:root{--ink:#172033;--muted:#778196;--line:#e7eaf0;--bg:#f5f7fa;--blue:#2257e7;--green:#18a66a;--amber:#e89b20;--red:#dc4c4c;--nav:#121a2d}*{box-sizing:border-box}body{margin:0;font-family:"Microsoft YaHei","PingFang SC",system-ui,sans-serif;color:var(--ink);background:var(--bg)}button,input,select,textarea{font:inherit}.hidden{display:none!important}.app{min-height:100vh;display:grid;grid-template-columns:220px 1fr}aside{background:var(--nav);color:white;padding:26px 16px;display:flex;flex-direction:column;position:sticky;top:0;height:100vh}.logo{display:flex;align-items:center;gap:12px;padding:0 8px 28px}.logo strong,.logo small{display:block}.logo small{color:#8f9ab0;margin-top:3px}.brand-mark{display:flex;gap:4px;justify-content:center;margin-bottom:20px}.brand-mark span{width:18px;height:18px;border-radius:50%;background:#e24d4d}.brand-mark span:nth-child(2){background:#e9aa2d}.brand-mark span:nth-child(3){background:#32a66c}.brand-mark.small{margin:0}.brand-mark.small span{width:10px;height:10px}nav{display:grid;gap:7px}nav button{border:0;background:transparent;color:#aeb7c8;text-align:left;padding:12px 16px;border-radius:10px;cursor:pointer}nav button:hover,nav button.active{background:#24304a;color:white}.aside-bottom{margin-top:auto;padding:16px 8px 0;border-top:1px solid #29334a;display:flex;justify-content:space-between;color:#b8c0ce}.aside-bottom button{border:0;background:none;color:#7f8aa0;cursor:pointer}main{padding:34px 42px;min-width:0}header{display:flex;align-items:center;justify-content:space-between;margin-bottom:28px}h1,h2,p{margin-top:0}header h1{font-size:25px;margin-bottom:7px}header p,.dialog-head p{color:var(--muted);font-size:14px;margin:0}.primary,.secondary,.warning{border:0;border-radius:9px;padding:11px 18px;cursor:pointer;font-weight:600}.primary{background:var(--blue);color:white;box-shadow:0 5px 15px #2257e733}.primary:disabled{opacity:.55}.secondary{background:#eef1f6;color:#495267}.warning{background:#fff0e0;color:#b35e00}.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-bottom:22px}.stats article{background:white;border:1px solid var(--line);border-radius:14px;padding:20px;position:relative;box-shadow:0 3px 13px #1d2d4a08}.stats span{display:block;color:var(--muted);font-size:14px}.stats strong{display:block;font-size:30px;margin-top:10px}.stats i{position:absolute;right:20px;top:21px;width:11px;height:11px;border-radius:50%}.blue{background:var(--blue)}.amber{background:var(--amber)}.green{background:var(--green)}.red{background:var(--red)}.panel{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden}.toolbar{padding:17px 20px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;gap:16px}.filters{display:flex;gap:5px}.filters button{border:0;background:transparent;padding:8px 12px;color:var(--muted);cursor:pointer;border-radius:8px}.filters button.active{background:#edf2ff;color:var(--blue);font-weight:600}.search{width:260px;border:1px solid var(--line);border-radius:9px;padding:9px 12px;outline:none}.search:focus,input:focus,textarea:focus,select:focus{border-color:#8ca7f4;box-shadow:0 0 0 3px #2257e712}.table-wrap{overflow-x:auto}table{width:100%;border-collapse:collapse;min-width:900px}th{text-align:left;color:#8a93a4;font-size:12px;font-weight:500;background:#fafbfc;padding:12px 20px}td{padding:16px 20px;border-top:1px solid #eff1f4;font-size:14px}tbody tr{cursor:pointer}tbody tr:hover{background:#fafcff}td small{display:block;color:var(--muted);margin-top:5px}.badge{display:inline-block;border-radius:20px;padding:5px 10px;font-size:12px;font-weight:600}.badge.pending{background:#fff4df;color:#af720a}.badge.sent{background:#eaf2ff;color:#2860ba}.badge.doing{background:#e7f8f1;color:#138158}.badge.done{background:#e8f3ff;color:#2262ac}.badge.danger{background:#ffeded;color:#bf3e3e}.badge.closed{background:#eef0f3;color:#666}.urgent,.priority,.overdue{color:var(--red)!important}.more{border:1px solid var(--line);background:white;border-radius:7px;padding:6px 10px;color:#526079;cursor:pointer}.empty{text-align:center;padding:50px;color:var(--muted)}dialog{border:0;border-radius:16px;padding:0;width:min(680px,calc(100vw - 28px));box-shadow:0 20px 70px #17203335}dialog::backdrop{background:#0b142373;backdrop-filter:blur(2px)}dialog form,#detail{padding:26px}.dialog-head{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:24px}.dialog-head h2{font-size:21px;margin-bottom:5px}.icon-btn{border:0;background:#f1f3f6;width:34px;height:34px;border-radius:50%;font-size:23px;line-height:30px;color:#7b8495;cursor:pointer}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.form-grid label{font-size:13px;font-weight:600}.form-grid b{color:var(--red)}.form-grid input,.form-grid select,.form-grid textarea{display:block;width:100%;border:1px solid #dfe3ea;border-radius:8px;padding:10px 11px;margin-top:7px;outline:none;background:white}.form-grid textarea{resize:vertical}.form-grid .full{grid-column:1/-1}.input-pair{display:grid;grid-template-columns:1fr 76px}.input-pair input{border-radius:8px 0 0 8px}.input-pair select{border-left:0;border-radius:0 8px 8px 0}.dialog-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:24px}.error{color:var(--red);font-size:13px;min-height:18px;margin-top:10px}.eyebrow{color:var(--blue);font-size:12px;font-weight:700}.detail-status{display:flex;gap:10px;margin-bottom:20px}.priority{background:#fff0f0;padding:5px 10px;border-radius:20px;font-size:12px;font-weight:600}.detail-dialog dl{display:grid;grid-template-columns:1fr 1fr;border:1px solid var(--line);border-radius:12px;overflow:hidden;margin:0}.detail-dialog dl div{padding:15px 18px;border-bottom:1px solid var(--line)}.detail-dialog dl div:nth-child(odd){border-right:1px solid var(--line)}.detail-dialog dt{color:var(--muted);font-size:12px}.detail-dialog dd{margin:7px 0 0;font-weight:600}.note{margin-top:18px;background:#f7f8fa;padding:15px 18px;border-radius:10px}.note span{font-size:12px;color:var(--muted)}.note p{margin:8px 0 0}.login-wrap{min-height:100vh;display:grid;place-items:center;background:radial-gradient(circle at 20% 10%,#e9efff,transparent 35%),var(--bg);padding:20px}.login-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:38px;width:min(390px,100%);box-shadow:0 18px 50px #17203314}.login-card h1{text-align:center;font-size:23px;margin-bottom:8px}.login-card>p{text-align:center;color:var(--muted);font-size:13px;margin-bottom:28px}.login-card label{display:block;font-size:13px;font-weight:600;margin-top:15px}.login-card input{width:100%;margin-top:7px;border:1px solid #dfe3ea;border-radius:9px;padding:11px;outline:none}.wide{width:100%;margin-top:8px}@media(max-width:900px){.app{grid-template-columns:1fr}aside{position:static;height:auto;padding:14px 16px;flex-direction:row;align-items:center}.logo{padding:0}.logo small{display:none}nav{display:none}.aside-bottom{margin:0 0 0 auto;border:0;padding:0;gap:12px}main{padding:22px 16px}.stats{grid-template-columns:1fr 1fr}.toolbar{align-items:stretch;flex-direction:column}.search{width:100%}}@media(max-width:560px){header{align-items:flex-start}header h1{font-size:21px}header .primary{padding:10px 12px}.stats{gap:10px}.stats article{padding:16px}.stats strong{font-size:25px}.form-grid,.detail-dialog dl{grid-template-columns:1fr}.form-grid .full{grid-column:auto}.detail-dialog dl div:nth-child(odd){border-right:0}.filters{overflow:auto}.filters button{white-space:nowrap}dialog form,#detail{padding:20px}}@media print{body>*:not(.detail-dialog){display:none!important}.detail-dialog{display:block!important;position:static;width:100%;box-shadow:none}.icon-btn,.dialog-actions{display:none!important}}