:root{--green:#214d3b;--green2:#173b2d;--paper:#f5f6f3;--cream:#f7f3e8;--ink:#202c26;--muted:#68776e;--line:#e1e7df;--amber:#985f0b;--red:#a13b31}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font:15px/1.65 system-ui,-apple-system,'Microsoft YaHei','Noto Sans CJK SC',sans-serif}a{color:var(--green);text-decoration:none}a:hover{text-decoration:underline}.sidebar{position:fixed;inset:0 auto 0 0;width:220px;background:var(--green2);color:white;display:flex;flex-direction:column;padding:32px 24px}.brand{font-size:28px;font-weight:750;color:var(--cream);letter-spacing:3px}.brand span{display:block;font-size:12px;letter-spacing:2px;color:#b9cbbb;font-weight:400;margin-top:6px}nav{margin-top:35px;display:grid;gap:4px}nav a{color:#e3eee5;padding:10px 12px;border-radius:6px;font-size:15px}nav a:hover,nav a.current{background:#ffffff13;text-decoration:none}.nav-label{font-size:11px;color:#94b29e;letter-spacing:3px;margin:22px 12px 5px}.account{margin-top:auto;padding:20px 12px 0;border-top:1px solid #ffffff20}.account a,.account button{color:#c2d4c8;font-size:13px}.account small{color:#94b29e}main{margin-left:220px;max-width:1600px;padding:40px 48px 70px}.page-head{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:25px}.eyebrow{font-size:11px;letter-spacing:2.5px;color:#79877c;font-weight:700}h1{font-size:30px;line-height:1.3;margin:9px 0 10px;letter-spacing:-.5px}h2{font-size:18px;margin:0 0 16px}h3{font-size:16px}p{margin:8px 0 16px}.muted,.fine{color:var(--muted)}.fine{font-size:12px}.card{background:white;border:1px solid var(--line);border-radius:10px;padding:25px;margin-bottom:24px}.narrow{max-width:920px}.two-col{display:grid;grid-template-columns:1fr 1fr;gap:24px}.two-col .card{min-width:0}.section-head{display:flex;justify-content:space-between;align-items:center;gap:15px}.section-head a{font-size:13px}.filters{display:flex;align-items:end;gap:14px;flex-wrap:wrap;margin-bottom:22px}.filters label{min-width:150px}.filters input,.filters select{min-height:40px}.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(195px,1fr));gap:16px;margin:18px 0 28px}.stats article{background:white;padding:22px;border:1px solid var(--line);border-radius:10px;min-width:0}.stats span{color:var(--muted);font-size:13px}.stats strong{display:block;font-size:29px;line-height:1.4;letter-spacing:-.8px;margin:12px 0}.stats small{font-size:11px;line-height:1.7}.stats .accent{background:var(--green);color:var(--cream);border-color:var(--green)}.stats .accent span,.stats .accent small{color:#d4e2d7}em{font-style:normal;font-size:15px;margin-left:5px}.meta-row{display:flex;justify-content:space-between;gap:20px;font-size:12px;color:var(--muted)}small{display:block;color:var(--muted);font-size:12px}.table-scroll{overflow-x:auto}table{width:100%;border-collapse:collapse;white-space:nowrap}th{text-align:left;font-size:12px;color:var(--muted);font-weight:600;border-bottom:1px solid var(--line);padding:12px 14px;background:#fafbf8}td{padding:15px 14px;border-bottom:1px solid #edf0eb;font-size:14px}tbody tr:last-child td{border-bottom:0}.empty{padding:45px;text-align:center;color:var(--muted);white-space:normal}.positive{color:var(--green);font-weight:650}.right{text-align:right}.ledger-line{display:flex;justify-content:space-between;gap:20px;padding:18px 0;border-bottom:1px solid var(--line)}.tip{padding:15px 0;border-bottom:1px solid var(--line)}.tip p{font-size:13px;color:var(--muted);margin:6px 0}.tip:last-child{border-bottom:0}input,select,textarea{font:inherit;padding:9px 12px;border:1px solid #cbd5cb;border-radius:6px;background:white;color:var(--ink);max-width:100%;width:100%}input:focus,select:focus,textarea:focus{outline:2px solid #88aa8c;outline-offset:1px}input[type=checkbox]{width:auto;margin-right:8px;accent-color:var(--green)}label{display:block;font-size:13px;color:#526458;margin:0 0 7px}form p{margin:14px 0}button,.button{font:600 14px/1.5 inherit;font-family:inherit;display:inline-block;padding:10px 18px;background:white;color:var(--green);border:1px solid #b8c9bb;border-radius:6px;cursor:pointer;white-space:nowrap}.primary{background:var(--green);color:white;border-color:var(--green)}button:hover,.button:hover{filter:brightness(.95);text-decoration:none}.danger{color:var(--red);border-color:#d7b5b0}.text-button{padding:0;border:0;background:transparent;font-weight:400}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.wide{grid-column:1/-1}.field{min-width:0}.check-card{background:var(--cream);border:1px solid #e7dfcd;border-radius:8px;padding:20px;margin:24px 0}.check-card span{color:#7e7254;font-size:12px}.check-card p{margin:8px 0}.check-card strong{font-size:24px;color:var(--green)}.notice{padding:13px 18px;background:#e7f0e6;border:1px solid #cbdcc6;border-radius:7px;margin-bottom:18px;white-space:normal}.notice.error{background:#f9ede9;color:var(--red);border-color:#e8cfc9}.notice.warning{background:#faf1de;color:var(--amber);border-color:#e9d9b5}.block{display:block}.badge{display:inline-block;padding:3px 8px;background:#edf1ec;border-radius:4px;font-size:12px}.badge.pending{background:#fbefda;color:#92611a}.badge.void{background:#efefef;color:#808080}.badge.active{background:#e5f0e6;color:var(--green)}.errorlist{list-style:none;padding:12px;color:var(--red);background:#fff2ed;border-radius:6px}.helptext{display:block;font-size:12px;color:var(--muted)}.helptext ul{padding-left:20px}.pagination{margin-top:18px;display:flex;gap:18px;align-items:center;font-size:13px;color:var(--muted)}dl{display:grid;grid-template-columns:110px 1fr;gap:12px;font-size:14px}dt{color:var(--muted)}dd{margin:0;word-break:break-word}details{padding:15px 0;border-top:1px solid var(--line)}summary{cursor:pointer;color:var(--green);font-weight:600}details form{margin-top:18px}pre{white-space:pre-wrap;word-break:break-word;font-size:12px;background:#f7f8f4;padding:12px}.comment{padding:18px 0;border-top:1px solid var(--line)}.comment div{display:flex;gap:16px;justify-content:space-between}.comment span{font-size:12px;color:var(--muted)}.comment p{white-space:normal;overflow-wrap:anywhere}.divider{border-top:1px solid var(--line);margin:20px 0}.auth-main{margin:0;max-width:none;min-height:100vh;display:grid;place-items:center;background:linear-gradient(130deg,#eaf0e7,#f7f3e8)}.login-card{width:min(430px,100%);padding:45px;background:white;border:1px solid var(--line);border-radius:14px;box-shadow:0 20px 70px #264e3310}.login-card h1{color:var(--green);font-size:38px}.full{width:100%}.bulk-tools{background:#eef3ec;padding:18px;border-radius:7px;display:flex;align-items:end;gap:12px;flex-wrap:wrap;position:sticky;top:0;z-index:2}.bulk-tools label{max-width:250px}.stack{display:grid;gap:14px}.chip-list{display:flex;flex-wrap:wrap;gap:7px;margin-bottom:20px}.chip-list a{border:1px solid var(--line);background:white;padding:6px 10px;border-radius:5px;font-size:12px}.checklist{display:flex;flex-wrap:wrap;gap:12px}.checklist label{background:#f5f7f3;padding:6px 10px}.inline-form{display:flex;gap:8px;align-items:center}.inline-form input{width:auto}.announcement-body{white-space:pre-wrap;overflow-wrap:anywhere;font-size:16px}.sticky{position:sticky;top:0}.settings-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}.settings-grid .card{margin:0}.subnav{display:flex;flex-wrap:wrap;gap:15px;margin-bottom:25px}.subnav a{font-size:14px}.form-note{font-size:12px;color:var(--muted);margin-top:8px}
@media(max-width:1100px){main{padding:30px 24px}.sidebar{width:190px;padding:28px 18px}main{margin-left:190px}.two-col,.settings-grid{grid-template-columns:1fr}.stats{grid-template-columns:repeat(2,1fr)}}@media(max-width:720px){.sidebar{position:static;width:100%;padding:15px 18px}.brand{font-size:21px}.brand span{display:inline;margin-left:15px;font-size:10px}.sidebar nav{margin-top:15px;display:flex;overflow-x:auto;gap:2px}.sidebar nav a{white-space:nowrap;font-size:13px;padding:7px 10px}.nav-label{display:none}.account{padding:10px 0 0;margin-top:10px;display:flex;gap:12px;align-items:center;font-size:12px}.account small{display:none}main{margin:0;padding:25px 16px}.auth-main{padding:20px}.page-head{align-items:flex-start}.page-head .button{font-size:12px;padding:8px 12px}h1{font-size:26px}.stats{gap:10px}.stats article{padding:16px}.stats strong{font-size:23px}.stats small{font-size:10px}.card{padding:18px;border-radius:8px}.form-grid{grid-template-columns:1fr}.filters{gap:10px}.filters label{min-width:130px;flex:1}.meta-row{display:block}.meta-row span{display:block}.comment div{display:block}.comment span{display:block}.bulk-tools{position:static}.login-card{padding:32px}.settings-grid{gap:15px}table{font-size:13px}.subnav{gap:12px}}

.trend-list{display:grid;gap:16px;margin:22px 0}.trend-row{display:grid;grid-template-columns:75px 1fr 140px 105px;gap:16px;align-items:center;color:inherit;text-decoration:none;font-size:14px}.trend-track{height:12px;background:#edf1e9;border-radius:12px;overflow:hidden}.trend-track div{height:100%;background:#3f7964;border-radius:12px}.trend-row strong{text-align:right}.teacher-students{padding:14px 0;border-bottom:1px solid #e1e6de}.teacher-students summary{cursor:pointer}.trend-row small{color:#718075}@media(max-width:600px){.trend-row{grid-template-columns:64px 1fr 100px;gap:8px;font-size:12px}.trend-row small{grid-column:2/4}.trend-list{gap:12px}}

.sheet-toolbar{display:flex;gap:10px;flex-wrap:wrap;align-items:center;background:#eaf0e7;border:1px solid var(--line);padding:12px 14px;border-radius:7px 7px 0 0}.sheet-toolbar input{max-width:280px;font-size:13px}.sheet-toolbar button{padding:8px 12px}.sheet-toolbar span{font-size:13px}.sheet-error{color:#a13b31;font-weight:650}.sheet-scroll{overflow:auto;max-height:68vh;border:1px solid #cbd5c8;background:#fff}.sheet-table{width:max-content;table-layout:fixed;min-width:100%}.sheet-table th{position:sticky;top:0;z-index:4;background:#e8eee3;color:#36513b;border:1px solid #cbd5c8;padding:9px;font-size:12px}.sheet-table td{border:1px solid #e1e7df;height:43px;padding:0 7px;font-size:13px;max-width:250px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.sheet-table td input,.sheet-table td select{border:0;border-radius:0;background:transparent;font-size:13px;padding:9px 5px;width:100%;min-width:80px;height:42px}.sheet-table td input:focus,.sheet-table td select:focus{outline:2px solid #46764a;outline-offset:-2px;background:#f8fbf3}.sheet-table th:first-child,.sheet-table td:first-child{position:sticky;left:0;z-index:2;background:#f0f4eb;min-width:130px;width:130px}.sheet-table th:first-child{z-index:5}.sheet-table [data-col="student"]{min-width:230px;width:230px}.sheet-table [data-col="teacher"] select{max-width:155px}.sheet-table [data-col="day"]{width:140px;min-width:140px}.sheet-table [data-col="subject"]{width:90px}.sheet-table [data-col="remark"]{min-width:200px}.sheet-table [data-col="actual_campus"]{min-width:130px}.sheet-table [data-col="start"],.sheet-table [data-col="end"]{width:110px}.sheet-table [data-col="price"],.sheet-table [data-col="quantity"]{width:95px}.sheet-readonly{background:#f7f8f5;color:#68776e}.sheet-dirty{background:#fffbe9}.sheet-invalid{background:#fff0eb;outline:2px solid #a13b31}.sheet-footer{display:flex;justify-content:space-between;gap:16px;font-size:12px;color:var(--muted);padding:12px 0}.sheet-table small{font-size:10px}.sheet-table button{font-size:12px}button:disabled{opacity:.5;cursor:not-allowed}@media(max-width:720px){.sheet-toolbar input{max-width:none}.sheet-scroll{max-height:65vh}.sheet-table th:first-child,.sheet-table td:first-child{position:static}.sheet-footer{display:block}}

.sheet-table .sheet-student-code{font-size:10px;color:#50634f;padding:0 5px 4px;line-height:1.2}.sheet-table td[data-col="student"] select{height:29px;padding-top:4px;padding-bottom:2px}

.teacher-tabs{display:flex;gap:8px;overflow-x:auto;align-items:stretch;margin:4px 0 0;padding:0 0 10px;scrollbar-width:thin}.teacher-tabs .teacher-tab{flex:0 0 auto;display:flex;align-items:center;gap:12px;padding:10px 16px;background:#eaf0e6;border:1px solid #d9e2d4;border-radius:7px;color:#42604b;text-decoration:none}.teacher-tab span{font-size:11px;opacity:.8}.teacher-tabs .teacher-tab.selected{background:var(--green);border-color:var(--green);color:#fff}.teacher-sheet-section{background:#fff;border:1px solid #d6dfd1;border-radius:10px;padding:20px;margin-top:8px}.teacher-section-head{display:flex;justify-content:space-between;align-items:center;gap:16px;margin-bottom:20px}.teacher-section-head h2{font-size:24px;margin:5px 0}.teacher-section-head small{font-size:12px}.teacher-sheet-section .sheet-toolbar{border-bottom:0}.teacher-sheet-section .sheet-scroll{max-height:62vh}.teacher-tabs .teacher-tab:focus-visible{outline:2px solid #46764a;outline-offset:-3px}@media(max-width:720px){.teacher-sheet-section{padding:12px}.teacher-section-head{align-items:flex-start;gap:10px}.teacher-section-head .button{font-size:12px;padding:8px}.teacher-section-head h2{font-size:22px}.teacher-tabs .teacher-tab{padding:8px 12px}}

.section-lock{display:flex;align-items:center;flex-wrap:wrap;gap:14px;margin:0 0 16px;padding:10px 14px;background:var(--paper);border-radius:6px;font-size:13px}.section-lock form{margin:0}.section-lock button{padding:6px 12px;font-size:13px}.section-lock span{color:var(--muted)}.sheet-selected,.sheet-selected input,.sheet-selected select{background:#dcebdd!important}.sheet-selected{box-shadow:inset 0 0 0 1px #689378}.selection-mode{user-select:none}.selection-mode input,.selection-mode select{pointer-events:none}.sheet-toolbar button[aria-pressed=true]{background:var(--green);color:#fff}