:root{--bg: #12161f;--bg2: #1c2230;--card: #1c2230;--border: #2a3142;--text: #e8ebf2;--muted: #8b93a7;--green: #81b64c;--green-dark: #5d8a35;--red: #e2645a;--amber: #e0a341;--radius: 12px}*{box-sizing:border-box;margin:0;padding:0}body{background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;font-size:15px;line-height:1.5}button{font:inherit;color:inherit;cursor:pointer}.app{min-height:100vh;display:flex;flex-direction:column}.topbar{display:flex;align-items:center;gap:20px;padding:10px 20px;background:var(--bg2);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:10;flex-wrap:wrap}.brand{display:flex;align-items:center;gap:8px;font-weight:700;font-size:18px}.brand-icon{font-size:26px;color:var(--green)}.tabs{display:flex;gap:4px;flex:1;flex-wrap:wrap}.tab{background:none;border:none;padding:8px 12px;border-radius:8px;color:var(--muted);font-weight:600;font-size:14px}.tab:hover{background:#ffffff0d;color:var(--text)}.tab.active{background:var(--green);color:#fff}.tab-icon{margin-right:2px}.user-chip{display:flex;align-items:center;gap:8px;font-weight:600}.avatar{width:28px;height:28px;border-radius:50%}.link-btn{background:none;border:none;color:var(--muted);font-size:16px}.link-btn:hover{color:var(--text)}.content{padding:24px;max-width:1200px;margin:0 auto;width:100%}.view{display:flex;flex-direction:column;gap:18px}.view-head{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}.two-col{display:grid;grid-template-columns:1fr 1fr;gap:18px}@media(max-width:900px){.two-col{grid-template-columns:1fr}}.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:18px}.card h3{margin-bottom:12px;font-size:16px}.card h4{margin:14px 0 8px;font-size:13px;text-transform:uppercase;letter-spacing:.5px;color:var(--muted)}.card-head{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:8px}.center-card{text-align:center;padding:40px}.muted{color:var(--muted)}.small{font-size:13px}.good-text{color:var(--green)}.bad-text{color:var(--red)}.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:14px}.stat-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:16px;text-align:center}.stat-value{font-size:28px;font-weight:800}.stat-card.good .stat-value{color:var(--green)}.stat-card.bad .stat-value{color:var(--red)}.stat-label{color:var(--muted);font-size:13px;margin-top:2px}.stat-sub{font-size:12px;color:var(--muted);margin-top:4px}.tc-picker,.level-picker{display:flex;gap:6px;flex-wrap:wrap}.pill{background:var(--bg);border:1px solid var(--border);border-radius:999px;padding:5px 14px;font-size:13px;font-weight:600;color:var(--muted)}.pill:hover{color:var(--text);border-color:var(--muted)}.pill.active{background:var(--green);border-color:var(--green);color:#fff}.badge{padding:2px 10px;border-radius:999px;font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.4px}.badge.win{background:#81b64c2e;color:var(--green)}.badge.loss{background:#e2645a2e;color:var(--red)}.badge.draw{background:#8b93a72e;color:var(--muted)}.games-table{width:100%;border-collapse:collapse;font-size:14px}.games-table th{text-align:left;color:var(--muted);font-size:12px;text-transform:uppercase;letter-spacing:.5px;padding:6px 10px;border-bottom:1px solid var(--border)}.games-table td{padding:8px 10px;border-bottom:1px solid rgba(42,49,66,.5)}.games-table.clickable tbody tr{cursor:pointer}.games-table.clickable tbody tr:hover{background:#ffffff0a}.score-bar{position:relative;background:var(--bg);border-radius:6px;height:20px;min-width:90px;overflow:hidden}.score-fill{height:100%;border-radius:6px}.score-bar span{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:700}.tips{display:flex;flex-direction:column;gap:12px}.tip{display:flex;gap:10px;align-items:flex-start}.tip-icon{font-size:22px}.tip p{color:var(--muted);font-size:13px;margin-top:2px}.cta{margin-top:14px;background:var(--green);border:none;color:#fff;font-weight:700;padding:10px 18px;border-radius:8px;font-size:14px;display:inline-block}.cta:hover{background:var(--green-dark)}.mistake-rows{display:flex;flex-direction:column;gap:10px}.mistake-row{display:grid;grid-template-columns:180px 1fr 40px;gap:10px;align-items:center;font-size:14px}.mistake-bar-outer{background:var(--bg);border-radius:6px;height:14px;overflow:hidden}.mistake-bar{background:var(--red);height:100%;border-radius:6px}.phase-chips{display:flex;gap:8px;flex-wrap:wrap}.phase-chip{background:var(--bg);border:1px solid var(--border);border-radius:8px;padding:6px 12px;font-size:13px;color:var(--muted)}.phase-chip.warn{border-color:#e0a34180;color:var(--amber)}.two-mini{display:grid;grid-template-columns:1fr 1fr;gap:16px}.end-list{list-style:none}.end-list li{display:flex;justify-content:space-between;padding:5px 0;border-bottom:1px solid rgba(42,49,66,.5);font-size:14px}.puzzle-layout{display:grid;grid-template-columns:minmax(300px,520px) 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14px;font-weight:700;font-size:14px}.celebrate{text-align:center;font-size:17px;font-weight:700;border-color:var(--green)}.move-list{display:flex;flex-wrap:wrap;gap:4px 8px;font-family:ui-monospace,monospace;font-size:13px;max-height:300px;overflow-y:auto;width:100%}.move-no{color:var(--muted);margin-right:3px}.move-san.btn{background:none;border:none;padding:2px 5px;border-radius:5px;font-family:inherit;font-size:inherit}.move-san.btn:hover{background:#ffffff14}.move-san.btn.current{background:var(--green);color:#fff}.move-san.btn.mistake{color:var(--red);font-weight:700;text-decoration:underline wavy}.move-san.btn.mistake.current{background:var(--red);color:#fff}.stepper{display:flex;gap:8px;align-items:center;justify-content:center;margin-top:12px}.eval-chip{background:var(--bg);border:1px solid var(--border);border-radius:8px;padding:3px 10px;font-family:ui-monospace,monospace;font-weight:700;font-size:14px;color:var(--green)}.eval-chart{margin-top:10px;background:var(--card);border:1px solid var(--border);border-radius:10px;padding:8px 4px 2px}.center{text-align:center}.deep-summary{display:flex;gap:8px;flex-wrap:wrap}.phase-chip.judge-blunder{border-color:#e2645a99;color:var(--red)}.phase-chip.judge-mistake{border-color:#e0a34199;color:var(--amber)}.phase-chip.judge-inaccuracy{border-color:#8b93a799;color:var(--text)}.move-san.btn.judge-blunder{color:var(--red);font-weight:700}.move-san.btn.judge-mistake{color:var(--amber);font-weight:700}.move-san.btn.judge-inaccuracy{color:#d8c26a}.move-san.btn.judge-blunder.current{background:var(--red);color:#fff}.move-san.btn.judge-mistake.current{background:var(--amber);color:#fff}.scan-banner.full{width:100%;margin-bottom:0}.opening-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:12px}.opening-card{background:var(--bg);border:1px solid var(--border);border-radius:var(--radius);padding:14px;text-align:left;display:flex;flex-direction:column;gap:6px}.opening-card:hover{border-color:var(--green);transform:translateY(-2px);transition:all .15s}.opening-name{font-weight:700}.opening-len{font-size:12px;color:var(--green);font-weight:600}.lessons{display:flex;flex-direction:column;gap:8px}.lesson{border:1px solid var(--border);border-radius:10px;overflow:hidden}.lesson.highlight{border-color:#81b64c99}.lesson-head{width:100%;display:flex;justify-content:space-between;align-items:center;background:var(--bg);border:none;padding:12px 16px;font-size:14px;text-align:left}.lesson-tag{background:#8b93a726;color:var(--muted);border-radius:999px;padding:1px 8px;font-size:11px;margin-left:8px;font-weight:600}.lesson-tag.rec{background:#81b64c33;color:var(--green)}.lesson-body{padding:14px 16px;white-space:pre-wrap;font-family:inherit;font-size:14px;color:var(--text);background:var(--bg2)}.hint-text{color:var(--amber);font-weight:600}.ext{text-decoration:none;margin-top:8px}.ext:hover{color:var(--text)}.loading-screen{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:18px;padding:80px 20px}.loading-knight{font-size:64px;color:var(--green);animation:bounce 1s infinite alternate ease-in-out}@keyframes bounce{0%{transform:translateY(0)}to{transform:translateY(-12px)}}.progress-outer{width:320px;max-width:90%;height:10px;background:var(--bg2);border-radius:999px;overflow:hidden;border:1px solid var(--border)}.progress-outer.slim{height:6px;width:100%;margin-top:6px}.progress-inner{height:100%;background:var(--green);border-radius:999px;transition:width .3s}.scan-banner{background:var(--bg2);border:1px solid var(--border);border-radius:10px;padding:10px 16px;margin-bottom:16px;font-size:14px}.error-banner{background:#e2645a1f;border-bottom:1px solid rgba(226,100,90,.4);color:var(--red);padding:10px 20px;font-weight:600}.setup{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px;background:radial-gradient(circle at 30% 20%,#1c2740 0%,var(--bg) 60%)}.setup-card{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:40px;max-width:440px;width:100%;text-align:center;box-shadow:0 20px 60px #00000080}.setup-logo{font-size:64px;color:var(--green)}.setup-card h1{margin:8px 0 12px}.setup-sub{color:var(--muted);margin-bottom:24px}.setup-card form{display:flex;flex-direction:column;gap:12px}.setup-card input{background:var(--bg);border:1px solid var(--border);border-radius:10px;padding:12px 16px;color:var(--text);font-size:16px;outline:none}.setup-card input:focus{border-color:var(--green)}.setup-card button[type=submit]{background:var(--green);border:none;color:#fff;font-weight:700;padding:12px;border-radius:10px;font-size:16px}.setup-card button[type=submit]:disabled{opacity:.5;cursor:default}.setup-err{color:var(--red);margin-top:12px;font-size:14px}.setup-note{color:var(--muted);font-size:12px;margin-top:18px}