:root{--bg-root: #0f1419;--bg-elevated: #16181c;--bg-sidebar: #121418;--border: #2f3336;--border-strong: #38444d;--text: #e7e9ea;--text-muted: #71767b;--accent: #1d9bf0;--accent-hover: #1a8cd8;--success: #00ba7c;--danger: #f4212e;--sidebar-width: 240px}*{box-sizing:border-box}body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;background:var(--bg-root);color:var(--text);min-height:100vh}input,button,textarea{font:inherit}a{color:var(--accent)}.text-muted{color:var(--text-muted);font-size:.875rem}.admin-layout{display:flex;min-height:100vh;background:radial-gradient(ellipse 65% 45% at 50% -10%,rgba(29,155,240,.1),transparent),radial-gradient(ellipse 45% 30% at 100% 100%,rgba(0,186,124,.05),transparent),var(--bg-root)}.admin-main{flex:1;min-width:0;padding:28px 24px 48px}@media(min-width:900px){.admin-main{padding:32px 36px 48px 28px}}.sidebar{width:var(--sidebar-width);flex-shrink:0;background:var(--bg-sidebar);border-right:1px solid 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