/* ==========================================================================
   RC Ops design system
   Tokens -> primitives (buttons, inputs, badges, cards, tables) -> layout
   (app shell, sidebar) -> page-specific blocks (dashboard, viewer, auth).
   ========================================================================== */

:root {
  color-scheme: light;

  /* Surfaces */
  --bg: #f4f5f7;
  --surface: #ffffff;
  --surface-sunken: #f8f9fb;
  --border: #e2e5eb;
  --border-strong: #cbd0d9;

  /* Text */
  --text: #16181d;
  --text-muted: #646b78;
  --text-faint: #9aa1ad;

  /* Brand / accents */
  --accent: #2952e3;
  --accent-hover: #1f42c4;
  --accent-soft: #eaefff;
  --accent-contrast: #ffffff;

  /* Status */
  --success: #178a4c;
  --success-soft: #e2f6ea;
  --warning: #a15c00;
  --warning-soft: #fdf0dc;
  --danger: #c4281f;
  --danger-hover: #a81f18;
  --danger-soft: #fce9e7;
  --info: #2952e3;
  --info-soft: #eaefff;
  --neutral-soft: #eceef2;

  /* Chrome */
  --sidebar-bg: #14161c;
  --sidebar-bg-active: #23262f;
  --sidebar-text: #c2c6d2;
  --sidebar-text-muted: #828692;
  --sidebar-text-active: #ffffff;
  --sidebar-border: #2a2d36;

  /* Geometry */
  --radius-sm: 4px;
  --radius: 8px;
  --radius-lg: 12px;
  --shadow-sm: 0 1px 2px rgba(20, 22, 28, 0.06);
  --shadow: 0 2px 8px rgba(20, 22, 28, 0.08);
  --shadow-lg: 0 12px 32px rgba(20, 22, 28, 0.16);

  --sidebar-width: 232px;
  --topbar-height: 56px;

  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
  --space-7: 48px;

  --font: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-mono: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --bg: #0f1115;
    --surface: #16181e;
    --surface-sunken: #1b1e25;
    --border: #2a2d36;
    --border-strong: #383c47;
    --text: #eceef2;
    --text-muted: #9aa1ad;
    --text-faint: #6b7180;
    --accent: #5b7cfa;
    --accent-hover: #7691ff;
    --accent-soft: #1c2340;
    --accent-contrast: #ffffff;
    --success: #3fbc7a;
    --success-soft: #123322;
    --warning: #dd9c3f;
    --warning-soft: #3a2a0e;
    --danger: #ef5a51;
    --danger-hover: #ff756c;
    --danger-soft: #3a1917;
    --info: #5b7cfa;
    --info-soft: #1c2340;
    --neutral-soft: #22252d;
    --sidebar-bg: #0b0c10;
    --sidebar-bg-active: #1a1c23;
    --sidebar-border: #24262f;
  }
}

/* ==========================================================================
   Reset & base
   ========================================================================== */

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

h1, h2, h3 { margin: 0 0 var(--space-1); font-weight: 650; letter-spacing: -0.01em; }
h1 { font-size: 1.45rem; }
h2 { font-size: 1rem; color: var(--text); }
h3 { font-size: 0.9rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.04em; }
p { margin: 0 0 var(--space-3); }

code { font-family: var(--font-mono); }

::selection { background: var(--accent-soft); }

/* ==========================================================================
   App shell: sidebar + topbar
   ========================================================================== */

.app-shell { display: flex; min-height: 100vh; }

.sidebar {
  width: var(--sidebar-width);
  flex-shrink: 0;
  background: var(--sidebar-bg);
  color: var(--sidebar-text);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  z-index: 40;
  transition: transform 0.18s ease;
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0 var(--space-5);
  height: var(--topbar-height);
  border-bottom: 1px solid var(--sidebar-border);
  flex-shrink: 0;
}
.sidebar-brand .mark {
  width: 26px; height: 26px; border-radius: var(--radius-sm);
  background: var(--accent);
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: 0.72rem; letter-spacing: -0.02em;
}
.sidebar-brand .name { color: #fff; font-weight: 700; font-size: 0.95rem; letter-spacing: -0.01em; }

.sidebar-nav { flex: 1; overflow-y: auto; padding: var(--space-4) var(--space-3); display: flex; flex-direction: column; gap: 1px; }
.sidebar-section-label { font-size: 0.68rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--sidebar-text-muted); padding: var(--space-3) var(--space-3) var(--space-1); }

.sidebar-link {
  display: flex; align-items: center; gap: var(--space-3);
  padding: 0.5rem var(--space-3);
  border-radius: var(--radius-sm);
  color: var(--sidebar-text);
  font-size: 0.87rem; font-weight: 500;
  text-decoration: none;
}
.sidebar-link:hover { background: var(--sidebar-bg-active); color: var(--sidebar-text-active); text-decoration: none; }
.sidebar-link.active { background: var(--sidebar-bg-active); color: var(--sidebar-text-active); }
.sidebar-link.active::before { content: ""; }
.sidebar-link .icon { width: 17px; height: 17px; flex-shrink: 0; display: inline-flex; opacity: 0.85; }
.sidebar-link svg { width: 100%; height: 100%; }

.sidebar-footer { padding: var(--space-3); border-top: 1px solid var(--sidebar-border); }

.sidebar-toggle { display: none; }
.sidebar-scrim { display: none; }

.app-main { flex: 1; margin-left: var(--sidebar-width); min-width: 0; display: flex; flex-direction: column; }

.topbar {
  height: var(--topbar-height);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: 0 var(--space-5);
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 30;
}
.topbar-title { font-weight: 650; font-size: 0.95rem; flex: 1; min-width: 0; }
.topbar-menu-btn { display: none; }

.topbar-notif {
  width: 32px; height: 32px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: var(--text-muted);
  background: transparent;
  border: 1px solid transparent;
}
.topbar-notif:hover { background: var(--surface-sunken); color: var(--text); }
.topbar-notif svg { width: 17px; height: 17px; }

.topbar-user { display: flex; align-items: center; gap: var(--space-3); }
.topbar-user-info { text-align: right; line-height: 1.25; }
.topbar-user-name { font-weight: 600; font-size: 0.83rem; }
.topbar-user-role { font-size: 0.72rem; color: var(--text-muted); text-transform: capitalize; }
.topbar-avatar {
  width: 30px; height: 30px; border-radius: 50%;
  background: var(--accent-soft); color: var(--accent);
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 0.78rem; flex-shrink: 0;
}
.logout-form { display: flex; align-items: center; }
.logout-form button {
  background: transparent; color: var(--text-muted); border: 1px solid var(--border);
  padding: 0.4rem 0.7rem; font-size: 0.8rem; font-weight: 600;
}
.logout-form button:hover { background: var(--surface-sunken); color: var(--text); opacity: 1; }

.page { padding: var(--space-5); max-width: 1320px; width: 100%; margin: 0 auto; }

.page-header { display: flex; align-items: flex-start; justify-content: space-between; gap: var(--space-4); margin-bottom: var(--space-5); flex-wrap: wrap; }
.page-header h1 { margin-bottom: 2px; }
.page-header .subtitle { color: var(--text-muted); font-size: 0.88rem; margin: 0; }
.page-header-actions { display: flex; gap: var(--space-2); flex-shrink: 0; }

/* Full-bleed pages that don't use .page (login/connect/viewer) */
.bare-body { background: var(--bg); }

/* ==========================================================================
   Buttons
   ========================================================================== */

button, .btn {
  display: inline-flex; align-items: center; justify-content: center; gap: var(--space-2);
  background: var(--accent); color: var(--accent-contrast);
  border: 1px solid var(--accent);
  padding: 0.5rem 0.9rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 0.85rem;
  font-weight: 600;
  font-family: inherit;
  line-height: 1.2;
  white-space: nowrap;
  transition: background 0.12s ease, border-color 0.12s ease;
}
button:hover, .btn:hover { background: var(--accent-hover); border-color: var(--accent-hover); text-decoration: none; }
button:disabled, .btn:disabled { opacity: 0.5; cursor: not-allowed; }

button.secondary, .btn.secondary { background: var(--surface); color: var(--text); border-color: var(--border-strong); }
button.secondary:hover, .btn.secondary:hover { background: var(--surface-sunken); }

button.danger, .btn.danger { background: var(--danger); border-color: var(--danger); }
button.danger:hover, .btn.danger:hover { background: var(--danger-hover); border-color: var(--danger-hover); }

button.ghost, .btn.ghost { background: transparent; color: var(--text-muted); border-color: transparent; }
button.ghost:hover, .btn.ghost:hover { background: var(--surface-sunken); color: var(--text); }

.btn.sm, button.sm { padding: 0.32rem 0.6rem; font-size: 0.78rem; }
.btn-row { display: flex; gap: var(--space-2); flex-wrap: wrap; align-items: center; }

form.inline { display: inline; }

/* ==========================================================================
   Forms
   ========================================================================== */

label { display: block; font-size: 0.82rem; font-weight: 600; margin: 0 0 var(--space-1); color: var(--text); }
label .req { color: var(--danger); }
.field { margin-bottom: var(--space-4); }
.field-hint { font-size: 0.78rem; color: var(--text-muted); margin-top: var(--space-1); }
.field-error { font-size: 0.78rem; color: var(--danger); margin-top: var(--space-1); }

input, select, textarea {
  padding: 0.5rem 0.65rem;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  font-size: 0.87rem;
  font-family: inherit;
  width: 100%;
  max-width: 380px;
  background: var(--surface);
  color: var(--text);
}
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}
input::placeholder { color: var(--text-faint); }

.form-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 0 var(--space-4); max-width: 760px; }

.layout-2col { display: grid; grid-template-columns: 1.4fr 1fr; gap: var(--space-5); align-items: start; }
@media (max-width: 900px) { .layout-2col { grid-template-columns: 1fr; } }

.toolbar {
  display: flex; align-items: center; gap: var(--space-3); flex-wrap: wrap;
  margin-bottom: var(--space-4);
}
.toolbar input[type="search"], .toolbar .search-input { max-width: 280px; }
.toolbar select { max-width: 180px; width: auto; }
.search-wrap { position: relative; max-width: 280px; width: 100%; }
.search-wrap svg { position: absolute; left: 10px; top: 50%; transform: translateY(-50%); width: 15px; height: 15px; color: var(--text-faint); pointer-events: none; }
.search-wrap input { padding-left: 32px; max-width: none; }

/* ==========================================================================
   Cards / sections
   ========================================================================== */

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  margin-bottom: var(--space-5);
}
.card-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: var(--space-4); gap: var(--space-3); }
.card-header h2 { margin: 0; }
.card > h2:first-child, .card > .card-header:first-child { margin-top: 0; }

.section { margin-bottom: var(--space-6); }
.section-title { display: flex; align-items: baseline; justify-content: space-between; margin-bottom: var(--space-3); }
.section-title h2 { font-size: 1.02rem; }
.section-title .link { font-size: 0.82rem; font-weight: 600; }

/* ==========================================================================
   Metric / stat cards
   ========================================================================== */

.metric-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: var(--space-4); margin-bottom: var(--space-6); }

.metric-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-4) var(--space-5);
}
.metric-card-top { display: flex; align-items: center; justify-content: space-between; margin-bottom: var(--space-3); }
.metric-icon {
  width: 34px; height: 34px; border-radius: var(--radius);
  background: var(--accent-soft); color: var(--accent);
  display: flex; align-items: center; justify-content: center;
}
.metric-icon svg { width: 18px; height: 18px; }
.metric-label { font-size: 0.76rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.05em; color: var(--text-muted); }
.metric-value { font-size: 1.9rem; font-weight: 700; letter-spacing: -0.02em; line-height: 1; margin-bottom: var(--space-2); }
.metric-desc { font-size: 0.8rem; color: var(--text-muted); }
.metric-breakdown { display: flex; flex-direction: column; gap: 3px; margin-top: var(--space-3); padding-top: var(--space-3); border-top: 1px solid var(--border); }
.metric-breakdown-row { display: flex; align-items: center; gap: var(--space-2); font-size: 0.78rem; color: var(--text-muted); }
.metric-breakdown-row .n { margin-left: auto; font-weight: 600; color: var(--text); }

/* ==========================================================================
   Status dots & badges
   ========================================================================== */

.dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0; }
.dot.success { background: var(--success); }
.dot.warning { background: var(--warning); }
.dot.danger { background: var(--danger); }
.dot.info { background: var(--info); }
.dot.neutral { background: var(--text-faint); }

.badge {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  font-size: 0.71rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  background: var(--neutral-soft); color: var(--text-muted);
  white-space: nowrap;
}
.badge .dot { width: 6px; height: 6px; }

.badge.tone-success { background: var(--success-soft); color: var(--success); }
.badge.tone-danger { background: var(--danger-soft); color: var(--danger); }
.badge.tone-warning { background: var(--warning-soft); color: var(--warning); }
.badge.tone-info { background: var(--info-soft); color: var(--info); }
.badge.tone-neutral { background: var(--neutral-soft); color: var(--text-muted); }

/* Entity status -> tone mapping */
.badge.status-ACTIVE, .badge.status-ONLINE { background: var(--success-soft); color: var(--success); }
.badge.status-DISABLED, .badge.status-OFFLINE, .badge.status-REVOKED, .badge.status-EXPIRED, .badge.status-ABANDONED { background: var(--danger-soft); color: var(--danger); }
.badge.status-ENDED, .badge.status-ARCHIVED { background: var(--neutral-soft); color: var(--text-muted); }
.badge.status-PENDING, .badge.status-CREATED, .badge.status-WAITING_FOR_CLIENT, .badge.status-CLIENT_CONNECTED, .badge.status-ASSIGNED, .badge.status-AGENT_CONNECTED, .badge.status-PAUSED { background: var(--warning-soft); color: var(--warning); }

/* ==========================================================================
   Tables
   ========================================================================== */

.table-wrap { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg); overflow: hidden; }
.table-scroll { overflow-x: auto; }

table { width: 100%; border-collapse: collapse; min-width: 560px; }
th, td { text-align: left; padding: 0.7rem var(--space-4); border-bottom: 1px solid var(--border); font-size: 0.85rem; vertical-align: middle; }
th { background: var(--surface-sunken); color: var(--text-muted); font-weight: 700; text-transform: uppercase; font-size: 0.7rem; letter-spacing: 0.04em; white-space: nowrap; }
tbody tr:last-child td { border-bottom: none; }
tbody tr:hover { background: var(--surface-sunken); }
td.muted, .muted { color: var(--text-muted); }
td.num { text-align: right; font-variant-numeric: tabular-nums; }
.cell-primary { font-weight: 600; color: var(--text); }
.cell-actions { display: flex; gap: var(--space-2); justify-content: flex-end; white-space: nowrap; }
.row-link { display: block; color: inherit; }
.row-link:hover { text-decoration: none; }

/* ==========================================================================
   Empty / error / notice states
   ========================================================================== */

.empty-state {
  text-align: center;
  padding: var(--space-7) var(--space-5);
  color: var(--text-muted);
}
.empty-state .icon { width: 40px; height: 40px; margin: 0 auto var(--space-3); color: var(--text-faint); }
.empty-state .icon svg { width: 100%; height: 100%; }
.empty-state h3 { text-transform: none; letter-spacing: 0; font-size: 0.95rem; color: var(--text); margin-bottom: var(--space-1); }
.empty-state p { font-size: 0.85rem; max-width: 360px; margin: 0 auto var(--space-3); }
td.empty-cell { padding: var(--space-6) var(--space-4); }

.alert { padding: 0.7rem 1rem; border-radius: var(--radius); margin-bottom: var(--space-4); font-size: 0.86rem; display: flex; gap: var(--space-2); align-items: flex-start; border: 1px solid transparent; }
.alert svg { width: 16px; height: 16px; flex-shrink: 0; margin-top: 1px; }
.alert.error, .error { background: var(--danger-soft); color: var(--danger); border-color: transparent; }
.alert.success { background: var(--success-soft); color: var(--success); }
.alert.notice, .notice { background: var(--info-soft); color: var(--info); }

.secret-reveal {
  font-family: var(--font-mono); font-size: 0.95rem;
  background: var(--sidebar-bg); color: #7ee787;
  padding: 0.85rem 1rem; border-radius: var(--radius);
  margin: var(--space-2) 0; word-break: break-all;
  display: flex; align-items: center; justify-content: space-between; gap: var(--space-3);
}
.code-reveal { font-family: var(--font-mono); font-size: 1.1rem; background: var(--sidebar-bg); color: #7ee787; padding: 0.75rem 1rem; border-radius: var(--radius); margin: 0.5rem 0; word-break: break-all; }

/* ==========================================================================
   Timeline
   ========================================================================== */

.timeline { list-style: none; margin: 0; padding: 0; }
.timeline li { display: flex; gap: var(--space-3); padding-bottom: var(--space-4); position: relative; }
.timeline li:last-child { padding-bottom: 0; }
.timeline .tl-rail { display: flex; flex-direction: column; align-items: center; flex-shrink: 0; }
.timeline .tl-dot { width: 9px; height: 9px; border-radius: 50%; background: var(--accent); margin-top: 4px; }
.timeline .tl-line { flex: 1; width: 1px; background: var(--border); margin-top: 4px; }
.timeline li:last-child .tl-line { display: none; }
.timeline .tl-body { padding-bottom: 2px; }
.timeline .tl-title { font-weight: 600; font-size: 0.86rem; }
.timeline .tl-meta { font-size: 0.76rem; color: var(--text-muted); margin-top: 1px; }

/* ==========================================================================
   Activity feed (dashboard)
   ========================================================================== */

.activity-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: var(--space-4); }
.activity-item { display: flex; gap: var(--space-3); }
.activity-item .dot { margin-top: 6px; }
.activity-item .activity-title { font-size: 0.85rem; font-weight: 500; }
.activity-item .activity-time { font-size: 0.76rem; color: var(--text-muted); margin-top: 1px; }

/* ==========================================================================
   Modal / confirm dialog
   ========================================================================== */

dialog.confirm-dialog {
  border: none; border-radius: var(--radius-lg); padding: 0;
  box-shadow: var(--shadow-lg); max-width: 400px; width: calc(100% - 40px);
  color: var(--text); background: var(--surface);
}
dialog.confirm-dialog::backdrop { background: rgba(15, 17, 21, 0.5); }
.confirm-dialog-body { padding: var(--space-5); }
.confirm-dialog-body h3 { text-transform: none; letter-spacing: 0; font-size: 1.02rem; color: var(--text); margin-bottom: var(--space-2); }
.confirm-dialog-body p { font-size: 0.86rem; color: var(--text-muted); margin-bottom: 0; }
.confirm-dialog-actions { display: flex; justify-content: flex-end; gap: var(--space-2); padding: var(--space-4) var(--space-5); background: var(--surface-sunken); border-top: 1px solid var(--border); border-radius: 0 0 var(--radius-lg) var(--radius-lg); }

/* ==========================================================================
   Auth / connect (no sidebar)
   ========================================================================== */

.auth-page {
  min-height: 100vh; display: flex; align-items: center; justify-content: center;
  padding: var(--space-5); background: var(--bg);
  background-image: radial-gradient(circle at 20% 20%, var(--accent-soft) 0%, transparent 45%);
}
.auth-card {
  width: 100%; max-width: 380px; background: var(--surface);
  border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: var(--space-6) var(--space-5); box-shadow: var(--shadow);
}
.auth-brand { text-align: center; margin-bottom: var(--space-6); }
.auth-brand .mark { width: 44px; height: 44px; border-radius: var(--radius); background: var(--accent); color: #fff; display: flex; align-items: center; justify-content: center; font-weight: 800; font-size: 1rem; margin: 0 auto var(--space-3); }
.auth-brand .name { font-weight: 800; font-size: 1.15rem; letter-spacing: -0.01em; }
.auth-brand .tagline { color: var(--text-muted); font-size: 0.82rem; margin-top: 2px; }
.auth-card h1 { font-size: 1.05rem; margin-bottom: var(--space-4); text-align: center; }
.auth-card form input { max-width: none; }
.auth-card button[type="submit"] { width: 100%; padding: 0.6rem; margin-top: var(--space-2); }
.auth-footer { text-align: center; margin-top: var(--space-5); font-size: 0.76rem; color: var(--text-faint); }

.connect-card { width: 100%; max-width: 420px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: var(--space-6) var(--space-5); text-align: center; box-shadow: var(--shadow); }
.connect-card h1 { font-size: 1.1rem; }
.connect-card input { text-align: center; letter-spacing: 0.3em; font-size: 1.1rem; max-width: none; }
.connect-icon { width: 44px; height: 44px; border-radius: 50%; background: var(--success-soft); color: var(--success); display: flex; align-items: center; justify-content: center; margin: 0 auto var(--space-4); }
.connect-icon svg { width: 22px; height: 22px; }
.connect-icon.warn { background: var(--warning-soft); color: var(--warning); }

.error-page { min-height: 100vh; display: flex; align-items: center; justify-content: center; background: var(--bg); padding: var(--space-5); }
.error-card { text-align: center; max-width: 420px; }
.error-card .code { font-size: 2.2rem; font-weight: 800; color: var(--text-faint); }

/* ==========================================================================
   Remote viewer console
   ========================================================================== */

.viewer-shell { min-height: 100vh; background: #0a0b0d; color: #e7e9ee; display: flex; flex-direction: column; }
.viewer-topbar {
  display: flex; align-items: center; gap: var(--space-4);
  padding: 0.7rem var(--space-5);
  background: #14161c; border-bottom: 1px solid #26282f;
  flex-wrap: wrap;
}
.viewer-back { color: #9aa1ad; font-size: 0.82rem; }
.viewer-back:hover { color: #fff; }
.viewer-identity { display: flex; flex-direction: column; gap: 1px; }
.viewer-identity .computer-name { font-weight: 700; font-size: 0.95rem; }
.viewer-identity .client-name { font-size: 0.76rem; color: #9aa1ad; }
.viewer-status { display: flex; align-items: center; gap: var(--space-2); font-size: 0.8rem; color: #c2c6d2; margin-left: auto; }
.viewer-status .dot { width: 7px; height: 7px; }

.viewer-stage { flex: 1; display: flex; align-items: center; justify-content: center; padding: var(--space-4); min-height: 0; background: #000; background-image: radial-gradient(circle at center, #111318 0%, #000 100%); }
.viewer-video { max-width: 100%; max-height: calc(100vh - 190px); background: #000; object-fit: contain; cursor: crosshair; border-radius: 4px; }

.viewer-controlbar {
  display: flex; align-items: center; gap: var(--space-3);
  padding: 0.7rem var(--space-5);
  background: #14161c; border-top: 1px solid #26282f;
  flex-wrap: wrap;
}
.viewer-controlbar .btn-row { flex: 1; }
.viewer-capability { display: flex; align-items: center; gap: 5px; font-size: 0.78rem; color: #9aa1ad; }
.viewer-capability svg { width: 14px; height: 14px; }
.viewer-capability.on { color: #7ee787; }
.viewer-control-state { font-size: 0.78rem; font-weight: 700; padding: 0.25rem 0.6rem; border-radius: 999px; background: #23262f; color: #c2c6d2; }
.viewer-control-state.mine { background: var(--success-soft); color: var(--success); }
.viewer-hint { padding: 0.6rem var(--space-5); font-size: 0.76rem; color: #6b7180; background: #0a0b0d; border-top: 1px solid #1c1e24; }

.viewer-disabled-shell { min-height: 100vh; display: flex; align-items: center; justify-content: center; background: var(--bg); padding: var(--space-5); }

/* ==========================================================================
   Utility
   ========================================================================== */

.flex { display: flex; }
.flex-col { display: flex; flex-direction: column; }
.gap-2 { gap: var(--space-2); }
.items-center { align-items: center; }
.text-right { text-align: right; }
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }
.w-full { width: 100%; }
.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* ==========================================================================
   Responsive
   ========================================================================== */

@media (max-width: 960px) {
  .sidebar { transform: translateX(-100%); box-shadow: var(--shadow-lg); }
  body.nav-open .sidebar { transform: translateX(0); }
  body.nav-open .sidebar-scrim { display: block; position: fixed; inset: 0; background: rgba(10, 11, 13, 0.5); z-index: 35; }
  .app-main { margin-left: 0; }
  .topbar-menu-btn { display: flex; align-items: center; justify-content: center; width: 32px; height: 32px; border: 1px solid var(--border); border-radius: var(--radius-sm); background: var(--surface); color: var(--text); flex-shrink: 0; }
  .topbar-menu-btn svg { width: 18px; height: 18px; }
  .topbar-user-info { display: none; }
  .page { padding: var(--space-4); }
}

@media (max-width: 640px) {
  .metric-grid { grid-template-columns: 1fr; }
  .page-header { flex-direction: column; }
  .page-header-actions { width: 100%; }
  .page-header-actions .btn { flex: 1; }
  .toolbar { flex-direction: column; align-items: stretch; }
  .toolbar .search-wrap, .toolbar select { max-width: none; }
  .viewer-controlbar { flex-direction: column; align-items: stretch; }
  .card { padding: var(--space-4); }
}