:root{--ink:#183d37;--muted:#6f837b;--green:#216b55;--line:#dfe9df;--cream:#f8f7f0;--yellow:#f8df83}*{box-sizing:border-box}body{margin:0;background:var(--cream);color:var(--ink);font-family:'DM Sans','PingFang SC','Microsoft YaHei',sans-serif}button,input{font:inherit}button,a{touch-action:manipulation}a{color:inherit}.app{max-width:1440px;margin:auto;padding:0 6%}header{height:96px;display:flex;align-items:center;gap:80px;border-bottom:1px solid #e8ebe2}.brand{display:flex;align-items:center;gap:10px;text-decoration:none;font-size:20px;font-weight:800;white-space:nowrap}.brand small{display:block;font-size:9px;letter-spacing:2px;color:#85a095;font-family:Nunito}.brandmark{display:grid;place-items:center;width:43px;height:43px;border-radius:15px;background:#bfe5cc;font-size:27px;color:#2d7e61}nav{display:flex;gap:38px;font-weight:700;font-size:14px}nav a{text-decoration:none;color:#71887e}nav 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solid #edf0e8;border-radius:20px;padding:25px}.steps{display:flex;gap:20px;justify-content:space-between;margin-top:18px}.step{flex:1;font-size:13px;color:var(--muted)}.step b{display:block;color:var(--ink);margin:8px 0}.num{display:grid;place-items:center;width:30px;height:30px;border-radius:50%;background:#e4f2e4;color:#318365;font-weight:800}.stat{font:900 35px Nunito;color:#318365;margin:10px 0}.page{max-width:950px;margin:45px auto}.back{display:inline-block;text-decoration:none;color:#71877c;font-size:13px;margin-bottom:22px}.page-head{display:flex;justify-content:space-between;align-items:end;gap:15px;margin-bottom:25px}.exercise-list{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.exercise-list .card{cursor:pointer}.tag{display:inline-block;font-size:11px;color:#4a886c;background:#e8f4e8;border-radius:20px;padding:6px 10px;margin-bottom:15px}.exercise-list h3{margin-top:0}.player{background:#e6f2e4;border-radius:18px;padding:22px;margin:22px 0}.player-top{display:flex;align-items:center;gap:14px;flex-wrap:wrap}.play{width:52px;height:52px;background:#2b7d5e;color:white;border:0;border-radius:50%;font-size:20px;cursor:pointer}.player small{display:block;color:#688a76;margin-top:4px}.speed{margin-left:auto;padding:8px;border:1px solid #cbded0;background:white;border-radius:9px;color:var(--ink)}.question{padding:22px 0;border-top:1px solid var(--line)}.question h3{font-size:16px;line-height:1.6;margin:0 0 13px}.options{display:grid;gap:9px}.option{display:flex;align-items:center;gap:10px;padding:12px 14px;border:1px solid #e3ebe3;border-radius:11px;cursor:pointer}.option:has(input:checked){border-color:#6ab28c;background:#edf8ee}.option input{accent-color:#32875f}.answer-input{border:1px solid #cbded0;border-radius:10px;padding:12px;width:min(100%,350px);font-size:16px}.feedback{margin:12px 0 0;padding:12px 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.big{min-height:56px;font-size:16px;padding:16px 24px}.exam-card{min-height:190px}.option{min-height:64px;padding:16px 20px;font-size:17px;gap:16px}.option input{width:24px;height:24px;flex-shrink:0}.answer-input{min-height:58px;width:min(100%,460px)}.repeat-label{display:block;font-weight:700;margin:24px 0 10px}.large-select{min-height:56px;font-size:17px;min-width:210px;margin:0 0 15px}.start-btn{margin-top:20px}.exam-top{display:flex;position:sticky;top:0;z-index:2;justify-content:space-between;align-items:center;gap:12px;background:#f8f7f0f2;padding:12px 0;border-bottom:1px solid var(--line)}.exam-top .page-title{font-size:22px}.section-label{padding-top:20px}.review-card{border:1px solid var(--line);background:#fff;border-radius:18px;padding:22px;margin:16px 0;line-height:1.7;overflow-wrap:anywhere}.review-card h3{font-size:17px}.analysis{background:#eef7ed;border-radius:10px;padding:12px}.score{font:900 64px Nunito;color:#318365}.score small{font-size:18px}.result-hero{text-align:center;margin-top:24px}.result-hero .actions{justify-content:center}.stat small{font-size:14px;color:#87a098}@media(max-width:750px){nav{gap:10px}nav a{font-size:12px}.brand{font-size:17px}.brandmark{width:36px;height:36px}.brand small{font-size:7px}.big{width:100%}.option{min-height:62px}.exam-top .page-title{font-size:18px}.exam-top .btn{padding:12px}.review-card{padding:18px}}
.review-play{width:100%;margin-top:10px}
.filters{display:flex;gap:16px;flex-wrap:wrap;margin:22px 0 6px}.filters label{display:grid;gap:8px;font-weight:700;font-size:14px}.filters .large-select{margin:0;min-width:180px}[hidden]{display:none!important}@media(max-width:750px){.filters label{flex:1;min-width:135px}.filters .large-select{min-width:0;width:100%}}
.login-page{min-height:70vh;display:grid;place-items:center;padding:30px 0}.login-card{width:min(100%,440px);background:white;border:1px solid var(--line);border-radius:26px;padding:36px;box-shadow:0 20px 50px #264c3710}.login-mark{margin-bottom:20px}.login-card h1{font-size:27px;margin:12px 0}.login-card form{display:grid;gap:16px;margin-top:28px}.login-card label{display:grid;gap:8px;font-weight:700;font-size:14px}.login-card input{width:100%;padding:14px;border:1px solid #ccddd0;border-radius:12px;font-size:16px;min-height:54px}.login-error{margin:0;min-height:20px;color:#ad5142;font-size:14px}.login-card button{width:100%}.logout-button{border:0;background:transparent;color:#286e56;text-decoration:underline;cursor:pointer;margin-left:8px}.sync-warning{background:#fff3d3;color:#7e612c;border-radius:12px;padding:12px 16px;margin:18px 0;font-size:13px}.header-note{white-space:nowrap}@media(max-width:750px){.header-note{display:block;font-size:11px;padding:6px;margin-left:0}.logout-button{margin-left:2px}.brand{font-size:15px}nav{gap:8px}.app{padding:0 4%}}
.widgets{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);gap:16px}.widget-head{display:flex;justify-content:space-between;align-items:center;gap:12px}.widget-head h2{margin:6px 0}.month-nav{display:flex;align-items:center;gap:10px;white-space:nowrap;font-size:13px}.month-nav button{border:1px solid var(--line);background:#f7faf5;border-radius:10px;width:38px;height:38px;font-size:24px;color:var(--green);cursor:pointer}.calendar-grid{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));gap:5px;margin-top:16px}.cal-week{text-align:center;font-size:12px;color:#90a599;padding:7px 0}.cal-day{min-height:53px;padding:6px;border-radius:10px;background:#f8faf6;font-size:13px;color:#6c8275}.cal-today{outline:2px solid #8fc9a0}.cal-done{background:#e6f4e4;color:#246c4e}.cal-trophy{display:block;font-size:13px;margin-top:3px;white-space:nowrap}.cal-trophy b{font-size:12px}.cabinet-count{font-size:32px;font-weight:800;color:#be8b20;white-space:nowrap}.cabinet-count small{font-size:12px;color:#8b947d}.shelf{background:linear-gradient(#f8f3e0 85%,#c9a876 85%);border-radius:16px;padding:24px 14px 20px;min-height:105px;margin:20px 0;display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-size:28px}.shelf-empty{font-size:14px;color:#8d9079}.shelf b{font-size:16px;color:#966e30}.cabinet-count small{font-weight:600}button:disabled{opacity:.5;cursor:not-allowed}@media(max-width:900px){.widgets{grid-template-columns:1fr}}@media(max-width:480px){.month-nav{gap:5px}.month-nav button{width:34px;height:34px}.cal-day{min-height:46px;padding:4px}.cal-trophy{font-size:11px}.shelf{font-size:25px}}
@media(max-width:600px){header{height:auto;min-height:82px;padding:12px 0 10px;flex-wrap:wrap;row-gap:10px;justify-content:space-between}header nav{order:3;width:100%;justify-content:space-around;gap:12px}header nav a{font-size:13px;white-space:nowrap}.header-note{margin-left:auto}}