/* LetsScribe v3 — Waveform dark theme */

:root {
  --bg-deep: #0D1117;
  --bg-surface: #161B22;
  --bg-elevated: #1C2128;
  --bg-hover: #21262D;
  --border: #30363D;
  --border-subtle: #21262D;
  --teal: #00D4AA;
  --teal-dim: #00B894;
  --teal-glow: rgba(0, 212, 170, 0.2);
  --teal-subtle: rgba(0, 212, 170, 0.1);
  --orange: #FF6B35;
  --text: #E6EDF3;
  --text-muted: #8B949E;
  --text-dim: #8B949E;
  --success: #3FB950;
  --error: #F85149;
  --radius: 10px;
  --radius-lg: 14px;
  --radius-xl: 20px;
  --sidebar-width: 280px;
  --font-ui: 'Sora', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, monospace;
  --shadow-glow: 0 0 24px var(--teal-glow);
  --shadow-panel: 0 -8px 32px rgba(0, 0, 0, 0.4);
  --result-panel-height: min(42vh, 420px);
}

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

html {
  scroll-behavior: smooth;
  color-scheme: dark;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

body {
  font-family: var(--font-ui);
  background: var(--bg-deep);
  color: var(--text);
  line-height: 1.6;
  font-size: 1rem;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  touch-action: manipulation;
}

/* Waveform hero band */

.waveform-hero {
  display: flex;
  align-items: flex-end;
  justify-content: center;
  gap: 3px;
  height: 48px;
  padding: 0 2rem;
  margin: -1.5rem -1.5rem 2rem;
  background: linear-gradient(180deg, var(--bg-elevated) 0%, transparent 100%);
  border-bottom: 1px solid var(--border-subtle);
  overflow: hidden;
}

@media (min-width: 1024px) {
  .waveform-hero {
    margin: -3rem -3rem 2.5rem;
    height: 56px;
  }
}

.waveform-hero span {
  display: block;
  width: 4px;
  border-radius: 2px;
  background: var(--teal);
  opacity: 0.35;
  animation: hero-wave 2.4s ease-in-out infinite;
}

.waveform-hero span:nth-child(1)  { animation-delay: 0s;    height: 12px; }
.waveform-hero span:nth-child(2)  { animation-delay: 0.12s; height: 20px; }
.waveform-hero span:nth-child(3)  { animation-delay: 0.24s; height: 32px; }
.waveform-hero span:nth-child(4)  { animation-delay: 0.08s; height: 18px; }
.waveform-hero span:nth-child(5)  { animation-delay: 0.36s; height: 40px; }
.waveform-hero span:nth-child(6)  { animation-delay: 0.16s; height: 28px; }
.waveform-hero span:nth-child(7)  { animation-delay: 0.44s; height: 44px; opacity: 0.55; }
.waveform-hero span:nth-child(8)  { animation-delay: 0.2s;  height: 24px; }
.waveform-hero span:nth-child(9)  { animation-delay: 0.52s; height: 36px; }
.waveform-hero span:nth-child(10) { animation-delay: 0.28s; height: 16px; }
.waveform-hero span:nth-child(11) { animation-delay: 0.4s;  height: 30px; }
.waveform-hero span:nth-child(12) { animation-delay: 0.04s; height: 22px; }
.waveform-hero span:nth-child(13) { animation-delay: 0.48s; height: 38px; opacity: 0.5; }
.waveform-hero span:nth-child(14) { animation-delay: 0.32s; height: 14px; }
.waveform-hero span:nth-child(15) { animation-delay: 0.56s; height: 26px; }
.waveform-hero span:nth-child(16) { animation-delay: 0.1s;  height: 34px; }
.waveform-hero span:nth-child(17) { animation-delay: 0.6s;  height: 20px; }
.waveform-hero span:nth-child(18) { animation-delay: 0.2s;  height: 42px; opacity: 0.45; }
.waveform-hero span:nth-child(19) { animation-delay: 0.36s; height: 18px; }
.waveform-hero span:nth-child(20) { animation-delay: 0.48s; height: 30px; }

@keyframes hero-wave {
  0%, 100% { transform: scaleY(0.5); opacity: 0.25; }
  50% { transform: scaleY(1); opacity: 0.6; }
}

/* Layout */

.app-layout {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

@media (min-width: 1024px) {
  .app-layout { flex-direction: row; }
}

/* Sidebar */

.sidebar {
  width: 100%;
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border);
  padding: 1.5rem 1.75rem;
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  z-index: 20;
}

.sidebar-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.auth-toggle {
  display: none;
  position: relative;
  flex-shrink: 0;
  border: 1px solid var(--border);
  background: var(--bg-elevated);
}

.auth-toggle[aria-expanded="true"] {
  color: var(--teal);
  border-color: var(--teal);
  background: var(--teal-subtle);
}

.auth-toggle.has-key::after {
  content: '';
  position: absolute;
  top: 8px;
  right: 8px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--teal);
  box-shadow: 0 0 6px var(--teal-glow);
}

@media (max-width: 1023px) {
  .sidebar {
    position: sticky;
    top: 0;
    padding: max(0.75rem, env(safe-area-inset-top)) 1rem 0.75rem;
  }

  .btn-icon.auth-toggle { display: inline-flex; }

  .sidebar-top { margin-bottom: 0.75rem; }

  .sidebar-brand {
    margin-bottom: 0;
    gap: 0.625rem;
    min-width: 0;
  }

  .logo-mark {
    width: 36px;
    height: 36px;
    font-size: 1.125rem;
  }

  .logo-badge {
    width: 16px;
    height: 16px;
    right: -3px;
    bottom: -3px;
  }

  .logo-badge svg { width: 10px; height: 10px; }

  .brand-title {
    font-size: 1rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .sidebar-nav {
    margin-bottom: 0;
    gap: 0.375rem;
  }

  .nav-link {
    flex: 1;
    justify-content: center;
    padding: 0.625rem 0.5rem;
    font-size: 0.875rem;
    gap: 0.5rem;
  }

  .nav-link svg {
    width: 18px;
    height: 18px;
  }

  .sidebar-auth {
    margin-top: 0;
    padding-top: 0;
    border-top: none;
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    pointer-events: none;
    transition: max-height 0.25s ease, opacity 0.2s ease, margin 0.25s ease, padding 0.25s ease;
  }

  .sidebar-auth.is-open {
    margin-top: 0.75rem;
    padding-top: 0.75rem;
    border-top: 1px solid var(--border-subtle);
    max-height: none;
    overflow: visible;
    opacity: 1;
    pointer-events: auto;
  }

  .sidebar-footer { display: none; }

  .waveform-hero {
    height: 32px;
    margin: -1rem -1rem 1.25rem;
    padding: 0 1rem;
    order: 0;
  }

  .main-inner { padding: 1rem; }

  .page-heading { margin-bottom: 1.25rem; }

  .page-heading h2 {
    font-size: clamp(1.5rem, 5vw, 1.75rem);
  }

  .page-heading p { font-size: 0.9375rem; }

  .drop-zone {
    min-height: 240px;
    padding: 2rem 1.25rem;
  }

  .drop-zone-icon {
    width: 72px;
    height: 72px;
    margin-bottom: 1rem;
  }

  .drop-zone-icon svg {
    width: 36px;
    height: 36px;
  }

  .drop-zone h3 { font-size: 1.125rem; }

  .page-heading { order: 1; }

  .settings-bar {
    order: 2;
    margin-bottom: 1rem;
    padding: 1rem;
  }

  .upload-section {
    order: 3;
    margin-bottom: 1rem;
  }
}

@media (min-width: 1024px) {
  .sidebar {
    width: var(--sidebar-width);
    min-height: 100vh;
    border-bottom: none;
    border-right: 1px solid var(--border);
    padding: 2rem 1.5rem;
  }

  .sidebar-top { margin-bottom: 2.5rem; }

  .sidebar-brand { margin-bottom: 0; }
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 0.875rem;
  margin-bottom: 0;
  min-width: 0;
}

.logo-icon { position: relative; flex-shrink: 0; }

.logo-mark {
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, var(--teal) 0%, var(--teal-dim) 100%);
  border-radius: var(--radius-lg);
  display: grid;
  place-items: center;
  color: var(--bg-deep);
  font-family: var(--font-ui);
  font-size: 1.375rem;
  font-weight: 700;
  font-style: italic;
  letter-spacing: -0.04em;
  box-shadow: var(--shadow-glow);
}

.logo-badge {
  position: absolute;
  right: -4px;
  bottom: -4px;
  width: 18px;
  height: 18px;
  background: var(--bg-surface);
  border-radius: 50%;
  display: grid;
  place-items: center;
  border: 2px solid var(--bg-surface);
}

.logo-badge svg { width: 12px; height: 12px; color: var(--teal); }

.brand-title {
  font-family: var(--font-ui);
  font-size: 1.125rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--text);
}

.sidebar-nav {
  display: flex;
  flex-direction: row;
  gap: 0.25rem;
  margin-bottom: 1.5rem;
}

@media (min-width: 1024px) {
  .sidebar-nav {
    flex-direction: column;
    gap: 0.25rem;
    margin-bottom: auto;
  }
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  border-radius: var(--radius);
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.15s, background 0.15s;
}

.nav-link svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

.nav-link:hover {
  color: var(--text);
  background: var(--bg-hover);
}

.nav-link.active {
  color: var(--teal);
  background: var(--teal-subtle);
  font-weight: 600;
}

.sidebar-auth {
  margin-top: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-subtle);
}

@media (min-width: 1024px) {
  .sidebar-auth { margin-top: 2rem; }
}

.section-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 0.75rem;
}

.sidebar-auth .field-wrap { margin-bottom: 0.75rem; }

.sidebar-footer {
  margin-top: 2rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-dim);
}

/* Main */

.main-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  position: relative;
  overflow-y: auto;
  background: var(--bg-deep);
}

@media (min-width: 1024px) {
  .main-content { height: 100vh; }

  .main-content:has(.result-panel) {
    flex-direction: row;
    overflow: hidden;
  }

  .main-inner.has-result-panel {
    flex: 1;
    min-width: 0;
    min-height: 0;
    max-width: none;
    margin: 0;
    padding: 1.25rem 1.75rem;
    padding-bottom: 1.25rem;
    overflow: hidden;
  }

  .main-inner.has-result-panel.panel-collapsed {
    padding-bottom: 1.25rem;
  }

  .main-inner.has-result-panel .waveform-hero { display: none; }

  .main-inner.has-result-panel .page-heading {
    margin-bottom: 0.875rem;
    flex-shrink: 0;
  }

  .main-inner.has-result-panel .page-heading h2 {
    font-size: 1.375rem;
    margin-bottom: 0.25rem;
  }

  .main-inner.has-result-panel .page-heading p {
    font-size: 0.875rem;
    line-height: 1.45;
  }

  .main-inner.has-result-panel .upload-section {
    flex: 1;
    min-height: 0;
    margin-bottom: 0.875rem;
  }

  .main-inner.has-result-panel .drop-zone {
    min-height: 0;
    height: 100%;
    padding: 1.25rem 1rem;
  }

  .main-inner.has-result-panel .drop-zone-icon {
    width: 56px;
    height: 56px;
    margin-bottom: 0.75rem;
  }

  .main-inner.has-result-panel .drop-zone-icon svg {
    width: 28px;
    height: 28px;
  }

  .main-inner.has-result-panel .drop-zone h3 { font-size: 1rem; }
  .main-inner.has-result-panel .drop-zone p { font-size: 0.875rem; }

  .main-inner.has-result-panel .settings-bar {
    flex-shrink: 0;
    margin-bottom: 0;
    padding: 0.875rem 1rem;
  }

  .main-inner.has-result-panel .settings-grid {
    gap: 0.75rem;
  }
}

.main-inner {
  padding: 1.5rem;
  max-width: 68rem;
  margin: 0 auto;
  width: 100%;
  flex: 1;
  display: flex;
  flex-direction: column;
}

@media (min-width: 1024px) {
  .main-inner { padding: 3rem; }
}

.main-inner.has-result-panel {
  padding-bottom: calc(var(--result-panel-height) + 2rem);
  transition: padding-bottom 0.25s ease;
}

.main-inner.has-result-panel.panel-collapsed {
  padding-bottom: calc(56px + 1.5rem);
}

.page-heading { margin-bottom: 1.75rem; }

.page-heading h2 {
  font-family: var(--font-ui);
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  font-weight: 600;
  letter-spacing: -0.03em;
  color: var(--text);
  margin-bottom: 0.5rem;
  text-wrap: balance;
}

.page-heading p {
  font-size: 1.0625rem;
  color: var(--text-muted);
  max-width: 36rem;
}

/* Forms */

.field-wrap { position: relative; }

.field-icon {
  position: absolute;
  left: 0.875rem;
  top: 50%;
  transform: translateY(-50%);
  width: 18px;
  height: 18px;
  color: var(--text-dim);
  pointer-events: none;
}

input[type="text"],
input[type="search"],
input[type="password"],
select {
  width: 100%;
  padding: 0.75rem 1rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-family: var(--font-ui);
  font-size: 0.9375rem;
  transition: border-color 0.15s, box-shadow 0.15s;
}

input.has-icon { padding-left: 2.5rem; }

input::placeholder { color: var(--text-dim); }

input:focus-visible, select:focus-visible {
  outline: none;
  border-color: var(--teal);
  box-shadow: 0 0 0 3px var(--teal-glow);
}

select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%238B949E' stroke-width='2'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  padding-right: 2.25rem;
}

label.field-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 0.5rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-ui);
  font-size: 0.9375rem;
  font-weight: 600;
  border: none;
  border-radius: var(--radius);
  padding: 0.75rem 1.25rem;
  cursor: pointer;
  transition: background 0.15s, transform 0.1s, opacity 0.15s, box-shadow 0.15s;
  text-decoration: none;
}

.btn:active:not(:disabled) { transform: scale(0.98); }
.btn:disabled,
.btn.is-loading { opacity: 0.55; cursor: not-allowed; }

.btn:focus-visible,
.btn-icon:focus-visible,
.auth-toggle:focus-visible,
.nav-link:focus-visible,
.drop-zone:focus-visible,
.history-item:focus-visible {
  outline: 2px solid var(--teal);
  outline-offset: 2px;
}

.btn.is-loading { pointer-events: none; }

.btn-primary {
  background: var(--teal);
  color: var(--bg-deep);
  box-shadow: var(--shadow-glow);
}

.btn-primary:hover:not(:disabled) {
  background: #00E8BB;
  box-shadow: 0 0 32px var(--teal-glow);
}

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

.btn-secondary:hover:not(:disabled) {
  background: var(--teal-subtle);
  border-color: var(--teal);
}

.btn-ghost {
  background: transparent;
  color: var(--teal);
  border: none;
  padding: 0.375rem 0.75rem;
  font-size: 0.875rem;
  font-weight: 600;
}

.btn-ghost:hover { color: #00E8BB; }

.btn-icon {
  background: transparent;
  border: none;
  color: var(--text-muted);
  padding: 0.375rem;
  cursor: pointer;
  border-radius: var(--radius);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 44px;
  min-height: 44px;
}

.btn-icon:hover { color: var(--text); background: var(--bg-hover); }

@media (min-width: 1024px) {
  .btn-icon.auth-toggle { display: none; }
}

.btn-block { width: 100%; }

.btn-sm { padding: 0.625rem 1rem; font-size: 0.875rem; }

@media (max-width: 1023px) {
  .btn-sm {
    min-height: 44px;
  }
}

/* Drop zone */

.upload-section {
  flex: 1;
  display: flex;
  flex-direction: column;
  margin-bottom: 2rem;
}

.drop-zone {
  flex: 1;
  min-height: 320px;
  background: var(--bg-surface);
  border: 2px dashed var(--border);
  border-radius: var(--radius-xl);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  cursor: pointer;
  padding: 3rem 2rem;
  transition: border-color 0.2s, box-shadow 0.2s, background 0.2s;
  position: relative;
  overflow: hidden;
}

.drop-zone::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, var(--teal-subtle) 0%, transparent 70%);
  opacity: 0;
  transition: opacity 0.3s;
}

.drop-zone:hover::before,
.drop-zone.dragover::before { opacity: 1; }

.drop-zone:hover,
.drop-zone.dragover {
  border-color: var(--teal);
  box-shadow: var(--shadow-glow);
}

.drop-zone-icon {
  width: 88px;
  height: 88px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  display: grid;
  place-items: center;
  margin-bottom: 1.5rem;
  transition: background 0.2s, border-color 0.2s;
  position: relative;
  z-index: 1;
}

.drop-zone:hover .drop-zone-icon,
.drop-zone.dragover .drop-zone-icon {
  background: var(--teal-subtle);
  border-color: var(--teal);
}

.drop-zone-icon svg {
  width: 44px;
  height: 44px;
  color: var(--text-muted);
  transition: color 0.2s;
}

.drop-zone:hover .drop-zone-icon svg,
.drop-zone.dragover .drop-zone-icon svg { color: var(--teal); }

.drop-zone h3 {
  font-size: 1.375rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 0.5rem;
  position: relative;
  z-index: 1;
}

.drop-zone p {
  font-size: 1rem;
  color: var(--text-muted);
  position: relative;
  z-index: 1;
}

.drop-zone .hint {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--text-dim);
  margin-top: 0.5rem;
  position: relative;
  z-index: 1;
}

.file-hint {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--teal);
  margin-top: 1rem;
  text-align: center;
}

/* Settings bar */

.settings-bar {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  margin-bottom: 2rem;
}

.settings-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
  align-items: end;
}

@media (min-width: 768px) {
  .settings-grid { grid-template-columns: 1fr 1fr 1fr; }
}

.settings-action {
  display: flex;
  flex-direction: column;
  gap: 0.875rem;
}

.checkbox-row {
  display: flex;
  align-items: center;
  gap: 0.625rem;
}

.checkbox-row input {
  width: 1.125rem;
  height: 1.125rem;
  accent-color: var(--teal);
  cursor: pointer;
}

.checkbox-row label {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-muted);
  cursor: pointer;
}

/* Result panel */

.result-panel {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--bg-surface);
  border-top: 1px solid var(--border);
  box-shadow: var(--shadow-panel);
  z-index: 30;
  transition: transform 0.25s ease;
}

@media (min-width: 1024px) {
  .result-panel {
    position: static;
    left: auto;
    right: auto;
    bottom: auto;
    width: min(42vw, 520px);
    min-width: 300px;
    height: 100vh;
    flex-shrink: 0;
    transform: none !important;
    border-top: none;
    border-left: 1px solid var(--border);
    box-shadow: none;
    display: flex;
    flex-direction: column;
  }

  .result-panel.collapsed {
    transform: none !important;
    width: min(42vw, 520px);
  }

  .result-panel #toggle-panel { display: none; }

  .result-panel-inner {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-height: 0;
    max-width: none;
    margin: 0;
    padding: 1.25rem 1.5rem;
  }

  .result-panel-header { flex-shrink: 0; }

  .result-box {
    flex: 1;
    max-height: none;
    min-height: 0;
  }

  .result-footer { flex-shrink: 0; }

  .progress-panel.active { flex-shrink: 0; }
}

.result-panel.collapsed { transform: translateY(calc(100% - 56px)); }

.result-panel-inner {
  max-width: 68rem;
  margin: 0 auto;
  padding: 1.25rem 1.5rem;
}

@media (min-width: 1024px) {
  .result-panel-inner { padding: 1.5rem 3rem; }
}

.result-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.result-panel-title {
  display: flex;
  align-items: center;
  gap: 0.875rem;
}

.result-panel-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-dim);
}

.result-panel-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.result-panel-actions .btn-ghost {
  min-height: 44px;
  padding: 0.5rem 0.75rem;
}

.result-box {
  max-height: min(28vh, 280px);
  overflow-y: auto;
  overflow-x: hidden;
  padding: 1.25rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 1.0625rem;
  line-height: 1.75;
  white-space: pre-wrap;
  word-break: break-word;
  overflow-wrap: anywhere;
  color: var(--text);
  scrollbar-gutter: stable;
}

.result-box:focus-visible {
  outline: 2px solid var(--teal);
  outline-offset: 2px;
}

.result-box.empty { color: var(--text-dim); font-style: italic; }

.result-footer {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-top: 1rem;
}

.result-file-info {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-dim);
  min-width: 0;
  max-width: 40%;
  flex-shrink: 1;
}

.result-file-info svg { width: 14px; height: 14px; color: var(--teal); }

.progress-track {
  flex: 1;
  height: 6px;
  background: var(--bg-hover);
  border-radius: 99px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--teal-dim), var(--teal));
  border-radius: 99px;
  transition: width 0.35s ease;
  box-shadow: 0 0 8px var(--teal-glow);
}

.progress-stage-text {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  white-space: nowrap;
}

.meta-line {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--text-dim);
  margin-top: 0.75rem;
  font-variant-numeric: tabular-nums;
}

.status {
  font-size: 0.9375rem;
  margin-top: 0.625rem;
}

.status.error { color: var(--error); }
.status.ok { color: var(--success); }

.settings-action .btn + .btn { margin-top: 0.5rem; }

/* Waveform (processing indicator) */

.waveform {
  display: flex;
  align-items: center;
  gap: 3px;
  height: 28px;
}

.waveform span,
.waveform-bar {
  display: block;
  width: 4px;
  border-radius: 2px;
  background: var(--teal);
  animation: wave 1s ease-in-out infinite;
  box-shadow: 0 0 6px var(--teal-glow);
}

.waveform span:nth-child(1), .waveform-bar:nth-child(1) { animation-delay: 0s; height: 10px; }
.waveform span:nth-child(2), .waveform-bar:nth-child(2) { animation-delay: 0.12s; height: 18px; }
.waveform span:nth-child(3), .waveform-bar:nth-child(3) { animation-delay: 0.24s; height: 28px; }
.waveform span:nth-child(4), .waveform-bar:nth-child(4) { animation-delay: 0.16s; height: 16px; }
.waveform span:nth-child(5), .waveform-bar:nth-child(5) { animation-delay: 0.08s; height: 22px; }

.waveform.hidden { visibility: hidden; }

@keyframes wave {
  0%, 100% { transform: scaleY(0.4); opacity: 0.5; }
  50% { transform: scaleY(1); opacity: 1; }
}

.progress-panel { display: none; }
.progress-panel.active { display: block; }

.progress-panel .progress-header {
  display: flex;
  justify-content: space-between;
  margin-bottom: 0.375rem;
}

.progress-panel .progress-stage {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--text-muted);
}

.progress-pct {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--teal);
  font-variant-numeric: tabular-nums;
}

.preview-text { display: none; }

/* History page */

.history-toolbar {
  display: flex;
  gap: 0.625rem;
  margin-bottom: 1.25rem;
}

.history-toolbar input { margin-bottom: 0; flex: 1; }

.history-list {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.history-item {
  padding: 1.125rem 1.5rem;
  border-bottom: 1px solid var(--border-subtle);
  border-left: 3px solid transparent;
  cursor: pointer;
  transition: background 0.15s;
}

.history-item:last-child { border-bottom: none; }

.history-item:hover { background: var(--bg-hover); }
.history-item.selected { background: var(--teal-subtle); border-left-color: var(--teal); }
.history-item:focus-visible {
  outline: 2px solid var(--teal);
  outline-offset: -2px;
}

.history-item-text {
  font-size: 1rem;
  margin-bottom: 0.5rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  line-height: 1.6;
}

.history-item-meta {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-dim);
}

.badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 0.125rem 0.5rem;
  border-radius: 4px;
  background: var(--teal-subtle);
  color: var(--teal);
  margin-right: 0.5rem;
}

.pagination {
  display: flex;
  gap: 0.625rem;
  align-items: center;
  margin-top: 1.25rem;
}

.pagination-info { margin: 0; }

.detail-card .detail-copy-btn { margin-top: 0.75rem; }

@media (min-width: 1024px) {
  .main-inner:not(.has-result-panel) {
    height: 100vh;
    max-width: none;
    margin: 0;
    padding: 1.25rem 1.75rem;
    overflow: hidden;
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    grid-template-rows: auto minmax(0, 1fr);
    column-gap: 1.25rem;
  }

  .main-inner:not(.has-result-panel) .waveform-hero { display: none; }

  .main-inner:not(.has-result-panel) .page-heading {
    grid-column: 1 / -1;
    margin-bottom: 0.875rem;
  }

  .main-inner:not(.has-result-panel) .page-heading h2 { font-size: 1.375rem; }

  .main-inner:not(.has-result-panel) > section[aria-label="Поиск по истории"] {
    grid-column: 1;
    grid-row: 2;
    min-height: 0;
    display: flex;
    flex-direction: column;
  }

  .main-inner:not(.has-result-panel) .history-list {
    flex: 1;
    min-height: 0;
    overflow-y: auto;
  }

  .main-inner:not(.has-result-panel) #detail-card {
    grid-column: 2;
    grid-row: 2;
    margin-top: 0;
    min-height: 0;
    display: flex;
    flex-direction: column;
  }

  .main-inner:not(.has-result-panel) #detail-card.hidden { display: none; }

  .main-inner:not(.has-result-panel) #detail-card .result-box {
    flex: 1;
    max-height: none;
    min-height: 0;
  }

  .main-inner:not(.has-result-panel):not(:has(#detail-card:not(.hidden))) > section[aria-label="Поиск по истории"] {
    grid-column: 1 / -1;
  }
}

.detail-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  margin-top: 1.5rem;
}

.detail-card .result-box {
  max-height: min(50vh, 28rem);
  min-height: 8rem;
  overflow-y: auto;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  padding: 1.25rem;
}

.empty-state {
  text-align: center;
  padding: 3.5rem 1.5rem;
  color: var(--text-muted);
  font-size: 1rem;
}

.empty-state-title {
  font-weight: 600;
  font-size: 1.125rem;
  color: var(--text);
  margin-bottom: 0.5rem;
}

.empty-state-hint {
  font-size: 0.9375rem;
  line-height: 1.6;
  max-width: 28rem;
  margin: 0 auto;
  color: var(--text-dim);
}

.status-retry { margin-top: 0.625rem; }

.history-list[aria-busy="true"] {
  opacity: 0.55;
  pointer-events: none;
}

/* Scrollbar */

.result-box::-webkit-scrollbar,
.main-content::-webkit-scrollbar {
  width: 8px;
}

.result-box::-webkit-scrollbar-track,
.main-content::-webkit-scrollbar-track {
  background: var(--bg-elevated);
}

.result-box::-webkit-scrollbar-thumb,
.main-content::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 4px;
}

.result-box::-webkit-scrollbar-thumb:hover,
.main-content::-webkit-scrollbar-thumb:hover {
  background: var(--text-dim);
}

/* Utility */

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 100;
  padding: 0.75rem 1rem;
  background: var(--teal);
  color: var(--bg-deep);
  font-weight: 600;
  text-decoration: none;
  border-radius: var(--radius);
}

.skip-link:focus {
  left: 1rem;
  top: 1rem;
}

.noscript-banner {
  margin: 0;
  padding: 0.75rem 1rem;
  background: rgba(255, 107, 53, 0.15);
  color: var(--orange);
  text-align: center;
  font-size: 0.9375rem;
}

.truncate {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  min-width: 0;
}

.min-w-0 { min-width: 0; }

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

.hidden { display: none !important; }