/*
 * Design tokens (roadmap D1). Every screen styles itself from these rather than from literal values, so
 * a later theme or a contrast fix is one edit here. Dark is the default because a sanctuary is usually
 * dim and the operator's screen should not be the brightest thing in it; a device set to light gets the
 * light set. Both sets keep body text at 4.5:1 or better against their surfaces.
 */
:root {
  color-scheme: dark light;
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
  --font-size-0: 0.875rem;
  --font-size-1: 1rem;
  --font-size-2: 1.25rem;
  --font-size-3: 1.5rem;
  --font-size-4: 2rem;
  --radius: 6px;
  --motion-feedback: 120ms;
  --motion-panel: 180ms;
  --motion-max: 240ms;
  --color-surface: #0b0b0f;
  --color-surface-raised: #1a1a22;
  --color-text: #f5f5f7;
  --color-text-muted: #b4b4be;
  --color-accent: #8ab4ff;
  --color-accent-text: #0b0b0f;
  --color-danger: #ff8a8a;
  --color-border: #3a3a46;
  --color-warning: #FBBF24;
  --color-complete: #4ADE80;
  --color-offline: #38BDF8;
  --font-tamil: "Noto Sans Tamil", "Tamil MN", "Tamil Sangam MN", "Latha", "Nirmala UI", sans-serif;
  --font-latin: system-ui, sans-serif;
  --focus-ring: 2px solid var(--color-accent);
}
@media (prefers-color-scheme: light) {
  :root {
    --color-surface: #ffffff;
    --color-surface-raised: #f2f2f6;
    --color-text: #16161c;
    --color-text-muted: #55555f;
    --color-accent: #1f56c7;
    --color-accent-text: #ffffff;
    --color-danger: #b3261e;
    --color-border: #c8c8d2;
    --color-warning: #92400E;
    --color-complete: #166534;
    --color-offline: #075985;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font: 1rem/1.5 system-ui, sans-serif;
  display: block;
  overflow-wrap: anywhere;
  background: var(--color-surface);
  color: var(--color-text);
}
#app { display: flex; flex-direction: column; block-size: 100dvh; }
main { flex: 1; min-inline-size: 0; min-block-size: 0; max-inline-size: 40rem; padding: var(--space-6); overflow-y: auto; }
button { font: inherit; max-inline-size: 100%; }
a { color: currentColor; }
:focus-visible { outline: var(--focus-ring); outline-offset: 2px; }

.workspace { display: grid; gap: 16px; }
.workspace-panel { display: none; min-inline-size: 0; }
#order,
.workspace-panel:target,
.workspace-panel:has(:target) { display: block; }

.workspace-tabs {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  position: sticky;
  inset-block-end: 0;
  background: var(--color-surface);
  padding: 4px;
  padding-block-end: max(4px, env(safe-area-inset-bottom));
}
.workspace-tabs a { display: flex; align-items: center; justify-content: center; text-align: center; }
body:not(:has(.workspace-panel:target, .workspace-panel :target)) .workspace-tabs a[href="#order"],
body:has(#order:target, #order :target) .workspace-tabs a[href="#order"],
body:has(#editor-preview:target, #editor-preview :target) .workspace-tabs a[href="#editor-preview"],
body:has(#library:target) .workspace-tabs a[href="#library"],
body:has(#properties:target, #properties :target) .workspace-tabs a[href="#properties"] {
  font-weight: bold;
}

#preview-row:not([hidden]),
.live-actions { display: grid; grid-template-columns: minmax(0, 1fr); gap: 16px; }
#preview-row > span { min-inline-size: 0; }
.skip-links ul { display: flex; flex-wrap: wrap; gap: 16px; list-style: none; padding: 0; }

.service-workspace { display: grid; gap: 16px; }
.service-workspace-tabs {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  position: sticky;
  bottom: 0;
  background: var(--color-surface);
  padding: 4px;
  padding-bottom: max(4px, env(safe-area-inset-bottom));
}

@media (min-width: 1200px) {
  .service-workspace { grid-template-columns: 264px minmax(480px, 1fr) 336px; align-items: start; }
}

.order-panel { display: grid; gap: var(--space-4); }
.order-panel-header { display: flex; justify-content: flex-end; }
.bulk-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
  position: sticky;
  bottom: 0;
  background: var(--color-surface-raised);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--space-2);
}
.order-section { display: grid; gap: var(--space-2); }
.order-section-header { display: flex; align-items: center; gap: var(--space-2); }
.order-item { display: flex; align-items: center; gap: var(--space-2); position: relative; }
.order-item-actions { position: relative; margin-inline-start: auto; }
.is-disabled { color: var(--color-text-muted); }
.order-item-pending {
  inline-size: 12px;
  block-size: 12px;
  border-radius: 50%;
  border: 2px solid var(--color-border);
  border-top-color: var(--color-accent);
  animation: order-item-pending-spin var(--motion-max) linear infinite;
}
@keyframes order-item-pending-spin {
  to { transform: rotate(360deg); }
}

@media (width < 1200px) {
  .workspace:has(> .workspace-panel:not(#order):target, > .workspace-panel:not(#order) :target) > #order {
    display: none;
  }
}

@media (min-width: 1200px) {
  #app { block-size: auto; }
  main { overflow: visible; }
  main:has(.workspace) { max-inline-size: none; }
  .workspace { grid-template-columns: 264px minmax(480px, 1fr) 336px; align-items: start; }
  .workspace > :is(#order, #editor-preview, #properties) { display: block; }
  .workspace > #library,
  .workspace-tabs { display: none; }
  .live-actions { grid-template-columns: repeat(2, minmax(96px, 1fr)); }
}

.visually-hidden {
  position: absolute;
  inline-size: 1px;
  block-size: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.table-scroll { overflow-x: auto; }
.workspace-main { max-width: none; }
.users-table { inline-size: 100%; border-collapse: collapse; }
.users-table th,
.users-table td { padding: var(--space-2); border-block-end: 1px solid var(--color-border); text-align: start; }
.form-field { margin-block-end: var(--space-3); }
.form-error { color: var(--color-danger); }

/* Off-screen until focused, so a sighted keyboard user sees the link land exactly where Tab put it. */
.skip-link {
  position: absolute;
  inset-inline-start: -9999px;
  inset-block-start: 0;
}
.skip-link:focus {
  position: static;
  display: inline-block;
  z-index: 1;
}

/* WCAG-style touch target minimums: 44px generally, 56px for the live transport (spec 9.5, LIVE-07). */
button, a { min-inline-size: 44px; min-block-size: 44px; }
#live-controls button { min-inline-size: 96px; min-block-size: 56px; }

/* The navigation shell (SHELL-03). Wraps on a phone rather than hiding anything behind a menu button:
   three sections fit, and a menu would add a step to every navigation. */
.app-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2) var(--space-4);
  padding: var(--space-2) var(--space-4);
  background: var(--color-surface-raised);
  border-block-end: 1px solid var(--color-border);
}
.app-name { margin: 0; font-weight: 700; font-size: var(--font-size-2); }
.app-account { margin: 0; margin-inline-start: auto; display: flex; flex-wrap: wrap; gap: var(--space-2); color: var(--color-text-muted); }
.qr-code { display: block; inline-size: min(16rem, 100%); block-size: auto; }
.app-account-menu { position: relative; }
.app-account-menu > ul {
  position: absolute;
  inset-inline-end: 0;
  z-index: 10;
  display: grid;
  gap: var(--space-2);
  min-inline-size: max-content;
  margin: var(--space-2) 0 0;
  padding: var(--space-3);
  list-style: none;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
}
.app-role {
  padding: 0 var(--space-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
}
.notification-bell { position: relative; }
.notification-bell > summary { cursor: pointer; }
.notification-bell-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-inline-size: 1.25rem;
  padding: 0 var(--space-1);
  margin-inline-start: var(--space-1);
  border-radius: 999px;
  background: var(--color-accent);
  color: var(--color-accent-text);
  font-size: var(--font-size-0);
}
.notification-bell-panel {
  position: absolute;
  inset-inline-end: 0;
  z-index: 10;
  display: grid;
  gap: var(--space-2);
  min-inline-size: max-content;
  max-inline-size: min(24rem, 90vw);
  margin: var(--space-2) 0 0;
  padding: var(--space-3);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
}
.notification-bell-panel ul { display: grid; gap: var(--space-2); margin: 0; padding: 0; list-style: none; }
.notification-bell-panel li { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-2); }
.app-nav ul {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin: 0;
  padding: var(--space-2) var(--space-4);
  list-style: none;
  border-block-end: 1px solid var(--color-border);
}
.app-nav a { display: inline-flex; align-items: center; padding: 0 var(--space-3); border-radius: var(--radius); }
.app-nav a[aria-current="page"] { background: var(--color-accent); color: var(--color-accent-text); }
.app-nav a[aria-disabled="true"] { color: var(--color-text-muted); cursor: not-allowed; }

/* An output window is a projector surface: the whole window, nothing else, in the theme the run names for
   it (LIVE-09; `live/surface-theme.ts` sets the three colours, the surface's own default until the run names
   one). Only a screen with no live state (sign-in, offline, ended) carries none and falls back to light on black. */
.output-surface { position: fixed; inset: 0; background: var(--theme-background, #000); color: var(--theme-foreground, #fff); }
.output-surface :focus-visible { outline-color: var(--theme-accent, currentColor); }
/* A move between frames (LOF-08): the incoming frame on its own layer over the outgoing one, which only
   starts leaving once the incoming one is drawn. Reduced motion cuts (the rule below stops every animation). */
.audience-layer { position: absolute; inset: 0; }
.audience-output[data-transition="fade"] [data-transition-layer="incoming"],
.audience-output[data-transition="crossfade"] [data-transition-layer="incoming"] { animation: audience-fade-in var(--transition-ms) ease-out both; }
.audience-output[data-transition="crossfade"] [data-transition-layer="outgoing"] { animation: audience-fade-out var(--transition-ms) ease-in both; }
.audience-output[data-transition="push"] [data-transition-layer="incoming"] { animation: audience-push-in var(--transition-ms) ease-out both; }
.audience-output[data-transition="push"] [data-transition-layer="outgoing"] { animation: audience-push-out var(--transition-ms) ease-out both; }
@keyframes audience-fade-in { from { opacity: 0; } to { opacity: 1; } }
@keyframes audience-fade-out { from { opacity: 1; } to { opacity: 0; } }
@keyframes audience-push-in { from { transform: translateX(100%); } to { transform: none; } }
@keyframes audience-push-out { from { transform: none; } to { transform: translateX(-100%); } }
/* A cue keeps its own line breaks, and each box of one language starts its own line (LOF-02). */
.stage-current-text, .stage-next-text, .singer-current-text { white-space: pre-line; }
/* The picture a slide with no words shows on Stage and Singer (LOF-06): a glance, never the whole screen. */
.stage-still, .singer-still { display: block; max-inline-size: 100%; max-block-size: 40vh; object-fit: contain; }

/* Session and release interruptions sit above the current page without discarding its work. */
.expiry-banner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2) var(--space-4);
  padding: var(--space-3) var(--space-4);
  background: var(--color-surface-raised);
  border: 1px solid var(--color-border);
}
.expiry-banner p { margin: 0; }
.modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 1;
  display: grid;
  place-items: center;
  padding: var(--space-4);
  background: color-mix(in srgb, var(--color-surface) 75%, transparent);
}
[role="alertdialog"] {
  inline-size: 100%;
  max-inline-size: 32rem;
  padding: var(--space-5);
  background: var(--color-surface-raised);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
}

/* A clipped label always travels with its disclosure control: ellipsis is a compact default, never the
   only route to the full value. Expansion restores ordinary wrapping in the same place so revealing a
   long name neither depends on hover nor moves focus to a separate surface. */
.truncated-text { display: inline-grid; min-inline-size: 0; max-inline-size: 100%; }
.truncated-text-content {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.truncated-text-content-expanded {
  overflow: visible;
  overflow-wrap: anywhere;
  white-space: normal;
}
.truncated-text-toggle { display: inline-flex; margin-block-start: var(--space-1); }

/* Narrow controls grow vertically instead of hiding translated or user-provided text. The minimum is
   repeated inside the query because this is the contract that must survive any wider-screen restyle. */
@media (max-width: 767px) {
  button,
  nav a {
    min-block-size: 44px;
    overflow: visible;
    overflow-wrap: anywhere;
    white-space: normal;
  }
}

/* Reduced motion keeps every state change visible immediately while removing the movement that would
   carry it there. Applying the override to generated content too prevents a later decorative loop or
   panel transform from escaping the preference merely because it lives on a pseudo-element. */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
    transform: none !important;
  }
}

.canvas-toolbar, .canvas-zoom { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.canvas-viewport { overflow: auto; max-inline-size: 100%; }
.canvas-slide { position: relative; overflow: hidden; direction: ltr; }
.canvas-box { position: absolute; box-sizing: border-box; outline: 1px dashed rgb(255 255 255 / 40%); color: #fff; cursor: move; touch-action: none; }
.canvas-box[aria-pressed="true"] { outline: 2px solid Highlight; }
.canvas-box:focus-visible { outline: 3px solid Highlight; outline-offset: 2px; }
.canvas-box[aria-disabled="true"] { cursor: default; }
.canvas-box > span { display: block; overflow: hidden; block-size: 100%; }
.canvas-box > img { inline-size: 100%; block-size: 100%; }
.canvas-handle { position: absolute; inline-size: 12px; block-size: 12px; background: Highlight; touch-action: none; }
.canvas-handle-nw, .canvas-handle-n, .canvas-handle-ne { inset-block-start: -6px; }
.canvas-handle-sw, .canvas-handle-s, .canvas-handle-se { inset-block-end: -6px; }
.canvas-handle-nw, .canvas-handle-w, .canvas-handle-sw { inset-inline-start: -6px; }
.canvas-handle-ne, .canvas-handle-e, .canvas-handle-se { inset-inline-end: -6px; }
.canvas-handle-n, .canvas-handle-s { inset-inline-start: calc(50% - 6px); cursor: ns-resize; }
.canvas-handle-e, .canvas-handle-w { inset-block-start: calc(50% - 6px); cursor: ew-resize; }
.canvas-handle-nw, .canvas-handle-se { cursor: nwse-resize; }
.canvas-handle-ne, .canvas-handle-sw { cursor: nesw-resize; }
.canvas-inline-text { position: absolute; box-sizing: border-box; z-index: 10000; }
.truncate { display: inline-block; max-inline-size: 100%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; vertical-align: bottom; }
.media-list { list-style: none; margin: 0; padding: 0; }
.media-row { display: flex; gap: 8px; align-items: center; padding-block: 4px; padding-inline: 8px; cursor: pointer; }
.media-row[aria-selected="true"] { outline: 2px solid Highlight; }
.media-row[aria-disabled="true"] { cursor: not-allowed; }
.media-row:focus-visible { outline: 3px solid Highlight; outline-offset: 2px; }
.media-name { flex: 1; min-inline-size: 0; }
.media-row[aria-pressed="true"] { outline: 2px solid Highlight; }
.media-library .media-row { inline-size: 100%; text-align: start; }
.drop-zone { display: block; padding-block: 24px; padding-inline: 16px; border: 2px dashed currentColor; border-radius: 8px; text-align: center; }
.drop-zone.over { outline: 3px solid Highlight; }
.drop-zone input { display: block; margin-block-start: 8px; margin-inline: auto; }
.media-inspect dl { display: grid; grid-template-columns: max-content minmax(0, 1fr); gap: 4px 12px; }
.media-inspect dd { margin: 0; min-inline-size: 0; }