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

:root {
  --bg: #0f1117;
  --surface: #1a1d27;
  --surface-2: #242836;
  --border: #2e3345;
  --text: #e4e6eb;
  --text-muted: #8b8fa3;
  --accent: #6366f1;
  --accent-hover: #818cf8;
  --green: #22c55e;
  --red: #ef4444;
  --yellow: #eab308;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
}

/* Setup Page */
.setup-container {
  max-width: 640px;
  margin: 0 auto;
  padding: 60px 24px;
}

.setup-container h1 {
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 8px;
}

.setup-container .subtitle {
  color: var(--text-muted);
  margin-bottom: 40px;
  font-size: 15px;
}

.form-group {
  margin-bottom: 24px;
}

.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.form-group select,
.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-size: 15px;
  outline: none;
  transition: border-color 0.2s;
}

.form-group select:focus,
.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--accent);
}

.form-group textarea {
  resize: vertical;
  min-height: 100px;
  font-family: inherit;
}

.form-group select option {
  background: var(--surface);
}

.btn-start {
  width: 100%;
  padding: 16px;
  background: var(--accent);
  color: white;
  border: none;
  border-radius: 10px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s;
  margin-top: 16px;
}

.btn-start:hover { background: var(--accent-hover); }
.btn-start:disabled { opacity: 0.5; cursor: not-allowed; }

/* Past sessions */
.past-sessions {
  margin-top: 48px;
  border-top: 1px solid var(--border);
  padding-top: 24px;
}

.past-sessions h3 {
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.session-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 14px 16px;
  margin-bottom: 8px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.session-card .meta { font-size: 14px; }
.session-card .score {
  font-size: 20px;
  font-weight: 700;
}

/* Session Page */
.session-container {
  display: flex;
  flex-direction: column;
  height: 100vh;
  max-width: 800px;
  margin: 0 auto;
}

.session-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 24px;
  border-bottom: 1px solid var(--border);
}

.session-header .info {
  font-size: 14px;
  color: var(--text-muted);
}

.session-header .timer {
  font-family: 'SF Mono', 'Fira Code', monospace;
  font-size: 16px;
  color: var(--text-muted);
}

.btn-end {
  padding: 8px 20px;
  background: var(--red);
  color: white;
  border: none;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
}

.btn-settings {
  padding: 6px 12px;
  background: var(--surface-2);
  color: var(--text-muted);
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 16px;
  cursor: pointer;
  transition: all 0.2s;
}
.btn-settings:hover { border-color: var(--accent); color: var(--text); }

/* Settings Panel */
.settings-panel {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 0 24px;
}
.settings-panel.open {
  max-height: 300px;
  padding: 16px 24px;
}

.setting-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}
.setting-row:last-child { margin-bottom: 0; }

.setting-row label {
  font-size: 13px;
  color: var(--text-muted);
}

.setting-row select,
.setting-row input[type="number"] {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  padding: 6px 10px;
  font-size: 13px;
  outline: none;
  max-width: 200px;
}
.setting-row select { max-width: 240px; }

.setting-row input[type="range"] {
  width: 120px;
  accent-color: var(--accent);
}

/* Toggle switch */
.toggle {
  position: relative;
  display: inline-block;
  width: 44px;
  height: 24px;
}
.toggle input { opacity: 0; width: 0; height: 0; }
.toggle-slider {
  position: absolute;
  cursor: pointer;
  inset: 0;
  background: var(--surface-2);
  border-radius: 24px;
  border: 1px solid var(--border);
  transition: 0.2s;
}
.toggle-slider::before {
  content: "";
  position: absolute;
  height: 18px;
  width: 18px;
  left: 2px;
  bottom: 2px;
  background: var(--text-muted);
  border-radius: 50%;
  transition: 0.2s;
}
.toggle input:checked + .toggle-slider { background: var(--accent); border-color: var(--accent); }
.toggle input:checked + .toggle-slider::before { transform: translateX(20px); background: white; }

.btn-save-settings {
  width: 100%;
  margin-top: 12px;
  padding: 10px;
  background: var(--accent);
  color: white;
  border: none;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s;
}
.btn-save-settings:hover { background: var(--accent-hover); }
.btn-save-settings.saved {
  background: var(--green);
  pointer-events: none;
}

/* Transcript area */
.transcript {
  flex: 1;
  overflow-y: auto;
  padding: 24px;
}

.message {
  margin-bottom: 20px;
  animation: fadeIn 0.3s ease;
}

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

.message .role {
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 6px;
}

.message.interviewer .role { color: var(--accent); }
.message.candidate .role { color: var(--green); }

.message .content {
  font-size: 15px;
  line-height: 1.6;
  color: var(--text);
}

/* Status indicator */
.status-bar {
  padding: 12px 24px;
  text-align: center;
  font-size: 13px;
  color: var(--text-muted);
  border-top: 1px solid var(--border);
}

.status-bar .dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  margin-right: 8px;
  vertical-align: middle;
}

.status-bar .dot.listening { background: var(--green); animation: pulse 1.5s infinite; }
.status-bar .dot.thinking { background: var(--yellow); animation: pulse 0.8s infinite; }
.status-bar .dot.speaking { background: var(--accent); animation: pulse 1s infinite; }
.status-bar .dot.scoring { background: var(--yellow); animation: pulse 0.5s infinite; }

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

/* Controls */
.controls {
  padding: 16px 24px 24px;
  display: flex;
  justify-content: center;
  gap: 16px;
}

.btn-talk {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: var(--surface-2);
  border: 2px solid var(--border);
  color: var(--text);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
  font-size: 28px;
}

.btn-talk:hover { border-color: var(--accent); }
.btn-talk.recording {
  background: var(--red);
  border-color: var(--red);
  animation: pulse-ring 1s infinite;
}

@keyframes pulse-ring {
  0% { box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.4); }
  70% { box-shadow: 0 0 0 12px rgba(239, 68, 68, 0); }
  100% { box-shadow: 0 0 0 0 rgba(239, 68, 68, 0); }
}

.btn-talk .icon { pointer-events: none; }

/* Live transcription preview */
.live-preview {
  min-height: 24px;
  padding: 0 24px 8px;
  font-size: 14px;
  color: var(--text-muted);
  font-style: italic;
  text-align: center;
}

/* Scoring Page */
.scoring-container {
  max-width: 640px;
  margin: 0 auto;
  padding: 40px 24px;
}

.scoring-container h1 {
  font-size: 24px;
  margin-bottom: 8px;
}

.scoring-meta {
  color: var(--text-muted);
  font-size: 14px;
  margin-bottom: 32px;
}

.score-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 32px;
}

.score-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px;
}

.score-card.overall {
  grid-column: 1 / -1;
  text-align: center;
  padding: 24px;
}

.score-card .label {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.score-card .value {
  font-size: 32px;
  font-weight: 700;
}

.score-card .value.high { color: var(--green); }
.score-card .value.mid { color: var(--yellow); }
.score-card .value.low { color: var(--red); }

.score-card .rationale {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 4px;
}

.feedback-section {
  margin-bottom: 28px;
}

.feedback-section h3 {
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-muted);
  margin-bottom: 12px;
}

.feedback-section ul {
  list-style: none;
  padding: 0;
}

.feedback-section li {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px 16px;
  margin-bottom: 8px;
  font-size: 14px;
  line-height: 1.5;
}

.better-answer {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 20px;
  margin-bottom: 28px;
}

.better-answer .question {
  font-weight: 600;
  margin-bottom: 8px;
}

.better-answer .yours {
  color: var(--text-muted);
  font-size: 14px;
  margin-bottom: 12px;
}

.better-answer .ideal {
  font-size: 14px;
  line-height: 1.6;
  border-left: 3px solid var(--accent);
  padding-left: 16px;
}

.decision-banner {
  text-align: center;
  padding: 24px;
  border-radius: 10px;
  margin-bottom: 24px;
}

.decision-banner.yes { background: rgba(34, 197, 94, 0.1); border: 1px solid var(--green); }
.decision-banner.no { background: rgba(239, 68, 68, 0.1); border: 1px solid var(--red); }
.decision-banner.maybe { background: rgba(234, 179, 8, 0.1); border: 1px solid var(--yellow); }

.decision-banner .verdict {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 8px;
}

.decision-banner .reason {
  font-size: 14px;
  color: var(--text-muted);
}

.btn-again {
  display: block;
  width: 100%;
  padding: 14px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-size: 15px;
  cursor: pointer;
  text-align: center;
  text-decoration: none;
}

.btn-again:hover { border-color: var(--accent); }