/* ============================================
   aFunnyMoment - Retro Gaming Platform
   Design: Dark minimal + neon retro accents
   ============================================ */

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

:root {
  --bg:        #3d3d5c;
  --bg2:       #4a4a6e;
  --bg3:       #565680;
  --border:    #6e6e9a;
  --neon:      #00ff88;
  --neon2:     #ff3366;
  --neon3:     #3366ff;
  --text:      #e8e8f0;
  --muted:     #b0b0d0;
  --radius:    8px;
  --font-mono: 'Space Mono', monospace;
  --font-display: 'Orbitron', sans-serif;
  --font-sans: 'Inter', sans-serif;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
}

/* Scanline overlay */
body::before {
  content: '';
  position: fixed; inset: 0;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0,0,0,0.04) 2px,
    rgba(0,0,0,0.04) 4px
  );
  pointer-events: none;
  z-index: 9999;
}

/* ---- TYPOGRAPHY ---- */
h1,h2,h3,h4 { font-family: var(--font-display); font-weight: 700; line-height: 1.2; letter-spacing: .03em; }
a { color: var(--neon); text-decoration: none; transition: opacity .2s; }
a:hover { opacity: .75; }

/* ---- NAV ---- */
nav {
  position: sticky; top: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 24px;
  height: 60px;
  background: rgba(10,10,15,.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav-logo {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: .08em;
  color: var(--text);
  display: flex; align-items: center; gap: 8px;
}
.nav-logo span { color: var(--neon); }

.nav-links {
  display: flex; align-items: center; gap: 8px;
  list-style: none;
}
.nav-links a {
  color: var(--muted);
  font-size: .85rem;
  font-weight: 600;
  letter-spacing: .04em;
  padding: 6px 12px;
  border-radius: var(--radius);
  transition: color .2s, background .2s;
}
.nav-links a:hover, .nav-links a.active {
  color: var(--text);
  background: var(--bg3);
}
.nav-links .btn-nav {
  color: var(--bg);
  background: var(--neon);
  padding: 6px 16px;
  border-radius: var(--radius);
}
.nav-links .btn-nav:hover { opacity: .85; }

.nav-user {
  display: flex; align-items: center; gap: 8px;
  font-size: .85rem; color: var(--muted); font-family: var(--font-mono);
}
.nav-avatar {
  width: 32px; height: 32px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: .75rem; font-weight: 700; color: var(--bg);
}

/* Hamburger */
.nav-toggle { display: none; background: none; border: none; cursor: pointer; padding: 4px; }
.nav-toggle span {
  display: block; width: 24px; height: 2px;
  background: var(--text); border-radius: 2px;
  transition: transform .25s, opacity .25s;
  margin: 5px 0;
}

/* ---- HERO ---- */
.hero {
  text-align: center;
  padding: 80px 24px 60px;
  position: relative;
  overflow: hidden;
}
.hero::after {
  content: '';
  position: absolute;
  bottom: 0; left: 50%; transform: translateX(-50%);
  width: 600px; height: 1px;
  background: linear-gradient(90deg, transparent, var(--neon), transparent);
}
.hero-eyebrow {
  font-family: var(--font-mono);
  font-size: .75rem;
  color: var(--neon);
  letter-spacing: .15em;
  text-transform: uppercase;
  margin-bottom: 16px;
}
.hero h1 {
  font-size: clamp(2rem, 6vw, 4rem);
  color: var(--text);
  margin-bottom: 20px;
  letter-spacing: .06em;
  line-height: 1.25;
}
.hero h1 .accent { color: var(--neon); }
.hero p {
  color: var(--muted);
  max-width: 480px;
  margin: 0 auto 32px;
  font-size: 1.05rem;
}
.hero-glow {
  position: absolute; top: 20%; left: 50%; transform: translateX(-50%);
  width: 500px; height: 300px;
  background: radial-gradient(ellipse, rgba(0,255,136,.07) 0%, transparent 70%);
  pointer-events: none;
}

/* ---- BUTTONS ---- */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 24px;
  border-radius: var(--radius);
  font-family: var(--font-sans); font-size: .9rem; font-weight: 600;
  cursor: pointer; border: none; transition: all .2s; text-decoration: none;
}
.btn-primary {
  background: var(--neon); color: var(--bg);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(0,255,136,.3); opacity: 1; }
.btn-secondary {
  background: var(--bg3); color: var(--text);
  border: 1px solid var(--border);
}
.btn-secondary:hover { border-color: var(--neon); color: var(--neon); opacity: 1; }
.btn-danger { background: var(--neon2); color: #fff; }
.btn-sm { padding: 7px 14px; font-size: .8rem; }

/* ---- GAME CARDS ---- */
.games-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  padding: 48px 24px;
  max-width: 900px;
  margin: 0 auto;
}
.game-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  transition: transform .25s, border-color .25s, box-shadow .25s;
  cursor: pointer;
}
.game-card:hover {
  transform: translateY(-6px);
  border-color: var(--neon);
  box-shadow: 0 16px 40px rgba(0,255,136,.12);
}
.game-card-thumb {
  height: 180px;
  display: flex; align-items: center; justify-content: center;
  font-size: 5rem;
  position: relative; overflow: hidden;
}
.game-card-thumb.tetris-thumb {
  background: linear-gradient(135deg, #0a0a1a 0%, #1a0a3a 100%);
}
.game-card-thumb.space-thumb {
  background: linear-gradient(135deg, #0a0a0a 0%, #0a1a2a 100%);
}
.game-card-thumb canvas { position: absolute; opacity: .25; }
.game-card-body { padding: 20px; }
.game-card-body h3 {
  font-family: var(--font-display);
  font-size: 1rem; margin-bottom: 6px; letter-spacing: .05em;
}
.game-card-body p { color: var(--muted); font-size: .85rem; margin-bottom: 16px; }
.game-card-meta {
  display: flex; align-items: center; justify-content: space-between;
  font-family: var(--font-mono); font-size: .75rem; color: var(--muted);
}
.badge {
  display: inline-block;
  padding: 3px 8px; border-radius: 4px;
  font-size: .7rem; font-weight: 700; font-family: var(--font-mono);
  letter-spacing: .05em;
}
.badge-green { background: rgba(0,255,136,.12); color: var(--neon); }
.badge-red   { background: rgba(255,51,102,.12); color: var(--neon2); }
.badge-blue  { background: rgba(51,102,255,.12); color: var(--neon3); }

/* ---- LEADERBOARD ---- */
.leaderboard {
  max-width: 700px; margin: 0 auto; padding: 0 24px 48px;
}
.leaderboard h2 { font-size: 1.4rem; margin-bottom: 20px; display: flex; align-items: center; gap: 10px; }
.lb-table { width: 100%; border-collapse: collapse; }
.lb-table th, .lb-table td {
  padding: 12px 16px; text-align: left;
  border-bottom: 1px solid var(--border);
  font-size: .85rem;
}
.lb-table th { color: var(--muted); font-family: var(--font-mono); font-size: .72rem; letter-spacing: .1em; font-weight: 400; }
.lb-table tr:hover td { background: var(--bg2); }
.lb-rank { font-family: var(--font-mono); color: var(--muted); }
.lb-rank.gold   { color: #ffd700; }
.lb-rank.silver { color: #c0c0c0; }
.lb-rank.bronze { color: #cd7f32; }
.lb-score { font-family: var(--font-mono); color: var(--neon); font-weight: 700; }

/* ---- FORMS ---- */
.form-page {
  min-height: 100vh; display: flex; align-items: center; justify-content: center;
  padding: 24px;
}
.form-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 40px 36px;
  width: 100%; max-width: 420px;
}
.form-card h2 { margin-bottom: 8px; }
.form-card .subtitle { color: var(--muted); font-size: .9rem; margin-bottom: 28px; }
.form-group { margin-bottom: 18px; }
.form-group label {
  display: block; margin-bottom: 6px;
  font-size: .8rem; font-weight: 600; letter-spacing: .04em;
  color: var(--muted); text-transform: uppercase;
}
.form-group input {
  width: 100%; padding: 11px 14px;
  background: var(--bg3); border: 1px solid var(--border);
  border-radius: var(--radius); color: var(--text);
  font-family: var(--font-mono); font-size: .9rem;
  transition: border-color .2s;
}
.form-group input:focus {
  outline: none; border-color: var(--neon);
  box-shadow: 0 0 0 3px rgba(0,255,136,.1);
}
.form-footer { margin-top: 20px; text-align: center; font-size: .85rem; color: var(--muted); }
.alert {
  padding: 12px 16px; border-radius: var(--radius);
  font-size: .85rem; margin-bottom: 18px;
}
.alert-error   { background: rgba(255,51,102,.1); border: 1px solid rgba(255,51,102,.3); color: var(--neon2); }
.alert-success { background: rgba(0,255,136,.1); border: 1px solid rgba(0,255,136,.3); color: var(--neon); }

/* ---- GAME PAGE ---- */
.game-page {
  display: flex; flex-direction: column; align-items: center;
  padding: 24px 16px;
  min-height: calc(100vh - 60px);
}
.game-header {
  display: flex; align-items: center; justify-content: space-between;
  width: 100%; max-width: 700px;
  margin-bottom: 20px;
}
.game-title { font-size: 1.2rem; letter-spacing: .06em; }
.game-stats {
  display: flex; gap: 16px;
}
.stat-box {
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 8px 14px;
  text-align: center;
}
.stat-box .stat-label {
  font-size: .65rem; font-family: var(--font-mono);
  color: var(--muted); letter-spacing: .1em; text-transform: uppercase;
}
.stat-box .stat-value {
  font-size: 1.1rem; font-family: var(--font-mono);
  font-weight: 700; color: var(--neon);
}

#game-canvas-wrap {
  position: relative;
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  background: #000;
}
#game-canvas-wrap canvas {
  display: block;
}

/* ---- AD OVERLAY ---- */
.ad-overlay {
  position: fixed; inset: 0; z-index: 1000;
  background: rgba(0,0,0,.92);
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  padding: 24px;
}
.ad-overlay.hidden { display: none; }
.ad-container {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 32px;
  max-width: 480px; width: 100%;
  text-align: center;
}
.ad-container p {
  color: var(--muted); font-size: .85rem;
  margin-bottom: 20px;
}
.ad-slot {
  background: var(--bg3);
  border: 1px dashed var(--border);
  border-radius: 8px;
  min-height: 250px;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 20px; overflow: hidden;
}
.ad-countdown {
  font-family: var(--font-mono);
  font-size: .85rem; color: var(--muted);
  margin-bottom: 16px;
}
.ad-countdown span { color: var(--neon); font-size: 1rem; font-weight: 700; }

/* ---- SCORE MODAL ---- */
.modal-overlay {
  position: fixed; inset: 0; z-index: 900;
  background: rgba(0,0,0,.85);
  display: flex; align-items: center; justify-content: center;
  padding: 24px;
}
.modal-overlay.hidden { display: none; }
.modal {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 36px 32px;
  max-width: 420px; width: 100%;
  text-align: center;
  animation: modalIn .3s ease;
}
@keyframes modalIn {
  from { transform: scale(.92); opacity: 0; }
  to   { transform: scale(1); opacity: 1; }
}
.modal h2 { font-size: 1.8rem; margin-bottom: 8px; }
.modal .big-score {
  font-family: var(--font-mono);
  font-size: 3rem; font-weight: 700; color: var(--neon);
  margin: 16px 0;
}
.modal-actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; margin-top: 24px; }

/* ---- PROFILE / CHALLENGES ---- */
.page-wrap { max-width: 800px; margin: 0 auto; padding: 32px 24px; }
.section-title {
  font-family: var(--font-display);
  font-size: .85rem; margin-bottom: 16px; letter-spacing: .08em;
  display: flex; align-items: center; gap: 8px;
  padding-bottom: 12px; border-bottom: 1px solid var(--border);
}
.challenge-card {
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: 10px; padding: 16px 20px;
  margin-bottom: 12px;
  display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap;
}
.challenge-card .vs {
  font-family: var(--font-mono); font-size: .8rem; color: var(--muted);
}
.challenge-card .vs strong { color: var(--text); }

/* ---- FOOTER ---- */
footer {
  border-top: 1px solid var(--border);
  text-align: center;
  padding: 24px;
  color: var(--muted); font-size: .8rem; font-family: var(--font-mono);
}

/* ---- RESPONSIVE ---- */
@media (max-width: 640px) {
  nav { padding: 0 16px; }
  .nav-links { display: none; flex-direction: column; gap: 4px; }
  .nav-links.open {
    display: flex; position: absolute; top: 60px; left: 0; right: 0;
    background: var(--bg2); padding: 16px; border-bottom: 1px solid var(--border);
    z-index: 200;
  }
  .nav-toggle { display: block; }
  .hero { padding: 48px 16px 40px; }
  .games-grid { padding: 24px 16px; }
  .form-card { padding: 28px 20px; }
  .game-stats { gap: 8px; }
  .stat-box { padding: 6px 10px; }
  .stat-box .stat-value { font-size: .9rem; }
  .modal { padding: 28px 20px; }
  .modal .big-score { font-size: 2.2rem; }
}