:root{--blue:#0b3e8c;--blue2:#155ea8;--ink:#19365c;--muted:#71819a;--line:#dce6f2;--bg:#f4f7fb;--red:#b42318;--green:#167c5b}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:14px/1.5 -apple-system,BlinkMacSystemFont,"Microsoft YaHei",sans-serif}.sidebar{position:fixed;inset:0 auto 0 0;width:246px;background:linear-gradient(180deg,#114887,#062e6b);color:#fff;padding:24px 15px;display:flex;flex-direction:column}.brand{color:#fff;text-decoration:none;display:flex;gap:12px;align-items:center;padding:4px 9px 26px}.brand>span{background:#25cbe1;color:#063573;border-radius:9px;font-weight:900;padding:10px 8px}.brand b{font-size:16px}.brand small{display:block;font-size:12px;font-weight:400;opacity:.83}.sidebar nav{display:grid;gap:6px}.sidebar nav a{color:#d8e8ff;text-decoration:none;padding:12px 14px;border-radius:8px;font-weight:650}.sidebar nav a.active,.sidebar nav a:hover{background:#2166ae;color:#fff}.sidebar-footer{margin-top:auto;padding:16px 12px;border-top:1px solid #3672ae;display:grid;gap:2px}.sidebar-footer small{opacity:.75}.sidebar-footer a{color:#b9e6ff;margin-top:7px}.main{margin-left:246px;min-height:100vh;padding:0 38px 40px}.topbar{height:82px;display:flex;justify-content:space-between;align-items:center;background:#fff;margin:0 -38px 30px;padding:0 38px;border-bottom:1px solid var(--line)}.topbar h1{font-size:20px;margin:1px 0}.topbar small{color:#2161a2;font-weight:700}.page-head{display:flex;justify-content:space-between;align-items:flex-start;gap:16px;margin-bottom:20px}.page-head h2{font-size:28px;margin:0}.page-head p{margin:7px 0 0;color:var(--muted)}.grid{display:grid;gap:16px}.grid.four{grid-template-columns:repeat(4,minmax(0,1fr))}.grid.two{grid-template-columns:repeat(2,minmax(0,1fr))}.card{background:#fff;border:1px solid var(--line);border-radius:12px;padding:18px}.card h3{margin:0 0 8px;font-size:16px}.metric b{display:block;font-size:28px;color:var(--blue)}.metric span{color:var(--muted);font-size:12px}.button,button{border:0;border-radius:7px;padding:9px 13px;background:var(--blue);color:#fff;font-weight:700;cursor:pointer;text-decoration:none;display:inline-block}.button.outline,button.outline{color:var(--blue);background:#fff;border:1px solid #87a8d4}.toolbar{display:flex;flex-wrap:wrap;gap:9px;align-items:end;margin-bottom:15px}.toolbar label,.form-grid label{font-size:12px;font-weight:700;color:#405b7b;display:grid;gap:5px}input,select,textarea{font:inherit;border:1px solid #cbd9ea;border-radius:7px;padding:8px 10px;color:var(--ink);background:#fff}textarea{min-height:84px;resize:vertical}.form-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:13px}.form-grid .wide{grid-column:span 3}table{width:100%;border-collapse:collapse;font-size:13px}th{text-align:left;background:#f0f6fd;color:#60718a;font-weight:700}th,td{padding:10px;border-bottom:1px solid #edf1f6;vertical-align:top}.danger{color:var(--red)!important}.success{color:var(--green)!important}.flash{padding:12px 14px;border-radius:8px;margin:-12px 0 18px}.flash.success{background:#eaf8f1;color:#176747}.flash.error{background:#fff0ef;color:#a42a20}.login-wrap{min-height:100vh;display:grid;place-items:center;background:linear-gradient(135deg,#062e6b,#1b75ba)}.login-card{width:min(420px,92vw);background:#fff;border-radius:15px;padding:30px;box-shadow:0 18px 50px #001b403b}.login-card h1{margin:0 0 5px}.login-card p{color:var(--muted)}.login-card form{display:grid;gap:14px;margin-top:22px}.notice{padding:12px;background:#f4f8fd;border-radius:8px;color:#52657f;font-size:12px}.pagination{display:flex;gap:7px;justify-content:flex-end;margin-top:14px}.pagination a{padding:5px 9px;border:1px solid var(--line);border-radius:5px;color:var(--blue);text-decoration:none}.tag{display:inline-block;border-radius:999px;padding:3px 8px;background:#edf3fb;color:#52657f;font-size:12px}.tag.overdue{background:#fee4e2;color:var(--red)}@media(max-width:900px){.sidebar{position:static;width:auto;min-height:auto}.main{margin:0;padding:20px}.topbar{margin:-20px -20px 20px;padding:0 20px}.grid.four,.grid.two,.form-grid{grid-template-columns:1fr}.form-grid .wide{grid-column:auto}.sidebar-footer{display:none}}