/* ============================================================
   HibikiTranslate — Design System
   ============================================================ */

/* --- Tokens (Light) --- */
:root {
  --bg: #f8f9fb;
  --bg-surface: #ffffff;
  --bg-elevated: #ffffff;
  --text: #111827;
  --text-secondary: #6b7280;
  --muted: #9ca3af;
  --border: #e5e7eb;
  --border-light: #f3f4f6;
  --accent: #6366f1;
  --accent-hover: #4f46e5;
  --accent-soft: rgba(99, 102, 241, 0.08);
  --accent-text: #6366f1;
  --danger: #ef4444;
  --success: #22c55e;
  --chip-bg: rgba(0, 0, 0, 0.04);
  --chip-text: #374151;
  --spinner-border: #e5e7eb;
  --spinner-top: #6366f1;
  --silence-bg: #f3f4f6;
  --loading-bg: rgba(239, 68, 68, 0.06);
  --button-bg: #ffffff;
  --button-border: #e5e7eb;
  --wave-stroke: #111827;
  --label-dia-text: #9ca3af;
  --label-trans-text: #111827;
  --nav-bg: #ffffff;
  --nav-border: #e5e7eb;
  --nav-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
  --input-bg: #ffffff;
  --input-border: #d1d5db;
  --input-focus: #6366f1;
  --overlay-bg: rgba(0, 0, 0, 0.4);
  --card-shadow: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
}

/* --- Dark tokens (system preference) --- */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0f1117;
    --bg-surface: #1a1d27;
    --bg-elevated: #21242f;
    --text: #e5e7eb;
    --text-secondary: #9ca3af;
    --muted: #6b7280;
    --border: #2d3140;
    --border-light: #252836;
    --accent: #818cf8;
    --accent-hover: #6366f1;
    --accent-soft: rgba(129, 140, 248, 0.1);
    --accent-text: #a5b4fc;
    --danger: #f87171;
    --success: #4ade80;
    --chip-bg: rgba(255, 255, 255, 0.06);
    --chip-text: #d1d5db;
    --spinner-border: #374151;
    --spinner-top: #818cf8;
    --silence-bg: #1f2937;
    --loading-bg: rgba(239, 68, 68, 0.1);
    --button-bg: #1a1d27;
    --button-border: #2d3140;
    --wave-stroke: #e5e7eb;
    --label-dia-text: #6b7280;
    --label-trans-text: #e5e7eb;
    --nav-bg: #161822;
    --nav-border: #2d3140;
    --nav-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
    --input-bg: #1a1d27;
    --input-border: #374151;
    --input-focus: #818cf8;
    --overlay-bg: rgba(0, 0, 0, 0.6);
    --card-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
  }
}

/* --- Dark tokens (explicit) --- */
:root[data-theme="dark"] {
  --bg: #0f1117;
  --bg-surface: #1a1d27;
  --bg-elevated: #21242f;
  --text: #e5e7eb;
  --text-secondary: #9ca3af;
  --muted: #6b7280;
  --border: #2d3140;
  --border-light: #252836;
  --accent: #818cf8;
  --accent-hover: #6366f1;
  --accent-soft: rgba(129, 140, 248, 0.1);
  --accent-text: #a5b4fc;
  --danger: #f87171;
  --success: #4ade80;
  --chip-bg: rgba(255, 255, 255, 0.06);
  --chip-text: #d1d5db;
  --spinner-border: #374151;
  --spinner-top: #818cf8;
  --silence-bg: #1f2937;
  --loading-bg: rgba(239, 68, 68, 0.1);
  --button-bg: #1a1d27;
  --button-border: #2d3140;
  --wave-stroke: #e5e7eb;
  --label-dia-text: #6b7280;
  --label-trans-text: #e5e7eb;
  --nav-bg: #161822;
  --nav-border: #2d3140;
  --nav-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
  --input-bg: #1a1d27;
  --input-border: #374151;
  --input-focus: #818cf8;
  --overlay-bg: rgba(0, 0, 0, 0.6);
  --card-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}

/* --- Light tokens (explicit) --- */
:root[data-theme="light"] {
  --bg: #f8f9fb;
  --bg-surface: #ffffff;
  --bg-elevated: #ffffff;
  --text: #111827;
  --text-secondary: #6b7280;
  --muted: #9ca3af;
  --border: #e5e7eb;
  --border-light: #f3f4f6;
  --accent: #6366f1;
  --accent-hover: #4f46e5;
  --accent-soft: rgba(99, 102, 241, 0.08);
  --accent-text: #6366f1;
  --danger: #ef4444;
  --success: #22c55e;
  --chip-bg: rgba(0, 0, 0, 0.04);
  --chip-text: #374151;
  --spinner-border: #e5e7eb;
  --spinner-top: #6366f1;
  --silence-bg: #f3f4f6;
  --loading-bg: rgba(239, 68, 68, 0.06);
  --button-bg: #ffffff;
  --button-border: #e5e7eb;
  --wave-stroke: #111827;
  --label-dia-text: #9ca3af;
  --label-trans-text: #111827;
  --nav-bg: #ffffff;
  --nav-border: #e5e7eb;
  --nav-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
  --input-bg: #ffffff;
  --input-border: #d1d5db;
  --input-focus: #6366f1;
  --overlay-bg: rgba(0, 0, 0, 0.4);
  --card-shadow: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
}

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

html.is-extension { width: 350px; height: 500px; }

body {
  font-family: 'Inter', ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background-color: var(--bg);
  color: var(--text);
  height: 100vh;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ============================================================
   Navigation Bar
   ============================================================ */
.app-nav {
  display: none;
}

.app-bottom-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 56px;
  padding: 0 20px;
  background: var(--nav-bg);
  border-top: 1px solid var(--nav-border);
  border-radius: 0;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
  z-index: 200;
}

.app-bottom-left {
  display: flex;
  align-items: center;
  gap: 10px;
}
.app-bottom-right {
  display: flex;
  align-items: center;
  gap: 12px;
}
.app-bottom-bar #status {
  font-size: 11px;
  color: var(--text-secondary);
  margin: 0;
  white-space: nowrap;
  max-width: 140px;
  overflow: hidden;
  text-overflow: ellipsis;
}

.app-nav-left {
  display: flex;
  align-items: center;
  gap: 24px;
}

.app-nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text);
}

.app-nav-logo {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  background: linear-gradient(135deg, #6366f1, #8b5cf6);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 700;
  font-size: 14px;
  flex-shrink: 0;
}

.app-nav-title {
  font-size: 16px;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.app-nav-title span {
  color: var(--accent-text);
}

.app-nav-links {
  display: flex;
  align-items: center;
  gap: 2px;
}

.app-nav-link {
  padding: 6px 14px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  text-decoration: none;
  transition: all 0.15s ease;
}

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

.app-nav-link.active {
  background: var(--accent-soft);
  color: var(--accent-text);
}

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

.nav-stt-badge {
  font-size: 10px;
  font-weight: 700;
  padding: 3px 9px;
  border-radius: 9999px;
  letter-spacing: 0.3px;
  white-space: nowrap;
}

.nav-stt-badge:empty { display: none; }
.stt-transcribe { background: var(--chip-bg); color: var(--text-secondary); }
.stt-wlk { background: var(--accent-soft); color: var(--accent-text); }

.nav-mic-select {
  padding: 5px 10px;
  border-radius: 8px;
  border: 1px solid var(--button-border);
  background: var(--button-bg);
  color: var(--text);
  font-size: 13px;
  font-family: inherit;
  max-width: 170px;
  outline: none;
  transition: border-color 0.15s ease;
}

.nav-mic-select:focus {
  border-color: var(--input-focus);
  box-shadow: 0 0 0 2px var(--accent-soft);
}

/* ============================================================
   Auth Overlay (Login)
   ============================================================ */
#auth-overlay {
  position: fixed;
  inset: 0;
  background: var(--overlay-bg);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
}

#auth-overlay.hidden { display: none; }

.login-box {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  padding: 40px 36px 36px;
  border-radius: 16px;
  width: 380px;
  max-width: 92vw;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
}

.login-brand {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  margin-bottom: 28px;
}

.login-brand-icon {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: linear-gradient(135deg, #6366f1, #8b5cf6);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 700;
  font-size: 22px;
}

.login-brand-name {
  font-size: 20px;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.02em;
}

.login-brand-name span {
  color: var(--accent-text);
}

.login-subtitle {
  font-size: 13px;
  color: var(--muted);
  margin-top: -4px;
}

.login-box h2 {
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  text-align: center;
  margin-bottom: 20px;
}

.login-box input {
  width: 100%;
  padding: 10px 14px;
  margin: 0 0 12px;
  border-radius: 10px;
  border: 1px solid var(--input-border);
  background: var(--input-bg);
  color: var(--text);
  font-size: 14px;
  font-family: inherit;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
  outline: none;
}

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

.login-box input::placeholder {
  color: var(--muted);
}

.login-box button {
  width: 100%;
  padding: 10px 16px;
  margin-top: 4px;
  border-radius: 10px;
  border: none;
  background: var(--accent);
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  transition: background 0.15s ease, transform 0.1s ease;
}

.login-box button:hover { background: var(--accent-hover); }
.login-box button:active { transform: scale(0.98); }

.login-box .error {
  color: var(--danger);
  font-size: 13px;
  margin-top: 10px;
  text-align: center;
}

/* ============================================================
   Theme Selector (segmented pill)
   ============================================================ */
.theme-selector-container {
  display: flex;
  align-items: center;
}

.segmented {
  display: inline-flex;
  align-items: stretch;
  border: 1px solid var(--button-border);
  background-color: var(--button-bg);
  border-radius: 10px;
  overflow: hidden;
}

.segmented input[type="radio"] {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.segmented label {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 5px 10px;
  font-size: 13px;
  color: var(--muted);
  cursor: pointer;
  user-select: none;
  transition: background-color 0.15s ease, color 0.15s ease;
}

.segmented label span { display: none; }
.segmented label:hover span { display: inline; }
.segmented label:hover { background-color: var(--chip-bg); }

.segmented img { width: 15px; height: 15px; }

.segmented input[type="radio"]:checked + label {
  background-color: var(--accent-soft);
  color: var(--accent-text);
}

.segmented input[type="radio"]:focus-visible + label {
  outline: 2px solid var(--accent);
  outline-offset: -2px;
}

/* ============================================================
   Nav Center (language + record)
   ============================================================ */
.app-nav-center {
  display: flex;
  align-items: center;
  gap: 0;
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
}

.nav-lang-group {
  display: flex;
  align-items: center;
  gap: 6px;
}

.nav-lang-select {
  padding: 5px 8px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  font-size: 13px;
  font-family: inherit;
  font-weight: 500;
  outline: none;
  cursor: pointer;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.nav-lang-select:focus {
  border-color: var(--input-focus);
  box-shadow: 0 0 0 2px var(--accent-soft);
}

.nav-lang-select:disabled {
  opacity: 1;
  cursor: default;
  background: transparent;
  border-color: transparent;
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
  color: var(--text);
  font-weight: 600;
}

.nav-lang-arrow {
  display: flex;
  flex-direction: column;
  align-items: center;
  color: var(--muted);
  flex-shrink: 0;
  gap: 2px;
}

.profile-badge {
  font-size: 9px;
  padding: 1px 6px;
  border-radius: 9999px;
  background: var(--accent-soft);
  color: var(--accent-text);
  font-weight: 700;
  letter-spacing: 0.3px;
  white-space: nowrap;
  line-height: 1.3;
}

.lang-edit-btn,
.lang-save-btn,
.lang-cancel-btn {
  padding: 4px 10px;
  border-radius: 7px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-secondary);
  font-size: 11px;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  transition: all 0.15s ease;
  white-space: nowrap;
  margin-left: 4px;
}

.lang-edit-btn:hover {
  background: var(--chip-bg);
  color: var(--text);
}

.lang-save-btn {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

.lang-save-btn:hover {
  background: var(--accent-hover);
}

.lang-save-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.lang-cancel-btn:hover {
  background: var(--chip-bg);
  color: var(--text);
}

.lang-saving-indicator {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  font-weight: 500;
  color: var(--accent-text);
  margin-left: 4px;
}

.lang-saving-indicator .spinner {
  width: 10px;
  height: 10px;
  border-width: 1.5px;
  margin: 0;
}

.nav-divider {
  width: 1px;
  height: 28px;
  background: var(--border);
  margin: 0 12px;
  flex-shrink: 0;
}

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

/* Record button */
#recordButton {
  width: 36px;
  height: 36px;
  border: none;
  border-radius: 50%;
  background-color: var(--bg);
  cursor: pointer;
  transition: all 0.3s ease;
  border: 2px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  flex-shrink: 0;
}

#recordButton.recording {
  width: 150px;
  border-radius: 18px;
  justify-content: flex-start;
  padding-left: 10px;
  border-color: #3b82f6;
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

#recordButton:hover:not(:disabled) {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

#recordButton:active { transform: scale(0.96); }

.shape-container {
  width: 16px;
  height: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.shape {
  width: 16px;
  height: 16px;
  background-color: #3b82f6;
  border-radius: 50%;
  transition: all 0.3s ease;
}

#recordButton:disabled .shape { background-color: #9ca3af; }

#recordButton.recording .shape {
  border-radius: 3px;
  width: 14px;
  height: 14px;
}

.recording-info {
  display: none;
  align-items: center;
  margin-left: 8px;
  flex-grow: 1;
}

#recordButton.recording .recording-info { display: flex; }

.wave-container {
  width: 46px;
  height: 24px;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

#waveCanvas { width: 100%; height: 100%; }

.timer {
  font-size: 12px;
  font-weight: 600;
  color: var(--text);
  margin-left: 4px;
  font-variant-numeric: tabular-nums;
}

#status {
  font-size: 11px;
  color: var(--text-secondary);
  margin: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 180px;
}

.btn-logout {
  padding: 5px 14px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--muted);
  font-size: 12px;
  font-weight: 500;
  font-family: inherit;
  cursor: pointer;
  transition: all 0.15s ease;
}

.btn-logout:hover {
  color: var(--text);
  border-color: var(--text-secondary);
}

/* ============================================================
   Transcript Area
   ============================================================ */
.transcript-container {
  flex: 1;
  overflow-y: auto;
  padding: 20px 20px 76px 20px;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.transcript-container::-webkit-scrollbar { display: none; }

#linesTranscript {
  margin: 0;
  max-width: none;
  padding: 0 24px 40px 24px;
  text-align: left;
  font-size: 15px;
  line-height: 1.6;
}

#linesTranscript p { margin: 0; }
#linesTranscript strong { color: var(--text); }

#speaker {
  border: 1px solid var(--border);
  border-radius: 100px;
  padding: 2px 10px;
  font-size: 13px;
  margin-bottom: 0;
  background: var(--bg-surface);
}

.label_diarization {
  background-color: var(--chip-bg);
  border-radius: 100px;
  padding: 2px 10px;
  margin-left: 8px;
  display: inline-block;
  white-space: nowrap;
  font-size: 13px;
  color: var(--label-dia-text);
}

.label_transcription {
  background-color: var(--chip-bg);
  border-radius: 100px;
  padding: 2px 10px;
  display: inline-block;
  white-space: nowrap;
  margin-left: 8px;
  font-size: 13px;
  color: var(--label-trans-text);
}

.label_translation {
  background-color: var(--accent-soft);
  display: flex;
  border-radius: 10px;
  padding: 6px 10px;
  margin-top: 6px;
  font-size: 14px;
  color: var(--text);
  align-items: flex-start;
  gap: 6px;
  overflow: visible;
  min-height: 20px;
  line-height: 1.5;
  word-break: break-word;
  border: 1px solid var(--border-light);
}

.label_translation svg {
  flex-shrink: 0;
  margin-top: 3px;
}

.translation_text { flex: 1; }

.lag-diarization-value { margin-left: 8px; }

.label_translation img { margin-top: 2px; width: 12px; height: 12px; }

.label_language {
  background-color: var(--chip-bg);
  border-radius: 100px;
  padding: 2px 8px;
  margin-left: 8px;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 13px;
  color: var(--muted);
}

.speaker-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 16px;
  height: 16px;
  margin-left: -5px;
  border-radius: 50%;
  font-size: 11px;
  line-height: 1;
  font-weight: 800;
  color: var(--muted);
}

#timeInfo {
  color: var(--muted);
}

.textcontent {
  font-size: 15px;
  padding-left: 10px;
  margin-bottom: 12px;
  margin-top: 2px;
  padding-top: 4px;
  border-radius: 0 0 0 10px;
}

.buffer_diarization { color: var(--label-dia-text); }
.buffer_transcription { color: #7474748c; margin-left: 4px; }
.buffer_translation { color: #a0a0a0; margin-left: 6px; }

.spinner {
  display: inline-block;
  width: 8px;
  height: 8px;
  border: 2px solid var(--spinner-border);
  border-top: 2px solid var(--spinner-top);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  vertical-align: middle;
  margin-bottom: 2px;
  margin-right: 5px;
}

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

.silence {
  color: var(--muted);
  background-color: var(--silence-bg);
  font-size: 13px;
  border-radius: 30px;
  padding: 2px 10px;
}

.loading {
  color: var(--muted);
  background-color: var(--loading-bg);
  border-radius: 8px 8px 8px 0;
  padding: 2px 10px;
  font-size: 13px;
}

/* ============================================================
   Settings Page
   ============================================================ */
.settings-page {
  flex: 1;
  overflow-y: auto;
  padding: 24px 20px 40px;
}

.settings-container-page {
  max-width: 760px;
  margin: 0 auto;
}

.settings-page-header {
  margin-bottom: 28px;
}

.settings-page-title {
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.settings-page-subtitle {
  font-size: 13px;
  color: var(--text-secondary);
  margin-top: 4px;
}

.settings-section-title {
  font-size: 11px;
  font-weight: 700;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.8px;
  margin: 28px 0 10px;
}

.settings-section-title:first-child { margin-top: 0; }

.settings-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 20px;
  margin-bottom: 12px;
  box-shadow: var(--card-shadow);
}

.settings-card .field { margin-bottom: 16px; }
.settings-card .field:last-child { margin-bottom: 0; }

.settings-card .field label {
  display: block;
  font-size: 11px;
  color: var(--muted);
  margin-bottom: 5px;
  text-transform: uppercase;
  letter-spacing: 0.4px;
  font-weight: 600;
}

.settings-card .field .value {
  font-size: 14px;
  padding: 8px 12px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  font-family: 'SF Mono', 'Fira Code', 'Consolas', monospace;
  color: var(--text);
}

.settings-card .field textarea {
  width: 100%;
  min-height: 200px;
  padding: 12px 14px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text);
  font-family: 'SF Mono', 'Fira Code', 'Consolas', monospace;
  font-size: 13px;
  resize: vertical;
  line-height: 1.5;
  outline: none;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.settings-card .field textarea:focus {
  border-color: var(--input-focus);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

.settings-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.badge {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 9999px;
  font-size: 12px;
  font-weight: 600;
}

.badge-blue { background: var(--accent-soft); color: var(--accent-text); }
.badge-green { background: rgba(34, 197, 94, 0.1); color: var(--success); }

.btn {
  padding: 8px 20px;
  border-radius: 10px;
  border: none;
  font-size: 14px;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  transition: all 0.15s ease;
}

.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-hover); }
.btn-primary:active { transform: scale(0.98); }

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

.btn-row { display: flex; gap: 8px; margin-top: 16px; }

.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  padding: 12px 20px;
  border-radius: 10px;
  background: var(--success);
  color: #fff;
  font-size: 14px;
  font-weight: 500;
  display: none;
  z-index: 999;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.toast.error { background: var(--danger); }

#loading {
  text-align: center;
  padding: 60px;
  color: var(--muted);
  font-size: 14px;
}

/* ============================================================
   Form elements (shared)
   ============================================================ */
.field {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 3px;
}

#chunkSelector,
#websocketInput,
#themeSelector {
  font-size: 14px;
  padding: 5px 10px;
  border-radius: 8px;
  border: 1px solid var(--input-border);
  background-color: var(--input-bg);
  color: var(--text);
  max-height: 30px;
  font-family: inherit;
}

#chunkSelector:focus,
#websocketInput:focus,
#themeSelector:focus {
  outline: none;
  border-color: var(--input-focus);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

label {
  font-size: 13px;
  color: var(--muted);
}

.ws-default {
  font-size: 12px;
  color: var(--muted);
}

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 900px) {
  .app-nav-center {
    position: static;
    transform: none;
  }
}

@media (max-width: 700px) {
  .app-nav {
    height: auto;
    padding: 8px 12px;
    flex-wrap: wrap;
    gap: 8px;
  }
  .app-nav-left { gap: 12px; }
  .app-nav-title { font-size: 14px; }
  .app-nav-links { gap: 0; }
  .app-nav-link { padding: 5px 8px; font-size: 12px; }
  .app-nav-center { order: 3; width: 100%; justify-content: center; }
  .nav-mic-select { max-width: 100px; font-size: 12px; }

  .settings-page { padding: 16px 12px 32px; }
  .settings-grid { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .segmented label { padding: 4px 8px; font-size: 12px; }
  .segmented img { width: 14px; height: 14px; }
  .transcript-container { padding: 10px; }
  .nav-mic-select { display: none; }
  .nav-lang-select { font-size: 12px; padding: 4px 6px; }
  .profile-badge { display: none; }
  #status { max-width: 100px; font-size: 10px; }
}

/* ============================================================
   Aligned 2-column Translate View
   ============================================================ */
.aligned-view {
  position: relative;
  display: flex;
  flex-direction: column;
  flex: 1;
  min-height: 0;
  --split-ratio: 0.5;
}
.aligned-toolbar {
  display: flex;
  justify-content: center;
  padding: 8px 16px 4px 16px;
  border-bottom: 1px solid var(--border-light);
}
.view-mode-switch {
  display: inline-flex;
  background: var(--chip-bg);
  border-radius: 999px;
  padding: 3px;
  gap: 2px;
}
.view-mode-btn {
  background: transparent;
  border: 0;
  color: var(--text-secondary);
  padding: 4px 14px;
  font-size: 13px;
  border-radius: 999px;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}
.view-mode-btn:hover { color: var(--text); }
.view-mode-btn.active {
  background: var(--bg-surface);
  color: var(--accent-text);
  box-shadow: var(--card-shadow);
}
.aligned-header {
  display: grid;
  grid-template-columns: calc(var(--split-ratio) * 100%) 8px 1fr;
  gap: 0;
  padding: 10px 20px 6px 20px;
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border-light);
}
.aligned-header.mode-single {
  grid-template-columns: 1fr;
}
.aligned-header-divider { }
.aligned-header-col { padding: 0 4px; }
.aligned-grid {
  display: grid;
  grid-template-columns: calc(var(--split-ratio) * 100%) 8px 1fr;
  row-gap: 6px;
  max-width: none;
  margin: 0;
  align-items: stretch;
}
.aligned-grid.mode-single {
  grid-template-columns: 1fr;
}
.aligned-cell {
  padding: 8px 12px;
  border-bottom: 1px solid var(--border-light);
  font-size: var(--transcript-font-size, 15px);
  line-height: var(--transcript-line-height, 1.6);
  word-break: break-word;
  transition: color 0.4s ease;
}
.aligned-cell.original { color: var(--text); font-size: var(--transcript-font-size-left, var(--transcript-font-size, 15px)); }
.aligned-cell.translation { color: var(--text); font-size: var(--transcript-font-size-right, var(--transcript-font-size, 15px)); }
.aligned-cell .speaker-chip {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 11px;
  color: var(--muted);
  padding: 1px 7px;
  background: var(--chip-bg);
  border-radius: 999px;
  margin-right: 6px;
  vertical-align: middle;
}
.aligned-cell.partial {
  font-style: italic;
  color: var(--text-secondary);
  opacity: 0.85;
}
.aligned-cell.partial-line {
  color: #60a5fa;
}
.buffer_translation_inline {
  font-style: italic;
  color: var(--text-secondary);
  margin-left: 4px;
}
.speculative_translation {
  color: #60a5fa;
  margin-left: 4px;
  opacity: 0.85;
}
.aligned-divider {
  position: absolute;
  top: 54px;
  bottom: 0;
  width: 8px;
  left: calc(var(--split-ratio) * 100% - 4px);
  cursor: col-resize;
  z-index: 5;
}
.aligned-divider::before {
  content: "";
  position: absolute;
  left: 3px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: transparent;
  transition: background 0.15s;
}
.aligned-divider:hover::before { background: var(--accent); opacity: 0.5; }
.aligned-divider.dragging::before { background: var(--accent); opacity: 0.8; }
.aligned-view.single-mode .aligned-divider { display: none; }

.scroll-to-latest {
  position: absolute;
  bottom: 16px;
  right: 16px;
  background: var(--accent);
  color: #fff;
  border: 0;
  padding: 6px 14px;
  font-size: 12px;
  border-radius: 999px;
  cursor: pointer;
  box-shadow: var(--card-shadow);
  z-index: 4;
}
.scroll-to-latest:hover { background: var(--accent-hover); }

/* ============================================================
   Nav icon buttons (share, export, settings gear)
   ============================================================ */
.nav-icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 8px;
  border: 1px solid var(--button-border);
  background: var(--button-bg);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.15s ease;
  flex-shrink: 0;
}
.nav-icon-btn:hover {
  background: var(--chip-bg);
  color: var(--text);
  border-color: var(--text-secondary);
}
.nav-icon-btn.active {
  background: var(--accent-soft);
  color: var(--accent-text);
  border-color: var(--accent);
}

/* Connection status dot */
.conn-status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--muted);
  flex-shrink: 0;
  display: inline-block;
}
.conn-status-dot.connected { background: var(--success); }
.conn-status-dot.connecting { background: #facc15; }
.conn-status-dot.error { background: var(--danger); }

/* Export dropdown in nav */
.export-dropdown-nav {
  position: relative;
}
.export-nav-menu {
  position: absolute;
  top: calc(100% + 4px);
  right: 0;
  min-width: 120px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 10px;
  box-shadow: var(--card-shadow);
  padding: 4px;
  z-index: 500;
  display: none;
}
.export-nav-menu.open { display: block; }
.export-nav-item {
  display: flex;
  align-items: center;
  padding: 7px 12px;
  border-radius: 7px;
  font-size: 13px;
  color: var(--text);
  cursor: pointer;
  text-decoration: none;
  transition: background 0.1s;
}
.export-nav-item:hover { background: var(--chip-bg); }

/* ============================================================
   Settings Panel (right slide-in sidebar)
   ============================================================ */
.settings-overlay {
  position: fixed;
  inset: 0;
  background: var(--overlay-bg);
  z-index: 800;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
}
.settings-overlay.open {
  opacity: 1;
  pointer-events: auto;
}
.settings-panel {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: 320px;
  background: var(--bg-elevated);
  border-left: 1px solid var(--border);
  z-index: 900;
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: -8px 0 32px rgba(0, 0, 0, 0.12);
}
.settings-panel.open {
  transform: translateX(0);
}
.settings-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}
.settings-panel-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
}
.settings-panel-close {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 7px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.15s;
}
.settings-panel-close:hover {
  background: var(--chip-bg);
  color: var(--text);
}
.settings-panel-body {
  flex: 1;
  overflow-y: auto;
  padding: 16px 20px 32px;
  scrollbar-width: thin;
  scrollbar-color: var(--muted) transparent;
}
.settings-panel-body::-webkit-scrollbar { width: 6px; }
.settings-panel-body::-webkit-scrollbar-track { background: transparent; }
.settings-panel-body::-webkit-scrollbar-thumb { background: var(--muted); border-radius: 3px; }
.settings-panel-body::-webkit-scrollbar-thumb:hover { background: var(--text-secondary); }
.sp-section-title {
  font-size: 10px;
  font-weight: 700;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.8px;
  margin: 20px 0 8px;
}
.sp-section-title:first-child { margin-top: 0; }
.sp-toggle-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 0;
  font-size: 13px;
  color: var(--text);
  cursor: pointer;
  user-select: none;
}
.sp-toggle {
  position: relative;
  display: inline-block;
  width: 36px;
  height: 20px;
  cursor: pointer;
}
.sp-toggle input { opacity: 0; width: 0; height: 0; }
.sp-toggle-track {
  position: absolute;
  inset: 0;
  background: var(--border);
  border-radius: 9999px;
  transition: background 0.2s;
}
.sp-toggle-track::after {
  content: '';
  position: absolute;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: #fff;
  top: 3px;
  left: 3px;
  transition: transform 0.2s;
  box-shadow: 0 1px 3px rgba(0,0,0,0.2);
}
.sp-toggle input:checked + .sp-toggle-track { background: var(--accent); }
.sp-toggle input:checked + .sp-toggle-track::after { transform: translateX(16px); }
.sp-field {
  margin: 10px 0;
}
.sp-field label {
  display: block;
  font-size: 12px;
  color: var(--text-secondary);
  margin-bottom: 5px;
  text-transform: none;
}
.sp-field input[type="range"] {
  width: 100%;
  accent-color: var(--accent);
}
.sp-color-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 0;
  font-size: 13px;
  color: var(--text);
}
.sp-color-row input[type="color"] {
  width: 36px;
  height: 24px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: none;
  cursor: pointer;
  padding: 1px;
}
.sp-stat-row {
  display: flex;
  justify-content: space-between;
  padding: 5px 0;
  font-size: 12px;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border-light);
}
.sp-stat-row:last-child { border-bottom: none; }
.sp-stat-row span:last-child { font-family: monospace; color: var(--text); }
.sp-view-mode-group {
  display: inline-flex;
  background: var(--chip-bg);
  border-radius: 999px;
  padding: 3px;
  gap: 2px;
  margin-bottom: 4px;
}
.sp-view-btn {
  background: transparent;
  border: 0;
  color: var(--text-secondary);
  padding: 4px 12px;
  font-size: 12px;
  border-radius: 999px;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
  font-family: inherit;
}
.sp-view-btn:hover { color: var(--text); }
.sp-view-btn.active {
  background: var(--bg-surface);
  color: var(--accent-text);
  box-shadow: var(--card-shadow);
}

/* ============================================================
   Share / Audience Modal
   ============================================================ */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: var(--overlay-bg);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
}
.modal-box {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 16px;
  width: 380px;
  max-width: 92vw;
  box-shadow: 0 20px 60px rgba(0,0,0,0.18);
}
.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
}
.modal-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
}
.modal-close {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px; height: 28px;
  border-radius: 7px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.15s;
}
.modal-close:hover { background: var(--chip-bg); color: var(--text); }
.modal-body {
  padding: 20px;
}
.modal-desc {
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 16px;
}
.share-qr-container {
  display: flex;
  justify-content: center;
  margin-bottom: 16px;
}
.share-qr-container canvas {
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #fff;
}
.share-url-row {
  display: flex;
  gap: 8px;
  align-items: center;
}
.share-url-input {
  flex: 1;
  padding: 8px 12px;
  border-radius: 8px;
  border: 1px solid var(--input-border);
  background: var(--input-bg);
  color: var(--text);
  font-size: 12px;
  font-family: inherit;
  outline: none;
}

.sp-select {
  width: 100%;
  padding: 6px 10px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--input-bg);
  color: var(--text);
  font-size: 13px;
  font-family: inherit;
  outline: none;
}
.sp-select:focus {
  border-color: var(--input-focus);
  box-shadow: 0 0 0 2px var(--accent-soft);
}
.sp-btn-primary {
  width: 100%;
  padding: 8px 14px;
  border-radius: 8px;
  border: none;
  background: var(--accent);
  color: #fff;
  font-size: 13px;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
}
.sp-btn-primary:hover { background: var(--accent-hover); }
.sp-btn-secondary {
  padding: 8px 14px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 500;
  font-family: inherit;
  cursor: pointer;
}
.sp-btn-secondary:hover { color: var(--text); border-color: var(--text-secondary); }
.sp-theme-btn {
  flex: 1;
  padding: 6px 10px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-secondary);
  font-size: 12px;
  font-family: inherit;
  cursor: pointer;
}
.sp-theme-btn:hover { color: var(--text); }
.sp-theme-btn.active {
  background: var(--accent-soft);
  color: var(--accent-text);
  border-color: var(--accent);
}

.settings-gear-btn {
  position: static;
  z-index: 100;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--bg-surface);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.15s ease;
  box-shadow: var(--card-shadow);
}
.settings-gear-btn:hover {
  color: var(--text);
  border-color: var(--text-secondary);
  background: var(--bg-elevated);
}