/**
 * ApplianceOps Voice Architecture Benchmark — Stylesheet
 * Refined and simplified according to /impeccable craft floor:
 * - High-contrast, scannable industrial telemetry console
 * - Typography: IBM Plex Sans + JetBrains Mono
 * - Disciplined spacing, flattened hierarchy, zero visual fluff
 * - WCAG AA compliant contrast (>4.5:1) across all text elements
 */

:root {
  /* Surfaces */
  --bg: #090d16;
  --bg-subtle: #0f1724;
  --panel: #131c2a;
  --panel-elevated: #1a2538;
  --panel-highlight: #202d42;
  --border: #233144;
  --border-focus: #3b506a;

  /* Typography */
  --text-main: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #94a3b8;

  /* Architecture Colors (WCAG AA Compliant on dark surfaces) */
  --color-cf: #f59e0b;
  --color-cf-bg: rgba(245, 158, 11, 0.12);
  --color-cf-border: rgba(245, 158, 11, 0.35);

  --color-livekit: #60a5fa;
  --color-livekit-bg: rgba(96, 165, 250, 0.12);
  --color-livekit-border: rgba(96, 165, 250, 0.35);

  --color-retell: #c084fc;
  --color-retell-bg: rgba(192, 132, 252, 0.12);
  --color-retell-border: rgba(192, 132, 252, 0.35);

  /* Pipeline Stage Latencies */
  --stage-vad: #475569;
  --stage-stt: #0284c7;
  --stage-llm: #7c3aed;
  --stage-tool: #ea580c;
  --stage-tts: #059669;

  /* Semantic Feedback */
  --success: #34d399;
  --success-bg: rgba(52, 211, 153, 0.12);
  --success-border: rgba(52, 211, 153, 0.35);

  /* Fonts */
  --font-sans: "IBM Plex Sans", system-ui, -apple-system, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, monospace;
}

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

::selection {
  background: rgba(245, 158, 11, 0.3);
  color: #ffffff;
}

:focus-visible {
  outline: 2px solid var(--color-cf);
  outline-offset: 2px;
}

body {
  margin: 0;
  padding: 0;
  background-color: var(--bg);
  color: var(--text-main);
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

/* Custom Scrollbars */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg);
}

::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--border-focus);
}

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

/* -------------------------------------------------------------------------- */
/* Header                                                                     */
/* -------------------------------------------------------------------------- */

.header {
  border-bottom: 1px solid var(--border);
  background-color: var(--bg-subtle);
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(12px);
}

.header-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1.15rem 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.brand-group {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.brand-badge {
  background: var(--panel);
  border: 1px solid var(--border);
  color: var(--text-main);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.3rem 0.6rem;
  border-radius: 4px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.header-titles {
  display: flex;
  flex-direction: column;
}

.main-title {
  margin: 0;
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-main);
  line-height: 1.25;
}

.subtitle {
  margin: 0.25rem 0 0;
  font-size: 0.875rem;
  color: var(--text-secondary);
  max-width: 680px;
  line-height: 1.45;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.status-indicator {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--panel);
  border: 1px solid var(--border);
  padding: 0.4rem 0.75rem;
  border-radius: 9999px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--success);
}

/* -------------------------------------------------------------------------- */
/* Main Content Layout                                                        */
/* -------------------------------------------------------------------------- */

.main-content {
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
  padding: 2.5rem 1.5rem 4rem;
  display: flex;
  flex-direction: column;
  gap: 3.5rem;
}

.section {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  flex-wrap: wrap;
  gap: 1rem;
  border-bottom: 1px solid var(--border);
  padding-bottom: 1rem;
}

.section-title {
  margin: 0;
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.015em;
  color: var(--text-main);
}

.section-desc {
  margin: 0.35rem 0 0;
  font-size: 0.875rem;
  color: var(--text-secondary);
  max-width: 650px;
}

/* -------------------------------------------------------------------------- */
/* Scenario Filter Buttons                                                    */
/* -------------------------------------------------------------------------- */

.filter-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.filter-btn {
  background: var(--panel);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  font-family: var(--font-sans);
  font-size: 0.8rem;
  font-weight: 500;
  padding: 0.45rem 0.85rem;
  min-height: 36px;
  border-radius: 6px;
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

.filter-btn:hover {
  background: var(--panel-elevated);
  color: var(--text-main);
  border-color: var(--border-focus);
}

.filter-btn.active {
  background: var(--panel-highlight);
  color: var(--text-main);
  border-color: var(--color-cf);
  font-weight: 600;
}

/* -------------------------------------------------------------------------- */
/* Latency Waterfall Component                                                */
/* -------------------------------------------------------------------------- */

.pipeline-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
  padding: 0.75rem 1rem;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 0.78rem;
  color: var(--text-secondary);
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 0.45rem;
}

.legend-swatch {
  width: 10px;
  height: 10px;
  border-radius: 2px;
}

.stage-vad { background-color: var(--stage-vad); }
.stage-stt { background-color: var(--stage-stt); }
.stage-llm { background-color: var(--stage-llm); }
.stage-tool { background-color: var(--stage-tool); }
.stage-tts { background-color: var(--stage-tts); }

.waterfall-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  box-shadow: 0 4px 16px -2px rgba(0, 0, 0, 0.3);
}

.waterfall-list {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.arch-row {
  display: grid;
  grid-template-columns: 240px 1fr;
  align-items: center;
  gap: 1.5rem;
}

@media (max-width: 820px) {
  .arch-row {
    grid-template-columns: 1fr;
    gap: 0.6rem;
  }
}

.arch-meta {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.arch-name-tag {
  font-size: 0.95rem;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.tag-cf { color: var(--color-cf); }
.tag-livekit { color: var(--color-livekit); }
.tag-retell { color: var(--color-retell); }

.arch-specs {
  font-size: 0.78rem;
  color: var(--text-secondary);
  line-height: 1.4;
}

.waterfall-bar-track {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  min-width: 0;
}

.waterfall-bar-segments {
  height: 38px;
  background: var(--bg-subtle);
  border: 1px solid var(--border);
  border-radius: 6px;
  display: flex;
  overflow: hidden;
  flex-grow: 1;
  position: relative;
}

.bar-segment {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  color: #ffffff;
  cursor: pointer;
  transition: width 0.3s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.15s ease, filter 0.15s ease;
  user-select: none;
  white-space: nowrap;
  padding: 0 6px;
  overflow: hidden;
  text-overflow: ellipsis;
}

.bar-segment:hover {
  filter: brightness(1.2);
}

.bar-segment:focus-visible {
  outline: 2px solid #ffffff;
  outline-offset: -2px;
  z-index: 10;
}

.waterfall-total {
  font-family: var(--font-mono);
  font-size: 1.15rem;
  font-weight: 700;
  min-width: 80px;
  text-align: right;
  color: var(--text-main);
  font-variant-numeric: tabular-nums;
}

.waterfall-detail-bar {
  padding: 0.9rem 1.15rem;
  background: var(--bg-subtle);
  border: 1px solid var(--border);
  border-radius: 6px;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--text-secondary);
  min-height: 48px;
  display: flex;
  align-items: center;
}

.inspector-hint {
  color: var(--text-secondary);
  font-style: italic;
}

/* Integrated Latency Highlights Bar */
.waterfall-summary-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border);
}

@media (max-width: 850px) {
  .waterfall-summary-strip {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 500px) {
  .waterfall-summary-strip {
    grid-template-columns: 1fr;
  }
}

.summary-metric {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.summary-label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-secondary);
}

.summary-val {
  font-family: var(--font-mono);
  font-size: 1.25rem;
  font-weight: 700;
  line-height: 1.3;
  font-variant-numeric: tabular-nums;
}

.summary-note {
  font-size: 0.78rem;
  color: var(--text-secondary);
}

/* -------------------------------------------------------------------------- */
/* Economics & Unit Costs                                                     */
/* -------------------------------------------------------------------------- */

.economics-container {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.volume-toolbar {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.25rem 1.5rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: center;
}

@media (max-width: 700px) {
  .volume-toolbar {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }
}

.volume-input-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.volume-label-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.volume-label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.volume-value {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--text-main);
  font-variant-numeric: tabular-nums;
}

.slider {
  width: 100%;
  accent-color: var(--color-cf);
  cursor: pointer;
  height: 6px;
  border-radius: 3px;
  background: var(--border);
}

.slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--color-cf);
  cursor: pointer;
  border: 2px solid var(--panel);
  transition: transform 0.1s ease;
}

.slider::-webkit-slider-thumb:hover {
  transform: scale(1.15);
}

.slider::-moz-range-thumb {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--color-cf);
  cursor: pointer;
  border: 2px solid var(--panel);
}

/* Tables */
.table-container {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1rem;
  overflow-x: auto;
  box-shadow: 0 4px 16px -2px rgba(0, 0, 0, 0.3);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
  text-align: left;
}

.data-table th,
.data-table td {
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border);
}

.data-table th:not(:first-child),
.data-table td:not(:first-child) {
  text-align: right;
}

.data-table thead th {
  background: var(--bg-subtle);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.data-table tbody th {
  font-weight: 500;
  color: var(--text-main);
}

.cell-sub {
  font-size: 0.78rem;
  color: var(--text-secondary);
  font-weight: normal;
  display: inline-block;
  margin-left: 0.25rem;
}

.table-subtotal-row {
  background: var(--panel-elevated);
}

.table-subtotal-row th,
.table-subtotal-row td {
  border-top: 2px solid var(--border);
  font-size: 0.95rem;
}

.table-total-row {
  background: var(--panel-highlight);
}

.table-total-row th,
.table-total-row td {
  border-bottom: none;
  font-size: 1.05rem;
}

.savings-callout {
  border: 1px solid var(--color-cf-border);
  background: var(--color-cf-bg);
  padding: 1.15rem 1.5rem;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.savings-content {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  flex-wrap: wrap;
}

.savings-badge {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--color-cf);
  letter-spacing: 0.05em;
}

.savings-amount {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text-main);
  font-variant-numeric: tabular-nums;
}

.savings-caption {
  font-size: 0.82rem;
  color: var(--text-secondary);
}

/* -------------------------------------------------------------------------- */
/* Policy & Security Scorecards (Master-Detail Layout)                        */
/* -------------------------------------------------------------------------- */

.fidelity-layout {
  display: grid;
  grid-template-columns: 340px 1fr;
  gap: 1.5rem;
  align-items: start;
}

@media (max-width: 900px) {
  .fidelity-layout {
    grid-template-columns: 1fr;
  }
}

.scenarios-list {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.scenario-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1rem 1.15rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease;
}

.scenario-card:hover {
  background: var(--panel-elevated);
  border-color: var(--border-focus);
}

.scenario-card.active-card {
  background: var(--panel-elevated);
  border-color: var(--color-cf);
}

.scenario-meta-line {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.scenario-id {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-secondary);
  font-weight: 600;
}

.status-pill {
  font-size: 0.72rem;
  font-weight: 600;
  padding: 0.15rem 0.5rem;
  border-radius: 4px;
  letter-spacing: 0.03em;
}

.status-pill-success {
  background: var(--success-bg);
  color: var(--success);
  border: 1px solid var(--success-border);
}

.status-pill-neutral {
  background: var(--bg-subtle);
  color: var(--text-secondary);
  border: 1px solid var(--border);
}

.scenario-title {
  margin: 0;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-main);
  line-height: 1.35;
}

.scenario-desc {
  margin: 0;
  font-size: 0.8rem;
  color: var(--text-secondary);
  line-height: 1.45;
}

/* Transcript & Payload Inspector */
.transcript-inspector {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  min-height: 420px;
  box-shadow: 0 4px 16px -2px rgba(0, 0, 0, 0.3);
}

.inspector-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--border);
  padding-bottom: 0.75rem;
  gap: 1rem;
}

.inspector-title {
  margin: 0;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-main);
}

.btn-icon {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.35rem;
  border-radius: 4px;
}

.btn-icon:hover {
  background: var(--panel-elevated);
  color: var(--text-main);
}

.inspector-body {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.turn-item {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.turn-role {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.role-user { color: var(--color-livekit); }
.role-assistant { color: var(--color-cf); }
.role-tool { color: var(--color-retell); }

.turn-bubble {
  background: var(--bg-subtle);
  border: 1px solid var(--border);
  padding: 0.85rem 1.15rem;
  border-radius: 6px;
  font-size: 0.875rem;
  line-height: 1.5;
}

/* -------------------------------------------------------------------------- */
/* Tool Execution Panel                                                       */
/* -------------------------------------------------------------------------- */

.tool-measure-panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  box-shadow: 0 4px 16px -2px rgba(0, 0, 0, 0.3);
}

.measure-actions {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.measure-results-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

@media (max-width: 650px) {
  .measure-results-grid {
    grid-template-columns: 1fr;
  }
}

.measure-metric-box {
  background: var(--bg-subtle);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.measure-metric-box.active {
  border-color: var(--color-cf-border);
  background: var(--color-cf-bg);
}

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

.metric-box-title {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.metric-box-val {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  line-height: 1.2;
}

.metric-box-desc {
  font-size: 0.78rem;
  color: var(--text-secondary);
}

.console-accordion {
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg-subtle);
  overflow: hidden;
}

.console-summary {
  padding: 0.75rem 1rem;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-secondary);
  cursor: pointer;
  user-select: none;
}

.console-summary:hover {
  color: var(--text-main);
  background: var(--panel-elevated);
}

.console-log {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  background: var(--bg);
  border-top: 1px solid var(--border);
  padding: 1rem;
  overflow: auto;
  max-height: 220px;
  color: var(--text-secondary);
  margin: 0;
  line-height: 1.45;
}

/* -------------------------------------------------------------------------- */
/* Buttons                                                                    */
/* -------------------------------------------------------------------------- */

.btn {
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 600;
  padding: 0.55rem 1.15rem;
  min-height: 38px;
  border-radius: 6px;
  border: 1px solid transparent;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease, opacity 0.15s ease;
}

.btn-sm {
  padding: 0.4rem 0.85rem;
  min-height: 32px;
  font-size: 0.78rem;
}

.btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
  pointer-events: none;
}

.btn-primary {
  background: var(--color-cf);
  color: #0b0f17;
}

.btn-primary:hover {
  background: #d97706;
}

.btn-secondary {
  background: var(--panel);
  border-color: var(--border);
  color: var(--text-main);
}

.btn-secondary:hover {
  background: var(--panel-elevated);
  border-color: var(--border-focus);
}

/* -------------------------------------------------------------------------- */
/* Utilities                                                                  */
/* -------------------------------------------------------------------------- */

.text-cf { color: var(--color-cf); }
.text-livekit { color: var(--color-livekit); }
.text-retell { color: var(--color-retell); }
.text-success { color: var(--success); }
.text-secondary { color: var(--text-secondary); }
.font-mono { font-family: var(--font-mono); }
.font-bold { font-weight: 700; }

/* -------------------------------------------------------------------------- */
/* Footer                                                                     */
/* -------------------------------------------------------------------------- */

.footer {
  margin-top: auto;
  border-top: 1px solid var(--border);
  background: var(--bg-subtle);
  padding: 1.5rem;
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.footer-meta code {
  font-family: var(--font-mono);
  color: var(--text-main);
  background: var(--panel);
  padding: 0.15rem 0.4rem;
  border-radius: 4px;
  border: 1px solid var(--border);
}

/* -------------------------------------------------------------------------- */
/* Section 4: Interactive WebRTC Voice Console                                */
/* -------------------------------------------------------------------------- */

.voice-gate-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 2.25rem 2rem;
  display: flex;
  gap: 1.5rem;
  align-items: flex-start;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
}

.gate-icon-wrapper {
  background: rgba(245, 158, 11, 0.12);
  border: 1px solid rgba(245, 158, 11, 0.3);
  color: var(--color-cf);
  padding: 0.85rem;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.gate-content {
  flex: 1;
}

.gate-title {
  font-size: 1.15rem;
  font-weight: 600;
  margin: 0 0 0.5rem 0;
  color: var(--text-main);
}

.gate-desc {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.5;
  margin: 0 0 1.25rem 0;
  max-width: 650px;
}

.gate-form {
  max-width: 520px;
}

.gate-input-group {
  display: flex;
  gap: 0.75rem;
}

.gate-input {
  flex: 1;
  background: var(--bg-subtle);
  border: 1px solid var(--border);
  color: var(--text-main);
  font-family: var(--font-mono);
  font-size: 0.9rem;
  padding: 0.65rem 0.9rem;
  border-radius: 6px;
  outline: none;
  transition: border-color 0.15s ease;
}

.gate-input:focus {
  border-color: var(--color-cf);
}

.gate-hint {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 0.5rem;
}

.gate-hint code {
  font-family: var(--font-mono);
  color: var(--text-secondary);
}

.gate-err-msg {
  color: #ef4444;
  font-weight: 500;
}

/* Unlocked Voice Console Panel */
.voice-console-panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.3);
}

.console-top-bar {
  background: var(--bg-subtle);
  border-bottom: 1px solid var(--border);
  padding: 0.75rem 1.25rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.session-badge {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--success);
}

.session-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 8px var(--success);
  animation: pulse-dot 2s infinite ease-in-out;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(0.9); }
}

.btn-xs {
  font-size: 0.75rem;
  padding: 0.25rem 0.55rem;
}

.console-layout {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: 1px;
  background: var(--border);
}

@media (max-width: 900px) {
  .console-layout {
    grid-template-columns: 1fr;
  }
}

.console-controls-column {
  background: var(--panel);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.console-transcript-column {
  background: var(--bg-subtle);
  display: flex;
  flex-direction: column;
}

.control-box {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.control-label {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
}

/* Architecture Selector Grid */
.arch-selector-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.5rem;
}

.arch-select-btn {
  background: var(--bg-subtle);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.75rem 0.65rem;
  text-align: left;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  transition: all 0.15s ease;
  color: var(--text-main);
}

.arch-select-btn:hover {
  background: var(--panel-elevated);
  border-color: var(--border-focus);
}

.arch-btn-header {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.arch-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  flex-shrink: 0;
}

.dot-cf { background: var(--color-cf); }
.dot-livekit { background: var(--color-livekit); }
.dot-retell { background: var(--color-retell); }

.arch-title {
  font-size: 0.8rem;
  font-weight: 600;
}

.arch-desc {
  font-size: 0.7rem;
  color: var(--text-muted);
  line-height: 1.3;
}

.arch-speed {
  font-size: 0.7rem;
  font-family: var(--font-mono);
  font-weight: 600;
  margin-top: 0.2rem;
}

/* Active Architecture Styles */
.arch-select-btn.active-cf {
  background: rgba(245, 158, 11, 0.12);
  border-color: var(--color-cf);
}
.arch-select-btn.active-cf .arch-speed { color: var(--color-cf); }

.arch-select-btn.active-livekit {
  background: rgba(96, 165, 250, 0.12);
  border-color: var(--color-livekit);
}
.arch-select-btn.active-livekit .arch-speed { color: var(--color-livekit); }

.arch-select-btn.active-retell {
  background: rgba(192, 132, 252, 0.12);
  border-color: var(--color-retell);
}
.arch-select-btn.active-retell .arch-speed { color: var(--color-retell); }

/* Scenario Select & Meta */
.console-select {
  width: 100%;
  background: var(--bg-subtle);
  border: 1px solid var(--border);
  color: var(--text-main);
  padding: 0.65rem 0.85rem;
  border-radius: 6px;
  font-family: var(--font-sans);
  font-size: 0.85rem;
  outline: none;
  cursor: pointer;
}

.console-select:focus {
  border-color: var(--border-focus);
}

.preset-meta-info {
  background: var(--bg-subtle);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.5rem 0.75rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  font-size: 0.78rem;
  color: var(--text-secondary);
}

.meta-item strong {
  color: var(--text-main);
}

/* Call Control Deck */
.call-deck {
  background: var(--bg-subtle);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.15rem;
  gap: 0.85rem;
}

.call-action-row {
  display: flex;
  gap: 0.5rem;
}

.btn-call-primary {
  flex: 1;
  background: #10b981;
  color: #ffffff;
  border: none;
  border-radius: 8px;
  padding: 0.85rem 1.25rem;
  font-size: 0.95rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  cursor: pointer;
  box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
  transition: all 0.15s ease;
}

.btn-call-primary:hover:not(:disabled) {
  background: #059669;
  transform: translateY(-1px);
}

.btn-call-primary.in-call {
  background: #ef4444;
  box-shadow: 0 4px 14px rgba(239, 68, 68, 0.4);
}

.btn-call-primary.in-call:hover {
  background: #dc2626;
}

.btn-icon-only {
  width: 46px;
  height: 46px;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  cursor: pointer;
}

.btn-icon-only.muted {
  background: rgba(239, 68, 68, 0.2);
  color: #ef4444;
  border-color: #ef4444;
}

.audio-feedback-panel {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.feedback-status-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.75rem;
}

.voice-state-badge {
  font-weight: 600;
  color: var(--text-secondary);
}

.voice-state-badge.state-active {
  color: #10b981;
}

.voice-state-badge.state-speaking {
  color: var(--color-cf);
}

.call-timer {
  font-family: var(--font-mono);
  color: var(--text-muted);
}

.visualizer-wrapper {
  background: #060911;
  border: 1px solid var(--border);
  border-radius: 6px;
  height: 48px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.visualizer-canvas {
  width: 100%;
  height: 100%;
  display: block;
}

/* Prompt Chips */
.prompt-chip-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.prompt-chip {
  background: var(--bg-subtle);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  font-size: 0.75rem;
  padding: 0.35rem 0.65rem;
  border-radius: 14px;
  cursor: pointer;
  transition: all 0.15s ease;
}

.prompt-chip:hover {
  background: var(--panel-elevated);
  border-color: var(--border-focus);
  color: var(--text-main);
}

/* Transcript Card & Feed */
.transcript-card {
  display: flex;
  flex-direction: column;
  height: 100%;
  min-height: 480px;
}

.transcript-header {
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.transcript-title-group {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.transcript-card-title {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-main);
}

.live-pulse {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #10b981;
  box-shadow: 0 0 6px #10b981;
  opacity: 0;
  transition: opacity 0.2s ease;
}

.live-pulse.active {
  opacity: 1;
  animation: pulse-dot 1.2s infinite ease-in-out;
}

.transcript-messages-feed {
  flex: 1;
  padding: 1.25rem;
  overflow-y: auto;
  max-height: 380px;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.feed-empty-state {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.85rem;
  padding: 2rem;
}

.transcript-turn {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.transcript-turn.turn-user {
  align-items: flex-end;
}

.transcript-turn.turn-assistant {
  align-items: flex-start;
}

.turn-speaker-label {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--text-muted);
}

.turn-bubble {
  max-width: 85%;
  padding: 0.65rem 0.95rem;
  border-radius: 10px;
  font-size: 0.88rem;
  line-height: 1.45;
}

.turn-user .turn-bubble {
  background: rgba(96, 165, 250, 0.15);
  border: 1px solid rgba(96, 165, 250, 0.3);
  color: #e0f2fe;
  border-bottom-right-radius: 2px;
}

.turn-assistant .turn-bubble {
  background: var(--panel-elevated);
  border: 1px solid var(--border);
  color: var(--text-main);
  border-bottom-left-radius: 2px;
}

.tool-badge-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  background: rgba(234, 88, 12, 0.15);
  border: 1px solid rgba(234, 88, 12, 0.35);
  color: #fdba74;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  padding: 0.25rem 0.55rem;
  border-radius: 4px;
  margin-top: 0.35rem;
}

.turn-telemetry-footer {
  border-top: 1px solid var(--border);
  background: var(--panel);
  padding: 0.75rem 1.25rem;
  display: flex;
  gap: 1.5rem;
}

.telemetry-pill {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.pill-label {
  font-size: 0.68rem;
  text-transform: uppercase;
  color: var(--text-muted);
  letter-spacing: 0.04em;
}

.pill-value {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-main);
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}