:root{--court-bg:#c8882a;--court-line:#fff;--zone-border:#ffffff88;--card-bg:#1a1a2e;--card-name-accent:#e94560;--card-desc-accent:#0f3460;--correct-glow:#22c55e;--incorrect-glow:#ef4444;--modal-bg:rgba(10, 10, 20, 0.95);--quiz-bg:#0f0f1a;--quiz-text:#f0f0f0}body{background:var(--quiz-bg);color:var(--quiz-text)}nav{background:rgba(15,15,26,.92);border-bottom-color:rgba(255,255,255,.1)}.nav-inner{display:flex;justify-content:space-between;align-items:center;max-width:1200px;margin:0 auto;padding:0 1rem;height:56px}.nav-logo{color:var(--quiz-text);text-decoration:none;font-weight:600}.lang-btn{background:0 0;border:1px solid rgba(255,255,255,.3);color:var(--quiz-text);padding:.35rem .75rem;border-radius:6px;cursor:pointer;font-size:.85rem;font-family:var(--font-sans);transition:background .15s}.lang-btn:hover{background:rgba(255,255,255,.1)}.arena{display:grid;grid-template-columns:200px 1fr 200px;gap:1rem;padding:1rem;min-height:80vh;align-items:start;max-width:1100px;margin:0 auto}.tray{display:flex;flex-direction:column;padding:.75rem;background:rgba(255,255,255,.04);border-radius:10px;min-height:360px}.tray h3{font-size:.75rem;text-transform:uppercase;letter-spacing:.06em;margin-bottom:.75rem;opacity:.6;color:var(--quiz-text)}.tray.dragover-tray{background:rgba(255,255,255,.08)}.court{position:relative;background:var(--court-bg);aspect-ratio:2/3;border:4px solid var(--court-line);border-radius:8px;overflow:hidden}.court-key{position:absolute;bottom:0;left:50%;transform:translateX(-50%);width:40%;height:30%;border:3px solid var(--court-line);border-bottom:none}.court-arc{position:absolute;bottom:28%;left:50%;transform:translateX(-50%);width:70%;height:35%;border:3px solid var(--court-line);border-radius:50% 50% 0 0/100% 100% 0 0;border-bottom:none}.court-circle{position:absolute;top:8%;left:50%;transform:translateX(-50%);width:18%;aspect-ratio:1;border:3px solid var(--court-line);border-radius:50%}.drop-zone{position:absolute;transform:translate(-50%,-50%);width:76px;height:76px;border:2px dashed var(--zone-border);border-radius:50%;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;transition:border-color .2s,box-shadow .2s;cursor:default}.drop-zone.dragover{border-color:#fff;box-shadow:0 0 14px #fff8}.drop-zone.correct{border-color:var(--correct-glow);box-shadow:0 0 20px var(--correct-glow);animation:glow-pulse 1.2s ease infinite}.drop-zone.incorrect{border-color:var(--incorrect-glow);box-shadow:0 0 20px var(--incorrect-glow)}.zone-number{font-size:.65rem;font-weight:700;color:rgba(255,255,255,.7);line-height:1}.slot{width:68px;min-height:20px;display:flex;align-items:center;justify-content:center;border-radius:4px}.slot .card{font-size:.55rem;padding:2px 4px;margin:0;width:100%;text-align:center;line-height:1.2;white-space:normal;cursor:grab}.card{padding:.5rem .75rem;border-radius:8px;margin-bottom:.5rem;cursor:grab;font-size:.82rem;line-height:1.4;user-select:none;transition:transform .15s,box-shadow .15s;color:#fff}.card:hover{transform:translateY(-2px);box-shadow:0 4px 14px rgba(0,0,0,.3)}.card:active{cursor:grabbing}.card--name{background:var(--card-name-accent)}.card--desc{background:var(--card-desc-accent)}.card.dragging{opacity:.35}.card.locked{cursor:default;opacity:.85}.card.shake{animation:shake .4s ease}#touch-drag-clone{position:fixed;pointer-events:none;z-index:9999;opacity:.8;transform:scale(1.05);border-radius:8px}.action-bar{display:flex;gap:1rem;justify-content:center;align-items:center;padding:1rem}.timer{font-family:monospace;font-size:1.15rem;color:var(--quiz-text);min-width:4.5ch;text-align:center}.btn-submit{background:var(--card-name-accent);color:#fff;padding:.6rem 1.5rem;border:none;border-radius:6px;cursor:pointer;font-weight:600;font-family:var(--font-sans);font-size:.95rem;transition:opacity .15s}.btn-submit:hover{opacity:.88}.btn-reset{background:0 0;border:1px solid rgba(255,255,255,.25);color:var(--quiz-text);padding:.6rem 1rem;border-radius:6px;cursor:pointer;font-family:var(--font-sans);font-size:.95rem;transition:background .15s}.btn-reset:hover{background:rgba(255,255,255,.08)}dialog#modal-scoreboard{background:var(--modal-bg);color:var(--quiz-text);border:1px solid rgba(255,255,255,.15);border-radius:14px;padding:2rem;min-width:300px;text-align:center}dialog::backdrop{background:rgba(0,0,0,.6);backdrop-filter:blur(4px)}#modal-title{font-size:1.5rem;margin-bottom:1.25rem}.score-row{margin:.6rem 0;font-size:1rem;opacity:.85}.score-row strong{color:#fff;opacity:1;margin-left:.25rem}.modal-actions{display:flex;gap:.75rem;justify-content:center;margin-top:1.5rem}.modal-actions button{padding:.55rem 1.25rem;border-radius:6px;cursor:pointer;font-family:var(--font-sans);font-size:.9rem;border:none;transition:opacity .15s}#btn-play-again{background:var(--card-name-accent);color:#fff}#btn-review{background:rgba(255,255,255,.15);color:#fff;border:1px solid rgba(255,255,255,.2)!important}.modal-actions button:hover{opacity:.85}#review-overlay{position:fixed;inset:0;background:rgba(10,10,20,.97);z-index:500;display:flex;flex-direction:column;align-items:center;padding:2rem 1rem;overflow-y:auto}#review-overlay[hidden]{display:none}.review-header{display:flex;justify-content:space-between;align-items:center;width:100%;max-width:600px;margin-bottom:1.5rem}.review-header h2{font-size:1.4rem}#btn-close-review{background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.2);color:#fff;padding:.4rem 1rem;border-radius:6px;cursor:pointer;font-family:var(--font-sans)}#btn-close-review:hover{background:rgba(255,255,255,.2)}.review-list{width:100%;max-width:600px;display:flex;flex-direction:column;gap:.75rem}.review-zone{display:flex;align-items:flex-start;gap:1rem;background:rgba(255,255,255,.06);border-radius:10px;padding:1rem;border-left:4px solid var(--correct-glow)}.review-zone-num{font-size:1.4rem;font-weight:700;color:var(--correct-glow);min-width:1.5rem;text-align:center}.review-content{flex:1}.review-name{font-weight:600;font-size:.95rem;margin-bottom:.35rem;color:#fff}.review-desc{font-size:.82rem;color:rgba(255,255,255,.7);line-height:1.5}@keyframes shake{0%,100%{transform:translateX(0)}20%,60%{transform:translateX(-7px)}40%,80%{transform:translateX(7px)}}@keyframes glow-pulse{0%,100%{box-shadow:0 0 10px var(--correct-glow)}50%{box-shadow:0 0 26px var(--correct-glow)}}@media (max-width:900px){.arena{grid-template-columns:1fr;grid-template-rows:auto auto auto;min-height:unset}.tray{flex-direction:row;flex-wrap:wrap;gap:.5rem;min-height:unset}.tray h3{width:100%}.tray .card{margin-bottom:0}.court{aspect-ratio:2/3;max-width:360px;margin:0 auto}}@media (max-width:600px){.card{font-size:.75rem;padding:.4rem .6rem}.tray{padding:.5rem}.action-bar{gap:.5rem}.btn-reset,.btn-submit{font-size:.85rem;padding:.5rem .9rem}dialog#modal-scoreboard{min-width:90vw;padding:1.5rem}}