:root{--ink:#17231d;--muted:#6c786f;--line:#dce4de;--paper:#f7faf6;--green:#236b4b;--lime:#d9f36a;--orange:#ef8b45;--white:#fff}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font:14px/1.5 Inter,"Microsoft YaHei",sans-serif}header{height:76px;padding:0 5vw;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;background:#fbfdfb}.header-actions{display:flex;align-items:center;gap:8px}.brand{display:flex;align-items:center;gap:12px}.brand small,.eyebrow{letter-spacing:.16em;font-size:10px;color:var(--green);font-weight:700}.brand h1{font-size:18px;margin:0}.mark{display:grid;place-items:center;width:34px;height:34px;background:var(--lime);font-weight:800;border-radius:8px}.ghost,.back,.secondary,button{border:1px solid var(--line);background:var(--white);color:var(--ink);padding:9px 14px;border-radius:7px;cursor:pointer}.ghost:hover,.secondary:hover,.back:hover{border-color:var(--green)}main{max-width:1440px;margin:0 auto;padding:48px 5vw 80px}h2{font-size:30px;line-height:1.15;margin:7px 0 10px;letter-spacing:0}.muted{color:var(--muted);margin:0}.class-grid{display:grid;grid-template-columns:repeat(5,minmax(150px,1fr));gap:12px;margin-top:34px}.class-card{background:#fff;border:1px solid var(--line);padding:20px;border-radius:9px;cursor:pointer;transition:.16s}.class-card:hover{transform:translateY(-2px);border-color:var(--green);box-shadow:0 8px 24px #183a2512}.class-card strong{display:block;font-size:22px}.class-card span{display:block;color:var(--muted);margin-top:8px}.class-card .dot{display:inline-block;width:7px;height:7px;background:var(--orange);border-radius:50%;margin-right:5px}.hidden{display:none!important}.back{padding-left:0;border:0;background:transparent;color:var(--green);margin-bottom:24px}.section-head,.admin-top,.panel-title-row{display:flex;justify-content:space-between;gap:24px;align-items:flex-start}.actions{display:flex;gap:8px;flex-wrap:wrap;justify-content:flex-end}.primary{background:var(--green);color:white;border-color:var(--green)}.primary:hover{background:#174c35}.uploadBtn,.file-drop{display:inline-flex;align-items:center;border:1px solid var(--line);background:white;padding:9px 14px;border-radius:7px;cursor:pointer}.uploadBtn input,.file-drop input{display:none}.save-state{height:24px;color:var(--green);margin:22px 0 3px}.table-wrap{overflow:auto;border:1px solid var(--line);background:#fff;border-radius:9px}.table-wrap table{width:100%;border-collapse:collapse;min-width:720px}.table-wrap th{background:#eef4ef;text-align:left;font-weight:700;position:sticky;top:0;z-index:1}.table-wrap th,.table-wrap td{padding:11px 12px;border-bottom:1px solid #edf1ed;white-space:nowrap}.table-wrap td input{border:1px solid transparent;background:transparent;width:100%;padding:5px}.table-wrap td input:focus{background:#f7fbf7;border-color:#b7d3be;outline:0}.admin-grid{display:grid;grid-template-columns:360px 1fr;gap:16px;margin:25px 0}.panel{border:1px solid var(--line);background:#fff;border-radius:9px;padding:20px}.panel-title{font-weight:800;font-size:16px;margin-bottom:10px}.panel input:not([type=file]),.admin-login input{width:100%;border:1px solid var(--line);padding:11px;border-radius:6px;margin:9px 0}.full{width:100%;margin-top:10px}.hint{font-size:12px;color:var(--muted);margin-top:10px}.task-item{display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid #edf1ed;padding:10px 0;gap:10px}.task-item small{color:var(--muted);display:block}.task-actions{display:flex;gap:5px;flex-wrap:wrap;justify-content:flex-end}.danger{color:#b94736;border-color:#e5bbb4}.field-types{margin:14px 0;border-top:1px solid var(--line);padding-top:10px}.field-type-row{display:grid;grid-template-columns:1fr 130px;align-items:center;gap:10px;padding:7px 0;border-bottom:1px solid #edf1ed}.field-type-row select{border:1px solid var(--line);background:#fff;border-radius:6px;padding:7px}.admin-login{display:flex;gap:8px;align-items:center;max-width:560px;margin:24px 0}.admin-login input{margin:0}.admin-login span{color:#c14b35;white-space:nowrap}.data-panel{margin-top:16px}.progress-grid{display:flex;gap:8px;flex-wrap:wrap;margin:15px 0}.progress-chip{padding:7px 10px;border-radius:20px;background:#f0f4f1;color:var(--muted);font-size:12px}.progress-chip.done{background:#dff3e7;color:var(--green)}.filter-bar{display:flex;gap:8px;flex-wrap:wrap;margin:14px 0}.filter-bar select,.filter-bar input{padding:8px;border:1px solid var(--line);border-radius:6px;background:#fff}.filter-select{min-width:130px}.small-note{font-size:12px;color:var(--muted)}body.mobile-mode header{height:auto;min-height:68px;padding:12px 16px;align-items:flex-start}body.mobile-mode .brand h1{font-size:16px}body.mobile-mode .brand small{font-size:8px}body.mobile-mode .header-actions{flex-direction:column;align-items:stretch;gap:5px}body.mobile-mode .header-actions button{padding:8px 10px;font-size:12px}body.mobile-mode main{padding:24px 14px 50px}body.mobile-mode h2{font-size:25px}body.mobile-mode .class-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin-top:24px}body.mobile-mode .class-card{padding:16px 13px;min-height:92px}body.mobile-mode .class-card strong{font-size:20px}body.mobile-mode .section-head{display:block}body.mobile-mode .actions{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;margin-top:16px}body.mobile-mode .actions button,body.mobile-mode .actions .uploadBtn{min-height:44px;justify-content:center;text-align:center;padding:10px 8px}body.mobile-mode .actions #completeBtn{grid-column:1/-1}body.mobile-mode .table-wrap{border-radius:7px;margin-left:-2px;margin-right:-2px}.mobile-mode .table-wrap table{min-width:680px}.mobile-mode .table-wrap th,.mobile-mode .table-wrap td{padding:10px 9px}.mobile-mode .table-wrap td input,.mobile-mode .table-wrap td select{min-height:36px;font-size:14px}.mobile-mode .admin-grid{margin-top:18px}.mobile-mode .panel{padding:16px}.mobile-mode .task-item{display:block}.mobile-mode .task-actions{justify-content:flex-start;margin-top:8px}@media(max-width:850px){main{padding-top:30px}.class-grid{grid-template-columns:repeat(2,1fr)}.section-head,.admin-top{display:block}.actions{justify-content:flex-start;margin-top:20px}.admin-grid{grid-template-columns:1fr}.admin-login{display:block}.admin-login button{width:100%}.admin-login span{display:block;margin-top:8px}}@media(max-width:420px){.brand{gap:8px}.mark{width:30px;height:30px}.brand h1{font-size:15px}.header-actions button{font-size:11px;padding:7px 8px}body.mobile-mode .class-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.mobile-mode .filter-bar{display:grid;grid-template-columns:1fr}.mobile-mode .filter-bar select{width:100%}}