:root{--sg-bg: #fdf8ee;--sg-ink: #2d3047;--sg-primary: #4ecdc4;--sg-accent: #ffc94d;--sg-danger: #ff6b6b;font-family:system-ui,Segoe UI,sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--sg-bg);color:var(--sg-ink)}button{font:inherit;border:none;border-radius:10px;padding:.6rem 1.2rem;background:var(--sg-primary);color:#fff;cursor:pointer}.subject-shell{max-width:860px;margin:0 auto;padding:1.5rem 1rem}.shell-header{display:flex;align-items:center;gap:.8rem}.shell-year{background:var(--sg-accent);border-radius:999px;padding:.25rem .8rem;font-weight:700}.shell-loading{text-align:center;padding:3rem}.ls-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:1rem;margin-top:1.5rem}.ls-card{display:grid;gap:.5rem;place-items:center;background:#fff;color:var(--sg-ink);border-radius:16px;padding:1.4rem 1rem;box-shadow:0 3px 14px #2d304714}.ls-card:hover{transform:translateY(-2px)}.ls-title{font-weight:700;font-size:1.05rem}.ls-star{color:#d9dbe8;font-size:1.2rem}.ls-star-on{color:var(--sg-accent)}.ls-play{background:var(--sg-primary);color:#fff;border-radius:999px;padding:.3rem 1.2rem;font-weight:600}.ksk-game{max-width:520px;margin:0 auto}.ksk-hud{display:flex;justify-content:space-between;font-weight:700;margin-bottom:.8rem}.ksk-word-card{background:#fff;border-radius:18px;padding:1.5rem;text-align:center;box-shadow:0 3px 14px #2d304714}.ksk-emoji{font-size:4.5rem;line-height:1}.ksk-slots{display:flex;gap:.6rem;justify-content:center;margin-top:1rem}.ksk-slot{width:74px;height:58px;border:3px dashed #d9dbe8;border-radius:12px;display:grid;place-items:center;font-size:1.5rem;font-weight:800}.ksk-slot-filled{border-style:solid;border-color:var(--sg-primary);background:#e8faf8}.ksk-feedback{font-weight:800;margin:.8rem 0 0}.ksk-ok{color:#2f9e44}.ksk-bad{color:var(--sg-danger)}.ksk-tiles{display:flex;gap:.8rem;justify-content:center;flex-wrap:wrap;margin-top:1.4rem}.ksk-tile{width:84px;height:66px;font-size:1.4rem;font-weight:800;background:var(--sg-accent);color:var(--sg-ink);border-radius:12px;box-shadow:0 3px #d9a832}.ksk-tile:active{transform:translateY(2px);box-shadow:none}.ksk-tile-used{visibility:hidden}.ksk-tile-shake{animation:ksk-shake .4s;background:var(--sg-danger);color:#fff}@keyframes ksk-shake{0%,to{transform:translate(0)}25%{transform:translate(-6px)}75%{transform:translate(6px)}}.pg-game{max-width:520px;margin:0 auto}.pg-choices{display:grid;grid-template-columns:1fr 1fr;gap:.8rem;margin-top:1.4rem}.pg-choice{font-size:1.2rem;font-weight:700;padding:.9rem;background:#fff;color:var(--sg-ink);border:3px solid #e3e3ee;border-radius:14px}.pg-choice:hover{border-color:var(--sg-primary)}.pg-choice-right{background:var(--sg-primary);color:#fff;border-color:var(--sg-primary)}.pg-choice-wrong{background:var(--sg-danger);color:#fff;border-color:var(--sg-danger)}.sa-game{max-width:560px;margin:0 auto}.sa-sentence{display:flex;gap:.5rem;justify-content:center;flex-wrap:wrap;margin-top:1rem}.sa-slot{min-width:64px;padding:.45rem .7rem;border-bottom:3px dashed #d9dbe8;font-size:1.15rem;font-weight:700;color:#b7bccf}.sa-slot-filled{color:var(--sg-ink);border-bottom-color:var(--sg-primary);border-bottom-style:solid}.sa-tile{font-size:1.1rem;font-weight:700;padding:.7rem 1rem;background:var(--sg-accent);color:var(--sg-ink);border-radius:12px;box-shadow:0 3px #d9a832}.sa-tile:active{transform:translateY(2px);box-shadow:none}