:root{--primary:#ed1c24;--primary2:#ff6b35;--blue:#4f46e5;--cyan:#06b6d4;--green:#16a34a;--orange:#f97316;--purple:#7c3aed;--ink:#172033;--muted:#64748b;--bg:#f6f8fc;--card:#ffffff;--sidebar:#0f172a;--line:#e2e8f0}*{box-sizing:border-box}body{font-family:Inter,Segoe UI,Arial,sans-serif;background:radial-gradient(circle at 0% 0%,rgba(237,28,36,.10),transparent 28%),radial-gradient(circle at 100% 0%,rgba(79,70,229,.12),transparent 30%),linear-gradient(135deg,#f8fafc 0%,#eef2ff 50%,#fff7ed 100%);color:var(--ink);min-height:100vh}.app-shell{display:flex;min-height:100vh}.sidebar{width:292px;background:linear-gradient(180deg,#0f172a 0%,#111827 52%,#1e1b4b 100%);color:#fff;position:fixed;left:0;top:0;bottom:0;z-index:20;transition:.25s;box-shadow:16px 0 45px rgba(15,23,42,.22)}.brand-panel{display:flex;align-items:center;gap:13px;padding:22px 18px 16px;border-bottom:1px solid 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