/* ==========================================================================
   MAB QUIZ BATTLE - GLOBAL STYLES & DESIGN SYSTEM
   Modern, Colorful, Professional Educational Gaming Platform
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@400;500;600;700;800;900&family=Plus+Jakarta+Sans:wght@400;500;600;700;800&family=JetBrains+Mono:wght@500;700&display=swap');

:root {
  /* Brand Theme Colors */
  --bg-dark: #0b0f19;
  --bg-surface: #131b2e;
  --bg-card: #1c2742;
  --bg-card-hover: #243256;
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-glow: rgba(99, 102, 241, 0.3);

  /* Primary Brand Accents */
  --primary: #4f46e5;
  --primary-hover: #4338ca;
  --primary-light: #818cf8;
  --accent-cyan: #06b6d4;
  --accent-purple: #8b5cf6;
  --accent-amber: #f59e0b;
  --accent-emerald: #10b981;
  --accent-rose: #f43f5e;
  
  /* Dynamic Orange & Green Vibrant Palette */
  --accent-orange: #f97316;
  --accent-orange-bright: #fb923c;
  --accent-orange-deep: #ea580c;
  --accent-orange-glow: rgba(249, 115, 22, 0.4);
  
  --accent-green: #10b981;
  --accent-green-bright: #22c55e;
  --accent-green-emerald: #059669;
  --accent-green-glow: rgba(34, 197, 94, 0.4);
  --accent-lime: #84cc16;

  /* Quiz Answer Palette (The High-Contrast Competition Standard) */
  --ans-a: #ef4444; /* Crimson Red */
  --ans-a-glow: rgba(239, 68, 68, 0.35);
  --ans-b: #2563eb; /* Cobalt Blue */
  --ans-b-glow: rgba(37, 99, 235, 0.35);
  --ans-c: #f97316; /* Energetic Orange */
  --ans-c-glow: rgba(249, 115, 22, 0.4);
  --ans-d: #10b981; /* Emerald Green */
  --ans-d-glow: rgba(16, 185, 129, 0.4);

  /* Neutrals & Text */
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --text-dark: #0f172a;

  /* Typography */
  --font-display: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* Layout & Elevations */
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-full: 9999px;

  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.25);
  --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 rgba(99, 102, 241, 0.4);
}

/* Light Theme for Admin Workspaces */
body.light-admin {
  --bg-dark: #f8fafc;
  --bg-surface: #ffffff;
  --bg-card: #ffffff;
  --bg-card-hover: #f1f5f9;
  --border-subtle: #e2e8f0;
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #94a3b8;
}

/* Box Sizing & Resets */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html, body {
  min-height: 100%;
  font-family: var(--font-body);
  background-color: var(--bg-dark);
  color: var(--text-primary);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

/* Background Atmospheric Gradient Mesh */
.app-bg-mesh {
  position: fixed;
  inset: 0;
  z-index: -1;
  overflow: hidden;
  background: 
    radial-gradient(circle at 12% 15%, rgba(249, 115, 22, 0.16) 0%, transparent 42%),
    radial-gradient(circle at 88% 20%, rgba(34, 197, 94, 0.16) 0%, transparent 45%),
    radial-gradient(circle at 50% 85%, rgba(16, 185, 129, 0.12) 0%, transparent 50%),
    radial-gradient(circle at 75% 80%, rgba(234, 88, 12, 0.10) 0%, transparent 45%),
    #0b0f19;
  pointer-events: none;
}

/* Perspective grid gives the shared background a subtle 3D arena depth. */
.app-bg-mesh::before {
  content: "";
  position: absolute;
  left: -15%;
  right: -15%;
  top: 42%;
  height: 72%;
  opacity: 0.28;
  transform: perspective(520px) rotateX(62deg);
  transform-origin: center top;
  background-image:
    linear-gradient(rgba(56, 189, 248, 0.22) 1px, transparent 1px),
    linear-gradient(90deg, rgba(249, 115, 22, 0.18) 1px, transparent 1px);
  background-size: 52px 52px;
  mask-image: linear-gradient(to bottom, transparent, #000 22%, #000 78%, transparent);
  animation: arenaGridDrift 18s linear infinite;
}

.app-bg-mesh::after {
  content: "";
  position: absolute;
  width: 46vw;
  height: 46vw;
  min-width: 300px;
  min-height: 300px;
  right: -12vw;
  top: 8vh;
  border: 1px solid rgba(56, 189, 248, 0.16);
  border-radius: 50%;
  box-shadow:
    0 0 0 28px rgba(249, 115, 22, 0.04),
    0 0 0 56px rgba(34, 197, 94, 0.035);
  transform: perspective(700px) rotateX(64deg) rotateZ(-18deg);
  animation: arenaRingFloat 12s ease-in-out infinite;
}

@keyframes arenaGridDrift {
  from { background-position: 0 0, 0 0; }
  to { background-position: 0 52px, 52px 0; }
}

@keyframes arenaRingFloat {
  0%, 100% { transform: perspective(700px) rotateX(64deg) rotateZ(-18deg) translate3d(0, 0, 0); }
  50% { transform: perspective(700px) rotateX(64deg) rotateZ(-12deg) translate3d(-2vw, 2vh, 0); }
}

@media (prefers-reduced-motion: reduce) {
  .app-bg-mesh::before,
  .app-bg-mesh::after {
    animation: none;
  }
}

/* Typography Helpers */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-primary);
}

a {
  color: inherit;
  text-decoration: none;
}

button, input, select, textarea {
  font-family: inherit;
  font-size: 1rem;
}

button {
  cursor: pointer;
  border: none;
  background: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Global Buttons */
.btn {
  padding: 0.85rem 1.75rem;
  border-radius: var(--radius-md);
  font-weight: 700;
  font-family: var(--font-display);
  letter-spacing: 0.02em;
  font-size: 1rem;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

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

.btn-primary {
  background: linear-gradient(135deg, #f97316 0%, #ea580c 50%, #4f46e5 100%);
  color: #ffffff;
  box-shadow: 0 4px 18px rgba(249, 115, 22, 0.35);
}

.btn-primary:hover {
  background: linear-gradient(135deg, #ea580c 0%, #c2410c 50%, #4338ca 100%);
  box-shadow: 0 6px 24px rgba(249, 115, 22, 0.55);
  transform: translateY(-2px);
}

.btn-orange {
  background: linear-gradient(135deg, #f97316 0%, #ea580c 100%);
  color: #ffffff;
  box-shadow: 0 4px 18px rgba(249, 115, 22, 0.45);
}

.btn-orange:hover {
  background: linear-gradient(135deg, #ea580c 0%, #c2410c 100%);
  box-shadow: 0 6px 24px rgba(249, 115, 22, 0.65);
  transform: translateY(-2px);
}

.btn-green, .btn-emerald {
  background: linear-gradient(135deg, #22c55e 0%, #10b981 100%);
  color: #ffffff;
  box-shadow: 0 4px 18px rgba(34, 197, 94, 0.45);
}

.btn-green:hover, .btn-emerald:hover {
  background: linear-gradient(135deg, #16a34a 0%, #059669 100%);
  box-shadow: 0 6px 24px rgba(34, 197, 94, 0.65);
  transform: translateY(-2px);
}

.btn-orange-green {
  background: linear-gradient(135deg, #f97316 0%, #10b981 100%);
  color: #ffffff;
  box-shadow: 0 4px 18px rgba(249, 115, 22, 0.35);
}

.btn-orange-green:hover {
  background: linear-gradient(135deg, #ea580c 0%, #059669 100%);
  box-shadow: 0 6px 24px rgba(16, 185, 129, 0.5);
  transform: translateY(-2px);
}

.btn-cyan {
  background: linear-gradient(135deg, #06b6d4 0%, #0ea5e9 100%);
  color: #ffffff;
  box-shadow: 0 4px 18px rgba(6, 182, 212, 0.4);
}

.btn-cyan:hover {
  background: linear-gradient(135deg, #0891b2 0%, #0284c7 100%);
  box-shadow: 0 6px 24px rgba(6, 182, 212, 0.6);
  transform: translateY(-2px);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-primary);
  border: 1px solid var(--border-subtle);
  backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.14);
  border-color: rgba(255, 255, 255, 0.2);
}

.btn-lg {
  padding: 1.1rem 2.2rem;
  font-size: 1.15rem;
  border-radius: var(--radius-lg);
}

.btn-icon {
  padding: 0.6rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-secondary);
}

.btn-icon:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.1);
}

/* Badge Styles */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.badge-primary {
  background: rgba(79, 70, 229, 0.2);
  color: #a5b4fc;
  border: 1px solid rgba(79, 70, 229, 0.4);
}

.badge-cyan {
  background: rgba(6, 182, 212, 0.2);
  color: #67e8f9;
  border: 1px solid rgba(6, 182, 212, 0.4);
}

.badge-success {
  background: rgba(16, 185, 129, 0.2);
  color: #6ee7b7;
  border: 1px solid rgba(16, 185, 129, 0.4);
}

.badge-warning {
  background: rgba(245, 158, 11, 0.2);
  color: #fcd34d;
  border: 1px solid rgba(245, 158, 11, 0.4);
}

.badge-orange {
  background: rgba(249, 115, 22, 0.22);
  color: #fdba74;
  border: 1px solid rgba(249, 115, 22, 0.5);
  box-shadow: 0 0 10px rgba(249, 115, 22, 0.2);
}

.badge-green, .badge-emerald {
  background: rgba(34, 197, 94, 0.22);
  color: #86efac;
  border: 1px solid rgba(34, 197, 94, 0.5);
  box-shadow: 0 0 10px rgba(34, 197, 94, 0.2);
}

.badge-danger {
  background: rgba(239, 68, 68, 0.2);
  color: #fca5a5;
  border: 1px solid rgba(239, 68, 68, 0.4);
}

/* Card Containers */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  box-shadow: var(--shadow-md);
  position: relative;
}

.card-glass {
  background: rgba(28, 39, 66, 0.75);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

/* Navigation Header for Player Pages */
.player-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.5rem;
  width: 100%;
  max-width: 1000px;
  margin: 0 auto;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.brand-logo-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, #f97316 0%, #10b981 100%);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(249, 115, 22, 0.35);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.brand-logo-text {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1.35rem;
  letter-spacing: -0.02em;
  background: linear-gradient(to right, #ffffff, #fed7aa);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.brand-logo-text span {
  background: linear-gradient(to right, #fb923c, #22c55e);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Audio & Settings Widget */
.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

/* Toasts */
#toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 10px;
  pointer-events: none;
}

.toast {
  pointer-events: auto;
  min-width: 280px;
  max-width: 420px;
  background: #1e293b;
  color: #fff;
  padding: 12px 18px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: 0 10px 30px rgba(0,0,0,0.5);
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.95rem;
  animation: toastIn 0.3s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

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

@keyframes toastOut {
  from { opacity: 1; transform: translateY(0) scale(1); }
  to { opacity: 0; transform: translateY(10px) scale(0.95); }
}

/* Micro Animations */
@keyframes pulseGlow {
  0%, 100% { box-shadow: 0 0 15px rgba(99, 102, 241, 0.3); }
  50% { box-shadow: 0 0 30px rgba(99, 102, 241, 0.7); }
}

@keyframes urgentPulse {
  0%, 100% { transform: scale(1); border-color: #ef4444; }
  50% { transform: scale(1.05); border-color: #f87171; box-shadow: 0 0 25px rgba(239, 68, 68, 0.8); }
}

@keyframes floatAnim {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

.anim-float {
  animation: floatAnim 4s ease-in-out infinite;
}

/* Utilities */
.text-center { text-align: center; }
.text-muted { color: var(--text-muted); }
.text-secondary { color: var(--text-secondary); }
.font-mono { font-family: var(--font-mono); }
.hidden { display: none !important; }