@import url("https://fonts.googleapis.com/css2?family=Fraunces:wght@400;600;700&display=swap");:root{color-scheme:light;--bg:#f4f1e8;--panel:#fff7e6;--ink:#1e1b16;--muted:#5b5245;--green:#2d6a4f;--green-dark:#1b4332;--accent:#e07a5f;--line:#d9c7a8;--primary:#2d5016}*{box-sizing:border-box}body,html{padding:0;margin:0;font-family:Fraunces,Georgia,serif;color:var(--ink);background:radial-gradient(circle at top left,#fff2d5,var(--bg) 60%,#efe3c7);min-height:100vh}.header{background:var(--primary);color:#fff;padding:16px 20px;box-shadow:0 4px 12px rgba(0,0,0,.15)}.header-content{max-width:1100px;margin:0 auto;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:16px}.header-title h1{font-size:1.75rem;margin:0;color:#fff}.header-title p{color:hsla(0,0%,100%,.8);font-size:.9rem;margin:4px 0 0}.header-nav{display:flex;gap:12px}.nav-button{background:hsla(0,0%,100%,.15);color:#fff;border:1px solid hsla(0,0%,100%,.3);padding:8px 16px;border-radius:999px;cursor:pointer;font:inherit;transition:background .2s}.nav-button:hover{background:hsla(0,0%,100%,.25)}.footer{background:var(--ink);color:hsla(0,0%,100%,.8);padding:24px 20px;margin-top:40px;text-align:center}.footer-content{max-width:1100px;margin:0 auto}.footer-content p{margin:4px 0;color:hsla(0,0%,100%,.7)}.footer-link a{color:var(--accent);text-decoration:none}.footer-link a:hover{text-decoration:underline}main{max-width:1100px;margin:0 auto;padding:32px 20px 48px;display:grid;grid-gap:24px;gap:24px}h1{font-size:clamp(2rem,2vw + 1.5rem,3rem);margin:0 0 6px}h2{font-size:1.25rem}h2,p{margin:0}p{color:var(--muted)}.panel{background:var(--panel);border:1px solid var(--line);padding:20px;box-shadow:0 10px 30px rgba(0,0,0,.08)}.board,.panel{border-radius:18px}.board{display:grid;grid-template-columns:repeat(8,minmax(32px,1fr));grid-gap:6px;gap:6px;padding:14px;background:linear-gradient(135deg,var(--green),var(--green-dark));border:2px solid #12422f}.cell{width:100%;aspect-ratio:1/1;border-radius:12px;background:hsla(0,0%,100%,.1);border:1px solid rgba(0,0,0,.2);display:grid;place-items:center;cursor:pointer;transition:transform .12s ease,box-shadow .12s ease;position:relative}.cell:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 6px 12px rgba(0,0,0,.2)}.cell:disabled{cursor:default}.cell.hint{background:hsla(0,0%,100%,.2);border-color:hsla(0,0%,100%,.4)}.hint-dot{width:24%;height:24%;background:hsla(0,0%,100%,.5)}.hint-dot,.piece{border-radius:50%}.piece{width:70%;height:70%;box-shadow:inset 0 0 0 3px hsla(0,0%,100%,.2),0 6px 12px rgba(0,0,0,.35)}.piece.black{background:radial-gradient(circle at 30% 30%,#3d3a36,#0b0a08)}.piece.white{background:radial-gradient(circle at 30% 30%,#fff,#d2c7b6)}.controls{display:grid;grid-gap:12px;gap:12px}.control-row{display:flex;flex-wrap:wrap;gap:12px;align-items:center}button,select{font:inherit;padding:10px 16px;border-radius:999px;border:1px solid var(--line);background:#fffaf0;cursor:pointer;transition:transform .12s ease,box-shadow .12s ease}button:hover:not(:disabled),select:hover:not(:disabled){transform:translateY(-1px);box-shadow:0 4px 10px rgba(0,0,0,.1)}button:disabled{opacity:.5;cursor:not-allowed}button.primary{background:var(--accent)}button.active,button.primary{color:#fff;border-color:transparent}button.active{background:var(--green)}button.small{padding:6px 12px;font-size:.85rem}.history{display:grid;grid-gap:12px;gap:12px}.history-item{padding:12px;border-radius:12px;border:1px dashed var(--line);background:#fffdf8;display:flex;justify-content:space-between;align-items:center;gap:12px}.badge{font-size:.85rem;padding:4px 10px;border-radius:999px;border:1px solid var(--line);background:#f7ecd4}.note{font-size:.9rem;color:var(--muted)}.statistics{display:grid;grid-gap:16px;gap:16px}.stats-header{display:flex;justify-content:space-between;align-items:center}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(100px,1fr));grid-gap:12px;gap:12px}.stat-item{text-align:center;padding:12px;background:#fffdf8;border-radius:12px;border:1px solid var(--line)}.stat-value{display:block;font-size:1.5rem;font-weight:700;color:var(--primary)}.stat-label{font-size:.8rem;color:var(--muted)}.modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,.5);display:flex;align-items:center;justify-content:center;padding:20px;z-index:1000}.modal-content{background:var(--panel);border-radius:18px;max-width:600px;width:100%;max-height:90vh;overflow-y:auto;box-shadow:0 20px 50px rgba(0,0,0,.3)}.modal-header{display:flex;justify-content:space-between;align-items:center;padding:20px;border-bottom:1px solid var(--line)}.modal-header h2{margin:0}.modal-close{background:none;border:none;font-size:1.5rem;cursor:pointer;padding:4px 8px;color:var(--muted)}.modal-close:hover{color:var(--ink)}.modal-body{padding:20px}.modal-body section{margin-bottom:20px}.modal-body section:last-child{margin-bottom:0}.modal-body h3{font-size:1.1rem;margin:0 0 8px;color:var(--primary)}.modal-body ul{margin:0;padding-left:20px}.modal-body li{margin-bottom:6px;color:var(--muted)}.modal-content.game-over{text-align:center;max-width:400px}.result-message{font-size:2rem;font-weight:700;color:var(--primary);margin-bottom:20px}.final-score{justify-content:center;gap:20px;margin-bottom:24px}.final-score,.score-item{display:flex;align-items:center}.score-item{gap:8px;font-size:1.5rem;font-weight:600}.score-item .piece{width:32px;height:32px}.score-divider{font-size:1.5rem;color:var(--muted)}.modal-actions{display:flex;gap:12px;justify-content:center}@media (max-width:800px){main{padding:24px 16px 40px}.control-row{flex-direction:column;align-items:stretch}button,select{width:100%}.header-content{flex-direction:column;text-align:center}.stats-grid{grid-template-columns:repeat(3,1fr)}}@media (max-width:480px){.stats-grid{grid-template-columns:repeat(2,1fr)}}