/* style.css — Coin Strike Breeze | naveruko.com */
@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@400;700;900&family=Exo+2:wght@300;400;600;700&display=swap');

:root {
  --clr-bg:       #0a0a1a;
  --clr-panel:    #0d0d2b;
  --clr-accent:   #7c4dff;
  --clr-accent2:  #ffd740;
  --clr-text:     #e8e0ff;
  --clr-dim:      #9988cc;
  --clr-danger:   #ff3d71;
  --clr-border:   rgba(124,77,255,0.22);
  --radius:       4px;
  --transition:   0.18s ease;
  --shadow:       0 4px 32px rgba(124,77,255,0.18);
  --font-title:   'Orbitron', sans-serif;
  --font-body:    'Exo 2', sans-serif;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--clr-bg);
  color: var(--clr-text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  min-height: 100vh;
}
a { color: var(--clr-accent); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--clr-accent2); }

/* ── Header ─────────────────────────────────────────────────── */
header {
  display: flex;
  align-items: center;
  gap: 1.2rem;
  padding: 0.9rem 2rem;
  background: var(--clr-panel);
  border-bottom: 2px solid var(--clr-accent);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 20px rgba(124,77,255,0.15);
}
.site-logo {
  font-family: var(--font-title);
  font-size: 1.3rem;
  font-weight: 900;
  color: var(--clr-text);
  letter-spacing: 2px;
  text-transform: uppercase;
  white-space: nowrap;
}
.site-logo span { color: var(--clr-accent); }
nav { display: flex; gap: 1.1rem; align-items: center; flex-wrap: wrap; margin-left: auto; }
nav a {
  color: var(--clr-dim);
  font-weight: 600;
  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(--clr-text); border-bottom-color: var(--clr-accent); }

/* ── Lang Switcher ───────────────────────────────────────────── */
#lang-switcher { position: relative; }
#lang-btn {
  background: var(--clr-panel);
  border: 1px solid rgba(124,77,255,0.3);
  color: var(--clr-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(--clr-accent); }
#lang-dropdown {
  display: none;
  position: absolute;
  right: 0;
  top: calc(100% + 6px);
  background: var(--clr-panel);
  border-radius: var(--radius);
  min-width: 148px;
  z-index: 200;
  box-shadow: var(--shadow);
  border: 1px solid rgba(124,77,255,0.25);
  overflow: hidden;
}
#lang-dropdown.open { display: block; animation: csb-fadeDown 0.14s ease; }
@keyframes csb-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(124,77,255,0.12); color: var(--clr-accent); }

/* ── Game Section ────────────────────────────────────────────── */
#game-section { max-width: 960px; margin: 0 auto; padding: 1.5rem 1.2rem 2.5rem; }
#score-panel { display: flex; flex-wrap: wrap; gap: 0.55rem; align-items: center; margin-bottom: 1rem; }
.score-cell {
  background: transparent;
  border: none;
  border-left: 3px solid var(--clr-accent);
  border-radius: 0;
  padding: 0.3rem 0.9rem;
  min-width: 74px;
  transition: border-color var(--transition);
}
.score-cell:hover { border-color: var(--clr-accent2); }
.score-lbl { display: block; font-size: 0.62rem; color: var(--clr-dim); letter-spacing: 1.2px; text-transform: uppercase; }
.score-val { font-family: var(--font-title); font-size: 1.1rem; color: var(--clr-accent); font-weight: 700; }

/* ── Action Button ───────────────────────────────────────────── */
#ctrl-btn {
  margin-left: auto;
  background: linear-gradient(135deg, var(--clr-accent), color-mix(in srgb, var(--clr-accent), #000 30%));
  border: none;
  color: #fff;
  font-family: var(--font-title);
  font-weight: 700;
  padding: 0.6rem 1.4rem;
  border-radius: var(--radius);
  cursor: pointer;
  letter-spacing: 2px;
  font-size: 1rem;
  text-transform: uppercase;
  transition: transform var(--transition), box-shadow var(--transition);
  box-shadow: 0 2px 12px color-mix(in srgb, var(--clr-accent), transparent 60%);
}
#ctrl-btn:hover { transform: translateY(-1px); box-shadow: 0 4px 20px color-mix(in srgb, var(--clr-accent), transparent 40%); }
#ctrl-btn:active { transform: translateY(0); }

/* ── Game Stage ──────────────────────────────────────────────── */
#game-stage {
  position: relative;
  background: var(--clr-panel);
  border-radius: var(--radius);
  overflow: hidden;
  min-height: 440px;
  border: 2px solid rgba(124,77,255,0.28);
  box-shadow: var(--shadow);
}
#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(0,0,0,0.92);
  z-index: 5;
  text-align: center;
  padding: 2rem;
}
#overlay.hidden { display: none; }
.ovl-icon { font-size: 3.2rem; margin-bottom: 0.6rem; }
.ovl-title {
  font-family: var(--font-title);
  font-size: 2rem;
  color: var(--clr-accent);
  margin-bottom: 0.5rem;
  text-shadow: 0 0 28px color-mix(in srgb, var(--clr-accent), transparent 50%);
  letter-spacing: 3px;
}
.ovl-sub { color: var(--clr-dim); max-width: 440px; margin-bottom: 1.4rem; line-height: 1.6; font-size: 0.95rem; }
.ovl-btn {
  background: linear-gradient(135deg, var(--clr-accent), color-mix(in srgb, var(--clr-accent), #000 25%));
  border: none;
  padding: 0.85rem 2rem;
  border-radius: var(--radius);
  font-family: var(--font-title);
  font-weight: 700;
  cursor: pointer;
  color: #fff;
  font-size: 1.05rem;
  letter-spacing: 3px;
  text-transform: uppercase;
  transition: transform var(--transition), box-shadow var(--transition);
  box-shadow: 0 2px 16px color-mix(in srgb, var(--clr-accent), transparent 55%);
}
.ovl-btn:hover { transform: translateY(-2px); box-shadow: 0 6px 24px color-mix(in srgb, var(--clr-accent), transparent 40%); }
.ovl-btn:active { transform: translateY(0); }

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

/* ── Section Heading ─────────────────────────────────────────── */
.page-heading {
  font-family: var(--font-title);
  text-align: center;
  margin: 2.8rem 0 1.6rem;
  color: var(--clr-accent);
  letter-spacing: 5px;
  font-size: 1.4rem;
  text-transform: uppercase;
}

/* ── Info Grid ───────────────────────────────────────────────── */
.info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.2rem;
  max-width: 1180px;
  margin: 0 auto 2rem;
  padding: 0 1.2rem;
}
.info-card {
  background: var(--clr-panel);
  border: 1px solid var(--clr-border);
  border-left: 3px solid var(--clr-accent);
  border-radius: var(--radius);
  padding: 1.5rem 1.6rem;
  box-shadow: var(--shadow);
  transition: border-color var(--transition), box-shadow var(--transition);
}
.info-card:hover { border-color: rgba(124,77,255,0.45); box-shadow: 0 6px 36px rgba(124,77,255,0.2); }
.info-card h3 {
  font-family: var(--font-title);
  color: var(--clr-accent2);
  font-size: 1rem;
  margin-bottom: 0.8rem;
  letter-spacing: 1px;
  text-transform: uppercase;
}
.info-card p { color: var(--clr-dim); line-height: 1.6; font-size: 0.92rem; margin-bottom: 0.5rem; }
.info-card a { color: var(--clr-accent); text-decoration: none; }
.info-card a:hover { text-decoration: underline; }
.info-card li { color: var(--clr-dim); line-height: 1.7; font-size: 0.92rem; }
.info-card ul { padding-left: 1.2rem; }

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

/* ── Controls ────────────────────────────────────────────────── */
.ctrl-grid { display: grid; grid-template-columns: auto 1fr; gap: 0.4rem 0.9rem; align-items: center; }
.kbd-key {
  background: rgba(124,77,255,0.1);
  padding: 0.22rem 0.55rem;
  border-radius: var(--radius);
  font-size: 0.82rem;
  font-family: monospace;
  border: 1px solid rgba(124,77,255,0.25);
  color: var(--clr-accent2);
}
.kbd-desc { color: var(--clr-dim); font-size: 0.87rem; }

/* ── Footer ──────────────────────────────────────────────────── */
footer {
  text-align: center;
  padding: 2rem 1rem;
  color: var(--clr-dim);
  font-size: 0.82rem;
  border-top: 2px solid var(--clr-accent);
  margin-top: 2rem;
}

/* ── Card Tile ───────────────────────────────────────────────── */
.tile-card {
  aspect-ratio: 1;
  background: rgba(0,0,0,0.3);
  border-radius: var(--radius);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid rgba(124,77,255,0.18);
  transition: border-color var(--transition), transform var(--transition);
}
.tile-card:hover { border-color: rgba(124,77,255,0.4); transform: scale(1.03); }
.tile-card.flipped { border-color: var(--clr-accent); box-shadow: 0 0 12px color-mix(in srgb, var(--clr-accent), transparent 55%); }

/* ── 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; }
  .info-grid { grid-template-columns: 1fr; padding: 0 0.7rem; }
  .policy-wrap { padding: 1.2rem 1rem; }
  .ovl-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: var(--clr-panel);
  border: 2px solid var(--clr-accent);
  border-radius: var(--radius);
  padding: 1.1rem 1.4rem 1rem;
  box-shadow: 0 -4px 28px rgba(124,77,255,0.15);
}
#cookie-title {
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--clr-accent);
  margin: 0 0 0.45rem;
}
#cookie-body { font-size: 0.82rem; color: var(--clr-dim); margin: 0 0 0.9rem; line-height: 1.5; }
#cookie-body a { color: var(--clr-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(--clr-accent);
  border-radius: var(--radius);
  cursor: pointer;
  transition: background 0.18s, color 0.18s;
}
#cookie-accept-btn { background: var(--clr-accent); color: #fff; }
#cookie-accept-btn:hover { background: transparent; color: var(--clr-accent); }
#cookie-decline-btn { background: transparent; color: var(--clr-accent); }
#cookie-decline-btn:hover { background: var(--clr-accent); color: #fff; }
@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; }
}