/* ============================================================
   BullionPath — style.css | bullionpath.pro
   Color Scheme: Deep Navy + Gold + Royal Blue
   ============================================================ */

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

:root {
  /* Brand Colors */
  --gold:         #D4AF37;
  --gold-light:   #F0D060;
  --gold-dark:    #8B6914;
  --gold-dim:     rgba(212,175,55,0.15);
  --blue:         #1A3A6C;
  --blue-mid:     #1E4A8C;
  --blue-bright:  #4A90D9;
  --navy:         #060C18;
  --navy-mid:     #0B1830;
  --navy-card:    #0E1C38;
  --navy-panel:   #111B2E;

  /* Text */
  --text:         #E8D9B0;
  --text-dim:     #7A8FA8;
  --text-bright:  #F5EDD0;

  /* Semantic */
  --danger:       #C0392B;
  --success:      #27AE60;
  --border:       rgba(212,175,55,0.22);
  --border-blue:  rgba(74,144,217,0.22);

  /* Layout */
  --radius:       8px;
  --radius-lg:    14px;
  --shadow:       0 4px 28px rgba(0,0,0,0.6);
  --shadow-gold:  0 0 24px rgba(212,175,55,0.18);

  /* Typography */
  --font-title:   'Cinzel', 'Georgia', serif;
  --font-body:    'Inter', 'Segoe UI', sans-serif;
  --transition:   0.18s ease;
}

/* ── Reset ──────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--font-body);
  background: var(--navy);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  background-image:
    repeating-linear-gradient(135deg, rgba(212,175,55,0.03) 0 1px, transparent 1px 44px),
    repeating-linear-gradient(45deg, rgba(74,144,217,0.02) 0 1px, transparent 1px 44px);
}

a { color: var(--gold); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--gold-light); }

/* ── Header ─────────────────────────────────────────────────── */
header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 1.8rem;
  height: 64px;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(6,12,24,0.97);
  backdrop-filter: blur(10px);
  box-shadow: 0 2px 20px rgba(0,0,0,0.5);
}

/* ── Logo ───────────────────────────────────────────────────── */
.logo {
  font-family: var(--font-title);
  font-size: 1.3rem;
  font-weight: 900;
  letter-spacing: 3px;
  color: var(--text);
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
}

.logo::before {
  content: '◆';
  color: var(--gold);
  font-size: 0.9rem;
  filter: drop-shadow(0 0 6px rgba(212,175,55,0.6));
}

.logo span { color: var(--gold); }

/* ── Nav ────────────────────────────────────────────────────── */
nav {
  display: flex;
  gap: 0.2rem;
  align-items: center;
  flex-wrap: wrap;
}

nav a {
  color: var(--text-dim);
  font-weight: 600;
  font-size: 0.82rem;
  padding: 0.35rem 0.7rem;
  border-radius: 6px;
  letter-spacing: 0.4px;
  transition: color var(--transition), background var(--transition);
  white-space: nowrap;
}

nav a:hover,
nav a[style*="accent"] {
  color: var(--gold);
  background: var(--gold-dim);
}

/* ── Language Switcher ──────────────────────────────────────── */
#lang-switcher { position: relative; margin-left: 0.4rem; }

#lang-btn {
  background: rgba(212,175,55,0.08);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 0.32rem 0.7rem;
  border-radius: var(--radius);
  cursor: pointer;
  font-family: var(--font-body);
  font-size: 0.82rem;
  font-weight: 600;
  transition: border-color var(--transition), background var(--transition);
  display: flex;
  align-items: center;
  gap: 5px;
  white-space: nowrap;
}

#lang-btn:hover { border-color: var(--gold); background: var(--gold-dim); }

#lang-dropdown {
  display: none;
  position: absolute;
  right: 0;
  top: calc(100% + 6px);
  background: var(--navy-card);
  border-radius: var(--radius);
  min-width: 158px;
  z-index: 200;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  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: 0.55rem 0.9rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.55rem;
  font-size: 0.85rem;
  color: var(--text-dim);
  transition: background var(--transition), color var(--transition);
}

.lang-flag { font-size: 1.1rem; }
.lang-option:hover { background: var(--gold-dim); color: var(--text); }
.lang-option.active { color: var(--gold); font-weight: 700; background: rgba(212,175,55,0.08); }

/* ── Game Section ───────────────────────────────────────────── */
#game-section {
  max-width: 960px;
  margin: 0 auto;
  padding: 1.8rem 1.4rem 2.8rem;
}

/* ── HUD ────────────────────────────────────────────────────── */
#hud {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  align-items: center;
  margin-bottom: 1.1rem;
}

.hud-cell {
  background: var(--navy-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.4rem 1rem;
  min-width: 76px;
  transition: border-color var(--transition);
}

.hud-cell:hover { border-color: var(--gold); }

.hud-label {
  display: block;
  font-size: 0.6rem;
  color: var(--text-dim);
  letter-spacing: 1.5px;
  text-transform: uppercase;
  font-weight: 700;
  margin-bottom: 1px;
}

.hud-value {
  font-family: var(--font-title);
  font-size: 1.1rem;
  color: var(--gold);
  font-weight: 700;
  display: block;
  line-height: 1.2;
}

/* ── Action Button ──────────────────────────────────────────── */
#action-btn {
  margin-left: auto;
  background: linear-gradient(135deg, var(--gold) 0%, var(--gold-dark) 100%);
  border: none;
  color: var(--navy);
  font-family: var(--font-title);
  font-weight: 700;
  padding: 0.6rem 1.5rem;
  border-radius: var(--radius);
  cursor: pointer;
  letter-spacing: 2px;
  font-size: 0.9rem;
  text-transform: uppercase;
  transition: transform var(--transition), box-shadow var(--transition);
  box-shadow: 0 2px 14px rgba(212,175,55,0.35);
}

#action-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 22px rgba(212,175,55,0.5);
}

#action-btn:active { transform: translateY(0); }

/* ── Game Stage ─────────────────────────────────────────────── */
#game-stage {
  position: relative;
  background: var(--navy-mid);
  border-radius: var(--radius-lg);
  overflow: hidden;
  min-height: 440px;
  border: 2px solid var(--border);
  box-shadow: var(--shadow-gold), var(--shadow);
}

#canvas-wrap,
#game-board {
  width: 100%;
  min-height: 440px;
}

#game-canvas {
  display: block;
  width: 100%;
  height: 440px;
  cursor: crosshair;
  touch-action: none;
  user-select: none;
  -webkit-user-select: none;
}

#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(6,12,24,0.92);
  z-index: 5;
  text-align: center;
  padding: 2rem;
  backdrop-filter: blur(6px);
}

#overlay.hidden { display: none; }

.overlay-icon {
  font-size: 3.4rem;
  margin-bottom: 0.7rem;
  filter: drop-shadow(0 0 14px rgba(212,175,55,0.55));
  line-height: 1;
}

.overlay-title {
  font-family: var(--font-title);
  font-size: 2.1rem;
  color: var(--gold);
  margin-bottom: 0.55rem;
  letter-spacing: 5px;
  text-shadow: 0 0 36px rgba(212,175,55,0.4);
}

.overlay-sub {
  color: var(--text-dim);
  max-width: 440px;
  margin-bottom: 1.6rem;
  line-height: 1.65;
  font-size: 0.93rem;
}

.overlay-btn {
  background: linear-gradient(135deg, var(--gold) 0%, var(--gold-dark) 100%);
  border: none;
  padding: 0.9rem 2.4rem;
  border-radius: var(--radius);
  font-family: var(--font-title);
  font-weight: 700;
  cursor: pointer;
  color: var(--navy);
  font-size: 1rem;
  letter-spacing: 3px;
  text-transform: uppercase;
  transition: transform var(--transition), box-shadow var(--transition);
  box-shadow: 0 2px 18px rgba(212,175,55,0.4);
}

.overlay-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 30px rgba(212,175,55,0.55);
}

.overlay-btn:active { transform: translateY(0); }

/* ── Game Hint ──────────────────────────────────────────────── */
#game-hint {
  text-align: center;
  color: var(--text-dim);
  font-size: 0.82rem;
  margin-top: 0.9rem;
  letter-spacing: 0.3px;
  line-height: 1.55;
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
}

/* ── Section Heading ────────────────────────────────────────── */
.section-heading {
  font-family: var(--font-title);
  text-align: center;
  margin: 3rem 0 1.8rem;
  color: var(--text-dim);
  letter-spacing: 6px;
  font-size: 0.72rem;
  text-transform: uppercase;
  border-bottom: 1px solid var(--border);
  padding-bottom: 0.6rem;
  max-width: 960px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.4rem;
  padding-right: 1.4rem;
}

/* ── About Grid ─────────────────────────────────────────────── */
.about-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.2rem;
  max-width: 960px;
  margin: 0 auto 3rem;
  padding: 0 1.4rem;
}

.about-card {
  background: var(--navy-card);
  padding: 1.5rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  border-top: 3px solid var(--gold);
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}

.about-card:hover {
  border-color: var(--gold);
  box-shadow: var(--shadow-gold);
  transform: translateY(-2px);
}

.about-card h3 {
  color: var(--gold);
  margin-bottom: 0.8rem;
  font-size: 1rem;
  font-family: var(--font-title);
  letter-spacing: 1px;
}

.about-card p,
.about-card li {
  color: var(--text-dim);
  line-height: 1.65;
  font-size: 0.91rem;
  margin-bottom: 0.4rem;
}

.about-card ul { padding-left: 1.2rem; }

/* ── Policy Container ───────────────────────────────────────── */
.policy-container {
  background: var(--navy-card);
  padding: 2.2rem 2.8rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  border-left: 4px solid var(--gold);
  max-width: 960px;
  margin: 0 auto 3rem;
  box-shadow: var(--shadow);
}

.policy-container h2 {
  color: var(--gold);
  margin-bottom: 1.6rem;
  font-size: 1.8rem;
  font-family: var(--font-title);
  letter-spacing: 2px;
}

.policy-container h3 {
  color: var(--blue-bright);
  margin-top: 1.8rem;
  margin-bottom: 0.8rem;
  font-size: 1.05rem;
  font-family: var(--font-title);
  letter-spacing: 0.5px;
}

.policy-container p {
  color: var(--text-dim);
  line-height: 1.75;
  margin-bottom: 1rem;
  font-size: 0.93rem;
}

/* ── Controls ───────────────────────────────────────────────── */
.controls-grid {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.5rem 1rem;
  align-items: center;
}

.key {
  background: rgba(212,175,55,0.1);
  padding: 0.22rem 0.6rem;
  border-radius: 4px;
  font-size: 0.82rem;
  font-family: monospace;
  border: 1px solid var(--border);
  color: var(--gold);
}

.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 var(--border);
  margin-top: 2rem;
  background: rgba(6,12,24,0.8);
}

footer a { color: var(--text-dim); }
footer a:hover { color: var(--gold); }

/* ── Cookie 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: 800px;
  margin: 0 auto;
  background: var(--navy-card);
  border: 2px solid var(--gold);
  border-radius: var(--radius-lg);
  padding: 1.2rem 1.6rem 1.1rem;
  box-shadow: 0 -4px 32px rgba(212,175,55,0.16);
}

#cookie-title {
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--gold);
  margin: 0 0 0.5rem;
  font-family: var(--font-title);
}

#cookie-body {
  font-size: 0.82rem;
  color: var(--text-dim);
  margin: 0 0 1rem;
  line-height: 1.55;
}

#cookie-body a { color: var(--gold); text-decoration: underline; }

#cookie-actions {
  display: flex;
  gap: 0.8rem;
  flex-wrap: wrap;
}

#cookie-accept-btn,
#cookie-decline-btn {
  padding: 0.5rem 1.5rem;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  border-radius: var(--radius);
  cursor: pointer;
  transition: background var(--transition), color var(--transition), transform var(--transition);
  font-family: var(--font-title);
}

#cookie-accept-btn {
  background: var(--gold);
  color: var(--navy);
  border: 2px solid var(--gold);
}

#cookie-accept-btn:hover {
  background: var(--gold-light);
  transform: translateY(-1px);
}

#cookie-decline-btn {
  background: transparent;
  color: var(--gold);
  border: 2px solid var(--border);
}

#cookie-decline-btn:hover {
  border-color: var(--gold);
  background: var(--gold-dim);
}

/* ── Card Tile ──────────────────────────────────────────────── */
.card-tile {
  aspect-ratio: 1;
  background: rgba(0,0,0,0.3);
  border-radius: 5px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid var(--border);
  transition: border-color var(--transition), transform var(--transition);
}

.card-tile:hover { border-color: var(--gold); transform: scale(1.03); }
.card-tile.flipped { border-color: var(--gold); box-shadow: 0 0 14px rgba(212,175,55,0.4); }

/* ── Responsive ─────────────────────────────────────────────── */
@media (max-width: 640px) {
  header { padding: 0 1rem; height: 56px; gap: 0.5rem; flex-wrap: wrap; }
  .logo { font-size: 1.05rem; letter-spacing: 2px; }
  nav { gap: 0.1rem; }
  nav a { font-size: 0.74rem; padding: 0.28rem 0.5rem; }
  #game-section { padding: 1rem 0.8rem 1.5rem; }
  .about-grid { grid-template-columns: 1fr; padding: 0 0.8rem; }
  .policy-container { padding: 1.4rem 1.2rem; }
  .overlay-title { font-size: 1.5rem; }
  #cookie-inner { padding: 1rem; }
  #cookie-actions { flex-direction: column; }
  #cookie-accept-btn, #cookie-decline-btn { width: 100%; text-align: center; }
}

@media (max-width: 420px) {
  nav a:not([data-i18n="nav_play"]):not([data-i18n="nav_guide"]) { display: none; }
}