:root {
  --bg: #0d1117;
  --surface: #161b22;
  --surface-elevated: #1e242c;
  --surface-subtle: #12161c;
  --border: #30363d;
  --border-subtle: #21262d;
  --border-focus: #58a6ff;
  --ink: #f0f6fc;
  --ink-secondary: #c9d1d9;
  --muted: #8b949e;
  --accent: #58a6ff;
  --accent-hover: #79c0ff;
  --accent-soft: rgba(88, 166, 255, 0.12);
  --accent-glow: rgba(88, 166, 255, 0.28);
  --ok: #3fb950;
  --ok-soft: rgba(63, 185, 80, 0.15);
  --warn: #d29922;
  --warn-soft: rgba(210, 153, 34, 0.15);
  --bad: #f85149;
  --bad-soft: rgba(248, 81, 73, 0.15);
  --radius-sm: 6px;
  --radius: 12px;
  --radius-lg: 16px;
  --shadow-sm: 0 2px 6px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 6px 20px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 12px 36px rgba(0, 0, 0, 0.55);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 14px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ── Header ── */
header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 28px;
  background: rgba(22, 27, 34, 0.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-subtle);
  position: sticky;
  top: 0;
  z-index: 100;
}

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

.brand__icon {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background: var(--accent-soft);
  color: var(--accent);
  border: 1px solid rgba(88, 166, 255, 0.2);
}

.brand__text h1 {
  margin: 0;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: -0.2px;
  color: var(--ink);
}

.brand__tag {
  font-size: 11px;
  color: var(--muted);
  font-weight: 500;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* ── 4-Tab Navigation Bar ── */
.tabs-nav {
  max-width: 900px;
  margin: 20px auto 0;
  padding: 0 16px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}

@media (max-width: 640px) {
  .tabs-nav {
    grid-template-columns: repeat(2, 1fr);
  }
}

.tab-btn {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  background: var(--surface);
  border: 1px solid var(--border-subtle);
  color: var(--muted);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.18s ease;
  user-select: none;
}

.tab-btn:hover {
  background: var(--surface-elevated);
  color: var(--ink-secondary);
  border-color: var(--border);
}

.tab-btn.active {
  background: var(--surface-elevated);
  border-color: var(--accent);
  color: var(--ink);
  box-shadow: 0 0 14px var(--accent-soft);
}

.tab-badge {
  display: grid;
  place-items: center;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  font-size: 11px;
  font-weight: 700;
  background: var(--border-subtle);
  color: var(--muted);
  transition: all 0.18s ease;
}

.tab-btn.active .tab-badge {
  background: var(--accent);
  color: #fff;
}

.tab-btn.completed .tab-badge {
  background: var(--ok);
  color: #fff;
}

.tab-title {
  white-space: nowrap;
}

/* ── Main & Tab Panels ── */
main {
  max-width: 900px;
  margin: 0 auto;
  padding: 16px 16px 64px;
}

.tab-panel {
  display: block;
  animation: fadeIn 0.2s ease-out;
}

.tab-panel[hidden] {
  display: none !important;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}

footer {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 16px 40px;
  color: var(--muted);
  font-size: 12px;
  text-align: center;
}

/* ── Card Containers ── */
.card {
  background: var(--surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow-sm);
  transition: border-color 0.2s ease;
}

.card:hover {
  border-color: rgba(88, 166, 255, 0.2);
}

.card__head {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin-bottom: 20px;
  position: relative;
}

.card__title-group {
  flex: 1;
}

.card__title-group h2 {
  margin: 0 0 4px;
  font-size: 16px;
  font-weight: 650;
  color: var(--ink);
  letter-spacing: -0.2px;
}

.card__sub {
  margin: 0;
  font-size: 12px;
  color: var(--muted);
}

/* ── Controls & Rows ── */
.row {
  display: flex;
  align-items: flex-end;
  gap: 14px;
  flex-wrap: wrap;
}

.row.align-center {
  align-items: center;
}

.form-label {
  display: grid;
  gap: 5px;
  font-size: 12px;
  font-weight: 600;
  color: var(--ink-secondary);
}

select,
input {
  font: inherit;
  font-size: 13px;
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface-subtle);
  color: var(--ink);
  transition: border-color 0.15s, box-shadow 0.15s;
}

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

/* ── Buttons ── */
.btn {
  font: inherit;
  font-size: 13px;
  font-weight: 600;
  padding: 8px 16px;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  background: var(--surface-elevated);
  color: var(--ink);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  transition: all 0.15s ease;
}

.btn:hover:not(:disabled) {
  background: var(--border);
  border-color: var(--border-focus);
}

.btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.btn--primary {
  background: linear-gradient(135deg, #1f6feb, #238636);
  color: #fff;
  border-color: rgba(255, 255, 255, 0.12);
  box-shadow: 0 2px 8px rgba(35, 134, 54, 0.35);
}

.btn--primary:hover:not(:disabled) {
  background: linear-gradient(135deg, #388bfd, #2ea043);
  box-shadow: 0 4px 14px rgba(46, 160, 67, 0.45);
}

.btn--ghost {
  background: transparent;
  color: var(--accent);
  border-color: var(--border);
}

.btn--ghost:hover:not(:disabled) {
  background: var(--accent-soft);
  border-color: var(--accent);
}

.btn--icon {
  padding: 7px 12px;
}

/* ── Step 1 Drop Zones ── */
.grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

@media (max-width: 680px) {
  .grid {
    grid-template-columns: 1fr;
  }
}

.drop {
  border: 1.5px dashed var(--border);
  border-radius: var(--radius);
  background: var(--surface-subtle);
  padding: 20px;
  display: grid;
  gap: 12px;
  justify-items: start;
  transition: all 0.2s ease;
}

.drop:hover {
  border-color: var(--border-focus);
  background: rgba(88, 166, 255, 0.02);
}

.drop.over {
  border-color: var(--accent);
  background: var(--accent-soft);
  box-shadow: 0 0 16px var(--accent-soft);
}

.drop__header {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
}

.drop__hint {
  margin: 0;
  font-size: 12px;
  color: var(--muted);
}

.result {
  font-size: 13px;
  display: grid;
  gap: 6px;
  width: 100%;
}

.result .k {
  color: var(--muted);
  font-size: 12px;
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 4px;
}

.chip {
  font-size: 11px;
  font-weight: 500;
  padding: 3px 9px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  border: 1px solid rgba(88, 166, 255, 0.2);
}

/* ── Step 3 Room & Live Stage ── */
.room-controls-row {
  background: var(--surface-subtle);
  padding: 14px 18px;
  border-radius: var(--radius);
  border: 1px solid var(--border-subtle);
  margin-bottom: 16px;
}

.countdown-widget {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--surface-subtle);
  border: 1px solid var(--border);
  padding: 5px 12px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.5px;
  font-variant-numeric: tabular-nums;
  color: var(--accent);
  margin-left: auto;
}

.timer-svg {
  color: currentColor;
}

.timer-digits--warning {
  color: var(--warn);
  border-color: var(--warn);
  animation: pulse-warn 1.5s infinite;
}

.timer-digits--danger {
  color: var(--bad);
  border-color: var(--bad);
  animation: pulse-danger 0.8s infinite;
}

@keyframes pulse-warn {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.6; }
}

@keyframes pulse-danger {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.05); opacity: 0.7; }
}

/* ── Minimalist Acoustic Audio Visualizer ── */
.voice-stage {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 36px 20px 24px;
  background: radial-gradient(circle at center, rgba(31, 111, 235, 0.12) 0%, rgba(22, 27, 34, 0.98) 75%);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  margin-bottom: 16px;
  box-shadow: var(--shadow-md);
  position: relative;
  overflow: hidden;
}

.visualizer-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.visualizer {
  position: relative;
  width: 90px;
  height: 90px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  transition: transform 0.12s ease-out;
}

.visualizer-core {
  position: relative;
  z-index: 2;
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--surface-elevated);
  border: 1px solid var(--border);
  display: grid;
  place-items: center;
  box-shadow: 0 0 20px var(--accent-glow);
  transition: all 0.3s ease;
}

.visualizer-glow {
  position: absolute;
  inset: -12px;
  border-radius: 50%;
  background: var(--accent-glow);
  filter: blur(14px);
  opacity: 0.5;
  transition: all 0.3s ease;
}

.visualizer-ring {
  position: absolute;
  border-radius: 50%;
  border: 1px solid var(--accent);
  opacity: 0.35;
  inset: -6px;
}

/* Wave Sound Bars */
.wave-bars {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 3px;
  height: 24px;
}

.wave-bar {
  width: 3px;
  height: 8px;
  background: var(--accent);
  border-radius: 2px;
  transition: height 0.1s ease, background-color 0.3s ease;
}

/* States */
.visualizer--idle .wave-bar {
  height: 8px;
  background: var(--muted);
}

.visualizer--listening .visualizer-core {
  border-color: #bc8cff;
  box-shadow: 0 0 28px rgba(188, 140, 255, 0.45);
}

.visualizer--listening .visualizer-ring {
  border-color: #bc8cff;
  animation: ring-pulse 1.8s ease-out infinite;
}

.visualizer--listening .wave-bar {
  background: #bc8cff;
  animation: wave-listening 1s ease-in-out infinite alternate;
}

.visualizer--listening .b1 { animation-delay: 0.1s; }
.visualizer--listening .b2 { animation-delay: 0.25s; }
.visualizer--listening .b3 { animation-delay: 0.4s; }
.visualizer--listening .b4 { animation-delay: 0.15s; }
.visualizer--listening .b5 { animation-delay: 0.3s; }

.visualizer--thinking .visualizer-core {
  border-color: #e3b341;
  box-shadow: 0 0 24px rgba(227, 179, 65, 0.45);
}

.visualizer--thinking .visualizer-ring {
  border-color: #e3b341;
  border-style: dashed;
  animation: ring-spin 2s linear infinite;
}

.visualizer--thinking .wave-bar {
  background: #e3b341;
  animation: wave-thinking 0.8s ease-in-out infinite alternate;
}

.visualizer--thinking .b1 { animation-delay: 0.05s; }
.visualizer--thinking .b2 { animation-delay: 0.15s; }
.visualizer--thinking .b3 { animation-delay: 0.25s; }
.visualizer--thinking .b4 { animation-delay: 0.35s; }
.visualizer--thinking .b5 { animation-delay: 0.45s; }

.visualizer--speaking .visualizer-core {
  border-color: #3fb950;
  box-shadow: 0 0 32px rgba(63, 185, 80, 0.55);
}

.visualizer--speaking .visualizer-ring {
  border-color: #3fb950;
  animation: ring-ripple 1.4s ease-out infinite;
}

.visualizer--speaking .wave-bar {
  background: #3fb950;
  animation: wave-speaking 0.6s ease-in-out infinite alternate;
}

.visualizer--speaking .b1 { animation-delay: 0.1s; }
.visualizer--speaking .b2 { animation-delay: 0.3s; }
.visualizer--speaking .b3 { animation-delay: 0.5s; }
.visualizer--speaking .b4 { animation-delay: 0.2s; }
.visualizer--speaking .b5 { animation-delay: 0.4s; }

@keyframes wave-listening {
  0% { height: 6px; }
  100% { height: 18px; }
}

@keyframes wave-thinking {
  0% { height: 4px; opacity: 0.4; }
  100% { height: 14px; opacity: 1; }
}

@keyframes wave-speaking {
  0% { height: 8px; }
  100% { height: 22px; }
}

@keyframes ring-pulse {
  0% { transform: scale(1); opacity: 0.6; }
  100% { transform: scale(1.35); opacity: 0; }
}

@keyframes ring-spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

@keyframes ring-ripple {
  0% { transform: scale(0.95); opacity: 0.8; }
  50% { transform: scale(1.25); opacity: 0.3; }
  100% { transform: scale(1.5); opacity: 0; }
}

.visualizer-status {
  text-align: center;
  display: grid;
  gap: 4px;
}

.visualizer-state-badge {
  display: inline-block;
  padding: 4px 14px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.3px;
  background: var(--surface-elevated);
  border: 1px solid var(--border);
  color: var(--ink);
}

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

/* ── Call Controls ── */
.call-controls {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 20px;
}

.btn--ctrl {
  padding: 8px 16px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
}

.btn-svg {
  display: inline-block;
  vertical-align: middle;
}

.btn--mute.muted {
  background: var(--bad-soft);
  border-color: var(--bad);
  color: var(--bad);
}

.btn--hangup {
  background: rgba(248, 81, 73, 0.15);
  border-color: var(--bad);
  color: var(--bad);
}

.btn--hangup:hover:not(:disabled) {
  background: var(--bad);
  color: #fff;
}

/* ── Chat Transcript ── */
.chat {
  display: grid;
  gap: 12px;
  margin: 16px 0;
  max-height: 440px;
  overflow-y: auto;
  padding: 14px;
  background: var(--surface-subtle);
  border-radius: var(--radius);
  border: 1px solid var(--border-subtle);
}

.msg {
  display: grid;
  gap: 4px;
  max-width: 82%;
}

.msg .who {
  font-size: 11px;
  font-weight: 650;
  color: var(--muted);
}

.msg .body {
  padding: 10px 14px;
  border-radius: 12px;
  background: var(--surface-elevated);
  border: 1px solid var(--border-subtle);
  font-size: 13.5px;
  line-height: 1.55;
  color: var(--ink);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}

.msg--me {
  justify-self: end;
  text-align: right;
}

.msg--me .who {
  color: var(--accent);
}

.msg--me .body {
  background: linear-gradient(135deg, rgba(31, 111, 235, 0.2), rgba(31, 111, 235, 0.1));
  border-color: rgba(88, 166, 255, 0.35);
  text-align: left;
}

.msg--sys {
  justify-self: center;
  max-width: 100%;
}

.msg--sys .body {
  background: transparent;
  border: none;
  box-shadow: none;
  color: var(--muted);
  font-size: 12px;
  padding: 3px 12px;
  border-radius: 999px;
  background: var(--surface-elevated);
}

.composer {
  display: flex;
  gap: 8px;
  margin-top: 10px;
}

.composer input {
  flex: 1;
}

/* ── Pills & Status ── */
.pill {
  font-size: 11px;
  font-weight: 650;
  padding: 3px 10px;
  border-radius: 999px;
  background: var(--surface-elevated);
  color: var(--ink-secondary);
  border: 1px solid var(--border);
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.pill .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
}

.pill--ok {
  background: var(--ok-soft);
  color: var(--ok);
  border-color: rgba(63, 185, 80, 0.3);
}

.pill--bad {
  background: var(--bad-soft);
  color: var(--bad);
  border-color: rgba(248, 81, 73, 0.3);
}

.pill--wait {
  background: var(--surface-elevated);
  color: var(--muted);
}

.statusbar {
  font-size: 12px;
  color: var(--muted);
  margin-left: auto;
  font-weight: 500;
}

/* ── Meter ── */
.meter {
  display: inline-block;
  width: 120px;
  height: 7px;
  border-radius: 999px;
  background: var(--border-subtle);
  overflow: hidden;
}

.meter > i {
  display: block;
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--ok), var(--accent));
  transition: width 0.08s ease;
}

/* ── Tables ── */
table {
  border-collapse: collapse;
  width: 100%;
  font-size: 13px;
  margin-top: 10px;
}

th, td {
  text-align: left;
  padding: 9px 12px;
  border-bottom: 1px solid var(--border-subtle);
}

th {
  color: var(--muted);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  background: var(--surface-subtle);
}

tr:hover td {
  background: rgba(255, 255, 255, 0.015);
}

.scroll {
  overflow-x: auto;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
}

/* ── Verdict & Score Report ── */
.verdict {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin: 16px 0 10px;
  padding: 14px 18px;
  border-radius: var(--radius);
  background: var(--surface-subtle);
  border: 1px solid var(--border-subtle);
}

.verdict b {
  font-size: 20px;
  font-weight: 750;
  color: var(--ink);
}

.verdict .why {
  color: var(--muted);
  font-size: 13px;
}

.bar {
  display: inline-block;
  width: 100px;
  height: 8px;
  border-radius: 999px;
  background: var(--border-subtle);
  overflow: hidden;
  vertical-align: middle;
}

.bar > i {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, #1f6feb, var(--accent));
}

blockquote {
  margin: 6px 0 0;
  padding: 8px 14px;
  border-left: 3px solid var(--accent);
  background: var(--surface-subtle);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  color: var(--ink-secondary);
  font-size: 13px;
  font-style: italic;
}

code {
  font-size: 12px;
  font-family: ui-monospace, SFMono-Regular, SF Mono, Menlo, Consolas, monospace;
  background: var(--surface-elevated);
  padding: 2px 6px;
  border-radius: 4px;
  color: var(--accent);
  border: 1px solid var(--border-subtle);
}

.note {
  margin-top: 12px;
  padding: 10px 14px;
  border-left: 3px solid var(--warn);
  background: var(--warn-soft);
  font-size: 13px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  color: var(--ink);
}

.note--bad {
  border-color: var(--bad);
  background: var(--bad-soft);
}

/* ── Settings Panel ── */
.settings-group {
  margin-bottom: 20px;
}

.settings-group__title {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  color: var(--accent);
  margin-bottom: 12px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--border-subtle);
}

.param-row {
  display: grid;
  grid-template-columns: 220px 1fr 80px;
  align-items: center;
  gap: 12px;
  padding: 8px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.03);
}

@media (max-width: 680px) {
  .param-row {
    grid-template-columns: 1fr;
    gap: 6px;
  }
}

.param-row__label {
  font-size: 12px;
  font-weight: 600;
  cursor: help;
  display: flex;
  align-items: center;
  gap: 6px;
}

.param-row input[type="range"] {
  width: 100%;
  accent-color: var(--accent);
  padding: 0;
  border: none;
  background: transparent;
  cursor: pointer;
}

.param-row__value {
  font-size: 13px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  text-align: right;
  color: var(--accent);
}

.param-row__value.changed {
  color: var(--warn);
}

/* ── Tab 2: Question Plan & Strategy ── */
.plan-config-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin: 16px 0 20px;
}

@media (max-width: 680px) {
  .plan-config-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }
}

.plan-card {
  background: var(--surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 16px 18px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.plan-card:hover {
  border-color: var(--border);
}

.plan-card__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

.plan-card__title {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--ink-secondary);
}

.plan-badge-tag {
  font-size: 11px;
  font-weight: 600;
  color: var(--accent);
  background: var(--accent-soft);
  padding: 3px 9px;
  border-radius: 999px;
  border: 1px solid rgba(88, 166, 255, 0.2);
}

.plan-level-display {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  background: var(--surface-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  min-height: 56px;
}

.plan-level-icon-wrap {
  width: 34px;
  height: 34px;
  border-radius: 8px;
  background: rgba(88, 166, 255, 0.12);
  display: grid;
  place-items: center;
  color: var(--accent);
  flex-shrink: 0;
}

.plan-level-info {
  flex: 1;
  min-width: 0;
}

.plan-level-value {
  font-size: 14px;
  font-weight: 700;
  color: var(--ink);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.plan-level-sub {
  font-size: 11.5px;
  color: var(--muted);
  margin-top: 2px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.segmented-control {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
  background: var(--surface-elevated);
  padding: 4px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
}

.segment-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 9px 16px;
  font-size: 13.5px;
  font-weight: 600;
  font-family: inherit;
  color: var(--muted);
  background: transparent;
  border: 1px solid transparent;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.18s ease;
}

.segment-btn:hover:not(.active) {
  color: var(--ink);
  background: rgba(255, 255, 255, 0.04);
}

.segment-btn.active {
  background: var(--surface);
  color: #fff;
  border-color: var(--accent);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.35), 0 0 10px var(--accent-soft);
}

.segment-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--border);
  transition: all 0.18s ease;
}

.segment-btn.active .segment-dot {
  background: var(--accent);
  box-shadow: 0 0 6px var(--accent);
}

.plan-lang-sub {
  font-size: 11.5px;
  color: var(--muted);
  margin-top: 8px;
}

.plan-action-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 20px;
  background: var(--surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  margin-bottom: 20px;
}

@media (max-width: 640px) {
  .plan-action-bar {
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
  }
}

.plan-status-box {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  color: var(--ink-secondary);
}

.plan-status-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--muted);
  flex-shrink: 0;
  transition: all 0.25s ease;
}

.plan-status-dot.ready {
  background: var(--ok);
  box-shadow: 0 0 10px rgba(46, 160, 67, 0.65);
}

.btn--generate-plan {
  padding: 11px 26px;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.02em;
  min-width: 175px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, #1f6feb 0%, #238636 100%);
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: 0 3px 12px rgba(35, 134, 54, 0.35);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn--generate-plan:hover:not(:disabled) {
  background: linear-gradient(135deg, #388bfd 0%, #2ea043 100%);
  box-shadow: 0 5px 18px rgba(46, 160, 67, 0.48);
  transform: translateY(-1px);
}

.btn--generate-plan:active:not(:disabled) {
  transform: translateY(0);
}

.btn--generate-plan:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  background: var(--surface-elevated);
  border-color: var(--border-subtle);
  color: var(--muted);
  box-shadow: none;
  transform: none;
}

.btn-plan-icon {
  flex-shrink: 0;
  transition: transform 0.2s ease;
}

.btn--generate-plan:hover:not(:disabled) .btn-plan-icon {
  transform: scale(1.15);
}

.plan-next-cta {
  display: flex;
  justify-content: flex-end;
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px solid var(--border-subtle);
}

.btn--proceed {
  padding: 10px 22px;
  font-size: 13.5px;
  font-weight: 700;
}

/* ---------- Gemini Live Tab & Voice Orb Styles ---------- */
.badge--gemini {
  background: linear-gradient(135deg, rgba(168, 85, 247, 0.2), rgba(99, 102, 241, 0.2));
  color: #c084fc;
  border: 1px solid rgba(168, 85, 247, 0.4);
  font-size: 11px;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 6px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.visualizer--gemini .visualizer-glow {
  background: radial-gradient(circle, rgba(168, 85, 247, 0.35) 0%, rgba(99, 102, 241, 0.15) 50%, transparent 70%);
}

.visualizer--gemini.visualizer--speaking .visualizer-core {
  border-color: #a855f7;
  box-shadow: 0 0 35px rgba(168, 85, 247, 0.65);
}

.visualizer--gemini.visualizer--speaking .visualizer-ring {
  border-color: #a855f7;
  animation: ring-ripple 1.2s ease-out infinite;
}

.visualizer--gemini.visualizer--speaking .wave-bar {
  background: linear-gradient(180deg, #c084fc, #818cf8);
  animation: wave-speaking 0.5s ease-in-out infinite alternate;
}

.chat--gemini {
  margin-top: 18px;
  background: var(--surface-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.chat--gemini .chat__log {
  max-height: 280px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding-right: 6px;
}

.chat__row--agent .chat__who {
  color: #c084fc;
  font-size: 11px;
  font-weight: 700;
  margin-bottom: 2px;
}

.chat__row--user .chat__who {
  color: #38bdf8;
  font-size: 11px;
  font-weight: 700;
  margin-bottom: 2px;
}

.chat__row--agent .chat__bubble {
  background: rgba(168, 85, 247, 0.08);
  border: 1px solid rgba(168, 85, 247, 0.2);
  border-radius: var(--radius-md);
  padding: 10px 14px;
  color: var(--text-primary);
  font-size: 13.5px;
  line-height: 1.5;
}

.chat__row--user .chat__bubble {
  background: rgba(56, 189, 248, 0.08);
  border: 1px solid rgba(56, 189, 248, 0.2);
  border-radius: var(--radius-md);
  padding: 10px 14px;
  color: var(--text-primary);
  font-size: 13.5px;
  line-height: 1.5;
}

.chat--gemini .chat__form {
  display: flex;
  gap: 8px;
  margin-top: 6px;
}

.chat--gemini .chat__form input {
  flex: 1;
  padding: 9px 14px;
  border-radius: var(--radius-md);
  background: var(--surface-elevated);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  font-size: 13px;
}

.chat--gemini .chat__form input:focus {
  outline: none;
  border-color: #a855f7;
  box-shadow: 0 0 0 2px rgba(168, 85, 247, 0.25);
}

.segmented-control--engine .segment-btn {
  white-space: normal;
  line-height: 1.4;
  padding: 10px 14px;
}

@media (max-width: 820px) {
  .segmented-control--engine {
    grid-template-columns: 1fr !important;
  }
}