:root {
  --purple-50: #faf5ff; --purple-100: #f3e8ff; --purple-200: #e9d5ff;
  --purple-300: #d8b4fe; --purple-400: #c084fc; --purple-500: #a855f7;
  --purple-600: #9333ea; --purple-700: #7e22ce; --purple-800: #6b21a8;
  --purple-900: #581c87;
  --white: #ffffff;
  --gray-50: #fafafa; --gray-100: #f5f5f5; --gray-200: #e5e5e5;
  --gray-300: #d4d4d4; --gray-400: #a3a3a3; --gray-500: #737373;
  --gray-600: #525252; --gray-700: #404040; --gray-800: #262626;
  --red-500: #ef4444; --red-600: #dc2626;
  --green-500: #22c55e;
  --blue-100: #dbeafe; --blue-500: #3b82f6; --blue-700: #1d4ed8;
  --orange-500: #f59e0b; --teal-500: #14b8a6; --pink-500: #ec4899;
  --indigo-500: #6366f1; --cyan-500: #06b6d4;
  --ff: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --radius-sm: 6px; --radius-md: 10px; --radius-lg: 16px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.04);
  --shadow-md: 0 4px 12px rgba(0,0,0,.08);
  --tr: .25s ease;

  --spk-1: #f97316; --spk-1-bg: #fff7ed; --spk-1-light: rgba(249,115,22,.15);
  --spk-2: #8b5cf6; --spk-2-bg: #f5f3ff; --spk-2-light: rgba(139,92,246,.15);
  --spk-3: #3b82f6; --spk-3-bg: #eff6ff; --spk-3-light: rgba(59,130,246,.15);
  --spk-4: #ef4444; --spk-4-bg: #fef2f2; --spk-4-light: rgba(239,68,68,.15);
  --spk-5: #22c55e; --spk-5-bg: #f0fdf4; --spk-5-light: rgba(34,197,94,.15);
  --spk-6: #ec4899; --spk-6-bg: #fdf2f8; --spk-6-light: rgba(236,72,153,.15);
  --spk-7: #14b8a6; --spk-7-bg: #f0fdfa; --spk-7-light: rgba(20,184,166,.15);
  --spk-8: #6366f1; --spk-8-bg: #eef2ff; --spk-8-light: rgba(99,102,241,.15);
}

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

html, body {
  height: 100%; background: var(--white); color: var(--gray-800);
  font-family: var(--ff); font-size: 14px;
  -webkit-font-smoothing: antialiased; line-height: 1.6;
}

::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--purple-200); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--purple-300); }

input, textarea, select, button { font-family: inherit; font-size: inherit; color: inherit; outline: none; }
a { color: var(--purple-600); text-decoration: none; }
a:hover { color: var(--purple-700); }

.header {
  display: flex; align-items: center; justify-content: space-between;
  height: 56px; padding: 0 24px;
  background: var(--white); border-bottom: 1px solid var(--gray-200);
  position: sticky; top: 0; z-index: 999;
  box-shadow: 0 1px 8px rgba(0,0,0,.04);
}
.header-l { display: flex; align-items: center; gap: 10px; }
.logo {
  display: flex; align-items: center; gap: 10px;
  font-size: 16px; font-weight: 700; letter-spacing: -.3px;
  color: var(--purple-800); white-space: nowrap;
}
.logo i { color: var(--purple-600); font-size: 20px; }
.logo-tag {
  font-size: 11px; font-weight: 600; color: var(--purple-600);
  background: var(--purple-100); padding: 2px 8px;
  border-radius: 4px; letter-spacing: .3px;
}
.header-r { display: flex; align-items: center; gap: 4px; }
.h-link {
  display: flex; align-items: center; gap: 6px;
  color: var(--gray-500); font-size: 13px; font-weight: 500;
  padding: 7px 12px; border-radius: 8px;
  transition: var(--tr); border: none; background: none; cursor: pointer;
}
.h-link:hover { color: var(--purple-700); background: var(--purple-50); }

.hero { padding: 20px 24px 0; background: var(--white); }
.hero .tab-bar { margin: 0; }
.hero .tab-group { background: rgba(255,255,255,.8); box-shadow: 0 8px 20px rgba(0,0,0,.08); }

.main { max-width: 960px; margin: 0 auto; padding: 32px 24px 40px; }

.tab-bar { display: flex; justify-content: center; margin-bottom: 32px; }
.tab-group {
  display: inline-flex; background: var(--gray-100);
  border-radius: var(--radius-md); padding: 4px; gap: 2px;
}
.tab-btn {
  display: flex; align-items: center; gap: 7px;
  padding: 10px 24px; font-size: 14px; font-weight: 500;
  color: var(--gray-500); background: transparent; border: none;
  border-radius: 8px; cursor: pointer; transition: all var(--tr); white-space: nowrap;
}
.tab-btn i { font-size: 13px; }
.tab-btn:hover { color: var(--gray-700); }
.tab-btn.active { color: var(--purple-700); background: var(--white); box-shadow: var(--shadow-sm); }

.tab-content { display: none; }
.tab-content.active { display: block; }

.upload-zone {
  text-align: center; padding: 48px 24px;
  border-radius: var(--radius-lg); transition: all .2s;
}
.upload-zone.drag-over {
  background: var(--purple-50);
  outline: 2px dashed var(--purple-300); outline-offset: -2px;
}
.upload-icon { display: flex; justify-content: center; align-items: center; gap: 8px; margin-bottom: 28px; }
.upload-icon-item {
  width: 48px; height: 56px; background: var(--purple-50);
  border: 1.5px solid var(--purple-200); border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  color: var(--purple-400); font-size: 18px; transition: transform .3s;
}
.upload-icon-item:nth-child(2) {
  width: 56px; height: 64px; background: var(--purple-100);
  border-color: var(--purple-300); color: var(--purple-600);
  font-size: 22px; z-index: 1; transform: translateY(-4px);
}
.upload-icon-item:nth-child(1) { transform: rotate(-6deg); }
.upload-icon-item:nth-child(3) { transform: rotate(6deg); }
.upload-zone h2 { font-size: 22px; font-weight: 700; color: var(--gray-800); margin-bottom: 10px; }
.upload-hint { font-size: 13px; color: var(--gray-400); margin-bottom: 28px; }
.upload-hint span { margin: 0 6px; color: var(--gray-300); }
.upload-actions { display: flex; justify-content: center; align-items: center; gap: 10px; margin-bottom: 20px; flex-wrap: wrap; }
.upload-drop { font-size: 13px; color: var(--gray-400); }

.btn-primary {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 11px 28px; font-size: 14px; font-weight: 600;
  color: var(--white);
  background: linear-gradient(135deg, var(--purple-600), var(--purple-500));
  border: none; border-radius: var(--radius-md); cursor: pointer;
  transition: all var(--tr); box-shadow: 0 2px 8px rgba(147,51,234,.25);
}
.btn-primary:hover {
  background: linear-gradient(135deg, var(--purple-700), var(--purple-600));
  box-shadow: 0 4px 16px rgba(147,51,234,.35); transform: translateY(-1px);
}
.btn-primary:disabled { opacity: .5; pointer-events: none; }

.btn-secondary {
  display: inline-flex; align-items: center; gap: 7px;
  padding: 10px 20px; font-size: 13.5px; font-weight: 500;
  color: var(--gray-600); background: var(--white);
  border: 1.5px solid var(--gray-200); border-radius: var(--radius-md);
  cursor: pointer; transition: all .2s ease;
}
.btn-secondary:hover { border-color: var(--purple-300); color: var(--purple-600); background: var(--purple-50); }
.btn-secondary kbd {
  font-size: 11px; font-family: inherit; color: var(--gray-400);
  background: var(--gray-100); padding: 1px 6px;
  border-radius: 4px; border: 1px solid var(--gray-200); margin-left: 2px;
}

.btn-icon {
  display: inline-flex; align-items: center; justify-content: center;
  width: 36px; height: 36px; background: var(--white);
  border: 1.5px solid var(--gray-200); border-radius: 8px;
  cursor: pointer; color: var(--gray-500); font-size: 15px;
  transition: all .2s; flex-shrink: 0;
}
.btn-icon:hover { border-color: var(--purple-300); color: var(--purple-600); background: var(--purple-50); }
.btn-icon.active { border-color: var(--purple-400); color: var(--purple-600); background: var(--purple-50); }

.btn-record {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 13px 32px; font-size: 15px; font-weight: 600;
  color: var(--white);
  background: linear-gradient(135deg, var(--purple-600), var(--purple-500));
  border: none; border-radius: 12px; cursor: pointer;
  transition: all var(--tr); box-shadow: 0 2px 8px rgba(147,51,234,.25);
}
.btn-record:hover {
  background: linear-gradient(135deg, var(--purple-700), var(--purple-600));
  box-shadow: 0 4px 16px rgba(147,51,234,.35); transform: translateY(-1px);
}
.btn-record.recording {
  background: linear-gradient(135deg, var(--red-600), var(--red-500));
  box-shadow: 0 2px 8px rgba(239,68,68,.25);
  animation: pulse-rec 1.5s infinite;
}
@keyframes pulse-rec {
  0%, 100% { box-shadow: 0 2px 8px rgba(239,68,68,.25); }
  50% { box-shadow: 0 4px 20px rgba(239,68,68,.45); }
}

.btn-outline {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 8px 16px; font-size: 13px; font-weight: 500;
  color: var(--gray-600); background: var(--white);
  border: 1.5px solid var(--gray-200); border-radius: 8px;
  cursor: pointer; transition: .2s;
}
.btn-outline:hover { border-color: var(--purple-300); color: var(--purple-600); }

.realtime-zone { text-align: center; padding: 48px 24px; }
.realtime-icon {
  width: 72px; height: 72px; margin: 0 auto 28px;
  background: var(--gray-50); border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-lg); display: flex;
  align-items: center; justify-content: center;
  color: var(--purple-500); font-size: 28px;
}
.realtime-zone h2 { font-size: 22px; font-weight: 700; color: var(--gray-800); margin-bottom: 10px; }
.realtime-hint { font-size: 14px; color: var(--gray-400); margin-bottom: 32px; }
.realtime-actions { display: flex; align-items: center; justify-content: center; gap: 10px; margin-bottom: 24px; }
.realtime-option { display: inline-flex; align-items: center; gap: 10px; font-size: 13px; color: var(--gray-500); }

.toggle {
  position: relative; width: 40px; height: 22px;
  background: var(--gray-300); border-radius: 11px;
  cursor: pointer; transition: background var(--tr); border: none; flex-shrink: 0;
}
.toggle.on { background: var(--purple-500); }
.toggle::after {
  content: ''; position: absolute; top: 2px; left: 2px;
  width: 18px; height: 18px; background: var(--white);
  border-radius: 50%; transition: transform var(--tr);
  box-shadow: 0 1px 3px rgba(0,0,0,.15);
}
.toggle.on::after { transform: translateX(18px); }

.settings-wrap { position: relative; display: inline-flex; }
.settings-panel {
  position: absolute; right: 0; top: calc(100% + 8px);
  width: 380px; max-height: 70vh; overflow-y: auto;
  background: var(--white); border: 1px solid var(--gray-200);
  border-radius: var(--radius-md); box-shadow: var(--shadow-md);
  z-index: 100; opacity: 0; visibility: hidden;
  transform: translateY(-4px) scale(.98);
  transition: opacity .2s, visibility .2s, transform .2s;
}
.settings-panel.open { opacity: 1; visibility: visible; transform: translateY(0) scale(1); }
.s-section { padding: 14px 16px; border-bottom: 1px solid var(--gray-100); }
.s-section:last-child { border-bottom: none; }
.s-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.s-label {
  display: flex; align-items: center; gap: 6px;
  font-size: 13px; font-weight: 500; color: var(--gray-500); white-space: nowrap;
}
.s-help {
  display: inline-flex; align-items: center;
  color: var(--gray-400); font-size: 13px; cursor: help;
}
.s-help .help-tip { display: none; }

.help-popover {
  position: fixed; z-index: 9999; pointer-events: none;
  background: var(--white); color: var(--gray-600);
  font-size: 12.5px; line-height: 1.5; font-weight: 400;
  padding: 10px 14px; border-radius: 10px;
  box-shadow: 0 4px 20px rgba(0,0,0,.12), 0 0 0 1px rgba(0,0,0,.05);
  max-width: 220px; width: max-content;
  opacity: 0; transition: opacity .15s;
}
.help-popover.visible { opacity: 1; }
.help-popover::before {
  content: ''; position: absolute; top: 50%; left: -5px;
  transform: translateY(-50%); border: 5px solid transparent;
  border-right-color: var(--white);
}

.s-model-btn {
  display: flex; align-items: center; justify-content: space-between;
  gap: 8px; width: 100%; max-width: 220px; padding: 6px 10px;
  background: var(--gray-50); border: 1px solid var(--gray-200);
  border-radius: var(--radius-sm); cursor: pointer;
  transition: border-color .2s; text-align: left;
}
.s-model-btn:hover { border-color: var(--purple-300); }
.s-model-btn .model-name { font-size: 13px; font-weight: 500; color: var(--gray-800); }
.s-model-btn .model-id { font-size: 11px; color: var(--gray-400); }
.s-model-btn i { color: var(--gray-400); font-size: 12px; flex-shrink: 0; }

.s-select { display: none; }

.lang-picker-btn {
  display: flex; align-items: center; justify-content: space-between;
  width: 100%; max-width: 220px; padding: 7px 10px; gap: 6px;
  background: var(--white); border: 1px solid var(--gray-200);
  border-radius: var(--radius-sm); font-size: 13px;
  color: var(--gray-700); cursor: pointer; transition: border-color .2s;
}
.lang-picker-btn:hover { border-color: var(--purple-300); }
.lang-picker-btn.open { border-color: var(--purple-400); }
.lang-picker-btn.open i { transform: rotate(180deg); }
.lang-picker-btn span { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; text-align: left; }
.lang-picker-btn i { font-size: 10px; color: var(--gray-400); flex-shrink: 0; transition: transform .2s; }

.lang-dropdown {
  position: fixed; z-index: 1200;
  background: var(--white); border: 1px solid var(--gray-200);
  border-radius: 10px; box-shadow: 0 8px 30px rgba(0,0,0,.12);
  overflow: hidden;
  opacity: 0; visibility: hidden; transform: translateY(-4px);
  transition: opacity .15s, visibility .15s, transform .15s;
}
.lang-dropdown.open { opacity: 1; visibility: visible; transform: translateY(0); }
.lang-dropdown-search {
  display: flex; align-items: center; gap: 6px;
  padding: 8px 10px; border-bottom: 1px solid var(--gray-100);
}
.lang-dropdown-search i { color: var(--gray-300); font-size: 12px; flex-shrink: 0; }
.lang-dropdown-search input {
  flex: 1; border: none; outline: none; font-size: 13px;
  color: var(--gray-700); background: transparent;
}
.lang-dropdown-search input::placeholder { color: var(--gray-400); }
.lang-dropdown-list {
  max-height: 296px; overflow-y: auto; padding: 4px 0;
}
.lang-dropdown-item {
  display: flex; align-items: center; justify-content: space-between;
  width: 100%; padding: 9px 12px; font-size: 13px;
  color: var(--gray-700); background: none; border: none;
  text-align: left; cursor: pointer; transition: background .1s;
}
.lang-dropdown-item:hover { background: var(--gray-50); }
.lang-dropdown-item.selected { color: var(--purple-600); font-weight: 600; }
.lang-dropdown-item.selected::after { content: '\f00c'; font-family: 'Font Awesome 6 Free'; font-weight: 900; font-size: 12px; color: var(--purple-500); }
.lang-dropdown-item.hidden { display: none; }
.lang-dropdown-empty {
  padding: 20px 12px; text-align: center; color: var(--gray-400); font-size: 13px; display: none;
}

.s-toggle-group {
  display: inline-flex; gap: 2px; background: var(--gray-100);
  border-radius: var(--radius-sm); padding: 2px;
}
.s-toggle-group button {
  padding: 5px 12px; font-size: 12px; font-weight: 500;
  color: var(--gray-500); background: transparent; border: none;
  border-radius: 4px; cursor: pointer; transition: all .2s;
}
.s-toggle-group button:hover { color: var(--gray-700); }
.s-toggle-group button.active { background: var(--blue-100); color: var(--blue-700); }

.s-bias-input {
  width: 100%; padding: 8px 12px;
  border: 1px solid var(--gray-200); border-radius: var(--radius-sm);
  font-size: 13px; background: var(--white); transition: border-color .2s;
}
.s-bias-input::placeholder { color: var(--gray-400); }
.s-bias-input:focus { border-color: var(--purple-400); }

.s-retranscribe { text-align: center; }
.s-retranscribe-hint { font-size: 12px; color: var(--gray-400); margin-bottom: 10px; line-height: 1.5; }
.btn-retranscribe { padding: 8px 20px; font-size: 13px; }

.formats { display: flex; justify-content: center; gap: 8px; flex-wrap: wrap; margin-top: 24px; }

.file-list { margin-top: 20px; }
.file-list.hidden { display: none !important; }
.file-item {
  display: flex; align-items: center; gap: 12px; padding: 12px 16px;
  background: var(--gray-50); border: 1px solid var(--gray-200);
  border-radius: var(--radius-md); margin-bottom: 8px;
}
.file-item .file-icon { width: 36px; height: 36px; background: var(--purple-100); border-radius: 8px; display: flex; align-items: center; justify-content: center; color: var(--purple-600); flex-shrink: 0; }
.file-item .file-info { flex: 1; min-width: 0; }
.file-item .file-name { font-weight: 500; color: var(--gray-800); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.file-item .file-meta { font-size: 12px; color: var(--gray-400); margin-top: 2px; }
.file-item .file-progress { margin-top: 6px; height: 4px; background: var(--gray-200); border-radius: 2px; overflow: hidden; }
.file-item .file-progress-bar { height: 100%; background: var(--purple-500); transition: width .2s; }
.file-item .file-status { font-size: 12px; font-weight: 500; flex-shrink: 0; }
.file-item .file-status.pending { color: var(--gray-500); }
.file-item .file-status.processing { color: var(--purple-600); }
.file-item .file-status.done { color: var(--green-500); }
.file-item .file-status.error { color: var(--red-500); }
.file-item .file-remove { width: 32px; height: 32px; display: flex; align-items: center; justify-content: center; background: transparent; border: 1px solid var(--gray-200); border-radius: 6px; cursor: pointer; color: var(--gray-500); transition: .2s; flex-shrink: 0; }
.file-item .file-remove:hover { border-color: var(--red-400); color: var(--red-500); }
.format-tag {
  font-size: 11px; font-weight: 600; color: var(--purple-500);
  background: var(--purple-50); border: 1px solid var(--purple-100);
  padding: 4px 10px; border-radius: var(--radius-sm);
  letter-spacing: .5px; text-transform: uppercase;
}

/* ===== Results View ===== */
.results-view { display: none; }
.results-view.active {
  display: flex; flex-direction: column;
  height: calc(100vh - 56px - 70px);
  min-height: 400px;
}

.results-sticky-top {
  flex-shrink: 0; position: sticky; top: 56px;
  background: var(--white); z-index: 95;
  border-bottom: 1px solid var(--gray-200);
}

.results-file-bar {
  display: flex; align-items: center; justify-content: space-between;
  gap: 12px; padding: 14px 0;
  flex-wrap: wrap;
}
.results-file-bar-left { display: flex; align-items: center; gap: 12px; min-width: 0; }
.results-file-bar-left .file-icon {
  width: 36px; height: 36px; background: var(--purple-100);
  border-radius: 8px; display: flex; align-items: center;
  justify-content: center; color: var(--purple-600);
  font-size: 14px; flex-shrink: 0;
}
.results-file-name {
  font-size: 14px; font-weight: 600; color: var(--gray-800);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}

.results-badges {
  display: flex; align-items: center;
  padding-left: 6px;
}
.results-badges:hover .speaker-badge {
  margin-left: 4px;
}
.speaker-badge {
  width: 26px; height: 26px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 9px; font-weight: 700;
  cursor: default; position: relative;
  background: var(--white);
  border: 2px solid currentColor;
  margin-left: -8px;
  transition: margin .25s ease, transform .2s ease, box-shadow .2s ease;
  z-index: 1;
}
.speaker-badge:first-child { margin-left: 0; }
.results-badges:hover .speaker-badge:first-child { margin-left: 0; }
.speaker-badge:hover {
  transform: scale(1.15);
  z-index: 10;
  box-shadow: 0 2px 8px rgba(0,0,0,.12);
}
.speaker-badge .speaker-tooltip {
  position: absolute; bottom: calc(100% + 8px); left: 50%;
  transform: translateX(-50%) scale(.85); opacity: 0;
  background: var(--gray-800); color: var(--white);
  font-size: 11px; font-weight: 500; padding: 5px 12px;
  border-radius: 6px; white-space: nowrap;
  pointer-events: none; transition: all .15s ease;
  box-shadow: 0 4px 12px rgba(0,0,0,.15);
}
.speaker-badge .speaker-tooltip::after {
  content: ''; position: absolute; top: 100%; left: 50%;
  transform: translateX(-50%); border: 4px solid transparent;
  border-top-color: var(--gray-800);
}
.speaker-badge:hover .speaker-tooltip { opacity: 1; transform: translateX(-50%) scale(1); }
.speaker-badge.spk-1 { color: var(--spk-1); border-color: var(--spk-1); }
.speaker-badge.spk-2 { color: var(--spk-2); border-color: var(--spk-2); }
.speaker-badge.spk-3 { color: var(--spk-3); border-color: var(--spk-3); }
.speaker-badge.spk-4 { color: var(--spk-4); border-color: var(--spk-4); }
.speaker-badge.spk-5 { color: var(--spk-5); border-color: var(--spk-5); }
.speaker-badge.spk-6 { color: var(--spk-6); border-color: var(--spk-6); }
.speaker-badge.spk-7 { color: var(--spk-7); border-color: var(--spk-7); }
.speaker-badge.spk-8 { color: var(--spk-8); border-color: var(--spk-8); }

.results-toolbar {
  display: flex; align-items: center; justify-content: space-between;
  gap: 12px; padding: 12px 0; flex-wrap: wrap;
}
.results-toolbar-left { display: flex; align-items: center; gap: 8px; }
.results-toolbar-right { display: flex; align-items: center; gap: 8px; }

.download-wrap { position: relative; display: inline-flex; }
.download-menu {
  position: absolute; right: 0; top: calc(100% + 4px);
  background: var(--white); border: 1px solid var(--gray-200);
  border-radius: var(--radius-sm); box-shadow: var(--shadow-md);
  min-width: 120px; z-index: 50; opacity: 0; visibility: hidden;
  transform: translateY(-4px); transition: opacity .15s, transform .15s, visibility .15s;
}
.download-menu.open { opacity: 1; visibility: visible; transform: translateY(0); }
.download-menu button {
  display: block; width: 100%; padding: 8px 16px;
  font-size: 13px; color: var(--gray-700); background: none;
  border: none; text-align: left; cursor: pointer; transition: background .15s;
}
.download-menu button:first-child { border-radius: var(--radius-sm) var(--radius-sm) 0 0; }
.download-menu button:last-child { border-radius: 0 0 var(--radius-sm) var(--radius-sm); }
.download-menu button:hover { background: var(--gray-50); color: var(--purple-600); }

.btn-download { padding: 10px 20px; }

/* ===== Search Bar ===== */
.search-bar {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 14px; margin: 0;
  background: var(--gray-50); border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  max-height: 60px; opacity: 1; overflow: hidden;
  transition: max-height .3s ease, opacity .25s ease, padding .3s ease, margin .3s ease, border-color .2s;
}
.search-bar.search-hidden { max-height: 0; opacity: 0; padding: 0 14px; margin: 0; border-color: transparent; }
.search-bar:focus-within { border-color: var(--purple-400); background: var(--white); }
.search-icon { color: var(--gray-400); font-size: 14px; flex-shrink: 0; }
.search-input {
  flex: 1; border: none; background: none; padding: 0;
  font-size: 14px; color: var(--gray-700);
}
.search-input::placeholder { color: var(--gray-400); }

/* ===== Scrollable transcript area ===== */
.transcript-scroll {
  flex: 1; overflow-y: auto; padding: 8px 0 16px;
  min-height: 0;
}

/* ===== Transcript Segments ===== */
.transcript-segments { display: flex; flex-direction: column; gap: 4px; }
.transcript-seg {
  padding: 12px 16px; border-radius: var(--radius-md);
  transition: background .2s; cursor: pointer;
}
.transcript-seg:hover { background: var(--gray-50); }
.transcript-seg.active { background: var(--purple-50); }
.transcript-seg.search-match { background: #fefce8; }
.seg-header { display: flex; align-items: center; gap: 8px; margin-bottom: 4px; }
.seg-speaker {
  font-size: 12px; font-weight: 600; padding: 1px 8px;
  border-radius: 4px; color: var(--white);
  display: inline-flex; align-items: center; gap: 4px;
}
.seg-speaker i { font-size: 10px; }
.seg-speaker.spk-1 { background: var(--spk-1); }
.seg-speaker.spk-2 { background: var(--spk-2); }
.seg-speaker.spk-3 { background: var(--spk-3); }
.seg-speaker.spk-4 { background: var(--spk-4); }
.seg-speaker.spk-5 { background: var(--spk-5); }
.seg-speaker.spk-6 { background: var(--spk-6); }
.seg-speaker.spk-7 { background: var(--spk-7); }
.seg-speaker.spk-8 { background: var(--spk-8); }
.seg-time { font-size: 12px; color: var(--gray-400); font-weight: 400; }
.seg-text { font-size: 14px; line-height: 1.7; color: var(--gray-700); }
.seg-text .search-highlight, .seg-text .search-hl { background: #fde047; border-radius: 2px; padding: 0 1px; }

/* ===== Waveform ===== */
.waveform-bar {
  flex-shrink: 0;
  padding: 12px 16px 8px;
  background: var(--white); border-top: 1px solid var(--gray-200);
  transition: all .3s; z-index: 50;
  overflow: hidden;
}
.waveform-bar.collapsed {
  padding: 0; border: none;
  height: 0; margin: 0; opacity: 0; pointer-events: none;
}
.waveform-controls { display: flex; align-items: center; gap: 10px; margin-bottom: 8px; }
.waveform-toggle-btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 6px 14px; font-size: 12px; font-weight: 500;
  color: var(--gray-500); background: var(--white);
  border: 1px solid var(--gray-200); border-radius: 6px;
  cursor: pointer; transition: .2s;
}
.waveform-toggle-btn:hover { color: var(--purple-600); border-color: var(--purple-300); }
.waveform-show-bar {
  display: none; flex-shrink: 0;
  padding: 10px 16px;
  background: var(--white); border-top: 1px solid var(--gray-200);
  text-align: center;
}
.waveform-show-bar.visible { display: block; }
.waveform-show-btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 7px 18px; font-size: 12px; font-weight: 500;
  color: var(--gray-500); background: var(--white);
  border: 1px solid var(--gray-200); border-radius: 6px;
  cursor: pointer; transition: .2s;
}
.waveform-show-btn:hover { color: var(--purple-600); border-color: var(--purple-300); }

.btn-play {
  width: 32px; height: 32px; background: var(--white);
  border: 1.5px solid var(--gray-200); border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; color: var(--gray-600); font-size: 12px; transition: .2s;
}
.btn-play:hover { border-color: var(--purple-300); color: var(--purple-600); }

.speed-wrap { position: relative; }
.speed-btn {
  padding: 4px 10px; font-size: 12px; font-weight: 500;
  background: var(--white); border: 1px solid var(--gray-200);
  border-radius: 4px; cursor: pointer; color: var(--gray-600);
  transition: .2s;
}
.speed-btn:hover { border-color: var(--purple-300); color: var(--purple-600); }
.speed-menu {
  position: absolute; bottom: calc(100% + 4px); left: 50%; transform: translateX(-50%);
  background: var(--white); border: 1px solid var(--gray-200);
  border-radius: var(--radius-sm); box-shadow: var(--shadow-md);
  z-index: 60; opacity: 0; visibility: hidden;
  transition: opacity .15s, visibility .15s;
}
.speed-menu.open { opacity: 1; visibility: visible; }
.speed-menu button {
  display: block; width: 100%; padding: 6px 16px;
  font-size: 12px; color: var(--gray-600); background: none;
  border: none; cursor: pointer; white-space: nowrap; transition: .15s;
}
.speed-menu button:hover { background: var(--gray-50); color: var(--purple-600); }
.speed-menu button.active { color: var(--purple-600); font-weight: 600; }

.waveform-outer {
  width: 100%; overflow-x: auto; overflow-y: hidden;
  border-radius: 6px; background: var(--gray-50);
}
.waveform-outer::-webkit-scrollbar { height: 4px; }
.waveform-outer::-webkit-scrollbar-thumb { background: var(--gray-300); border-radius: 2px; }
.waveform-wrap {
  position: relative; min-width: 100%; height: 80px;
  cursor: pointer;
}
.waveform-canvas { display: block; height: 80px; min-width: 100%; }
.waveform-playhead {
  position: absolute; top: 0; left: 0; width: 2px; height: 100%;
  background: var(--gray-800); pointer-events: none; z-index: 2;
  will-change: transform;
}
.waveform-ticks {
  position: relative; min-width: 100%; height: 18px;
  user-select: none; margin-top: 2px;
}
.waveform-tick {
  position: absolute; bottom: 0; font-size: 10px; color: var(--gray-400);
  transform: translateX(-50%); white-space: nowrap; line-height: 1;
}
.waveform-tick::before {
  content: ''; position: absolute; left: 50%; top: -4px;
  width: 1px; height: 4px; background: var(--gray-300);
}
.waveform-time-row {
  display: flex; justify-content: space-between;
  font-size: 11px; color: var(--gray-400); margin-top: 4px;
}

.zoom-controls { display: flex; align-items: center; gap: 4px; margin-left: auto; }
.zoom-controls button {
  width: 24px; height: 24px; background: var(--white);
  border: 1px solid var(--gray-200); border-radius: 4px;
  cursor: pointer; font-size: 11px; color: var(--gray-500);
  display: flex; align-items: center; justify-content: center; transition: .2s;
}
.zoom-controls button:hover { border-color: var(--purple-300); color: var(--purple-600); }
.zoom-controls input[type="range"] { width: 80px; height: 4px; accent-color: var(--purple-500); }

/* ===== Loading Overlay ===== */
.loading-overlay {
  display: none; position: fixed; inset: 0;
  background: rgba(255,255,255,.92); backdrop-filter: blur(8px);
  z-index: 1100; align-items: center; justify-content: center;
}
.loading-overlay.active { display: flex; }
.loading-content { text-align: center; }
.loading-content h3 { font-size: 18px; font-weight: 600; color: var(--gray-800); margin: 20px 0 8px; }
.loading-hint { font-size: 13px; color: var(--gray-400); margin-bottom: 20px; }
.spinner-large {
  width: 48px; height: 48px; margin: 0 auto;
  border: 4px solid var(--purple-100); border-top-color: var(--purple-500);
  border-radius: 50%; animation: spin .8s linear infinite;
}

/* ===== Realtime UI ===== */
.rt-toolbar {
  display: flex; align-items: center; justify-content: flex-end;
  gap: 8px; padding: 0 0 16px; border-bottom: 1px solid var(--gray-200);
  margin-bottom: 16px;
}
.rt-recording-view { min-height: 300px; }
.rt-placeholder {
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  min-height: 300px; gap: 12px; color: var(--gray-400);
}
.rt-placeholder-icon { font-size: 28px; color: var(--gray-300); }
.rt-placeholder p { font-size: 14px; }
.rt-result-text {
  font-size: 16px; line-height: 2; color: var(--gray-700);
  white-space: pre-wrap; word-break: break-word;
  position: relative;
}

.rt-confirmed {
  color: var(--gray-800); font-weight: 400;
}

.rt-just-confirmed {
  animation: rt-confirm-in .5s ease forwards;
}
@keyframes rt-confirm-in {
  0% { color: var(--purple-400); }
  100% { color: var(--gray-800); }
}

.rt-provisional {
  color: var(--purple-400); font-weight: 400;
  opacity: .78;
  border-bottom: 1.5px dotted var(--purple-300);
  padding-bottom: 1px;
}

.rt-prov-new {
  animation: rt-prov-appear .28s ease-out forwards;
}
@keyframes rt-prov-appear {
  0% { opacity: 0; transform: translateY(2px); }
  100% { opacity: .78; transform: translateY(0); }
}

.rt-live-bar {
  display: flex; align-items: center; gap: 12px;
  padding: 8px 0 4px;
  font-size: 12px; color: var(--gray-400);
  user-select: none;
}
.rt-live-pill {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 3px 10px; border-radius: 20px;
  background: rgba(239,68,68,.08);
  color: #ef4444; font-weight: 600; font-size: 11px;
  letter-spacing: .3px;
}
.rt-live-pill .rt-live-dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: #ef4444;
  animation: rec-pulse 1.2s ease-in-out infinite;
}
.spinner {
  width: 32px; height: 32px;
  border: 3px solid var(--purple-100); border-top-color: var(--purple-500);
  border-radius: 50%; animation: spin .8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.rt-connecting-indicator {
  display: flex; align-items: center; gap: 12px;
  font-size: 15px; color: var(--gray-400); font-weight: 500;
}
.rt-connecting-indicator .spinner {
  width: 24px; height: 24px;
  border-width: 2.5px;
}

.rt-recording-indicator {
  display: flex; align-items: center; gap: 10px;
  font-size: 15px; color: var(--gray-500); font-weight: 500;
}
.rt-rec-dot {
  width: 12px; height: 12px; border-radius: 50%;
  background: #ef4444; animation: rec-pulse 1.2s ease-in-out infinite;
  flex-shrink: 0;
}
@keyframes rec-pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: .4; transform: scale(.85); }
}

.rt-cursor {
  display: inline-block; width: 2px; height: 1.15em;
  background: var(--purple-500); margin-left: 1px;
  vertical-align: text-bottom;
  border-radius: 1px;
  animation: blink-cursor 1s ease-in-out infinite;
}
@keyframes blink-cursor {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

.rt-transcript-card {
  min-height: 360px; max-height: 60vh; padding: 24px;
  background: var(--white); border: 1px solid var(--gray-200);
  border-radius: var(--radius-md); overflow-y: auto;
  scroll-behavior: smooth;
}

/* ===== Footer, Toast, Overlay ===== */
.footer { text-align: center; padding: 24px; border-top: 1px solid var(--gray-100); }
.footer-link {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 13px; color: var(--gray-400); padding: 8px 16px;
  border: 1px solid var(--gray-200); border-radius: 20px; transition: all .2s;
}
.footer-link:hover { color: var(--purple-600); border-color: var(--purple-300); background: var(--purple-50); }
.footer-sub { font-size: 11px; color: var(--gray-400); margin-top: 8px; }

#toast {
  position: fixed; top: 20px; left: 50%; transform: translateX(-50%);
  z-index: 9999; pointer-events: none; transition: opacity .3s;
}
.toast-msg {
  background: var(--purple-700); color: var(--white);
  padding: 10px 20px; border-radius: var(--radius-md);
  font-size: 13px; font-weight: 500; box-shadow: 0 4px 12px rgba(0,0,0,.15);
  pointer-events: auto; display: flex; align-items: center; gap: 8px;
}
.toast-msg.error { background: var(--red-600); }
.toast-msg.success { background: var(--green-500); }

.overlay { display: none; position: fixed; inset: 0; z-index: 90; background: transparent; }
.overlay.active { display: block; }
@media (max-width: 768px) {
  .overlay.active { background: rgba(0,0,0,.3); }
}
.hidden { display: none !important; }

/* ===== Responsive ===== */
@media (max-width: 768px) {
  .main { padding: 24px 16px 60px; }
  .results-toolbar { flex-direction: column; align-items: stretch; }
  .results-toolbar-left, .results-toolbar-right { justify-content: center; flex-wrap: wrap; }
  .results-file-bar { flex-direction: column; align-items: flex-start; gap: 8px; }
  .settings-panel {
    position: fixed; top: auto; bottom: 0; left: 0; right: 0;
    width: 100%; max-height: 80vh;
    border-radius: 16px 16px 0 0;
    box-shadow: 0 -4px 30px rgba(0,0,0,.15);
    transform: translateY(100%);
    z-index: 1050;
  }
  .settings-panel.open { transform: translateY(0); }
  .waveform-controls { flex-wrap: wrap; }
  .zoom-controls { margin-left: 0; }
  .s-row { flex-wrap: wrap; }
  .s-model-btn, .lang-picker-btn { max-width: 100%; }
  .realtime-actions { flex-wrap: wrap; }
}

@media (max-width: 480px) {
  .header { padding: 0 12px; }
  .header-r .h-link span { display: none; }
  .hero { padding: 12px 12px 0; }
  .main { padding: 16px 12px 60px; }
  .tab-bar { margin-bottom: 20px; }
  .tab-btn { padding: 9px 14px; font-size: 13px; }
  .upload-zone { padding: 32px 16px; }
  .upload-actions { flex-direction: column; }
  .btn-primary, .btn-secondary { width: 100%; justify-content: center; }
  .realtime-zone { padding: 32px 16px; }
  .realtime-zone h2 { font-size: 18px; }
  .search-bar { padding: 8px 12px; }
  .waveform-wrap { height: 56px; }
  .waveform-canvas { height: 56px; }
  .waveform-controls { gap: 6px; padding: 8px 10px; }
  .s-toggle-group button { padding: 5px 10px; font-size: 12px; }
}