:root{--ink:#20342a;--muted:#687a70;--leaf:#2f7450;--leaf-dark:#20563a;--mint:#eaf4e4;--paper:#fbfaf4;--card:#fff;--line:#dce6dc;--gold:#b87b13;--gold-soft:#fff1c8;--red:#a64039;--shadow:0 16px 40px rgba(45,74,55,.08);font-family:"PingFang SC","Microsoft YaHei",system-ui,sans-serif;color:var(--ink);background:var(--paper);font-synthesis:none}*{box-sizing:border-box}body{margin:0;min-height:100vh;background:radial-gradient(circle at 8% 0,#edf7e8 0,transparent 32rem),var(--paper)}button,input,select{font:inherit}button,a{-webkit-tap-highlight-color:transparent}.site-header{height:76px;display:flex;align-items:center;justify-content:space-between;padding:0 max(24px,calc((100vw - 1180px)/2));background:rgba(251,250,244,.9);backdrop-filter:blur(18px);border-bottom:1px solid rgba(47,116,80,.1);position:sticky;top:0;z-index:10}.brand{display:flex;align-items:center;gap:11px;color:inherit;text-decoration:none}.brand-mark{width:42px;height:42px;display:grid;place-items:center;border-radius:14px;background:var(--leaf);color:white;font-weight:700}.brand strong,.brand small{display:block}.brand small{font-size:12px;color:var(--muted);margin-top:2px}.site-header nav{display:flex;align-items:center;gap:8px}.site-header nav a,.link-button{border:0;background:none;color:var(--muted);text-decoration:none;padding:11px 13px;border-radius:12px;cursor:pointer}.site-header nav a:hover,.site-header nav a.active,.link-button:hover{background:var(--mint);color:var(--leaf-dark)}.page-shell{max-width:1180px;margin:0 auto;padding:42px 24px 72px}.eyebrow{margin:0 0 8px;color:var(--leaf);font-size:13px;font-weight:700;letter-spacing:.08em}.welcome-row,.admin-heading{display:flex;align-items:flex-start;justify-content:space-between;gap:24px;margin-bottom:28px}h1{font-size:clamp(28px,4vw,44px);line-height:1.18;margin:0;letter-spacing:-.03em}h2,h3,p{margin-top:0}.intro{color:var(--muted);margin:10px 0 0}.time-bubble{width:126px;height:126px;border-radius:50%;display:grid;place-content:center;text-align:center;background:var(--gold-soft);box-shadow:inset 0 0 0 8px rgba(255,255,255,.5);flex:0 0 auto}.time-bubble span,.time-bubble small{font-size:12px;color:#7a602d}.time-bubble strong{font-size:38px;line-height:1}.dashboard-grid{display:grid;grid-template-columns:minmax(0,1fr) 310px;gap:24px}.task-panel,.summary-card,.auth-card,.admin-list{background:rgba(255,255,255,.9);border:1px solid var(--line);border-radius:24px;box-shadow:var(--shadow)}.task-panel{padding:26px}.section-heading{display:flex;justify-content:space-between;align-items:end;gap:16px}.section-heading h2{margin:0;font-size:24px}.section-heading>strong{font-size:22px}.progress-track,.mini-progress{height:10px;border-radius:999px;background:#e6ece5;overflow:hidden;margin:18px 0 24px}.progress-track span,.mini-progress span{display:block;height:100%;border-radius:inherit;background:linear-gradient(90deg,#5b9d70,#2f7450);transition:width .25s}.task-list{display:grid;gap:12px}.task-card{display:grid;grid-template-columns:48px minmax(0,1fr) auto;align-items:center;gap:14px;padding:14px 16px;border:1px solid var(--line);border-radius:18px;background:var(--card);transition:.2s}.task-card:hover{transform:translateY(-1px);border-color:#b7cdbd}.task-card.is-done{background:#f2f5f0;color:#758078}.task-card.is-done h3{text-decoration:line-through}.task-check{width:46px;height:46px;border-radius:14px;border:2px solid #aac2b0;background:white;color:white;font-size:22px;cursor:pointer}.is-done .task-check{background:var(--leaf);border-color:var(--leaf)}.task-main h3{font-size:17px;margin:0 0 6px}.task-main p,.admin-task-row p{margin:0;color:var(--muted);font-size:13px}.task-title-row{display:flex;align-items:center;gap:9px;flex-wrap:wrap}.required,.category{display:inline-flex;align-items:center;border-radius:999px;padding:3px 8px;font-size:11px;font-weight:700}.required{background:#f0eee4;color:#786f50}.category{background:#e9f2ea;color:#3d6c4b}.category-数学{background:#e9effd;color:#4c66a2}.category-阅读,.category-语文{background:#f8ece6;color:#945d43}.category-运动{background:#fff0d5;color:#93631b}.category-生活{background:#efe9fa;color:#72579c}.star-value{color:var(--gold);font-weight:700;white-space:nowrap}.summary-panel{display:grid;gap:16px;align-content:start}.summary-card{padding:22px}.summary-card p{font-size:13px;color:var(--muted);margin-bottom:8px}.summary-card strong{display:block;font-size:30px;margin-bottom:6px}.summary-card>span{font-size:13px;color:var(--muted)}.star-card{background:linear-gradient(145deg,#fff7dc,#fff)}.star-card strong{color:var(--gold)}.reward-card h3{font-size:18px;margin-bottom:12px}.mini-progress{height:7px;margin:0 0 10px}.empty-state{text-align:center;padding:44px 20px;color:var(--muted)}.empty-state>span{font-size:44px}.empty-state h3{color:var(--ink);margin:10px 0 6px}.auth-card{max-width:720px;margin:40px auto;padding:34px;display:grid;grid-template-columns:1fr 1fr;gap:40px}.stack-form,.dialog-form{display:grid;gap:16px}label{display:grid;gap:7px;font-size:13px;font-weight:650}input,select{width:100%;height:46px;border:1px solid #cddacf;border-radius:12px;background:white;color:var(--ink);padding:0 12px;outline:none}input:focus,select:focus{border-color:var(--leaf);box-shadow:0 0 0 3px rgba(47,116,80,.12)}.check-line{display:flex;flex-direction:row;align-items:center;gap:9px;font-weight:500}.check-line input{width:18px;height:18px}.primary-button,.secondary-button,.danger-button,.icon-button{min-height:44px;border-radius:12px;border:0;padding:0 16px;font-weight:700;cursor:pointer}.primary-button{background:var(--leaf);color:white}.primary-button:hover{background:var(--leaf-dark)}.secondary-button{background:var(--mint);color:var(--leaf-dark)}.danger-button{background:#faecea;color:var(--red)}.icon-button{min-width:44px;padding:0;background:#f1f3ef;color:var(--muted);font-size:24px}.admin-heading .primary-button{flex:0 0 auto}.admin-tabs{display:flex;gap:8px;margin-bottom:18px}.admin-tabs a{text-decoration:none;color:var(--muted);padding:11px 16px;border-radius:12px}.admin-tabs a.active{background:var(--mint);color:var(--leaf-dark);font-weight:700}.admin-list{padding:8px 22px}.admin-task-row{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:18px 4px;border-bottom:1px solid var(--line)}.admin-task-row:last-child{border-bottom:0}.admin-task-row h2{font-size:17px;margin:0}.row-actions{display:flex;gap:8px}.task-dialog{width:min(580px,calc(100% - 28px));border:0;border-radius:24px;padding:0;box-shadow:0 28px 80px rgba(28,54,38,.25);color:var(--ink)}.task-dialog::backdrop{background:rgba(23,43,31,.35);backdrop-filter:blur(4px)}.dialog-form{padding:26px}.dialog-head,.dialog-actions{display:flex;justify-content:space-between;align-items:center;gap:12px}.dialog-head h2{margin:0}.two-columns{display:grid;grid-template-columns:1fr 1fr;gap:14px}fieldset{border:0;padding:0;margin:0}legend{font-size:13px;font-weight:700;margin-bottom:8px}.weekday-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:6px}.weekday-grid label input{position:absolute;opacity:0;pointer-events:none}.weekday-grid span{height:40px;display:grid;place-items:center;border:1px solid var(--line);border-radius:10px;font-size:12px;cursor:pointer}.weekday-grid input:checked+span{background:var(--leaf);border-color:var(--leaf);color:white}.checks{padding:4px 0}.dialog-actions{justify-content:flex-end;border-top:1px solid var(--line);padding-top:18px}.flash{padding:13px 16px;border-radius:12px;margin-bottom:18px}.flash.success{background:#e3f2e6;color:#285b39}.flash.error{background:#fae8e6;color:#8f3731}
@media(max-width:820px){.dashboard-grid{grid-template-columns:1fr}.summary-panel{grid-template-columns:repeat(3,1fr)}.summary-card strong{font-size:24px}.auth-card{grid-template-columns:1fr}.site-header{padding-inline:18px}.page-shell{padding:30px 18px 64px}}
@media(max-width:620px){.brand small{display:none}.site-header nav a,.link-button{padding:10px 8px;font-size:13px}.welcome-row,.admin-heading{align-items:flex-start}.time-bubble{width:90px;height:90px}.time-bubble strong{font-size:29px}.time-bubble span{display:none}.task-panel{padding:16px;border-radius:20px}.task-card{grid-template-columns:44px minmax(0,1fr);padding:13px 12px}.task-check{width:42px;height:42px}.star-value{grid-column:2}.summary-panel{grid-template-columns:1fr}.admin-heading{flex-direction:column}.admin-list{padding:5px 14px}.admin-task-row{align-items:flex-start;flex-direction:column}.two-columns{grid-template-columns:1fr}.weekday-grid{grid-template-columns:repeat(4,1fr)}.row-actions{width:100%}.row-actions>*{flex:1}.row-actions button{width:100%}}
.version-chip{background:var(--mint);color:var(--leaf-dark);padding:12px 16px;border-radius:14px;white-space:nowrap}.update-grid{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(280px,.7fr);gap:22px}.update-card{background:white;border:1px solid var(--line);border-radius:22px;padding:26px;box-shadow:var(--shadow)}.file-drop{border:2px dashed #bfd0c1;border-radius:16px;padding:18px;background:#f8fbf6}.file-drop input{height:auto;border:0;padding:0;box-shadow:none}.file-drop span{color:var(--muted);font-weight:400}.security-note{font-size:12px;color:var(--muted);margin:0}.history-list{display:grid}.history-list>div{padding:14px 0;border-bottom:1px solid var(--line);display:grid;grid-template-columns:auto 1fr;gap:6px 10px;align-items:center}.history-list p{margin:0}.history-list time{grid-column:2;color:var(--muted);font-size:12px}.history-status{font-size:11px;font-weight:700;padding:4px 7px;border-radius:999px}.status-success{background:#e3f2e6;color:#285b39}.status-failed{background:#fae8e6;color:#8f3731}.status-running{background:#fff1c8;color:#7a602d}@media(max-width:760px){.update-grid{grid-template-columns:1fr}}