/* ── ASCILINE Phase 4 — Tesla Dashboard UI ──────────────────────────────
   Aesthetic: industrial utility. Barlow Condensed (labels/buttons) +
   JetBrains Mono (status readout). Amber accent on pure black.
   Touch targets ≥ 48px throughout. ──────────────────────────────────── */

@import url('https://fonts.googleapis.com/css2?family=Barlow+Condensed:wght@400;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

/* ── CSS variables ────────────────────────────────────────────────────── */
:root {
  --bg:           #000000;
  --bg2:          #0d0d0d;
  --bg3:          #1a1a1a;
  --border:       #2a2a2a;
  --border-hi:    #3d3d3d;
  --accent:       #F5A623;
  --accent-dim:   #b87a18;
  --accent-glow:  rgba(245,166,35,.18);
  --fg:           #e8e8e8;
  --fg-dim:       #888;
  --fg-faint:     #444;
  --red:          #e84040;
  --green:        #3ecf6e;
  --font-ui:      'Barlow Condensed', 'Arial Narrow', Arial, sans-serif;
  --font-mono:    'JetBrains Mono', 'Courier New', monospace;
  --topbar-h:     60px;
  --subbar-h:     48px;
  --statusbar-h:  40px;
}

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

html, body {
  height: 100%;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-ui);
  overflow: hidden;
  -webkit-font-smoothing: antialiased;
}

/* ── TOP BAR ──────────────────────────────────────────────────────────── */
#topbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--topbar-h);
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 14px;
  background: var(--bg2);
  border-bottom: 1px solid var(--border);
  z-index: 100;
}

#brand {
  font-family: var(--font-ui);
  font-weight: 700;
  font-size: 20px;
  letter-spacing: 4px;
  color: var(--accent);
  white-space: nowrap;
  flex-shrink: 0;
  user-select: none;
}

#query-input {
  flex: 1;
  height: 44px;
  background: var(--bg3);
  border: 1.5px solid var(--border-hi);
  border-radius: 6px;
  color: var(--fg);
  font-family: var(--font-ui);
  font-size: 20px;
  font-weight: 600;
  letter-spacing: 0.5px;
  padding: 0 16px;
  outline: none;
  transition: border-color 150ms, box-shadow 150ms;
  min-width: 0;
  caret-color: var(--accent);
}

#query-input::placeholder { color: var(--fg-faint); }

#query-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

/* ── Buttons ──────────────────────────────────────────────────────────── */
.btn {
  display: flex;
  align-items: center;
  gap: 7px;
  height: 44px;
  padding: 0 20px;
  border-radius: 6px;
  border: 2px solid transparent;
  font-family: var(--font-ui);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 2px;
  cursor: pointer;
  user-select: none;
  white-space: nowrap;
  flex-shrink: 0;
  transition: background 120ms, border-color 120ms, opacity 120ms, transform 80ms;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}
.btn:active:not(:disabled) { transform: scale(0.96); }

.btn-primary {
  background: var(--accent);
  color: #000;
  border-color: var(--accent);
}
.btn-primary:hover:not(:disabled) {
  background: #ffb838;
  border-color: #ffb838;
}
.btn-primary:disabled {
  background: var(--fg-faint);
  border-color: var(--fg-faint);
  color: #666;
  cursor: not-allowed;
}

.btn-secondary {
  background: transparent;
  color: var(--fg);
  border-color: var(--border-hi);
}
.btn-secondary:hover:not(:disabled) {
  border-color: var(--fg-dim);
  color: #fff;
}
.btn-secondary:disabled {
  color: var(--fg-faint);
  border-color: var(--fg-faint);
  cursor: not-allowed;
}

.btn-icon { font-size: 14px; }
.btn-label { line-height: 1; }

/* ── SUB BAR ──────────────────────────────────────────────────────────── */
#subbar {
  position: fixed;
  top: var(--topbar-h);
  left: 0; right: 0;
  height: var(--subbar-h);
  display: flex;
  align-items: center;
  gap: 0;
  padding: 0 14px;
  background: var(--bg2);
  border-bottom: 1px solid var(--border);
  z-index: 99;
}

.subbar-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 2.5px;
  color: var(--fg-faint);
  margin-right: 8px;
  user-select: none;
}

#preset-group {
  display: flex;
  align-items: center;
  gap: 0;
  margin-right: 18px;
}

.preset-btn {
  height: 32px;
  padding: 0 16px;
  background: transparent;
  color: var(--fg-dim);
  border: 1.5px solid var(--border-hi);
  font-family: var(--font-ui);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 1.5px;
  cursor: pointer;
  transition: background 120ms, color 120ms, border-color 120ms;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
  margin-left: -1px;  /* collapse borders */
}
.preset-btn:first-of-type { border-radius: 5px 0 0 5px; margin-left: 0; }
.preset-btn:last-of-type  { border-radius: 0 5px 5px 0; }
.preset-btn:active { background: var(--accent-dim); }
.preset-btn.active {
  background: var(--accent);
  color: #000;
  border-color: var(--accent);
  z-index: 1;
}
.preset-btn:hover:not(.active) {
  background: var(--bg3);
  color: var(--fg);
  border-color: var(--fg-dim);
  z-index: 1;
}

#preset-hint {
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.5px;
  padding: 0 12px;
  opacity: 0.85;
  transition: opacity 300ms;
}

#volume-group {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: auto;
}

.icon-btn {
  height: 32px;
  width: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 1.5px solid var(--border-hi);
  border-radius: 5px;
  color: var(--fg-dim);
  font-size: 16px;
  cursor: pointer;
  transition: border-color 120ms, color 120ms;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}
.icon-btn:hover { border-color: var(--fg-dim); color: var(--fg); }
.icon-btn.muted { color: var(--fg-faint); }

#volume-slider {
  width: 110px;
  accent-color: var(--accent);
  cursor: pointer;
  height: 32px;
}

/* ── PLAYER CONTAINER ─────────────────────────────────────────────────── */
#player-container {
  position: fixed;
  top: calc(var(--topbar-h) + var(--subbar-h));
  left: 0; right: 0;
  bottom: var(--statusbar-h);
  background: #050505;
  overflow: hidden;
}

/* vendored renderer sets these directly via style; we provide base values */
#ascii-player {
  margin: 0;
  white-space: pre;
  font-family: var(--font-mono);
  display: none;
}

#ascii-canvas {
  display: none;
  background: #050505;
}

/* ── IDLE OVERLAY ─────────────────────────────────────────────────────── */
#idle-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #050505;
  z-index: 10;
  transition: opacity 250ms ease;
}
#idle-overlay.hidden {
  opacity: 0;
  pointer-events: none;
}

#idle-content {
  text-align: center;
  user-select: none;
}

#idle-logo {
  font-family: var(--font-ui);
  font-size: clamp(48px, 10vw, 96px);
  font-weight: 700;
  letter-spacing: 16px;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 10px;
}

#idle-sub {
  font-size: 16px;
  letter-spacing: 4px;
  color: var(--fg-faint);
  text-transform: uppercase;
  margin-bottom: 28px;
}

#idle-arrow {
  font-size: 15px;
  color: var(--fg-dim);
  letter-spacing: 1px;
  font-family: var(--font-ui);
  font-weight: 600;
  animation: pulse-arrow 2.4s ease-in-out infinite;
}

@keyframes pulse-arrow {
  0%, 100% { opacity: 0.5; }
  50%       { opacity: 1; }
}

/* ── STATUS BAR ────────────────────────────────────────────────────────── */
#statusbar {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  height: var(--statusbar-h);
  display: flex;
  align-items: center;
  gap: 0;
  padding: 0 14px;
  background: var(--bg2);
  border-top: 1px solid var(--border);
  z-index: 100;
  font-family: var(--font-mono);
  font-size: 13px;
  overflow: hidden;
}

.status-segment {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

#status-title {
  flex: 1;
  color: var(--fg-dim);
  min-width: 0;
  margin-right: 12px;
  font-weight: 500;
}

.live-badge {
  color: var(--red);
  font-weight: 700;
  font-size: 11px;
  letter-spacing: 1.5px;
  border: 1.5px solid var(--red);
  border-radius: 3px;
  padding: 0 6px;
  height: 22px;
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
  margin-right: 10px;
  animation: live-pulse 1.8s ease-in-out infinite;
}
@keyframes live-pulse {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.55; }
}

.status-state {
  color: var(--fg-faint);
  letter-spacing: 1.5px;
  font-size: 11px;
  font-weight: 500;
  flex-shrink: 0;
  margin-right: 14px;
  text-transform: uppercase;
}
.status-state.state-playing  { color: var(--green); }
.status-state.state-resolving { color: var(--accent); }
.status-state.state-error    { color: var(--red); }

.status-fps {
  color: var(--fg-faint);
  font-size: 12px;
  flex-shrink: 0;
  margin-right: 10px;
}

.status-perf {
  color: var(--accent);
  font-size: 11px;
  letter-spacing: 0.5px;
  flex-shrink: 0;
  font-family: var(--font-ui);
  font-weight: 700;
}

/* shared utility */
.hidden { display: none !important; }