/* ===== SuperGoSpeak Styles ===== */
:root {
  --primary: #6C5CE7;
  --primary-light: #A29BFE;
  --primary-dark: #5A4BD1;
  --primary-bg: #F0EEFF;
  --bg: #F5F6FA;
  --white: #FFFFFF;
  --border: #E8ECF2;
  --border-hover: #D0D5DF;
  --text: #1A1D26;
  --text-secondary: #6B7280;
  --text-tertiary: #9CA3AF;
  --success: #10B981;
  --success-bg: #ECFDF5;
  --warning: #F59E0B;
  --warning-bg: #FFFBEB;
  --danger: #EF4444;
  --danger-bg: #FEF2F2;
  --sidebar-width: 240px;
  --sidebar-collapsed: 64px;
  --header-height: 60px;
  --radius: 10px;
  --radius-sm: 6px;
  --radius-lg: 14px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
  --shadow: 0 2px 8px rgba(0,0,0,0.08);
  --shadow-lg: 0 8px 24px rgba(0,0,0,0.12);
  --transition: 0.2s ease;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html, body { height: 100%; }
body {
  font-family: 'DM Sans', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 14px;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
input, button, select, textarea { font-family: inherit; }
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ===== Auth Page ===== */
.auth-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  position: relative;
  overflow: hidden;
}
.auth-bg { position: absolute; inset: 0; pointer-events: none; }
.auth-bg-shape {
  position: absolute;
  border-radius: 50%;
  opacity: 0.1;
  background: white;
}
.shape-1 { width: 400px; height: 400px; top: -100px; right: -100px; }
.shape-2 { width: 300px; height: 300px; bottom: -80px; left: -60px; }
.shape-3 { width: 200px; height: 200px; top: 40%; left: 50%; }

.auth-container {
  width: 400px;
  max-width: 90vw;
  background: var(--white);
  border-radius: 20px;
  padding: 40px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.15);
  position: relative;
  z-index: 1;
  animation: authIn 0.5s ease;
}
@keyframes authIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}
.auth-brand { text-align: center; margin-bottom: 32px; }
.auth-logo { display: flex; justify-content: center; margin-bottom: 12px; }
.auth-title {
  font-size: 24px;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.5px;
}
.auth-subtitle {
  font-size: 13px;
  color: var(--text-secondary);
  margin-top: 4px;
}
.auth-form { display: flex; flex-direction: column; gap: 16px; }
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group label {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
}
.form-group input,
.form-group select,
.form-group textarea {
  padding: 10px 14px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 14px;
  color: var(--text);
  background: var(--white);
  transition: border-color var(--transition);
  outline: none;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(108,92,231,0.1);
}
.form-group input::placeholder { color: var(--text-tertiary); }
.form-group textarea { resize: vertical; min-height: 80px; }

.auth-switch {
  text-align: center;
  font-size: 13px;
  color: var(--text-secondary);
  margin-top: 4px;
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 9px 18px;
  border: none;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
}
.btn-primary {
  background: var(--primary);
  color: white;
}
.btn-primary:hover { background: var(--primary-dark); }
.btn-secondary {
  background: var(--primary-bg);
  color: var(--primary);
}
.btn-secondary:hover { background: #E4E0FF; }
.btn-outline {
  background: transparent;
  color: var(--text-secondary);
  border: 1.5px solid var(--border);
}
.btn-outline:hover { border-color: var(--border-hover); color: var(--text); }
.btn-danger { background: var(--danger); color: white; }
.btn-danger:hover { background: #DC2626; }
.btn-sm { padding: 6px 12px; font-size: 13px; }
.btn-full { width: 100%; padding: 12px; font-size: 15px; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

/* ===== App Layout ===== */
.app {
  display: flex;
  height: 100vh;
  overflow: hidden;
}

/* ===== Sidebar ===== */
.sidebar {
  width: var(--sidebar-width);
  min-width: var(--sidebar-width);
  height: 100vh;
  background: var(--white);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  transition: all 0.3s ease;
  z-index: 100;
}
.sidebar-header {
  height: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  border-bottom: 1px solid var(--border);
}
.sidebar-logo {
  display: flex;
  align-items: center;
  gap: 10px;
}
.sidebar-brand {
  font-size: 16px;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.3px;
}
.sidebar-toggle {
  background: none;
  border: none;
  color: var(--text-tertiary);
  cursor: pointer;
  padding: 4px;
  border-radius: 4px;
  display: none;
}
.sidebar-toggle:hover { background: var(--bg); }

.sidebar-nav {
  flex: 1;
  padding: 12px 8px;
  overflow-y: auto;
}
.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
  margin-bottom: 2px;
}
.nav-item:hover {
  background: var(--bg);
  color: var(--text);
  text-decoration: none;
}
.nav-item.active {
  background: var(--primary-bg);
  color: var(--primary);
}
.nav-divider {
  height: 1px;
  background: var(--border);
  margin: 12px 4px;
}
.sidebar-footer {
  padding: 12px;
  border-top: 1px solid var(--border);
}
.btn-logout {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  padding: 10px 12px;
  border: none;
  background: none;
  color: var(--text-secondary);
  font-size: 14px;
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
}
.btn-logout:hover {
  background: var(--danger-bg);
  color: var(--danger);
}

/* ===== Main Content ===== */
.main-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
  height: 100vh;
  overflow: hidden;
}
.main-header {
  height: var(--header-height);
  min-height: var(--header-height);
  display: flex;
  align-items: center;
  padding: 0 24px;
  background: var(--white);
  border-bottom: 1px solid var(--border);
  gap: 16px;
}
.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  color: var(--text);
  cursor: pointer;
  padding: 4px;
}
.page-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--text);
  flex: 1;
}
.header-right {
  display: flex;
  align-items: center;
  gap: 12px;
}
.user-phone {
  font-size: 13px;
  color: var(--text-secondary);
  background: var(--bg);
  padding: 4px 12px;
  border-radius: 20px;
}

.main-body {
  flex: 1;
  overflow-y: auto;
  padding: 24px;
  min-height: 0;
}

/* ===== Cards ===== */
.card {
  background: var(--white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  padding: 24px;
  margin-bottom: 16px;
}
.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}
.card-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
}

/* ===== Dashboard ===== */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}
.stat-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
  display: flex;
  align-items: center;
  gap: 16px;
}
.stat-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
}
.stat-icon.purple { background: var(--primary-bg); }
.stat-icon.green { background: var(--success-bg); }
.stat-icon.amber { background: var(--warning-bg); }
.stat-info { flex: 1; }
.stat-value {
  font-size: 24px;
  font-weight: 700;
  color: var(--text);
  line-height: 1.2;
}
.stat-label {
  font-size: 13px;
  color: var(--text-secondary);
  margin-top: 2px;
}

/* ===== Script List ===== */
.script-list { display: flex; flex-direction: column; gap: 8px; }
.script-item {
  display: flex;
  align-items: center;
  padding: 16px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  cursor: pointer;
  transition: all var(--transition);
}
.script-item:hover {
  border-color: var(--primary-light);
  box-shadow: var(--shadow-sm);
}
.script-item-info { flex: 1; }
.script-item-name {
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
}
.script-item-meta {
  font-size: 12px;
  color: var(--text-secondary);
  margin-top: 4px;
  display: flex;
  gap: 12px;
}
.script-item-actions {
  display: flex;
  gap: 8px;
}

/* ===== Segment Editor ===== */
.segment-list { display: flex; flex-direction: column; gap: 12px; }
.segment-item {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  position: relative;
}
.segment-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
}
.segment-number {
  font-size: 12px;
  font-weight: 600;
  color: var(--primary);
  background: var(--primary-bg);
  padding: 2px 10px;
  border-radius: 12px;
}
.segment-status {
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 10px;
  font-weight: 500;
}
.segment-status.draft { background: var(--bg); color: var(--text-tertiary); }
.segment-status.translated { background: #DBEAFE; color: #1D4ED8; }
.segment-status.audio_ready { background: var(--success-bg); color: #059669; }
.segment-texts {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.segment-text-box {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.segment-text-label {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.segment-text-content {
  font-size: 14px;
  line-height: 1.6;
  color: var(--text);
  min-height: 40px;
}
.segment-audio {
  margin-top: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.segment-audio audio { height: 32px; flex: 1; }

/* ===== Settings ===== */
.settings-section {
  margin-bottom: 24px;
}
.settings-section h3 {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 12px;
  color: var(--text);
}
.settings-tip {
  font-size: 12px;
  color: var(--text-tertiary);
  margin-top: 6px;
  line-height: 1.5;
}

/* ===== Language Select ===== */
.lang-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 8px;
}
.lang-option {
  padding: 8px 12px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 13px;
  cursor: pointer;
  text-align: center;
  transition: all var(--transition);
}
.lang-option:hover { border-color: var(--primary-light); }
.lang-option.selected {
  border-color: var(--primary);
  background: var(--primary-bg);
  color: var(--primary);
  font-weight: 600;
}

/* ===== Player ===== */
.player-container {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  text-align: center;
}
.player-now-playing {
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 4px;
}
.player-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 16px;
}
.player-progress {
  width: 100%;
  height: 4px;
  background: var(--bg);
  border-radius: 2px;
  margin-bottom: 8px;
  overflow: hidden;
}
.player-progress-bar {
  height: 100%;
  background: var(--primary);
  border-radius: 2px;
  width: 0%;
  transition: width 0.3s;
}
.player-time {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  color: var(--text-tertiary);
  margin-bottom: 24px;
}
.player-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
}
.player-btn {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
  background: var(--bg);
  color: var(--text);
}
.player-btn:hover { background: var(--border); }
.player-btn.play {
  width: 64px;
  height: 64px;
  background: var(--primary);
  color: white;
}
.player-btn.play:hover { background: var(--primary-dark); }
.player-playlist {
  margin-top: 24px;
  text-align: left;
}
.player-playlist-item {
  display: flex;
  align-items: center;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition);
  gap: 10px;
}
.player-playlist-item:hover { background: var(--bg); }
.player-playlist-item.active {
  background: var(--primary-bg);
  color: var(--primary);
}
.player-playlist-item .pl-index {
  font-size: 12px;
  color: var(--text-tertiary);
  width: 24px;
  text-align: center;
}
.player-playlist-item .pl-text {
  flex: 1;
  font-size: 13px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.player-playlist-item .pl-duration {
  font-size: 12px;
  color: var(--text-tertiary);
}

/* ===== Empty State ===== */
.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-tertiary);
}
.empty-state svg {
  width: 64px;
  height: 64px;
  margin-bottom: 16px;
  opacity: 0.3;
}
.empty-state p {
  font-size: 15px;
  margin-bottom: 16px;
}

/* ===== Toast ===== */
.toast {
  position: fixed;
  top: 20px;
  left: 50%;
  transform: translateX(-50%) translateY(-100px);
  background: var(--text);
  color: white;
  padding: 10px 24px;
  border-radius: var(--radius);
  font-size: 14px;
  z-index: 9999;
  transition: transform 0.3s ease;
  pointer-events: none;
  max-width: 90vw;
  text-align: center;
}
.toast.show { transform: translateX(-50%) translateY(0); }
.toast.success { background: var(--success); }
.toast.error { background: var(--danger); }

/* ===== Modal ===== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 500;
  animation: fadeIn 0.2s;
}
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
.modal {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 28px;
  width: 480px;
  max-width: 92vw;
  max-height: 80vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
  animation: modalIn 0.25s ease;
}
@keyframes modalIn {
  from { opacity: 0; transform: scale(0.95) translateY(10px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}
.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}
.modal-title {
  font-size: 18px;
  font-weight: 600;
}
.modal-close {
  background: none;
  border: none;
  font-size: 22px;
  cursor: pointer;
  color: var(--text-tertiary);
  padding: 4px;
}
.modal-close:hover { color: var(--text); }
.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 20px;
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
  .sidebar {
    position: fixed;
    left: -260px;
    top: 0;
    bottom: 0;
    z-index: 200;
    box-shadow: var(--shadow-lg);
  }
  .sidebar.open { left: 0; }
  .mobile-menu-btn { display: block; }
  .main-body { padding: 16px; }
  .segment-texts { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr; }
  .auth-container { padding: 28px; }
}