:root{--bg:#f4f6f9;--panel:#fff;--text:#162033;--muted:#6d7788;--line:#e3e7ee;--nav:#111a2c;--nav2:#1e2a42;--primary:#356df3;--primary2:#2859d1;--green:#12805c;--red:#c23b48;--amber:#9a6500;--radius:14px;--shadow:0 8px 24px rgba(18,31,53,.06)}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,"Microsoft YaHei",system-ui,sans-serif;font-size:14px}button,input,select,textarea{font:inherit}button{cursor:pointer}.hidden{display:none!important}
.login-shell{min-height:100vh;display:grid;place-items:center;background:radial-gradient(circle at 20% 20%,#dbe7ff 0,transparent 38%),linear-gradient(145deg,#f9fbff,#eef2f8)}.login-card{width:min(420px,calc(100% - 32px));background:#fff;border:1px solid rgba(255,255,255,.8);border-radius:22px;padding:38px;box-shadow:0 28px 70px rgba(29,51,90,.14)}.login-card h1{margin:18px 0 8px;font-size:27px}.login-card>p{color:var(--muted);margin:0 0 26px}.brand-mark{width:54px;height:54px;display:grid;place-items:center;background:linear-gradient(145deg,#427cff,#2452ca);border-radius:16px;color:#fff;font-size:25px;font-weight:800;box-shadow:0 8px 18px rgba(53,109,243,.28)}.brand-mark.small{width:36px;height:36px;border-radius:11px;font-size:17px;box-shadow:none}
label{display:flex;flex-direction:column;gap:8px;font-weight:650;color:#3b4659;margin-bottom:17px}input,select,textarea{width:100%;border:1px solid #d7dce5;border-radius:9px;background:#fff;color:var(--text);padding:11px 12px;outline:none;transition:.15s}input:focus,select:focus,textarea:focus{border-color:#7096f5;box-shadow:0 0 0 3px rgba(53,109,243,.11)}.primary,.secondary{border:0;border-radius:9px;padding:10px 16px;font-weight:700}.primary{background:var(--primary);color:#fff}.primary:hover{background:var(--primary2)}.secondary{background:#eef2f8;color:#334158;border:1px solid #dde3ec}.secondary:hover{background:#e6ebf3}.wide{width:100%;padding:12px}.form-error{min-height:20px;color:var(--red);font-size:13px;margin-top:12px}
.app-shell{min-height:100vh;display:grid;grid-template-columns:235px minmax(0,1fr)}.sidebar{position:fixed;inset:0 auto 0 0;width:235px;background:var(--nav);color:#fff;padding:22px 15px;display:flex;flex-direction:column}.brand{display:flex;align-items:center;gap:11px;padding:0 10px 27px;font-size:18px;font-weight:800}.nav-item{width:100%;text-align:left;color:#aeb9cb;background:transparent;border:0;border-radius:9px;padding:12px 14px;margin:3px 0;font-weight:650}.nav-item:hover,.nav-item.active{color:#fff;background:var(--nav2)}.sidebar-footer{margin-top:auto;border-top:1px solid #29344a;padding:18px 10px 3px;display:flex;justify-content:space-between;align-items:center;color:#abb7c9}.link-button{border:0;background:transparent;color:#8eb0ff;padding:3px}.content{grid-column:2;padding:28px 34px 50px;min-width:0}.topbar{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px}.topbar h1{margin:0;font-size:25px}.topbar p{margin:6px 0 0;color:var(--muted)}.secure-badge{background:#e7f7f0;color:#127153;border-radius:99px;padding:7px 11px;font-size:12px;font-weight:700}
.stats-grid{display:grid;grid-template-columns:repeat(5,minmax(120px,1fr));gap:14px;margin-bottom:18px}.stat-card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:18px;box-shadow:var(--shadow)}.stat-card span{display:block;color:var(--muted);font-size:13px}.stat-card strong{display:block;font-size:28px;margin-top:8px}.panel{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:21px;box-shadow:var(--shadow)}.panel-title{display:flex;justify-content:space-between;align-items:flex-start;gap:18px;margin-bottom:20px}.panel-title h2{margin:0;font-size:17px}.panel-title p{margin:6px 0 0;color:var(--muted);font-size:13px}.two-column{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-bottom:18px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 14px}.span-2{grid-column:1/-1}.actions,.filter-row{display:flex;gap:8px}.generated textarea{height:173px;resize:none;font-family:ui-monospace,Consolas,monospace;font-size:13px}.table-panel{padding:0;overflow:hidden}.table-panel>.panel-title{padding:21px 21px 0}.filters{align-items:center}.filter-row input{width:220px}.filter-row select{width:135px}.table-wrap{overflow:auto}table{width:100%;border-collapse:collapse;min-width:900px}th,td{text-align:left;border-top:1px solid var(--line);padding:13px 14px;vertical-align:top}th{background:#fafbfc;color:#596579;font-size:12px;font-weight:750;white-space:nowrap}td{font-size:13px}.badge{display:inline-block;border-radius:99px;padding:4px 8px;font-size:12px;font-weight:700;white-space:nowrap}.badge.green{background:#e6f6ef;color:var(--green)}.badge.red{background:#fdebed;color:var(--red)}.badge.amber{background:#fff3d9;color:var(--amber)}.badge.gray{background:#edf0f4;color:#667184}.cell-actions{display:flex;flex-wrap:wrap;gap:5px}.small-button{border:1px solid #dce2eb;background:#fff;border-radius:7px;padding:5px 8px;color:#3e4a5d;font-size:12px}.small-button.danger{color:var(--red)}.devices{margin-top:7px;display:flex;flex-direction:column;gap:5px}.device{display:flex;gap:6px;align-items:center;color:var(--muted);white-space:nowrap}.pager{display:flex;justify-content:center;gap:8px;padding:15px;border-top:1px solid var(--line)}.pager button:disabled{opacity:.45;cursor:default}.empty{text-align:center;color:var(--muted);padding:35px}
.settings-panel{max-width:760px}.toggle-row{display:flex;justify-content:space-between;align-items:center;padding:17px 0;border-top:1px solid var(--line)}.toggle-row strong{font-size:15px}.toggle-row p{margin:5px 0 0;color:var(--muted)}.switch{margin:0;position:relative}.switch input{position:absolute;opacity:0}.switch span{display:block;width:46px;height:26px;background:#c9d0db;border-radius:99px;position:relative;transition:.2s}.switch span:after{content:"";position:absolute;left:3px;top:3px;width:20px;height:20px;background:#fff;border-radius:50%;box-shadow:0 2px 5px rgba(0,0,0,.2);transition:.2s}.switch input:checked+span{background:var(--primary)}.switch input:checked+span:after{transform:translateX(20px)}.settings-grid{margin-top:18px}.account-panel{max-width:520px}.toast{position:fixed;right:24px;bottom:24px;max-width:360px;background:#1c2739;color:#fff;border-radius:10px;padding:12px 16px;box-shadow:0 12px 35px rgba(0,0,0,.2);opacity:0;transform:translateY(15px);pointer-events:none;transition:.2s}.toast.show{opacity:1;transform:none}.toast.error{background:#a82e3a}
@media(max-width:1100px){.stats-grid{grid-template-columns:repeat(3,1fr)}.two-column{grid-template-columns:1fr}}@media(max-width:760px){.app-shell{display:block}.sidebar{position:static;width:auto;height:auto;padding:12px}.brand{padding:3px 6px 10px}nav{display:flex;overflow:auto}.nav-item{white-space:nowrap;width:auto}.sidebar-footer{display:none}.content{padding:20px 14px}.secure-badge{display:none}.stats-grid{grid-template-columns:repeat(2,1fr)}.form-grid{grid-template-columns:1fr}.span-2{grid-column:auto}.filters{align-items:flex-start;flex-direction:column}.filter-row{width:100%;flex-wrap:wrap}.filter-row input{flex:1;min-width:160px}.panel-title{flex-direction:column}.actions{width:100%}}