:root{--bg-100: #F4F7FC;--surface-0: #FFFFFF;--surface-1: #F8FAFF;--primary-50: #EEF2FF;--primary-500: #4F46E5;--primary-600: #4338CA;--primary-700: #0EA5E9;--primary-gradient: linear-gradient(90deg,#4F46E5 0%,#06B6D4 100%);--accent-500: #10B981;--success-500: #16A34A;--warning-500: #F59E0B;--danger-500: #EF4444;--text-100: #0F172A;--text-300: #475569;--border-200: #DCE4F0;--focus-ring: rgba(79,70,229,.22);--shadow-1: 0 6px 18px rgba(15,23,42,.08);--shadow-3: 0 14px 30px rgba(15,23,42,.12);--radius-sm: 8px;--radius-md: 12px;--radius-btn: 12px;--font-h1-size: 28px;--font-h2-size: 22px;--font-h3-size: 18px;--font-body-size: 16px;--space-1: 4px;--space-2: 8px;--space-3: 12px;--space-4: 16px;--space-5: 24px;--space-6: 32px}body,#root{background:radial-gradient(1100px 520px at 10% 0%,rgba(79,70,229,.08),transparent),var(--bg-100);color:var(--text-100);font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Helvetica Neue,Arial}.app-topbar{background:var(--primary-gradient);color:#fff;box-shadow:var(--shadow-1)}.app-drawer{background:linear-gradient(180deg,#FFFFFF,#F7FAFF);color:var(--text-100)}.card-surface{background:linear-gradient(180deg,#FFFFFF,#FBFDFF);border:1px solid var(--border-200);border-radius:var(--radius-md);box-shadow:var(--shadow-1)}.kpi-number{font-weight:700;font-size:28px;color:var(--text-100)}button:focus,a:focus,input:focus,textarea:focus{outline:3px solid var(--focus-ring);outline-offset:2px}.skeleton{background:linear-gradient(90deg,#f0f4f8,#eef6ff,#f0f4f8);background-size:200% 100%;animation:shimmer 1.2s linear infinite}@keyframes shimmer{0%{background-position:200% 0}to{background-position:-200% 0}}