/* ============================================================
   COIN CLASH — style.css
   Dark Board Game · Street Gold · Carrom/Billiards Aesthetic
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Exo+2:wght@700;800&family=Nunito+Sans:wght@400;600;700;800&display=swap');

:root {
  --dark:      #0d1117;
  --panel:     #171e2b;
  --board:     #1c2535;
  --board-lt:  #26354b;
  --gold:      #6366f1;
  --gold-lt:   #c7d2fe;
  --gold-dk:   #3730a3;
  --gold-glow: rgba(99,102,241,.42);
  --red:       #ef4444;
  --cyan:      #818cf8;
  --green:     #22c55e;
  --white:     #eef2ff;
  --text:      #e8ecff;
  --text-dim:  #9ea8c3;
  --radius:    12px;
  --radius-lg: 22px;
  --shadow:    0 14px 30px rgba(0,0,0,0.45);
  --font-title:'Exo 2', sans-serif;
  --font-body: 'Nunito Sans', sans-serif;
}

*,*::before,*::after{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}

body{background:var(--dark);color:var(--text);font-family:var(--font-body);min-height:100vh;overflow-x:hidden;}
body::before{content:'';position:fixed;inset:0;background:repeating-linear-gradient(0deg,transparent,transparent 3px,rgba(0,0,0,0.1) 3px,rgba(0,0,0,0.1) 4px);pointer-events:none;z-index:0;}

/* ── HEADER ─────────────────────────────────────────────────── */
header{display:flex;align-items:center;justify-content:space-between;padding:12px 36px;background:var(--dark);border-bottom:2px solid #1e1e1e;position:sticky;top:0;z-index:100;box-shadow:0 4px 24px rgba(0,0,0,0.8);}
.logo{font-family:var(--font-title);font-size:1.9rem;letter-spacing:2px;color:var(--gold);text-shadow:0 0 20px var(--gold-glow),2px 2px 0 #5a4000;display:flex;align-items:center;gap:8px;}
.logo-icon{font-size:1.5rem;filter:drop-shadow(0 0 8px var(--gold));}
nav{display:flex;align-items:center;gap:22px;}
nav a{font-family:var(--font-body);font-weight:700;font-size:0.82rem;text-transform:uppercase;letter-spacing:0.5px;color:var(--text-dim);text-decoration:none;transition:color 0.2s;}
nav a:hover{color:var(--gold);}

#lang-switcher{position:relative;}
#lang-btn{font-family:var(--font-body);font-size:0.75rem;font-weight:700;padding:6px 12px;background:rgba(245,196,0,0.08);border:1px solid rgba(245,196,0,0.3);border-radius:var(--radius);color:var(--gold);cursor:pointer;transition:all 0.2s;display:flex;align-items:center;gap:6px;}
#lang-btn:hover{background:rgba(245,196,0,0.18);border-color:var(--gold);}
#lang-btn .arrow{font-size:0.6rem;opacity:0.7;transition:transform 0.2s;}
#lang-btn.open .arrow{transform:rotate(180deg);}
#lang-dropdown{display:none;position:absolute;top:calc(100% + 6px);right:0;background:var(--panel);border:1px solid #2a2a2a;border-radius:var(--radius);overflow:hidden;z-index:200;box-shadow:var(--shadow);min-width:140px;}
#lang-dropdown.open{display:block;}
.lang-option{display:flex;align-items:center;gap:8px;padding:9px 14px;font-family:var(--font-body);font-size:0.78rem;font-weight:700;color:var(--text-dim);cursor:pointer;transition:background 0.15s;border-bottom:1px solid #1e1e1e;}
.lang-option:last-child{border-bottom:none;}
.lang-option:hover{background:#222;color:var(--white);}
.lang-option.active{color:var(--gold);}
.lang-flag{font-size:1.1rem;line-height:1;}

/* ── GAME SECTION ───────────────────────────────────────────── */
#game-section{position:relative;z-index:1;display:flex;flex-direction:column;align-items:center;padding:18px 16px 48px;gap:12px;}

/* ── HUD ─────────────────────────────────────────────────────── */
#hud{display:flex;align-items:stretch;width:100%;max-width:620px;background:var(--panel);border:1px solid #222;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow);}
.hud-cell{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:1px;padding:10px 6px;border-right:1px solid #1e1e1e;}
.hud-cell:last-child{border-right:none;}
.hud-label{font-family:var(--font-body);font-size:0.5rem;font-weight:800;letter-spacing:2px;text-transform:uppercase;color:var(--text-dim);}
.hud-value{font-family:var(--font-title);font-size:1.4rem;color:var(--gold);line-height:1;text-shadow:0 0 10px var(--gold-glow);}

#hud-controls{display:flex;align-items:center;gap:6px;padding:0 10px;border-left:1px solid #1e1e1e;flex-shrink:0;}
.diff-btn{font-family:var(--font-body);font-size:0.7rem;font-weight:700;text-transform:uppercase;padding:5px 10px;background:transparent;border:1px solid #2a2a2a;border-radius:20px;color:var(--text-dim);cursor:pointer;transition:all 0.2s;touch-action:manipulation;}
.diff-btn.active,.diff-btn:hover{border-color:var(--gold);color:var(--gold);background:rgba(245,196,0,0.08);}
#start-btn{font-family:var(--font-title);font-size:1rem;letter-spacing:1px;padding:9px 18px;background:linear-gradient(135deg,var(--gold-dk),var(--gold));border:none;border-radius:var(--radius);color:var(--dark);cursor:pointer;transition:all 0.15s;box-shadow:0 0 16px var(--gold-glow);touch-action:manipulation;white-space:nowrap;}
#start-btn:hover{transform:translateY(-1px);box-shadow:0 0 28px var(--gold-glow);}
#start-btn:active{transform:scale(0.97);}

/* ── CANVAS WRAP ─────────────────────────────────────────────── */
#canvas-wrap{
  position:relative;width:100%;max-width:620px;
  border-radius:var(--radius-lg);overflow:hidden;
  border:3px solid #2a2a2a;
  box-shadow:var(--shadow),0 0 0 1px rgba(245,196,0,0.05);
  cursor:crosshair;
  aspect-ratio:1/1;  /* square board */
}
#game-canvas{display:block;width:100%;height:100%;background:var(--board);touch-action:none;user-select:none;}

/* score flash */
#score-flash{position:absolute;left:50%;top:30%;transform:translateX(-50%);font-family:var(--font-title);font-size:2.4rem;pointer-events:none;opacity:0;z-index:20;white-space:nowrap;text-shadow:0 0 20px currentColor;}
#score-flash.show{animation:flash-up 1.2s ease-out forwards;}
@keyframes flash-up{
  0%{opacity:1;transform:translateX(-50%) scale(0.8);}
  20%{opacity:1;transform:translateX(-50%) scale(1.12);}
  60%{opacity:1;transform:translateX(-50%) translateY(-40px) scale(1);}
  100%{opacity:0;transform:translateX(-50%) translateY(-80px) scale(0.9);}
}

/* ── OVERLAY ─────────────────────────────────────────────────── */
#overlay{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;padding:28px;background:rgba(0,0,0,0.93);backdrop-filter:blur(10px);transition:opacity 0.35s;z-index:30;border-radius:calc(var(--radius-lg) - 3px);}
#overlay.hidden{opacity:0;pointer-events:none;}
.overlay-icon{font-size:4.5rem;animation:spin-float 3s ease-in-out infinite;filter:drop-shadow(0 0 16px var(--gold-glow));}
@keyframes spin-float{0%,100%{transform:rotate(-10deg) translateY(0);}50%{transform:rotate(10deg) translateY(-12px);}}
.overlay-title{font-family:var(--font-title);font-size:2.8rem;letter-spacing:2px;color:var(--gold);text-align:center;text-shadow:0 0 30px var(--gold-glow),3px 3px 0 #5a4000;}
.overlay-sub{color:var(--text-dim);font-size:0.95rem;font-weight:700;text-align:center;max-width:380px;line-height:1.65;}
.overlay-btn{font-family:var(--font-title);font-size:1.1rem;letter-spacing:1.5px;padding:14px 52px;background:linear-gradient(135deg,var(--gold-dk),var(--gold));border:none;border-radius:var(--radius-lg);color:var(--dark);cursor:pointer;transition:all 0.2s;box-shadow:0 0 24px var(--gold-glow);touch-action:manipulation;}
.overlay-btn:hover{transform:translateY(-2px);box-shadow:0 0 40px var(--gold-glow);}
.overlay-btn:active{transform:scale(0.97);}
.legend{display:flex;gap:12px;flex-wrap:wrap;justify-content:center;}
.legend-item{display:flex;align-items:center;gap:5px;font-size:0.78rem;font-weight:700;color:var(--text-dim);}
.legend-dot{width:9px;height:9px;border-radius:50%;flex-shrink:0;}

/* ── ABOUT / LEGAL ───────────────────────────────────────────── */
.page-hero{position:relative;z-index:1;padding:52px 36px 40px;background:var(--panel);border-bottom:2px solid #1e1e1e;}
.page-hero h1{font-family:var(--font-title);font-size:2.6rem;letter-spacing:2px;color:var(--gold);margin-bottom:10px;text-shadow:0 0 20px var(--gold-glow),2px 2px 0 #5a4000;}
.page-hero .hero-icon{font-size:3.5rem;margin-bottom:14px;filter:drop-shadow(0 0 12px var(--gold-glow));}
.page-hero p{font-size:1.05rem;font-weight:600;color:var(--text-dim);max-width:640px;line-height:1.7;}

.content-section{position:relative;z-index:1;padding:52px 36px;max-width:960px;margin:0 auto;}
.content-section+.content-section{border-top:1px solid #1a1a1a;}
.section-heading{font-family:var(--font-title);font-size:1.7rem;letter-spacing:1.5px;color:var(--gold);margin-bottom:22px;display:flex;align-items:center;gap:14px;text-shadow:0 0 10px var(--gold-glow);}
.section-heading::after{content:'';flex:1;height:2px;background:linear-gradient(90deg,rgba(245,196,0,0.3),transparent);border-radius:1px;}

.card-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.info-card{background:var(--panel);border:1px solid #1e1e1e;border-radius:var(--radius-lg);padding:22px;border-left:3px solid var(--gold);transition:all 0.2s;}
.info-card:hover{border-color:var(--gold-lt);transform:translateY(-2px);}
.info-card h3{font-family:var(--font-title);font-size:1.05rem;color:var(--gold);margin-bottom:10px;}
.info-card p,.info-card li{color:var(--text-dim);font-size:0.95rem;line-height:1.75;font-weight:600;}
.info-card ul{padding-left:0;list-style:none;display:flex;flex-direction:column;gap:5px;}
.info-card li::before{content:'▸ ';color:var(--gold);}

.steps{display:flex;flex-direction:column;gap:14px;}
.step{display:flex;gap:16px;background:var(--panel);border-radius:var(--radius);padding:16px;border-left:3px solid var(--cyan);}
.step-num{font-family:var(--font-title);font-size:2rem;color:var(--cyan);flex-shrink:0;line-height:1;}
.step-body h4{font-family:var(--font-title);font-size:1rem;color:var(--white);margin-bottom:4px;}
.step-body p{color:var(--text-dim);font-size:0.95rem;line-height:1.65;font-weight:600;}

.controls-grid{display:grid;grid-template-columns:auto 1fr;gap:8px 14px;align-items:center;}
.key{background:rgba(245,196,0,0.08);border:1px solid rgba(245,196,0,0.25);border-radius:6px;padding:4px 12px;font-family:var(--font-body);font-size:0.8rem;font-weight:800;color:var(--gold);white-space:nowrap;}
.key-desc{color:var(--text-dim);font-size:0.9rem;font-weight:600;}

/* coin showcase */
.coin-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;}
.coin-card{background:var(--panel);border:1px solid #1e1e1e;border-radius:var(--radius-lg);padding:16px;text-align:center;transition:all 0.2s;}
.coin-card:hover{transform:translateY(-3px);border-color:#333;}
.coin-icon{font-size:2rem;margin-bottom:6px;}
.coin-card h4{font-family:var(--font-title);font-size:0.85rem;margin-bottom:3px;}
.coin-pts{font-family:var(--font-title);font-size:1.3rem;color:var(--gold);}

.legal-content{position:relative;z-index:1;padding:48px 36px;max-width:820px;margin:0 auto;}
.legal-content h2{font-family:var(--font-title);font-size:1.05rem;color:var(--gold);margin:32px 0 12px;letter-spacing:1px;}
.legal-content h2:first-child{margin-top:0;}
.legal-content p,.legal-content li{color:var(--text-dim);font-size:0.95rem;line-height:1.8;font-weight:600;margin-bottom:10px;}
.legal-content ul{padding-left:20px;margin-bottom:16px;}
.highlight{background:rgba(245,196,0,0.07);border-left:3px solid var(--gold);padding:12px 16px;border-radius:0 8px 8px 0;margin:16px 0;}
.legal-divider{height:1px;background:#1e1e1e;margin:28px 0;}
.last-updated{font-size:0.82rem;color:var(--text-dim);font-style:italic;margin-bottom:28px;}

.contact-row{display:flex;gap:14px;flex-wrap:wrap;}
.contact-card{flex:1;min-width:180px;background:var(--panel);border:1px solid #1e1e1e;border-radius:var(--radius-lg);padding:18px 22px;display:flex;flex-direction:column;gap:6px;}
.contact-card .label{font-size:0.6rem;font-weight:800;letter-spacing:2px;text-transform:uppercase;color:var(--text-dim);}
.contact-card a,.contact-card p{color:var(--gold);font-size:0.9rem;font-weight:700;text-decoration:none;transition:color 0.2s;word-break:break-all;}
.contact-card a:hover{color:var(--gold-lt);}

footer{position:relative;z-index:1;background:var(--dark);border-top:1px solid #1a1a1a;padding:18px 36px;display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px;}
.footer-left{font-family:var(--font-body);font-size:0.8rem;font-weight:700;color:var(--text-dim);}
.footer-links{display:flex;gap:18px;flex-wrap:wrap;}
.footer-links a{font-size:0.8rem;font-weight:700;text-transform:uppercase;color:var(--text-dim);text-decoration:none;transition:color 0.2s;}
.footer-links a:hover{color:var(--gold);}

/* ── RESPONSIVE ─────────────────────────────────────────────── */
@media(max-width:640px){
  header{padding:10px 16px;}.logo{font-size:1.45rem;}nav{gap:14px;}
  #game-section{padding:12px 8px 40px;gap:10px;}
  #canvas-wrap,#hud{max-width:100%;}
  .card-grid,.coin-grid{grid-template-columns:1fr 1fr;}
  .content-section{padding:40px 16px;}
  .page-hero{padding:36px 20px 28px;}.page-hero h1{font-size:2rem;}
  .legal-content{padding:36px 20px;}
  footer{padding:14px 20px;flex-direction:column;text-align:center;}
}
@media(max-width:480px){
  header{padding:8px 12px;}.logo{font-size:1.15rem;}
  nav a{display:none;}nav a.always{display:block;}
  #hud{flex-wrap:wrap;}
  .hud-cell{min-width:calc(33% - 2px);padding:7px 4px;}.hud-value{font-size:1.2rem;}
  #hud-controls{width:100%;justify-content:center;border-left:none;border-top:1px solid #1e1e1e;padding:8px;}
  .overlay-title{font-size:2.2rem;}.coin-grid{grid-template-columns:1fr 1fr 1fr;}
  #lang-dropdown{right:auto;left:0;}
}
@media(hover:none){
  .info-card:hover,.coin-card:hover{transform:none;}
  .overlay-btn:hover,#start-btn:hover{transform:none;}
  .overlay-btn:active,#start-btn:active{transform:scale(0.97);}
}


/* CoinStrike Zenith override */
body {
  background:
    radial-gradient(circle at 15% 15%, #6366f118 0%, transparent 18%),
    radial-gradient(circle at 84% 10%, #818cf816 0%, transparent 22%),
    linear-gradient(180deg, #0d1117 0%, #171e2b 100%);
}
header, .panel, .page-hero, .content-card, .glass, .overlay, .board-wrap {
  border-radius: 20px !important;
  box-shadow: 0 14px 36px rgba(0,0,0,.28), 0 0 0 1px #6366f122 inset !important;
}
.logo, h1, h2, h3, .title, .hero-title, .btn, button {
  letter-spacing: .04em;
}
button, .btn {
  border-radius: 999px !important;
  padding-inline: 1.05rem !important;
}
nav a, .content-card, .page-hero, section {
  padding-block: calc(0.2rem + 0.2vw);
}