/* ============================================
   Decision Room — Design System & Styles v3
   ============================================ */

:root {
  --bg-primary: #07070d;
  --bg-secondary: #0e0e18;
  --bg-surface: #13131f;
  --bg-surface-hover: #1a1a2a;
  --bg-glass: rgba(19, 19, 31, 0.7);
  --bg-glass-strong: rgba(19, 19, 31, 0.9);

  --border-subtle: rgba(255, 255, 255, 0.06);
  --border-medium: rgba(255, 255, 255, 0.1);
  --border-accent: rgba(255, 255, 255, 0.15);

  --text-primary: #f0f0f5;
  --text-secondary: #9494a8;
  --text-tertiary: #5a5a70;
  --text-muted: #3d3d52;

  --accent-blue: #3b82f6;
  --accent-amber: #f59e0b;
  --accent-emerald: #10b981;
  --accent-rose: #f43f5e;

  --accent-blue-dim: rgba(59, 130, 246, 0.15);

  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-xs: 0.7rem;
  --font-sm: 0.8rem;
  --font-base: 0.9rem;
  --font-md: 1rem;
  --font-lg: 1.2rem;
  --font-xl: 1.6rem;

  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-xl: 20px;
  --radius-full: 9999px;

  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms ease;
}

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

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-family);
  background: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  overflow-x: hidden;
  line-height: 1.6;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 50% at 50% -20%, rgba(59, 130, 246, 0.06), transparent),
    radial-gradient(ellipse 60% 40% at 80% 100%, rgba(244, 63, 94, 0.04), transparent);
  pointer-events: none;
  z-index: 0;
}

/* Force window fit for deliberation to prevent page scrolling */
body.deliberation-active {
  height: 100vh;
  overflow: hidden;
}

body.deliberation-active #app {
  height: 100vh;
}

#app {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ---------- Header ---------- */
#header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md) var(--space-xl);
  border-bottom: 1px solid var(--border-subtle);
  background: var(--bg-glass-strong);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-left,
.header-right {
  flex: 0 0 180px;
}

.header-right {
  display: flex;
  justify-content: flex-end;
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.logo-icon {
  display: flex;
  align-items: center;
}

.logo-text {
  font-size: var(--font-md);
  font-weight: 600;
  letter-spacing: -0.02em;
}

.stage-indicator {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.stage-step {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-full);
  transition: var(--transition-base);
  opacity: 0.4;
}

.stage-step.active {
  opacity: 1;
  background: rgba(255, 255, 255, 0.05);
}

.stage-step.completed {
  opacity: 0.7;
}

.stage-number {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--border-medium);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-xs);
  font-weight: 600;
  transition: var(--transition-base);
}

.stage-step.active .stage-number {
  background: var(--accent-blue);
  color: white;
}

.stage-step.completed .stage-number {
  background: var(--accent-emerald);
  color: white;
}

.stage-label {
  font-size: var(--font-sm);
  font-weight: 500;
  color: var(--text-secondary);
}

.stage-step.active .stage-label {
  color: var(--text-primary);
}

.stage-connector {
  width: 24px;
  height: 1px;
  background: var(--border-medium);
}

/* ---------- Panel Members Bar — LARGER faces ---------- */
#panel-bar {
  display: flex;
  gap: var(--space-lg);
  padding: var(--space-lg) var(--space-xl);
  border-bottom: 1px solid var(--border-subtle);
  background: var(--bg-secondary);
  justify-content: center;
}

.panel-member {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md);
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  min-width: 140px;
  max-width: 180px;
  flex: 1;
  transition: var(--transition-base);
  text-align: center;
  position: relative;
}

.panel-member.speaking {
  border-color: var(--member-color, var(--border-accent));
  box-shadow: 0 0 28px color-mix(in srgb, var(--member-color) 30%, transparent);
}

.member-avatar-wrap {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  overflow: hidden;
  flex-shrink: 0;
  border: 2.5px solid color-mix(in srgb, var(--member-color) 35%, transparent);
  transition: var(--transition-base);
}

.panel-member.speaking .member-avatar-wrap {
  border-color: var(--member-color);
  box-shadow: 0 0 16px color-mix(in srgb, var(--member-color) 40%, transparent);
  transform: scale(1.1);
}

.member-video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.member-info {
  display: flex;
  flex-direction: column;
  gap: 1px;
}

.member-name {
  font-size: var(--font-sm);
  font-weight: 600;
  white-space: nowrap;
}

.member-title {
  font-size: var(--font-xs);
  color: var(--text-tertiary);
  white-space: nowrap;
}

.member-status {
  position: absolute;
  top: var(--space-sm);
  right: var(--space-sm);
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--text-tertiary);
  display: block;
  transition: var(--transition-base);
}

.panel-member.listening .status-dot {
  background: var(--accent-emerald);
  box-shadow: 0 0 8px rgba(16, 185, 129, 0.4);
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {

  0%,
  100% {
    opacity: 1;
    transform: scale(1);
  }

  50% {
    opacity: 0.5;
    transform: scale(0.8);
  }
}

/* ---------- Inline avatars (Q&A + Discussion messages) ---------- */
.msg-video-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  overflow: hidden;
  flex-shrink: 0;
  border: 1.5px solid color-mix(in srgb, var(--member-color, #555) 30%, transparent);
}

.msg-video-avatar video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.msg-user-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-xs);
  font-weight: 700;
  flex-shrink: 0;
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-secondary);
  border: 1.5px solid var(--border-medium);
}

.disc-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  overflow: hidden;
  flex-shrink: 0;
  border: 2px solid color-mix(in srgb, var(--member-color, #555) 40%, transparent);
}

.disc-avatar video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* ---------- Stages ---------- */
.stage {
  display: none;
  flex: 1;
  animation: fadeIn 0.4s ease;
}

.stage.active {
  display: flex;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(8px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.stage-container {
  width: 100%;
  max-width: 820px;
  margin: 0 auto;
  padding: var(--space-lg) var(--space-xl);
  display: flex;
  flex-direction: column;
  flex: 1;
}

.stage-header {
  text-align: center;
  margin-bottom: var(--space-md);
}

.stage-header h1,
.stage-header h2 {
  font-size: var(--font-xl);
  font-weight: 700;
  letter-spacing: -0.03em;
  margin-bottom: var(--space-sm);
}

.stage-subtitle {
  font-size: var(--font-base);
  color: var(--text-secondary);
  max-width: 560px;
  margin: 0 auto;
  line-height: 1.6;
}

/* ---------- Mic Controls ---------- */
.mic-controls {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-bottom: var(--space-md);
  justify-content: center;
}

.btn-mic {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-lg);
  background: var(--bg-surface);
  color: var(--text-secondary);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-full);
  font-family: var(--font-family);
  font-size: var(--font-sm);
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition-base);
}

.btn-mic:hover {
  background: var(--bg-surface-hover);
  color: var(--text-primary);
  border-color: var(--border-accent);
}

.btn-mic.recording {
  background: rgba(244, 63, 94, 0.1);
  color: var(--accent-rose);
  border-color: rgba(244, 63, 94, 0.3);
  animation: mic-glow 2s ease-in-out infinite;
}

.btn-mic.recording .mic-icon {
  display: none;
}

.btn-mic.recording .mic-icon-active {
  display: inline;
}

.btn-mic:not(.recording) .mic-icon-active {
  display: none;
}

@keyframes mic-glow {

  0%,
  100% {
    box-shadow: 0 0 0 0 rgba(244, 63, 94, 0);
  }

  50% {
    box-shadow: 0 0 16px 4px rgba(244, 63, 94, 0.15);
  }
}

.mic-status {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--font-sm);
  color: var(--accent-rose);
}

.mic-pulse {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-rose);
  animation: pulse-dot 1s ease-in-out infinite;
}

.btn-mic-inline {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: var(--bg-surface);
  color: var(--text-tertiary);
  border: 1px solid var(--border-subtle);
  border-radius: 50%;
  cursor: pointer;
  transition: var(--transition-base);
  flex-shrink: 0;
}

.btn-mic-inline:hover {
  color: var(--text-primary);
  border-color: var(--border-medium);
}

.btn-mic-inline.recording {
  background: rgba(244, 63, 94, 0.1);
  color: var(--accent-rose);
  border-color: rgba(244, 63, 94, 0.3);
  animation: mic-glow 2s ease-in-out infinite;
}

.btn-mic-inline.recording .mic-icon {
  display: none;
}

.btn-mic-inline.recording .mic-icon-active {
  display: inline;
}

.btn-mic-inline:not(.recording) .mic-icon-active {
  display: none;
}

/* ---------- Stage 1: Presentation ---------- */
.presentation-area {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

#presentation-input {
  width: 100%;
  padding: var(--space-lg);
  background: var(--bg-surface);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-lg);
  color: var(--text-primary);
  font-family: var(--font-family);
  font-size: var(--font-base);
  line-height: 1.7;
  resize: vertical;
  min-height: 120px;
  transition: var(--transition-base);
  outline: none;
}

#presentation-input:focus {
  border-color: var(--accent-blue);
  box-shadow: 0 0 0 3px var(--accent-blue-dim);
}

#presentation-input::placeholder {
  color: var(--text-muted);
}

.presentation-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.char-count {
  font-size: var(--font-sm);
  color: var(--text-tertiary);
}

/* ---------- Buttons ---------- */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-lg);
  background: var(--accent-blue);
  color: white;
  border: none;
  border-radius: var(--radius-md);
  font-family: var(--font-family);
  font-size: var(--font-sm);
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-base);
}

.btn-primary:hover:not(:disabled) {
  background: color-mix(in srgb, var(--accent-blue) 85%, white);
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(59, 130, 246, 0.3);
}

.btn-primary:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-lg);
  background: var(--bg-surface);
  color: var(--text-primary);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-md);
  font-family: var(--font-family);
  font-size: var(--font-sm);
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition-base);
}

.btn-secondary:hover:not(:disabled) {
  background: var(--bg-surface-hover);
  border-color: var(--border-accent);
}

.btn-secondary:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-lg);
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  font-family: var(--font-family);
  font-size: var(--font-sm);
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition-base);
}

.btn-outline:hover:not(:disabled) {
  color: var(--text-primary);
  border-color: var(--border-medium);
  background: rgba(255, 255, 255, 0.03);
}

.btn-outline:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-xs) var(--space-sm);
  background: transparent;
  color: var(--text-secondary);
  border: none;
  border-radius: var(--radius-sm);
  font-family: var(--font-family);
  font-size: var(--font-sm);
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition-fast);
}

.btn-ghost:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.05);
}

/* ---------- Stage 2: Q&A ---------- */
.qa-conversation {
  flex: 1;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  padding-bottom: var(--space-xl);
  min-height: 300px;
}

.qa-start-message {
  text-align: center;
  padding: var(--space-xl) 0;
  color: var(--text-secondary);
}

.qa-icon {
  font-size: 2rem;
  margin-bottom: var(--space-sm);
}

.qa-message {
  display: flex;
  gap: var(--space-md);
  animation: slideIn 0.3s ease;
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateY(12px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.qa-message.question {
  align-items: flex-start;
}

.qa-message.answer {
  flex-direction: row-reverse;
}

.qa-message .msg-content {
  max-width: 70%;
}

.qa-message .msg-sender {
  font-size: var(--font-xs);
  font-weight: 600;
  margin-bottom: var(--space-xs);
  display: block;
}

.qa-message.answer .msg-sender {
  text-align: right;
}

.qa-message .msg-bubble {
  padding: var(--space-md);
  border-radius: var(--radius-lg);
  font-size: var(--font-base);
  line-height: 1.6;
}

.qa-message.question .msg-bubble {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-top-left-radius: var(--radius-sm);
}

.qa-message.answer .msg-bubble {
  background: color-mix(in srgb, var(--accent-blue) 12%, var(--bg-surface));
  border: 1px solid color-mix(in srgb, var(--accent-blue) 20%, transparent);
  border-top-right-radius: var(--radius-sm);
}

.msg-bubble.live-bubble {
  border-color: color-mix(in srgb, var(--accent-emerald) 40%, transparent);
  animation: livePulse 1.5s ease-in-out infinite;
}

@keyframes livePulse {

  0%,
  100% {
    box-shadow: 0 0 0 0 rgba(16, 185, 129, 0);
  }

  50% {
    box-shadow: 0 0 12px 2px rgba(16, 185, 129, 0.15);
  }
}

.qa-controls {
  border-top: 1px solid var(--border-subtle);
  padding-top: var(--space-md);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.qa-input-area {
  display: flex;
  gap: var(--space-sm);
  align-items: flex-end;
}

/* ---------- Unified Chat Input ---------- */
.chat-input-wrapper {
  display: flex;
  align-items: flex-end;
  gap: var(--space-sm);
  background: var(--bg-surface);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-xl);
  padding: var(--space-xs) var(--space-sm);
  transition: var(--transition-base);
  width: 100%;
}

.chat-input-wrapper:focus-within {
  border-color: var(--accent-blue);
  box-shadow: 0 0 0 3px var(--accent-blue-dim);
}

.btn-chat-mic {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: none;
  background: transparent;
  color: var(--text-secondary);
  cursor: pointer;
  transition: var(--transition-fast);
  flex-shrink: 0;
  margin-bottom: 2px;
}

.btn-chat-mic:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.05);
}

.btn-chat-mic.recording {
  color: var(--accent-rose);
  background: rgba(244, 63, 94, 0.1);
  animation: pulse-dot 1s ease-in-out infinite;
}

.chat-textarea {
  flex: 1;
  background: transparent;
  border: none;
  color: var(--text-primary);
  font-family: var(--font-family);
  font-size: var(--font-base);
  line-height: 1.5;
  padding: 8px 4px;
  resize: none;
  outline: none;
  min-height: 40px;
  max-height: 120px;
}

.chat-textarea::placeholder {
  color: var(--text-muted);
}

.btn-chat-send {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: none;
  background: var(--accent-blue);
  color: white;
  cursor: pointer;
  transition: var(--transition-fast);
  flex-shrink: 0;
  margin-bottom: 2px;
}

.btn-chat-send:hover:not(:disabled) {
  background: color-mix(in srgb, var(--accent-blue) 85%, white);
  transform: scale(1.05);
}

.btn-chat-send:disabled {
  background: var(--border-medium);
  color: var(--text-tertiary);
  cursor: not-allowed;
}

.chat-mic-status {
  text-align: center;
  font-size: var(--font-sm);
  color: var(--accent-rose);
  margin-top: var(--space-xs);
  animation: pulse-dot 1.5s ease-in-out infinite;
}

.qa-buttons {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  align-items: center;
  padding: var(--space-xl) 0;
}

/* ---------- Stage 3: Discussion ---------- */
.discussion-layout {
  max-width: 900px;
  padding-top: var(--space-md);
  padding-bottom: 0;
  max-height: calc(100vh - 80px);
  /* Account for header */
}

.discussion-header {
  text-align: center;
  margin-bottom: var(--space-lg);
}

.glass-wall-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-xs) var(--space-md);
  background: rgba(244, 63, 94, 0.08);
  border: 1px solid rgba(244, 63, 94, 0.2);
  border-radius: var(--radius-full);
  color: var(--accent-rose);
  font-size: var(--font-xs);
  font-weight: 500;
  margin-bottom: var(--space-md);
}

/* ---------- Metrics Panel ---------- */
.metrics-panel {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-md);
  margin-bottom: var(--space-md);
  animation: fadeIn 0.6s ease;
}

.metric-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: var(--space-md);
}

.metric-label {
  font-size: var(--font-xs);
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-sm);
}

.metric-bars {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.metric-bar-row {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.metric-bar-name {
  font-size: var(--font-xs);
  color: var(--text-tertiary);
  width: 60px;
  text-align: right;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.metric-bar-track {
  flex: 1;
  height: 6px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 3px;
  overflow: hidden;
}

.metric-bar-fill {
  height: 100%;
  border-radius: 3px;
  transition: width 1.5s ease-out;
  width: 0;
}

.metric-bar-value {
  font-size: var(--font-xs);
  font-weight: 600;
  color: var(--text-primary);
  width: 30px;
}

/* Alignment variant */
.metric-alignment {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  align-items: center;
}

.alignment-bar-track {
  width: 100%;
  height: 8px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 4px;
  overflow: hidden;
}

.alignment-bar-fill {
  height: 100%;
  border-radius: 4px;
  background: linear-gradient(90deg, var(--accent-rose), var(--accent-amber), var(--accent-emerald));
  transition: width 1.5s ease-out;
  width: 0;
}

.alignment-label {
  font-size: var(--font-lg);
  font-weight: 700;
  color: var(--text-primary);
}

/* ---------- Discussion Conversation ---------- */
.discussion-conversation {
  flex: 1;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
  padding: var(--space-sm) 0 var(--space-2xl) 0;
  min-height: 0;
  /* allows flex scrolling without expanding */
}

.discussion-message {
  animation: slideIn 0.4s ease;
  display: flex;
  gap: var(--space-md);
  align-items: flex-start;
  padding: var(--space-sm) 0;
}

.discussion-message.active-speaker {
  background: rgba(255, 255, 255, 0.02);
  border-radius: var(--radius-md);
  padding: var(--space-sm) var(--space-md);
}

.discussion-message .disc-body {
  flex: 1;
}

.discussion-message .disc-sender {
  font-size: var(--font-sm);
  font-weight: 700;
  margin-bottom: var(--space-xs);
}

.discussion-message .disc-text {
  font-size: var(--font-base);
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ---------- Discussion Controls ---------- */
.discussion-controls {
  border-top: 1px solid var(--border-subtle);
  padding-top: var(--space-md);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
}

.discussion-status {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  justify-content: center;
  padding: var(--space-sm) 0;
  color: var(--text-tertiary);
  font-size: var(--font-sm);
}

.typing-indicator {
  display: flex;
  gap: 3px;
  align-items: center;
}

.typing-indicator span {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--text-tertiary);
  animation: typingBounce 1.4s ease-in-out infinite;
}

.typing-indicator span:nth-child(2) {
  animation-delay: 0.2s;
}

.typing-indicator span:nth-child(3) {
  animation-delay: 0.4s;
}

@keyframes typingBounce {

  0%,
  60%,
  100% {
    transform: translateY(0);
    opacity: 0.4;
  }

  30% {
    transform: translateY(-4px);
    opacity: 1;
  }
}

.discussion-status.done {
  display: none;
}



.playback-controls {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  justify-content: center;
}

.btn-playback {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: var(--bg-surface);
  color: var(--text-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: 50%;
  cursor: pointer;
  transition: var(--transition-base);
}

.btn-playback:hover {
  color: var(--text-primary);
  border-color: var(--border-medium);
  background: var(--bg-surface-hover);
}

.btn-pause-main {
  width: 44px;
  height: 44px;
  background: var(--accent-blue);
  color: white;
  border: none;
}

.btn-pause-main:hover {
  background: color-mix(in srgb, var(--accent-blue) 85%, white);
}

.btn-pause-main.paused .icon-pause {
  display: none;
}

.btn-pause-main.paused .icon-play {
  display: inline;
}

.btn-pause-main:not(.paused) .icon-play {
  display: none;
}

/* ---------- Loading Spinner ---------- */
.loading-spinner {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  color: var(--text-tertiary);
  font-size: var(--font-sm);
}

.loading-spinner::before {
  content: '';
  width: 14px;
  height: 14px;
  border: 2px solid var(--border-medium);
  border-top-color: var(--accent-blue);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* ---------- Scrollbar ---------- */
::-webkit-scrollbar {
  width: 6px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: var(--border-medium);
  border-radius: 3px;
}

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

/* ---------- Responsive ---------- */
@media (max-width: 768px) {
  #header {
    padding: var(--space-sm) var(--space-md);
  }

  .header-left,
  .header-right {
    flex: 0 0 auto;
  }

  .stage-label {
    display: none;
  }

  #panel-bar {
    padding: var(--space-sm) var(--space-md);
    gap: var(--space-sm);
  }

  .panel-member {
    min-width: 70px;
    padding: var(--space-sm);
  }

  .member-avatar-wrap {
    width: 48px;
    height: 48px;
  }

  .member-title {
    display: none;
  }

  .stage-container {
    padding: var(--space-xl) var(--space-md);
  }

  .qa-message .msg-content {
    max-width: 85%;
  }

  .metrics-panel {
    grid-template-columns: 1fr;
  }
}