:root{--primary-color:#0d6efd;--secondary-color:#198754;--accent-color:#dc3545;--bg-dark:#0f172a;--bg-light:#f8f9fa;--text-dark:#1e293b;--text-light:#f8fafc;--card-shadow:0 4px 12px rgba(0,0,0,0.08);--border-radius:12px}body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;color:var(--text-dark);background-color:#f1f5f9;overflow-x:hidden}.navbar-custom{background-color:rgba(15,23,42,0.95);backdrop-filter:blur(10px);border-bottom:2px solid var(--primary-color)}.navbar-custom .nav-link{color:rgba(255,255,255,0.85);font-weight:500;transition:color 0.3s ease}.navbar-custom .nav-link:hover,.navbar-custom .nav-link.active{color:var(--primary-color)}.hero-section{background:linear-gradient(135deg,#0f172a 0%,#1e293b 100%);color:var(--text-light);padding:80px 0;position:relative;overflow:hidden}.hero-section::before{content:'';position:absolute;top:0;left:0;width:100%;height:100%;background:radial-gradient(circle at 80% 20%,rgba(13,110,253,0.15) 0%,transparent 50%);pointer-events:none}.card-custom{background:#ffffff;border:none;border-radius:var(--border-radius);box-shadow:var(--card-shadow);transition:transform 0.3s ease,box-shadow 0.3s ease}.card-custom:hover{transform:translateY(-5px);box-shadow:0 8px 24px rgba(0,0,0,0.12)}.score-strip{background:#ffffff;border-left:4px solid var(--primary-color);border-radius:8px;box-shadow:var(--card-shadow)}.score-badge{font-size:0.75rem;padding:4px 8px;border-radius:4px;font-weight:bold}.group-table th{background-color:#e2e8f0;color:#334155}.group-table td{vertical-align:middle}.guide-box{background:linear-gradient(135deg,#1e293b 0%,#0f172a 100%);color:var(--text-light);border-radius:var(--border-radius);padding:24px}.scroll-x-container{overflow-x:auto;white-space:nowrap;-webkit-overflow-scrolling:touch}.scroll-x-container::-webkit-scrollbar{height:6px}.scroll-x-container::-webkit-scrollbar-thumb{background:#cbd5e1;border-radius:3px}footer{background-color:#0f172a;color:#94a3b8;border-top:4px solid var(--primary-color)}footer a{color:#cbd5e1;text-decoration:none;transition:color 0.3s}footer a:hover{color:var(--primary-color)}