/**
 * BayZubaan Unified Engagement Base
 * Injected into ALL pages to provide consistent chrome, animations, and engagement UI
 */

/* ========================================
   1. UNIFIED COLOR SYSTEM (Research-backed)
   ======================================== */
:root {
  --bay-canvas: #f0f4f8;
  --bay-card: #ffffff;
  --bay-text: #1e293b;
  --bay-text-light: #64748b;
  --bay-border: #e2e8f0;
  
  --bay-primary: #2d5a27;
  --bay-primary-light: #3d7a37;
  --bay-accent: #f59e0b;
  --bay-accent-light: #fbbf24;
  
  --bay-success: #16a34a;
  --bay-success-bg: #dcfce7;
  --bay-error: #dc2626;
  --bay-error-bg: #fee2e2;
  --bay-info: #2563eb;
  
  --bay-radius: 12px;
  --bay-shadow: 0 4px 6px -1px rgba(0,0,0,0.05), 0 2px 4px -1px rgba(0,0,0,0.03);
  --bay-shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.08), 0 4px 6px -2px rgba(0,0,0,0.04);
  
  --bay-transition: all 0.2s cubic-bezier(0.22, 1, 0.36, 1);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bay-canvas: #121212;
    --bay-card: #1e1e1e;
    --bay-text: #e4e4e4;
    --bay-text-light: #a3a3a3;
    --bay-border: #333333;
    --bay-primary: #4a7c59;
    --bay-primary-light: #5a9168;
    --bay-accent: #f59e0b;
  }
}

:root[data-theme="dark"] {
  --bay-canvas: #121212;
  --bay-card: #1e1e1e;
  --bay-text: #e4e4e4;
  --bay-text-light: #a3a3a3;
  --bay-border: #333333;
  --bay-primary: #4a7c59;
  --bay-primary-light: #5a9168;
  --bay-accent: #f59e0b;
}

/* ========================================
   2. MICRO-INTERACTIONS (< 300ms)
   ======================================== */
.bay-unified-overlay * { transition: var(--bay-transition); }

@keyframes bay-shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-4px); }
  75% { transform: translateX(4px); }
}

@keyframes bay-pop {
  0% { transform: scale(1); }
  50% { transform: scale(1.03); }
  100% { transform: scale(1); }
}

@keyframes bay-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.7; }
}

@keyframes bay-slideDown {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}

.bay-feedback-correct {
  animation: bay-pop 0.25s ease;
  border-color: var(--bay-success) !important;
  background: var(--bay-success-bg) !important;
}

.bay-feedback-incorrect {
  animation: bay-shake 0.2s ease;
  border-color: var(--bay-error) !important;
  background: var(--bay-error-bg) !important;
}

.bay-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.65rem 1.25rem;
  border-radius: 10px;
  border: none;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
  box-shadow: var(--bay-shadow);
}

.bay-btn:hover {
  transform: translateY(-1px);
  box-shadow: var(--bay-shadow-lg);
}

.bay-btn:active {
  transform: translateY(0);
}

.bay-btn-primary {
  background: linear-gradient(135deg, var(--bay-primary) 0%, var(--bay-primary-light) 100%);
  color: white;
}

.bay-btn-accent {
  background: linear-gradient(135deg, var(--bay-accent) 0%, var(--bay-accent-light) 100%);
  color: #1a1a1a;
}

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

/* ========================================
   3. SEGMENTED PROGRESS BAR
   ======================================== */
.bay-progress-segments {
  display: flex;
  gap: 4px;
  padding: 0.5rem 0;
}

.bay-segment {
  flex: 1;
  height: 6px;
  border-radius: 3px;
  background: var(--bay-border);
  transition: background 0.25s ease;
}

.bay-segment.filled {
  background: linear-gradient(90deg, var(--bay-primary) 0%, var(--bay-primary-light) 100%);
}

.bay-segment.current {
  background: var(--bay-accent);
  animation: bay-pulse 1.5s infinite;
}

/* ========================================
   4. STREAK & SOCIAL PROOF PILL
   ======================================== */
.bay-pill-bar {
  display: flex;
  gap: 0.75rem;
  align-items: center;
  flex-wrap: wrap;
}

.bay-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.35rem 0.85rem;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 600;
  background: var(--bay-card);
  border: 1px solid var(--bay-border);
  color: var(--bay-text);
  box-shadow: var(--bay-shadow);
}

.bay-pill.streak {
  background: linear-gradient(135deg, #fff7ed 0%, #ffedd5 100%);
  border-color: #fed7aa;
  color: #9a3412;
}

.bay-pill.progress {
  background: linear-gradient(135deg, #f0fdf4 0%, #dcfce7 100%);
  border-color: #bbf7d0;
  color: #166534;
}

/* ========================================
   Badges
   ======================================== */
.badge {
  display:inline-block;
  padding:0.15rem 0.45rem;
  border-radius:999px;
  font-size:0.75rem;
  font-weight:600;
  text-transform:uppercase;
  letter-spacing:0.02em;
}
.badge-success {
  background:#dcfce7;
  color:#166534;
  border:1px solid #bbf7d0;
}

/* ========================================
   5. UNLOCK CARD (Freemium Visual)
   ======================================== */
.bay-unlock-card {
  background: linear-gradient(135deg, #fffbeb 0%, #fef3c7 50%, #fffbeb 100%);
  border: 2px solid var(--bay-accent);
  border-radius: var(--bay-radius);
  padding: 1.25rem;
  box-shadow: var(--bay-shadow-lg);
  max-width: 380px;
  animation: bay-slideDown 0.4s ease;
}

.bay-unlock-card h4 {
  margin: 0 0 0.5rem;
  font-size: 1.1rem;
  color: #92400e;
}

.bay-unlock-card p {
  margin: 0 0 0.75rem;
  font-size: 0.9rem;
  color: #78350f;
}

.bay-unlock-card ul {
  margin: 0 0 1rem;
  padding-left: 1.25rem;
  font-size: 0.85rem;
  color: #78350f;
}

.bay-unlock-card li {
  margin-bottom: 0.25rem;
}

.bay-unlock-card .bay-btn {
  width: 100%;
}

.bay-unlock-card .dismiss {
  position: absolute;
  top: 0.5rem;
  right: 0.5rem;
  background: none;
  border: none;
  font-size: 1.1rem;
  cursor: pointer;
  opacity: 0.6;
  color: #78350f;
}

.bay-unlock-card .dismiss:hover {
  opacity: 1;
}

/* ========================================
   6. EXERCISE CARD NORMALIZATION
   ======================================== */
.bay-theory-card {
  background: var(--bay-card);
  border: 1px solid var(--bay-border);
  border-radius: var(--bay-radius);
  padding: 1.5rem;
  margin-bottom: 1rem;
  box-shadow: var(--bay-shadow);
  max-width: 70ch;
}

.bay-theory-card h3,
.bay-theory-card h4 {
  margin-top: 0;
  margin-bottom: 0.75rem;
  color: var(--bay-primary);
}

.bay-theory-card p {
  margin: 0 0 0.75rem;
  line-height: 1.65;
}

.bay-theory-card p:last-child {
  margin-bottom: 0;
}

/* ========================================
   7. DARK MODE TYPOGRAPHY FIXES
   ======================================== */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) body,
  :root:not([data-theme="light"]) .bay-theory-card,
  :root:not([data-theme="light"]) .bay-pill {
    font-weight: 500;
  }
  
  :root:not([data-theme="light"]) .bay-btn-secondary {
    background: #262626;
    border-color: #404040;
  }
}

:root[data-theme="dark"] body,
:root[data-theme="dark"] .bay-theory-card,
:root[data-theme="dark"] .bay-pill {
  font-weight: 500;
}

:root[data-theme="dark"] .bay-btn-secondary {
  background: #262626;
  border-color: #404040;
}

/* ========================================
   8. SOCIAL PROOF BAR
   ======================================== */
.bay-social-bar {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  background: var(--bay-success-bg);
  border: 1px solid #bbf7d0;
  border-radius: var(--bay-radius);
  color: #166534;
  font-size: 0.9rem;
  font-weight: 500;
}

.bay-social-bar .avatar-stack {
  display: flex;
}

.bay-social-bar .avatar-stack span {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--bay-primary);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  margin-left: -6px;
  border: 2px solid var(--bay-success-bg);
}

.bay-social-bar .avatar-stack span:first-child {
  margin-left: 0;
}