:root{--primary:#6366f1;--primary-hover:#4f46e5;--bg-main:#fff;--bg-sidebar:#f9fafb;--bg-card:#fff;--text-main:#111827;--text-muted:#6b7280;--border:#e5e7eb;--success:#10b981;--warning:#f59e0b;--danger:#ef4444;--shadow-sm:0 1px 2px 0 #0000000d;--shadow:0 4px 6px -1px #0000001a, 0 2px 4px -2px #0000001a;--shadow-lg:0 10px 15px -3px #0000001a, 0 4px 6px -4px #0000001a;--glass:#ffffffb3;--sidebar-width:260px;--header-height:70px;--radius:12px;--radius-sm:8px;--radius-lg:16px;--space-1:.25rem;--space-2:.5rem;--space-3:.75rem;--space-4:1rem;--space-6:1.5rem;--space-8:2rem;--space-12:3rem;--space-16:4rem}[data-theme=dark]{--primary:#818cf8;--primary-hover:#6366f1;--bg-main:#0f172a;--bg-sidebar:#1e293b;--bg-card:#1e293b;--text-main:#f8fafc;--text-muted:#94a3b8;--border:#334155;--shadow:0 10px 15px -3px #00000080;--glass:#0f172acc}*{box-sizing:border-box;margin:0;padding:0;font-family:Inter,system-ui,-apple-system,sans-serif}body{background-color:var(--bg-main);color:var(--text-main);transition:background-color .3s,color .3s;overflow-x:hidden}a{color:inherit;text-decoration:none}button{cursor:pointer;background:0 0;border:none;transition:all .2s}.btn{border-radius:var(--radius);align-items:center;gap:8px;padding:10px 20px;font-weight:600;display:inline-flex}.btn-primary{background-color:var(--primary);color:#fff}.btn-primary:hover{background-color:var(--primary-hover);transform:translateY(-1px)}.btn-outline{border:1px solid var(--border);color:var(--text-main)}.btn-outline:hover{background-color:var(--bg-sidebar)}.card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:24px}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.toast{background:var(--bg-card);border:1px solid var(--border);box-shadow:var(--shadow-lg);z-index:2000;border-radius:12px;align-items:center;gap:12px;padding:12px 20px;transition:all .3s cubic-bezier(.4,0,.2,1);display:flex;position:fixed;bottom:24px;right:24px}.toast-icon{background:var(--success);color:#fff;border-radius:50%;justify-content:center;align-items:center;width:24px;height:24px;font-size:.8rem;display:flex}.toast-message{font-size:.9rem;font-weight:500}.toast-error .toast-icon{background:var(--danger)}