:root{--green:#16846e;--green-dark:#09604f;--mint:#eaf8f3;--orange:#f2994a;--ink:#24363b;--muted:#73858a;--line:#d9e6e2;--danger:#cb4b51;--shadow:0 10px 30px rgba(25,75,69,.08)}*{box-sizing:border-box}body{margin:0;background:#f5faf8;color:var(--ink);font:14px/1.5 -apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",sans-serif}.topbar{height:72px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 32px;position:sticky;top:0;z-index:3}.brand{display:flex;align-items:center;gap:10px;color:var(--green-dark)}.brand-mark{font-size:31px}.brand strong{display:block;font-size:20px;letter-spacing:.5px}.brand small{display:block;color:var(--muted);font-size:12px}.account-area{display:flex;align-items:center;gap:10px}.layout{max-width:1440px;margin:24px auto;padding:0 24px;display:grid;grid-template-columns:270px minmax(0,1fr);gap:20px}.card{background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow)}.sidebar{padding:18px;height:calc(100vh - 120px);position:sticky;top:96px;display:flex;flex-direction:column}.panel-title{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}.panel-title h2{margin:0;font-size:17px}.class-list{overflow:auto}.class-item{border:1px solid transparent;border-radius:10px;padding:12px;margin-bottom:8px;cursor:pointer;transition:.2s}.class-item:hover{background:var(--mint)}.class-item.active{background:var(--mint);border-color:#a9ddcf;color:var(--green-dark)}.class-item strong{display:block;font-size:15px}.class-item small{color:var(--muted)}.side-tip{margin-top:auto;border-top:1px dashed var(--line);padding-top:14px;color:var(--muted);font-size:12px}.content{min-width:0}.welcome{text-align:center;padding:130px 30px;color:var(--muted)}.welcome-icon{font-size:54px}.welcome h1{color:var(--ink);font-size:26px;margin:12px 0 4px}.toolbar{padding:16px 20px;display:flex;align-items:center;justify-content:space-between;gap:14px;margin-bottom:16px}.eyebrow{color:var(--muted);font-size:12px}.toolbar h1{font-size:22px;margin:2px 0 0}.toolbar-actions{display:flex;gap:8px;flex-wrap:wrap;justify-content:flex-end}.view-btn,.outline-btn,.primary-btn,.danger-btn{border:1px solid var(--line);background:#fff;color:var(--ink);border-radius:8px;padding:8px 13px;cursor:pointer;font-size:13px}.view-btn.active,.primary-btn{background:var(--green);border-color:var(--green);color:#fff}.view-btn:hover,.outline-btn:hover{border-color:var(--green);color:var(--green)}.danger-btn{color:var(--danger);border-color:#efc2c4}.danger-btn:hover{background:#fff4f4}.view-panel{padding:20px;overflow:hidden}.section-head{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:16px}.section-head h2{font-size:18px;margin:0}.date-tools{display:flex;gap:8px;align-items:center}.date-tools input{border:1px solid var(--line);border-radius:7px;padding:8px}.legend{display:flex;gap:15px;color:var(--muted);font-size:12px;flex-wrap:wrap}.legend b{font-size:16px;color:var(--green-dark);margin-right:2px}.task-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-bottom:20px}.task-box{border:1px solid var(--line);border-radius:9px;padding:10px;background:#fbfefd}.task-box strong{display:block;color:var(--green-dark);margin-bottom:5px}.task-box input{width:100%;border:0;border-bottom:1px solid var(--line);padding:6px 0;background:transparent;outline:0}.table-wrap{overflow:auto;border:1px solid var(--line);border-radius:9px}.data-table{border-collapse:collapse;width:100%;min-width:720px}.data-table th,.data-table td{border-bottom:1px solid var(--line);border-right:1px solid var(--line);padding:9px 10px;text-align:center;white-space:nowrap}.data-table th{background:var(--mint);color:var(--green-dark);font-weight:600}.data-table th:first-child,.data-table td:first-child{text-align:left;position:sticky;left:0;background:#fff;z-index:1}.data-table th:first-child{background:var(--mint);z-index:2}.status-select{border:1px solid var(--line);border-radius:5px;padding:4px;background:#fff;color:var(--ink)}.status-symbol{font-weight:700;font-size:18px}.status-EXCELLENT{color:#e5a900}.status-COMPLETED{color:var(--green)}.status-CORRECT{color:#b27a00}.status-REWRITE{color:#7b63af}.status-MISSING{color:#d14952}.save-bar{display:flex;justify-content:flex-end;margin-top:14px}.summary-pill{display:inline-block;padding:4px 8px;border-radius:20px;background:var(--mint);color:var(--green-dark);font-size:12px}.wide-table{min-width:980px}.monthly-table{min-width:1500px}.empty{padding:25px 8px;text-align:center;color:var(--muted)}.muted{color:var(--muted)}.error{color:var(--danger);min-height:20px;margin-top:8px;font-size:13px}.hidden{display:none!important}.modal{position:fixed;inset:0;background:rgba(26,56,52,.35);display:flex;align-items:center;justify-content:center;z-index:10;padding:20px}.modal-box{width:min(480px,100%);background:#fff;border-radius:14px;padding:25px;position:relative;box-shadow:0 20px 60px rgba(0,0,0,.2)}.modal-box.small{width:min(380px,100%)}.modal-box h2{margin:0 0 8px}.close{position:absolute;right:15px;top:10px;border:0;background:none;font-size:25px;color:var(--muted);cursor:pointer}.modal-box label{display:block;margin:14px 0;color:var(--muted)}.modal-box input{display:block;width:100%;margin-top:6px;padding:10px;border:1px solid var(--line);border-radius:7px;font:inherit}.modal-actions{display:flex;justify-content:flex-end;gap:8px;margin-top:20px}.full{width:100%;margin-top:12px}@media(max-width:900px){.topbar{padding:0 16px}.layout{grid-template-columns:1fr;padding:0 12px}.sidebar{height:auto;position:static}.class-list{display:flex;gap:8px;overflow:auto}.class-item{min-width:150px;margin:0}.side-tip{display:none}.toolbar{align-items:flex-start;flex-direction:column}.toolbar-actions{justify-content:flex-start}.task-grid{grid-template-columns:repeat(2,1fr)}}
/* 总览、科目统计与打印补充样式。周/月使用不同浅色强调，沿用参考图的日清绿、周清橙、月清紫。 */
.class-item{display:block;width:100%;text-align:left;background:white;font:inherit}.welcome{padding:56px 32px;text-align:left}.welcome h1{font-size:30px}.class-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:18px;margin-top:35px}.class-card{background:linear-gradient(135deg,#f0fbf5,#fff);border:1px solid #cce7dc;border-radius:14px;padding:25px;text-align:left;cursor:pointer;color:var(--ink);font:inherit}.class-card span{font-size:32px;display:block;margin-bottom:14px}.class-card strong{font-size:18px;display:block}.class-card small{color:var(--muted);display:block;margin-top:6px}.class-card b{display:block;margin-top:25px;color:var(--green);font-size:13px}.metrics{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:20px}.metric{flex:1;min-width:120px;background:var(--mint);border-radius:10px;padding:12px 16px}.metric strong,.metric span{display:block}.metric strong{font-size:13px;color:var(--green-dark)}.metric b{font-size:26px;line-height:1.6}.metric small{font-size:15px;font-weight:400;color:var(--muted)}.metric span{font-size:11px;color:var(--muted)}.task-box textarea{width:100%;min-height:70px;resize:vertical;border:1px solid var(--line);border-radius:5px;padding:8px;background:#fff;font:inherit}.task-box p{white-space:pre-wrap;overflow-wrap:anywhere}.legend{margin:14px 0}.date-tools select{border:1px solid var(--line);border-radius:7px;padding:8px;background:white}.summary-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:22px}.summary-grid section{padding:14px;border-radius:9px;background:#f8faf9;border:1px solid var(--line);overflow-wrap:anywhere}.summary-grid h3{margin:0 0 12px;font-size:14px;color:var(--green-dark)}.summary-grid p{font-size:12px;line-height:1.8}.batch-btn{background:transparent;border:0;text-decoration:underline;color:var(--green);font-size:11px;cursor:pointer}.save-bar{align-items:center;gap:15px}.task-row td{white-space:pre-wrap;max-width:180px;min-width:100px;font-size:12px;overflow-wrap:anywhere}.theme-weekly{--green:#ba702d;--green-dark:#8d4d19;--mint:#fff4e6;--line:#efdbc7}.theme-monthly{--green:#8052af;--green-dark:#60378d;--mint:#f4edfc;--line:#dfd2ef}.toast{position:fixed;right:24px;bottom:24px;max-width:90vw;background:#174c43;color:white;padding:14px 22px;border-radius:10px;z-index:30;box-shadow:var(--shadow)}button:disabled{opacity:.55;cursor:wait}button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:2px solid var(--green);outline-offset:2px}.monthly-table{min-width:1600px}.view-panel .data-table td:first-child{min-width:135px}
@media(max-width:700px){.section-head{align-items:flex-start;flex-direction:column}.summary-grid{grid-template-columns:1fr}.welcome{padding:28px 20px}.welcome h1{font-size:23px}.account-area .muted{display:none}.date-tools{flex-wrap:wrap}}
/* 日清四类名单独立分栏；中屏两列、手机单列，周/月汇总沿用原布局。 */
.daily-summary-grid{grid-template-columns:repeat(4,minmax(0,1fr))}
@media(max-width:1100px){.daily-summary-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:700px){.daily-summary-grid{grid-template-columns:1fr}}
/* 固定姓名列宽，手机横向滚动时保留足够空间查看当前科目的状态。 */
.subject-list{display:flex;flex-wrap:wrap;gap:8px;max-height:240px;overflow:auto}.subject-chip{padding:6px 12px;border-radius:18px;background:var(--mint);color:var(--green-dark);overflow-wrap:anywhere}.subject-list+.modal-actions{margin-top:18px}
/* 学生名单独立滚动，长姓名换行，移动端保留完整编辑表单。 */
.modal-box.student-manager{width:680px;max-width:100%;max-height:90vh;overflow:auto}.student-fields{display:flex;gap:16px}.student-fields label{flex:1;min-width:0}.student-list{max-height:42vh;overflow:auto;margin-top:16px}.student-table{width:100%;border-collapse:collapse;table-layout:fixed}.student-table th,.student-table td{padding:10px 6px;text-align:left;border-bottom:1px solid var(--border);overflow-wrap:anywhere}.student-table th:last-child{width:150px}.student-table button{padding:6px 10px}
@media(max-width:600px){.student-fields{display:block}.student-table th:last-child{width:115px}.student-table button{padding:5px}}
/* 动态列宽用于屏幕滚动；打印时由纸张宽度重新分配。 */
@media print{.daily-table{min-width:0!important}}
.data-table{table-layout:fixed}.data-table th:first-child,.data-table td:first-child{width:160px;max-width:160px;white-space:normal;overflow-wrap:anywhere}
@media print{@page{size:A4 landscape;margin:10mm}body{background:white;font-size:10px}.topbar,.sidebar,.toolbar-actions,.date-tools,.save-bar,.batch-btn,.modal,.toast{display:none!important}.layout{display:block;margin:0;padding:0}.card{box-shadow:none;border:0;border-radius:0}.toolbar{margin:0;padding:4px}.view-panel{padding:0}.table-wrap{overflow:visible}.data-table,.wide-table,.monthly-table{min-width:0;width:100%;table-layout:fixed}.data-table th,.data-table td{font-size:8px;white-space:normal;padding:3px 1px}.view-panel .data-table th:first-child,.view-panel .data-table td:first-child{position:static;min-width:0;width:88px}.metrics{gap:4px}.metric{padding:4px;min-width:0}.metric b{font-size:16px}.summary-grid{break-inside:avoid}.task-input{border:0!important}.status-select{font-size:9px;width:100%;border:0;padding:0}thead{display:table-header-group}tr{break-inside:avoid}}