:root{--card:#fff;--text:#0b1220;--muted:#64748b;--line:#e5e7eb;--soft:#f1f5f9;--dark:#05070b;--red:#e7333f;--shadow:0 18px 45px rgba(2,6,23,.08);--shadow-soft:0 10px 25px rgba(2,6,23,.06)}*{box-sizing:border-box}body{margin:0;background:radial-gradient(circle at top left,rgba(231,51,63,.10),transparent 28%),linear-gradient(135deg,#f8fafc,#eef2f7);color:var(--text);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif}a{text-decoration:none;color:inherit}button,input,select,textarea{font:inherit}.app{display:flex;min-height:100vh}.sidebar{width:300px;background:linear-gradient(180deg,#080b11,#111827);color:#fff;padding:24px;position:sticky;top:0;height:100vh;overflow:auto;border-right:1px solid rgba(255,255,255,.08)}.brand{display:flex;gap:14px;align-items:center;margin-bottom:28px}.brand-logo{width:148px;height:auto;display:block;background:#fff;border-radius:4px;box-shadow:0 12px 30px rgba(0,0,0,.22)}.brand 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