@font-face{font-family:StudySerif;src:url('./assets/site/5868d251589c8c465ccc.woff2') format('woff2');font-display:swap}
:root{--hover:color-mix(in srgb,var(--accent) 7%,transparent);--ok:var(--gold);font-family:StudySerif,'Noto Serif SC','Songti SC',SimSun,serif}
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.record-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.metric{padding:20px;border:1px solid var(--line);background:var(--paper)}.metric strong{font-size:28px;display:block;margin:8px 0}.task{display:flex;gap:12px;padding:18px 0;border-bottom:1px solid var(--line);align-items:flex-start}.task>div{flex:1}.task p{font-size:14px;color:var(--muted);margin-top:8px}.task small{font-size:12px}.record-article{padding:20px 0;border-bottom:1px solid var(--line)}.record-article header{display:flex;justify-content:space-between;gap:12px;align-items:center;margin-bottom:10px}.record-article p{font-size:14px;white-space:pre-wrap;margin-top:8px}.record-article button{font-size:12px}table{border-collapse:collapse;width:100%;font-size:14px}th,td{text-align:left;padding:13px 10px;border-bottom:1px solid var(--line)}.table-wrap{overflow:auto}th{white-space:nowrap;color:var(--muted);font-weight:400}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.form-stack{display:grid;gap:18px}.form-stack label{display:grid;gap:6px}.form-stack footer{margin:0;text-align:right}.primary{background:var(--accent);color:var(--bg);border-color:var(--accent)}dialog{color:var(--ink);background:var(--paper);border:1px solid var(--line);border-radius:10px;width:min(620px,calc(100vw - 24px));max-height:85dvh;padding:0;box-shadow:0 16px 50px #0003}dialog::backdrop{background:#0008;backdrop-filter:blur(4px)}dialog>header{position:sticky;top:0;background:var(--paper);z-index:1;display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid var(--line)}dialog>header h2{font-size:20px}#editorBody{padding:22px}dialog header button{border:0;font-size:24px}.undo-bar{position:fixed;z-index:20;bottom:max(20px,env(safe-area-inset-bottom));left:50%;transform:translateX(-50%);border:1px solid var(--accent);padding:12px 18px;display:flex;gap:20px;align-items:center;background:var(--paper);max-width:calc(100vw - 24px);font-size:14px}footer{margin-top:40px;padding:20px 0;color:var(--muted);font-size:12px;border-top:1px solid var(--line)}.legacy-list{max-height:320px;overflow:auto}.legacy-list p{padding:10px 0;border-top:1px solid var(--line);font-size:14px}
@media(min-width:1500px){.knowledge-layout{grid-template-columns:minmax(0,1fr) 360px}}@media(max-width:1100px){.shell{grid-template-columns:165px minmax(0,1fr)}.sidebar{padding:28px 12px}.knowledge-layout{grid-template-columns:minmax(0,1fr) 270px}main{padding:28px 22px}.topbar{padding:14px 22px}.subject-card{padding:22px}.record-grid{grid-template-columns:1fr}#syncStatus{max-width:180px}}@media(max-width:850px){.shell{display:block}.sidebar{position:static;display:block;height:auto;padding:12px 20px;border-right:0;border-bottom:1px solid var(--line)}.sidebar>.eyebrow,.sidebar-foot{display:none}.sidebar nav{display:flex;overflow:auto;gap:5px}.sidebar nav a{flex-shrink:0;padding:10px 12px;border-left:0;border-bottom:2px solid transparent}.sidebar nav a[aria-current=page]{border-bottom-color:var(--accent)}.knowledge-layout{grid-template-columns:minmax(0,1fr) 280px}.topbar{align-items:flex-start}.top-actions #syncStatus{flex-basis:100%;text-align:right;max-width:none}.top-actions{gap:2px}.top-actions button{padding:8px}.subject-card .number small{display:block;margin:12px 0 0}}
@media(max-width:767px){.topbar{padding:14px 16px;gap:10px}.brand{display:block}.brand strong{font-size:22px}.brand span{display:block;font-size:12px}.top-actions button{font-size:12px}.top-actions #syncStatus{max-width:220px}.sidebar{padding:8px 12px}main{padding:26px 16px 18px}.subject-grid{grid-template-columns:1fr;gap:14px}.subject-card{min-height:180px;padding:23px}.subject-card .number small{display:inline;margin-left:10px}.countdown strong{font-size:56px}.countdown .date{font-size:12px}.page-heading h1{font-size:30px}.page-heading{flex-wrap:wrap;margin-bottom:23px}.page-heading p:not(.eyebrow){font-size:14px}.knowledge-layout{display:block}.detail{position:static}.detail-back{display:inline-flex;margin-bottom:15px}.knowledge-layout[data-node-selected=true] .knowledge-surface{display:none}.knowledge-layout[data-node-selected=false] .detail{display:none}.toolbar{gap:12px}.toolbar input[type=search]{width:100%;max-width:none;flex-basis:100%}.tree{padding:8px}.tree details{margin-left:10px}.point-row{margin-left:8px}.tree summary{font-size:14px;gap:4px}.branch-count{font-size:11px}.point-row>a{font-size:14px}.point-row small{display:none}.form-grid{grid-template-columns:1fr}.panel{padding:18px}.section-row{align-items:flex-start}.record-article header{flex-wrap:wrap}.undo-bar{width:max-content;gap:12px;padding:10px 12px}.progress-summary{flex-wrap:wrap}.map-controls small{flex-basis:100%;margin:0}.notice button{margin:8px 0 0}.subnav{gap:2px}.subnav a{padding:9px 12px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important;animation:none!important}}@media print{.top-actions,.sidebar,.toolbar,.undo-bar{display:none}.shell{display:block}.detail{position:static}:root{--bg:white;--paper:white;--ink:black;--muted:#555;--line:#bbb;--accent:#444;color-scheme:light}}

.completion-state{display:flex;align-items:center;gap:8px}.branch-detail{min-width:36px;min-height:36px;display:inline-flex;align-items:center;justify-content:center}
@media(max-width:767px){body[data-point-view=true] #view>.page-heading,body[data-point-view=true] #view>.progress-summary,body[data-point-view=true] #view>.toolbar{display:none}.branch-detail{min-width:44px;min-height:44px}.branch-count{white-space:normal;max-width:60px}}

/* One dashboard design, two modes. Liquid is decorative and finite-motion only. */
.subject-card{position:relative;isolation:isolate;overflow:hidden;border-color:transparent;background:var(--paper);box-shadow:0 1px 0 color-mix(in srgb,var(--ink) 9%,transparent);border-radius:14px;min-height:225px;color:var(--ink)}
.subject-card:hover{background:var(--paper);border-color:color-mix(in srgb,var(--accent) 45%,transparent);color:var(--ink)}
.subject-card[data-subject=politics]{--liquid:#e4b5a3}.subject-card[data-subject=english2]{--liquid:#add4c5}.subject-card[data-subject=math2]{--liquid:#b2cce6}.subject-card[data-subject="408"]{--liquid:#cbbbe1}
:root[data-appearance=dark] .subject-card[data-subject=politics]{--liquid:#643d32}:root[data-appearance=dark] .subject-card[data-subject=english2]{--liquid:#2d5045}:root[data-appearance=dark] .subject-card[data-subject=math2]{--liquid:#334b64}:root[data-appearance=dark] .subject-card[data-subject="408"]{--liquid:#4c3d65}
.liquid-fill{position:absolute;bottom:0;left:0;width:100%;background:var(--liquid);z-index:-2;pointer-events:none}
.liquid-wave{position:absolute;left:0;top:-6px;width:100%;height:12px;fill:var(--liquid);transform-origin:center bottom;pointer-events:none}
.subject-card[data-progress="0"] .liquid-wave,.subject-card[data-progress="100"] .liquid-wave{display:none}
.liquid-scrim{position:absolute;inset:0;background:color-mix(in srgb,var(--paper) 30%,transparent);z-index:-1;pointer-events:none}
.subject-card .number{margin:26px 0 18px;font-size:44px;letter-spacing:-.03em}.subject-card .number small{letter-spacing:0;color:var(--text)}.subject-card .card-note,.subject-card .vocab-line{color:var(--text)}.subject-card .vocab-line{border-color:color-mix(in srgb,var(--ink) 17%,transparent)}
.subject-card[data-loaded=false] .number{color:var(--muted)}
.panel,.knowledge-surface,.metric{border-color:color-mix(in srgb,var(--ink) 12%,transparent)}
@media(max-width:767px){.subject-card{min-height:200px}.subject-card .number{font-size:40px}}

html{background:var(--bg)}
.sidebar{overflow-y:auto;overscroll-behavior:contain}
.exam-shortcuts{border-top:1px solid var(--line);padding-top:18px}.exam-shortcuts h2{font-size:12px;font-weight:500;color:var(--muted);letter-spacing:.08em;margin:0 0 9px 12px}
.sidebar #examLinks{display:grid;gap:3px}.sidebar #examLinks a{display:flex;align-items:center;gap:10px;padding:5px 9px;min-height:44px;border:0;border-radius:6px;color:var(--text);font-size:13px;white-space:nowrap}.sidebar #examLinks a:hover{background:var(--hover);color:var(--ink)}
.exam-icon{display:flex;align-items:center;justify-content:center;flex:0 0 29px;height:29px;border-radius:8px;background:color-mix(in srgb,var(--exam-color) 12%,transparent);color:var(--exam-color)}.exam-icon svg{width:19px;height:19px}.exam-external{margin-left:auto;color:var(--muted);font-size:12px}
.exam-english{--exam-color:#28735d}.exam-math{--exam-color:#356b9d}.exam-cs{--exam-color:#79549b}.exam-formula{--exam-color:#92652a}.exam-all{--exam-color:#a1533b}
:root[data-appearance=dark] .exam-english{--exam-color:#83c5ad}:root[data-appearance=dark] .exam-math{--exam-color:#8bb9e4}:root[data-appearance=dark] .exam-cs{--exam-color:#bea0dc}:root[data-appearance=dark] .exam-formula{--exam-color:#d5b477}:root[data-appearance=dark] .exam-all{--exam-color:#db9a83}
@media(max-width:850px){.sidebar{overflow:visible}.exam-shortcuts{margin-top:9px;padding-top:10px}.exam-shortcuts h2{margin-left:12px;margin-bottom:6px}.sidebar #examLinks{display:flex;overflow-x:auto;max-width:100%;padding:3px 2px 7px;gap:7px;scrollbar-width:thin}.sidebar #examLinks a{flex-shrink:0;padding:5px 9px;gap:7px}.exam-external{display:none}}
@media print{.exam-shortcuts{display:none}}