:root{--bg: #0b1220;--bg-grad: radial-gradient(1200px 600px at 80% -10%, rgba(56, 189, 248, .12), transparent 60%), radial-gradient(900px 500px at -10% 10%, rgba(14, 165, 233, .1), transparent 55%);--panel: #131c2e;--panel2: #1b2740;--border: #28344d;--text: #e6edf6;--muted: #93a3b8;--accent: #38bdf8;--accent2: #0ea5e9;--danger: #ef4444;--ok: #22c55e;--radius: 14px;--shadow: 0 10px 30px -12px rgba(0, 0, 0, .55)}*{box-sizing:border-box}html,body{height:100%}body{margin:0;font-family:system-ui,Segoe UI,Roboto,Arial,sans-serif;background:var(--bg);background-image:var(--bg-grad);background-attachment:fixed;color:var(--text);-webkit-font-smoothing:antialiased}a{color:var(--accent);text-decoration:none}a:hover{color:#7dd3fc}h1,h2,h3{line-height:1.2}.container{max-width:1140px;margin:0 auto;padding:28px 20px 64px}.page-head{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-bottom:20px}.page-head h2{margin:0}.navbar{position:sticky;top:0;z-index:50;display:flex;align-items:center;gap:8px;padding:12px 20px;background:#0f172acc;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:1px solid var(--border)}.navbar .brand{display:inline-flex;align-items:center;gap:10px;font-weight:800;font-size:18px;letter-spacing:.2px;color:var(--text);margin-right:8px}.navbar .brand .brand-name{background:linear-gradient(90deg,#7dd3fc,#38bdf8);-webkit-background-clip:text;background-clip:text;color:transparent}.brand-logo{width:30px;height:30px;flex:none;border-radius:8px;box-shadow:0 4px 14px -4px #38bdf899}.nav-links{display:flex;align-items:center;gap:4px;flex-wrap:wrap}.navbar .nav-links a{color:var(--muted);padding:7px 12px;border-radius:9px;font-size:14px;font-weight:500;transition:background .15s,color .15s}.navbar .nav-links a:hover{color:var(--text);background:var(--panel2)}.navbar .nav-links a.active{color:var(--accent);background:#38bdf81f}.nav-collapse{flex:1;display:flex;align-items:center;justify-content:space-between;gap:16px;margin-left:8px}.nav-user{display:flex;align-items:center;gap:12px}.nav-user .email{color:var(--muted);font-size:13px;max-width:180px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.nav-toggle{display:none;background:var(--panel2);border:1px solid var(--border);color:var(--text);padding:8px 10px;border-radius:9px;line-height:0}.panel{background:linear-gradient(180deg,var(--panel),#111a2b);border:1px solid var(--border);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow)}.grid{display:grid;gap:16px}.grid.cols-3{grid-template-columns:repeat(auto-fill,minmax(280px,1fr))}.grid.cols-2{grid-template-columns:repeat(auto-fit,minmax(320px,1fr))}label{display:block;font-size:13px;color:var(--muted);margin:12px 0 5px}input,select,textarea{width:100%;padding:11px 13px;background:var(--panel2);border:1px solid var(--border);border-radius:10px;color:var(--text);font-size:14px;transition:border-color .15s,box-shadow .15s}input:focus,select:focus,textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px #38bdf82e}button{cursor:pointer;padding:10px 16px;border:none;border-radius:10px;background:linear-gradient(180deg,#38bdf8,#0ea5e9);color:#042233;font-weight:700;font-size:14px;transition:transform .08s,filter .15s,opacity .15s}button:hover{filter:brightness(1.06)}button:active{transform:translateY(1px)}button.secondary{background:var(--panel2);color:var(--text);border:1px solid var(--border)}button.secondary:hover{background:#233152}button.danger{background:var(--danger);color:#fff}button.ghost{background:transparent;border:1px solid var(--border);color:var(--muted)}button.sm{padding:7px 12px;font-size:13px}button:disabled{opacity:.5;cursor:not-allowed}.btn-row{display:flex;gap:8px;flex-wrap:wrap}.segmented{display:inline-flex;background:var(--panel2);border:1px solid var(--border);border-radius:10px;padding:3px;gap:2px}.segmented button{background:transparent;color:var(--muted);padding:6px 12px;font-size:13px;display:inline-flex;align-items:center;gap:6px;border-radius:7px;box-shadow:none}.segmented button.active{background:var(--accent);color:#042233}.segmented button:hover:not(.active){color:var(--text)}table{width:100%;border-collapse:collapse}th,td{text-align:left;padding:11px 10px;border-bottom:1px solid var(--border);font-size:14px}th{color:var(--muted);font-weight:600}.quota-bar{height:12px;background:var(--panel2);border-radius:6px;overflow:hidden}.quota-bar>span{display:block;height:100%;background:linear-gradient(90deg,#38bdf8,#0ea5e9);transition:width .4s}.quota-bar.full>span{background:var(--danger)}.qr-list{display:flex;flex-direction:column;gap:12px}.qr-card{transition:transform .12s,border-color .15s}.qr-card:hover{transform:translateY(-2px);border-color:#3a4a6b}.qr-card.list{display:grid;grid-template-columns:auto 1fr 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rgba(34,197,94,.35);padding:8px 12px;border-radius:9px}.center{display:flex;align-items:center;justify-content:center;min-height:70vh;padding:20px}.auth-card{width:100%;max-width:380px}.auth-brand{display:flex;flex-direction:column;align-items:center;gap:10px;margin-bottom:8px}.auth-brand img{width:48px;height:48px;border-radius:12px}img.qr{width:220px;height:220px;background:#fff;border-radius:10px;padding:8px;max-width:100%}.stat{font-size:28px;font-weight:800}.toggle{cursor:pointer}code{background:var(--panel2);padding:2px 6px;border-radius:6px;font-size:12px}@media (max-width: 760px){.container{padding:20px 14px 48px}.nav-toggle{display:inline-flex;margin-left:auto}.navbar{flex-wrap:wrap}.nav-collapse{flex-basis:100%;flex:none;display:none;flex-direction:column;align-items:stretch;justify-content:flex-start;gap:8px;margin:10px 0 0}.nav-collapse.open{display:flex}.nav-links{flex-direction:column;align-items:stretch;gap:2px}.navbar .nav-links a{padding:10px 12px}.nav-user{flex-direction:column;align-items:stretch;gap:8px}.nav-user .email{max-width:none;text-align:center}.nav-user button{width:100%}.qr-card.list{grid-template-columns:auto 1fr}.qr-card.list .btn-row{grid-column:1 / -1}.grid.cols-3{grid-template-columns:1fr}}@media (max-width: 420px){.qr-card.list{grid-template-columns:1fr;justify-items:start}}