:root{--purple:#654578;--ink:#302838;--muted:#91869b;--line:#e8e1ed;--bg:#f8f6fa}*{box-sizing:border-box}body{margin:0;font:14px/1.7 -apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",sans-serif;background:var(--bg);color:var(--ink)}button,input,textarea,select{font:inherit}button{cursor:pointer;border:0;border-radius:9px;padding:10px 17px;font-size:12px}button:disabled{opacity:.5;cursor:default}button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:3px solid #d4c0e1;outline-offset:2px}h1{font-size:27px;letter-spacing:1px;margin:9px 0}h2{font-size:16px;margin:0}h3{font-size:13px;margin:22px 0 10px}.brand{display:flex;align-items:center;gap:12px;font-weight:600;font-size:15px;letter-spacing:2px}.brand>span{width:39px;height:39px;background:var(--purple);border-radius:12px;display:grid;place-items:center;color:white;font:24px Georgia}.brand small{display:block;color:var(--muted);font-size:9px;letter-spacing:1.5px;font-weight:400}.primary{background:var(--purple);color:white}.primary:hover{background:#533464}.light{background:white;color:var(--purple);border:1px solid var(--line)}.full{width:100%;margin-top:26px}.muted{color:var(--muted)}.small{font-size:11px}.hint{font-size:11px;color:#a194aa;line-height:1.9}.error{color:#b24d5c;font-size:12px;overflow-wrap:anywhere}.hide{display:none!important}header{height:83px;border-bottom:1px solid var(--line);background:white;display:flex;align-items:center;justify-content:space-between;padding:0 max(30px,calc((100vw - 1150px)/2))}.identity{display:flex;align-items:center;gap:18px;font-size:12px}main{max-width:1150px;margin:35px auto;padding:0 24px}.heading{display:flex;justify-content:space-between;align-items:center;margin-bottom:28px}.heading p{font-size:12px;margin:0}.eyebrow{font-size:10px;color:#ab94ba;letter-spacing:2px}.database{font-size:11px;border:1px solid #dfd2e7;background:#eee7f4;padding:5px 12px;border-radius:20px;color:#7a5e8c}.tabs{display:flex;border-bottom:1px solid var(--line);margin-bottom:24px;gap:20px}.tabs button{background:none;padding:12px 2px;border-radius:0;color:var(--muted);border-bottom:2px solid transparent}.tabs .active{border-color:var(--purple);color:var(--purple);font-weight:600}.columns{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:24px;align-items:start}.panel{background:white;border:1px solid var(--line);border-radius:13px;overflow:hidden}.panel-head{padding:20px 24px;border-bottom:1px solid #f0ebf4;display:flex;align-items:center;justify-content:space-between;gap:15px}form#compose-form{padding:22px 26px}label{display:block;font-size:12px;font-weight:550;margin:17px 0 9px}label:first-child{margin-top:0}em{font-style:normal;color:#b48376}input,textarea,select{width:100%;border:1px solid #ded4e6;border-radius:9px;background:white;padding:12px 14px;color:var(--ink);font-size:13px}textarea{resize:vertical;line-height:1.9}.count{text-align:right;font-size:10px;color:#aea0b7}.notes{padding:8px 24px 20px;font-size:12px;color:#a093ab}.notes p{margin:18px 0;line-height:1.9}.notes b{color:#73627f;font-weight:500}.form-footer{display:flex;align-items:center;justify-content:space-between;border-top:1px solid var(--line);padding-top:20px;margin-top:24px;gap:16px}.search-results{max-height:240px;overflow:auto;border:1px solid var(--line);border-radius:9px;margin-top:10px}.student-result{width:100%;display:flex;align-items:center;text-align:left;justify-content:space-between;border-radius:0;background:#fff;border-bottom:1px solid #f1ecf4;gap:10px}.student-result small{display:block;color:var(--muted);font-size:10px;word-break:break-all}.student-result:hover{background:#f5f0f8}.student-result:last-child{border:0}.chips{display:flex;gap:8px;flex-wrap:wrap}.chip{background:#f2ebf7;color:#755486;padding:5px 9px;border-radius:7px;font-size:11px}.empty{padding:45px 20px;text-align:center;color:var(--muted);font-size:12px}.history-item{padding:24px;border-bottom:1px solid var(--line)}.history-item h3{font-size:16px;margin:0 0 8px}.history-body{white-space:pre-wrap;overflow-wrap:anywhere;color:#7a6b86;font-size:12px;line-height:1.9}.history-meta{display:flex;gap:14px;flex-wrap:wrap;font-size:10px;color:#9f90a8;margin-top:18px}.pagination{display:flex;justify-content:flex-end;gap:15px;padding:18px 24px;align-items:center;font-size:11px;color:var(--muted)}.status{font-size:12px;color:var(--purple);padding:16px 0}.login{min-height:100svh;display:grid;place-items:center;padding:25px}.login-card{background:white;border:1px solid var(--line);border-radius:20px;width:100%;max-width:430px;padding:36px}.login-card h1{font-size:24px;margin-top:35px}.login-card p{font-size:12px}.login-card form{margin-top:26px}dialog{border:1px solid var(--line);border-radius:16px;max-width:620px;width:calc(100vw - 40px);padding:28px;color:var(--ink)}dialog::backdrop{background:#24152f66;backdrop-filter:blur(3px)}dialog h3{font-size:21px;margin:22px 0}.preview-body{white-space:pre-wrap;overflow-wrap:anywhere;font-size:14px;max-height:45vh;overflow:auto;border-top:1px solid var(--line);padding-top:20px}.dialog-buttons{display:flex;justify-content:flex-end;gap:12px;margin-top:25px}.loading{min-height:100svh;display:grid;place-items:center;color:var(--muted)}@media(max-width:800px){.columns{grid-template-columns:1fr}.columns aside{display:none}header{padding:0 22px}.heading{align-items:flex-start;gap:15px}.heading .database{max-width:160px;word-break:break-all}main{margin-top:25px;padding:0 16px}.identity{gap:10px}.form-footer{flex-direction:column;align-items:stretch}.panel-head{padding:18px}form#compose-form{padding:20px}.login-card{padding:28px}}