:root{--bg:#f4f6fb;--panel:#fff;--ink:#172033;--muted:#778199;--line:#e7eaf1;--primary:#6757e8;--dark:#161a2b;--cyan:#19b9c9}*{box-sizing:border-box}body{margin:0;font-family:"Segoe UI","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--bg)}a{color:inherit;text-decoration:none}.app{display:grid;grid-template-columns:250px 1fr;min-height:100vh}.sidebar{position:fixed;inset:0 auto 0 0;width:250px;background:var(--dark);color:#cbd0df;padding:24px 16px;display:flex;flex-direction:column;z-index:5}.logo{display:flex;align-items:center;gap:12px;color:#fff;font-weight:700;font-size:19px;padding:0 10px 24px}.brand-mark{display:grid;place-items:center;width:48px;height:48px;border-radius:15px;background:linear-gradient(135deg,#7968ff,#39c7d6);color:#fff;font-size:24px;font-weight:800;box-shadow:0 12px 30px #6557e855}.brand-mark.small{width:36px;height:36px;border-radius:11px;font-size:18px}.sidebar nav{flex:1;overflow:auto}.nav-label{font-size:11px;letter-spacing:1.3px;color:#717990;text-transform:uppercase;margin:20px 12px 8px}.sidebar nav>a,.sidebar summary,.sidebar details a{display:block;padding:11px 13px;border-radius:9px;font-size:14px;cursor:pointer}.sidebar nav>a:hover,.sidebar details a:hover{color:#fff;background:#ffffff0c}.sidebar details a{padding-left:34px;color:#959db3}.sidebar summary{list-style:none;color:#f0f2f8;font-weight:600}.sidebar summary:after{content:"⌄";float:right;color:#6f7890}.sidebar-user{display:flex;gap:10px;align-items:center;border-top:1px solid #ffffff12;padding:18px 8px 0}.avatar{width:36px;height:36px;border-radius:50%;display:grid;place-items:center;background:#6757e8;color:#fff}.sidebar-user strong,.sidebar-user a{display:block;font-size:13px}.sidebar-user a{color:#7e879e;margin-top:3px}.app main{grid-column:2}.topbar{height:92px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;padding:0 38px}.topbar h1{font-size:22px;margin:0 0 4px}.topbar p{margin:0;color:var(--muted);font-size:13px}.menu-btn{display:none;border:0;background:none;font-size:24px;margin-right:14px}.content{padding:32px 38px;max-width:1440px}.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-bottom:24px}.stat,.panel,.notice{background:var(--panel);border:1px solid var(--line);border-radius:15px;box-shadow:0 3px 15px #27314b08}.stat{padding:22px}.stat span,.stat em{display:block;color:var(--muted);font-size:13px;font-style:normal}.stat strong{display:block;font-size:32px;margin:7px 0}.panel{padding:26px}.panel-head{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-bottom:24px}.panel h2,.panel h3,.panel p{margin-top:0}.panel-head h2{margin-bottom:5px;font-size:18px}.panel-head p{margin:0;color:var(--muted);font-size:13px}.btn{border:0;border-radius:9px;padding:11px 17px;font:inherit;font-size:14px;font-weight:600;cursor:pointer}.btn.primary{background:var(--primary);color:#fff}.btn.secondary{background:#f0eefc;color:var(--primary)}.btn.wide{width:100%;margin-top:4px}.module-grid,.link-groups{display:grid;grid-template-columns:1fr 1fr;gap:22px}.module{border:1px solid var(--line);border-radius:12px;padding:20px}.module h3{font-size:15px}.quick-row{display:flex;justify-content:space-between;padding:13px 0;border-top:1px solid var(--line);font-size:14px}.quick-row a{color:var(--primary);font-weight:600}.link-group{border:1px solid var(--line);border-radius:13px;padding:22px}.link-group h3{font-size:16px}.dot{display:inline-block;width:9px;height:9px;border-radius:50%;margin-right:8px}.purple{background:var(--primary)}.cyan{background:var(--cyan)}label{display:block;font-size:13px;font-weight:600;margin:17px 0 0}.url-input{display:flex;align-items:center;border:1px solid #dfe3eb;border-radius:9px;margin-top:8px;padding:0 12px;transition:.2s}.url-input:focus-within{border-color:var(--primary);box-shadow:0 0 0 3px #6757e812}.url-input input{width:100%;border:0;outline:0;padding:12px 9px;font:inherit;background:transparent}.notice{margin-top:18px;padding:18px 22px;display:flex;gap:15px;align-items:center;font-size:13px}.notice strong{white-space:nowrap}.notice span{color:var(--muted)}code{background:#f0eef8;padding:3px 6px;border-radius:5px;color:#5b4bc8}.alert{padding:13px 15px;border-radius:9px;margin-bottom:18px;font-size:14px}.alert.error{background:#fff0f1;color:#bd3340}.alert.success{background:#eafaf4;color:#13835d}.empty-state{text-align:center;padding:90px 30px}.empty-icon{margin:auto auto 18px;width:64px;height:64px;border-radius:20px;display:grid;place-items:center;background:#f0eefc;color:var(--primary);font-size:34px}.empty-state p{color:var(--muted)}.badge{display:inline-block;background:#f3f4f8;color:#727b90;padding:7px 11px;border-radius:20px;font-size:12px}.auth-page{min-height:100vh;background:radial-gradient(circle at 20% 10%,#765ee822,transparent 34%),#f4f6fb;display:grid;place-items:center;padding:30px}.auth-shell{width:min(860px,100%);display:grid;grid-template-columns:1fr 420px;gap:80px;align-items:center}.brand-block{display:flex;gap:18px;align-items:center}.brand-block h1{margin:0 0 7px;font-size:30px}.brand-block p{margin:0;color:var(--muted)}.auth-card{background:#fff;padding:34px;border-radius:18px;box-shadow:0 24px 70px #29335b18}.auth-card h2{margin:0 0 6px;font-size:24px}.muted{color:var(--muted);font-size:13px}.auth-card label{margin:19px 0}.auth-card label>input{display:block;width:100%;border:1px solid #dfe3eb;border-radius:9px;padding:12px;margin-top:8px;font:inherit;outline:none}.auth-card label>input:focus{border-color:var(--primary);box-shadow:0 0 0 3px #6757e812}.auth-switch{text-align:center;font-size:13px;margin:20px 0 0;color:var(--muted)}.auth-switch a{color:var(--primary);font-weight:600}.demo-tip{text-align:center;background:#f7f7fb;padding:9px;border-radius:8px;font-size:12px;color:#81899c;margin-top:15px}@media(max-width:850px){.app{display:block}.sidebar{transform:translateX(-100%);transition:.25s}.menu-open .sidebar{transform:none}.app main{margin:0}.menu-btn{display:block}.topbar{padding:0 20px}.content{padding:22px 18px}.stats{grid-template-columns:1fr}.module-grid,.link-groups{grid-template-columns:1fr}.auth-shell{grid-template-columns:1fr;gap:30px}.brand-block{justify-content:center}.notice{align-items:flex-start;flex-direction:column}.panel-head{align-items:flex-start;flex-direction:column}}