:root {
  --bg: #f3f6f8;
  --surface: #ffffff;
  --panel: #ffffff;
  --panel-strong: #f7f9fc;
  --ink: #1f2630;
  --muted: #667386;
  --line: #dfe5ec;
  --line-strong: #bac6d4;
  --accent: #2f9b82;
  --accent-strong: #247f6a;
  --accent-soft: #e7f5f1;
  --accent-soft-strong: #d4eee7;
  --warn: #d58a00;
  --warn-soft: #fff2d7;
  --danger: #dd354b;
  --danger-soft: #ffe8ec;
  --button-secondary-bg: #f6f8fb;
  --button-secondary-ink: var(--ink);
  --button-secondary-border: var(--line);
  --remove-hover-bg: color-mix(in srgb, var(--danger) 12%, var(--button-secondary-bg) 88%);
  --remove-hover-border: color-mix(in srgb, var(--danger) 54%, var(--button-secondary-border) 46%);
  --status-ok-ink: #15705f;
  --status-warn-ink: #9a6100;
  --status-error-ink: #bd2639;
  --output-bg: #f7f9fb;
  --output-border: var(--line);
  --output-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.72);
  --output-row: #e3e9f0;
  --log-bg: #f9fbfd;
  --log-ink: #3e4856;
  --log-placeholder: #8a96a6;
  --log-match: #3e4856;
  --log-fresh-bg: rgba(78, 92, 109, 0.08);
  --log-fresh-ink: #1f2630;
  --log-warn: #9a6100;
  --log-warn-fresh: #7e5000;
  --log-warn-bg: rgba(213, 138, 0, 0.12);
  --log-error: #bd2639;
  --log-error-fresh: #9f1f31;
  --log-error-bg: rgba(221, 53, 75, 0.12);
  --pill-bg: #edf3f6;
  --pill-ink: #4e5c6d;
  --control-shadow: inset 0 1px 2px rgba(31, 41, 55, 0.03);
  --glass-bg: rgba(255, 255, 255, 0.76);
  --glass-line: rgba(203, 213, 225, 0.7);
  --shadow: 0 10px 28px rgba(31, 41, 55, 0.06);
  --shadow-soft: 0 4px 14px rgba(31, 41, 55, 0.04);
  --header-bg: rgba(255, 255, 255, 0.64);
  --header-line: rgba(203, 213, 225, 0.76);
  --radius-xl: 16px;
  --radius-lg: 12px;
  --radius-md: 10px;
  --radius-sm: 8px;
  --content-width: 1560px;
  --sidebar-width: 340px;
  --space-1: 8px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 14px;
  --space-5: 18px;
  --space-6: 22px;
  --page-gutter: clamp(10px, 1.6vw, 18px);
  --app-header-height: 56px;
  --header-safe-top: calc(var(--app-header-height) + var(--space-3));
  --sidebar-padding: 12px;
  --sidebar-gap: 8px;
  --sidebar-row-height: 40px;
  --sidebar-row-padding: 6px 8px;
  --sidebar-font-size: 0.9rem;
  --sidebar-heading-gap: 14px;
  --sidebar-heading-rule-gap: 8px;
  --sidebar-icon-size: 24px;
  --plc-icon-button-size: 34px;
  --plc-row-icon-button-size: 38px;
  --field-label-gap: 6px;
  --control-font-size: 0.9rem;
}

:root[data-theme="dark"] {
  --bg: #090d12;
  --surface: #151b23;
  --panel: #10161e;
  --panel-strong: #18202a;
  --ink: #eef3f8;
  --muted: #a1adba;
  --line: #26313e;
  --line-strong: #3d4b5c;
  --accent: #4fd0a4;
  --accent-strong: #66dfb4;
  --accent-soft: rgba(79, 208, 164, 0.14);
  --accent-soft-strong: rgba(79, 208, 164, 0.22);
  --warn: #ffb020;
  --warn-soft: rgba(255, 176, 32, 0.15);
  --danger: #ef5365;
  --danger-soft: rgba(239, 83, 101, 0.15);
  --button-secondary-bg: #161b22;
  --button-secondary-ink: var(--ink);
  --button-secondary-border: var(--line);
  --remove-hover-bg: color-mix(in srgb, var(--danger) 12%, var(--button-secondary-bg) 88%);
  --remove-hover-border: color-mix(in srgb, var(--danger) 54%, var(--button-secondary-border) 46%);
  --status-ok-ink: #82edaa;
  --status-warn-ink: #ffc95c;
  --status-error-ink: #ff9ba7;
  --output-bg: #111821;
  --output-border: var(--line);
  --output-row: #27313d;
  --log-bg: #070b10;
  --log-ink: #d6dee8;
  --log-placeholder: rgba(198, 208, 220, 0.72);
  --log-match: #d6dee8;
  --log-fresh-bg: rgba(214, 222, 232, 0.08);
  --log-fresh-ink: #f0f4f8;
  --log-warn: #ffc95c;
  --log-warn-fresh: #ffdb91;
  --log-warn-bg: rgba(255, 176, 32, 0.08);
  --log-error: #ff9ba7;
  --log-error-fresh: #ffc2ca;
  --log-error-bg: rgba(239, 83, 101, 0.08);
  --pill-bg: #1d2530;
  --pill-ink: #c1c9d4;
  --control-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.18);
  --glass-bg: rgba(16, 22, 30, 0.76);
  --glass-line: rgba(61, 75, 92, 0.74);
  --shadow: 0 10px 28px rgba(0, 0, 0, 0.2);
  --shadow-soft: 0 4px 14px rgba(0, 0, 0, 0.14);
  --header-bg: rgba(13, 19, 27, 0.72);
  --header-line: rgba(61, 75, 92, 0.78);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  color-scheme: light;
}

:root[data-theme="dark"] {
  color-scheme: dark;
}

body {
  margin: 0;
  min-height: 100dvh;
  padding: 0;
  font-family: "IBM Plex Sans", "Segoe UI", sans-serif;
  color: var(--ink);
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--surface) 74%, var(--bg) 26%) 0, var(--bg) 240px),
    var(--bg);
}

:root[data-theme="dark"] body {
  background:
    linear-gradient(180deg, #111821 0, var(--bg) 260px),
    var(--bg);
}

a {
  color: inherit;
}

button,
input,
select,
textarea {
  font: inherit;
}

[hidden] {
  display: none !important;
}

.site-shell {
  width: min(var(--content-width), 100%);
  margin: 0 auto;
  padding: 0 var(--page-gutter);
}

body.log-viewer-page {
  min-height: 100dvh;
}

body.plc-builder-page {
  min-height: 100dvh;
}

html.log-window-fullscreen,
body.log-window-fullscreen {
  overflow: hidden;
  margin: 0;
  padding: 0;
}

body.log-window-fullscreen .site-header {
  display: none;
}

body.log-window-fullscreen .log-control-panel {
  display: none;
}

body.log-window-fullscreen .site-shell-log-viewer {
  position: static;
  width: 100vw;
  max-width: none;
  min-height: 100dvh;
  height: 100dvh;
  margin: 0;
  padding: 0;
  border-radius: 0;
}

body.log-window-fullscreen .log-viewer-layout {
  display: block;
  height: 100dvh;
  margin: 0;
  padding: 0;
  border-radius: 0;
}

.site-shell-log-viewer {
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
}

.site-shell-log-viewer > .log-viewer-layout {
  flex: 0 0 auto;
}

@media (min-width: 901px) {
  body.modbus-page {
    min-height: 100dvh;
    overflow-y: auto;
  }

  .modbus-page .site-shell {
    min-height: 100dvh;
  }

  .modbus-page .site-header {
    flex: 0 0 auto;
  }

  .modbus-layout {
    position: sticky;
    top: 0;
    height: 100dvh;
    align-items: stretch;
  }

  .modbus-page .modbus-scroll-panel {
    min-height: 0;
    overflow: visible;
  }
}

.log-viewer-results {
  display: flex;
  flex: 1 1 auto;
  flex-direction: column;
  min-height: 0;
  overflow: hidden;
  position: relative;
}

.log-viewer-layout {
  display: grid;
  grid-template-columns: var(--sidebar-width) minmax(0, 1fr);
  gap: var(--space-3);
  flex: 1 1 auto;
  min-height: 0;
  margin-top: 0;
  padding-top: var(--header-safe-top);
  padding-bottom: var(--space-3);
}

.log-control-panel {
  align-self: start;
  min-width: 0;
  min-height: 0;
  max-height: 100%;
  overflow: auto;
}

.log-control-fields {
  display: grid;
  gap: var(--sidebar-gap);
}

.log-control-actions {
  display: grid;
  gap: var(--sidebar-gap);
  margin-top: var(--space-3);
}

.log-control-actions button {
  width: 100%;
  min-height: var(--sidebar-row-height);
  padding: var(--sidebar-row-padding);
  font-size: var(--sidebar-font-size);
}

.log-control-actions .status {
  margin-top: var(--space-3);
}

@media (min-width: 901px) {
  .site-shell-log-viewer {
    height: 100dvh;
  }

  .log-viewer-layout {
    height: 100dvh;
    align-items: stretch;
  }
}

.log-viewer-results.is-fullscreen {
  position: fixed !important;
  top: 0 !important;
  right: 0 !important;
  bottom: 0 !important;
  left: 0 !important;
  z-index: 50;
  width: 100vw;
  height: 100dvh;
  border-radius: 0 !important;
  margin: 0 !important;
  padding: 0;
  background: var(--log-bg);
  border: 0;
  box-shadow: none;
  transform: none;
}

.log-viewer-results.is-fullscreen .toolbar {
  display: none;
}

.log-frame {
  display: flex;
  flex-direction: column;
  flex: 1 1 0;
  min-height: 260px;
  position: relative;
}

.log-fullscreen-button {
  position: absolute;
  right: 12px;
  bottom: 12px;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  min-width: 48px;
  height: 34px;
  min-height: 34px;
  padding: 0;
  border-radius: 999px;
  color: #f7f7f5;
  background: rgba(0, 0, 0, 0.72);
  border: 0;
  opacity: 0.92;
}

.log-fullscreen-button svg {
  width: 20px;
  height: 20px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.log-fullscreen-button .fullscreen-close-icon {
  display: none;
}

.log-fullscreen-button:hover,
.log-fullscreen-button:focus-visible {
  background: rgba(0, 0, 0, 0.84);
  opacity: 1;
}

.log-viewer-results.is-fullscreen .log-fullscreen-button {
  display: inline-flex;
  right: 16px;
  bottom: 24px;
  z-index: 52;
}

.log-viewer-results.is-fullscreen .log-frame {
  flex: 1 1 auto;
  height: 100%;
  min-height: 0;
  margin: 0;
  padding: 0;
  border-radius: 0;
  background: var(--log-bg);
}

.log-viewer-results.is-fullscreen .fullscreen-open-icon {
  display: none;
}

.log-viewer-results.is-fullscreen .fullscreen-close-icon {
  display: block;
}

.log-viewer-page .toolbar {
  gap: var(--space-2);
}

.log-viewer-page .toolbar-block {
  flex: 1 1 180px;
}

.log-viewer-results .toolbar {
  align-items: center;
  flex-wrap: nowrap;
}

.log-viewer-results .toolbar-block {
  flex: 1 1 auto;
  min-width: 0;
}

.log-viewer-results .toolbar-actions {
  flex: 0 0 auto;
  align-items: center;
  flex-direction: row;
  flex-wrap: nowrap;
  justify-content: flex-end;
}

.log-viewer-results .toolbar-actions button {
  width: auto;
  white-space: nowrap;
}

.site-header,
.hero,
.profile-tabs-panel,
.panel,
.tool-card {
  border: 1px solid var(--glass-line);
  box-shadow: var(--shadow);
}

.hero {
  background: var(--glass-bg);
  backdrop-filter: blur(16px) saturate(140%);
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  width: 100%;
  min-height: var(--app-header-height);
  padding-block: 7px;
  padding-inline: max(var(--page-gutter), calc((100vw - var(--content-width)) / 2 + var(--page-gutter)));
  border: 0;
  border-bottom: 1px solid var(--header-line);
  border-radius: 0;
  background: var(--header-bg);
  box-shadow: 0 8px 26px rgba(0, 0, 0, 0.08);
  backdrop-filter: blur(22px) saturate(160%);
  -webkit-backdrop-filter: blur(22px) saturate(160%);
}

.brand {
  display: flex;
  align-items: center;
  flex: 0 0 auto;
  gap: 10px;
  min-width: 0;
  min-height: 40px;
  padding: 4px 10px 4px 6px;
  border-radius: var(--radius-md);
  color: var(--ink);
  text-decoration: none;
  transition: background-color 0.18s ease, color 0.18s ease;
}

.brand:hover {
  background: color-mix(in srgb, var(--panel-strong) 46%, transparent 54%);
}

.brand-icon {
  width: 30px;
  height: 30px;
  display: block;
  flex: 0 0 auto;
  border-radius: 9px;
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.16));
}

.brand-mark {
  overflow: hidden;
  font-family: "Space Grotesk", "IBM Plex Sans", sans-serif;
  font-size: 0.94rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.eyebrow,
.section-kicker,
.meta-copy {
  color: var(--muted);
}

.section-kicker,
.eyebrow {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}

.site-nav a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  min-height: 36px;
  padding: 0;
  border-radius: 0;
  border: 0;
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 700;
  background: transparent;
  box-shadow: none;
  transition: color 0.18s ease, opacity 0.18s ease;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  color: var(--ink);
  background: transparent;
  box-shadow: none;
}

.hero {
  margin-top: var(--header-safe-top);
  padding: 14px;
  border-radius: var(--radius-lg);
}

h1,
h2,
h3 {
  margin: 0 0 var(--space-2);
  font-family: "IBM Plex Sans", "Segoe UI", sans-serif;
  letter-spacing: 0;
}

h1 {
  font-size: clamp(1.76rem, 3.4vw, 2.95rem);
  line-height: 0.98;
}

h2 {
  font-size: clamp(0.98rem, 1.2vw, 1.12rem);
}

h3 {
  font-size: 0.98rem;
}

.lead,
.hero-copy,
.body-copy {
  line-height: 1.62;
  color: var(--muted);
}

.hero-copy {
  max-width: 760px;
  font-size: 0.94rem;
}

.home-hub {
  display: grid;
  width: min(100%, 1040px);
  gap: var(--space-5);
  margin: 0 auto;
  padding-top: var(--header-safe-top);
}

.home-intro {
  display: flex;
  flex-direction: column;
  padding: var(--space-2) 0 var(--space-3);
}

.home-intro h1 {
  max-width: 780px;
  margin-bottom: var(--space-1);
}

.home-copy {
  max-width: 680px;
  margin: 0;
  color: var(--muted);
  font-size: 0.98rem;
  line-height: 1.62;
}

.home-tool-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-3);
}

.home-tool-grid .tool-card {
  min-height: 158px;
  color: inherit;
  text-decoration: none;
}

.home-tool-grid .tool-card:hover {
  box-shadow: none;
}

.hero-actions,
.button-row,
.toolbar-actions,
.inline-toggle {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.button-row {
  align-items: center;
}

.controls-row {
  justify-content: space-between;
}

.controls-row-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: var(--space-2);
  margin-left: auto;
}

.button,
button {
  appearance: none;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  min-height: 36px;
  padding: 7px 11px;
  font-weight: 700;
  text-decoration: none;
  transition: background-color 0.18s ease, border-color 0.18s ease, color 0.18s ease, transform 0.18s ease, box-shadow 0.18s ease;
}

.button:hover,
button:hover {
  background-color: var(--accent-strong);
  transform: none;
}

.button-primary,
button,
button.primary {
  color: #fff;
  background: var(--accent);
  box-shadow: none;
}

.button-secondary,
button.secondary {
  color: var(--button-secondary-ink);
  background: var(--button-secondary-bg);
  border: 1px solid var(--button-secondary-border);
  box-shadow: none;
}

.button-secondary:hover,
button.secondary:hover {
  color: var(--ink);
  background: var(--surface);
  border-color: var(--line-strong);
  box-shadow: none;
}

.button-danger,
button.danger {
  color: #fff;
  background: var(--danger);
  box-shadow: none;
}

.section-grid,
.tool-grid,
.form-grid,
.stats-grid {
  display: grid;
  gap: var(--space-3);
}

.section-grid,
.tool-grid {
  margin-top: 0;
}

[data-app-shell] + .section-grid,
[data-app-shell] + .tool-grid {
  padding-top: var(--header-safe-top);
}

.profile-tabs-panel {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-top: var(--space-3);
  padding: 7px;
  border-radius: var(--radius-lg);
  background: var(--glass-bg);
  backdrop-filter: blur(16px) saturate(140%);
}

.modbus-layout {
  display: grid;
  grid-template-columns: var(--sidebar-width) minmax(0, 1fr);
  gap: var(--space-3);
  margin-top: 0;
  min-height: 0;
}

.modbus-profile-sidebar {
  align-self: start;
  display: grid;
  gap: var(--sidebar-gap);
  min-width: 0;
  max-height: 100%;
  overflow: auto;
}

.modbus-profile-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
}

.modbus-profile-header h2 {
  margin-bottom: 0;
}

.profile-add-btn {
  display: inline-grid;
  place-items: center;
  width: 32px;
  min-width: 32px;
  height: 32px;
  min-height: 32px;
  padding: 0;
  border-radius: var(--radius-sm);
  font-size: 1.08rem;
  line-height: 1;
}

.profile-tabs {
  display: flex;
  flex: 1 1 auto;
  gap: var(--sidebar-gap);
  min-width: 0;
  overflow-x: auto;
  padding-bottom: 2px;
}

.modbus-profile-sidebar .profile-tabs {
  flex: 0 1 auto;
  flex-direction: column;
  overflow-x: hidden;
  overflow-y: auto;
  padding-bottom: 0;
}

.profile-tab {
  display: inline-flex;
  align-items: center;
  flex: 0 0 auto;
  gap: 4px;
  min-width: 150px;
  max-width: 240px;
  padding: var(--sidebar-row-padding);
  border: 1px solid color-mix(in srgb, var(--line) 56%, transparent 44%);
  border-radius: var(--radius-md);
  background: var(--panel-strong);
  cursor: grab;
  position: relative;
  user-select: none;
  transition: border-color 0.18s ease, background-color 0.18s ease, box-shadow 0.18s ease;
}

.modbus-profile-sidebar .profile-tab {
  width: 100%;
  max-width: none;
  min-width: 0;
  min-height: var(--sidebar-row-height);
}

.modbus-profile-sidebar .profile-tab.drop-before::before,
.modbus-profile-sidebar .profile-tab.drop-after::after {
  right: 10px;
  left: 10px;
  width: auto;
  height: 2px;
  top: auto;
  bottom: auto;
}

.modbus-profile-sidebar .profile-tab.drop-before::before {
  top: -7px;
}

.modbus-profile-sidebar .profile-tab.drop-after::after {
  bottom: -7px;
}

.profile-tab:hover {
  border-color: var(--line-strong);
  background: var(--surface);
}

.profile-tab:active {
  cursor: grabbing;
}

.profile-tab[aria-selected="true"] {
  border-color: color-mix(in srgb, var(--accent) 54%, var(--line) 46%);
  background: var(--surface);
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--accent) 10%, transparent 90%);
}

.profile-tab.is-dragging {
  opacity: 0.55;
}

.profile-tab.drop-before::before,
.profile-tab.drop-after::after {
  content: "";
  position: absolute;
  top: 8px;
  bottom: 8px;
  width: 2px;
  border-radius: 999px;
  background: var(--accent);
}

.profile-tab.drop-before::before {
  left: -5px;
}

.profile-tab.drop-after::after {
  right: -5px;
}

.profile-tab-name {
  width: auto;
  min-width: 0;
  height: 24px;
  min-height: 24px;
  flex: 1 1 auto;
  border: 0;
  border-radius: var(--radius-sm);
  background: transparent;
  padding: 2px 4px;
  font-size: var(--sidebar-font-size);
  font-weight: 700;
}

.profile-tab-name:focus {
  outline: 0;
}

.profile-tab-name:not([readonly]):focus {
  background: var(--panel-strong);
}

.profile-tab-name[readonly] {
  cursor: pointer;
  color: var(--muted);
  pointer-events: none;
}

.profile-tab[aria-selected="true"] .profile-tab-name[readonly] {
  color: var(--ink);
}

.profile-tab-close {
  display: inline-grid;
  place-items: center;
  position: relative;
  aspect-ratio: 1;
  width: 22px;
  min-width: 22px;
  height: 22px;
  min-height: 22px;
  padding: 0;
  border-radius: 999px;
  border: 0;
  background: transparent;
  color: var(--muted);
  font-size: 0;
  line-height: 1;
  box-shadow: none;
  transition: background-color 0.16s ease, color 0.16s ease;
}

.profile-tab-close::before,
.profile-tab-close::after {
  content: "";
  position: absolute;
  width: 11px;
  height: 2px;
  border-radius: 999px;
  background: currentColor;
}

.profile-tab-close::before {
  transform: rotate(45deg);
}

.profile-tab-close::after {
  transform: rotate(-45deg);
}

.profile-tab-close:hover {
  transform: none;
  background: color-mix(in srgb, var(--ink) 10%, transparent 90%);
  color: var(--ink);
}

.profile-tab-close:disabled {
  visibility: hidden;
}

.section-grid + .panel,
.section-grid + .tool-card,
.section-grid + .section-grid {
  margin-top: var(--space-3);
}

.section-grid {
  align-items: start;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.section-grid > .panel {
  align-self: start;
}

@media (min-width: 901px) {
  .modbus-workspace {
    height: 100%;
    min-height: 0;
    margin-top: 0;
    overflow: visible;
  }

  .modbus-page .modbus-pane-scroll {
    height: 100%;
    min-height: 0;
    padding-top: var(--header-safe-top);
    padding-bottom: var(--space-3);
    overflow-x: hidden;
    overflow-y: auto;
    overscroll-behavior: contain;
  }

  .modbus-page .modbus-profile-sidebar {
    margin-top: var(--header-safe-top);
    margin-bottom: var(--space-3);
    max-height: calc(100% - var(--header-safe-top) - var(--space-3));
  }

  .modbus-page .modbus-scroll-area {
    min-height: 0;
    overflow: visible;
  }
}

.tool-grid {
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.site-shell > .section-grid:first-of-type .tool-card {
  min-height: 0;
}

.panel,
.tool-card {
  background: color-mix(in srgb, var(--glass-bg) 88%, transparent 12%);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(16px) saturate(140%);
  -webkit-backdrop-filter: blur(16px) saturate(140%);
}

.panel,
.tool-card {
  border-color: color-mix(in srgb, var(--glass-line) 78%, transparent 22%);
}

.panel {
  padding: var(--space-5);
}

.log-control-panel,
.modbus-profile-sidebar,
.plc-palette-panel {
  padding: var(--sidebar-padding);
}

.tool-card {
  padding: var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  transition: border-color 0.18s ease, box-shadow 0.18s ease, transform 0.18s ease;
}

.tool-card:hover {
  border-color: var(--line-strong);
  box-shadow: var(--shadow);
  transform: none;
}

.tool-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.55;
}

.tool-card-main {
  display: block;
}

.tool-card-main h2 {
  margin-bottom: var(--space-1);
}

.tool-card-footer {
  margin-top: auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-2);
}

.tool-card-open {
  color: var(--accent-strong);
  font-size: 0.9rem;
  font-weight: 700;
}

.pill-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1);
}

.pill {
  display: inline-flex;
  align-items: center;
  padding: 4px 8px;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 700;
  background: var(--pill-bg);
  color: var(--pill-ink);
  border: 1px solid color-mix(in srgb, var(--line) 70%, transparent 30%);
}

.form-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.form-grid.three-up {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.form-grid .full {
  grid-column: 1 / -1;
}

.form-grid + .button-row,
.form-grid + .compact-stack,
.form-grid + .output {
  margin-top: var(--space-4);
}

.section-grid > .full-span {
  grid-column: 1 / -1;
}

label {
  display: block;
  margin-bottom: var(--field-label-gap);
  font-size: 0.78rem;
  font-weight: 600;
  color: color-mix(in srgb, var(--ink) 86%, var(--muted) 14%);
}

.modbus-profile-sidebar .profile-tab,
.modbus-profile-sidebar .profile-tab-name,
.plc-palette-block {
  font-size: var(--sidebar-font-size);
}

.log-control-actions button {
  font-size: var(--sidebar-font-size);
}

.log-control-fields > div,
.form-grid > div:not(.full),
.plc-block-form > div,
.plc-event-action-row > div,
.plc-condition-action-row > div,
.plc-time-control {
  display: grid;
  gap: var(--field-label-gap);
  min-width: 0;
}

.log-control-fields > div > label,
.form-grid > div:not(.full) > label,
.plc-block-form > div > label,
.plc-event-action-row > div > label,
.plc-condition-action-row > div > label,
.plc-time-control > label {
  margin-bottom: 0;
}

.field-note {
  display: block;
  margin-top: 6px;
  color: var(--muted);
  font-size: 0.81rem;
  line-height: 1.4;
}

.field-note[hidden] {
  display: none;
}

input,
select,
textarea {
  display: block;
  width: 100%;
  border-radius: var(--radius-sm);
  border: 1px solid color-mix(in srgb, var(--line) 82%, transparent 18%);
  background: var(--panel-strong);
  color: var(--ink);
  min-height: 38px;
  padding: 7px 9px;
  font-size: var(--control-font-size);
  line-height: 1.35;
  box-shadow: none;
  transition: background-color 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease;
  -webkit-text-size-adjust: 100%;
}

.log-control-panel input,
.log-control-panel select {
  min-height: var(--sidebar-row-height);
  padding: var(--sidebar-row-padding);
}

select {
  appearance: auto;
  -webkit-appearance: menulist;
  background-color: var(--panel-strong);
  background-image: none;
  height: 38px;
  padding-right: 9px;
  text-overflow: ellipsis;
}

input:focus,
select:focus,
textarea:focus {
  outline: 0;
  border-color: var(--accent);
  background: var(--surface);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 14%, transparent 86%);
}

select:focus {
  background-color: var(--surface);
  background-image: none;
}

input:disabled,
select:disabled,
textarea:disabled,
button:disabled {
  opacity: 0.7;
  cursor: not-allowed;
}

button:disabled:hover {
  transform: none;
  box-shadow: none;
}

textarea {
  min-height: 120px;
  resize: vertical;
  line-height: 1.5;
}

.toolbar {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--space-2);
}

.toolbar-block {
  display: flex;
  align-items: center;
  flex: 1 1 auto;
  min-width: 0;
  min-height: 36px;
}

.status {
  display: inline-flex;
  align-items: center;
  padding: 5px 8px;
  border-radius: var(--radius-md);
  font-size: 0.74rem;
  font-weight: 700;
  line-height: 1.2;
  width: fit-content;
  max-width: 100%;
  border: 1px solid transparent;
}

.status.ok {
  background: var(--accent-soft);
  color: var(--status-ok-ink);
  border-color: color-mix(in srgb, var(--accent) 24%, transparent 76%);
}

.status.warn {
  background: var(--warn-soft);
  color: var(--status-warn-ink);
  border-color: color-mix(in srgb, var(--warn) 24%, transparent 76%);
}

.status.error {
  background: var(--danger-soft);
  color: var(--status-error-ink);
  border-color: color-mix(in srgb, var(--danger) 24%, transparent 76%);
}

.output {
  margin-top: var(--space-3);
  padding: var(--space-4);
  border-radius: var(--radius-lg);
  background: color-mix(in srgb, var(--output-bg) 82%, transparent 18%);
  border: 1px solid color-mix(in srgb, var(--output-border) 84%, transparent 16%);
  box-shadow: none;
}

.mono,
.hex-box,
.log-surface,
code,
pre {
  font-family: "IBM Plex Mono", "SFMono-Regular", monospace;
}

pre {
  margin: 0;
}

.hex-box {
  margin: var(--space-2) 0 0;
  font-size: 0.9rem;
  line-height: 1.65;
  word-break: break-word;
}

.meta-table,
.value-table {
  width: 100%;
  margin-top: var(--space-2);
  border-collapse: separate;
  border-spacing: 0;
  table-layout: fixed;
  overflow: hidden;
  border-radius: var(--radius-md);
}

.meta-table + .status {
  margin-top: var(--space-3);
}

.meta-table td,
.value-table th,
.value-table td {
  padding: 8px;
  border-bottom: 1px solid var(--output-row);
  text-align: left;
  vertical-align: top;
}

.value-table thead th {
  background: color-mix(in srgb, var(--panel-strong) 82%, var(--surface) 18%);
}

.value-table tbody tr:nth-child(even) td {
  background: color-mix(in srgb, var(--panel-strong) 52%, transparent 48%);
}

.meta-table td:first-child {
  width: 120px;
  color: var(--muted);
  font-weight: 700;
}

.meta-table tr:last-child td {
  border-bottom: 0;
}

.value-table tbody tr:last-child td {
  border-bottom: 0;
}

.value-table th {
  font-size: 0.86rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--muted);
}

.value-table th:nth-child(1),
.value-table td:nth-child(1) {
  width: 68px;
}

.value-table th:nth-child(2),
.value-table td:nth-child(2) {
  width: 78px;
}

.value-table th:nth-child(3),
.value-table td:nth-child(3) {
  width: 128px;
}

.value-table td:last-child {
  width: auto;
  min-width: 0;
}

.value-table[data-show-bits="false"] th:nth-child(4),
.value-table[data-show-bits="false"] td:nth-child(4) {
  display: none;
}

.hex-box {
  padding: 10px 12px;
  border-radius: var(--radius-md);
  background: var(--panel);
  border: 1px solid color-mix(in srgb, var(--line) 74%, transparent 26%);
  box-shadow: none;
}

:root[data-theme="dark"] .hex-box {
  background: var(--panel);
}

.log-surface {
  min-height: 260px;
  height: clamp(260px, 38vh, 460px);
  max-height: 38vh;
  overflow: auto;
  margin-top: var(--space-3);
  padding: var(--space-4);
  font-size: 0.9rem;
  border-radius: var(--radius-lg);
  border: 1px solid color-mix(in srgb, var(--line) 82%, transparent 18%);
  background: var(--log-bg);
  color: var(--log-ink);
  line-height: 1.55;
  box-shadow: none;
}

.log-frame .log-surface {
  margin-top: var(--space-3);
  width: 100%;
}

.log-viewer-results .log-surface {
  flex: 1 1 0;
  height: 0;
  max-height: none;
  min-height: 0;
  min-width: 0;
  overflow: auto;
}

.log-viewer-page .log-surface {
  margin-top: var(--space-2);
  padding: 8px 10px;
  font-size: 0.78rem;
  line-height: 1.35;
}

.log-viewer-results.is-fullscreen .log-surface {
  width: 100%;
  height: 100%;
  flex: 1 1 auto;
  min-height: 0;
  max-height: none;
  border-radius: 0 !important;
  border: 0 !important;
  outline: 0;
  margin-top: 0;
  box-shadow: none;
  padding: 8px 8px 25px;
  line-height: 1.2;
}

.log-viewer-results.is-fullscreen .stats-grid {
  display: none;
}

.log-surface .placeholder {
  color: var(--log-placeholder);
}

.log-surface .error-line {
  color: var(--log-error);
  background: var(--log-error-bg);
  font-weight: 700;
}

.log-surface .warning-line {
  color: var(--log-warn);
  background: var(--log-warn-bg);
  font-weight: 700;
}

.log-surface .match-line {
  color: var(--log-match);
}

.log-surface .fresh-line {
  background: var(--log-fresh-bg);
  color: var(--log-fresh-ink);
  animation: fresh-log-line-fade 2.4s ease-out forwards;
}

.log-surface .error-line.fresh-line {
  color: var(--log-error-fresh);
  background: var(--log-error-bg);
}

.log-surface .warning-line.fresh-line {
  color: var(--log-warn-fresh);
  background: var(--log-warn-bg);
}

@keyframes fresh-log-line-fade {
  0% {
    filter: saturate(1.05) brightness(1.04);
  }

  100% {
    filter: none;
  }
}

.stats-grid {
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  margin-top: var(--space-2);
}

.log-viewer-page .stats-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.stat-card {
  padding: 8px 9px;
  border-radius: var(--radius-md);
  background: var(--panel);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-soft);
}

.stat-label {
  display: block;
  font-size: 0.6rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.stat-value {
  display: block;
  margin-top: 4px;
  font-family: "Space Grotesk", "Avenir Next", sans-serif;
  font-size: 0.84rem;
}

.stat-delta {
  margin-left: 5px;
  font-size: 0.72rem;
  color: var(--muted);
  opacity: 0.9;
}

.helper-list {
  display: grid;
  gap: var(--space-2);
  margin-top: var(--space-3);
}

.helper-item {
  padding: var(--space-3);
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
  background: var(--panel);
}

.helper-item p,
.helper-item h3 {
  margin: 0;
}

.helper-item p + p,
.helper-item h3 + p {
  margin-top: 6px;
}

.site-footer {
  margin-top: var(--space-5);
  padding: 0 4px;
  color: var(--muted);
  font-size: 0.92rem;
}

.header-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  flex: 1 1 auto;
  gap: 18px;
  min-width: 0;
}

.nav-toggle {
  display: none;
}

.theme-toggle {
  width: 36px;
  height: 36px;
  min-width: 36px;
  padding: 0;
  border-radius: 999px;
  display: grid;
  place-items: center;
  position: relative;
  overflow: hidden;
  line-height: 0;
  background: color-mix(in srgb, var(--surface) 18%, transparent 82%);
  border-color: transparent;
  box-shadow:
    inset 0 1px 0 color-mix(in srgb, #fff 13%, transparent 87%),
    0 10px 30px rgba(0, 0, 0, 0.08);
  backdrop-filter: blur(28px) saturate(180%);
  -webkit-backdrop-filter: blur(28px) saturate(180%);
}

.theme-toggle svg {
  width: 18px;
  height: 18px;
  stroke: color-mix(in srgb, currentColor 84%, var(--muted) 16%);
  fill: none;
  stroke-width: 1.9;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.theme-toggle .icon-sun,
.theme-toggle .icon-moon {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.theme-toggle .icon-sun {
  opacity: 0;
  transform: translateY(8px) scale(0.7);
}

.theme-toggle .icon-moon {
  opacity: 1;
  transform: translateY(0) scale(1);
}

:root[data-theme="dark"] .theme-toggle .icon-sun {
  opacity: 1;
  transform: translateY(0) scale(1);
}

:root[data-theme="dark"] .theme-toggle .icon-moon {
  opacity: 0;
  transform: translateY(-8px) scale(0.7);
}

.compact-stack {
  display: grid;
  gap: var(--space-3);
}

.section-heading {
  display: grid;
  gap: 4px;
  margin-bottom: var(--sidebar-gap);
}

.section-heading h2,
.toolbar-block h2 {
  margin-bottom: 0;
}

.log-control-panel .section-heading,
.modbus-profile-header,
.plc-palette-panel .section-heading {
  margin-bottom: var(--sidebar-heading-gap);
  padding-bottom: var(--sidebar-heading-rule-gap);
  border-bottom: 1px solid color-mix(in srgb, var(--line) 62%, transparent 38%);
}

.output-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.request-copy-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.request-copy-actions .inline-checkbox {
  min-height: 36px;
  padding: 0 2px;
  color: var(--muted);
  white-space: nowrap;
}

.request-copy-actions button {
  padding-inline: 14px;
  white-space: nowrap;
}

.inline-checkbox {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0;
}

.inline-checkbox input {
  width: 18px;
  min-width: 18px;
  height: 18px;
  min-height: 18px;
  margin: 0;
  padding: 0;
  accent-color: var(--accent);
}

.write-composer {
  display: grid;
  gap: 0;
  margin-top: 0;
  padding: 0;
  border: 1px solid color-mix(in srgb, var(--line) 82%, transparent 18%);
  border-radius: var(--radius-md);
  background: transparent;
  overflow: hidden;
}

.write-composer[hidden] {
  display: none;
}

.write-composer.full {
  grid-column: 1 / -1;
}

.write-composer-summary {
  position: relative;
  display: flex;
  align-items: center;
  gap: var(--space-2);
  min-height: 42px;
  padding: 8px 14px;
  color: var(--text);
  cursor: pointer;
  font-size: 1rem;
  font-weight: 800;
  list-style: none;
}

.write-composer-summary::-webkit-details-marker {
  display: none;
}

.write-composer-summary::after {
  content: none;
}

.write-composer-chevron {
  display: block;
  flex: 0 0 auto;
  margin-left: var(--space-2);
  box-sizing: border-box;
  width: 10px;
  height: 10px;
  border-right: 2px solid var(--button-secondary-ink);
  border-bottom: 2px solid var(--button-secondary-ink);
  transform: rotate(45deg);
  transform-origin: center;
  transition: transform 160ms ease;
}

.write-composer[open] .write-composer-summary {
  border-bottom: 1px solid color-mix(in srgb, var(--line) 72%, transparent 28%);
}

.write-composer[open] .write-composer-chevron {
  transform: rotate(225deg);
}

.write-composer-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--space-2);
  flex: 1 1 auto;
  min-width: 0;
}

.write-composer-summary > span:first-child {
  min-width: 0;
}

.write-signed-toggle {
  min-height: 34px;
  padding: 0 2px;
  color: var(--muted);
}

.write-composer-actions button {
  min-height: 32px;
  padding: 6px 10px;
  font-size: 0.86rem;
  white-space: nowrap;
}

.write-composer:not([open]) .write-composer-actions button {
  display: none;
}

.write-composer-column-head {
  display: grid;
  grid-template-columns: 24px minmax(62px, 0.64fr) minmax(84px, 0.76fr) minmax(132px, 1.45fr) 46px 34px;
  gap: 6px;
  padding: 6px 10px 5px;
  color: var(--muted);
  background: color-mix(in srgb, var(--panel-strong) 44%, transparent 56%);
  border-bottom: 1px solid color-mix(in srgb, var(--line) 72%, transparent 28%);
  font-size: 0.68rem;
  font-weight: 800;
  line-height: 1;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.write-composer.single-write .write-composer-column-head,
.write-composer.single-write .write-composer-row {
  grid-template-columns: 24px minmax(62px, 0.64fr) minmax(84px, 0.76fr) minmax(132px, 1.45fr) 46px;
}

.write-composer-rows {
  display: grid;
  gap: 0;
}

.write-composer-row {
  display: grid;
  grid-template-columns: 24px minmax(62px, 0.64fr) minmax(84px, 0.76fr) minmax(132px, 1.45fr) 46px 34px;
  gap: 6px;
  align-items: start;
  padding: 7px 10px;
  border-bottom: 1px solid color-mix(in srgb, var(--line) 72%, transparent 28%);
  background: color-mix(in srgb, var(--panel-strong) 52%, transparent 48%);
}

.write-composer-row:last-child {
  border-bottom: 0;
}

.write-composer-index {
  display: grid;
  place-items: center;
  min-height: 34px;
  padding: 0;
  color: color-mix(in srgb, var(--muted) 82%, transparent 18%);
  background: transparent;
  border: 0;
  border-radius: var(--radius-sm);
  font: inherit;
  font-size: 0.68rem;
  font-weight: 800;
  line-height: 1;
  user-select: none;
}

button.write-composer-index {
  cursor: grab;
  transition:
    color 160ms ease,
    background 160ms ease;
}

button.write-composer-index:hover,
button.write-composer-index:focus-visible {
  color: var(--accent);
  background: color-mix(in srgb, var(--accent) 10%, transparent 90%);
  outline: none;
}

button.write-composer-index:active {
  cursor: grabbing;
}

.write-composer-rows.is-dragging .write-composer-row {
  transition: transform 120ms ease, opacity 120ms ease;
}

.write-composer-row.dragging {
  opacity: 0.48;
  background: color-mix(in srgb, var(--accent) 10%, var(--panel-strong) 90%);
}

.write-composer-row label {
  display: grid;
  gap: 5px;
  min-width: 0;
}

.write-composer-row label span {
  display: none;
  color: var(--muted);
  font-size: 0.68rem;
  font-weight: 800;
  line-height: 1;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.write-composer-row input {
  width: 100%;
  min-width: 0;
  min-height: 34px;
  padding: 6px 7px;
  font-size: 0.78rem;
}

.write-composer-row input.mono {
  font-size: 0.76rem;
}

.write-composer-remove {
  position: relative;
  display: inline-grid;
  grid-column: 6;
  grid-row: 1;
  place-items: center;
  width: 34px;
  min-width: 34px;
  height: 34px;
  min-height: 34px;
  padding: 0;
  align-self: start;
  color: var(--danger);
  background: var(--button-secondary-bg);
  border: 1px solid var(--button-secondary-border);
  border-radius: var(--radius-sm);
  font-size: 0;
}

.write-composer-remove::before,
.write-composer-remove::after {
  content: "";
  position: absolute;
  width: 12px;
  height: 2px;
  border-radius: 999px;
  background: currentColor;
}

.write-composer-remove::before {
  transform: rotate(45deg);
}

.write-composer-remove::after {
  transform: rotate(-45deg);
}

.write-composer-remove:hover,
.write-composer-remove:focus-visible {
  color: var(--danger);
  background: var(--remove-hover-bg);
  border-color: var(--remove-hover-border);
}

.write-composer-remove:disabled {
  color: var(--muted);
  opacity: 0.45;
}

.write-composer-remove:disabled:hover {
  color: var(--muted);
  background: var(--button-secondary-bg);
  border-color: var(--button-secondary-border);
}

.write-byte-settings {
  grid-column: 5;
  grid-row: 1;
  align-self: start;
  justify-self: stretch;
  min-width: 0;
  margin-top: 0;
}

.write-byte-settings summary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  width: 100%;
  min-height: 34px;
  padding: 5px 5px;
  border: 1px solid var(--button-secondary-border);
  border-radius: var(--radius-sm);
  color: var(--muted);
  background: var(--button-secondary-bg);
  cursor: pointer;
  font-size: 0.66rem;
  font-weight: 800;
  line-height: 1;
  list-style: none;
}

.write-byte-settings summary::marker {
  content: "";
}

.write-byte-settings summary::-webkit-details-marker {
  display: none;
}

.write-byte-settings summary::after {
  content: "";
  width: 5px;
  height: 5px;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: translateY(-1px) rotate(45deg);
  transition: transform 160ms ease;
}

.write-byte-settings[open] summary {
  width: 100%;
  min-width: 0;
  margin-bottom: 0;
  border-color: color-mix(in srgb, var(--accent) 64%, var(--line) 36%);
  color: var(--accent-strong);
  background: color-mix(in srgb, var(--accent-soft) 76%, transparent 24%);
}

.write-byte-settings[open] {
  grid-column: 5;
  grid-row: 1;
  margin-top: 0;
}

.write-byte-settings[open] summary::after {
  transform: translateY(2px) rotate(225deg);
}

.write-byte-panel {
  display: none;
  grid-column: 2 / -1;
  grid-row: 2;
  min-width: 0;
  margin-top: 0;
}

.write-byte-settings[open] + .write-byte-panel {
  display: block;
}

.write-byte-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin: 8px 0 10px;
}

.write-byte-actions button {
  min-height: 32px;
  padding: 6px 10px;
  font-size: 0.78rem;
}

.write-bit-grid {
  display: grid;
  grid-template-columns: repeat(8, 44px);
  justify-content: start;
  gap: 7px;
}

.write-bit-button {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0;
  width: 44px;
  height: 44px;
  min-height: 44px;
  padding: 4px;
  color: var(--text);
  background: var(--button-secondary-bg);
  border: 1px solid var(--button-secondary-border);
  border-radius: 999px;
  line-height: 1;
}

.write-bit-button span {
  color: var(--muted);
  font-size: 0.67rem;
  font-weight: 800;
}

.write-bit-button strong {
  font-size: 1.05rem;
  line-height: 1;
}

.write-bit-button.active {
  border-color: var(--accent);
  background: color-mix(in srgb, var(--accent-soft) 84%, transparent 16%);
}

.modbus-page #writeValues {
  min-height: 64px;
}

.modbus-page #writeValueSingle {
  height: 38px;
  min-height: 38px;
}

.modbus-page #writeValuesField {
  display: contents;
}

.modbus-page #writeValuesField[hidden] {
  display: none;
}

.write-raw-value-field {
  display: grid;
  gap: 0;
}

.write-raw-value-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-2);
  margin-bottom: 4px;
  min-height: 17px;
}

.write-raw-value-header label {
  margin: 0;
}

.write-raw-value-header .write-signed-toggle {
  flex: 0 0 auto;
  min-height: 0;
  padding: 0;
  font-size: 0.78rem;
  line-height: 1.2;
}

.write-raw-value-header .write-signed-toggle input {
  width: 16px;
  height: 16px;
}

.write-raw-value-field.full {
  grid-column: 1 / -1;
}

.write-raw-value-field .field-note {
  margin-top: 6px;
}

.bit-array {
  display: grid;
  gap: 6px;
  max-width: 100%;
  min-width: 0;
  overflow-x: auto;
  padding-bottom: 2px;
}

.bit-array-empty {
  color: var(--muted);
}

.bit-array-row {
  display: grid;
  grid-template-columns: repeat(8, minmax(22px, 1fr));
  gap: 4px;
  min-width: min(100%, 208px);
}

.bit-chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 3px;
  padding: 3px 4px;
  width: 100%;
  min-width: 0;
  min-height: 24px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--panel);
  line-height: 1;
}

.bit-chip.active {
  border-color: var(--accent);
  background: color-mix(in srgb, var(--accent-soft) 88%, transparent 12%);
  box-shadow: none;
}

.bit-chip-index {
  color: var(--muted);
  font-size: 0.7rem;
  white-space: nowrap;
}

.bit-chip-value {
  min-width: 1ch;
  font-weight: 700;
  white-space: nowrap;
}

.plc-builder-layout {
  display: grid;
  grid-template-columns: var(--sidebar-width) minmax(0, 1fr);
  gap: var(--space-3);
  margin-top: 0;
  align-items: start;
}

.plc-builder-workspace {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  min-width: 0;
}

.plc-palette-panel,
.plc-workspace-panel,
.plc-code-panel {
  min-width: 0;
}

.plc-pane-scroll {
  min-width: 0;
}

.plc-block-palette {
  display: grid;
  gap: var(--sidebar-gap);
}

.cnc-device-panel {
  display: grid;
  gap: var(--sidebar-gap);
  min-height: 0;
  margin-top: var(--space-5);
  padding-top: var(--space-5);
  border-top: 1px solid var(--line);
}

.cnc-server-field {
  display: grid;
  gap: var(--field-label-gap);
  min-width: 0;
}

.cnc-device-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
}

.cnc-device-heading h3 {
  margin: 0;
  font-size: 0.95rem;
}

.cnc-server-field > label,
.cnc-device-browser > label {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 600;
}

.cnc-device-panel select,
.cnc-device-panel input,
.cnc-device-panel button {
  width: 100%;
  min-height: var(--sidebar-row-height);
}

.cnc-device-panel #deviceServer,
.cnc-device-panel #deviceServer:focus {
  color: var(--ink);
  background-color: var(--panel-strong);
  background-image: none;
  padding-right: 9px;
}

.cnc-server-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: var(--sidebar-gap);
}

.cnc-server-row #refreshDevicesBtn {
  display: inline-grid;
  place-items: center;
  width: var(--sidebar-row-height);
  min-width: var(--sidebar-row-height);
  padding: 0;
}

.cnc-server-row #refreshDevicesBtn svg {
  width: 19px;
  height: 19px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.cnc-device-browser {
  display: grid;
  gap: var(--field-label-gap);
  min-height: 0;
}

.cnc-device-list {
  max-height: 220px;
  overflow-y: auto;
  overscroll-behavior: contain;
  scrollbar-gutter: stable;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--panel-strong);
}

.cnc-device-row {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  box-sizing: border-box;
  height: 40px;
  min-height: 40px;
  margin: 0;
  padding: 6px 10px;
  border-bottom: 1px solid var(--line);
  cursor: pointer;
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.78rem;
}

.cnc-device-row:last-child {
  border-bottom-color: transparent;
}

.cnc-device-row:hover {
  background: var(--accent-soft);
}

.cnc-device-row input {
  width: auto;
  min-height: auto;
  margin: 0;
}

.cnc-device-empty {
  padding: var(--space-3);
  color: var(--muted);
  font-size: 0.8rem;
}

.cnc-device-actions {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--sidebar-gap);
}

.cnc-device-panel > .status {
  display: block;
  width: 100%;
  white-space: normal;
  line-height: 1.4;
}

/* G10 Modbus Tool */
.g10-layout { display: grid; grid-template-columns: 310px minmax(0, 1fr); gap: var(--space-3); padding-top: var(--header-safe-top); padding-bottom: var(--space-5); }
.g10-sidebar { position: sticky; top: var(--header-safe-top); align-self: start; display: grid; gap: var(--sidebar-gap); max-height: calc(100dvh - var(--header-safe-top) - var(--space-3)); overflow: auto; }
.g10-sidebar .section-heading { margin-bottom: var(--space-2); }
.g10-sidebar-heading { display: flex; align-items: center; justify-content: space-between; gap: var(--space-2); }
.g10-inline { display: grid; grid-template-columns: minmax(0, 1fr) 42px; gap: var(--sidebar-gap); }
.g10-refresh-button { display: inline-grid; place-items: center; width: 42px; min-width: 42px; padding: 0; }
.g10-refresh-button svg { width: 19px; height: 19px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.g10-device-list { max-height: 300px; }
.g10-workspace { display: grid; min-width: 0; gap: var(--space-3); }
.g10-workspace > .panel { min-width: 0; padding: 14px; }
.g10-section-heading { display: flex; align-items: flex-start; justify-content: space-between; gap: var(--space-3); margin-bottom: var(--space-4); }
.g10-heading-actions { display: flex; align-items: center; justify-content: flex-end; flex-wrap: wrap; gap: var(--space-2); }
.g10-heading-actions select { width: auto; min-width: 84px; }
.g10-collapsible-panel > summary { display: flex; align-items: center; min-height: 24px; gap: var(--space-2); list-style: none; cursor: pointer; }
.g10-collapsible-panel > summary::-webkit-details-marker { display: none; }
.g10-collapsible-panel > summary::before { display: inline-grid; place-items: center; flex: 0 0 14px; width: 14px; content: "▸"; color: var(--ink); font-family: "IBM Plex Sans", "Segoe UI", sans-serif; font-size: .9rem; line-height: 1; }
.g10-collapsible-panel[open] > summary::before { content: "▾"; }
.g10-collapsible-panel > summary strong { margin: 0; color: var(--ink); font-family: "IBM Plex Sans", "Segoe UI", sans-serif; font-size: clamp(0.98rem, 1.2vw, 1.12rem); font-weight: 700; line-height: 1.25; }
.g10-collapsible-panel:not([open]) { display: flex; align-items: center; min-height: 52px; }
.g10-collapsible-panel:not([open]) > summary { width: 100%; }
.g10-collapsible-content { margin-top: var(--space-4); }
.g10-register-summary-actions { margin-left: auto; cursor: default; }
.g10-registers-panel:not([open]) .g10-register-summary-actions { display: none; }
.g10-delete-preset { color: var(--danger); }
.g10-delete-preset:hover:not(:disabled) { border-color: color-mix(in srgb, var(--danger) 42%, var(--line)); color: var(--danger); background: var(--danger-soft); }
.g10-config-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.g10-raw-command { display: grid; grid-template-columns: 170px 230px minmax(0, 1fr) auto; align-items: end; gap: var(--space-2); }
.g10-raw-command button { min-width: 76px; }
.g10-page .form-field > label { min-height: 18px; }
.g10-page input[type="checkbox"], .g10-page input[type="radio"] { accent-color: var(--accent); }
.plc-builder-page input[type="checkbox"], .plc-builder-page input[type="radio"] { accent-color: var(--accent); }
.hint { position: relative; display: inline-grid; place-items: center; width: 16px; min-width: 16px; height: 16px; min-height: 16px; margin: 0; padding: 0; border: 1px solid var(--line-strong); border-radius: 50%; color: var(--muted); background: transparent; box-shadow: none; font-size: .66rem; line-height: 1; cursor: help; vertical-align: 1px; }
.hint:hover, .hint:focus-visible { border-color: var(--accent); color: var(--ink); background: var(--accent-soft); outline: none; }
.hint::after { position: absolute; left: 50%; top: calc(100% + 8px); z-index: 30; width: max-content; max-width: 260px; padding: 7px 9px; border: 1px solid var(--line); border-radius: 7px; color: var(--ink); background: var(--panel-strong); box-shadow: var(--shadow); content: attr(data-hint); font-size: .72rem; font-weight: 500; line-height: 1.35; text-align: left; white-space: normal; opacity: 0; visibility: hidden; pointer-events: none; transform: translate(-50%, -4px); transition: opacity .14s ease, transform .14s ease, visibility .14s ease; }
.hint:hover::after, .hint:focus::after, .hint:focus-visible::after { opacity: 1; visibility: visible; transform: translate(-50%, 0); }
.input-with-unit { display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: center; gap: var(--space-2); }
.input-with-unit span { color: var(--muted); font-size: .8rem; }
.g10-table-wrap { max-width: 100%; overflow-x: auto; border: 0; border-radius: 0; }
.g10-table-wrap + .status { margin-top: var(--space-3); }
.g10-register-table { width: 100%; min-width: 0; table-layout: fixed; border: 0; border-radius: 0; background: transparent; }
.g10-register-table th:nth-child(1), .g10-register-table td:nth-child(1) { width: 5.5%; text-align: center; }
.g10-register-table th:nth-child(2), .g10-register-table td:nth-child(2) { width: 13.5%; }
.g10-register-table th:nth-child(3), .g10-register-table td:nth-child(3) { width: 16%; }
.g10-register-table th:nth-child(4), .g10-register-table td:nth-child(4) { width: 7%; }
.g10-register-table th:nth-child(5), .g10-register-table td:nth-child(5) { width: 7%; }
.g10-register-table th:nth-child(6), .g10-register-table td:nth-child(6) { width: 17%; }
.g10-register-table th:nth-child(7), .g10-register-table td:nth-child(7) { width: 9%; }
.g10-register-table th:nth-child(8), .g10-register-table td:nth-child(8) { width: 10%; }
.g10-register-table th:nth-child(9), .g10-register-table td:nth-child(9) { width: 15%; padding-left: 4px; padding-right: 4px; text-align: left; }
.g10-register-table th { height: 44px; padding: 7px 9px; border: 0; border-bottom: 1px solid var(--line); background: transparent; font-size: .72rem; vertical-align: middle; }
.g10-register-table td { padding: 9px; border: 0; border-bottom: 1px solid color-mix(in srgb, var(--line) 65%, transparent); vertical-align: top; }
.g10-register-table td:first-child { padding-top: 9px; vertical-align: top; }
.g10-poll-cell { display: flex; align-items: center; justify-content: center; width: 100%; height: 36px; margin: 0; }
.g10-poll-all-label { display: inline-flex; align-items: center; justify-content: center; gap: 7px; max-width: 100%; height: 24px; min-height: 24px; margin: 0; color: inherit; font-size: inherit; line-height: 1; vertical-align: middle; white-space: nowrap; cursor: pointer; }
.g10-poll-all-label input { display: block; flex: 0 0 18px; width: 18px !important; min-width: 18px; height: 18px !important; min-height: 18px !important; margin: 0; padding: 0; }
.g10-register-table .g10-poll { display: block; flex: 0 0 18px; width: 18px !important; min-width: 18px; height: 18px; min-height: 0 !important; margin: 0; padding: 0; transform: none; }
.g10-register-table tbody tr:last-child td { border-bottom: 0; }
.g10-register-table input, .g10-register-table select, .g10-register-table button { height: 36px; min-height: 36px; }
.g10-register-table input[type="checkbox"] { width: auto; }
.g10-register-table input, .g10-register-table select { width: 100%; min-width: 0; }
.g10-register-table tr.has-error { background: var(--danger-soft); }
.g10-flags-menu { margin-top: 4px; color: var(--muted); font-size: .7rem; }
.g10-flags-menu summary { width: max-content; cursor: pointer; font-weight: 600; }
.g10-flags-menu > div { display: grid; grid-template-columns: max-content; gap: 0; width: max-content; margin-top: 3px; padding: 0; border: 0; background: transparent; }
.g10-flags-menu label { display: flex; align-items: center; gap: 5px; min-height: 20px; margin: 0; padding: 1px; border-radius: 4px; color: var(--muted); font-size: .61rem; line-height: 1; white-space: nowrap; }
.g10-flags-menu input[type="checkbox"] { width: 14px !important; min-width: 14px; height: 14px; min-height: 0 !important; margin: 0; }
.g10-flags-menu label:hover { background: var(--surface); }
.g10-config-trigger { display: grid; align-content: center; justify-items: start; width: 100%; min-width: 0; height: 36px; min-height: 36px !important; padding: 4px 8px; overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius-sm); color: var(--ink); background: var(--panel-strong); box-shadow: none; font-size: .66rem; text-align: left; white-space: nowrap; }
.g10-config-trigger strong, .g10-config-trigger small { display: block; max-width: 100%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.g10-config-trigger small { color: var(--muted); font-size: .57rem; }
.g10-config-trigger:hover { transform: none; border-color: color-mix(in srgb, var(--accent) 40%, var(--line)); background: var(--surface); }
.g10-settings-dialog { width: min(580px, calc(100% - 32px)); }
.g10-dialog-grid { grid-template-columns: 1fr; }
.g10-format-options { margin: 0; padding: 12px; border: 1px solid var(--line); border-radius: var(--radius-sm); }
.g10-format-options legend { padding: 0 5px; color: var(--muted); font-size: .75rem; font-weight: 700; }
.g10-format-options > div { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; }
.g10-value { display: grid; align-content: center; min-width: 0; min-height: 36px; gap: 2px; }
.g10-value strong { font-family: "IBM Plex Mono", monospace; font-size: 1rem; }
.g10-value small { color: var(--muted); font-size: .68rem; line-height: 1.35; overflow-wrap: anywhere; }
.g10-value small:empty { display: none; }
.g10-write { display: grid; grid-template-columns: minmax(58px, 1fr) auto; gap: 5px; }
.g10-register-actions { display: inline-flex; height: 36px; gap: 4px; }
.g10-action-button.icon-action { display: inline-grid; place-items: center; width: 36px; min-width: 36px; height: 36px; min-height: 36px !important; padding: 0; border: 1px solid var(--line); border-radius: var(--radius-sm); color: var(--muted); background: var(--panel-strong); box-shadow: none; }
.g10-action-button svg { width: 17px; height: 17px; fill: none; stroke: currentColor; stroke-width: 1.9; stroke-linecap: round; stroke-linejoin: round; }
.g10-action-button > span { font-family: "IBM Plex Mono", monospace; font-size: .82rem; font-weight: 700; line-height: 1; }
.g10-action-button.icon-action:hover:not(:disabled) { border-color: var(--line-strong); color: var(--ink); background: var(--surface); }
.g10-action-button.is-write { color: var(--accent); }
.g10-action-button.is-write:hover:not(:disabled) { border-color: color-mix(in srgb, var(--accent) 45%, var(--line)); color: var(--accent-strong); background: var(--accent-soft); }
.g10-action-button.icon-action:disabled { border-color: var(--line); color: color-mix(in srgb, var(--muted) 52%, transparent); background: var(--panel-strong); cursor: not-allowed; }
.g10-remove-register { margin: 0; }
.g10-row-tools { display: flex; width: 100%; gap: 4px; white-space: nowrap; }
.g10-row-tools .g10-action-button { flex: 1 1 0; width: auto; min-width: 30px; }
.g10-remove-register.icon-danger:hover:not(:disabled) { border-color: color-mix(in srgb, var(--danger) 42%, var(--line)); color: var(--danger); background: var(--danger-soft); }
.g10-raw-response { display: grid; gap: 7px; margin-top: var(--space-3); padding-top: var(--space-3); border-top: 1px solid var(--line); }
.g10-raw-response .hex-box { min-height: 0; padding: 10px 12px; }
.g10-page textarea { min-height: 72px; }
@media (max-width: 1100px) { .g10-config-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 800px) { .g10-layout { grid-template-columns: 1fr; } .g10-sidebar { position: static; max-height: none; } .g10-config-grid { grid-template-columns: 1fr; } .g10-raw-command { grid-template-columns: 1fr; } .g10-section-heading { align-items: stretch; flex-direction: column; } .g10-heading-actions { justify-content: flex-start; } }

.plc-palette-block {
  display: grid;
  grid-template-columns: var(--sidebar-icon-size) minmax(0, 1fr);
  align-items: center;
  gap: var(--space-2);
  width: 100%;
  min-height: var(--sidebar-row-height);
  padding: var(--sidebar-row-padding);
  border: 1px solid color-mix(in srgb, var(--line) 76%, transparent 24%);
  background: var(--panel-strong);
  color: var(--ink);
  text-align: left;
  box-shadow: none;
}

.plc-palette-block:hover {
  color: var(--ink);
  background: var(--surface);
  border-color: var(--line-strong);
  box-shadow: none;
}

.log-control-panel input:hover,
.log-control-panel select:hover,
.log-control-actions button.secondary:hover,
.profile-add-btn:hover,
.profile-tab:hover,
.plc-palette-block:hover {
  border-color: var(--line-strong);
  background: var(--surface);
}

.profile-tab[aria-selected="true"],
.plc-palette-block:focus-visible {
  border-color: color-mix(in srgb, var(--accent) 54%, var(--line) 46%);
}

.plc-block-icon {
  display: inline-grid;
  place-items: center;
  width: var(--sidebar-icon-size);
  height: var(--sidebar-icon-size);
  border-radius: var(--radius-sm);
  background: color-mix(in srgb, var(--accent-soft) 72%, transparent 28%);
  color: var(--accent-strong);
  font-family: "IBM Plex Mono", "SFMono-Regular", monospace;
  font-weight: 700;
  font-size: 0.78rem;
}

.plc-program-settings {
  align-items: end;
  margin-top: var(--space-3);
}

.plc-settings-field {
  display: grid;
  gap: var(--field-label-gap);
  min-height: 0;
}

.plc-settings-field > label,
.plc-import-field > label {
  margin-bottom: 0;
}

.plc-workspace-panel > .toolbar {
  align-items: center;
  flex-wrap: nowrap;
}

.plc-workspace-panel > .toolbar .toolbar-block {
  flex: 1 1 auto;
  min-width: 0;
}

.plc-workspace-panel > .toolbar .toolbar-block h2 {
  white-space: nowrap;
}

.plc-workspace-panel > .toolbar .toolbar-actions {
  flex: 0 0 auto;
  gap: 6px;
  justify-content: flex-end;
}

.plc-workspace-panel > .toolbar .toolbar-actions button {
  min-height: 35px;
  padding-inline: 9px;
  white-space: nowrap;
}

.plc-import-overlay {
  position: fixed;
  inset: 0;
  z-index: 80;
  display: grid;
  place-items: center;
  padding: var(--page-gutter);
  background: color-mix(in srgb, var(--page-bg) 68%, transparent 32%);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.plc-import-overlay[hidden] {
  display: none;
}

.plc-import-dialog {
  display: grid;
  grid-template-rows: auto auto auto;
  align-content: start;
  gap: var(--space-2);
  width: min(560px, calc(100vw - var(--page-gutter) * 2));
  height: fit-content;
  min-height: 0;
  max-height: min(560px, calc(100dvh - var(--page-gutter) * 2));
  margin: auto;
  padding: var(--space-3);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--panel);
  color: var(--ink);
  box-shadow: var(--shadow);
}

.plc-confirm-dialog {
  width: min(420px, calc(100vw - var(--page-gutter) * 2));
}

.plc-import-dialog h3 {
  margin: 0;
  font-size: 1.08rem;
}

.plc-import-header {
  display: grid;
  gap: 6px;
}

.plc-import-header p {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.45;
}

.plc-import-field {
  display: grid;
  gap: var(--field-label-gap);
  min-height: 0;
}

.plc-import-dialog textarea {
  width: 100%;
  min-height: 140px;
  height: 180px;
  max-height: min(240px, 38dvh);
  overflow: auto;
  padding: 8px 9px;
  resize: vertical;
}

.plc-import-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  margin-top: var(--space-1);
}

.plc-import-footer .status {
  min-width: 0;
}

.plc-import-footer .controls-row-actions {
  flex: 0 0 auto;
}

@media (max-width: 640px) {
  .plc-import-footer {
    align-items: stretch;
    flex-direction: column;
  }

  .plc-import-footer .controls-row-actions {
    justify-content: flex-end;
  }
}

.plc-workspace {
  display: grid;
  gap: var(--space-3);
  margin-top: var(--space-3);
}

.plc-empty-workspace {
  margin-top: var(--space-3);
  min-height: 170px;
  display: grid;
  place-items: center;
  padding: var(--space-5);
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius-lg);
  color: var(--muted);
  background: color-mix(in srgb, var(--panel-strong) 48%, transparent 52%);
  text-align: center;
}

.plc-workspace-block {
  padding: var(--space-4);
  border-radius: var(--radius-lg);
  border: 1px solid color-mix(in srgb, var(--line) 88%, transparent 12%);
  background: var(--panel);
  box-shadow: var(--shadow-soft);
}

.plc-workspace-block:focus-within {
  border-color: color-mix(in srgb, var(--accent) 62%, var(--line) 38%);
}

.plc-block-header {
  display: flex;
  justify-content: space-between;
  gap: var(--space-2);
  align-items: flex-start;
  margin-bottom: var(--space-3);
}

.plc-block-header h3 {
  margin-bottom: 0;
}

.plc-block-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 6px;
}

.plc-icon-btn {
  display: inline-grid;
  place-items: center;
  width: var(--plc-icon-button-size);
  min-width: var(--plc-icon-button-size);
  height: var(--plc-icon-button-size);
  min-height: var(--plc-icon-button-size);
  padding: 0;
  border-radius: var(--radius-sm);
  line-height: 1;
}

.plc-icon-btn svg {
  width: 18px;
  height: 18px;
  stroke: currentColor;
  fill: none;
  stroke-width: 2.2;
  stroke-linecap: round;
  stroke-linejoin: round;
  pointer-events: none;
}

.plc-icon-btn[data-action^="remove"] {
  color: var(--danger);
}

.plc-icon-btn[data-action^="remove"]:hover,
.plc-icon-btn[data-action^="remove"]:focus-visible {
  color: var(--danger);
  background: var(--remove-hover-bg);
  border-color: var(--remove-hover-border);
}

.plc-block-form {
  margin-top: 0;
}

.plc-event-list {
  display: grid;
  gap: var(--space-2);
  margin-top: var(--space-3);
}

.plc-weekday-grid {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: 6px;
}

.plc-weekday-option {
  display: grid;
  place-items: center;
  min-width: 0;
  min-height: 38px;
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--panel-strong);
  cursor: pointer;
}

.plc-weekday-option input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.plc-weekday-option span {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--muted);
}

.plc-weekday-option:has(input:checked) {
  border-color: color-mix(in srgb, var(--accent) 60%, var(--line) 40%);
  background: var(--accent-soft);
}

.plc-weekday-option:has(input:checked) span {
  color: var(--accent-strong);
}

.plc-event-row {
  display: grid;
  gap: var(--space-2);
  padding: var(--space-2);
  border: 1px solid color-mix(in srgb, var(--line) 72%, transparent 28%);
  border-radius: var(--radius-md);
  background: color-mix(in srgb, var(--panel-strong) 58%, transparent 42%);
  min-width: 0;
}

.plc-event-time-grid,
.plc-event-action-row,
.plc-condition-action-row {
  display: grid;
  align-items: end;
  gap: var(--space-2);
  min-width: 0;
}

.plc-event-time-grid {
  grid-template-columns: minmax(130px, 1fr) var(--plc-row-icon-button-size);
}

.plc-time-control {
  min-width: 0;
}

.plc-time-input-wrap {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) var(--plc-row-icon-button-size);
  gap: var(--space-2);
  align-items: center;
}

.plc-time-picker-toggle {
  width: var(--plc-row-icon-button-size);
  height: var(--plc-row-icon-button-size);
}

.plc-time-control.is-picker-open input,
.plc-time-control.is-picker-open .plc-time-picker-toggle {
  border-color: color-mix(in srgb, var(--accent) 68%, var(--line) 32%);
  background: color-mix(in srgb, var(--accent-soft) 44%, var(--panel-strong) 56%);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 14%, transparent 86%);
}

.plc-time-control.is-picker-open .plc-time-picker-toggle {
  color: var(--accent-strong);
}

.plc-event-time-grid > .plc-icon-btn,
.plc-event-action-row > .plc-icon-btn,
.plc-condition-action-row > .plc-icon-btn {
  width: var(--plc-row-icon-button-size);
  min-width: var(--plc-row-icon-button-size);
  height: var(--plc-row-icon-button-size);
  min-height: var(--plc-row-icon-button-size);
}

.plc-time-picker {
  position: absolute;
  left: 0;
  top: calc(100% + 4px);
  z-index: 12;
  display: grid;
  gap: var(--space-2);
  width: min(244px, calc(100vw - 48px));
  padding: var(--space-2);
  border: 1px solid color-mix(in srgb, var(--line) 78%, transparent 22%);
  border-radius: var(--radius-md);
  background: color-mix(in srgb, var(--panel) 96%, var(--surface) 4%);
  box-shadow: var(--shadow);
}

.plc-time-picker.is-above {
  top: auto;
  bottom: calc(100% + 4px);
}

.plc-time-picker-header {
  display: grid;
  grid-template-columns: 28px 1fr 28px;
  align-items: center;
  gap: 6px;
  font-weight: 700;
}

.plc-time-picker-tabs {
  grid-column: 2;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}

.plc-time-picker-header button {
  min-height: 30px;
  padding: 4px 9px;
}

.plc-time-picker-header .plc-time-picker-close {
  grid-column: 3;
  width: 28px;
  min-width: 28px;
  height: 28px;
  min-height: 28px;
  padding: 0;
}

.plc-time-picker-header .plc-time-picker-close svg {
  width: 15px;
  height: 15px;
}

.plc-time-picker-header button.active {
  border-color: color-mix(in srgb, var(--accent) 72%, var(--line) 28%);
  background: var(--accent-soft);
  color: var(--accent-strong);
}

.plc-time-picker-face {
  position: relative;
  width: 100%;
  aspect-ratio: 1;
  border-radius: 50%;
  cursor: pointer;
  touch-action: none;
  background:
    radial-gradient(circle at center, color-mix(in srgb, var(--accent-soft) 34%, transparent 66%) 0 20%, transparent 20.5%),
    radial-gradient(circle at center, transparent 0 31%, color-mix(in srgb, var(--line) 42%, transparent 58%) 31.4% 31.9%, transparent 32.3%),
    color-mix(in srgb, var(--panel-strong) 76%, transparent 24%);
}

.plc-time-picker-face::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
  transform: translate(-50%, -50%);
  z-index: 3;
}

.plc-time-picker-hand {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 2px;
  height: var(--hand-length);
  border-radius: 999px;
  background: color-mix(in srgb, var(--accent) 76%, var(--ink) 24%);
  transform: translate(-50%, -100%) rotate(var(--hand-angle));
  transform-origin: 50% 100%;
  z-index: 1;
  pointer-events: none;
}

.plc-time-picker-option {
  position: absolute;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  min-width: 32px;
  height: 32px;
  min-height: 32px;
  padding: 0;
  border: 1px solid transparent;
  border-radius: 50%;
  background: transparent;
  box-shadow: none;
  color: var(--ink);
  font-size: 0.78rem;
  font-weight: 700;
  line-height: 1;
  transform: translate(-50%, -50%);
  transition: background-color 0.14s ease, border-color 0.14s ease, color 0.14s ease;
  z-index: 2;
}

.plc-time-picker-option.inner {
  width: 28px;
  min-width: 28px;
  height: 28px;
  min-height: 28px;
  font-size: 0.7rem;
}

.plc-time-picker-option:hover,
.plc-time-picker-option.active {
  border-color: color-mix(in srgb, var(--accent) 64%, var(--line) 36%);
  background: var(--accent-soft);
  box-shadow: none;
  color: var(--accent-strong);
  transform: translate(-50%, -50%);
}

.plc-event-actions {
  display: grid;
  gap: var(--space-2);
}

.plc-event-action-row,
.plc-condition-action-row {
  grid-template-columns: minmax(82px, 0.8fr) minmax(96px, 1fr) var(--plc-row-icon-button-size);
}

.plc-condition-action-section {
  display: grid;
  gap: var(--space-2);
  margin-top: var(--space-3);
  padding: var(--space-2);
  border: 1px solid color-mix(in srgb, var(--line) 72%, transparent 28%);
  border-radius: var(--radius-md);
  background: color-mix(in srgb, var(--panel-strong) 58%, transparent 42%);
}

.plc-condition-action-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
}

.plc-condition-action-header span {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
}

.plc-condition-actions {
  display: grid;
  gap: var(--space-2);
}

.plc-elif-list {
  display: grid;
  gap: var(--space-2);
  margin-top: var(--space-3);
}

.plc-condition-branch {
  display: grid;
  gap: var(--space-2);
  margin-top: var(--space-3);
  padding: var(--space-2);
  border: 1px solid color-mix(in srgb, var(--line) 72%, transparent 28%);
  border-radius: var(--radius-md);
  background: color-mix(in srgb, var(--panel-strong) 42%, transparent 58%);
}

.plc-elif-list .plc-condition-branch {
  margin-top: 0;
}

.plc-condition-branch .plc-condition-action-section {
  margin-top: 0;
  padding: 0;
  border: 0;
  background: transparent;
}

.plc-add-elif {
  margin-top: var(--space-3);
}

.plc-event-row.has-warning input {
  border-color: color-mix(in srgb, var(--warn) 72%, var(--line) 28%);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--warn) 13%, transparent 87%);
}

.plc-row-warnings {
  grid-column: 1 / -1;
  display: grid;
  gap: var(--space-1);
}

.plc-row-warning {
  padding: 7px 9px;
  border-radius: var(--radius-sm);
  border: 1px solid color-mix(in srgb, var(--warn) 34%, transparent 66%);
  background: var(--warn-soft);
  color: var(--status-warn-ink);
  font-size: 0.78rem;
  font-weight: 700;
  line-height: 1.35;
}

.plc-add-event {
  margin-top: var(--space-2);
}

.plc-add-event-action {
  justify-self: start;
  min-height: 34px;
  padding: 6px 10px;
  font-size: 0.86rem;
}

.plc-code-panel .status {
  margin-top: var(--space-3);
}

.plc-compiler-card {
  display: grid;
  gap: var(--space-3);
  margin-top: var(--space-3);
  padding: var(--space-4);
  border: 1px solid color-mix(in srgb, var(--line) 82%, transparent 18%);
  border-radius: var(--radius-lg);
  background: color-mix(in srgb, var(--panel-strong) 66%, transparent 34%);
}

.plc-compiler-header {
  display: flex;
  justify-content: space-between;
  gap: var(--space-3);
  align-items: flex-start;
}

.plc-compiler-header h3 {
  margin: 0;
}

.plc-compiler-header .status {
  margin-top: 0;
}

.plc-compiler-metrics {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(118px, 1fr));
  align-items: start;
  gap: 6px;
}

.plc-compiler-metric {
  min-width: 0;
  padding: 7px 8px;
  border: 1px solid color-mix(in srgb, var(--line) 76%, transparent 24%);
  border-radius: var(--radius-sm);
  background: var(--surface);
}

.plc-compiler-metric.error {
  border-color: color-mix(in srgb, var(--danger) 58%, var(--line) 42%);
  background: var(--danger-soft);
}

.plc-compiler-metric span,
.plc-compiler-metric strong {
  display: block;
}

.plc-compiler-metric span {
  color: var(--muted);
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  line-height: 1.28;
  overflow-wrap: anywhere;
}

.plc-compiler-metric strong {
  margin-top: 2px;
  color: var(--ink);
  font-family: "IBM Plex Mono", "SFMono-Regular", monospace;
  font-size: 0.92rem;
  line-height: 1.2;
  overflow-wrap: anywhere;
}

.plc-compiler-metric.error span,
.plc-compiler-metric.error strong {
  color: var(--status-error-ink);
}

.plc-compiler-issues {
  display: grid;
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.plc-compiler-issues li {
  padding: 7px 9px;
  border-radius: var(--radius-sm);
  font-size: 0.78rem;
  font-weight: 700;
  line-height: 1.35;
}

.plc-compiler-issues li.ok {
  border: 1px solid color-mix(in srgb, var(--accent) 24%, transparent 76%);
  background: var(--accent-soft);
  color: var(--status-ok-ink);
}

.plc-compiler-issues li.warn {
  border: 1px solid color-mix(in srgb, var(--warn) 24%, transparent 76%);
  background: var(--warn-soft);
  color: var(--status-warn-ink);
}

.plc-compiler-issues li.error {
  border: 1px solid color-mix(in srgb, var(--danger) 24%, transparent 76%);
  background: var(--danger-soft);
  color: var(--status-error-ink);
}

.plc-code-viewer {
  min-height: 0;
  max-height: calc(100dvh - 260px);
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  overflow: auto;
  margin-top: var(--space-3);
  border-radius: var(--radius-lg);
  border: 1px solid color-mix(in srgb, var(--line) 82%, transparent 18%);
  background: var(--log-bg);
  color: var(--log-ink);
}

.plc-code-lines,
.plc-code-surface {
  min-height: 0;
  padding: var(--space-4) 0;
  font-size: 0.84rem;
  line-height: 1.55;
  white-space: pre;
  tab-size: 4;
}

.plc-code-lines {
  min-width: 44px;
  padding-right: 10px;
  padding-left: 10px;
  border-right: 1px solid color-mix(in srgb, var(--line) 70%, transparent 30%);
  color: var(--muted);
  text-align: right;
  user-select: none;
}

.plc-code-surface {
  min-width: max-content;
  padding-right: var(--space-4);
  padding-left: var(--space-4);
}

@media (min-width: 1181px) {
  body.plc-builder-page {
    overflow-y: auto;
  }

  .site-shell-plc-builder {
    min-height: 100dvh;
  }

  .plc-builder-page .plc-builder-layout {
    position: sticky;
    top: 0;
    height: 100dvh;
    min-height: 0;
    align-items: stretch;
    overflow: visible;
  }

  .plc-builder-page .plc-builder-workspace {
    height: 100%;
    min-height: 0;
    margin-top: 0;
    overflow: visible;
  }

  .plc-builder-page .plc-palette-panel {
    display: flex;
    flex-direction: column;
    align-self: start;
    margin-top: var(--header-safe-top);
    margin-bottom: var(--space-3);
    max-height: calc(100% - var(--header-safe-top) - var(--space-3));
    overflow-x: hidden;
    overflow-y: hidden;
  }

  .plc-builder-page .cnc-device-panel {
    display: flex;
    flex-direction: column;
    flex: 1 1 auto;
    overflow: hidden;
  }

  .plc-builder-page .cnc-device-browser {
    display: flex;
    flex: 1 1 auto;
    flex-direction: column;
    min-height: 0;
    overflow: hidden;
  }

  .plc-builder-page .cnc-device-list {
    flex: 0 1 auto;
    min-height: 0;
  }

  .plc-builder-page .plc-pane-scroll {
    height: 100%;
    min-height: 0;
    padding-top: var(--header-safe-top);
    padding-bottom: var(--space-3);
    overflow-x: hidden;
    overflow-y: auto;
    overscroll-behavior: contain;
  }

  .plc-builder-page .plc-workspace-panel,
  .plc-builder-page .plc-code-panel {
    min-height: 0;
    overflow: visible;
  }

  .plc-builder-page .plc-code-viewer {
    max-height: calc(100dvh - 260px);
  }
}

.plc-token-keyword {
  color: #8b5cf6;
  font-weight: 700;
}

.plc-token-label {
  color: var(--ink);
  font-weight: 700;
}

.plc-token-helper {
  color: #0f8b8d;
  font-weight: 700;
}

.plc-token-variable {
  color: #1d74d8;
}

.plc-token-port {
  color: #c05621;
  font-weight: 700;
}

.plc-token-constant {
  color: #b7791f;
  font-weight: 700;
}

.plc-token-number {
  color: #22863a;
}

.plc-token-operator {
  color: var(--muted);
}

.plc-token-comment {
  color: color-mix(in srgb, var(--muted) 72%, transparent 28%);
  font-style: italic;
}

:root[data-theme="dark"] .plc-token-keyword {
  color: #c4a7ff;
}

:root[data-theme="dark"] .plc-token-label {
  color: #eef3f8;
}

:root[data-theme="dark"] .plc-token-helper {
  color: #57d8d4;
}

:root[data-theme="dark"] .plc-token-variable {
  color: #8ecbff;
}

:root[data-theme="dark"] .plc-token-port {
  color: #ffb36b;
}

:root[data-theme="dark"] .plc-token-constant {
  color: #ffd166;
}

:root[data-theme="dark"] .plc-token-number {
  color: #9be28f;
}

@media (max-width: 900px) {
  .modbus-layout {
    grid-template-columns: 1fr;
    padding-top: var(--header-safe-top);
    padding-bottom: var(--space-3);
  }

  .modbus-profile-sidebar {
    overflow: visible;
  }

  .site-shell-log-viewer {
    min-height: 100dvh;
  }

  .log-viewer-layout {
    grid-template-columns: 1fr;
  }

  .log-control-panel {
    overflow: visible;
  }

  .log-viewer-results {
    min-height: 560px;
  }

  .log-viewer-page .stats-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .log-viewer-results .toolbar-actions {
    flex-wrap: wrap;
  }

  .home-hub {
    padding-top: var(--header-safe-top);
  }

  .home-intro {
    padding: var(--space-2) 0 var(--space-3);
  }

  .home-intro h1 {
    max-width: 720px;
  }

  .home-tool-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .section-grid,
  .form-grid {
    grid-template-columns: 1fr;
  }

  .form-grid.three-up {
    grid-template-columns: 1fr;
  }

  .site-header {
    align-items: center;
    flex-direction: row;
    gap: 8px;
  }

  .brand {
    max-width: 172px;
    padding-right: 8px;
  }

  .brand-icon {
    width: 28px;
    height: 28px;
    border-radius: 8px;
  }

  .brand-mark {
    font-size: 0.86rem;
  }

  .header-actions {
    flex: 0 0 auto;
    min-width: 0;
  }

  .site-nav {
    gap: 14px;
    flex-wrap: nowrap;
    max-width: 100%;
    overflow-x: auto;
  }

  .site-nav a {
    flex: 0 0 auto;
    text-align: center;
    white-space: nowrap;
  }

  .plc-builder-layout {
    grid-template-columns: 1fr;
    padding-top: var(--header-safe-top);
    padding-bottom: var(--space-3);
  }

  .plc-builder-workspace {
    grid-template-columns: 1fr;
  }

  .plc-event-action-row,
  .plc-condition-action-row {
    grid-template-columns: repeat(2, minmax(0, 1fr)) var(--plc-row-icon-button-size);
  }

  .plc-weekday-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .plc-compiler-header {
    grid-template-columns: 1fr;
  }

  .plc-compiler-header {
    display: grid;
  }

  .plc-compiler-metrics {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .plc-code-viewer {
    min-height: 0;
    max-height: 70dvh;
  }

  .modbus-page .value-table[data-show-bits="true"],
  .modbus-page .value-table[data-show-bits="true"] thead,
  .modbus-page .value-table[data-show-bits="true"] tbody,
  .modbus-page .value-table[data-show-bits="true"] tr,
  .modbus-page .value-table[data-show-bits="true"] th,
  .modbus-page .value-table[data-show-bits="true"] td {
    display: block;
  }

  .modbus-page .value-table[data-show-bits="true"] thead {
    display: none;
  }

  .modbus-page .value-table[data-show-bits="true"] tbody tr {
    display: grid;
    grid-template-columns: 54px minmax(68px, 0.7fr) minmax(68px, 1fr);
    border-bottom: 1px solid var(--output-row);
  }

  .modbus-page .value-table[data-show-bits="true"] tbody tr:last-child {
    border-bottom: 0;
  }

  .modbus-page .value-table[data-show-bits="true"] td {
    width: auto !important;
    border-bottom: 0;
  }

  .modbus-page .value-table[data-show-bits="true"] td:nth-child(4) {
    grid-column: 1 / -1;
    padding-top: 0;
  }

  .modbus-page .bit-array-row {
    grid-template-columns: repeat(8, minmax(20px, 1fr));
    gap: 4px;
  }

  .modbus-page .bit-chip {
    gap: 3px;
    min-height: 24px;
    padding: 3px 4px;
  }

  .modbus-page .bit-chip-index {
    font-size: 0.62rem;
  }

  .modbus-page .bit-chip-value {
    font-size: 0.78rem;
  }

  .write-composer-column-head,
  .write-composer-row {
    grid-template-columns: 36px repeat(2, minmax(0, 1fr)) var(--plc-row-icon-button-size);
  }

  .write-composer-row label:nth-of-type(3) {
    grid-column: 2 / -1;
  }

  .write-byte-settings {
    grid-column: 2 / -1;
    grid-row: auto;
    justify-self: start;
    min-width: 84px;
  }

  .write-byte-panel {
    grid-column: 1 / -1;
  }

  .write-bit-grid {
    grid-template-columns: repeat(8, minmax(34px, 44px));
    gap: 6px;
  }

  .write-bit-button {
    width: 100%;
    height: 40px;
    min-height: 40px;
  }

  .write-composer-remove {
    grid-column: 4;
    grid-row: 1;
  }
}

@media (min-width: 901px) and (max-width: 1380px) {
  .modbus-page .modbus-layout {
    position: static;
    height: auto;
    align-items: start;
    padding-top: var(--header-safe-top);
    padding-bottom: var(--space-3);
  }

  .modbus-workspace {
    grid-template-columns: minmax(0, 1fr);
    gap: var(--space-3);
  }

  .modbus-page .modbus-pane-scroll {
    height: auto;
    min-height: 0;
    padding-top: 0;
    padding-bottom: 0;
    overflow: visible;
  }

  .modbus-page .modbus-profile-sidebar {
    margin-top: 0;
    margin-bottom: 0;
    max-height: none;
  }

  .modbus-page .modbus-scroll-panel,
  .modbus-page .modbus-profile-sidebar {
    padding: var(--space-4);
  }

  .modbus-page .section-heading {
    margin-bottom: var(--space-3);
  }

  .modbus-page .form-grid {
    gap: var(--space-2);
  }

  .modbus-page .output {
    margin-top: var(--space-3);
    padding: var(--space-3);
  }

  .modbus-page .output-header {
    align-items: flex-start;
    gap: var(--space-2);
  }

  .modbus-page .request-copy-actions {
    width: 100%;
  }

  .modbus-page .request-copy-actions button {
    padding-inline: 11px;
  }

  .modbus-page .meta-table td:first-child {
    width: 112px;
  }

  .modbus-page .value-table th,
  .modbus-page .value-table td {
    padding: 7px;
  }

  .modbus-page .value-table th:nth-child(1),
  .modbus-page .value-table td:nth-child(1) {
    width: 60px;
  }

  .modbus-page .value-table th:nth-child(2),
  .modbus-page .value-table td:nth-child(2) {
    width: 58px;
  }

  .modbus-page .value-table th:nth-child(3),
  .modbus-page .value-table td:nth-child(3) {
    width: 84px;
  }

  .modbus-page .value-table[data-show-bits="true"],
  .modbus-page .value-table[data-show-bits="true"] thead,
  .modbus-page .value-table[data-show-bits="true"] tbody,
  .modbus-page .value-table[data-show-bits="true"] tr,
  .modbus-page .value-table[data-show-bits="true"] th,
  .modbus-page .value-table[data-show-bits="true"] td {
    display: block;
  }

  .modbus-page .value-table[data-show-bits="true"] {
    border-spacing: 0;
  }

  .modbus-page .value-table[data-show-bits="true"] thead {
    display: none;
  }

  .modbus-page .value-table[data-show-bits="true"] tbody tr {
    display: grid;
    grid-template-columns: 60px minmax(74px, 0.7fr) minmax(74px, 1fr);
    gap: 0;
    border-bottom: 1px solid var(--output-row);
  }

  .modbus-page .value-table[data-show-bits="true"] tbody tr:last-child {
    border-bottom: 0;
  }

  .modbus-page .value-table[data-show-bits="true"] td {
    width: auto !important;
    border-bottom: 0;
  }

  .modbus-page .value-table[data-show-bits="true"] td:nth-child(4) {
    grid-column: 1 / -1;
    padding-top: 0;
  }

  .modbus-page .bit-array-row {
    grid-template-columns: repeat(8, minmax(22px, 1fr));
    gap: 4px;
  }

  .modbus-page .bit-chip {
    gap: 3px;
    min-height: 24px;
    padding: 3px 4px;
  }

  .modbus-page .bit-chip-index {
    font-size: 0.62rem;
  }

  .modbus-page .bit-chip-value {
    font-size: 0.78rem;
  }

  .write-composer-column-head,
  .write-composer-row {
    grid-template-columns: 22px minmax(56px, 0.62fr) minmax(76px, 0.72fr) minmax(116px, 1.5fr) 42px 32px;
    gap: 5px;
  }

  .write-composer.single-write .write-composer-column-head,
  .write-composer.single-write .write-composer-row {
    grid-template-columns: 22px minmax(56px, 0.62fr) minmax(76px, 0.72fr) minmax(116px, 1.5fr) 42px;
  }

  .write-composer-summary {
    min-height: 40px;
    padding: 7px 12px;
    font-size: 0.94rem;
  }

  .write-composer-column-head {
    padding-inline: 9px;
  }

  .write-composer-row {
    padding: 6px 9px;
  }

  .write-composer-index {
    font-size: 0.64rem;
  }

  .write-composer-row input {
    min-height: 32px;
    padding: 5px 6px;
    font-size: 0.72rem;
  }

  .write-composer-row input.mono {
    font-size: 0.7rem;
  }

  .write-byte-settings summary {
    min-height: 32px;
    padding-inline: 4px;
    font-size: 0.62rem;
  }

  .write-composer-remove {
    width: 32px;
    min-width: 32px;
    height: 32px;
    min-height: 32px;
  }

  .plc-builder-page .plc-builder-layout {
    position: static;
    height: auto;
    align-items: start;
    padding-top: var(--header-safe-top);
    padding-bottom: var(--space-3);
  }

  .plc-builder-workspace {
    grid-template-columns: minmax(0, 1fr);
    gap: var(--space-3);
  }

  .plc-builder-page .plc-pane-scroll {
    height: auto;
    min-height: 0;
    padding-top: 0;
    padding-bottom: 0;
    overflow: visible;
  }

  .plc-builder-page .plc-palette-panel {
    display: block;
    margin: 0;
    max-height: none;
    overflow: visible;
  }

  .plc-builder-page .cnc-device-panel,
  .plc-builder-page .cnc-device-browser {
    display: grid;
    overflow: visible;
  }

}

@media (max-width: 520px) {
  .home-copy {
    font-size: 0.94rem;
  }

  .home-tool-grid {
    grid-template-columns: 1fr;
  }

  .write-composer-column-head {
    display: none;
  }

  .write-composer-summary {
    grid-template-columns: minmax(0, 1fr);
  }

  .write-composer-actions {
    grid-column: 1 / -1;
    grid-row: 2;
    width: 100%;
    justify-content: space-between;
  }

  .write-composer-row {
    grid-template-columns: 1fr var(--plc-row-icon-button-size);
  }

  .write-composer.single-write .write-composer-row {
    grid-template-columns: 1fr;
  }

  .write-composer-index {
    grid-column: 1 / -1;
    min-height: 0;
    margin-top: 0;
    place-items: start;
  }

  .write-composer-row label,
  .write-composer-row label:nth-of-type(3),
  .write-byte-settings,
  .write-byte-panel {
    grid-column: 1 / -1;
    grid-row: auto;
  }

  .write-composer-row label span {
    display: block;
  }

  .write-composer-remove {
    grid-column: 2;
    grid-row: 1;
    justify-self: end;
    margin-top: 0;
  }
}

.modbus-page .value-table[data-show-bits="true"] {
  display: block;
  overflow: visible;
  border-radius: 0;
  table-layout: auto;
}

.modbus-page .value-table[data-show-bits="true"] thead {
  display: none;
}

.modbus-page .value-table[data-show-bits="true"] tbody {
  display: grid;
  gap: 8px;
}

.modbus-page .value-table[data-show-bits="true"] .bit-result-row,
.modbus-page .value-table[data-show-bits="true"] .bit-result-cell {
  display: block;
  width: auto !important;
  padding: 0;
  border-bottom: 0;
}

.modbus-page .value-table[data-show-bits="true"] .bit-result-row:nth-child(even) .bit-result-cell {
  background: transparent;
}

.bit-result-card {
  display: grid;
  gap: 10px;
  padding: 9px 10px;
  border: 1px solid color-mix(in srgb, var(--line) 82%, transparent 18%);
  border-radius: var(--radius-md);
  background: color-mix(in srgb, var(--panel) 76%, transparent 24%);
}

.bit-result-meta {
  display: grid;
  grid-template-columns: 64px 96px 120px;
  gap: 8px;
  align-items: stretch;
}

.bit-result-field {
  display: grid;
  gap: 3px;
  min-width: 0;
  padding: 6px 8px;
  border-radius: var(--radius-sm);
  background: color-mix(in srgb, var(--panel-strong) 72%, transparent 28%);
}

.bit-result-label {
  color: var(--muted);
  font-size: 0.66rem;
  font-weight: 800;
  line-height: 1;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.bit-result-value {
  min-width: 0;
  overflow: hidden;
  color: var(--text);
  font-size: 0.98rem;
  font-weight: 750;
  line-height: 1.15;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.bit-result-bits {
  display: flex;
  justify-content: flex-start;
  min-width: 0;
  overflow-x: auto;
  padding-bottom: 2px;
}

.modbus-page .bit-result-bits .bit-array {
  width: auto;
  overflow-x: visible;
  padding-bottom: 0;
}

.modbus-page .bit-result-bits .bit-array-row {
  grid-template-columns: repeat(8, 42px);
  gap: 5px;
  min-width: 0;
}

.modbus-page .bit-result-bits .bit-chip {
  flex-direction: column;
  gap: 2px;
  min-height: 32px;
  padding: 4px 3px;
}

.modbus-page .bit-result-bits .bit-chip-index {
  font-size: 0.6rem;
  line-height: 1;
}

.modbus-page .bit-result-bits .bit-chip-value {
  font-size: 0.98rem;
  line-height: 1;
}

@media (max-width: 760px) {
  .bit-result-meta {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 8px;
  }

  .bit-result-field {
    padding: 6px 7px;
  }

  .bit-result-bits {
    justify-content: flex-start;
  }

  .modbus-page .bit-result-bits .bit-array {
    width: 100%;
  }

  .modbus-page .bit-result-bits .bit-array-row {
    grid-template-columns: repeat(8, minmax(24px, 1fr));
    gap: 4px;
  }
}

.account-actions { display: flex; align-items: center; gap: 10px; }
.account-actions a { color: var(--text); font-weight: 700; text-decoration: none; }
.account-name, .muted { color: var(--muted); }
.auth-page { min-height: 100vh; display: grid; place-items: center; padding: 24px; }
.auth-card { width: min(420px, 100%); display: grid; gap: var(--space-3); padding: 28px; }
.auth-card label,
.user-form > label,
.user-form .form-grid > label {
  display: grid;
  gap: var(--field-label-gap);
  margin-bottom: 0;
}
.auth-card h1, .user-form h2 { margin: 0; }
.admin-panel { padding: 24px; }
.user-list { display: grid; gap: 10px; margin-top: 20px; }
.user-row { display: grid; grid-template-columns: minmax(160px, .7fr) 2fr auto; align-items: center; gap: 18px; padding: 14px; border: 1px solid var(--border); border-radius: 10px; }
.user-row > div:first-child { display: grid; gap: 3px; }
.user-row > div:first-child span { color: var(--muted); font-size: .86rem; }
.permission-tags { display: flex; flex-wrap: wrap; gap: 5px; }
.tag { padding: 3px 7px; border-radius: 999px; background: var(--surface-soft); color: var(--muted); font-size: .75rem; }
.tag.danger { color: #b42318; background: #fee4e2; }
.danger-button { background: #b42318; border-color: #b42318; }
dialog { width: min(640px, calc(100% - 32px)); padding: 0; border: 1px solid var(--border); border-radius: 14px; background: var(--surface); color: var(--text); }
dialog::backdrop { background: rgb(0 0 0 / .55); }
.confirmation-dialog { width: min(440px, calc(100% - 32px)); }
.confirmation-form { display: grid; gap: 24px; padding: 24px; }
.confirmation-form h2 { margin: 0 0 8px; font-size: 1.3rem; }
.confirmation-form p { margin: 0; color: var(--muted); line-height: 1.5; }
.user-form { display: grid; gap: 16px; padding: 24px; }
.user-form fieldset { display: grid; gap: 9px; border: 1px solid var(--border); border-radius: 9px; }
.dialog-actions { display: flex; justify-content: flex-end; gap: 10px; }
@media (max-width: 760px) { .user-row { grid-template-columns: 1fr; } .account-name { display: none; } }

/* Authenticated navigation and account menu */
.header-actions { gap: 12px; }
.site-nav { align-items: center; gap: 6px; padding: 4px; border: 1px solid var(--glass-line); border-radius: 12px; background: color-mix(in srgb, var(--panel-strong) 42%, transparent); }
.site-nav a { min-height: 32px; padding: 0 10px; border-radius: 8px; font-size: .86rem; }
.site-nav a:hover, .site-nav a[aria-current="page"] { background: var(--panel-strong); }
.nav-group-label { padding: 0 5px 0 7px; color: var(--muted); font-size: .66rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.account-actions { position: relative; display: flex; align-items: center; gap: 8px; }
.admin-nav-link { display: inline-flex; align-items: center; min-height: 36px; padding: 0 10px; border-radius: 9px; color: var(--muted); font-size: .86rem; font-weight: 700; text-decoration: none; }
.admin-nav-link:hover, .admin-nav-link.current { color: var(--ink); background: var(--panel-strong); }
.account-menu { position: relative; }
.account-trigger { display: flex; align-items: center; gap: 8px; min-height: 42px; padding: 4px 9px 4px 5px; border: 1px solid var(--glass-line); border-radius: 12px; color: var(--ink); background: color-mix(in srgb, var(--panel-strong) 48%, transparent); box-shadow: none; }
.account-trigger:hover { transform: none; background: var(--panel-strong); }
.account-trigger svg { width: 14px; height: 14px; fill: none; stroke: currentColor; stroke-width: 1.8; }
.account-avatar, .user-avatar { display: grid; place-items: center; flex: 0 0 auto; width: 32px; height: 32px; border-radius: 9px; color: #fff; background: var(--accent); font-weight: 800; }
.user-avatar { color: #fff !important; }
.account-trigger-copy { display: grid; min-width: 0; text-align: left; line-height: 1.1; }
.account-trigger-copy strong { max-width: 120px; overflow: hidden; font-size: .82rem; text-overflow: ellipsis; white-space: nowrap; }
.account-trigger-copy small { color: var(--muted); font-size: .68rem; }
.account-popover { position: absolute; top: calc(100% + 8px); right: 0; z-index: 50; display: grid; width: 190px; padding: 6px; border: 1px solid var(--glass-line); border-radius: 12px; background: var(--panel-strong); box-shadow: var(--shadow); }
.account-popover[hidden] { display: none; }
.account-popover button, .account-popover a { display: flex; align-items: center; justify-content: flex-start; min-height: 38px; padding: 0 10px; border: 0; border-radius: 8px; color: var(--ink); background: transparent; box-shadow: none; font-size: .82rem; font-weight: 700; text-align: left; text-decoration: none; }
.account-popover button:hover, .account-popover a:hover { transform: none; background: var(--panel); }
.menu-separator { height: 1px; margin: 4px; background: var(--line); }
.account-dialog { width: min(620px, calc(100% - 28px)); }
.password-section { display: grid; gap: 12px; padding-top: 4px; }
.password-section h3, .password-section p { margin: 0; }

/* User management */
.admin-page .site-shell { padding-top: var(--header-safe-top); }
.admin-panel { width: min(100%, 1040px); margin: 0 auto; overflow: visible; padding: 0; border: 0; border-radius: 0; background: transparent; box-shadow: none; }
.admin-heading { display: flex; align-items: flex-start; justify-content: space-between; gap: 24px; padding: 8px 0 20px; border: 0; }
.admin-heading h1 { margin: 0; }
.admin-heading p { margin: 8px 0 0; }
.admin-summary { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 10px 0 14px; border-bottom: 1px solid var(--line); color: var(--muted); background: transparent; font-size: .78rem; }
.admin-summary button { flex: 0 0 auto; }
.user-list { gap: 0; margin: 0; }
.user-row { grid-template-columns: minmax(230px, .85fr) minmax(280px, 1.6fr) auto; min-height: 84px; padding: 16px 0; border: 0; border-bottom: 1px solid var(--line); border-radius: 0; background: transparent; }
.user-row:last-child { border-bottom: 0; }
.user-row.is-disabled { opacity: .68; }
.user-identity { display: flex !important; align-items: center; gap: 12px !important; }
.user-identity > span:last-child { display: grid; gap: 3px; }
.user-identity small { color: var(--muted); }
.user-actions { display: flex; align-items: center; justify-content: flex-end; gap: 7px; }
.icon-action { display: grid; place-items: center; width: 42px; min-width: 42px; height: 42px; min-height: 42px; padding: 0; border: 1px solid var(--line); border-radius: 10px; color: var(--ink); background: var(--panel-strong); box-shadow: none; }
.icon-action svg { width: 19px; height: 19px; fill: none; stroke: currentColor; stroke-width: 1.9; stroke-linecap: round; stroke-linejoin: round; }
.icon-action:hover:not(:disabled) { transform: none; border-color: color-mix(in srgb, var(--accent) 38%, var(--line)); background: color-mix(in srgb, var(--accent) 8%, var(--panel-strong)); }
.icon-action:disabled,
.icon-action:disabled:hover { transform: none; border-color: var(--line); color: var(--muted); background: var(--panel-strong); box-shadow: none; cursor: not-allowed; }
.icon-danger { color: var(--danger); }
.icon-danger:hover:not(:disabled) { border-color: color-mix(in srgb, var(--danger) 48%, var(--line)); background: color-mix(in srgb, var(--danger) 10%, var(--panel-strong)); }
.permission-tags .tag { color: var(--ink); background: var(--panel-strong); }
.dialog-heading { display: flex; align-items: flex-start; justify-content: space-between; gap: 20px; }
.dialog-heading h2 { margin: 4px 0 0; font-size: 1.35rem; }
.dialog-close {
  width: 30px;
  min-width: 30px;
  height: 30px;
  min-height: 30px;
  padding: 0;
  border-radius: 8px;
  font-size: 1.1rem;
  line-height: 1;
}
.user-form { max-height: min(820px, calc(100vh - 40px)); overflow-y: auto; gap: var(--space-3); padding: 26px; }
.user-form label > small { color: var(--muted); font-size: .72rem; font-weight: 600; }
.user-form fieldset { padding: 0; }
.user-form legend { padding: 0; color: var(--muted); font-size: .78rem; font-weight: 800; letter-spacing: .05em; text-transform: uppercase; }
.form-field { display: grid; gap: var(--field-label-gap); min-width: 0; }
.form-field > label { margin: 0; }
.field-label-row { display: flex; align-items: baseline; justify-content: space-between; gap: 10px; }
.field-label-row label { margin: 0; }
.field-label-row small { color: var(--muted); font-size: .72rem; font-weight: 600; }
.choice-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 9px; }
.choice-card { display: flex !important; align-items: center; gap: 11px !important; min-width: 0; padding: 11px 12px; border: 1px solid var(--line); border-radius: 10px; background: color-mix(in srgb, var(--panel-strong) 45%, transparent); cursor: pointer; }
.choice-card:has(input:checked) { border-color: color-mix(in srgb, var(--accent) 60%, var(--line)); background: color-mix(in srgb, var(--accent) 10%, var(--panel)); }
.choice-card input, .listener-grid input { flex: 0 0 auto; width: 18px !important; height: 18px !important; min-height: 0 !important; margin: 0; padding: 0; }
.user-form input[type="checkbox"] { accent-color: var(--accent); }
.user-form .danger-choice input[type="checkbox"] { accent-color: #d92d20; }
.choice-card span { display: grid; gap: 2px; min-width: 0; }
.choice-card small { color: var(--muted); font-size: .72rem; line-height: 1.25; }
.listener-grid { display: grid; grid-template-columns: 1fr; gap: 4px; max-height: 240px; overflow-y: auto; padding: 2px; }
.listener-grid label { display: flex; align-items: center; gap: 8px; min-width: 0; padding: 7px 4px; font-size: .82rem; cursor: pointer; }
.access-help { margin: -4px 0 12px; color: var(--muted); font-size: .78rem; line-height: 1.4; }
.access-section-heading { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 10px; }
.access-section-heading .access-help { margin: 0; }
.compact-actions { display: flex; gap: 6px; }
.compact-actions button { width: auto; min-height: 30px; padding: 0 9px; font-size: .72rem; }
.listener-grid { gap: 7px; }
.listener-grid .listener-choice { padding: 9px 10px; border: 1px solid var(--line); border-radius: 9px; background: color-mix(in srgb, var(--panel-strong) 38%, transparent); }
.listener-grid .listener-choice:has(input:checked) { border-color: color-mix(in srgb, var(--accent) 48%, var(--line)); background: color-mix(in srgb, var(--accent) 8%, var(--panel)); }
.listener-choice span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.sensitive-choice { max-width: none; }

/* Minimal hierarchical permission editor */
.tools-access-section { padding: 0 !important; border: 0 !important; border-radius: 0 !important; }
.permission-stack { display: grid; gap: 8px; }
.permission-group { display: grid; gap: 0; }
.tool-choice { width: 100%; min-height: 56px; padding: 11px 12px; background: transparent; }
.tool-choice:has(input:checked) { background: color-mix(in srgb, var(--accent) 7%, transparent); }
.nested-access { position: relative; display: grid; gap: 8px; margin: 0 8px 6px 24px; padding: 10px 0 8px 16px; border-left: 1px solid color-mix(in srgb, var(--accent) 44%, var(--line)); }
.nested-access[hidden] { display: none; }
.nested-access-heading { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.nested-access-heading > div:first-child { display: grid; gap: 2px; }
.nested-access-heading strong { font-size: .8rem; }
.nested-access-heading small { color: var(--muted); font-size: .72rem; }
.nested-access .listener-grid { grid-template-columns: 1fr; max-height: 240px; gap: 3px; padding-right: 4px; }
.nested-access .listener-choice { min-height: 36px; padding: 7px 9px; border: 0; border-radius: 7px; background: transparent; }
.nested-access .listener-choice:hover { background: color-mix(in srgb, var(--panel-strong) 70%, transparent); }
.nested-access .listener-choice:has(input:checked) { border: 0; background: color-mix(in srgb, var(--accent) 9%, transparent); }
.nested-access .sensitive-choice { min-height: 52px; padding: 10px 12px; border-style: dashed; background: transparent; }
.tools-access-section > .access-help { margin: 6px 0 12px; }

@media (max-width: 700px) {
  .nested-access { margin-left: 15px; padding-left: 12px; }
  .nested-access .listener-grid { grid-template-columns: 1fr; }
  .nested-access-heading { align-items: flex-start; flex-direction: column; }
}
.danger-choice { border-color: var(--line); }
.danger-choice:has(input:checked) { border-color: color-mix(in srgb, #d92d20 68%, var(--line)); background: color-mix(in srgb, #d92d20 11%, var(--panel)); }
.login-theme-toggle { position: fixed; top: 20px; right: 20px; z-index: 2; }

@media (max-width: 980px) {
  .site-header { padding-inline: 12px; }
  .nav-group-label, .account-trigger-copy { display: none; }
  .site-nav { max-width: min(52vw, 500px); overflow-x: auto; }
  .admin-nav-link { padding-inline: 8px; }
  .user-row { grid-template-columns: minmax(200px, 1fr) 1.4fr auto; padding-inline: 0; }
}

@media (max-width: 700px) {
  .brand-mark { display: none; }
  .brand { padding-right: 2px; }
  .header-actions { gap: 6px; }
  .site-nav { max-width: calc(100vw - 154px); gap: 2px; }
  .site-nav a { padding-inline: 8px; font-size: .78rem; }
  .admin-nav-link { display: none; }
  .theme-toggle { width: 34px; min-width: 34px; height: 34px; }
  .admin-heading { align-items: stretch; flex-direction: column; padding: 8px 0 20px; }
  .admin-summary { padding-inline: 0; }
  .user-row { grid-template-columns: 1fr; gap: 12px; padding: 16px 0; }
  .user-actions { justify-content: flex-start; }
  .choice-grid, .listener-grid, .form-grid.two-up { grid-template-columns: 1fr; }
  .listener-grid { max-height: 190px; }
}

/* Classic liquid-glass header */
.g10-raw-panel > summary > span { display: inline-grid; gap: 3px; }
.g10-raw-content { margin-top: var(--space-4); }

.site-header {
  background: color-mix(in srgb, var(--header-bg) 86%, transparent 14%);
  box-shadow: 0 1px 0 color-mix(in srgb, #fff 7%, transparent), 0 12px 36px rgba(0, 0, 0, .12);
  backdrop-filter: blur(26px) saturate(170%);
  -webkit-backdrop-filter: blur(26px) saturate(170%);
}
.header-actions { gap: 16px; }
.site-nav { gap: 24px; max-width: none; overflow: visible; padding: 0; border: 0; border-radius: 0; background: transparent; }
.site-nav a { min-height: 40px; padding: 0; border-radius: 0; color: var(--muted); font-size: .92rem; background: transparent; }
.site-nav a:hover, .site-nav a[aria-current="page"] { color: var(--ink); background: transparent; }
.account-actions { flex: 0 0 auto; }
.account-trigger { display: grid; place-items: center; width: 42px; min-width: 42px; height: 42px; min-height: 42px; padding: 0; border: 1px solid var(--glass-line); border-radius: 999px; background: color-mix(in srgb, var(--surface) 22%, transparent 78%); box-shadow: inset 0 1px 0 color-mix(in srgb, #fff 16%, transparent), 0 8px 26px rgba(0, 0, 0, .1); backdrop-filter: blur(22px) saturate(170%); -webkit-backdrop-filter: blur(22px) saturate(170%); }
.account-trigger:hover { border-color: color-mix(in srgb, var(--accent) 45%, var(--glass-line)); background: color-mix(in srgb, var(--surface) 40%, transparent 60%); }
.account-trigger .account-avatar { width: 30px; height: 30px; border-radius: 999px; }
.account-popover { top: calc(100% + 12px); width: 224px; padding: 8px; border-color: color-mix(in srgb, #fff 10%, var(--glass-line)); background: color-mix(in srgb, var(--panel-strong) 90%, transparent 10%); box-shadow: 0 22px 60px rgba(0, 0, 0, .28), inset 0 1px 0 color-mix(in srgb, #fff 9%, transparent); backdrop-filter: blur(28px) saturate(170%); -webkit-backdrop-filter: blur(28px) saturate(170%); }
.account-menu-identity { display: flex; align-items: center; gap: 10px; padding: 8px; }
.account-menu-identity > span:last-child { display: grid; min-width: 0; }
.account-menu-identity strong { overflow: hidden; color: var(--ink); font-size: .84rem; text-overflow: ellipsis; white-space: nowrap; }
.account-menu-identity small { color: var(--muted); font-size: .72rem; }
.menu-icon { display: inline-grid; place-items: center; width: 22px; color: var(--muted); font-size: 1rem; }

@media (max-width: 1180px) {
  .site-header { padding-inline: 12px; }
  .brand-mark { display: block; }
  .brand { padding-right: 6px; }
  .header-actions { gap: 9px; }
  .nav-toggle { display: inline-grid; place-items: center; width: 38px; min-width: 38px; height: 38px; min-height: 38px; padding: 0; border-color: var(--glass-line); border-radius: 10px; background: color-mix(in srgb, var(--surface) 22%, transparent 78%); }
  .nav-toggle svg { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; }
  .site-nav { position: absolute; top: calc(100% + 8px); right: 12px; display: grid; width: min(280px, calc(100vw - 24px)); gap: 4px; max-width: none; padding: 8px; border: 1px solid var(--glass-line); border-radius: 12px; background: color-mix(in srgb, var(--panel-strong) 94%, transparent 6%); box-shadow: 0 20px 55px rgba(0, 0, 0, .28); opacity: 0; visibility: hidden; pointer-events: none; transform: translateY(-6px); transition: opacity .16s ease, transform .16s ease, visibility .16s ease; backdrop-filter: blur(26px) saturate(170%); -webkit-backdrop-filter: blur(26px) saturate(170%); }
  .site-header.nav-open .site-nav { opacity: 1; visibility: visible; pointer-events: auto; transform: translateY(0); }
  .site-nav a { min-height: 42px; padding: 0 12px; border-radius: 8px; font-size: .86rem; white-space: nowrap; }
  .site-nav a:hover, .site-nav a[aria-current="page"] { background: color-mix(in srgb, var(--accent) 10%, transparent); }
  .account-trigger { width: 38px; min-width: 38px; height: 38px; min-height: 38px; }
  .account-trigger .account-avatar { width: 28px; height: 28px; }
}

@media (max-width: 390px) {
  .brand { gap: 7px; padding-left: 2px; }
  .brand-icon { width: 28px; height: 28px; }
  .brand-mark { font-size: .82rem; }
}