*{margin:0;padding:0;box-sizing:border-box}
html,body{height:100%;overflow:hidden;font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;background:linear-gradient(135deg,#0f0c29,#302b63,#24243e);display:flex;align-items:center;justify-content:center;color:#e0e0e0}
#app{display:flex;flex-direction:column;align-items:center;gap:16px;padding:20px;width:100%;max-width:800px;animation:fadeIn .5s ease}
@keyframes fadeIn{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}
h1{font-size:1.5em;font-weight:700;background:linear-gradient(90deg,#f7971e,#ffd200);-webkit-background-clip:text;-webkit-text-fill-color:transparent;letter-spacing:-0.5px}
.glass{background:rgba(255,255,255,0.06);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border:1px solid rgba(255,255,255,0.1);border-radius:20px}
#game-area{display:flex;gap:20px;align-items:flex-start;flex-wrap:wrap;justify-content:center;width:100%}
#board-wrap{display:flex;justify-content:center;align-items:center;width:100%;padding:8px}
#board{display:grid;grid-template-columns:repeat(8,1fr);grid-template-rows:repeat(8,1fr);width:min(85vw,360px);height:min(85vw,360px);border-radius:8px;overflow:hidden;box-shadow:0 8px 32px rgba(0,0,0,0.5);border:2px solid rgba(255,255,255,0.15);transition:transform .4s ease}
.flip{transform:rotate(180deg)}
.sq{position:relative;display:flex;align-items:center;justify-content:center;cursor:pointer;user-select:none;-webkit-user-select:none;touch-action:manipulation}
.sq.light{background:#f0d9b5}.sq.dark{background:#b58863}
.sq.selected{background:#f6f669!important}.sq.legal::after{content:'';position:absolute;width:26%;height:26%;border-radius:50%;background:rgba(0,0,0,0.15);pointer-events:none;z-index:1}.sq.capture-legal::after{width:85%;height:85%;border-radius:50%;border:4px solid rgba(0,0,0,0.15);background:transparent;box-shadow:inset 0 0 0 999px rgba(0,0,0,0.07);transform:scale(0.98);z-index:1}
.sq.last-move{background:rgba(155,199,0,0.41)!important}.sq.check{background:radial-gradient(ellipse at center,#ff0000 0%,#cc0000 40%,transparent 70%)!important}
.sq:hover{filter:brightness(1.05)}
.p{display:inline-block;vertical-align:middle;font-size:clamp(22px,8vw,46px);line-height:1;text-align:center;filter:drop-shadow(2px 2px 3px rgba(0,0,0,0.3));transition:transform .15s}
.p:hover{transform:scale(1.1)}
#side-panel{display:flex;flex-direction:column;gap:12px;min-width:220px;max-width:260px;flex:1}
.card{padding:16px;transition:transform .2s}.card:hover{transform:translateY(-2px)}
.card h3{font-size:0.75em;text-transform:uppercase;letter-spacing:1.5px;color:rgba(255,255,255,0.5);margin-bottom:10px;font-weight:600}
#opponent-avatar{font-size:2.8em;display:block;margin:6px 0;filter:drop-shadow(0 4px 8px rgba(0,0,0,0.3))}
#opponent-name{font-weight:700;font-size:1.1em}
.quote-bubble{background:rgba(0,0,0,0.25);border-radius:12px;padding:10px 14px;margin-top:10px;font-style:italic;font-size:0.82em;min-height:48px;position:relative}
.quote-bubble::before{content:'';position:absolute;top:-6px;left:20px;width:12px;height:12px;background:rgba(0,0,0,0.2);transform:rotate(45deg);border-radius:2px}
#status-bar{padding:10px 16px;font-size:0.9em;text-align:center;font-weight:600;background:linear-gradient(135deg,rgba(248,123,7,0.15),rgba(255,210,0,0.15));border:1px solid rgba(255,210,0,0.2)}
.btn{padding:10px 18px;border:none;border-radius:10px;font-size:0.85em;font-weight:600;cursor:pointer;transition:all .2s;color:#fff}.btn:active{transform:scale(0.96)}.btn:disabled{opacity:0.3;cursor:not-allowed;transform:none}
.btn-primary{background:linear-gradient(135deg,#f7971e,#ffd200);color:#1a1a2e}.btn-primary:hover{filter:brightness(1.1);transform:translateY(-1px);box-shadow:0 4px 15px rgba(248,123,7,0.3)}
.btn-secondary{background:rgba(255,255,255,0.08);border:1px solid rgba(255,255,255,0.12)}.btn-secondary:hover{background:rgba(255,255,255,0.15);transform:translateY(-1px)}
.btn-row{display:flex;gap:8px;flex-wrap:wrap}
#score-display{display:flex;align-items:center;gap:8px;font-size:1.2em;font-weight:700}
.gem{color:#4ecdc4;font-size:1.1em;filter:drop-shadow(0 0 4px rgba(78,205,196,0.4))}
#captured-pieces{display:flex;flex-wrap:wrap;gap:4px;min-height:24px;font-size:1.1em;padding:4px 8px}
#promotion-overlay{position:fixed;inset:0;background:rgba(0,0,0,0.6);display:none;align-items:center;justify-content:center;z-index:100;backdrop-filter:blur(4px)}
#promotion-overlay.show{display:flex}
.promo-box{padding:24px;text-align:center}
.promo-pieces{display:flex;gap:12px}
.promo-btn{width:60px;height:60px;font-size:36px;border:none;border-radius:12px;cursor:pointer;background:rgba(255,255,255,0.12);transition:all .2s;display:flex;align-items:center;justify-content:center}
.promo-btn:hover{background:rgba(255,255,255,0.25);transform:scale(1.15)}
#pause-overlay{position:fixed;inset:0;background:rgba(15,12,41,0.85);backdrop-filter:blur(10px);display:none;align-items:center;justify-content:center;z-index:200;flex-direction:column;gap:16px;cursor:pointer}
#pause-overlay.show{display:flex}
#pause-overlay span{font-size:1.3em;font-weight:700;color:#fff;text-align:center}
.lb-entry{display:flex;justify-content:space-between;padding:6px 0;border-bottom:1px solid rgba(255,255,255,0.06);font-size:0.85em}
.lb-entry:last-child{border:none}
.coord-f,.coord-r{position:absolute;font-size:10px;opacity:0.6;pointer-events:none}
.coord-f{bottom:2px;right:4px}.coord-r{top:2px;left:4px}
.sq.light .coord-f,.sq.light .coord-r{color:#b58863}.sq.dark .coord-f,.sq.dark .coord-r{color:#f0d9b5}
@media(max-width:620px){
#game-area{flex-direction:column;align-items:center}
#side-panel{min-width:0;max-width:95vw;width:100%}
#board{width:min(95vw,380px);height:min(95vw,380px)}
}