:root {
  color-scheme: dark;
  --bg: #1a120f;
  --bg-2: #241713;
  --panel: #2a1c17;
  --text: #f1e6d8;
  --muted: #ab8f76;
  --active: #ffb347;
  --accent: #e2984a;
  --accent-deep: #b5541f;
  --border: #4a352a;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  min-height: 100%;
}

body {
  background:
    radial-gradient(1200px 500px at 50% -10%, #3a2118 0%, transparent 60%),
    var(--bg);
  color: var(--text);
  font-family: -apple-system, "Segoe UI", Roboto, sans-serif;
}

h1, .brand {
  font-family: Georgia, "Palatino Linotype", serif;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.muted { color: var(--muted); }

/* Nav */
.topnav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 28px;
  border-bottom: 1px solid var(--border);
  border-image: linear-gradient(90deg, transparent, var(--accent), transparent) 1;
  position: sticky;
  top: 0;
  background: var(--bg);
  z-index: 20;
}

.nav-left {
  display: flex;
  align-items: center;
  gap: 10px;
}

.brand {
  font-weight: 700;
  color: var(--text);
  font-size: 1.1rem;
}

.brand-mark {
  color: var(--active);
  margin-right: 4px;
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 18px;
  font-size: 0.9rem;
}

.nav-user {
  color: var(--muted);
}

.hamburger-btn {
  display: none;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
  padding: 6px 10px;
  border-radius: 6px;
  font-size: 1.1rem;
  line-height: 1;
  cursor: pointer;
}

.sidebar-backdrop {
  display: none;
}

/* App shell: sidebar + main */
.app-shell {
  display: flex;
  align-items: stretch;
  min-height: calc(100vh - 53px); /* topnav height */
}

.sidebar {
  width: 260px;
  flex: none;
  border-right: 1px solid var(--border);
  background: var(--bg-2);
  padding: 16px 12px;
  overflow-y: auto;
  position: sticky;
  top: 53px;
  height: calc(100vh - 53px);
}

.new-clip-btn {
  display: block;
  text-align: center;
  padding: 9px 12px;
  margin-bottom: 14px;
  border-radius: 8px;
  background: linear-gradient(180deg, var(--accent), var(--accent-deep));
  color: #201008;
  font-weight: 700;
  font-size: 0.85rem;
}

.new-clip-btn:hover {
  text-decoration: none;
  filter: brightness(1.05);
}

.sidebar-date-group {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--muted);
  padding: 12px 8px 4px;
}

.sidebar-clip {
  display: block;
  padding: 8px 8px;
  border-radius: 6px;
  color: var(--text);
  font-size: 0.85rem;
}

.sidebar-clip:hover {
  background: var(--panel);
  text-decoration: none;
}

.sidebar-clip.active {
  background: var(--panel);
  border-left: 2px solid var(--active);
}

.sidebar-clip-title {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sidebar-clip-meta {
  font-size: 0.72rem;
  color: var(--muted);
}

.sidebar-empty {
  padding: 8px;
  font-size: 0.85rem;
}

/* Main content area */
.app-main {
  flex: 1;
  min-width: 0;
  width: 100%;
  padding: 28px 40px 80px;
}

.app-main.main-fullpage {
  padding: 0;
  display: flex;
  flex-direction: column;
}

.clip-summary-preview {
  font-size: 0.8rem;
  color: var(--muted);
  margin: 4px 0;
}

h1 {
  font-size: 1.3rem;
  font-weight: 600;
  margin: 0 0 20px;
}

/* Tags */
.tag-filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: -8px 0 20px;
}

.tag-pill {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--panel);
  color: var(--muted);
  font-size: 0.8rem;
}

.tag-pill:hover {
  border-color: var(--accent);
  color: var(--text);
  text-decoration: none;
}

.tag-pill.active {
  border-color: var(--active);
  color: var(--active);
}

.clip-tags {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  margin-top: 8px;
}

.tag-pill-wrap {
  display: inline-flex;
  align-items: center;
  gap: 2px;
}

.tag-remove-btn {
  background: transparent;
  border: none;
  color: var(--muted);
  font-size: 1rem;
  line-height: 1;
  padding: 0 2px;
  cursor: pointer;
}

.tag-remove-btn:hover {
  color: var(--active);
}

.tag-add-input {
  border: 1px dashed var(--border);
  background: transparent;
  color: var(--text);
  border-radius: 999px;
  padding: 4px 10px;
  font-size: 0.8rem;
  width: 100px;
}

/* Library grid */
.clip-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
}

.clip-card {
  display: block;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px;
  color: var(--text);
}

.clip-card:hover {
  border-color: var(--accent);
  text-decoration: none;
}

.clip-name {
  font-weight: 600;
  margin-bottom: 6px;
  word-break: break-word;
}

.clip-meta {
  font-size: 0.85rem;
  color: var(--muted);
}

/* Tabs (upload page: Speech->Text / Text->Speech) */
.tabs {
  display: flex;
  gap: 4px;
  margin-bottom: 20px;
  border-bottom: 1px solid var(--border);
}

.tab-btn {
  background: transparent;
  border: none;
  border-radius: 0;
  color: var(--muted);
  font-weight: 600;
  padding: 10px 16px;
  border-bottom: 2px solid transparent;
}

.tab-btn.active {
  color: var(--active);
  border-bottom-color: var(--active);
}

.tab-panel textarea {
  width: 100%;
  padding: 8px 10px;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--bg-2);
  color: var(--text);
  font: inherit;
  resize: vertical;
}

#tts-review-audio {
  display: block;
  width: 100%;
  max-width: 700px;
  margin-top: 6px;
}

/* Upload form */
.upload-form-grid {
  display: flex;
  flex-direction: column;
  gap: 16px;
  background: var(--panel);
  padding: 20px;
  border-radius: 10px;
  max-width: 700px;
}

.upload-form-grid label {
  display: block;
  font-size: 0.8rem;
  color: var(--muted);
  margin-bottom: 6px;
}

input[type="file"] {
  width: 100%;
  color: var(--text);
}

.model-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 10px;
}

.model-card {
  display: block;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 12px;
  cursor: pointer;
  background: var(--bg-2);
}

.model-card:has(input:checked) {
  border-color: var(--active);
  background: var(--panel);
}

.model-card.disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.model-card input {
  margin-right: 6px;
}

.model-card-name {
  font-weight: 600;
  font-size: 0.9rem;
}

.model-card-desc {
  font-size: 0.78rem;
  color: var(--muted);
  margin-top: 2px;
}

/* Upload review step */
.review-grid {
  display: flex;
  flex-direction: column;
  gap: 14px;
  max-width: 700px;
  margin: 16px 0;
}

.review-grid label {
  display: block;
  font-size: 0.8rem;
  color: var(--muted);
  margin-bottom: 6px;
}

.review-grid input, .review-grid textarea {
  width: 100%;
  padding: 8px 10px;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--bg-2);
  color: var(--text);
  font: inherit;
}

.review-transcript {
  max-width: 900px;
  max-height: 300px;
  overflow-y: auto;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 14px;
  margin-top: 6px;
  line-height: 1.8;
  white-space: pre-wrap;
}

.btnrow {
  display: flex;
  gap: 10px;
  align-items: center;
  margin-top: 14px;
  flex-wrap: wrap;
}

.meta-language-label {
  color: var(--muted);
  font-size: 0.9em;
}

.ghost-btn {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
}

select, button {
  padding: 8px 12px;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--bg-2);
  color: var(--text);
  font-size: 0.9rem;
}

button {
  background: linear-gradient(180deg, var(--accent), var(--accent-deep));
  border: none;
  color: #201008;
  cursor: pointer;
  font-weight: 700;
}

button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

#status {
  margin-top: 12px;
}

/* Clip player page (full page layout) */
#control-bar {
  position: sticky;
  top: 0;
  z-index: 10;
  background: var(--bg);
  padding: 20px 40px 16px;
  border-bottom: 1px solid var(--border);
  box-shadow: 0 8px 16px -8px rgba(0, 0, 0, 0.6);
}

.control-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  flex-wrap: wrap;
}

.control-top h1 {
  margin: 0 0 4px;
}

.clip-actions {
  display: flex;
  gap: 8px;
  align-items: center;
  flex: none;
}

.clip-summary {
  color: var(--text);
  font-size: 0.9rem;
  max-width: 70ch;
  margin: 0 0 6px;
}

.clip-edit-form {
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-width: 500px;
  margin: 20px 40px;
  padding: 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--panel);
}

.clip-edit-form label {
  display: block;
  font-size: 0.8rem;
  color: var(--muted);
  margin-bottom: 4px;
}

.clip-edit-form input, .clip-edit-form textarea {
  width: 100%;
  padding: 8px 10px;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--bg-2);
  color: var(--text);
  font: inherit;
}

.danger-btn {
  border-color: #a33;
  color: #e88;
}

.danger-btn:hover {
  background: #a33;
  color: #fff;
}

.control-row {
  margin: 8px 0;
}

audio {
  width: 100%;
  margin-top: 4px;
}

#lyrics {
  font-size: 1.5rem;
  line-height: 2.3;
  flex: 1;
  padding: 28px 40px 80px;
  overflow-y: auto;
}

.word {
  color: var(--muted);
  transition: color 0.15s ease, transform 0.15s ease;
  display: inline-block;
  margin: 0 2px;
}

.word.active {
  color: var(--active);
  transform: scale(1.08);
  font-weight: 700;
}

.word.done {
  color: #9aa3b2;
}

/* Admin users table */
.user-table {
  width: 100%;
  max-width: 900px;
  border-collapse: collapse;
}

.user-table th, .user-table td {
  text-align: left;
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
}

.user-table th {
  color: var(--muted);
  font-weight: 600;
  font-size: 0.85rem;
}

/* Responsive */
@media (max-width: 880px) {
  .hamburger-btn {
    display: inline-flex;
  }

  .topnav {
    padding: 12px 16px;
  }

  .nav-right {
    gap: 10px;
    font-size: 0.85rem;
  }

  .nav-user {
    max-width: 100px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .app-shell {
    position: relative;
  }

  .sidebar {
    position: fixed;
    top: 53px;
    left: 0;
    width: 260px;
    max-width: 82vw;
    height: calc(100vh - 53px);
    transform: translateX(-100%);
    transition: transform 0.2s ease;
    z-index: 30;
    box-shadow: 8px 0 24px rgba(0, 0, 0, 0.4);
  }

  .sidebar.open {
    transform: translateX(0);
  }

  .sidebar-backdrop {
    display: block;
    position: fixed;
    inset: 53px 0 0 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 25;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease;
  }

  .sidebar-backdrop.visible {
    opacity: 1;
    pointer-events: auto;
  }

  .app-main {
    padding: 20px 16px 60px;
  }

  #control-bar {
    padding: 14px 16px 12px;
  }

  #lyrics {
    padding: 20px 16px 60px;
    font-size: 1.15rem;
    line-height: 2;
  }

  .clip-grid {
    grid-template-columns: 1fr;
  }

  .model-cards {
    grid-template-columns: 1fr;
  }

  .user-table {
    display: block;
    overflow-x: auto;
    white-space: nowrap;
  }

  .upload-form-grid,
  .review-grid {
    padding: 16px;
  }
}

@media (max-width: 480px) {
  .brand {
    font-size: 0.95rem;
  }

  h1 {
    font-size: 1.1rem;
  }

  .control-top {
    flex-direction: column;
    align-items: stretch;
  }

  .clip-actions button {
    width: 100%;
  }

  select, button {
    font-size: 1rem;
    padding: 10px 12px;
  }

  #lyrics {
    font-size: 1.05rem;
  }
}