:root{--bg:#08111d;--sidebar:#0b1625;--panel:#101d2d;--panel2:#132338;--text:#f5f7fb;--muted:#8fa0b7;--line:#21334a;--gold:#d8b66a;--red:#e55252;--green:#43c98b;--blue:#5d8cff}*{box-sizing:border-box}body{margin:0;font-family:Inter,Segoe UI,Arial,sans-serif;background:linear-gradient(160deg,#08111d,#0b1624 50%,#071019);color:var(--text);min-height:100vh}a{color:inherit;text-decoration:none}.shell{display:flex;min-height:100vh}.sidebar{width:255px;background:rgba(9,19,32,.97);border-right:1px solid var(--line);padding:18px 14px;position:fixed;top:0;bottom:0;overflow:auto}.brand{display:flex;gap:12px;align-items:center;padding:8px 8px 20px}.brand.big{justify-content:center;margin-bottom:20px}.brand-mark{width:42px;height:42px;border-radius:14px;background:linear-gradient(145deg,#f1d58c,#a77b33);color:#101318;display:grid;place-items:center;font-weight:900;font-size:24px;box-shadow:0 8px 28px #0008}.brand strong{display:block;letter-spacing:1px}.brand small{display:block;color:var(--muted);margin-top:3px}.sidebar nav{display:grid;gap:4px}.sidebar nav a{padding:10px 12px;border-radius:10px;color:#b7c4d6;display:flex;gap:10px;align-items:center;font-size:14px}.sidebar nav a:hover,.sidebar nav a.active{background:#18283c;color:#fff}.sidebar nav a.active{box-shadow:inset 3px 0 var(--gold)}.sidebar-foot{display:flex;justify-content:space-between;border-top:1px solid var(--line);margin-top:18px;padding:15px 8px;color:var(--muted)}.main{margin-left:255px;min-width:0;width:calc(100% - 255px)}.topbar{padding:26px 32px 18px;display:flex;justify-content:space-between;gap:20px;align-items:end;position:sticky;top:0;z-index:5;background:linear-gradient(#08111df5,#08111dcc,#08111d00)}.topbar h1{margin:0;font-size:26px}.topbar p{margin:6px 0 0;color:var(--muted)}.global-search{display:flex;gap:8px;min-width:390px}.global-search input{flex:1}.content{padding:10px 32px 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15px;border-radius:10px}.alert.success{background:#153a30;color:#93e5c4}.alert.error{background:#4a2025;color:#ffb0b8}.inline{display:inline}.action-row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}.device-list{display:grid;gap:10px}.device-card{background:#0d1a29;border:1px solid var(--line);border-radius:13px;overflow:hidden}.device-card summary{padding:14px;display:flex;justify-content:space-between;align-items:center;cursor:pointer}.device-card summary strong,.device-card summary small{display:block}.device-card summary small{color:var(--muted);margin-top:4px}.device-card form.form-grid{padding:15px;border-top:1px solid var(--line)}.empty{text-align:center;color:var(--muted);padding:30px}.profile-card{background:#0c1927;border:1px solid var(--line);padding:13px;border-radius:11px;margin-bottom:9px;display:grid;gap:5px}.profile-card span,.profile-card 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var(--line);padding:13px;border-radius:11px;display:flex;justify-content:space-between;align-items:center}.flag-card small{display:block;color:var(--muted);margin-top:4px}.flag-card input{width:auto}.notice{background:#0d1a29;border-left:3px solid var(--blue);padding:12px;margin-bottom:9px;border-radius:8px}.notice p{margin:6px 0}.notice small{color:var(--muted)}.api-box{display:grid;gap:8px;margin-top:20px;background:#0a1724;padding:14px;border-radius:12px}.login-body{display:grid;place-items:center;padding:20px}.login-card{width:min(440px,94vw);background:#101d2d;border:1px solid var(--line);border-radius:20px;padding:28px;box-shadow:0 30px 80px #0007}.danger-zone{border-color:#56323a}@media(max-width:1100px){.cards.stats{grid-template-columns:repeat(3,1fr)}.theme-grid{grid-template-columns:repeat(2,1fr)}.appearance-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:800px){.sidebar{width:74px;padding:14px 8px}.brand>div:last-child,.sidebar nav a:not(.active){font-size:0}.sidebar nav a{justify-content:center}.sidebar nav a span{font-size:18px}.sidebar-foot{display:none}.main{margin-left:74px;width:calc(100% - 74px)}.topbar{padding:20px;display:block}.global-search{min-width:0;margin-top:14px}.content{padding:8px 20px 40px}.cards.stats{grid-template-columns:repeat(2,1fr)}.grid.two,.form-grid{grid-template-columns:1fr}.span2{grid-column:auto}.theme-grid,.appearance-grid{grid-template-columns:1fr}.quick-grid{grid-template-columns:repeat(2,1fr)}.alert{margin:0 20px 10px}}