@import url("https://fonts.googleapis.com/css2?family=Cinzel:wght@400;600;700&family=Nunito:wght@400;600;700&display=swap");
:root {
  --bg: #0A0F1E;
  --panel: #0E1628;
  --accent: #F0C040;
  --accent2: #38BDF8;
  --text: #E8E4F0;
  --text-dim: #6A7A9A;
  --danger: #CC2200;
  --success: #22C55E;
  --gold: #F0C040;
  --radius: 6px;
  --shadow: 0 4px 24px rgba(0,0,0,0.55);
  --font-title: 'Cinzel', serif;
  --font-body: 'Nunito', sans-serif;
  --transition: 0.18s ease;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background:
    radial-gradient(ellipse at 20% 10%, rgba(56,189,248,0.06) 0%, transparent 55%),
    radial-gradient(ellipse at 80% 90%, rgba(240,192,64,0.05) 0%, transparent 55%),
    var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  min-height: 100vh;
  font-size: 16px;
  line-height: 1.5;
}
a { color: var(--accent); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--accent2); }

/* Header */
header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.9rem 1.8rem;
  border-bottom: 1px solid rgba(240,192,64,0.3);
  backdrop-filter: blur(10px);
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10,15,30,0.96);
}
.logo { font-family: var(--font-title); font-size: 1.3rem; letter-spacing: 3px; color: var(--text); white-space: nowrap; }
.logo span { color: var(--accent); }
nav { display: flex; gap: 1.1rem; align-items: center; flex-wrap: wrap; }
nav a { color: var(--text-dim); font-weight: 700; letter-spacing: 0.5px; font-size: 0.88rem; padding: 0.2rem 0; border-bottom: 2px solid transparent; transition: color var(--transition), border-color var(--transition); }
nav a:hover { color: var(--text); border-bottom-color: var(--accent); }

/* Lang Switcher */
#lang-switcher { position: relative; }
#lang-btn { background: var(--panel); border: 1px solid rgba(240,192,64,0.3); color: var(--text); padding: 0.3rem 0.65rem; border-radius: var(--radius); cursor: pointer; font-family: var(--font-body); font-size: 0.85rem; transition: border-color var(--transition); }
#lang-btn:hover { border-color: var(--accent); }
#lang-dropdown { display: none; position: absolute; right: 0; top: calc(100% + 6px); background: var(--panel); border-radius: var(--radius); min-width: 148px; z-index: 200; box-shadow: var(--shadow); border: 1px solid rgba(240,192,64,0.2); overflow: hidden; }
#lang-dropdown.open { display: block; animation: fadeDown 0.14s ease; }
@keyframes fadeDown { from { opacity:0; transform:translateY(-6px) } to { opacity:1; transform:translateY(0) } }
.lang-option { padding: 0.5rem 0.8rem; cursor: pointer; display: flex; align-items: center; gap: 0.5rem; font-size: 0.88rem; transition: background var(--transition); }
.lang-flag { font-size: 1.1rem; }
.lang-option:hover, .lang-option.active { background: rgba(240,192,64,0.1); color: var(--accent); }

/* Game Section */
#game-section { max-width: 940px; margin: 0 auto; padding: 1.5rem 1.2rem 2.5rem; }
#hud { display: flex; flex-wrap: wrap; gap: 0.55rem; align-items: center; margin-bottom: 1rem; }
.hud-cell {
  background: rgba(240,192,64,0.04);
  border: none;
  border-left: 3px solid var(--accent);
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: 0.3rem 0.9rem;
  min-width: 74px;
  transition: border-color var(--transition), background var(--transition);
}
.hud-cell:hover { border-color: var(--accent2); background: rgba(56,189,248,0.06); }
.hud-label { display: block; font-size: 0.62rem; color: var(--text-dim); letter-spacing: 1.2px; text-transform: uppercase; }
.hud-value { font-family: var(--font-title); font-size: 1.1rem; color: var(--accent); font-weight: 700; }

/* Action Button */
#action-btn {
  margin-left: auto;
  background: linear-gradient(135deg, var(--accent), #C8960A);
  border: none;
  color: #0A0F1E;
  font-family: var(--font-title);
  font-weight: 700;
  padding: 0.6rem 1.6rem;
  border-radius: var(--radius);
  cursor: pointer;
  letter-spacing: 2px;
  font-size: 0.95rem;
  text-transform: uppercase;
  transition: transform var(--transition), box-shadow var(--transition);
  box-shadow: 0 2px 14px rgba(240,192,64,0.4);
}
#action-btn:hover { transform: translateY(-2px); box-shadow: 0 6px 22px rgba(240,192,64,0.55); }
#action-btn:active { transform: translateY(0); }

/* Game Stage */
#game-stage {
  position: relative;
  background: var(--panel);
  border-radius: var(--radius);
  overflow: hidden;
  min-height: 440px;
  border: 1px solid rgba(240,192,64,0.2);
  box-shadow: 0 0 50px rgba(56,189,248,0.05), inset 0 0 60px rgba(0,0,0,0.4);
}
#canvas-wrap, #game-board { width: 100%; min-height: 440px; }
#game-canvas { display: block; width: 100%; height: 440px; }
#game-board { display: grid; gap: 8px; padding: 16px; place-content: center; min-height: 440px; }

/* Overlay */
#overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: rgba(5,8,18,0.93);
  z-index: 5;
  text-align: center;
  padding: 2rem;
}
#overlay.hidden { display: none; }
.overlay-icon { font-size: 3.5rem; margin-bottom: 0.6rem; filter: drop-shadow(0 0 14px rgba(240,192,64,0.6)); }
.overlay-title {
  font-family: var(--font-title);
  font-size: 2.1rem;
  color: var(--accent);
  margin-bottom: 0.5rem;
  text-shadow: 0 0 32px rgba(240,192,64,0.5);
  letter-spacing: 4px;
}
.overlay-sub { color: var(--text-dim); max-width: 440px; margin-bottom: 1.4rem; line-height: 1.6; font-size: 0.95rem; }
.overlay-btn {
  background: linear-gradient(135deg, var(--accent), #C8960A);
  border: none;
  padding: 0.85rem 2.2rem;
  border-radius: var(--radius);
  font-family: var(--font-title);
  font-weight: 700;
  cursor: pointer;
  color: #0A0F1E;
  font-size: 1rem;
  letter-spacing: 3px;
  text-transform: uppercase;
  transition: transform var(--transition), box-shadow var(--transition);
  box-shadow: 0 2px 18px rgba(240,192,64,0.45);
}
.overlay-btn:hover { transform: translateY(-2px); box-shadow: 0 6px 28px rgba(240,192,64,0.6); }

/* Hint */
#game-hint { text-align: center; color: var(--text-dim); font-size: 0.83rem; margin-top: 0.8rem; letter-spacing: 0.3px; line-height: 1.5; }

/* Section Heading */
.section-heading {
  font-family: var(--font-title);
  text-align: center;
  margin: 2.8rem 0 1.6rem;
  color: var(--text-dim);
  letter-spacing: 5px;
  font-size: 0.75rem;
  text-transform: uppercase;
  border-bottom: 1px solid rgba(240,192,64,0.15);
  padding-bottom: 0.5rem;
}

/* About Grid */
.about-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 1.1rem; max-width: 940px; margin: 0 auto 2.5rem; padding: 0 1.2rem; }
.about-card {
  background: var(--panel);
  padding: 1.4rem;
  border-radius: var(--radius);
  border: 1px solid rgba(240,192,64,0.08);
  border-left: 3px solid var(--accent);
  transition: border-color var(--transition), box-shadow var(--transition);
}
.about-card:hover { border-color: rgba(240,192,64,0.3); box-shadow: 0 4px 24px rgba(56,189,248,0.1); }
.about-card h3 { color: var(--accent); margin-bottom: 0.7rem; font-size: 1rem; font-family: var(--font-title); }
.about-card p { color: var(--text-dim); line-height: 1.6; font-size: 0.92rem; margin-bottom: 0.5rem; }
.about-card li { color: var(--text-dim); line-height: 1.7; font-size: 0.92rem; }
.about-card ul { padding-left: 1.2rem; }

/* Policy Container */
.policy-container {
  background: var(--panel);
  padding: 2rem 2.5rem;
  border-radius: var(--radius);
  border: 1px solid rgba(240,192,64,0.1);
  border-left: 3px solid var(--accent);
  max-width: 1180px;
  margin: 2rem auto;
  box-shadow: var(--shadow);
}
.policy-container h2 { color: var(--accent); margin-bottom: 1.4rem; font-size: 1.7rem; font-family: var(--font-title); }
.policy-container h3 { color: var(--accent2); margin-top: 1.5rem; margin-bottom: 0.7rem; font-size: 1.05rem; font-family: var(--font-title); }
.policy-container p { color: var(--text-dim); line-height: 1.7; margin-bottom: 1rem; font-size: 0.95rem; }

/* Controls */
.controls-grid { display: grid; grid-template-columns: auto 1fr; gap: 0.4rem 0.9rem; align-items: center; }
.key { background: rgba(240,192,64,0.1); padding: 0.22rem 0.55rem; border-radius: 4px; font-size: 0.82rem; font-family: monospace; border: 1px solid rgba(240,192,64,0.25); }
.key-desc { color: var(--text-dim); font-size: 0.87rem; }

/* Footer */
footer {
  text-align: center;
  padding: 2rem 1rem;
  color: var(--text-dim);
  font-size: 0.82rem;
  border-top: 1px solid rgba(240,192,64,0.2);
  margin-top: 2rem;
}

/* Card Tile */
.card-tile { aspect-ratio: 1; background: rgba(0,0,0,0.3); border-radius: 6px; cursor: pointer; display: flex; align-items: center; justify-content: center; border: 2px solid rgba(240,192,64,0.15); transition: border-color var(--transition), transform var(--transition); }
.card-tile:hover { border-color: rgba(240,192,64,0.4); transform: scale(1.03); }
.card-tile.flipped { border-color: var(--accent); box-shadow: 0 0 14px rgba(240,192,64,0.4); }

/* Responsive */
@media (max-width: 640px) {
  header { padding: 0.7rem 1rem; gap: 0.5rem; flex-wrap: wrap; }
  nav { gap: 0.7rem; }
  nav a { font-size: 0.78rem; }
  #game-section { padding: 1rem 0.7rem 1.5rem; }
  .about-grid { grid-template-columns: 1fr; padding: 0 0.7rem; }
  .policy-container { padding: 1.2rem 1rem; }
  .overlay-title { font-size: 1.4rem; }
}

/* Cookie Consent Banner */
#cookie-banner {
  display: none;
  position: fixed;
  bottom: 0; left: 0; right: 0;
  z-index: 9999;
  padding: 0 1rem 1rem;
  pointer-events: none;
  transform: translateY(120%);
  transition: transform 0.4s cubic-bezier(0.22,1,0.36,1);
}
#cookie-banner.cookie-show {
  display: block;
  transform: translateY(0);
  pointer-events: auto;
}
#cookie-banner.cookie-hide {
  transform: translateY(120%);
  pointer-events: none;
}
#cookie-inner {
  max-width: 780px;
  margin: 0 auto;
  background: #080C1A;
  border: 1px solid rgba(240,192,64,0.4);
  border-radius: var(--radius);
  padding: 1.1rem 1.4rem 1rem;
  box-shadow: 0 -4px 32px rgba(56,189,248,0.08);
}
#cookie-title {
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 0.45rem;
}
#cookie-body {
  font-size: 0.82rem;
  color: var(--text-dim);
  margin: 0 0 0.9rem;
  line-height: 1.5;
}
#cookie-body a {
  color: var(--accent);
  text-decoration: underline;
}
#cookie-actions {
  display: flex;
  gap: 0.7rem;
  flex-wrap: wrap;
}
#cookie-accept-btn,
#cookie-decline-btn {
  padding: 0.5rem 1.4rem;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  border: 2px solid var(--accent);
  border-radius: var(--radius);
  cursor: pointer;
  transition: background 0.18s, color 0.18s;
}
#cookie-accept-btn {
  background: var(--accent);
  color: #0A0F1E;
}
#cookie-accept-btn:hover {
  background: transparent;
  color: var(--accent);
}
#cookie-decline-btn {
  background: transparent;
  color: var(--accent);
}
#cookie-decline-btn:hover {
  background: var(--accent);
  color: #0A0F1E;
}
@media (max-width: 540px) {
  #cookie-inner { padding: 0.9rem 1rem 0.9rem; }
  #cookie-actions { flex-direction: column; }
  #cookie-accept-btn, #cookie-decline-btn { width: 100%; text-align: center; }
}