/* ================================================================
   Leo Presentation Analyser — Global Styles
   Stormy Morning palette: deep slate bg, cornflower blue accents
   ================================================================ */

/* ── Custom properties ─────────────────────────────────────────── */
:root {
  --bg:           #222e38;
  --surface:      #384959;
  --surface-2:    #445c70;
  --border:       rgba(136,189,242,0.14);
  --accent:       #88BDF2;
  --accent-2:     #6A89A7;
  --accent-glow:  rgba(136,189,242,0.28);
  --text:         #e8f2fc;
  --text-muted:   #8aabbd;
  --success:      #1de9a1;
  --warning:      #ffb300;
  --danger:       #ff5252;
  --radius:       14px;
  --radius-sm:    8px;
  --shadow:       0 8px 40px rgba(0,0,0,0.5);
  --transition:   0.25s ease;
}

/* ── Reset & Base ──────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  line-height: 1.6;
}

h1,h2,h3,h4 { font-weight: 700; letter-spacing: -0.02em; }
h3 { font-size: 1.1rem; }
p  { color: var(--text-muted); font-size: 0.9rem; }

/* ── Header ────────────────────────────────────────────────────── */
.site-header {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 1.1rem 2rem;
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(12px);
}

.header-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 1.2rem;
}

.logo {
  height: 90px;
  width: auto;
  object-fit: contain;
  border-radius: var(--radius-sm);
  margin: -20px 0;
}

.brand-name { font-size: 1.4rem; background: linear-gradient(135deg, var(--accent), var(--accent-2)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.brand-sub  { font-size: 0.8rem; color: var(--text-muted); margin-top: 0.1rem; }

/* ── Main Wrap ─────────────────────────────────────────────────── */
.main-wrap {
  flex: 1;
  max-width: 1100px;
  width: 100%;
  margin: 0 auto;
  padding: 2.5rem 1.5rem 3rem;
}

/* ── Upload Section ────────────────────────────────────────────── */
.upload-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
  max-width: 640px;
  margin: 0 auto;
}

.drop-zone {
  width: 100%;
  background: var(--surface);
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  padding: 3.5rem 2rem;
  text-align: center;
  cursor: pointer;
  transition: border-color var(--transition), background var(--transition), box-shadow var(--transition);
  position: relative;
}

.drop-zone:hover,
.drop-zone.drag-over {
  border-color: var(--accent);
  background: rgba(136,189,242,0.07);
  box-shadow: 0 0 0 4px var(--accent-glow);
}

.drop-icon svg { width: 72px; height: 72px; margin-bottom: 1.2rem; }

.drop-title {
  font-size: 1.4rem;
  margin-bottom: 0.4rem;
}

.drop-sub { font-size: 0.95rem; color: var(--text-muted); margin-bottom: 1rem; }

.browse-link {
  color: var(--accent);
  cursor: pointer;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.file-selected {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  background: rgba(136,189,242,0.12);
  border: 1px solid var(--accent);
  border-radius: var(--radius-sm);
  padding: 0.6rem 1rem;
  margin-top: 1rem;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text);
  max-width: 100%;
  overflow: hidden;
}

.file-selected .file-icon { font-size: 1.1rem; flex-shrink: 0; }
#file-name-display { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.file-size { color: var(--text-muted); font-weight: 400; flex-shrink: 0; }

.format-hint { font-size: 0.78rem; color: var(--text-muted); margin-top: 1.4rem; letter-spacing: 0.05em; }

/* ── Presentation Name Input ───────────────────────────────────── */
.name-field { width: 100%; }

.name-input {
  width: 100%;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.75rem 1.1rem;
  font-size: 1rem;
  font-family: inherit;
  color: var(--text);
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.name-input::placeholder { color: var(--text-muted); }

.name-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

/* ── Presentation Title (results) ──────────────────────────────── */
.presentation-title {
  font-size: 1.8rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 1.5rem;
  min-height: 1em;
}

/* ── Analyze Button ────────────────────────────────────────────── */
.btn-analyze {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff;
  border: none;
  border-radius: 40px;
  padding: 0.85rem 2.8rem;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  letter-spacing: 0.03em;
  transition: opacity var(--transition), transform var(--transition), box-shadow var(--transition);
  box-shadow: 0 4px 20px var(--accent-glow);
}

.btn-analyze:disabled {
  opacity: 0.35;
  cursor: not-allowed;
  box-shadow: none;
  transform: none !important;
}

.btn-analyze:not(:disabled):hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px var(--accent-glow);
}

.btn-icon { margin-right: 0.4rem; }

/* ── Progress Section ──────────────────────────────────────────── */
.progress-card {
  max-width: 520px;
  margin: 4rem auto;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 3rem 2.5rem;
  text-align: center;
  box-shadow: var(--shadow);
}

/* Spinner */
.spinner-ring {
  width: 56px;
  height: 56px;
  border: 4px solid var(--surface-2);
  border-top-color: var(--accent);
  border-right-color: var(--accent-2);
  border-radius: 50%;
  animation: spin 0.9s linear infinite;
  margin: 0 auto 1.5rem;
}

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

.progress-title { font-size: 1.2rem; margin-bottom: 1.4rem; }

.progress-track {
  width: 100%;
  height: 8px;
  background: var(--surface-2);
  border-radius: 100px;
  overflow: hidden;
  margin-bottom: 0.6rem;
}

.progress-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  border-radius: 100px;
  transition: width 0.4s ease;
}

.progress-pct { font-size: 1.5rem; font-weight: 800; color: var(--accent); margin-bottom: 0.3rem; }
.progress-msg  { font-size: 0.85rem; color: var(--text-muted); }

/* ── Summary Row ───────────────────────────────────────────────── */
.summary-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  margin-bottom: 2rem;
}

.sum-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.2rem 1rem;
  display: flex;
  align-items: center;
  gap: 0.9rem;
  transition: transform var(--transition), box-shadow var(--transition);
}

.sum-card:hover { transform: translateY(-3px); box-shadow: var(--shadow); }

.sum-icon {
  font-size: 1.8rem;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  flex-shrink: 0;
}

.pace-icon  { background: rgba(136,189,242,0.15); }
.mood-icon  { background: rgba(106,137,167,0.2); }
.gaze-icon  { background: rgba(29,233,161,0.15); }
.filler-icon{ background: rgba(255,179,0,0.15);  }
.pause-icon { background: rgba(255,82,82,0.15);  }
.freq-icon  { background: rgba(130,80,255,0.15); }

.sum-body  { min-width: 0; flex: 1; }
.sum-val   { font-size: 1.35rem; font-weight: 800; line-height: 1.15; color: var(--text); text-transform: capitalize; overflow-wrap: break-word; word-break: break-word; }
.sum-label { font-size: 0.72rem; color: var(--text-muted); margin-top: 0.2rem; text-transform: uppercase; letter-spacing: 0.05em; }

/* ── Tabs ──────────────────────────────────────────────────────── */
.tabs-wrapper { margin-bottom: 2rem; }

.tab-bar {
  display: flex;
  gap: 0.25rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.35rem;
  margin-bottom: 1.5rem;
  overflow-x: auto;
}

.tab-btn {
  flex: 1;
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 0.88rem;
  font-weight: 600;
  padding: 0.6rem 1rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background var(--transition), color var(--transition);
  white-space: nowrap;
}

.tab-btn:hover   { background: var(--surface-2); color: var(--text); }
.tab-btn.active  { background: linear-gradient(135deg, var(--accent), var(--accent-2)); color: #fff; box-shadow: 0 2px 12px var(--accent-glow); }

.tab-panel { animation: fadeIn 0.25s ease; }
@keyframes fadeIn { from { opacity:0; transform:translateY(6px); } to { opacity:1; transform:none; } }

/* ── Chart Grid ────────────────────────────────────────────────── */
.chart-grid { display: grid; gap: 1.25rem; margin-bottom: 1.25rem; }
.two-col    { grid-template-columns: 1fr 1fr; }

@media (max-width: 720px) {
  .two-col { grid-template-columns: 1fr; }
}

.chart-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.4rem 1.5rem;
  box-shadow: 0 2px 16px rgba(0,0,0,0.2);
}

.chart-card.full { margin-bottom: 1.25rem; }

.chart-card h3 { margin-bottom: 0.2rem; font-size: 1rem; }
.chart-desc    { font-size: 0.8rem; color: var(--text-muted); margin-bottom: 1rem; }

.canvas-wrap     { position: relative; height: 280px; }
.canvas-wrap.tall{ height: 340px; }

/* ── Frequency Stats ───────────────────────────────────────────── */
.freq-stats-row {
  display: grid;
  grid-template-columns: repeat(3,1fr);
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.freq-stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.6rem 1rem;
  text-align: center;
}

.freq-stat-val   { font-size: 2.2rem; font-weight: 800; background: linear-gradient(135deg,var(--accent),var(--accent-2)); -webkit-background-clip:text; -webkit-text-fill-color:transparent; background-clip:text; }
.freq-stat-label { font-size: 0.78rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.08em; margin-top: 0.3rem; }
.freq-stat-unit  { font-size: 0.72rem; color: var(--text-muted); margin-top: 0.1rem; }

/* ── Pause List ────────────────────────────────────────────────── */
.pause-list { display: flex; flex-wrap: wrap; gap: 0.6rem; margin-top: 1rem; }

.pause-badge {
  background: rgba(255,82,82,0.12);
  border: 1px solid rgba(255,82,82,0.3);
  color: var(--danger);
  border-radius: 100px;
  padding: 0.3rem 0.9rem;
  font-size: 0.8rem;
  font-weight: 600;
}

.empty-state {
  text-align: center;
  padding: 2.5rem;
  color: var(--success);
  font-size: 1rem;
  font-weight: 600;
}

/* ── Gaze Summary ──────────────────────────────────────────────── */
.gaze-summary { display: flex; flex-direction: column; gap: 0.8rem; margin-top: 0.5rem; }

.gaze-row {
  display: flex;
  align-items: center;
  gap: 0.8rem;
}

.gaze-direction { font-size: 0.85rem; font-weight: 600; min-width: 80px; text-transform: capitalize; }

.gaze-bar-track {
  flex: 1;
  height: 6px;
  background: var(--surface-2);
  border-radius: 100px;
  overflow: hidden;
}

.gaze-bar-fill {
  height: 100%;
  border-radius: 100px;
  transition: width 0.6s ease;
}

.gaze-pct { font-size: 0.8rem; color: var(--text-muted); min-width: 42px; text-align: right; }

/* ── Emotion Selector Pills ────────────────────────────────────── */
.emotion-selector {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 1rem;
}

.emo-pill {
  background: transparent;
  border: 1.5px solid var(--pill-color, var(--border));
  color: var(--text-muted);
  border-radius: 100px;
  padding: 0.28rem 0.8rem;
  font-size: 0.78rem;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  transition: background var(--transition), color var(--transition);
}

.emo-pill:hover:not(.active) {
  background: rgba(255,255,255,0.05);
  color: var(--text);
}

.emo-pill.active {
  background: var(--pill-color, var(--accent));
  border-color: var(--pill-color, var(--accent));
  color: #fff;
}

/* ── Transcript ────────────────────────────────────────────────── */
.transcript-card { margin-bottom: 2rem; }

.transcript-body {
  background: var(--surface-2);
  border-radius: var(--radius-sm);
  padding: 1.2rem 1.4rem;
  font-size: 0.9rem;
  line-height: 1.8;
  max-height: 260px;
  overflow-y: auto;
  color: var(--text);
  white-space: pre-wrap;
  word-break: break-word;
}

.transcript-body::-webkit-scrollbar { width: 6px; }
.transcript-body::-webkit-scrollbar-track { background: var(--surface); }
.transcript-body::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }

/* ── AI Coach Chat ─────────────────────────────────────────────── */
#chat-messages::-webkit-scrollbar { width: 6px; }
#chat-messages::-webkit-scrollbar-track { background: var(--surface); }
#chat-messages::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }

.chat-msg {
  max-width: 80%;
  padding: 0.55rem 0.9rem;
  border-radius: 12px;
  font-size: 0.9rem;
  line-height: 1.5;
  white-space: pre-wrap;
  word-break: break-word;
}
.chat-msg--user {
  align-self: flex-end;
  background: var(--accent);
  color: #000;
  border-bottom-right-radius: 3px;
}
.chat-msg--assistant {
  align-self: flex-start;
  background: var(--surface-2);
  color: var(--text);
  border-bottom-left-radius: 3px;
}
.chat-thinking {
  align-self: flex-start;
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 0.55rem 0.9rem;
  background: var(--surface-2);
  border-radius: 12px;
  border-bottom-left-radius: 3px;
}
.chat-thinking span {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--text-muted);
  animation: chat-bounce 1.2s infinite ease-in-out;
}
.chat-thinking span:nth-child(2) { animation-delay: 0.2s; }
.chat-thinking span:nth-child(3) { animation-delay: 0.4s; }
@keyframes chat-bounce {
  0%, 60%, 100% { transform: translateY(0); opacity: 0.4; }
  30%            { transform: translateY(-5px); opacity: 1; }
}

/* ── Reset Row ─────────────────────────────────────────────────── */
.reset-row {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-top: 1.5rem;
}

/* ── Footer ────────────────────────────────────────────────────── */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 1rem 2rem;
  text-align: center;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.site-footer strong { color: var(--accent); }

/* ── Suggest button (header) ────────────────────────────────── */
.btn-suggest {
  margin-left: auto;
  background: transparent;
  color: var(--accent);
  border: 1.5px solid var(--accent);
  border-radius: 40px;
  padding: 0.45rem 1.1rem;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: background var(--transition), box-shadow var(--transition);
}
.btn-suggest:hover {
  background: rgba(136,189,242,0.10);
  box-shadow: 0 0 12px var(--accent-glow);
}

/* ── Suggestions modal ──────────────────────────────────────── */
.suggestions-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.55);
  backdrop-filter: blur(4px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.suggestions-modal {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  width: 100%;
  max-width: 520px;
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  animation: sug-in 0.2s ease;
}

@keyframes sug-in {
  from { opacity: 0; transform: translateY(-16px) scale(0.97); }
  to   { opacity: 1; transform: none; }
}

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

.suggestions-header h2 {
  font-size: 1.15rem;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.suggestions-close {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1.5rem;
  line-height: 1;
  cursor: pointer;
  padding: 0 0.2rem;
  transition: color var(--transition);
}
.suggestions-close:hover { color: var(--text); }

.suggestions-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin: 0;
}

.sug-field {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.sug-field label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-muted);
  letter-spacing: 0.03em;
}

.sug-optional { font-weight: 400; opacity: 0.7; }
.sug-required { color: var(--danger); }

.sug-field input,
.sug-field select,
.sug-field textarea {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-size: 0.9rem;
  font-family: inherit;
  padding: 0.6rem 0.85rem;
  outline: none;
  transition: border-color var(--transition);
  resize: vertical;
}

.sug-field input:focus,
.sug-field select:focus,
.sug-field textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px var(--accent-glow);
}

.sug-field select option { background: var(--surface-2); }

.sug-char-count {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-align: right;
}

.sug-feedback {
  font-size: 0.85rem;
  padding: 0.6rem 0.9rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
}
.sug-feedback.success { background: rgba(29,233,161,0.12); color: var(--success); }
.sug-feedback.error   { background: rgba(255,82,82,0.12);  color: var(--danger); }

.sug-actions {
  display: flex;
  gap: 0.75rem;
  justify-content: flex-end;
  padding-top: 0.25rem;
}

/* ── Scrollbar global ──────────────────────────────────────────── */
::-webkit-scrollbar       { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--surface-2); border-radius: 3px; }

/* ── Secondary Button ────────────────────────────────────────────── */
.btn-secondary {
  background: var(--surface-2);
  color: var(--accent);
  border: 1.5px solid var(--accent);
  border-radius: 40px;
  padding: 0.7rem 1.8rem;
  font-size: 0.9rem;
  font-weight: 700;
  cursor: pointer;
  letter-spacing: 0.02em;
  transition: background var(--transition), box-shadow var(--transition);
}

.btn-secondary:hover {
  background: rgba(136,189,242,0.12);
  box-shadow: 0 4px 16px var(--accent-glow);
}

.btn-secondary:disabled { opacity: 0.35; cursor: not-allowed; box-shadow: none; }

/* ── Severity Badges ─────────────────────────────────────────────── */
.sum-card.badge-green  { border-color: var(--success); box-shadow: 0 0 0 1px rgba(29,233,161,0.2); }
.sum-card.badge-yellow { border-color: var(--warning); box-shadow: 0 0 0 1px rgba(255,179,0,0.2); }
.sum-card.badge-red    { border-color: var(--danger);  box-shadow: 0 0 0 1px rgba(255,82,82,0.2); }

.sum-card.badge-green  .sum-val { color: var(--success); }
.sum-card.badge-yellow .sum-val { color: var(--warning); }
.sum-card.badge-red    .sum-val { color: var(--danger);  }

.compare-val.badge-green  { color: var(--success); font-weight: 700; }
.compare-val.badge-yellow { color: var(--warning); font-weight: 700; }
.compare-val.badge-red    { color: var(--danger);  font-weight: 700; }

/* ── 4-col / 5-col frequency stats ──────────────────────────────── */
.freq-stats-row.four-col { grid-template-columns: repeat(4, 1fr); }
.freq-stats-row.five-col { grid-template-columns: repeat(5, 1fr); }

.freq-stats-row.five-col .freq-stat-val   { font-size: 2rem; }
.freq-stats-row.five-col .freq-stat-label { font-size: 0.65rem; }
.freq-stats-row.five-col .freq-stat-unit  { font-size: 0.65rem; }

@media (max-width: 900px) {
  .freq-stats-row.five-col { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 720px) {
  .freq-stats-row.four-col,
  .freq-stats-row.five-col { grid-template-columns: repeat(2, 1fr); }
}

.variety-card.badge-green  .freq-stat-val { color: var(--success); }
.variety-card.badge-yellow .freq-stat-val { color: var(--warning); }
.variety-card.badge-red    .freq-stat-val { color: var(--danger);  }

/* ── Transcript legend ───────────────────────────────────────────── */
.transcript-legend {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  flex-wrap: wrap;
  margin-bottom: 0.75rem;
  font-size: 0.78rem;
  color: var(--text-muted);
}
.transcript-legend-label { margin-right: 0.2rem; }
.transcript-legend-swatch {
  display: inline-block;
  width: 28px;
  height: 14px;
  border-radius: 3px;
  border: 1px solid rgba(255,82,82,0.25);
  flex-shrink: 0;
}
.transcript-legend-text { margin-right: 0.5rem; }

/* ── Clickable Transcript ────────────────────────────────────────── */
.transcript-word {
  cursor: pointer;
  border-radius: 3px;
  padding: 1px 2px;
  display: inline;
  transition: background var(--transition), color var(--transition);
}

.transcript-word:hover { background: rgba(136,189,242,0.2); color: var(--text); }

.transcript-word.highlighted {
  background: var(--accent);
  color: #fff;
  border-radius: 3px;
}

/* ── History Cards ───────────────────────────────────────────────── */
.history-list { display: flex; flex-direction: column; gap: 0.75rem; margin-top: 0.5rem; }

.history-card {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.9rem 1.2rem;
  transition: border-color var(--transition), transform var(--transition);
}

.history-card:hover { border-color: var(--accent); transform: translateX(3px); }

.history-card-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 0.5rem;
}

.history-name { font-weight: 700; font-size: 0.95rem; color: var(--text); }
.history-date { font-size: 0.75rem; color: var(--text-muted); }

.history-metrics { display: flex; flex-wrap: wrap; gap: 0.4rem; }

.hm-chip {
  background: rgba(108,99,255,0.1);
  border: 1px solid rgba(136,189,242,0.2);
  color: var(--text-muted);
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: 100px;
  padding: 0.18rem 0.65rem;
}

.history-loading { text-align: center; padding: 2rem; color: var(--text-muted); }

/* ── Comparison Grid ─────────────────────────────────────────────── */
.compare-controls { margin-top: 1.25rem; }

.compare-selectors {
  display: flex;
  gap: 0.75rem;
  align-items: center;
  margin: 1rem 0;
  flex-wrap: wrap;
}

.compare-select {
  flex: 1;
  min-width: 180px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.6rem 0.9rem;
  font-size: 0.88rem;
  font-family: inherit;
  color: var(--text);
  outline: none;
  cursor: pointer;
  transition: border-color var(--transition);
}

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

.compare-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 0.5rem 1rem;
  margin-top: 1rem;
}

.compare-header {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding-bottom: 0.4rem;
  border-bottom: 1px solid var(--border);
}

.compare-label {
  font-size: 0.82rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
}

.compare-val {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text);
}

/* ── Posture / Body Language Option ─────────────────────────────── */
.posture-option {
  margin: 0.6rem 0 0.2rem;
  padding: 0.8rem 1rem;
  background: rgba(136,189,242,0.05);
  border: 1px solid rgba(136,189,242,0.15);
  border-radius: var(--radius-sm);
}

.posture-check-label {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  cursor: pointer;
  user-select: none;
}

.posture-check-label input[type="checkbox"] {
  display: none;
}

.posture-check-box {
  width: 18px;
  height: 18px;
  min-width: 18px;
  border: 2px solid var(--accent);
  border-radius: 4px;
  background: transparent;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition), border-color var(--transition);
  position: relative;
}

.posture-check-label input[type="checkbox"]:checked + .posture-check-box {
  background: var(--accent);
}

.posture-check-label input[type="checkbox"]:checked + .posture-check-box::after {
  content: '';
  display: block;
  width: 5px;
  height: 9px;
  border: 2px solid #fff;
  border-top: none;
  border-left: none;
  transform: rotate(45deg) translate(-1px, -1px);
}

.posture-check-text {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.posture-check-title {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text);
}

.posture-check-warn {
  font-size: 0.76rem;
  color: var(--warning);
  font-weight: 500;
}

/* ================================================================
   MODE TOGGLE (Upload / Webcam)
   ================================================================ */
.mode-toggle {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1.2rem;
  background: var(--surface-2);
  border-radius: var(--radius-sm);
  padding: 0.3rem;
}

.mode-btn {
  flex: 1;
  padding: 0.55rem 1rem;
  border: none;
  border-radius: calc(var(--radius-sm) - 2px);
  background: transparent;
  color: var(--text-muted);
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}

.mode-btn.active {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 2px 10px rgba(136,189,242,0.28);
}

/* ── Webcam preview ─────────────────────────────────────────────── */
.webcam-wrap {
  border-radius: var(--radius);
  overflow: hidden;
  background: #000;
  margin-bottom: 1rem;
  aspect-ratio: 16 / 9;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.gaze-check-badge {
  position: absolute;
  bottom: 12px;
  left: 50%;
  transform: translateX(-50%);
  padding: 5px 14px;
  border-radius: 20px;
  font-size: 0.82rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 6px;
  pointer-events: none;
  white-space: nowrap;
  transition: background 0.3s, color 0.3s;
}
.gaze-badge-ok       { background: rgba(30,200,100,0.88); color: #fff; }
.gaze-badge-no       { background: rgba(255,70,70,0.88);  color: #fff; }
.gaze-badge-checking { background: rgba(80,80,100,0.75);  color: #ccc; }

.webcam-preview {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--radius);
  transform: scaleX(-1); /* mirror so it feels natural */
}

.webcam-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 1rem;
}

.btn-record {
  padding: 0.65rem 1.6rem;
  border: none;
  border-radius: 999px;
  background: var(--danger);
  color: #fff;
  font-size: 0.95rem;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: 0 3px 14px rgba(255,82,82,0.4);
}
.btn-record:hover { filter: brightness(1.12); }

.btn-stop {
  padding: 0.65rem 1.6rem;
  border: none;
  border-radius: 999px;
  background: var(--surface-2);
  color: var(--text);
  font-size: 0.95rem;
  font-weight: 700;
  cursor: pointer;
  border: 1px solid var(--border);
  transition: var(--transition);
}
.btn-stop:hover { background: var(--surface); }

.record-timer {
  font-size: 1rem;
  font-weight: 700;
  color: var(--danger);
  font-variant-numeric: tabular-nums;
  min-width: 3rem;
  text-align: center;
  animation: pulse-timer 1s ease-in-out infinite;
}

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

/* ================================================================
   FILLER HIGHLIGHT IN TRANSCRIPT
   ================================================================ */
.transcript-word.filler-highlight {
  background: rgba(255,179,0,0.22);
  color: var(--warning);
  border-radius: 3px;
  padding: 0 2px;
  font-weight: 600;
}

/* ================================================================
   REPETITIVE WORDS
   ================================================================ */
.rep-words-list {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

.rep-word-item {
  display: grid;
  grid-template-columns: 120px 1fr 48px;
  align-items: center;
  gap: 0.75rem;
}

.rep-word-text {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text);
  text-transform: capitalize;
}

.rep-word-bar-track {
  background: var(--surface-2);
  border-radius: 999px;
  height: 8px;
  overflow: hidden;
}

.rep-word-bar {
  height: 100%;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  transition: width 0.4s ease;
}

.rep-word-count {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--text-muted);
  text-align: right;
}

/* ── Summary tab ───────────────────────────────────────────────── */
.summary-tab-card { padding: 2rem 2.4rem; }

.summary-paragraphs { margin-top: 1.2rem; display: flex; flex-direction: column; gap: 1.2rem; }

.summary-p {
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--text);
  background: var(--surface-2);
  border-left: 3px solid var(--accent);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  padding: 1rem 1.4rem;
}

/* ── Script option (upload screen) ────────────────────────────── */
.script-option { margin: 0.6rem 0; }

.script-toggle-btn {
  background: none;
  border: 1px dashed var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  cursor: pointer;
  font-size: 0.88rem;
  padding: 0.5rem 1rem;
  width: 100%;
  text-align: left;
  transition: border-color var(--transition), color var(--transition);
}
.script-toggle-btn:hover { border-color: var(--accent); color: var(--text); }
.script-caret { float: right; }

.script-textarea {
  width: 100%;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-family: inherit;
  font-size: 0.9rem;
  line-height: 1.6;
  margin-top: 0.5rem;
  padding: 0.8rem 1rem;
  resize: vertical;
  outline: none;
  transition: border-color var(--transition);
}
.script-textarea:focus { border-color: var(--accent); }
.script-textarea::placeholder { color: var(--text-muted); }

/* ── Confidence card ───────────────────────────────────────────── */
.conf-icon { font-size: 1.4rem; }

/* ── Coach Tips ────────────────────────────────────────────────── */
.coach-tip {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  background: linear-gradient(135deg, rgba(136,189,242,0.08), rgba(106,137,167,0.1));
  border: 1px solid rgba(136,189,242,0.2);
  border-radius: var(--radius);
  padding: 1rem 1.2rem;
  margin-top: 1rem;
}
.coach-tip-icon { font-size: 1.3rem; flex-shrink: 0; margin-top: 0.1rem; }
.coach-tip-text { font-size: 0.93rem; line-height: 1.7; color: var(--text); }

/* ── Segment Coach Panel ───────────────────────────────────────── */
.segment-coach-panel {
  background: var(--surface-2);
  border: 1px solid rgba(136,189,242,0.25);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius);
  padding: 1rem 1.4rem;
  margin-top: 1rem;
  animation: fadeIn 0.2s ease;
}
@keyframes fadeIn { from { opacity: 0; transform: translateY(4px); } to { opacity: 1; transform: none; } }

.segment-coach-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
}
.segment-coach-icon  { font-size: 1.1rem; }
.segment-coach-title { font-weight: 700; font-size: 0.9rem; color: var(--accent); text-transform: uppercase; letter-spacing: 0.05em; }
.segment-coach-time  { margin-left: auto; font-size: 0.82rem; color: var(--text-muted); font-family: monospace; }
.segment-coach-text  { font-size: 0.95rem; line-height: 1.7; color: var(--text); margin: 0; }
.segment-quote       { color: var(--text-muted); font-size: 0.88rem; display: block; margin-top: 0.4rem; }

/* ── Speaking Time Breakdown ───────────────────────────────────── */
.speaking-breakdown-wrap {
  display: flex;
  align-items: center;
  gap: 2rem;
  flex-wrap: wrap;
}
.small-pie { width: 180px !important; height: 180px !important; flex-shrink: 0; }

.speaking-time-stats { flex: 1; min-width: 200px; display: flex; flex-direction: column; gap: 0.6rem; }
.speaking-stat-row   { display: flex; align-items: center; gap: 0.6rem; font-size: 0.9rem; }
.speaking-stat-dot   { width: 10px; height: 10px; border-radius: 50%; flex-shrink: 0; }
.speaking-stat-label { flex: 1; color: var(--text); }
.speaking-stat-time  { color: var(--text-muted); font-size: 0.85rem; }
.speaking-stat-pct   { width: 36px; text-align: right; font-weight: 700; font-size: 0.85rem; color: var(--text-muted); }

/* ── Script Feedback ───────────────────────────────────────────── */
.script-stats-row {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 1.5rem;
}
.script-stat-card {
  flex: 1;
  min-width: 110px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem;
  text-align: center;
}
.script-stat-card.stat-green { border-color: rgba(29,233,161,0.3); }
.script-stat-card.stat-yellow { border-color: rgba(255,179,0,0.3); }
.script-stat-card.stat-red { border-color: rgba(255,82,82,0.3); }
.script-stat-val   { font-size: 1.8rem; font-weight: 800; color: var(--text); }
.script-stat-label { font-size: 0.78rem; color: var(--text-muted); margin-top: 0.2rem; }

.script-diff-section, .script-missed-section { margin-top: 1.4rem; }
.script-diff-section h4, .script-missed-section h4 { font-size: 1rem; color: var(--text); margin-bottom: 0.4rem; }

.script-legend     { font-size: 1.1rem; }
.script-legend.hit  { color: #1de9a1; }
.script-legend.miss { color: #ff5252; }

.script-diff-text {
  background: var(--surface-2);
  border-radius: var(--radius-sm);
  padding: 1rem 1.2rem;
  font-size: 0.92rem;
  line-height: 2;
  margin-top: 0.5rem;
  max-height: 300px;
  overflow-y: auto;
}
.script-word       { border-radius: 3px; padding: 1px 3px; }
.script-hit        { color: #1de9a1; }
.script-miss       { color: #ff5252; background: rgba(255,82,82,0.12); text-decoration: underline; text-decoration-style: dotted; }

.script-tag-list   { display: flex; flex-wrap: wrap; gap: 0.4rem; margin-top: 0.5rem; }
.missed-tag {
  background: rgba(255,82,82,0.15);
  border: 1px solid rgba(255,82,82,0.3);
  border-radius: 999px;
  color: #ff8a80;
  font-size: 0.82rem;
  padding: 0.2rem 0.65rem;
}
.extra-tag {
  background: rgba(62,207,207,0.12);
  border: 1px solid rgba(62,207,207,0.25);
  border-radius: 999px;
  color: var(--accent-2);
  font-size: 0.82rem;
  padding: 0.2rem 0.65rem;
}

/* ================================================================
   NEW FEATURES — Custom Fillers · Slide PDF · Live Coaching
   Best/Worst Moments · Audience Q&A · Slides Tab
   ================================================================ */

/* ── Custom filler input description ──────────────────────────── */
.custom-filler-desc {
  color: var(--text-muted);
  font-size: 0.82rem;
  margin: 0.4rem 0 0.5rem;
}

.custom-filler-defaults {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-bottom: 0.75rem;
}

/* ── Slide PDF upload option ───────────────────────────────────── */
.slide-pdf-option {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  margin-top: 0.8rem;
  overflow: hidden;
}
.slide-pdf-label {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  padding: 0.75rem 1rem;
  cursor: pointer;
  transition: background var(--transition);
}
.slide-pdf-label:hover { background: rgba(255,255,255,0.04); }
.slide-pdf-icon { font-size: 1.4rem; flex-shrink: 0; }
.slide-pdf-text { display: flex; flex-direction: column; gap: 0.15rem; flex: 1; }
.slide-pdf-title { font-size: 0.92rem; font-weight: 600; color: var(--text); }
.slide-pdf-sub   { font-size: 0.78rem; color: var(--text-muted); }

/* ── Live coaching panel ───────────────────────────────────────── */
.live-coach-panel {
  background: rgba(136,189,242,0.10);
  border: 1px solid rgba(136,189,242,0.25);
  border-radius: var(--radius-sm);
  margin-top: 0.9rem;
  padding: 0.75rem 1rem;
}
.live-coach-row {
  display: flex;
  gap: 1.5rem;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
}
.live-coach-stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.2rem;
  min-width: 60px;
}
.live-stat-val {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1.1;
}
.live-stat-label {
  font-size: 0.72rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.live-volume-stat { min-width: 80px; }
.live-volume-wrap {
  width: 80px;
  height: 10px;
  background: rgba(255,255,255,0.1);
  border-radius: 999px;
  overflow: hidden;
}
.live-volume-bar {
  height: 100%;
  width: 0%;
  background: var(--accent-2);
  border-radius: 999px;
  transition: width 0.1s linear;
}
.live-coach-tip {
  text-align: center;
  font-size: 0.83rem;
  color: var(--text-muted);
  margin-top: 0.5rem;
  min-height: 1.2em;
}

/* ── Best & Worst moments ──────────────────────────────────────── */
/* ── Audience Q&A ──────────────────────────────────────────────── */
.qa-list { display: flex; flex-direction: column; gap: 0.6rem; margin-top: 0.6rem; }
.qa-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  background: rgba(136,189,242,0.07);
  border-radius: var(--radius-sm);
  padding: 0.65rem 0.9rem;
}
.qa-num {
  flex-shrink: 0;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--accent);
  background: rgba(136,189,242,0.2);
  border-radius: 5px;
  padding: 0.1rem 0.4rem;
  margin-top: 0.1rem;
}
.qa-text { font-size: 0.9rem; color: var(--text); line-height: 1.5; }

/* ── Slides tab ────────────────────────────────────────────────── */
.slide-card {
  background: var(--surface-2);
  border-radius: var(--radius-sm);
  padding: 0.8rem 1rem;
  margin-bottom: 0.7rem;
  border: 1px solid var(--border);
}
.slide-no-text { opacity: 0.55; }
.slide-header {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  flex-wrap: wrap;
}
.slide-num { font-size: 0.82rem; font-weight: 700; color: var(--text-muted); min-width: 55px; }
.slide-coverage-bar-wrap {
  flex: 1;
  height: 8px;
  background: rgba(255,255,255,0.08);
  border-radius: 999px;
  overflow: hidden;
}
.slide-coverage-bar {
  height: 100%;
  border-radius: 999px;
  transition: width 0.4s ease;
}
.slide-pct {
  font-size: 0.8rem;
  font-weight: 600;
  min-width: 120px;
  text-align: right;
}
.slide-pct.muted { color: var(--text-muted); }
.slide-preview {
  margin-top: 0.45rem;
  font-size: 0.8rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* ── Analysis Modules Grid ───────────────────────────────────────── */
.analysis-modules-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem 2rem;
  padding: 0.75rem 0.25rem 0.25rem;
}

@media (max-width: 480px) {
  .analysis-modules-grid {
    grid-template-columns: 1fr;
  }
}

/* ── Presentation type preset select ────────────────────────────── */
.preset-select {
  width: 100%;
  padding: 0.6rem 0.9rem;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-size: 0.88rem;
  font-family: inherit;
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%238888aa' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  padding-right: 2rem;
  transition: border-color var(--transition);
}
.preset-select:focus {
  outline: none;
  border-color: var(--accent);
}
.preset-select option {
  background: var(--surface-2);
  color: var(--text);
}

/* ── Audio-only note ─────────────────────────────────────────────── */
.audio-only-note {
  font-size: 0.8rem;
  color: var(--accent-2);
  padding: 0.4rem 0.5rem 0.2rem;
  margin: 0;
}

/* ── Summary preset note ─────────────────────────────────────────── */
.summary-preset-note {
  background: rgba(136,189,242,0.08);
  border-left: 3px solid var(--accent);
  padding: 0.6rem 0.9rem;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin-bottom: 0.8rem;
}


/* ── Word cloud ──────────────────────────────────────────────────── */
.word-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 0.8rem;
  padding: 0.5rem 0;
  align-items: center;
  line-height: 1.6;
}
.wc-word {
  cursor: default;
  font-weight: 600;
  transition: opacity 0.2s;
  letter-spacing: 0.01em;
}
.wc-word:hover { opacity: 1 !important; }