:root {
  --bg-color: #05080e;
  --card-bg: #0c121d;
  --panel-bg: #121a2a;
  --header-bg: #090e17;
  --border-color: #1c2a42;
  --border-subtle: #131d2e;

  --text-main: #f8fafc;
  --text-muted: #8391a6;
  --text-dim: #475569;

  --v4-color: #38bdf8;
  --v5-color: #34d399;
  --fusion-color: #a78bfa;
  --rnnoise-color: #06b6d4;
  --yamnet-color: #f59e0b;
  --intent-color: #f43f5e;
  --acoustic-color: #ec4899;
  --sys-color: #e2e8f0;

  --danger-color: #f87171;
  --warning-color: #fbbf24;
  --success-color: #10b981;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  -webkit-font-smoothing: antialiased;
}

body {
  background-color: var(--bg-color);
  color: var(--text-main);
  min-height: 100vh;
  padding: 14px 18px;
}

.app-container {
  max-width: 1550px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

/* Header & Action Controls */
.app-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 10px;
}

.title-group h1 {
  font-size: 1.3rem;
  font-weight: 800;
  letter-spacing: -0.5px;
}

.title-group h1 span {
  color: var(--v4-color);
  font-size: 0.85rem;
  font-weight: 500;
  margin-left: 8px;
}

.subtitle {
  color: var(--text-muted);
  font-size: 0.76rem;
  margin-top: 2px;
}

.header-controls {
  display: flex;
  gap: 8px;
}

.btn {
  padding: 7px 13px;
  border-radius: 5px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  font-size: 0.78rem;
  transition: all 0.15s ease;
}

.btn-primary { background: #2563eb; color: #fff; }
.btn-primary:hover { background: #1d4ed8; }
.btn-secondary { background: #334155; color: #fff; }
.btn-secondary:hover { background: #475569; }
.btn-accent { background: #7c3aed; color: #fff; }
.btn-accent:hover { background: #6d28d9; }
.btn-danger { background: var(--danger-color); color: #fff; }
.btn-danger:hover { background: #dc2626; }
.btn:disabled { opacity: 0.35; cursor: not-allowed; }

/* Browser DSP Auditing Ribbon */
.browser-dsp-bar {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 6px 12px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

.dsp-bar-title {
  display: flex;
  align-items: center;
  gap: 8px;
}

.dsp-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.dsp-dot-idle { background: #64748b; }
.dsp-dot-ok { background: var(--v5-color); box-shadow: 0 0 6px var(--v5-color); }
.dsp-dot-warn { background: var(--warning-color); box-shadow: 0 0 6px var(--warning-color); }

.dsp-label {
  font-size: 0.74rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
}

.dsp-indicators {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.dsp-chip {
  font-size: 0.68rem;
  background: var(--panel-bg);
  padding: 2px 7px;
  border-radius: 4px;
  border: 1px solid var(--border-subtle);
  font-family: monospace;
}

.dsp-chip strong { color: var(--v4-color); }
.dsp-chip strong.dsp-violation { color: var(--danger-color); font-weight: bold; }
.dsp-chip strong.dsp-clean { color: var(--v5-color); }

/* Pre-Gain & Auto-Leveler Toolbar */
.mic-gain-toolbar {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 8px 12px;
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.gain-control-group {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.72rem;
  color: var(--text-muted);
}

.gain-control-group label strong {
  color: var(--v4-color);
  font-family: monospace;
}

.slider-group {
  flex-grow: 1;
  max-width: 350px;
}

.slider-group input[type="range"] {
  width: 100%;
  accent-color: var(--v4-color);
  cursor: pointer;
}

.checkbox-group input[type="checkbox"] {
  accent-color: var(--v5-color);
  cursor: pointer;
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: 4px;
  cursor: pointer;
  user-select: none;
  font-weight: 600;
  color: var(--text-main);
}

.gain-preset-buttons {
  display: flex;
  gap: 6px;
  margin-left: auto;
}

/* 4-Quadrant Acoustic Health Grid */
.acoustic-health-dashboard {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
}

.health-card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 9px 12px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.health-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 5px;
}

.q-title {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
}

.badge-subtle {
  font-size: 0.65rem;
  background: var(--panel-bg);
  padding: 1px 5px;
  border-radius: 4px;
  color: #cbd5e1;
  font-family: monospace;
}

.badge-ok { background: rgba(52, 211, 153, 0.15); color: var(--v5-color); }
.badge-warn { background: rgba(248, 113, 113, 0.2); color: var(--danger-color); }

.health-metric-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5px;
}

.metric-block {
  display: flex;
  flex-direction: column;
  gap: 1px;
}

.m-label {
  font-size: 0.65rem;
  color: var(--text-muted);
}

.m-val {
  font-size: 0.82rem;
  font-weight: 700;
  font-family: monospace;
}

/* Offscreen Visualizer */
.visualizer-section {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 8px 12px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.visualizer-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.vis-title {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
}

.vis-legend {
  display: flex;
  gap: 10px;
  font-size: 0.68rem;
  color: var(--text-muted);
}

.legend-item { display: flex; align-items: center; gap: 4px; }
.legend-dot { width: 7px; height: 7px; border-radius: 2px; }
.dot-v4 { background: var(--v4-color); }
.dot-v5 { background: var(--v5-color); }
.dot-fusion { background: var(--fusion-color); }
.dot-rnnoise { background: var(--rnnoise-color); }
.dot-intent { background: var(--intent-color); }

.multi-track-canvas {
  width: 100%;
  height: 105px;
  background: #030508;
  border-radius: 4px;
  border: 1px solid var(--border-subtle);
  display: block;
}

/* 5-Column Model Grid */
.model-grid-5col {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 10px;
}

.model-card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  display: flex;
  flex-direction: column;
}

.model-card-header {
  padding: 7px 10px;
  display: flex;
  align-items: center;
  gap: 6px;
  border-bottom: 1px solid var(--border-color);
  background: rgba(255, 255, 255, 0.015);
}

.model-card-header h2 {
  font-size: 0.76rem;
  font-weight: 700;
  flex-grow: 1;
}

.badge {
  font-size: 0.62rem;
  padding: 1px 4px;
  border-radius: 3px;
  font-weight: bold;
}

.badge-v4 { background: rgba(56, 189, 248, 0.2); color: var(--v4-color); }
.badge-v5 { background: rgba(52, 211, 153, 0.2); color: var(--v5-color); }
.badge-fusion { background: rgba(167, 139, 250, 0.2); color: var(--fusion-color); }
.badge-rnnoise { background: rgba(6, 182, 212, 0.2); color: var(--rnnoise-color); }
.badge-yamnet { background: rgba(245, 158, 11, 0.2); color: var(--yamnet-color); }

.watchdog-tag {
  font-size: 0.62rem;
  padding: 1px 4px;
  border-radius: 3px;
  background: #1a2538;
  color: #94a3b8;
  font-family: monospace;
}

.card-body {
  padding: 10px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.detection-banner {
  padding: 8px;
  text-align: center;
  font-weight: 800;
  letter-spacing: 0.6px;
  border-radius: 4px;
  background: var(--panel-bg);
  color: var(--text-muted);
  font-size: 0.74rem;
  transition: all 0.08s ease;
}

.detection-banner.active-speech {
  background: #065f46;
  color: #34d399;
  box-shadow: inset 0 0 8px rgba(52, 211, 153, 0.3);
}

.rnnoise-banner { background: #082f49; color: #38bdf8; font-size: 0.7rem; }
.yamnet-banner { background: #271c06; color: #fcd34d; font-size: 0.7rem; }

.yamnet-classes-list {
  display: flex;
  flex-direction: column;
  gap: 3px;
  font-size: 0.68rem;
  color: var(--text-muted);
}

.class-row {
  display: flex;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 1px;
}

.class-row strong {
  color: var(--text-main);
  font-family: monospace;
}

.metric-row {
  display: flex;
  justify-content: space-between;
  font-size: 0.72rem;
}

.metric-val {
  font-family: monospace;
  font-weight: bold;
}

.meter-bar-bg {
  width: 100%;
  height: 5px;
  background: #1a2538;
  border-radius: 3px;
  overflow: hidden;
}

.meter-bar-fill {
  height: 100%;
  width: 0%;
  transition: width 0.04s ease-out;
}

.fill-v4 { background: var(--v4-color); }
.fill-v5 { background: var(--v5-color); }
.fill-fusion { background: var(--fusion-color); }
.fill-rnnoise { background: var(--rnnoise-color); }
.fill-intent { background: var(--intent-color); }

.threshold-control-group {
  display: flex;
  flex-direction: column;
  gap: 2px;
  font-size: 0.68rem;
  color: var(--text-muted);
}

.threshold-control-group input[type="range"] {
  width: 100%;
  accent-color: var(--v4-color);
  cursor: pointer;
}

.metric-stats {
  display: flex;
  justify-content: space-between;
  font-size: 0.66rem;
  color: var(--text-muted);
  border-top: 1px solid var(--border-color);
  padding-top: 5px;
  font-family: monospace;
}

.health-ok { color: var(--v5-color); }
.health-warn { color: var(--danger-color); }

/* Terminal Log Ledger */
.system-log-terminal {
  background: #030508;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  height: 270px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.terminal-header-bar {
  padding: 5px 8px;
  background: var(--header-bg);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 5px;
}

.terminal-title {
  font-size: 0.72rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 5px;
  font-family: monospace;
}

.filter-controls {
  display: flex;
  align-items: center;
  gap: 4px;
  flex-wrap: wrap;
}

.filter-chip {
  font-size: 0.66rem;
  padding: 1px 4px;
  border-radius: 3px;
  background: var(--panel-bg);
  display: flex;
  align-items: center;
  gap: 3px;
  cursor: pointer;
  user-select: none;
  font-family: monospace;
}

.chip-toggle-v4 { color: var(--v4-color); }
.chip-toggle-v5 { color: var(--v5-color); }
.chip-toggle-fusion { color: var(--fusion-color); }
.chip-toggle-rnnoise { color: var(--rnnoise-color); }
.chip-toggle-yamnet { color: var(--yamnet-color); }
.chip-toggle-intent { color: var(--intent-color); }
.chip-toggle-acoustic { color: var(--acoustic-color); }
.chip-toggle-sys { color: var(--sys-color); }

.select-filter, .input-search {
  background: var(--panel-bg);
  border: 1px solid var(--border-color);
  color: #fff;
  font-size: 0.68rem;
  padding: 2px 4px;
  border-radius: 3px;
}

.input-search { width: 120px; }

.btn-sm {
  background: #1a2538;
  border: none;
  color: #f1f5f9;
  padding: 2px 6px;
  font-size: 0.68rem;
  border-radius: 3px;
  cursor: pointer;
  font-weight: 600;
}

.btn-sm:hover { background: #334155; }
.btn-clear { background: rgba(248, 113, 113, 0.2); color: var(--danger-color); }

.log-columns-header {
  display: grid;
  grid-template-columns: 80px 55px 75px 130px 60px 60px 95px 1fr;
  gap: 6px;
  padding: 5px 10px;
  background: #060c18;
  border-bottom: 1px solid var(--border-color);
  font-size: 0.65rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  font-family: monospace;
  letter-spacing: 0.5px;
}

.terminal-body {
  padding: 4px 8px;
  overflow-y: auto;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.7rem;
  display: flex;
  flex-direction: column;
  gap: 2px;
  flex-grow: 1;
}

.log-row {
  display: grid;
  grid-template-columns: 80px 55px 75px 130px 60px 60px 95px 1fr;
  gap: 6px;
  padding: 3px 6px;
  border-radius: 3px;
  align-items: center;
  cursor: pointer;
  transition: background 0.1s ease;
}

.log-row:hover {
  background: rgba(255, 255, 255, 0.05);
}

.log-row.v4 { color: #bae6fd; border-left: 3px solid var(--v4-color); }
.log-row.v5 { color: #a7f3d0; border-left: 3px solid var(--v5-color); }
.log-row.fusion { color: #ddd6fe; border-left: 3px solid var(--fusion-color); }
.log-row.rnnoise { color: #a5f3fc; border-left: 3px solid var(--rnnoise-color); }
.log-row.yamnet { color: #fde68a; border-left: 3px solid var(--yamnet-color); }
.log-row.intent { color: #fecdd3; border-left: 3px solid var(--intent-color); }
.log-row.acoustic { color: #fbcfe8; border-left: 3px solid var(--acoustic-color); }
.log-row.system { color: #e2e8f0; border-left: 3px solid var(--sys-color); }

.log-cell-frame { color: #64748b; font-family: monospace; }
.log-cell-event { font-weight: 700; letter-spacing: 0.2px; }
.log-cell-snr { color: var(--v4-color); font-size: 0.66rem; font-family: monospace; }
.log-cell-msg { color: #cbd5e1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.log-row-expanded {
  background: #080f20 !important;
  padding: 8px 12px;
  font-size: 0.68rem;
  color: #94a3b8;
  border-bottom: 1px solid var(--border-color);
  border-left: 3px solid var(--v4-color);
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.log-row-expanded pre {
  background: #03060c;
  padding: 8px;
  border-radius: 4px;
  color: var(--v4-color);
  overflow-x: auto;
  border: 1px solid var(--border-subtle);
  font-family: monospace;
}

/* Modal Benchmark Overlay */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(3, 5, 8, 0.85);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

.modal-card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  width: 90%;
  max-width: 680px;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.8);
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 10px;
}

.modal-header h2 {
  font-size: 1.1rem;
  font-weight: 700;
}

.btn-close {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1.4rem;
  cursor: pointer;
}

.progress-bar-bg {
  width: 100%;
  height: 8px;
  background: #1a2538;
  border-radius: 4px;
  overflow: hidden;
}

.progress-bar-fill {
  height: 100%;
  width: 0%;
  background: var(--v4-color);
  transition: width 0.3s ease;
}

.status-subtext {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 6px;
}

.benchmark-results-view {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-top: 10px;
}

.aqi-score-box {
  background: var(--panel-bg);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 14px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

.aqi-label {
  font-size: 0.74rem;
  color: var(--text-muted);
  text-transform: uppercase;
  font-weight: 700;
}

.aqi-val {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--v5-color);
  font-family: monospace;
}

.aqi-grade {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-main);
}

.recommendations-box {
  background: var(--panel-bg);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.recommendations-box h3 {
  font-size: 0.8rem;
  color: var(--v4-color);
  text-transform: uppercase;
}

.recs-list {
  padding-left: 18px;
  font-size: 0.75rem;
  color: var(--text-main);
  display: flex;
  flex-direction: column;
  gap: 4px;
}

/* Local Edge-AI Diagnostic Briefing Box */
.ai-briefing-box {
  background: #091326;
  border: 1px solid var(--v4-color);
  border-radius: 6px;
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.ai-briefing-box h3 {
  font-size: 0.8rem;
  color: var(--v5-color);
  text-transform: uppercase;
}

.ai-briefing-text {
  font-size: 0.76rem;
  color: var(--text-main);
  line-height: 1.4;
}