:root{--primary: #0066ff;--primary-hover: #0052cc;--primary-soft: rgba(0, 102, 255, .12);--accent: #0066ff;--accent-hover: #0052cc;--accent-soft: rgba(0, 102, 255, .12);--bg: #0f1115;--bg-elevated: #131922;--sidebar-bg: #161b22;--card-bg: #1c2128;--text: #e6edf3;--text-muted: #8b949e;--border: #30363d;--success: #238636;--danger: #da3633;--warning: #d29922;--fs-base: 16px;--fs-lg: 1.125rem;--fs-2xl: clamp(2rem, 3vw, 2.85rem);--header-height: 64px;--sidebar-width: 260px}html[data-theme=light]{--primary: #2563eb;--primary-hover: #1d4ed8;--primary-soft: rgba(37, 99, 235, .1);--accent: #2563eb;--accent-hover: #1d4ed8;--accent-soft: rgba(37, 99, 235, .1);--bg: #f8faff;--bg-elevated: #ffffff;--sidebar-bg: #ffffff;--card-bg: #ffffff;--text: #0f172a;--text-muted: #64748b;--border: rgba(15, 23, 42, .1);--success: #16a34a;--danger: #dc2626;--warning: #c2410c}*{box-sizing:border-box}body{margin:0;font-family:Space Grotesk,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Open Sans,Helvetica Neue,sans-serif;background:radial-gradient(circle at top left,rgba(56,189,248,.08),transparent 34%),linear-gradient(180deg,var(--bg-elevated) 0%,var(--bg) 18%,var(--bg) 100%);color:var(--text);font-size:var(--fs-base);line-height:1.5}a{color:var(--primary);text-decoration:none;transition:color .2s}a:hover{color:var(--primary-hover)}.admin-shell{min-height:100vh}.admin-header{position:sticky;top:0;z-index:20;display:grid;grid-template-columns:auto 1fr auto;gap:20px;align-items:center;min-height:76px;padding:0 28px;background:color-mix(in srgb,var(--bg) 90%,transparent);backdrop-filter:blur(12px);border-bottom:1px solid var(--border)}.admin-brand{display:inline-flex;align-items:center;gap:10px;font-weight:700;font-size:var(--fs-lg);color:var(--text);letter-spacing:-.02em}.admin-brand--top{padding:0}.admin-brand .tag{background:var(--primary);color:#fff;font-size:10px;padding:2px 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