/* ==========================================================================
   turnstone — shared design system ("Instrument Panel" aesthetic)
   Deep charcoal surfaces, warm amber indicators, precision typography
   ========================================================================== */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  /* Surface palette — deep charcoal with blue undertone */
  --bg: #0b0f19;
  --bg-surface: #111827;
  --bg-highlight: #1c2333;
  --bg-elevated: #1f2a3d;

  /* Text hierarchy */
  --fg: #d1d5e4;
  --fg-dim: #8a93ad;
  --fg-bright: #e8ecf4;

  /* Accent — warm amber (the signature color) */
  --accent: #e5a042;
  --accent-dim: rgba(229, 160, 66, 0.15);
  --accent-glow: rgba(229, 160, 66, 0.08);

  /* Semantic indicators */
  --green: #34d399;
  --red: #f87171;
  --yellow: #fbbf24;
  --cyan: #67e8f9;
  --magenta: #c084fc;

  /* Glow variants for LED effects */
  --green-glow: rgba(52, 211, 153, 0.25);
  --red-glow: rgba(248, 113, 113, 0.25);
  --yellow-glow: rgba(251, 191, 36, 0.25);
  --accent-glow-strong: rgba(229, 160, 66, 0.3);
  --cyan-glow: rgba(103, 232, 249, 0.2);

  /* Structure */
  --border: rgba(255, 255, 255, 0.06);
  --border-strong: rgba(255, 255, 255, 0.1);
  --code-bg: #0d1117;
  --radius: 6px;
  --radius-sm: 3px;
  --dash-grid: 72px 120px 90px 100px 1fr 60px 48px;
  --row-alt: rgba(255, 255, 255, 0.01);

  /* Typography */
  --font-mono: 'IBM Plex Mono', 'SF Mono', 'Cascadia Code', monospace;
  --font-display: 'Outfit', 'Segoe UI', system-ui, sans-serif;
}

[data-theme="light"] {
  --bg: #f3f4f6;
  --bg-surface: #ffffff;
  --bg-highlight: #e9ecf0;
  --bg-elevated: #f9fafb;
  --fg: #1e293b;
  --fg-dim: #576275;
  --fg-bright: #0f172a;
  --accent: #8c5e1b;
  --accent-dim: rgba(140, 94, 27, 0.1);
  --accent-glow: rgba(140, 94, 27, 0.05);
  --green: #047857;
  --red: #dc2626;
  --yellow: #b45309;
  --cyan: #0e7490;
  --magenta: #7c3aed;
  --green-glow: rgba(4, 120, 87, 0.25);
  --red-glow: rgba(220, 38, 38, 0.25);
  --yellow-glow: rgba(180, 83, 9, 0.25);
  --accent-glow-strong: rgba(140, 94, 27, 0.15);
  --cyan-glow: rgba(14, 116, 144, 0.2);
  --border: rgba(0, 0, 0, 0.08);
  --border-strong: rgba(0, 0, 0, 0.12);
  --code-bg: #f0f1f5;
  --row-alt: rgba(0, 0, 0, 0.015);
}

html, body {
  height: 100%;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
body {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background-image:
    radial-gradient(ellipse at 20% 0%, rgba(229, 160, 66, 0.03) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 100%, rgba(103, 232, 249, 0.02) 0%, transparent 50%);
}

/* ==========================================================================
   Header — base styles (page-specific CSS may override padding/gap)
   ========================================================================== */
#header {
  padding: 10px 16px;
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border-strong);
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
  position: relative;
}
#header::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent-dim), transparent);
}
#header h1 {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.02em;
}
#status-bar { font-size: 11px; color: var(--fg-dim); margin-left: auto; }
#status-bar.disconnected { color: var(--red); }

.header-btn {
  background: none;
  border: 1px solid var(--border-strong);
  color: var(--fg-dim);
  border-radius: var(--radius-sm);
  padding: 3px 10px;
  cursor: pointer;
  font: inherit;
  font-size: 11px;
  transition: background 0.15s, border-color 0.15s, color 0.15s;
  letter-spacing: 0.02em;
}
.header-btn:hover {
  background: var(--bg-highlight);
  color: var(--fg-bright);
  border-color: var(--accent-dim);
}

/* ==========================================================================
   Dashboard table — shared between server and console
   ========================================================================== */
.dash-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 16px;
  background: var(--code-bg);
  border-radius: var(--radius) var(--radius) 0 0;
  border: 1px solid var(--border);
  border-bottom: none;
}
.dash-header-title {
  font-family: var(--font-display);
  color: var(--accent);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
}
.dash-header-summary { color: var(--fg-dim); font-size: 11px; }

.dash-colheaders {
  display: grid;
  grid-template-columns: var(--dash-grid);
  padding: 6px 16px;
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border-strong);
  font-size: 10px;
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--fg-dim);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  position: sticky;
  top: 0;
  z-index: 10;
}
.dash-col-tokens, .dash-col-ctx { text-align: right; }

.dash-table { min-height: 40px; }
.dash-row {
  position: relative;
  border-left: 3px solid transparent;
  cursor: default;
  transition: background 0.12s ease, border-color 0.12s ease, box-shadow 0.12s ease;
}
.dash-row:nth-child(odd) { background: var(--bg); }
.dash-row:nth-child(even) { background: var(--row-alt); }
.dash-row:hover { background: var(--bg-highlight); box-shadow: inset 0 0 0 1px var(--border); }
.dash-row:focus-visible { outline: 2px solid var(--accent); outline-offset: -2px; }
.dash-row[data-state="running"]   { border-left-color: var(--green); }
.dash-row[data-state="thinking"]  { border-left-color: var(--cyan); }
.dash-row[data-state="attention"] { border-left-color: var(--yellow); }
.dash-row[data-state="idle"]      { border-left-color: var(--fg-dim); opacity: 0.6; }
.dash-row[data-state="error"]     { border-left-color: var(--red); }
.dash-row-main { display: grid; grid-template-columns: var(--dash-grid); padding: 9px 16px 3px; align-items: center; font-size: 12px; }
.dash-row-sub { padding: 0 16px 8px 88px; font-size: 11px; color: var(--fg-dim); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.dash-row-sub.sub-attention { color: var(--yellow); }

/* State dots with LED glow */
.dash-cell-state { display: flex; align-items: center; gap: 6px; font-size: 11px; }
.dash-state-dot { width: 6px; height: 6px; border-radius: 50%; flex-shrink: 0; }
.dash-state-dot[data-state="running"]   { background: var(--green); border-radius: 2px; box-shadow: 0 0 6px var(--green-glow); animation: pulse 2s infinite; will-change: opacity; }
.dash-state-dot[data-state="thinking"]  { background: var(--cyan); box-shadow: 0 0 6px var(--cyan-glow); animation: pulse 2.2s infinite; will-change: opacity; }
.dash-state-dot[data-state="attention"] { background: var(--yellow); border-radius: 1px; transform: rotate(45deg); box-shadow: 0 0 6px var(--yellow-glow); animation: pulse 1.8s infinite; will-change: opacity; }
.dash-state-dot[data-state="idle"]      { background: var(--fg-dim); opacity: 0.4; }
.dash-state-dot[data-state="error"]     { background: var(--red); border-radius: 0; box-shadow: 0 0 6px var(--red-glow); }

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.35; }
}

.dash-state-label { white-space: nowrap; font-weight: 500; }
.dash-state-label[data-state="running"]   { color: var(--green); }
.dash-state-label[data-state="thinking"]  { color: var(--cyan); }
.dash-state-label[data-state="attention"] { color: var(--yellow); }
.dash-state-label[data-state="idle"]      { color: var(--fg-dim); }
.dash-state-label[data-state="error"]     { color: var(--red); }

.dash-cell-name { font-weight: 500; color: var(--fg-bright); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.dash-row[data-state="idle"] .dash-cell-name { color: var(--fg-dim); }
.dash-cell-model { color: var(--fg-dim); font-size: 11px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-variant-numeric: tabular-nums; }
.dash-cell-node { color: var(--fg-dim); font-size: 11px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.dash-cell-task { color: var(--fg-bright); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.dash-row[data-state="idle"] .dash-cell-task { color: var(--fg-dim); }
.dash-cell-tokens { text-align: right; color: var(--fg-dim); font-size: 11px; font-variant-numeric: tabular-nums; }
.dash-cell-ctx { text-align: right; font-size: 11px; font-variant-numeric: tabular-nums; }
.dash-cell-ctx.ctx-low    { color: var(--green); }
.dash-cell-ctx.ctx-mid    { color: var(--yellow); }
.dash-cell-ctx.ctx-high   { color: var(--red); }
.dash-cell-ctx.ctx-danger { color: var(--red); font-weight: 600; }
.dash-cell-ctx.ctx-idle   { color: var(--fg-dim); }

/* ==========================================================================
   Scrollbar — thin, minimal
   ========================================================================== */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border-strong); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--fg-dim); }

/* ==========================================================================
   Focus indicators
   ========================================================================== */
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

/* ==========================================================================
   Screen reader utility
   ========================================================================== */
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }

/* ==========================================================================
   Login overlay
   ========================================================================== */
#login-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}
#login-box {
  background: var(--bg-surface);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  padding: 36px;
  width: 340px;
  max-width: 90vw;
  box-shadow:
    0 0 0 1px rgba(255, 255, 255, 0.03),
    0 24px 48px -12px rgba(0, 0, 0, 0.5),
    0 0 80px -20px var(--accent-dim);
  position: relative;
}
#login-box::before {
  content: '';
  position: absolute;
  top: -1px;
  left: 20%;
  right: 20%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  border-radius: 1px;
}
#login-box > h2 {
  font-family: var(--font-display);
  color: var(--accent);
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.02em;
}
#login-box input {
  width: 100%;
  padding: 11px 14px;
  background: var(--bg);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  color: var(--fg);
  font: inherit;
  font-size: 13px;
  margin-bottom: 14px;
  transition: border-color 0.15s, box-shadow 0.15s;
}
#login-box input:focus-visible { border-color: var(--accent); outline: none; box-shadow: 0 0 0 3px var(--accent-dim); }
#login-box input::placeholder { color: var(--fg-dim); opacity: 0.6; }
#login-submit {
  width: 100%;
  padding: 11px;
  background: var(--accent);
  color: var(--bg);
  border: none;
  border-radius: var(--radius-sm);
  font: inherit;
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: filter 0.15s;
  letter-spacing: 0.02em;
}
#login-submit:hover { filter: brightness(1.1); }
#login-submit:focus-visible { outline: 2px solid var(--fg); outline-offset: 2px; }
#login-submit:disabled { opacity: 0.4; cursor: not-allowed; filter: none; }
.login-subtitle {
  font-family: var(--font-display);
  font-size: 11px;
  color: var(--fg-dim);
  margin-bottom: 18px;
  letter-spacing: 0.02em;
  min-height: 14px;
}
.login-label {
  display: block;
  font-family: var(--font-display);
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--fg-dim);
  margin-bottom: 5px;
}
.login-toggle {
  text-align: center;
  margin-top: 14px;
}
.login-link {
  background: none;
  border: none;
  color: var(--fg-dim);
  font-family: var(--font-display);
  font-size: 11px;
  cursor: pointer;
  padding: 4px 8px;
  letter-spacing: 0.02em;
  transition: color 0.15s;
}
.login-link:hover { color: var(--accent); }
.login-link:focus-visible { outline: 1px solid var(--accent); outline-offset: 2px; }
#login-error { color: var(--red); font-size: 12px; margin-bottom: 8px; display: none; }
@media (max-width: 380px) { #login-box { padding: 28px 20px; } }

/* ==========================================================================
   Keyboard shortcuts overlay
   ========================================================================== */
#kb-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 999;
}
#kb-box {
  background: var(--bg-surface);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  padding: 28px;
  width: 360px;
  max-width: 90vw;
  max-height: 80vh;
  overflow-y: auto;
  box-shadow: 0 24px 48px -12px rgba(0, 0, 0, 0.5);
}
#kb-box h2 {
  font-family: var(--font-display);
  color: var(--accent);
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 16px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.kb-row { display: flex; justify-content: space-between; padding: 5px 0; font-size: 12px; }
.kb-key {
  color: var(--fg-bright);
  background: var(--bg-highlight);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  padding: 2px 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  white-space: nowrap;
}
.kb-desc { color: var(--fg-dim); font-family: var(--font-display); }
.kb-section {
  font-family: var(--font-display);
  color: var(--fg-dim);
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-top: 14px;
  margin-bottom: 6px;
}
.kb-section:first-child { margin-top: 0; }
#kb-box .kb-hint { color: var(--fg-dim); font-size: 11px; text-align: center; margin-top: 16px; font-family: var(--font-display); }

/* ==========================================================================
   Toast notification
   ========================================================================== */
#toast {
  position: fixed;
  bottom: 80px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--bg-elevated, var(--bg-surface));
  color: var(--fg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 10px 20px;
  font-size: 12px;
  font-family: var(--font-mono);
  z-index: 999;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease, transform 0.25s ease;
  box-shadow: 0 8px 24px -4px rgba(0, 0, 0, 0.4);
  white-space: nowrap;
  max-width: 90vw;
  overflow: hidden;
  text-overflow: ellipsis;
}
#toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
  pointer-events: auto;
}

/* ==========================================================================
   Empty state
   ========================================================================== */
.dashboard-empty {
  color: var(--fg-dim);
  font-size: 12px;
  padding: 24px 0;
  text-align: center;
  font-family: var(--font-display);
  font-style: italic;
  opacity: 0.7;
}

/* ==========================================================================
   Reduced motion — base rules
   ========================================================================== */
@media (prefers-reduced-motion: reduce) {
  .dash-state-dot[data-state="running"],
  .dash-state-dot[data-state="thinking"],
  .dash-state-dot[data-state="attention"] { animation: none; opacity: 1; }
  .dash-row, .header-btn, #toast { transition: none; }
  #login-box input, #login-box button { transition: none; }
}
