:root{--bg:#0b0e14;--surface:#111620;--surface2:#181e2c;--border:#1f2737;--accent:#4f8ef7;--accent2:#7c3aed;--accent3:#10b981;--warn:#f59e0b;--danger:#ef4444;--text:#e2e8f0;--text-muted:#64748b;--text-dim:#94a3b8;--radius:12px;--sidebar-w:256px;--topbar-h:64px}
[data-theme=light]{--bg:#f8fafc;--surface:#fff;--surface2:#f1f5f9;--border:#e2e8f0;--text:#0f172a;--text-muted:#94a3b8;--text-dim:#475569}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
body{background:var(--bg);color:var(--text);font-family:Inter,sans-serif;font-size:14px;line-height:1.6;min-height:100vh}
a{color:var(--accent);text-decoration:none}
a:hover{opacity:.85}
.app-layout{display:flex;min-height:100vh}
.app-sidebar{width:var(--sidebar-w);background:var(--surface);border-right:1px solid var(--border);display:flex;flex-direction:column;position:fixed;top:0;left:0;height:100vh;z-index:100;transition:transform .25s,width .25s;overflow:hidden}
.app-sidebar.collapsed{width:68px}
.app-sidebar.collapsed .logo-text{display:none}
.app-sidebar.collapsed .nav-label{display:none}
.app-sidebar.collapsed .nav-item > span:last-child{display:none}
.app-sidebar.collapsed .sidebar-footer > div > div{display:none}
.app-sidebar.collapsed .nav-item{justify-content:center;padding:10px 0;border-left:3px solid transparent;border-radius:0;margin:1px 0}
.app-sidebar.collapsed .nav-item.active{border-left-color:var(--accent);background:rgba(79,142,247,.1)}
.app-sidebar.collapsed .sidebar-footer{justify-content:center;flex-direction:column;gap:8px;padding:12px 8px}
.app-sidebar.collapsed .sidebar-logo{justify-content:center;padding:14px 0}
.app-sidebar.collapsed .sidebar-logo > a{display:none}
.app-sidebar.collapsed #sidebar-toggle{margin-left:0}
.sidebar-logo{padding:16px 18px;border-bottom:1px solid var(--border);display:flex;align-items:center;gap:12px;min-height:64px}
.logo-icon{width:36px;height:36px;background:linear-gradient(135deg,#4f8ef7,#7c3aed);border-radius:10px;display:flex;align-items:center;justify-content:center;flex-shrink:0;box-shadow:0 4px 12px rgba(79,142,247,.3)}
.logo-text{font-family:Syne,sans-serif;font-size:16px;font-weight:700;background:linear-gradient(135deg,#e2e8f0,#7eb3ff);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;white-space:nowrap}
.sidebar-nav{flex:1;overflow-y:auto;overflow-x:hidden;padding:10px 0;scrollbar-width:thin;scrollbar-color:var(--border) transparent}
.sidebar-nav::-webkit-scrollbar{width:4px}
.sidebar-nav::-webkit-scrollbar-thumb{background:var(--border);border-radius:4px}
.nav-section{margin-bottom:4px}
.nav-label{font-size:10px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--text-muted);padding:10px 20px 4px;white-space:nowrap}
.nav-item{display:flex;align-items:center;gap:10px;padding:9px 20px;color:var(--text-dim);font-size:13px;font-weight:500;cursor:pointer;border-left:3px solid transparent;transition:all .15s;text-decoration:none;white-space:nowrap}
.nav-item:hover{background:var(--surface2);color:var(--text);opacity:1}
.nav-item.active{background:rgba(79,142,247,.1);color:var(--accent);border-left-color:var(--accent)}
.nav-item .icon{width:18px;height:18px;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.nav-item .icon svg{stroke:currentColor}
.sidebar-footer{padding:12px 14px;border-top:1px solid var(--border);display:flex;align-items:center;gap:10px}
.app-main{flex:1;margin-left:var(--sidebar-w);display:flex;flex-direction:column;min-height:100vh}
.app-topbar{height:var(--topbar-h);background:var(--surface);border-bottom:1px solid var(--border);display:flex;align-items:center;padding:0 24px;gap:16px;position:sticky;top:0;z-index:90}
.topbar-title{font-family:Syne,sans-serif;font-size:15px;font-weight:700;flex:1}
.topbar-actions{display:flex;align-items:center;gap:8px}
.app-content{flex:1;padding:24px}
.btn{display:inline-flex;align-items:center;gap:6px;padding:8px 16px;border-radius:8px;font-size:13px;font-weight:600;cursor:pointer;border:none;transition:all .15s;text-decoration:none}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:#3b7ce8;opacity:1}
.btn-secondary{background:var(--surface2);color:var(--text);border:1px solid var(--border)}
.btn-secondary:hover{background:var(--border)}
.btn-danger{background:var(--danger);color:#fff}
.btn-sm{padding:5px 12px;font-size:12px}
.btn-icon{padding:8px;border-radius:8px}
.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:20px}
.card-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px;gap:12px}
.card-title{font-family:Syne,sans-serif;font-size:14px;font-weight:700}
.stats-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:16px;margin-bottom:24px}
.stat-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:20px;position:relative;overflow:hidden;transition:border-color .2s}
.stat-card:hover{border-color:rgba(79,142,247,.4)}
.stat-card::before{content:'';position:absolute;top:-30px;right:-30px;width:100px;height:100px;border-radius:50%;opacity:.08}
.stat-icon{width:40px;height:40px;border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:18px;margin-bottom:12px}
.stat-value{font-family:Syne,sans-serif;font-size:26px;font-weight:800;color:var(--text);line-height:1}
.stat-label{font-size:12px;color:var(--text-muted);margin-top:4px}
.stat-change{font-size:12px;margin-top:8px}
.stat-change.up{color:var(--accent3)}
.stat-change.down{color:var(--danger)}
.table-wrap{overflow-x:auto;border-radius:var(--radius)}
table{width:100%;border-collapse:collapse;font-size:13px}
thead th{text-align:left;padding:10px 14px;background:var(--surface2);color:var(--text-muted);font-size:11px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;border-bottom:1px solid var(--border)}
tbody td{padding:11px 14px;border-bottom:1px solid var(--border);color:var(--text-dim);vertical-align:middle}
tbody tr:last-child td{border-bottom:none}
tbody tr:hover td{background:var(--surface2)}
.badge{display:inline-flex;align-items:center;gap:4px;padding:2px 8px;border-radius:20px;font-size:11px;font-weight:600}
.badge-green{background:#0d2a1e;color:#34d399;border:1px solid #0f3825}
.badge-blue{background:#1a2a4a;color:#7eb3ff;border:1px solid #1e3560}
.badge-purple{background:#1e1535;color:#c4b5fd;border:1px solid #2a1c4a}
.badge-amber{background:#2a1f0a;color:#fbbf24;border:1px solid #3a2910}
.badge-red{background:#2a0f0f;color:#f87171;border:1px solid #3a1515}
.badge-gray{background:var(--surface2);color:var(--text-muted);border:1px solid var(--border)}
.form-group{margin-bottom:16px}
.form-label{display:block;font-size:12px;font-weight:600;color:var(--text-dim);margin-bottom:6px}
.form-control{width:100%;padding:9px 12px;background:var(--surface2);border:1px solid var(--border);border-radius:8px;color:var(--text);font-size:13px;transition:border-color .15s;font-family:inherit}
.form-control:focus{outline:none;border-color:var(--accent)}
.form-control::placeholder{color:var(--text-muted)}
select.form-control{cursor:pointer}
.form-error{font-size:12px;color:var(--danger);margin-top:4px}
.alert{padding:12px 16px;border-radius:8px;font-size:13px;margin-bottom:16px;border-left:3px solid}
.alert-error{background:#2a0f0f;border-color:var(--danger);color:#f87171}
.alert-success{background:#0a1f14;border-color:var(--accent3);color:#6ee7b7}
.alert-info{background:#0f1d35;border-color:var(--accent);color:#93c5fd}
.alert-warn{background:#1f1506;border-color:var(--warn);color:#fcd34d}
.modal-backdrop{position:fixed;inset:0;background:rgba(0,0,0,.7);z-index:200;backdrop-filter:blur(4px)}
.modal{position:fixed;top:50%;left:50%;transform:translate(-50%,-50%);background:var(--surface);border:1px solid var(--border);border-radius:16px;padding:28px;z-index:201;min-width:400px;max-width:90vw;max-height:90vh;overflow-y:auto}
.modal-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}
.modal-title{font-family:Syne,sans-serif;font-size:16px;font-weight:700}
.hidden{display:none!important}
.gauge-wrap{margin-bottom:12px}
.gauge-info{display:flex;justify-content:space-between;font-size:12px;color:var(--text-dim);margin-bottom:6px}
.gauge-bar{height:6px;background:var(--surface2);border-radius:3px;overflow:hidden}
.gauge-fill{height:100%;border-radius:3px;transition:width .8s ease}
.gauge-fill.low{background:var(--accent3)}
.gauge-fill.med{background:var(--warn)}
.gauge-fill.high{background:var(--danger)}
.code-block{background:#0d1117;border:1px solid var(--border);border-radius:8px;padding:16px;font-family:'JetBrains Mono',monospace;font-size:12px;line-height:1.7;color:#cdd6f4;overflow-x:auto;position:relative}
.copy-btn{position:absolute;top:8px;right:8px;background:var(--surface2);border:1px solid var(--border);color:var(--text-dim);padding:4px 10px;border-radius:6px;font-size:11px;cursor:pointer}
.copy-btn:hover{background:var(--border)}
.toast-container{position:fixed;top:20px;right:20px;z-index:999;display:flex;flex-direction:column;gap:8px}
.toast{padding:12px 16px;border-radius:8px;font-size:13px;border-left:3px solid;max-width:340px;animation:slideIn .2s ease}
@keyframes slideIn{from{opacity:0;transform:translateX(20px)}to{opacity:1;transform:translateX(0)}}
.toast-success{background:#0a1f14;border-color:var(--accent3);color:#6ee7b7}
.toast-error{background:#2a0f0f;border-color:var(--danger);color:#f87171}
.toast-info{background:#0f1d35;border-color:var(--accent);color:#93c5fd}
.key-display{font-family:'JetBrains Mono',monospace;font-size:12px;background:#0d1117;border:1px solid var(--border);border-radius:8px;padding:12px 16px;word-break:break-all;color:#a6e3a1}
.provider-dot{width:8px;height:8px;border-radius:50%;display:inline-block}
.provider-dot.active{background:var(--accent3);box-shadow:0 0 6px var(--accent3)}
.provider-dot.inactive{background:var(--text-muted)}
.provider-dot.maintenance{background:var(--warn)}
.pagination{display:flex;align-items:center;gap:4px;padding:16px 0}
.page-btn{padding:6px 12px;border-radius:6px;font-size:12px;background:var(--surface2);border:1px solid var(--border);color:var(--text-dim);cursor:pointer}
.page-btn:hover,.page-btn.active{background:var(--accent);color:#fff;border-color:var(--accent)}
.search-bar{display:flex;align-items:center;gap:8px;background:var(--surface2);border:1px solid var(--border);border-radius:8px;padding:8px 12px;flex:1;max-width:320px}
.search-bar input{background:none;border:none;color:var(--text);font-size:13px;flex:1;outline:none}
.avatar{width:32px;height:32px;border-radius:50%;background:linear-gradient(135deg,#4f8ef7,#7c3aed);display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;color:#fff;flex-shrink:0}
.empty-state{text-align:center;padding:48px 24px;color:var(--text-muted)}
.empty-state .icon{font-size:40px;margin-bottom:12px;opacity:.4}
.empty-state p{font-size:13px}
.plan-card{background:var(--surface);border:2px solid var(--border);border-radius:16px;padding:28px;position:relative;transition:border-color .2s,transform .2s}
.plan-card:hover{border-color:rgba(79,142,247,.5);transform:translateY(-2px)}
.plan-card.popular{border-color:var(--accent)}
.plan-price{font-family:Syne,sans-serif;font-size:36px;font-weight:800}
.plan-price sup{font-size:16px;vertical-align:top;margin-top:8px}
.plan-price sub{font-size:14px;font-weight:400;color:var(--text-muted)}
.plan-features{list-style:none;margin:20px 0}
.plan-features li{padding:6px 0;font-size:13px;color:var(--text-dim);display:flex;gap:8px}
.plan-features li::before{content:'✓';color:var(--accent3);flex-shrink:0}
.hero-section{background:linear-gradient(135deg,#0f1520 0%,#111827 60%,#0d1117 100%);border-radius:20px;padding:64px 48px;position:relative;overflow:hidden;margin-bottom:32px}
.hero-section::before{content:'';position:absolute;top:-100px;right:-100px;width:400px;height:400px;background:radial-gradient(circle,rgba(79,142,247,.15) 0%,transparent 70%);pointer-events:none}
.hero-section::after{content:'';position:absolute;bottom:-60px;left:60px;width:300px;height:300px;background:radial-gradient(circle,rgba(124,58,237,.1) 0%,transparent 70%);pointer-events:none}
.hero-badge{display:inline-flex;align-items:center;gap:8px;background:#1e2740;color:#7eb3ff;border:1px solid rgba(79,142,247,.3);padding:6px 14px;border-radius:20px;font-size:12px;font-weight:600;margin-bottom:20px}
.hero-title{font-family:Syne,sans-serif;font-size:56px;font-weight:800;line-height:1.1;background:linear-gradient(135deg,#e2e8f0 30%,#7eb3ff 70%,#a78bfa 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;margin-bottom:16px}
.hero-desc{color:var(--text-dim);font-size:16px;max-width:600px;line-height:1.8;margin-bottom:28px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap}
.auth-layout{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--bg);background-image:radial-gradient(ellipse at 20% 50%,rgba(79,142,247,.08) 0%,transparent 50%),radial-gradient(ellipse at 80% 20%,rgba(124,58,237,.06) 0%,transparent 50%)}
.auth-box{background:var(--surface);border:1px solid var(--border);border-radius:20px;padding:40px;width:100%;max-width:420px}
.auth-logo{text-align:center;margin-bottom:32px}
.auth-logo .logo-icon{width:52px;height:52px;margin:0 auto 12px;border-radius:14px}
.auth-title{font-family:Syne,sans-serif;font-size:22px;font-weight:700;text-align:center;margin-bottom:4px}
.auth-subtitle{text-align:center;color:var(--text-muted);font-size:13px;margin-bottom:28px}
.divider{height:1px;background:var(--border);margin:20px 0;position:relative}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
@media(max-width:768px){.app-sidebar{transform:translateX(-100%)}.app-main{margin-left:0}.hero-title{font-size:36px}.stats-grid{grid-template-columns:1fr}.grid-2{grid-template-columns:1fr}.modal{min-width:90vw}}
.chart-container{position:relative;height:220px}
.nav-item .badge-count{margin-left:auto;background:var(--accent);color:#fff;font-size:10px;padding:2px 6px;border-radius:10px}
.tag{display:inline-flex;padding:2px 8px;border-radius:12px;font-size:11px;font-weight:600;font-family:'JetBrains Mono',monospace;text-transform:uppercase}
.section-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}
.section-title{font-family:Syne,sans-serif;font-size:15px;font-weight:700}
.dropdown{position:relative}
.dropdown-menu{position:absolute;right:0;top:calc(100% + 6px);background:var(--surface);border:1px solid var(--border);border-radius:10px;min-width:160px;z-index:150;box-shadow:0 10px 30px rgba(0,0,0,.3)}
.dropdown-item{display:flex;align-items:center;gap:8px;padding:9px 14px;font-size:13px;color:var(--text-dim);cursor:pointer}
.dropdown-item:hover{background:var(--surface2);color:var(--text)}
.dropdown-divider{height:1px;background:var(--border);margin:4px 0}

/* Sidebar mobile overlay */
.sidebar-overlay{display:none;position:fixed;inset:0;background:rgba(0,0,0,.5);z-index:99;backdrop-filter:blur(2px)}
@media(max-width:768px){.sidebar-overlay.active{display:block}.app-sidebar{transform:translateX(-100%)}.app-sidebar.mobile-open{transform:translateX(0)}.app-main{margin-left:0!important}}