/* =========================================================
   style.css — Global design tokens, resets, base typography
   Chitra Prayog Games Portal
   ========================================================= */

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

/* -------------------- Design Tokens -------------------- */
:root {
  /* Color system */
  --color-bg: #09090b;
  --color-bg-elevated: #111114;
  --color-surface: #15151a;
  --color-surface-hover: #1c1c22;
  --color-border: rgba(255, 255, 255, 0.08);
  --color-border-strong: rgba(255, 255, 255, 0.14);

  --color-text-primary: #f4f4f5;
  --color-text-secondary: #a1a1aa;
  --color-text-muted: #71717a;

  --color-accent: #7c5cff;
  --color-accent-hover: #8f72ff;
  --color-accent-soft: rgba(124, 92, 255, 0.15);

  --color-accent-2: #00e0b8;
  --color-warning: #ffb020;
  --color-danger: #ff5470;

  --gradient-brand: linear-gradient(135deg, #7c5cff 0%, #00e0b8 100%);
  --gradient-overlay: linear-gradient(180deg, rgba(9,9,11,0) 0%, rgba(9,9,11,0.85) 70%, #09090b 100%);

  /* Typography */
  --font-display: 'Poppins', system-ui, sans-serif;
  --font-body: 'Inter', system-ui, sans-serif;

  /* Spacing scale */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
  --space-7: 48px;
  --space-8: 64px;
  --space-9: 96px;

  /* Radius */
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 999px;

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.45);
  --shadow-lg: 0 20px 50px rgba(0, 0, 0, 0.55);
  --shadow-glow: 0 0 0 1px rgba(124, 92, 255, 0.4), 0 8px 30px rgba(124, 92, 255, 0.25);

  /* Layout */
  --container-max: 1320px;
  --nav-height: 72px;

  /* Motion */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --transition-fast: 150ms var(--ease-out);
  --transition-base: 250ms var(--ease-out);
  --transition-slow: 450ms var(--ease-out);

  /* Z-index scale */
  --z-nav: 100;
  --z-overlay: 200;
  --z-modal: 300;
  --z-toast: 400;
}

/* -------------------- Reset -------------------- */
*, *::before, *::after { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text-primary);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  min-height: 100vh;
}

img, picture, svg, video { display: block; max-width: 100%; }

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

ul, ol { margin: 0; padding: 0; list-style: none; }

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

input { font-family: inherit; }

h1, h2, h3, h4, h5, h6 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.01em;
}

p { margin: 0; }

/* -------------------- Focus states (Accessibility) -------------------- */
:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

a:focus-visible, button:focus-visible, input:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* Skip-to-content link for keyboard users */
.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: var(--z-toast);
  background: var(--color-accent);
  color: #fff;
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-sm);
}
.skip-link:focus {
  left: var(--space-4);
  top: var(--space-4);
}

/* -------------------- Layout primitives -------------------- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-5);
}

.section {
  padding: var(--space-8) 0;
}

.section-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-4);
  margin-bottom: var(--space-5);
}

.section-header h2 {
  font-size: clamp(1.4rem, 2vw, 1.9rem);
  color: var(--color-text-primary);
}

.section-header .section-sub {
  color: var(--color-text-secondary);
  font-size: 0.95rem;
  font-weight: 400;
  font-family: var(--font-body);
}

.section-link {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-accent);
  white-space: nowrap;
  transition: color var(--transition-fast);
}
.section-link:hover { color: var(--color-accent-hover); }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent-2);
  margin-bottom: var(--space-2);
}

/* -------------------- Buttons -------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 12px 22px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: var(--radius-full);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast);
  white-space: nowrap;
}
.btn:active { transform: scale(0.97); }

.btn-primary {
  background: var(--gradient-brand);
  color: #09090b;
  box-shadow: var(--shadow-md);
}
.btn-primary:hover { box-shadow: var(--shadow-glow); transform: translateY(-1px); }

.btn-secondary {
  background: var(--color-surface);
  color: var(--color-text-primary);
  border: 1px solid var(--color-border-strong);
}
.btn-secondary:hover { background: var(--color-surface-hover); border-color: var(--color-accent); }

.btn-ghost {
  background: transparent;
  border: 1px solid var(--color-border-strong);
  color: var(--color-text-primary);
}
.btn-ghost:hover { background: var(--color-surface); }

.btn-sm { padding: 8px 16px; font-size: 0.85rem; }

/* -------------------- Badges & Chips -------------------- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  border-radius: var(--radius-full);
}
.badge-original { background: var(--color-accent-soft); color: var(--color-accent); }
.badge-partner { background: rgba(0, 224, 184, 0.12); color: var(--color-accent-2); }
.badge-new { background: rgba(255, 176, 32, 0.14); color: var(--color-warning); }

.chip {
  display: inline-flex;
  align-items: center;
  padding: 6px 14px;
  font-size: 0.82rem;
  font-weight: 500;
  border-radius: var(--radius-full);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
}
.chip:hover { border-color: var(--color-accent); color: var(--color-text-primary); }
.chip.active { background: var(--gradient-brand); color: #09090b; border-color: transparent; font-weight: 700; }

/* -------------------- Skeleton / loading -------------------- */
.skeleton {
  background: linear-gradient(100deg, var(--color-surface) 30%, var(--color-surface-hover) 50%, var(--color-surface) 70%);
  background-size: 200% 100%;
  animation: shimmer 1.4s infinite;
  border-radius: var(--radius-md);
}
@keyframes shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* -------------------- Empty states -------------------- */
.empty-state {
  text-align: center;
  padding: var(--space-8) var(--space-5);
  color: var(--color-text-secondary);
}
.empty-state .empty-icon { font-size: 2.5rem; margin-bottom: var(--space-3); }

/* -------------------- Utility -------------------- */
.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.text-secondary { color: var(--color-text-secondary); }
.text-muted { color: var(--color-text-muted); }

::selection { background: var(--color-accent); color: #fff; }

/* Scrollbar (progressive enhancement, webkit only) */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--color-bg); }
::-webkit-scrollbar-thumb { background: var(--color-surface-hover); border-radius: var(--radius-full); }
::-webkit-scrollbar-thumb:hover { background: var(--color-border-strong); }