:root{--page-bg:#f5f7fa;--surface:#ffffff;--surface-strong:#0f1c3f;--text-main:#1e2530;--text-muted:#6c7a89;--accent-usa:#0a3161;--accent-mex:#006847;--accent-can:#da291c;--accent-gradient:linear-gradient(135deg,#0a3161 0%,#da291c 50%,#006847 100%);--border:#e2e8f0;--card-shadow:0 4px 20px rgba(0,0,0,0.05);--transition:all 0.3s ease}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}@media (min-width:1200px){.side-nav-wrapper{position:fixed;top:0;left:0;width:260px;height:100vh;background-color:var(--surface-strong);color:#ffffff;z-index:1030;padding:2rem 1.5rem;display:flex;flex-direction:column;justify-content:space-between;box-shadow:4px 0 15px rgba(0,0,0,0.1)}.main-content-wrapper{margin-left:260px;padding:2rem}.mobile-header{display:none}}@media (max-width:1199.98px){.side-nav-wrapper{display:none}.main-content-wrapper{padding:1rem;margin-top:60px}.mobile-header{position:fixed;top:0;left:0;width:100%;height:60px;background-color:var(--surface-strong);z-index:1040;display:flex;align-items:center;justify-content:space-between;padding:0 1rem;box-shadow:0 2px 10px rgba(0,0,0,0.1)}}.nav-link-custom{color:rgba(255,255,255,0.8);display:flex;align-items:center;padding:0.75rem 1rem;border-radius:8px;margin-bottom:0.5rem;text-decoration:none;transition:var(--transition)}.nav-link-custom:hover,.nav-link-custom.active{background-color:rgba(255,255,255,0.1);color:#ffffff;transform:translateX(5px)}.nav-link-custom i{margin-right:10px;font-size:1.2rem}.section-box{background:var(--surface);border-radius:12px;padding:2.5rem;margin-bottom:2rem;box-shadow:var(--card-shadow);border:1px solid var(--border);transition:var(--transition)}.section-box:hover{transform:translateY(-2px);box-shadow:0 8px 30px rgba(0,0,0,0.08)}.section-title{font-size:1.8rem;font-weight:800;color:var(--accent-usa);margin-bottom:1.5rem;display:flex;align-items:center;border-bottom:2px solid var(--border);padding-bottom:0.75rem}.section-title::before{content:'';display:inline-block;width:6px;height:24px;background:var(--accent-gradient);margin-right:12px;border-radius:3px}.countdown-container{background:var(--accent-gradient);border-radius:12px;padding:1.5rem;color:white;text-align:center}.countdown-time{font-size:2.2rem;font-weight:900;letter-spacing:1px}.group-card{border:1px solid var(--border);border-radius:10px;overflow:hidden;background:var(--surface);transition:var(--transition)}.group-card:hover{transform:translateY(-4px)}.group-header{background:var(--accent-usa);color:white;font-weight:700;padding:0.5rem 1rem;text-align:center}.group-header.mex{background:var(--accent-mex)}.group-header.can{background:var(--accent-can)}.group-list{list-style:none;padding:0;margin:0}.group-item{display:flex;justify-content:space-between;padding:0.65rem 1rem;border-bottom:1px solid var(--border);align-items:center}.group-item:last-child{border-bottom:none}.table-responsive-container{width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch}.btn-theme-primary{background:var(--accent-usa);color:white;border:none;padding:0.6rem 1.5rem;border-radius:8px;font-weight:600;transition:var(--transition)}.btn-theme-primary:hover{background:#08254a;color:#fff;box-shadow:0 4px 15px rgba(10,49,97,0.3)}.btn-theme-accent{background:var(--accent-can);color:white;border:none;padding:0.6rem 1.5rem;border-radius:8px;font-weight:600;transition:var(--transition)}.btn-theme-accent:hover{background:#b82217;color:#fff;box-shadow:0 4px 15px rgba(218,41,28,0.3)}.accordion-button:not(.collapsed){background-color:rgba(10,49,97,0.05);color:var(--accent-usa)}.img-cover-box{position:relative;border-radius:12px;overflow:hidden;box-shadow:var(--card-shadow)}.img-cover-box img{width:100%;height:auto;object-fit:cover;transition:var(--transition)}.img-cover-box:hover img{transform:scale(1.03)}.badge-live{background-color:var(--accent-can);color:white;animation:pulse-live 1.5s infinite}@keyframes pulse-live{0%{opacity:0.7}50%{opacity:1}100%{opacity:0.7}}