:root{color-scheme:light;font-family:Inter,"Segoe UI","Microsoft YaHei",sans-serif;color:#101828;background:#f4f7fb;--line:#e4eaf2;--muted:#667085;--blue:#2563eb;--green:#079455;--red:#d92d20;--shadow:0 16px 45px rgba(16,24,40,.08)}*{box-sizing:border-box}body{margin:0;min-height:100vh;background:radial-gradient(circle at 12% 0,#e8f1ff 0,transparent 32%),#f4f7fb}.shell{width:min(1220px,calc(100% - 36px));margin:0 auto;padding:36px 0 70px}.login-card{width:min(420px,100%);margin:11vh auto 0;padding:36px;background:#fff;border:1px solid var(--line);border-radius:24px;box-shadow:var(--shadow)}.brand-mark{display:grid;place-items:center;width:48px;height:48px;border-radius:15px;background:#111827;color:#fff;font-size:22px;font-weight:800}.login-card h1,.topbar h1{margin:18px 0 6px;font-size:26px}.login-card p,.panel-title p{margin:0;color:var(--muted);font-size:14px}.login-card form{display:grid;gap:16px;margin-top:28px}label{display:grid;gap:7px;color:#344054;font-size:13px;font-weight:600}input{width:100%;height:42px;border:1px solid #d0d8e5;border-radius:10px;padding:0 12px;font:inherit;color:#101828;background:#fff;outline:none}input:focus{border-color:#6695f5;box-shadow:0 0 0 3px rgba(37,99,235,.1)}button{height:38px;padding:0 16px;border:1px solid #d0d8e5;border-radius:10px;background:#fff;color:#182230;font:inherit;font-weight:650;cursor:pointer}button:hover{border-color:#98a2b3}button:disabled{opacity:.48;cursor:not-allowed}.primary{border-color:#1d4ed8;background:#2563eb;color:#fff}.primary:hover{background:#1d4ed8}.quiet{background:#f8fafc}.form-message{min-height:20px;color:var(--red);font-size:13px}.topbar{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px}.topbar h1{margin:2px 0}.eyebrow{color:var(--blue);font-size:12px;font-weight:800;letter-spacing:.12em}.top-actions{display:flex;align-items:center;gap:10px;color:var(--muted);font-size:13px}.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:18px}.stat-card,.panel{background:rgba(255,255,255,.94);border:1px solid var(--line);border-radius:18px;box-shadow:0 8px 30px rgba(16,24,40,.05)}.stat-card{padding:20px}.stat-card span{display:block;color:var(--muted);font-size:13px}.stat-card strong{display:block;margin-top:7px;font-size:28px}.panel{padding:22px;margin-bottom:18px}.panel-title{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}.panel-title h2{margin:0 0 5px;font-size:18px}.create-form{display:grid;grid-template-columns:2fr 1fr 1fr auto;align-items:end;gap:12px}.new-key{display:flex;align-items:center;gap:10px;margin-top:16px;padding:13px 14px;border:1px solid #b8d3ff;border-radius:12px;background:#eff6ff}.new-key code{flex:1;color:#1649a5;font-family:"Cascadia Mono",Consolas,monospace;font-size:15px;font-weight:700;word-break:break-all}.license-list{display:grid;gap:12px}.empty{padding:42px 0;text-align:center;color:var(--muted)}.license-card{border:1px solid var(--line);border-radius:14px;overflow:hidden}.license-head{display:grid;grid-template-columns:minmax(160px,1.3fr) 110px 160px 100px auto;gap:12px;align-items:center;padding:15px 16px;background:#fafcff}.license-name strong{display:block;font-size:15px}.license-name span,.meta{color:var(--muted);font-size:12px}.status{display:inline-flex;width:max-content;align-items:center;gap:6px;padding:5px 9px;border-radius:999px;background:#ecfdf3;color:#067647;font-size:12px;font-weight:700}.status::before{content:"";width:7px;height:7px;border-radius:50%;background:currentColor}.status.off{background:#fef3f2;color:#b42318}.license-actions{display:flex;justify-content:flex-end;gap:7px;flex-wrap:wrap}.danger{color:#b42318}.devices{display:grid}.device{display:grid;grid-template-columns:1.15fr 1fr 1.3fr auto;gap:14px;align-items:center;padding:14px 16px;border-top:1px solid var(--line)}.device-title{display:flex;align-items:center;gap:8px}.online-dot{width:8px;height:8px;border-radius:50%;background:#98a2b3}.online-dot.on{background:#12b76a;box-shadow:0 0 0 4px rgba(18,183,106,.1)}.hardware{font-size:12px;color:#475467;line-height:1.65}.audit-list{display:grid;gap:0}.audit-item{display:grid;grid-template-columns:170px 170px 1fr;gap:12px;padding:11px 0;border-top:1px solid var(--line);font-size:13px}.audit-item:first-child{border-top:0}.audit-item time,.audit-item span{color:var(--muted)}.toast{position:fixed;right:24px;bottom:24px;max-width:360px;padding:12px 16px;border-radius:11px;background:#111827;color:#fff;box-shadow:var(--shadow);font-size:14px}@media(max-width:900px){.stats{grid-template-columns:repeat(2,1fr)}.create-form{grid-template-columns:1fr 1fr}.license-head{grid-template-columns:1fr 1fr}.license-actions{grid-column:1/-1;justify-content:flex-start}.device{grid-template-columns:1fr 1fr}.audit-item{grid-template-columns:1fr}.topbar{align-items:flex-start}.top-actions #updatedAt{display:none}}@media(max-width:560px){.shell{width:min(100% - 20px,1220px);padding-top:18px}.stats{grid-template-columns:1fr 1fr;gap:9px}.stat-card{padding:15px}.stat-card strong{font-size:23px}.panel{padding:15px}.create-form,.device{grid-template-columns:1fr}.top-actions{gap:6px}.top-actions button{padding:0 10px}}