:root{--page-bg:#f4f6f9;--surface:#ffffff;--surface-strong:#0f172a;--text-main:#1e293b;--text-muted:#64748b;--accent:#1e3a8a;--accent-rgb:30,58,138;--accent-red:#ef4444;--accent-green:#10b981;--accent-gold:#f59e0b;--border:#e2e8f0;--transition:all 0.3s cubic-bezier(0.4,0,0.2,1)}body{background-color:var(--page-bg);color:var(--text-main);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;overflow-x:hidden;line-height:1.6}a{text-decoration:none;color:var(--accent);transition:var(--transition)}a:hover{color:var(--accent-red)}@media (min-width:992px){.app-layout{display:flex;min-height:100vh}.sidebar-nav{width:280px;position:fixed;top:0;bottom:0;left:0;z-index:1030;background-color:var(--surface-strong);color:#ffffff;box-shadow:4px 0 20px rgba(0,0,0,0.1);transition:var(--transition);overflow-y:auto}.main-content{margin-left:280px;width:calc(100% - 280px);transition:var(--transition)}}@media (max-width:991.98px){.sidebar-nav{position:fixed;top:0;left:-280px;width:280px;bottom:0;z-index:1040;background-color:var(--surface-strong);transition:var(--transition);overflow-y:auto}.sidebar-nav.active{left:0}.main-content{width:100%}}.sidebar-brand{padding:2rem 1.5rem;border-bottom:1px solid rgba(255,255,255,0.1)}.sidebar-brand img{max-height:45px;object-fit:contain}.sidebar-menu{padding:1.5rem 1rem;list-style:none;margin:0}.sidebar-menu li{margin-bottom:0.5rem}.sidebar-menu a{display:flex;align-items:center;padding:0.75rem 1rem;color:rgba(255,255,255,0.75);border-radius:8px;font-weight:500}.sidebar-menu a i{margin-right:0.75rem;font-size:1.25rem}.sidebar-menu a:hover,.sidebar-menu a.active{color:#ffffff;background-color:rgba(255,255,255,0.1)}.top-navbar{background-color:var(--surface);border-bottom:1px solid var(--border);padding:1rem 1.5rem;position:sticky;top:0;z-index:1020}.hero-section{background:linear-gradient(135deg,#1e3a8a 0%,#0f172a 100%);color:#ffffff;border-radius:0 0 24px 24px;padding:4rem 2rem;position:relative;overflow:hidden}.hero-section::before{content:'';position:absolute;top:0;right:0;bottom:0;left:0;background:radial-gradient(circle at top right,rgba(239,68,68,0.15),transparent 60%);pointer-events:none}.hero-title{font-size:2.5rem;font-weight:800;line-height:1.2;margin-bottom:1.5rem;letter-spacing:0px}.hero-meta{font-size:1.1rem;color:rgba(255,255,255,0.85);margin-bottom:2rem}.worldcup-card{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:1.5rem;margin-bottom:1.5rem;box-shadow:0 4px 6px -1px rgba(0,0,0,0.05);transition:var(--transition)}.worldcup-card:hover{transform:translateY(-2px);box-shadow:0 10px 15px -3px rgba(0,0,0,0.1)}.match-ticker{display:flex;gap:1rem;overflow-x:auto;padding-bottom:1rem;scrollbar-width:thin}.match-ticker-card{min-width:280px;flex-shrink:0;background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:1rem}.badge-live{background-color:var(--accent-green);color:white;animation:pulse 2s infinite}@keyframes pulse{0%{opacity:1}50%{opacity:0.5}100%{opacity:1}}.group-matrix{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:1.5rem}.group-box{background:var(--surface);border-top:4px solid var(--accent);border-radius:12px;padding:1.25rem;box-shadow:0 4px 6px -1px rgba(0,0,0,0.05)}.group-header{font-size:1.25rem;font-weight:700;margin-bottom:1rem;color:var(--accent);border-bottom:1px solid var(--border);padding-bottom:0.5rem}.group-team-list{list-style:none;padding:0;margin:0}.group-team-item{display:flex;justify-content:space-between;align-items:center;padding:0.5rem 0;border-bottom:1px dotted var(--border)}.group-team-item:last-child{border-bottom:none}.table-responsive-custom{overflow-x:auto;-webkit-overflow-scrolling:touch}.site-footer{background-color:var(--surface-strong);color:rgba(255,255,255,0.7);padding:4rem 2rem 2rem;margin-top:4rem}.site-footer h4{color:#ffffff;font-weight:600;margin-bottom:1.5rem}.site-footer a{color:rgba(255,255,255,0.7)}.site-footer a:hover{color:#ffffff}.sidebar-overlay{display:none;position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,0.5);z-index:1035}.sidebar-overlay.active{display:block}