:root{--bg:#f2f5fa;--nav:#0b1730;--nav2:#14284c;--blue:#2563eb;--cyan:#36d5ec;--text:#172033;--muted:#71809c;--line:#e3e9f2;--white:#fff;--radius:16px}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:14px/1.5 Inter,"PingFang SC","Microsoft YaHei",sans-serif}aside{position:fixed;inset:0 auto 0 0;width:224px;background:linear-gradient(180deg,var(--nav),#071022);color:#b9c8e2;padding:26px 16px;display:flex;flex-direction:column}.logo{display:flex;align-items:center;gap:12px;color:#fff;text-decoration:none;font-size:21px;font-weight:700;padding:0 12px 28px}.logo b,.brand-mark{width:40px;height:40px;display:grid;place-items:center;border-radius:12px;background:linear-gradient(135deg,var(--cyan),var(--blue));box-shadow:0 8px 25px #1e65dd55}.logo b{font-size:22px}nav{display:grid;gap:7px}nav a,.logout{display:flex;align-items:center;gap:12px;color:#9fb0cd;text-decoration:none;padding:12px 15px;border-radius:10px;font-weight:600}nav a i{font-style:normal;width:20px;text-align:center;font-size:17px}nav a:hover,nav a.active{background:var(--nav2);color:#fff}.logout{margin-top:auto}.content{margin-left:224px;padding:30px 34px 60px;min-width:800px}.content>header{display:flex;justify-content:space-between;align-items:center;margin-bottom:26px}.content>header h1{font-size:27px;margin:0 0 2px}.content>header p{margin:0;color:var(--muted)}.admin{background:#fff;border:1px solid var(--line);border-radius:30px;padding:10px 17px;font-weight:600}.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-bottom:20px}.stats article,.panel{background:var(--white);border:1px solid #e8edf5;border-radius:var(--radius);box-shadow:0 5px 18px #1b37650a}.stats article{padding:21px 22px}.stats span{display:block;color:var(--muted);font-weight:600}.stats strong{display:block;font-size:34px;margin:5px 0 0}.stats em{font-style:normal;color:#98a4b8;font-size:12px}.panel{padding:22px;margin-bottom:20px}.panel h2{font-size:18px;margin:0 0 5px}.panel>p,.panel-head p{color:var(--muted);margin:0}.panel-head{display:flex;align-items:start;justify-content:space-between;margin-bottom:14px}.panel-head a{color:var(--blue);text-decoration:none}.grid2{display:grid;grid-template-columns:1fr 1fr;gap:20px}table{width:100%;border-collapse:collapse}th{text-align:left;color:var(--muted);font-size:12px;text-transform:uppercase;padding:11px 10px;border-bottom:1px solid var(--line)}td{padding:13px 10px;border-bottom:1px solid #eef2f7;vertical-align:middle}tr:last-child td{border-bottom:0}td b{display:block}td small,.stack small{display:block;color:var(--muted);margin-top:2px}.badge{display:inline-flex;align-items:center;border-radius:20px;padding:3px 9px;font-size:11px;font-weight:700}.badge.green{background:#dcfce7;color:#168344}.badge.gray{background:#edf1f6;color:#67748a}.badge.red{background:#fee2e2;color:#b91c1c}.badge.blue{background:#dbeafe;color:#1d4ed8}.flash{padding:13px 16px;border-radius:11px;margin:-8px 0 20px;font-weight:600}.flash.success{background:#dcfce7;color:#166534}.flash.error{background:#fee2e2;color:#991b1b}button{border:0;background:var(--blue);color:#fff;border-radius:9px;padding:11px 17px;font:inherit;font-weight:700;cursor:pointer}button:hover{filter:brightness(1.08)}button.ghost{background:#eef3fb;color:#36547f;padding:7px 11px}label{display:grid;gap:7px;font-weight:650;color:#46536a}input,select,textarea{width:100%;border:1px solid #d9e1ed;background:#fbfcfe;border-radius:9px;padding:11px 12px;font:inherit;color:var(--text);outline:none}input:focus,select:focus,textarea:focus{border-color:#60a5fa;box-shadow:0 0 0 3px #dbeafe}.stack{display:grid;gap:16px;margin-top:18px}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}.inline-form{display:grid;grid-template-columns:1.5fr 1fr 1.4fr 1fr auto;gap:13px;align-items:end;margin-top:18px}.app-grid{grid-template-columns:minmax(380px,.8fr) 1.2fr}.app-list{margin-top:14px}.app-list article{display:grid;grid-template-columns:48px 1fr auto;gap:13px;padding:14px 0;border-bottom:1px solid var(--line);align-items:center}.app-icon{width:46px;height:46px;border-radius:12px;display:grid;place-items:center;color:#fff;font-size:22px;background:linear-gradient(135deg,#39d5e7,#3867e8)}.app-list small{display:block;color:var(--muted)}.app-list p{margin:4px 0 0;color:#5e6a7e;font-size:12px}.callout{margin-top:35px;background:#eef5ff;border-left:4px solid var(--blue);padding:16px;border-radius:8px}.callout p{margin:5px 0 0;color:#596b85}.login-body{min-height:100vh;display:grid;place-items:center;background:radial-gradient(circle at 70% 15%,#1b4380 0,transparent 33%),linear-gradient(145deg,#071022,#10264a)}.login-card{width:420px;background:#fff;padding:38px 42px;border-radius:22px;box-shadow:0 30px 80px #0006}.login-card .brand-mark{color:#fff;font-size:25px}.login-card h1{margin:22px 0 5px;font-size:25px}.login-card>p{margin:0 0 25px;color:var(--muted)}.login-card form{display:grid;gap:17px}.login-card button{margin-top:5px;padding:13px}.login-card>small{display:block;text-align:center;color:#909bb0;margin-top:20px}@media(max-width:1100px){.stats{grid-template-columns:1fr 1fr}.grid2{grid-template-columns:1fr}.inline-form{grid-template-columns:1fr 1fr}.app-grid{grid-template-columns:1fr}}