:root{--primary: #0f172a;--primary-light: #334155;--secondary: #0ea5e9;--secondary-hover: #0284c7;--accent: #f59e0b;--background: #f8fafc;--surface: #ffffff;--text-main: #0f172a;--text-muted: #64748b;--border: #f1f5f9;--success: #10b981;--error: #ef4444;--font-sans: "Inter", system-ui, -apple-system, sans-serif;--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / .05);--shadow: 0 4px 6px -1px rgb(0 0 0 / .1), 0 2px 4px -2px rgb(0 0 0 / .1);--shadow-lg: 0 20px 25px -5px rgb(0 0 0 / .1), 0 8px 10px -6px rgb(0 0 0 / .1);--radius: 20px;--radius-sm: 12px}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-sans);background-color:var(--background);color:var(--text-main);line-height:1.6;-webkit-font-smoothing:antialiased;letter-spacing:-.01em}#root{min-height:100vh}.layout{display:grid;grid-template-columns:280px 1fr;min-height:100vh}.sidebar{background-color:var(--primary);color:#fff;padding:3rem 1.5rem;display:flex;flex-direction:column;gap:2.5rem;position:sticky;top:0;height:100vh;z-index:100;box-shadow:4px 0 24px -10px #00000080}.sidebar-logo{font-size:1.75rem;font-weight:900;background:linear-gradient(135deg,#fff,#cbd5e1);-webkit-background-clip:text;-webkit-text-fill-color:transparent;margin-bottom:2rem;letter-spacing:-.04em;padding-left:1rem}.nav-item{display:flex;align-items:center;gap:1rem;padding:1rem 1.25rem;border-radius:var(--radius-sm);color:#94a3b8;cursor:pointer;transition:all .3s cubic-bezier(.4,0,.2,1);text-decoration:none;font-weight:500}.nav-item:hover{background-color:#ffffff0d;color:#fff;transform:translate(4px)}.nav-item.active{background-color:var(--secondary);color:#fff;box-shadow:0 10px 15px -3px #0ea5e94d}.main-content{padding:4rem;overflow-y:auto;max-width:1400px;margin:0 auto;width:100%}.header{margin-bottom:4rem}.header h1{font-size:3rem;font-weight:800;color:var(--primary);letter-spacing:-.04em;margin-bottom:.75rem}.card{background:var(--surface);border-radius:var(--radius);border:1px solid var(--border);padding:2.5rem;box-shadow:var(--shadow-sm);transition:all .4s cubic-bezier(.4,0,.2,1);position:relative;overflow:hidden}.card:hover{transform:translateY(-8px);box-shadow:var(--shadow-lg);border-color:#e2e8f0}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(400px,1fr));gap:2.5rem}button{padding:.875rem 1.75rem;border-radius:var(--radius-sm);font-weight:600;cursor:pointer;transition:all .2s cubic-bezier(.4,0,.2,1);border:none;display:inline-flex;align-items:center;gap:.625rem;font-size:.9375rem}.btn-primary{background-color:var(--primary);color:#fff;box-shadow:0 4px 12px #0f172a26}.btn-primary:hover{background-color:var(--primary-light);transform:translateY(-2px);box-shadow:0 8px 20px #0f172a40}.btn-ghost{background:transparent;color:var(--text-muted)}.btn-ghost:hover{background:#f1f5f9;color:var(--text-main)}.btn-small{padding:.5rem 1rem;font-size:.8125rem;border-radius:8px}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:2.5rem;margin-bottom:4rem}.stat-card{padding:2rem;background:#fff;border-radius:var(--radius);border:1px solid var(--border);box-shadow:var(--shadow-sm);transition:all .3s ease}.stat-card:hover{transform:scale(1.02);border-color:var(--secondary)}.stat-label{font-size:.75rem;color:var(--text-muted);font-weight:700;text-transform:uppercase;letter-spacing:.05em;margin-bottom:.5rem;display:block}.stat-value{font-size:2rem;font-weight:800;color:var(--primary);letter-spacing:-.02em}.form-group{margin-bottom:1.5rem}.form-group label{display:block;font-size:.875rem;font-weight:600;margin-bottom:.625rem;color:var(--primary-light)}.form-control{width:100%;padding:.875rem 1.125rem;border-radius:var(--radius-sm);border:1.5px solid #e2e8f0;font-family:inherit;transition:all .2s;background:#fcfdfe;font-size:.9375rem}.form-control:focus{outline:none;border-color:var(--secondary);background:#fff;box-shadow:0 0 0 4px #0ea5e91a}.text-success{color:var(--success)}.text-error{color:var(--error)}.mt-4{margin-top:1rem}.mb-8{margin-bottom:2rem}.flex{display:flex}.flex-col{flex-direction:column}.justify-between{justify-content:space-between}.items-center{align-items:center}.gap-2{gap:.5rem}.gap-4{gap:1rem}.gap-6{gap:1.5rem}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.animate-fade-in{animation:fadeIn .5s ease-out forwards}