/* ========================================
   ASMULTIVERSE — Shared Design System
   ======================================== */

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

/* ---- Reset & Base ---- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', 'Outfit', system-ui, -apple-system, sans-serif;
  background: #000;
  color: #e5e5e5;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
  outline: none;
}

img {
  display: block;
  max-width: 100%;
}

input {
  font-family: inherit;
  outline: none;
  border: none;
}

/* ---- CSS Variables ---- */
:root {
  /* Green theme (batch listing) */
  --green-400: #4ade80;
  --green-500: #22c55e;
  --green-600: #16a34a;
  --emerald-400: #34d399;

  /* Cyan/Blue theme (batch detail + player) */
  --cyan: #00d4ff;
  --cyan-dark: #0099cc;
  --blue-400: #60a5fa;
  --blue-500: #3b82f6;
  --blue-600: #2563eb;

  /* Neutrals */
  --stone-200: #e7e5e4;
  --stone-400: #a8a29e;
  --stone-500: #78716c;
  --stone-600: #57534e;
  --stone-800: #292524;
  --stone-900: #1c1917;
  --stone-950: #0c0a09;

  /* Surfaces */
  --bg-primary: #000000;
  --bg-card: rgba(28, 25, 23, 0.4);
  --bg-glass: rgba(8, 12, 24, 0.92);
  --bg-glass-light: rgba(15, 20, 40, 0.85);
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-green: rgba(34, 197, 94, 0.4);
  --border-cyan: rgba(0, 212, 255, 0.18);

  /* Typography */
  --font-mono: 'JetBrains Mono', monospace;
  --font-display: 'Outfit', 'Inter', sans-serif;

  /* Animations */
  --ease-out-expo: cubic-bezier(0.2, 0.8, 0.2, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --ease-smooth: cubic-bezier(0.4, 0, 0.2, 1);

  /* Spacing */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --radius-2xl: 24px;
}

/* ---- Utility Classes ---- */
.no-scrollbar::-webkit-scrollbar { display: none; }
.no-scrollbar { -ms-overflow-style: none; scrollbar-width: none; }

.line-clamp-2 {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.backdrop-blur-sm { backdrop-filter: blur(4px); -webkit-backdrop-filter: blur(4px); }
.backdrop-blur-md { backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); }
.backdrop-blur-xl { backdrop-filter: blur(24px); -webkit-backdrop-filter: blur(24px); }

/* ---- GPU-Accelerated Animations ---- */
@keyframes fadeUp {
  from { opacity: 0; transform: translate3d(0, 20px, 0); }
  to { opacity: 1; transform: translate3d(0, 0, 0); }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes glideIn {
  0% { opacity: 0; transform: translate3d(0, 40px, 0) scale(0.96); }
  100% { opacity: 1; transform: translate3d(0, 0, 0) scale(1); }
}

@keyframes slideUpModal {
  from { transform: translate3d(0, 100%, 0); }
  to { transform: translate3d(0, 0, 0); }
}

@keyframes titleGlow {
  0%, 100% { filter: drop-shadow(0 0 20px rgba(34, 197, 94, 0.4)); }
  50% { filter: drop-shadow(0 0 40px rgba(34, 197, 94, 0.8)); }
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

@keyframes cardEnter {
  from { opacity: 0; transform: translateY(24px) scale(0.96); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

@keyframes shimmer {
  0% { background-position: -900px 0; }
  100% { background-position: 900px 0; }
}

@keyframes gentleBounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

@keyframes textShine {
  0% { background-position: 0% 50%; }
  100% { background-position: 200% 50%; }
}

@keyframes epicPop {
  0% { opacity: 0; transform: translate3d(0, 30px, 0) scale(0.8); }
  100% { opacity: 1; transform: translate3d(0, 0, 0) scale(1); }
}

/* Animation utility classes */
.animate-fade-up {
  animation: fadeUp 0.6s var(--ease-out-expo) forwards;
  opacity: 0;
  will-change: transform, opacity;
}

.animate-fade-in {
  animation: fadeIn 0.4s ease-out forwards;
}

.animate-glide {
  animation: glideIn 1s var(--ease-out-expo) forwards;
  will-change: transform, opacity;
}

.animate-title-glow {
  animation: titleGlow 3s ease-in-out infinite;
}

.animate-spin {
  animation: spin 1s linear infinite;
}

.animate-pulse {
  animation: pulse 2s ease-in-out infinite;
}

.animate-card-enter {
  animation: cardEnter 0.55s var(--ease-out-expo) both;
  opacity: 0;
}

.animate-shimmer {
  background: linear-gradient(90deg,
    rgba(30, 58, 138, 0.08) 0%,
    rgba(30, 58, 138, 0.04) 20%,
    rgba(59, 130, 246, 0.12) 50%,
    rgba(30, 58, 138, 0.04) 80%,
    rgba(30, 58, 138, 0.08) 100%
  );
  background-size: 900px 100%;
  animation: shimmer 2s ease-in-out infinite;
}

.modal-slide-up {
  animation: slideUpModal 0.4s var(--ease-spring) forwards;
  will-change: transform;
}

/* ---- Loading Spinner ---- */
.spinner {
  width: 48px;
  height: 48px;
  border: 4px solid rgba(255, 255, 255, 0.1);
  border-top-color: var(--green-500);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

.spinner-cyan {
  border-top-color: var(--cyan);
}

.spinner-sm {
  width: 32px;
  height: 32px;
  border-width: 3px;
}

/* ---- Responsive Container ---- */
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 16px;
}

/* ---- Selection Color ---- */
::selection {
  background: rgba(34, 197, 94, 0.3);
}

/* ---- Scrollbar (for content areas) ---- */
::-webkit-scrollbar {
  width: 4px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.15);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.25);
}

/* ---- Responsive Grid ---- */
.grid-batches {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  width: 100%;
}

@media (min-width: 640px) {
  .grid-batches {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }
}

@media (min-width: 1024px) {
  .grid-batches {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* ---- Safe Area Padding ---- */
@supports (padding-bottom: env(safe-area-inset-bottom)) {
  .pb-safe {
    padding-bottom: env(safe-area-inset-bottom);
  }
}