/* ==========================================================================
   Gemini Transcribe Studio — Ultra-Clean Production Stylesheet
   ========================================================================== */

:root {
  --bg: #f8fafc;
  --bg-elevated: #ffffff;
  --bg-muted: #f1f5f9;
  --bg-subtle: #e2e8f0;
  --border: #e2e8f0;
  --border-strong: #cbd5e1;

  --text: #0f172a;
  --text-secondary: #475569;
  --text-muted: #64748b;

  --accent: #4f46e5;
  --accent-hover: #4338ca;
  --accent-soft: rgba(79, 70, 229, 0.08);
  --accent-border: rgba(79, 70, 229, 0.25);

  --success: #059669;
  --success-soft: rgba(5, 150, 105, 0.1);
  --warning: #d97706;
  --warning-soft: rgba(217, 119, 6, 0.12);
  --danger: #e11d48;
  --danger-soft: rgba(225, 29, 72, 0.1);

  --shadow-xs: 0 1px 2px rgba(15, 23, 42, 0.04);
  --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.06), 0 1px 2px rgba(15, 23, 42, 0.04);
  --shadow-lg: 0 20px 45px -12px rgba(15, 23, 42, 0.18);

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-full: 9999px;

  --font-sans: "Inter", "Noto Sans Bengali", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

[data-theme="dark"] {
  --bg: #0b1120;
  --bg-elevated: #111827;
  --bg-muted: #1e293b;
  --bg-subtle: #334155;
  --border: #1e293b;
  --border-strong: #334155;

  --text: #f1f5f9;
  --text-secondary: #cbd5e1;
  --text-muted: #94a3b8;

  --accent: #6366f1;
  --accent-hover: #818cf8;
  --accent-soft: rgba(99, 102, 241, 0.14);
  --accent-border: rgba(99, 102, 241, 0.35);

  --success: #10b981;
  --success-soft: rgba(16, 185, 129, 0.15);
  --warning: #f59e0b;
  --warning-soft: rgba(245, 158, 11, 0.15);
  --danger: #fb7185;
  --danger-soft: rgba(251, 113, 133, 0.15);

  --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.25);
  --shadow-sm: 0 2px 6px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 24px 50px -12px rgba(0, 0, 0, 0.55);
}

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

html,
body {
  margin: 0;
  padding: 0;
  min-height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

.hidden {
  display: none !important;
}

.icon {
  display: inline-block;
  vertical-align: middle;
  flex-shrink: 0;
}

/* ==========================================================================
   App Shell & Topbar
   ========================================================================== */

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

.topbar {
  position: sticky;
  top: 0;
  z-index: 30;
  height: 58px;
  padding: 0 20px;
  background: var(--bg-elevated);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.topbar-left {
  display: flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.brand-mark {
  width: 34px;
  height: 34px;
  border-radius: var(--radius-md);
  background: var(--accent);
  color: #ffffff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 8px rgba(79, 70, 229, 0.3);
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.brand-title {
  font-size: 14.5px;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--text);
}

.brand-subtitle {
  font-size: 11.5px;
  color: var(--text-muted);
}

.model-badge {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  background: var(--bg-muted);
  border: 1px solid var(--border);
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--text-secondary);
}

.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--text-muted);
  transition: background 0.2s ease, box-shadow 0.2s ease;
}

.status-dot.ready {
  background: var(--success);
}

.status-dot.running {
  background: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
  animation: pulseDot 1.6s ease-in-out infinite;
}

.status-dot.error {
  background: var(--danger);
}

@keyframes pulseDot {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.45; }
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

/* ==========================================================================
   Buttons, Inputs & Controls
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  height: 36px;
  padding: 0 14px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  font-family: inherit;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s ease;
  white-space: nowrap;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-sm {
  height: 32px;
  padding: 0 11px;
  font-size: 12.5px;
}

.btn-xs {
  height: 26px;
  padding: 0 9px;
  font-size: 11.5px;
}

.btn-lg {
  height: 42px;
  padding: 0 18px;
  font-size: 13.5px;
  font-weight: 600;
  border-radius: var(--radius-md);
}

.full-width {
  width: 100%;
}

.btn-primary {
  background: var(--accent);
  color: #ffffff;
  box-shadow: var(--shadow-xs);
}

.btn-primary:hover:not(:disabled) {
  background: var(--accent-hover);
}

.btn-secondary {
  background: var(--bg-elevated);
  border-color: var(--border-strong);
  color: var(--text);
}

.btn-secondary:hover:not(:disabled) {
  background: var(--bg-muted);
}

.btn-danger {
  background: var(--danger);
  color: #ffffff;
}

.btn-danger:hover:not(:disabled) {
  filter: brightness(0.92);
}

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
}

.btn-ghost:hover:not(:disabled) {
  background: var(--bg-muted);
  color: var(--text);
}

.btn-icon {
  width: 34px;
  height: 34px;
  padding: 0;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
}

.btn-icon:hover:not(:disabled) {
  background: var(--bg-muted);
  color: var(--text);
}

.pill-count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 20px;
  height: 20px;
  padding: 0 6px;
  border-radius: var(--radius-full);
  background: var(--accent-soft);
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
}

.segmented-control {
  display: inline-flex;
  padding: 3px;
  background: var(--bg-muted);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  gap: 2px;
}

.segmented-control.full {
  display: flex;
  width: 100%;
}

.segmented-control.full .seg-btn {
  flex: 1;
}

.seg-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
  height: 28px;
  padding: 0 10px;
  border: none;
  border-radius: 4px;
  background: transparent;
  color: var(--text-muted);
  font-family: inherit;
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s ease;
}

.segmented-control.compact .seg-btn {
  height: 26px;
  padding: 0 9px;
}

.seg-btn.active {
  background: var(--bg-elevated);
  color: var(--text);
  box-shadow: var(--shadow-xs);
}

.input,
.textarea {
  width: 100%;
  background: var(--bg-elevated);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-family: inherit;
  font-size: 13px;
  padding: 8px 10px;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.input {
  height: 36px;
}

.textarea {
  resize: vertical;
  min-height: 76px;
}

.input:focus,
.textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.field-label {
  font-size: 12px;
  font-weight: 500;
  color: var(--text-secondary);
}

.field-desc {
  margin: 0;
  font-size: 11.5px;
  color: var(--text-muted);
}

.form-stack {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.form-grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
}

/* Toggle Switch */
.switch-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--border);
  cursor: pointer;
}

.switch-text {
  display: flex;
  flex-direction: column;
}

.switch-title {
  font-size: 12.5px;
  font-weight: 500;
  color: var(--text);
}

.switch-sub {
  font-size: 11.5px;
  color: var(--text-muted);
}

.toggle-input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.toggle-track {
  position: relative;
  width: 38px;
  height: 22px;
  border-radius: var(--radius-full);
  background: var(--border-strong);
  flex-shrink: 0;
  transition: background 0.18s ease;
}

.toggle-track::after {
  content: "";
  position: absolute;
  top: 3px;
  left: 3px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: #ffffff;
  box-shadow: var(--shadow-xs);
  transition: transform 0.18s ease;
}

.toggle-input:checked + .toggle-track {
  background: var(--accent);
}

.toggle-input:checked + .toggle-track::after {
  transform: translateX(16px);
}

/* ==========================================================================
   Workspace Grid & Cards
   ========================================================================== */

.workspace {
  flex: 1;
  max-width: 1520px;
  width: 100%;
  margin: 0 auto;
  padding: 18px 20px 28px;
  display: grid;
  grid-template-columns: 360px minmax(0, 1fr);
  gap: 18px;
  align-items: start;
}

.sidebar {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.content-area {
  display: flex;
  flex-direction: column;
  gap: 14px;
  min-width: 0;
}

.card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xs);
  overflow: hidden;
}

.card-header {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.card-title-group {
  display: flex;
  align-items: center;
  gap: 8px;
}

.card-title {
  margin: 0;
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
}

.panel-body {
  padding: 14px 16px;
}

.badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  border-radius: var(--radius-full);
  background: var(--bg-muted);
  color: var(--text-secondary);
  font-size: 11px;
  font-weight: 500;
}

/* ==========================================================================
   Dropzone, Queue & Waveform Preview
   ========================================================================== */

.dropzone {
  border: 1.5px dashed var(--border-strong);
  border-radius: var(--radius-md);
  padding: 22px 14px;
  text-align: center;
  cursor: pointer;
  background: var(--bg);
  transition: border-color 0.15s ease, background 0.15s ease;
}

.dropzone:hover,
.dropzone.dragover {
  border-color: var(--accent);
  background: var(--accent-soft);
}

.dropzone-icon {
  width: 40px;
  height: 40px;
  margin: 0 auto 10px;
  border-radius: var(--radius-md);
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
}

.dropzone-title {
  font-size: 13px;
  font-weight: 500;
  color: var(--text);
}

.dropzone-hint {
  margin-top: 4px;
  font-size: 11.5px;
  color: var(--text-muted);
}

.file-queue {
  margin-top: 12px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  max-height: 180px;
  overflow-y: auto;
}

.queue-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 8px 10px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg);
  cursor: pointer;
  transition: border-color 0.15s ease, background 0.15s ease;
}

.queue-item.active {
  border-color: var(--accent-border);
  background: var(--accent-soft);
}

.queue-item-main {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
  flex: 1;
}

.queue-item-info {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.queue-item-name {
  font-size: 12.5px;
  font-weight: 500;
  color: var(--text);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.queue-item-meta {
  font-size: 11px;
  color: var(--text-muted);
}

.queue-item-right {
  display: flex;
  align-items: center;
  gap: 6px;
}

.status-chip {
  font-size: 10.5px;
  font-weight: 600;
  padding: 2px 7px;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.status-chip.pending { background: var(--bg-muted); color: var(--text-muted); }
.status-chip.decoding,
.status-chip.processing { background: var(--accent-soft); color: var(--accent); }
.status-chip.done { background: var(--success-soft); color: var(--success); }
.status-chip.partial { background: var(--warning-soft); color: var(--warning); }
.status-chip.failed { background: var(--danger-soft); color: var(--danger); }

.audio-preview {
  margin-top: 12px;
  padding: 10px 12px;
  border-radius: var(--radius-md);
  background: var(--bg);
  border: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.preview-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.preview-filename {
  font-size: 12px;
  font-weight: 600;
  color: var(--text);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.preview-specs {
  font-size: 11px;
  color: var(--text-muted);
  flex-shrink: 0;
}

.waveform-strip {
  height: 36px;
  display: flex;
  align-items: center;
  gap: 2px;
  padding: 2px 0;
}

.wave-bar {
  flex: 1;
  min-width: 1px;
  border-radius: 2px;
  background: var(--border-strong);
  transition: background 0.2s ease, height 0.2s ease;
}

.wave-bar.done {
  background: var(--success);
}

.wave-bar.active {
  background: var(--accent);
}

.wave-bar.failed {
  background: var(--danger);
}

#audioPlayer {
  width: 100%;
  height: 34px;
}

/* ==========================================================================
   Mic Panel
   ========================================================================== */

.mic-panel {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.mic-meter-wrap {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.mic-meter-label {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  color: var(--text-secondary);
}

.mic-meter-track {
  height: 8px;
  background: var(--bg-muted);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.mic-meter-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--accent), var(--success));
  border-radius: var(--radius-full);
  transition: width 0.08s linear;
}

.helper-text {
  margin: 0;
  font-size: 11.5px;
  color: var(--text-muted);
  line-height: 1.45;
}

/* ==========================================================================
   Accordion & Run Controls
   ========================================================================== */

.accordion-trigger {
  width: 100%;
  padding: 12px 16px;
  background: transparent;
  border: none;
  color: var(--text);
  font-family: inherit;
  font-size: 13px;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
}

.accordion-trigger:hover {
  background: var(--bg);
}

.accordion-title {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.accordion-chevron {
  color: var(--text-muted);
  transition: transform 0.2s ease;
}

.accordion-trigger[aria-expanded="true"] .accordion-chevron {
  transform: rotate(180deg);
}

.accordion-content {
  padding: 14px 16px;
  border-top: 1px solid var(--border);
}

.run-controls {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.secondary-run-row {
  display: flex;
  gap: 8px;
}

.secondary-run-row > .btn {
  flex: 1;
}

/* ==========================================================================
   Telemetry Bar
   ========================================================================== */

.telemetry-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.stat-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 12px 14px;
  box-shadow: var(--shadow-xs);
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.stat-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.stat-label {
  font-size: 11.5px;
  font-weight: 500;
  color: var(--text-muted);
}

.stat-icon {
  color: var(--text-muted);
}

.stat-value {
  font-size: 17px;
  font-weight: 600;
  color: var(--text);
  letter-spacing: -0.02em;
}

.stat-sub {
  font-size: 11.5px;
  color: var(--text-muted);
}

.progress-track {
  height: 5px;
  background: var(--bg-muted);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  width: 0%;
  background: var(--accent);
  border-radius: var(--radius-full);
  transition: width 0.25s ease;
}

.key-pool-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-top: 2px;
}

.key-pill {
  font-family: var(--font-mono);
  font-size: 10.5px;
  font-weight: 600;
  padding: 2px 7px;
  border-radius: var(--radius-full);
  border: 1px solid var(--border);
  background: var(--bg-muted);
  color: var(--text-secondary);
}

.key-pill.ready {
  background: var(--success-soft);
  border-color: rgba(5, 150, 105, 0.25);
  color: var(--success);
}

.key-pill.active {
  background: var(--accent-soft);
  border-color: var(--accent-border);
  color: var(--accent);
}

.key-pill.cooldown {
  background: var(--warning-soft);
  border-color: rgba(217, 119, 6, 0.25);
  color: var(--warning);
}

.empty-pill {
  font-size: 12px;
  color: var(--text-muted);
}

/* ==========================================================================
   Segment Matrix
   ========================================================================== */

.legend-row {
  display: flex;
  align-items: center;
  gap: 12px;
}

.legend-item {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 11.5px;
  color: var(--text-muted);
}

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

.dot.pending { background: var(--border-strong); }
.dot.active { background: var(--accent); }
.dot.success { background: var(--success); }
.dot.failed { background: var(--danger); }

.segment-grid {
  padding: 12px 16px;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  max-height: 150px;
  overflow-y: auto;
}

.seg-chip {
  height: 26px;
  min-width: 44px;
  padding: 0 8px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text-secondary);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
  cursor: pointer;
  transition: transform 0.1s ease, border-color 0.15s ease;
}

.seg-chip:hover {
  transform: translateY(-1px);
  border-color: var(--border-strong);
}

.seg-chip.active {
  background: var(--accent-soft);
  border-color: var(--accent-border);
  color: var(--accent);
}

.seg-chip.retrying {
  background: var(--warning-soft);
  border-color: rgba(217, 119, 6, 0.3);
  color: var(--warning);
}

.seg-chip.success {
  background: var(--success-soft);
  border-color: rgba(5, 150, 105, 0.28);
  color: var(--success);
}

.seg-chip.failed {
  background: var(--danger-soft);
  border-color: rgba(225, 29, 72, 0.3);
  color: var(--danger);
}

/* ==========================================================================
   Transcript Workspace
   ========================================================================== */

.transcript-card {
  display: flex;
  flex-direction: column;
  min-height: 460px;
}

.transcript-toolbar {
  flex-wrap: wrap;
}

.toolbar-left {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: 1;
  min-width: 240px;
}

.toolbar-actions {
  display: flex;
  align-items: center;
  gap: 6px;
}

.search-box {
  position: relative;
  flex: 1;
  max-width: 260px;
}

.search-icon {
  position: absolute;
  left: 9px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  pointer-events: none;
}

.search-input {
  width: 100%;
  height: 30px;
  padding: 0 10px 0 30px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  font-family: inherit;
  font-size: 12.5px;
}

.search-input:focus {
  outline: none;
  border-color: var(--accent);
}

.interim-banner {
  padding: 10px 16px;
  background: var(--accent-soft);
  border-bottom: 1px solid var(--accent-border);
  display: flex;
  align-items: center;
  gap: 10px;
}

.pulse-ring {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
  animation: pulseDot 1.2s ease-in-out infinite;
}

.interim-label {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--accent);
  flex-shrink: 0;
}

.interim-text {
  font-size: 13.5px;
  color: var(--text);
  opacity: 0.9;
}

.transcript-body {
  flex: 1;
  padding: 20px 22px;
  overflow-y: auto;
  max-height: 620px;
}

.empty-state {
  min-height: 360px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 24px;
}

.empty-emblem {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-lg);
  background: var(--accent-soft);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 14px;
}

.empty-title {
  margin: 0;
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
}

.empty-desc {
  margin: 8px 0 20px;
  max-width: 460px;
  font-size: 13px;
  color: var(--text-muted);
}

.empty-steps {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
}

.step-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  border-radius: var(--radius-full);
  background: var(--bg);
  border: 1px solid var(--border);
  font-size: 12px;
  color: var(--text-secondary);
}

.step-num {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--accent);
  color: #ffffff;
  font-size: 11px;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.merged-transcript {
  max-width: 78ch;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--text);
  white-space: pre-wrap;
  word-break: break-word;
}

.merged-paragraph {
  margin: 0 0 14px;
}

.merged-paragraph:last-child {
  margin-bottom: 0;
}

mark {
  background: var(--warning-soft);
  color: var(--text);
  padding: 0 2px;
  border-radius: 3px;
}

.timeline-transcript {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.timeline-item {
  padding: 12px 14px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  background: var(--bg);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.timeline-item.highlight {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px var(--accent-soft);
}

.timeline-item.failed {
  border-color: rgba(225, 29, 72, 0.35);
  background: var(--danger-soft);
}

.timeline-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.timeline-badges {
  display: flex;
  align-items: center;
  gap: 6px;
}

.time-jump-btn {
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 500;
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  cursor: pointer;
}

.time-jump-btn:hover {
  background: var(--accent-soft);
  border-color: var(--accent-border);
}

.timeline-text {
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--text);
  white-space: pre-wrap;
}

.timeline-error {
  font-size: 12px;
  color: var(--danger);
}

/* ==========================================================================
   Diagnostic Console
   ========================================================================== */

.console-body {
  border-top: 1px solid var(--border);
}

.console-toolbar {
  padding: 8px 16px;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.console-hint {
  font-size: 11px;
  color: var(--text-muted);
}

.log-stream {
  max-height: 200px;
  overflow-y: auto;
  padding: 10px 16px;
  font-size: 11.5px;
  line-height: 1.6;
  background: var(--bg);
}

.log-line {
  display: flex;
  gap: 10px;
  padding: 2px 0;
}

.log-ts {
  color: var(--text-muted);
  flex-shrink: 0;
}

.log-tag {
  font-weight: 600;
  flex-shrink: 0;
  min-width: 84px;
}

.log-tag.info { color: var(--accent); }
.log-tag.success { color: var(--success); }
.log-tag.warn { color: var(--warning); }
.log-tag.error { color: var(--danger); }

.log-msg {
  color: var(--text-secondary);
  word-break: break-word;
}

/* ==========================================================================
   Modal & Toast
   ========================================================================== */

.modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 60;
  background: rgba(15, 23, 42, 0.55);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
}

.modal {
  width: 100%;
  max-width: 540px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}

.modal-header {
  padding: 14px 18px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-title-wrap {
  display: flex;
  align-items: center;
  gap: 9px;
}

.modal-icon {
  color: var(--accent);
}

.modal-title {
  margin: 0;
  font-size: 15px;
  font-weight: 600;
}

.modal-body {
  padding: 16px 18px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.modal-footer {
  padding: 12px 18px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: flex-end;
  background: var(--bg);
}

.security-notice {
  display: flex;
  gap: 10px;
  padding: 10px 12px;
  border-radius: var(--radius-md);
  background: var(--accent-soft);
  border: 1px solid var(--accent-border);
  font-size: 12px;
  color: var(--text-secondary);
  line-height: 1.5;
}

.security-icon {
  color: var(--accent);
  flex-shrink: 0;
  margin-top: 2px;
}

.key-input-wrap {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.add-keys-btn {
  align-self: flex-end;
}

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

.key-slots-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
  max-height: 190px;
  overflow-y: auto;
}

.key-slot-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 10px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg);
}

.key-slot-left {
  display: flex;
  align-items: center;
  gap: 10px;
}

.slot-index {
  font-size: 11.5px;
  font-weight: 600;
  color: var(--accent);
}

.slot-masked {
  font-size: 12px;
  color: var(--text-secondary);
}

.toast-region {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 80;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.toast {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 10px 14px;
  border-radius: var(--radius-md);
  background: var(--bg-elevated);
  border: 1px solid var(--border-strong);
  box-shadow: var(--shadow-sm);
  font-size: 12.5px;
  color: var(--text);
  animation: slideUp 0.18s ease;
}

.toast.success { border-left: 3px solid var(--success); }
.toast.error { border-left: 3px solid var(--danger); }
.toast.info { border-left: 3px solid var(--accent); }

@keyframes slideUp {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ==========================================================================
   Responsive Breakpoints
   ========================================================================== */

@media (max-width: 1080px) {
  .workspace {
    grid-template-columns: 1fr;
  }

  .telemetry-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .topbar {
    padding: 0 12px;
  }

  .model-badge,
  .brand-subtitle {
    display: none;
  }

  .workspace {
    padding: 12px;
  }

  .telemetry-grid {
    grid-template-columns: 1fr;
  }
}