/* =============================================================================
   PhoneCentral BOS — Design System
   =============================================================================
   Source of truth for the BOS dark-mode visual language.
   Drop this single file into /app/static/bos.css and link it from page_shell().
   The Tweaks panel in the design mockup writes to the BEGIN/END markers below.
   ============================================================================= */

/* === TOKENS ============================================================== */
:root {
  /* ---- brand greens ------------------------------------------------------ */
  --pc-green-dark: /*TWEAK:pc-green-dark*/#003333/*END*/;
  --pc-green: /*TWEAK:pc-green*/#339966/*END*/;
  --pc-green-bright: /*TWEAK:pc-green-bright*/#4eb87f/*END*/;
  --pc-green-light: /*TWEAK:pc-green-light*/#7dd9a0/*END*/;

  /* ---- surfaces ---------------------------------------------------------- */
  --bg-page-from: /*TWEAK:bg-page-from*/#0a1410/*END*/;
  --bg-page-to: /*TWEAK:bg-page-to*/#08110d/*END*/;
  --surface: /*TWEAK:surface*/#11201a/*END*/;
  --surface-alt: /*TWEAK:surface-alt*/#152a22/*END*/;
  --border: /*TWEAK:border*/rgba(38,55,48,0.7)/*END*/;
  --border-accent: /*TWEAK:border-accent*/rgba(51,153,102,0.22)/*END*/;
  --border-strong: rgba(58,73,64,0.8);

  /* ---- text -------------------------------------------------------------- */
  --text-primary: /*TWEAK:text-primary*/#e6f0e9/*END*/;
  --text-secondary: /*TWEAK:text-secondary*/#87a89c/*END*/;
  --text-tertiary: /*TWEAK:text-tertiary*/#5d7068/*END*/;
  --text-disabled: /*TWEAK:text-disabled*/#4a5d52/*END*/;
  --text-micro: #3f4d44;

  /* ---- semantic ---------------------------------------------------------- */
  --color-success: var(--pc-green);
  --color-warning: /*TWEAK:color-warning*/#f59e0b/*END*/;
  --color-error: /*TWEAK:color-error*/#ef4444/*END*/;
  --color-info: var(--text-secondary);
  --color-outbound: var(--color-warning); /* charts */

  /* ---- type -------------------------------------------------------------- */
  --font-sans: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: ui-monospace, 'SF Mono', Consolas, Monaco, monospace;

  /* ---- spacing scale (per spec) ----------------------------------------- */
  --sp-2: 2px;   --sp-4: 4px;   --sp-6: 6px;   --sp-8: 8px;
  --sp-10: 10px; --sp-12: 12px; --sp-14: 14px; --sp-16: 16px;
  --sp-20: 20px; --sp-24: 24px;

  /* ---- radius scale ------------------------------------------------------ */
  --r-2: 2px; --r-3: 3px; --r-4: 4px; --r-6: 6px; --r-8: 8px; --r-10: 10px; --r-12: 12px;

  /* ---- layout ------------------------------------------------------------ */
  --sidebar-w: /*TWEAK:sidebar-w*/270px/*END*/;
  --content-pad: 40px;
  --shell-gap: 16px;

  /* ---- transitions ------------------------------------------------------- */
  --t-hover: all 150ms ease-out;
  --t-focus: box-shadow 200ms ease-out;

  /* ---- legacy aliases (so existing inline-HTML pages keep working) ------ */
  --bg: var(--bg-page-from);
  --surface2: var(--surface-alt);
  --green: var(--pc-green);
  --red: var(--color-error);
  --orange: var(--color-warning);
  --blue: #5b8fd9;          /* used in old dashboard for "blue" stat-values */
  --accent: var(--pc-green-bright);
  --text: var(--text-primary);
  --text-dim: var(--text-secondary);
  --text-muted: var(--text-tertiary);
}

/* === BASE ================================================================ */
* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: linear-gradient(180deg, var(--bg-page-from) 0%, var(--bg-page-to) 100%);
  background-attachment: fixed;
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 13px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-feature-settings: 'cv11', 'ss01';
}

a { color: var(--pc-green-bright); text-decoration: none; }
a:hover { color: var(--pc-green-light); }

h1, h2, h3, h4 {
  margin: 0;
  color: var(--text-primary);
  font-weight: 600;
  letter-spacing: -0.02em;
}
h1 { font-size: 20px; }
h2 { font-size: 16px; }
h3 { font-size: 14px; }

.subtitle {
  color: var(--text-secondary);
  font-size: 13px;
  margin-top: 2px;
}

/* tabular figures everywhere numbers live */
.tnum, .stat-value, td.num, .ranked-list .value, .stat-bignum {
  font-variant-numeric: tabular-nums;
  font-feature-settings: 'tnum';
}

/* === SHELL =============================================================== */
.shell {
  display: grid;
  grid-template-columns: var(--sidebar-w) 1fr;
  gap: var(--shell-gap);
  min-height: 100vh;
  padding: var(--sp-4);
}

/* === SIDEBAR ============================================================= */
.sidebar {
  padding: var(--sp-16) var(--sp-4) var(--sp-4);
  display: flex;
  flex-direction: column;
  gap: 0;
  position: sticky;
  top: 0;
  align-self: start;
  max-height: 100vh;
  overflow-y: auto;
}

.sidebar-logo {
  padding: 0;
  margin-bottom: var(--sp-4);
}
.sidebar-logo img {
  width: 260px;
  height: auto;
  display: block;
}

/* search trigger */
.search-trigger {
  display: flex;
  align-items: center;
  gap: var(--sp-10);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-6);
  padding: 12px var(--sp-16);
  margin: 0 var(--sp-4) var(--sp-14);
  font-size: 13px;
  color: var(--text-tertiary);
  cursor: pointer;
  transition: var(--t-hover);
}
.search-trigger:hover {
  border-color: var(--border-accent);
  background: var(--surface-alt);
}
.search-trigger .search-icon {
  width: 16px; height: 16px;
  color: var(--text-tertiary);
  flex-shrink: 0;
}
.search-trigger .search-label { flex: 1; }
.search-trigger .search-shortcut {
  padding: 3px 7px;
  background: rgba(38,55,48,0.9);
  border-radius: var(--r-3);
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text-secondary);
  letter-spacing: 0.04em;
}

/* nav sections */
.nav-section { margin-top: var(--sp-12); }
.nav-section:first-of-type { margin-top: 0; }
.nav-section-header {
  font-size: 11px;
  text-transform: uppercase;
  color: var(--text-disabled);
  letter-spacing: 0.1em;
  padding: 0 var(--sp-16);
  margin-bottom: var(--sp-6);
  font-weight: 600;
}

.nav-list { display: flex; flex-direction: column; gap: 1px; }
.nav-item {
  display: flex;
  align-items: center;
  gap: var(--sp-10);
  padding: 9px var(--sp-16);
  color: var(--text-secondary);
  font-size: 14px;
  border-radius: 0;
  border-left: 2px solid transparent;
  cursor: pointer;
  transition: var(--t-hover);
  position: relative;
}
.nav-item:hover {
  color: var(--text-primary);
  background: rgba(51,153,102,0.05);
}
.nav-item.active {
  background: linear-gradient(90deg, rgba(51,153,102,0.18), transparent);
  border-left-color: var(--pc-green);
  color: var(--pc-green-bright);
}
.nav-item .nav-icon {
  width: 14px; height: 14px;
  flex-shrink: 0;
  color: currentColor;
}
.nav-item .nav-label { flex: 1; }
.nav-item .nav-badge {
  background: rgba(239,68,68,0.18);
  color: var(--color-error);
  border: 1px solid rgba(239,68,68,0.35);
  font-size: 10px;
  padding: 2px 6px;
  border-radius: 8px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

/* sidebar sub-items (nested under a parent like System) */
.nav-sublist {
  display: flex;
  flex-direction: column;
  gap: 1px;
  margin-left: var(--sp-12);
  border-left: 1px solid var(--border);
  padding-left: var(--sp-8);
  margin-bottom: var(--sp-4);
}
.nav-subitem {
  font-size: 13px;
  color: var(--text-tertiary);
  padding: 7px var(--sp-12);
  cursor: pointer;
  transition: var(--t-hover);
}
.nav-subitem:hover { color: var(--text-secondary); }
.nav-subitem.active { color: var(--pc-green-bright); }

/* === MAIN CONTENT ======================================================== */
.main {
  padding: var(--content-pad);
  min-width: 0; /* lets grid children clip overflow correctly */
}

.page-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 18px;
  gap: var(--sp-16);
}
.page-header .greeting h1 {
  font-size: 22px;
  letter-spacing: -0.025em;
  margin-bottom: 2px;
}
.page-header .greeting .date {
  color: var(--text-secondary);
  font-size: 12px;
}

/* === STATUS PILL ========================================================= */
.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  background: rgba(51,153,102,0.1);
  border: 1px solid rgba(51,153,102,0.25);
  border-radius: var(--r-12);
  color: var(--pc-green-bright);
  font-size: 10px;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  font-weight: 500;
}
.status-pill .dot {
  position: relative;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--pc-green);
}
.status-pill .dot::after {
  content: '';
  position: absolute;
  inset: -2px;
  border-radius: 50%;
  background: var(--pc-green);
  animation: pulse-halo 2s ease-out infinite;
}
@keyframes pulse-halo {
  0%   { transform: scale(1); opacity: 0.6; }
  100% { transform: scale(2.4); opacity: 0; }
}

/* warning + error pill variants */
.status-pill.warn {
  background: rgba(245,158,11,0.1);
  border-color: rgba(245,158,11,0.3);
  color: var(--color-warning);
}
.status-pill.warn .dot,
.status-pill.warn .dot::after { background: var(--color-warning); }
.status-pill.err {
  background: rgba(239,68,68,0.1);
  border-color: rgba(239,68,68,0.3);
  color: var(--color-error);
}
.status-pill.err .dot,
.status-pill.err .dot::after { background: var(--color-error); }

/* === STAT CARDS ========================================================== */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--sp-10);
}
.stats-grid.cols-4 { grid-template-columns: repeat(4, 1fr); }
.stats-grid.cols-5 { grid-template-columns: repeat(5, 1fr); }

.stat-card {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-8);
  padding: 11px 13px 9px;
  overflow: hidden;
  transition: var(--t-hover);
  text-decoration: none;
  color: inherit;
  display: block;
}
.stat-card:hover { border-color: var(--border-accent); }

/* primary variant — gradient + glow */
.stat-card.primary {
  background: linear-gradient(180deg, #11201a 0%, #0f1c17 100%);
  border-color: var(--border-accent);
}
.stat-card.primary::before {
  content: '';
  position: absolute;
  top: -10px; right: -10px;
  width: 60px; height: 60px;
  background: radial-gradient(circle, rgba(51,153,102,0.18) 0%, transparent 70%);
  pointer-events: none;
}

.stat-label {
  font-size: 9px;
  text-transform: uppercase;
  color: var(--text-secondary);
  letter-spacing: 0.08em;
  margin-bottom: var(--sp-6);
  font-weight: 600;
}
.stat-value {
  font-size: 24px;
  font-weight: 500;
  color: var(--text-primary);
  letter-spacing: -0.025em;
  line-height: 1;
  font-variant-numeric: tabular-nums;
}
.stat-card.primary .stat-value { color: var(--pc-green-bright); }
.stat-value.green { color: var(--pc-green-bright); }
.stat-value.warn  { color: var(--color-warning); }
.stat-value.err   { color: var(--color-error); }
.stat-value.dim   { color: var(--text-secondary); }
/* legacy aliases used by current dashboard */
.stat-value.accent { color: var(--pc-green-bright); }
.stat-value.blue { color: var(--text-primary); }
.stat-value.orange { color: var(--color-warning); }
.stat-value.red { color: var(--color-error); }

/* trend / context line below number */
.stat-trend {
  margin-top: var(--sp-6);
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 11px;
  color: var(--text-secondary);
  font-variant-numeric: tabular-nums;
}
.stat-trend .trend-icon { width: 10px; height: 10px; flex-shrink: 0; }
.stat-trend.up    { color: var(--pc-green-light); }
.stat-trend.down  { color: var(--color-error); }
.stat-trend .ctx  { color: var(--text-tertiary); }

/* progress bar variant */
.stat-progress {
  margin-top: var(--sp-8);
  display: flex;
  gap: 1px;
  height: 3px;
  border-radius: var(--r-3);
  overflow: hidden;
}
.stat-progress .filled {
  background: linear-gradient(90deg, var(--pc-green-dark), var(--pc-green));
  border-radius: var(--r-3) 0 0 var(--r-3);
}
.stat-progress .unfilled {
  background: rgba(135,168,156,0.2);
  border-radius: 0 var(--r-3) var(--r-3) 0;
}

/* status-dot variant */
.stat-status {
  margin-top: var(--sp-6);
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 10px;
}
.stat-status .dot {
  width: 5px; height: 5px;
  border-radius: 50%;
}
.stat-status.ok    { color: var(--pc-green-bright); }
.stat-status.ok .dot { background: var(--pc-green); }
.stat-status.warn  { color: var(--color-warning); }
.stat-status.warn .dot { background: var(--color-warning); }
.stat-status.err   { color: var(--color-error); }
.stat-status.err .dot { background: var(--color-error); }

/* === SECTION CARD (generic surface for non-stat content) ================== */
.section {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-8);
  margin-top: var(--sp-12);
  overflow: hidden;
}
.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--sp-12) var(--sp-16);
  border-bottom: 1px solid var(--border);
  gap: var(--sp-12);
}
.section-title {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: 0.02em;
}
.section-meta {
  font-size: 10px;
  color: var(--text-tertiary);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.section-body { padding: var(--sp-10) var(--sp-16) var(--sp-6); }
.section-body.flush { padding: 0; }

/* === RANKED LIST (top accounts pattern) ================================== */
.ranked-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: var(--sp-10) var(--sp-16) var(--sp-6);
}
.ranked-row {
  display: flex;
  align-items: center;
  gap: var(--sp-12);
}
.rank-badge {
  width: 18px; height: 18px;
  border-radius: var(--r-4);
  background: rgba(38,55,48,0.7);
  border: 1px solid var(--border-strong);
  color: var(--text-secondary);
  font-size: 10px;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-variant-numeric: tabular-nums;
}
.rank-badge.top {
  background: rgba(51,153,102,0.15);
  border-color: rgba(51,153,102,0.3);
  color: var(--pc-green-bright);
}
.ranked-row .name {
  width: 110px;
  font-size: 11px;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.ranked-row .bar {
  flex: 1;
  height: 6px;
  background: rgba(38,55,48,0.7);
  border-radius: var(--r-3);
  overflow: hidden;
}
.ranked-row .bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--pc-green-dark), var(--pc-green));
  border-radius: var(--r-3);
}
.ranked-row .value {
  width: 56px;
  text-align: right;
  font-size: 11px;
  color: var(--text-secondary);
  font-variant-numeric: tabular-nums;
}

/* === MULTI-STATUS SUMMARY (support queue pattern) ======================== */
.multi-status {
  display: flex;
  flex-direction: column;
  padding: 0;
}
.multi-row {
  display: flex;
  align-items: center;
  gap: var(--sp-12);
  padding: var(--sp-6) var(--sp-16);
  border-bottom: 1px solid var(--border);
}
.multi-row:last-child { border-bottom: none; }
.multi-row .stripe {
  width: 4px;
  height: 22px;
  border-radius: 2px;
  flex-shrink: 0;
}
.multi-row.err  .stripe { background: var(--color-error); }
.multi-row.warn .stripe { background: var(--color-warning); }
.multi-row.dim  .stripe { background: var(--text-disabled); }
.multi-row.ok   .stripe { background: var(--pc-green); }
.multi-row .label {
  flex: 1;
  min-width: 0;
}
.multi-row .label .primary {
  font-size: 12px;
  color: var(--text-primary);
  margin-bottom: 1px;
}
.multi-row .label .secondary {
  font-size: 10px;
  color: var(--text-tertiary);
  letter-spacing: 0.02em;
}
.multi-row .count {
  font-size: 16px;
  font-weight: 500;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.02em;
}
.multi-row.err  .count { color: var(--color-error); }
.multi-row.warn .count { color: var(--color-warning); }
.multi-row.dim  .count { color: var(--text-secondary); }
.multi-row.ok   .count { color: var(--pc-green-bright); }

/* === BAR CHART (CSS-only, monthly call volume) =========================== */
.barchart {
  display: flex;
  align-items: flex-end;
  gap: 14px;
  height: 108px;
  padding: var(--sp-12) var(--sp-16) 0;
}
.barchart .bar-group {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}
.barchart .bars {
  display: flex;
  align-items: flex-end;
  gap: 2px;
  height: 86px;
  width: 100%;
  justify-content: center;
}
.barchart .bar {
  flex: 1;
  max-width: 14px;
  border-radius: 1px 1px 0 0;
  min-height: 2px;
}
.barchart .bar.inbound {
  background: linear-gradient(180deg, var(--pc-green) 0%, #1a4d33 100%);
}
.barchart .bar.outbound {
  background: linear-gradient(180deg, var(--color-warning) 0%, #b87308 100%);
}
.barchart .month-label {
  font-size: 8px;
  color: var(--text-disabled);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-variant-numeric: tabular-nums;
}
.chart-legend {
  display: flex;
  gap: var(--sp-12);
  font-size: 10px;
  color: var(--text-tertiary);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.chart-legend .swatch {
  display: inline-block;
  width: 8px; height: 8px;
  border-radius: 2px;
  margin-right: 4px;
  vertical-align: middle;
}
.chart-legend .swatch.inbound { background: var(--pc-green); }
.chart-legend .swatch.outbound { background: var(--color-warning); }

/* === GRID HELPERS (used by current pages, kept verbatim) ================= */
.dash-grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-12);
  margin-top: var(--sp-12);
  align-items: stretch;
}
.dash-grid-2-1 {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: var(--sp-12);
}
.dash-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-12);
}
.dash-grid-6 {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: var(--sp-10);
}

/* === TABLES ============================================================== */
table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  font-size: 12px;
}
thead th {
  text-align: left;
  padding: var(--sp-8) var(--sp-16);
  font-size: 9px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-tertiary);
  font-weight: 600;
  border-bottom: 1px solid var(--border);
  background: rgba(0,0,0,0.15);
  white-space: nowrap;
}
thead th.num { text-align: right; }
thead th.center { text-align: center; }

tbody td {
  padding: 10px var(--sp-16);
  border-bottom: 1px solid var(--border);
  color: var(--text-primary);
  vertical-align: middle;
}
tbody tr:last-child td { border-bottom: none; }
tbody tr { transition: background-color 100ms ease-out; }
tbody tr:hover { background: rgba(51,153,102,0.04); }
tbody tr.unread td { background: rgba(51,153,102,0.025); }

td.num { text-align: right; font-variant-numeric: tabular-nums; }
td.center { text-align: center; }
td.dim { color: var(--text-secondary); }
td.empty {
  text-align: center;
  color: var(--text-tertiary);
  padding: var(--sp-24);
  font-size: 12px;
}
.compact-rows tbody td { padding: var(--sp-4) var(--sp-16); }

/* === ACCOUNT-LIST ROW (also reused by tickets, account-detail children) === */
/* Pattern: leading identity column with two-line label + secondary line.   */
.row-identity {
  display: flex;
  align-items: center;
  gap: var(--sp-10);
  min-width: 0;
}
.row-identity .row-avatar {
  width: 28px; height: 28px;
  border-radius: var(--r-6);
  background: var(--surface-alt);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--pc-green-bright);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  flex-shrink: 0;
}
.row-identity .row-avatar.warn { color: var(--color-warning); border-color: rgba(245,158,11,0.25); }
.row-identity .row-avatar.err { color: var(--color-error); border-color: rgba(239,68,68,0.25); }
.row-identity .row-text { min-width: 0; }
.row-identity .row-text .primary {
  font-size: 12px;
  color: var(--text-primary);
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.row-identity .row-text .secondary {
  font-size: 10px;
  color: var(--text-tertiary);
  letter-spacing: 0.02em;
  margin-top: 1px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* phones-online inline metric */
.phones-online {
  display: inline-flex;
  align-items: baseline;
  gap: 4px;
  font-size: 12px;
  font-variant-numeric: tabular-nums;
}
.phones-online .ok { color: var(--pc-green-bright); font-weight: 500; }
.phones-online .sep { color: var(--text-disabled); }
.phones-online .down { color: var(--color-error); }
.phones-online .down.zero { color: var(--text-disabled); }

/* === BADGES ============================================================== */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 8px;
  border-radius: var(--r-2);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border: 1px solid transparent;
  white-space: nowrap;
}
.badge-green {
  background: rgba(51,153,102,0.12);
  color: var(--pc-green-bright);
  border-color: rgba(51,153,102,0.25);
}
.badge-red {
  background: rgba(239,68,68,0.1);
  color: var(--color-error);
  border-color: rgba(239,68,68,0.25);
}
.badge-amber, .badge-yellow {
  background: rgba(245,158,11,0.1);
  color: var(--color-warning);
  border-color: rgba(245,158,11,0.25);
}
.badge-neutral, .badge-gray {
  background: rgba(135,168,156,0.08);
  color: var(--text-secondary);
  border-color: rgba(135,168,156,0.2);
}

/* === BUTTONS ============================================================= */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: var(--r-6);
  font-size: 12px;
  font-weight: 500;
  font-family: inherit;
  cursor: pointer;
  transition: var(--t-hover);
  border: 1px solid transparent;
  background: transparent;
  color: var(--text-primary);
  text-decoration: none;
  line-height: 1;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-0.5px); }
.btn:focus-visible {
  outline: none;
  box-shadow: 0 0 0 2px var(--pc-green-dark), 0 0 0 4px rgba(51,153,102,0.4);
}
.btn-sm { padding: 4px 10px; font-size: 11px; }
.btn-primary {
  background: linear-gradient(180deg, var(--pc-green) 0%, var(--pc-green-dark) 100%);
  color: #fff;
  border-color: rgba(51,153,102,0.5);
}
.btn-primary:hover {
  background: linear-gradient(180deg, var(--pc-green-bright) 0%, var(--pc-green) 100%);
}
.btn-outline {
  border-color: var(--border);
  color: var(--text-secondary);
}
.btn-outline:hover {
  border-color: var(--border-accent);
  color: var(--pc-green-bright);
}
.btn-ghost { color: var(--text-secondary); }
.btn-ghost:hover { color: var(--text-primary); background: rgba(255,255,255,0.03); }

/* === COMMAND PALETTE ===================================================== */
.cmdk-overlay {
  position: fixed;
  inset: 0;
  background: rgba(13,20,17,0.85);
  backdrop-filter: blur(2px);
  z-index: 100;
  display: none;
  align-items: flex-start;
  justify-content: center;
  padding-top: 40px;
}
.cmdk-overlay.open { display: flex; }
.cmdk {
  width: 520px;
  max-width: calc(100vw - 80px);
  background: var(--surface);
  border: 1px solid rgba(51,153,102,0.25);
  border-radius: var(--r-10);
  box-shadow: 0 30px 60px -15px rgba(0,0,0,0.6);
  overflow: hidden;
}
.cmdk-input {
  display: flex;
  align-items: center;
  gap: var(--sp-10);
  padding: var(--sp-14) var(--sp-16);
  border-bottom: 1px solid var(--border);
}
.cmdk-input svg { width: 14px; height: 14px; color: var(--text-secondary); }
.cmdk-input input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  color: var(--text-primary);
  font-family: inherit;
  font-size: 13px;
}
.cmdk-input input::placeholder { color: var(--text-tertiary); }
.cmdk-results { padding: 8px 0; max-height: 50vh; overflow-y: auto; }
.cmdk-cat {
  font-size: 9px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-tertiary);
  padding: 6px var(--sp-16);
  font-weight: 600;
}
.cmdk-result {
  display: flex;
  align-items: center;
  gap: var(--sp-10);
  padding: 8px var(--sp-16);
  cursor: pointer;
  font-size: 12px;
  color: var(--text-primary);
}
.cmdk-result svg { width: 14px; height: 14px; color: var(--text-secondary); flex-shrink: 0; }
.cmdk-result .name { flex: 1; min-width: 0; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.cmdk-result .meta { color: var(--text-tertiary); font-size: 10px; }
.cmdk-result.active,
.cmdk-result:hover {
  background: rgba(51,153,102,0.08);
}
.cmdk-result.active .enter-hint {
  display: inline-flex;
  align-items: center;
  font-size: 9px;
  color: var(--text-tertiary);
  font-family: var(--font-mono);
  gap: 2px;
}
.cmdk-result .enter-hint { display: none; }

/* === COMPONENT-DOC RAIL (design-mockup only; not shipped) ================ */
.component-docs {
  margin-top: 48px;
  padding: var(--sp-24) 0;
  border-top: 1px solid var(--border);
}
.component-docs h2 {
  font-size: 14px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-tertiary);
  margin-bottom: var(--sp-16);
}
.doc-block {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: var(--sp-20);
  padding: var(--sp-20);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-8);
  margin-bottom: var(--sp-12);
}
.doc-preview { display: flex; align-items: center; justify-content: center; min-width: 0; }
.doc-info h3 {
  font-size: 13px;
  margin-bottom: 4px;
  color: var(--text-primary);
}
.doc-info p {
  font-size: 12px;
  color: var(--text-secondary);
  line-height: 1.6;
  margin: 0 0 var(--sp-10);
}
.doc-info pre {
  background: #06100c;
  border: 1px solid var(--border);
  border-radius: var(--r-6);
  padding: var(--sp-10) var(--sp-12);
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.6;
  color: #c4d4cc;
  overflow-x: auto;
  max-height: 220px;
}
.doc-info pre .k { color: var(--pc-green-bright); }
.doc-info pre .a { color: #a3c0b3; }
.doc-info pre .v { color: #e6c07b; }
.doc-info pre .c { color: var(--text-tertiary); font-style: italic; }

/* === UTILITY ============================================================= */
.kbd {
  font-family: var(--font-mono);
  font-size: 10px;
  background: rgba(38,55,48,0.9);
  border: 1px solid var(--border-strong);
  color: var(--text-secondary);
  padding: 1px 5px;
  border-radius: var(--r-3);
  letter-spacing: 0.04em;
}

.spacer { flex: 1; }
.muted { color: var(--text-secondary); }
.dim { color: var(--text-tertiary); }
.mono { font-family: var(--font-mono); }
.upper { text-transform: uppercase; letter-spacing: 0.08em; font-size: 9px; color: var(--text-tertiary); }
.tnum { font-variant-numeric: tabular-nums; }

/* skeleton loading */
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.6; }
}
.skeleton {
  background: var(--surface-alt);
  border-radius: var(--r-4);
  animation: pulse 1.5s ease-in-out infinite;
}

/* === PAGE TOPBAR (global search trigger + status, rendered by page_shell) */
.page-topbar {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: var(--sp-12);
  padding: 4px var(--content-pad) 0;
  margin-bottom: 6px;
}
.page-topbar #searchTrigger {
  font-size: 12px;
}
@media (max-width: 720px) {
  .page-topbar { padding-top: 8px; }
}

/* PBX Dashboard hides the global topbar — its own header row carries the
   search trigger + 'FreeSWITCH Running' indicator instead. */
body[data-active-nav="fs-dashboard"] .page-topbar { display: none; }