:root {
  --bg-dark: #080c14;
  --bg-surface: #101626;
  --bg-card: rgba(18, 26, 44, 0.92);
  --border-glass: rgba(255, 255, 255, 0.08);
  --border-focus: #6366f1;
  
  --primary: #6366f1;
  --primary-hover: #4f46e5;
  --success: #10b981;
  --success-glow: rgba(16, 185, 129, 0.35);
  --warning: #f59e0b;
  --warning-glow: rgba(245, 158, 11, 0.35);
  --danger: #ef4444;
  --danger-glow: rgba(239, 68, 68, 0.35);
  
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-dim: #64748b;
  
  --font-fa: 'Vazirmatn', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-en: 'Outfit', sans-serif;
  --radius-xl: 24px;
  --radius-lg: 16px;
  --radius-md: 12px;
  --radius-sm: 8px;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}

body {
  background-color: var(--bg-dark);
  color: var(--text-main);
  font-family: var(--font-fa);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background-image: 
    radial-gradient(circle at 10% 10%, rgba(99, 102, 241, 0.12) 0%, transparent 40%),
    radial-gradient(circle at 90% 90%, rgba(16, 185, 129, 0.08) 0%, transparent 40%);
  background-attachment: fixed;
  overflow-x: hidden;
}

/* Modals */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(4, 7, 13, 0.85);
  backdrop-filter: blur(12px);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 1000;
  padding: 20px;
}

.login-card {
  width: 100%;
  max-width: 420px;
  background: var(--bg-surface);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-xl);
  padding: 32px 24px;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.7);
  display: flex;
  flex-direction: column;
  gap: 20px;
  text-align: center;
}

.logo-circle {
  width: 52px;
  height: 52px;
  background: linear-gradient(135deg, #6366f1, #06b6d4);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 12px auto;
  color: #fff;
  box-shadow: 0 0 25px rgba(99, 102, 241, 0.4);
}

.brand-center h2 {
  font-size: 1.25rem;
  font-weight: 700;
  color: #fff;
}

.login-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 4px;
}

.auth-step {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.input-group {
  text-align: right;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.input-group label {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.input-group input {
  background: rgba(10, 14, 24, 0.8);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  padding: 14px 16px;
  color: #fff;
  font-family: var(--font-fa);
  font-size: 1.15rem;
  text-align: center;
  letter-spacing: 2px;
  transition: all 0.2s ease;
}

.input-group input:focus {
  outline: none;
  border-color: var(--border-focus);
  box-shadow: 0 0 15px rgba(99, 102, 241, 0.3);
}

.resend-hint {
  font-size: 0.75rem;
  color: var(--text-dim);
  text-align: center;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-hover));
  color: #fff;
  border: none;
  border-radius: var(--radius-md);
  padding: 14px;
  font-family: var(--font-fa);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-primary:hover {
  filter: brightness(1.1);
  transform: translateY(-1px);
}

.btn-text {
  background: none;
  border: none;
  color: var(--text-muted);
  font-family: var(--font-fa);
  font-size: 0.85rem;
  cursor: pointer;
  padding: 6px;
}

.auth-error {
  background: rgba(239, 68, 68, 0.15);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: #f87171;
  padding: 10px;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
}

/* App Layout */
.app-layout {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  width: 100%;
  max-width: 680px;
  margin: 0 auto;
  padding: 16px;
  gap: 16px;
}

/* Top Nav */
.top-nav {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  padding: 12px 18px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.user-meta {
  display: flex;
  align-items: center;
  gap: 10px;
}

.user-avatar {
  font-size: 1.4rem;
}

.user-details strong {
  display: block;
  font-size: 0.95rem;
  color: #fff;
}

.user-details small {
  font-family: var(--font-en);
  font-size: 0.75rem;
  color: var(--text-dim);
}

.user-live-stats {
  display: flex;
  gap: 8px;
}

.stat-pill {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-glass);
  border-radius: 20px;
  padding: 4px 12px;
  font-size: 0.75rem;
  display: flex;
  align-items: center;
  gap: 6px;
}

.stat-value {
  color: #34d399;
  font-weight: 700;
  font-family: var(--font-en);
}

.nav-controls {
  display: flex;
  align-items: center;
  gap: 8px;
}

.btn-admin {
  background: rgba(99, 102, 241, 0.15);
  border: 1px solid rgba(99, 102, 241, 0.3);
  color: #a5b4fc;
  border-radius: var(--radius-sm);
  padding: 6px 12px;
  font-family: var(--font-fa);
  font-size: 0.8rem;
  cursor: pointer;
  font-weight: 600;
}

.btn-logout {
  background: none;
  border: 1px solid var(--border-glass);
  color: var(--text-muted);
  border-radius: var(--radius-sm);
  padding: 6px 12px;
  font-family: var(--font-fa);
  font-size: 0.8rem;
  cursor: pointer;
}

/* Annotation Container */
.annotation-container {
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.chunk-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-xl);
  padding: 22px 20px;
  display: flex;
  flex-direction: column;
  gap: 18px;
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.5);
}

/* Header Tags */
.chunk-header-tags {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.tag-id {
  font-family: var(--font-en);
  background: rgba(99, 102, 241, 0.15);
  color: #818cf8;
  padding: 3px 8px;
  border-radius: 6px;
  font-weight: 600;
}

.tag-speaker {
  background: rgba(255, 255, 255, 0.06);
  padding: 3px 8px;
  border-radius: 6px;
}

.tag-dur {
  font-family: var(--font-en);
  background: rgba(255, 255, 255, 0.06);
  padding: 3px 8px;
  border-radius: 6px;
}

/* Audio Player */
.audio-player-box {
  background: rgba(10, 14, 24, 0.7);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  padding: 14px 16px;
  display: flex;
  align-items: center;
  gap: 14px;
}

.play-btn-circle {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: linear-gradient(135deg, #6366f1, #4f46e5);
  border: none;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 0 20px rgba(99, 102, 241, 0.4);
  flex-shrink: 0;
  transition: transform 0.15s ease;
}

.play-btn-circle:active {
  transform: scale(0.95);
}

.waveform-track {
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  gap: 6px;
  cursor: pointer;
}

.waveform-progress {
  height: 6px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 3px;
  position: relative;
  overflow: hidden;
}

.waveform-progress::after {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: var(--progress-pct, 0%);
  background: #6366f1;
  border-radius: 3px;
}

.time-label {
  font-family: var(--font-en);
  font-size: 0.75rem;
  color: var(--text-dim);
}

.speed-toggle-btn {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-glass);
  color: var(--text-muted);
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-en);
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
}

/* Transcript Box */
.transcript-editor-box {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.editor-header {
  display: flex;
  justify-content: space-between;
  font-size: 0.85rem;
  color: var(--text-muted);
}

textarea#transcriptTextarea {
  width: 100%;
  background: rgba(10, 14, 24, 0.9);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  padding: 16px;
  color: #fff;
  font-family: var(--font-fa);
  font-size: 1.25rem;
  line-height: 1.8;
  font-weight: 500;
  resize: none;
  min-height: 105px;
  transition: all 0.2s ease;
}

textarea#transcriptTextarea:focus {
  outline: none;
  border-color: var(--border-focus);
  box-shadow: 0 0 15px rgba(99, 102, 241, 0.3);
}

.diff-box {
  background: rgba(245, 158, 11, 0.1);
  border-right: 3px solid #f59e0b;
  padding: 8px 12px;
  border-radius: 4px;
  font-size: 0.8rem;
  color: #fbbf24;
}

/* Action Buttons Grid */
.action-grid {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 12px;
  margin-top: 4px;
}

.action-btn {
  border: none;
  border-radius: var(--radius-lg);
  padding: 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  cursor: pointer;
  transition: all 0.15s ease;
  font-family: var(--font-fa);
  text-align: right;
}

.action-btn:active {
  transform: scale(0.98);
}

.btn-icon {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
}

.btn-labels strong {
  display: block;
  font-size: 1.05rem;
  font-weight: 700;
}

.btn-labels small {
  font-size: 0.75rem;
  opacity: 0.8;
}

/* Reject */
.btn-reject {
  background: linear-gradient(135deg, rgba(239, 68, 68, 0.15), rgba(185, 28, 28, 0.15));
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: #f87171;
}

.btn-reject .btn-icon {
  background: rgba(239, 68, 68, 0.2);
  color: #ef4444;
}

/* Confirm */
.btn-confirm {
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.2), rgba(5, 150, 105, 0.2));
  border: 1px solid rgba(16, 185, 129, 0.35);
  color: #34d399;
}

.btn-confirm .btn-icon {
  background: rgba(16, 185, 129, 0.25);
  color: #10b981;
}

/* Edited Mode for Confirm Button */
.btn-confirm.is-edited {
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.2), rgba(217, 119, 6, 0.2));
  border-color: rgba(245, 158, 11, 0.35);
  color: #fbbf24;
}

.btn-confirm.is-edited .btn-icon {
  background: rgba(245, 158, 11, 0.25);
  color: #f59e0b;
}

/* Empty State */
.empty-state-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-xl);
  padding: 40px 24px;
  text-align: center;
}

.celebrate-icon {
  font-size: 3rem;
  margin-bottom: 12px;
}

/* Desktop Hints */
.desktop-hints {
  display: flex;
  justify-content: center;
  gap: 16px;
  font-size: 0.75rem;
  color: var(--text-dim);
  padding: 8px 0;
}

kbd {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid var(--border-glass);
  border-radius: 4px;
  padding: 2px 6px;
  font-family: var(--font-en);
}

/* Admin Dashboard Modal */
.admin-card {
  width: 100%;
  max-width: 900px;
  max-height: 90vh;
  overflow-y: auto;
  background: var(--bg-surface);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-xl);
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.admin-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.admin-title h2 {
  font-size: 1.3rem;
  color: #fff;
}

.admin-title small {
  color: var(--text-muted);
}

.btn-close {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1.2rem;
  cursor: pointer;
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 12px;
}

.metric-box {
  background: rgba(10, 14, 24, 0.6);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.metric-box span {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.metric-box strong {
  font-family: var(--font-en);
  font-size: 1.4rem;
  color: #fff;
}

.metric-box.success strong { color: #34d399; }
.metric-box.warning strong { color: #fbbf24; }
.metric-box.danger strong { color: #f87171; }

.admin-actions-bar {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-glass);
  color: var(--text-main);
  border-radius: var(--radius-md);
  cursor: pointer;
  font-family: var(--font-fa);
  font-size: 0.9rem;
}

.add-user-box {
  background: rgba(10, 14, 24, 0.8);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.add-user-box h3 {
  font-size: 0.95rem;
  color: #fff;
}

.form-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.form-row input {
  flex-grow: 1;
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  color: #fff;
  font-family: var(--font-fa);
  font-size: 0.9rem;
}

.table-wrapper {
  overflow-x: auto;
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
}

.leaderboard-table {
  width: 100%;
  border-collapse: collapse;
  text-align: right;
  font-size: 0.85rem;
}

.leaderboard-table th {
  background: rgba(10, 14, 24, 0.8);
  padding: 12px 16px;
  color: var(--text-muted);
}

.leaderboard-table td {
  padding: 12px 16px;
  border-top: 1px solid var(--border-glass);
  color: var(--text-main);
  vertical-align: middle;
}

.badge-status {
  padding: 3px 8px;
  border-radius: 12px;
  font-size: 0.75rem;
  font-weight: 600;
  display: inline-block;
}
.badge-status.active {
  background: rgba(52, 211, 153, 0.15);
  color: #34d399;
  border: 1px solid rgba(52, 211, 153, 0.3);
}
.badge-status.disabled {
  background: rgba(248, 113, 113, 0.15);
  color: #f87171;
  border: 1px solid rgba(248, 113, 113, 0.3);
}

.user-actions {
  display: flex;
  gap: 6px;
  align-items: center;
}
.btn-user-action {
  padding: 5px 10px;
  border-radius: 6px;
  font-size: 0.75rem;
  cursor: pointer;
  border: 1px solid transparent;
  font-family: var(--font-fa);
  transition: all 0.2s;
  white-space: nowrap;
}
.btn-toggle-status {
  background: rgba(255, 255, 255, 0.05);
  border-color: var(--border-glass);
  color: var(--text-muted);
}
.btn-toggle-status:hover {
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
}
.btn-delete-user {
  background: rgba(239, 68, 68, 0.1);
  border-color: rgba(239, 68, 68, 0.25);
  color: #f87171;
}
.btn-delete-user:hover {
  background: rgba(239, 68, 68, 0.25);
  color: #fff;
}