/* ==========================================================================
   TAMBOLA DESIGN SYSTEM & COMMON STYLES
   Mobile-First, Glassmorphism, Vibrant & High Contrast
   ========================================================================== */

:root {
  --bg-primary: #0a0d18;
  --bg-surface: #121829;
  --bg-surface-elevated: #1a2238;
  --bg-glass: rgba(26, 34, 56, 0.75);
  --border-glass: rgba(255, 255, 255, 0.08);
  --border-focus: rgba(99, 102, 241, 0.5);

  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;

  --accent-gold: #fbbf24;
  --accent-gold-glow: rgba(251, 191, 36, 0.3);
  --accent-indigo: #6366f1;
  --accent-indigo-light: #818cf8;
  --accent-emerald: #10b981;
  --accent-crimson: #ef4444;
  --accent-cyan: #06b6d4;

  --ticket-bg: #fffbf0;
  --ticket-border: #d97706;
  --ticket-cell-bg: #ffffff;
  --ticket-cell-empty: #f8f6f0;
  --ticket-cell-marked: #ef4444;
  --ticket-cell-text: #1e1b4b;
  --ticket-cell-marked-text: #ffffff;

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-full: 9999px;

  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.35);
  --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 25px var(--accent-gold-glow);

  --transition-fast: 0.15s ease;
  --transition-smooth: 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", sans-serif;
}

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

body {
  font-family: var(--font-family);
  background: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  line-height: 1.5;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  background-image: 
    radial-gradient(circle at 15% 15%, rgba(99, 102, 241, 0.15), transparent 40%),
    radial-gradient(circle at 85% 85%, rgba(251, 191, 36, 0.1), transparent 45%);
  background-attachment: fixed;
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-track {
  background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
  background: var(--bg-surface-elevated);
  border-radius: var(--radius-full);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--accent-indigo);
}

/* Typography Helpers */
h1, h2, h3, h4 {
  font-weight: 700;
  color: #ffffff;
  letter-spacing: -0.02em;
}

/* Glassmorphism Card */
.glass-card {
  background: var(--bg-glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 1rem;
  font-weight: 600;
  padding: 14px 22px;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
  touch-action: manipulation;
  user-select: none;
}

.btn:active {
  transform: scale(0.97);
}

.btn-primary {
  background: linear-gradient(135deg, #f59e0b, #d97706);
  color: #1e1b4b;
  font-weight: 700;
  box-shadow: 0 4px 14px rgba(245, 158, 11, 0.35);
}
.btn-primary:hover {
  box-shadow: 0 6px 20px rgba(245, 158, 11, 0.5);
}

.btn-indigo {
  background: linear-gradient(135deg, #6366f1, #4f46e5);
  color: #ffffff;
  box-shadow: 0 4px 14px rgba(99, 102, 241, 0.35);
}

.btn-emerald {
  background: linear-gradient(135deg, #10b981, #059669);
  color: #ffffff;
  box-shadow: 0 4px 14px rgba(16, 185, 129, 0.35);
}

.btn-outline {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-primary);
  border: 1px solid var(--border-glass);
}
.btn-outline:hover {
  background: rgba(255, 255, 255, 0.1);
}

/* Inputs */
.input-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 16px;
  text-align: left;
}

.input-label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.input-field {
  width: 100%;
  padding: 14px 16px;
  background: var(--bg-surface);
  border: 1.5px solid var(--border-glass);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 1rem;
  font-family: inherit;
  outline: none;
  transition: border-color var(--transition-fast);
}

.input-field:focus {
  border-color: var(--accent-indigo);
  background: var(--bg-surface-elevated);
}

/* Badges & Pills */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.badge-gold {
  background: rgba(251, 191, 36, 0.15);
  color: #fbbf24;
  border: 1px solid rgba(251, 191, 36, 0.3);
}

.badge-green {
  background: rgba(16, 185, 129, 0.15);
  color: #34d399;
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.badge-indigo {
  background: rgba(99, 102, 241, 0.15);
  color: #818cf8;
  border: 1px solid rgba(99, 102, 241, 0.3);
}

/* Modal Overlay */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  z-index: 9999;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-smooth);
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-content {
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-xl);
  padding: 24px;
  width: 100%;
  max-width: 480px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
  transform: translateY(20px) scale(0.95);
  transition: transform var(--transition-smooth);
}

.modal-overlay.active .modal-content {
  transform: translateY(0) scale(1);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.modal-close {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: var(--radius-sm);
}

/* Toast Alerts */
.toast-container {
  position: fixed;
  top: 16px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10000;
  display: flex;
  flex-direction: column;
  gap: 10px;
  width: 90%;
  max-width: 420px;
  pointer-events: none;
}

.toast {
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-glass);
  padding: 14px 18px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  color: #ffffff;
  font-size: 0.95rem;
  font-weight: 600;
  animation: toastSlideDown 0.3s cubic-bezier(0.16, 1, 0.3, 1) forwards;
  pointer-events: auto;
  display: flex;
  align-items: center;
  gap: 12px;
}

.toast.toast-success {
  border-left: 4px solid var(--accent-emerald);
}
.toast.toast-gold {
  border-left: 4px solid var(--accent-gold);
  background: #1e1b2e;
}
.toast.toast-error {
  border-left: 4px solid var(--accent-crimson);
}

@keyframes toastSlideDown {
  from {
    opacity: 0;
    transform: translateY(-20px) scale(0.95);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}