:root{--primary-color: #d35400;--primary-hover: #e67e22;--secondary-color: #2c3e50;--text-color: #333;--bg-color: #f4f7f6;--white: #ffffff;--border-radius: 8px;--shadow: 0 4px 6px rgba(0, 0, 0, .1)}*{box-sizing:border-box;margin:0;padding:0}body{font-family:Inter,system-ui,-apple-system,sans-serif;background-color:var(--bg-color);color:var(--text-color);line-height:1.6}h1,h2,h3{color:var(--secondary-color);margin-bottom:1rem}button{cursor:pointer;border:none;font-family:inherit}.container{max-width:1200px;margin:0 auto;padding:2rem}.card{background:var(--white);padding:2rem;border-radius:var(--border-radius);box-shadow:var(--shadow);margin-bottom:2rem}.btn-primary{background-color:var(--primary-color);color:var(--white);padding:.75rem 1.5rem;border-radius:var(--border-radius);font-weight:600;transition:background .3s}.btn-primary:hover{background-color:#d35400}.form-group{margin-bottom:1.5rem}label{display:block;margin-bottom:.5rem;font-weight:500}select,input[type=text]{width:100%;padding:.75rem;border:1px solid #ddd;border-radius:var(--border-radius);font-size:1rem}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:1.5rem}.tabs{display:flex;justify-content:center;gap:1rem;margin-bottom:2rem;flex-wrap:wrap}.tab-btn{padding:.75rem 1.5rem;background-color:#e0e0e0;border:none;border-radius:var(--border-radius);color:var(--secondary-color);font-weight:600;cursor:pointer;transition:all .2s ease;font-size:.95rem}.tab-btn.active{background-color:var(--primary-color);color:#fff;transform:translateY(-2px);box-shadow:0 4px 6px #00000026}.tab-btn:hover:not(.active){background-color:#d0d0d0;transform:translateY(-1px)}