:root{--negro: #0D0D0D;--gris-oscuro: #1A1A1A;--gris-medio: #2A2A2A;--gris: #777777;--verde: #A3FF12;--verde-dark: #7ACC00;--blanco: #FFFFFF;--peligro: #FF4444;--warning: #FFB800;--bronce: #CD7F32;--plata: #C0C0C0;--oro: #FFD700;--platino: #4FC3F7;--diamante: #CE93D8;--maestro: #FF5252;--elite: #212121}*{margin:0;padding:0;box-sizing:border-box}body{background:var(--negro);color:var(--blanco);font-family:Inter,sans-serif;font-size:15px;line-height:1.5;min-height:100vh}h1,h2,h3,h4{font-family:Barlow Condensed,sans-serif;font-weight:700;text-transform:uppercase;letter-spacing:.02em}.app-layout{display:flex;min-height:100vh}.sidebar{width:240px;background:var(--gris-oscuro);border-right:1px solid #222;padding:0;position:fixed;top:0;left:0;height:100vh;display:flex;flex-direction:column;z-index:100}.main-content{margin-left:240px;flex:1;padding:32px;min-height:100vh}.logo-sidebar{padding:24px 20px;border-bottom:1px solid #222;display:flex;align-items:center;gap:10px}.logo-text{font-family:Barlow Condensed,sans-serif;font-size:28px;font-weight:900;color:var(--blanco);text-transform:uppercase}.logo-text span{color:var(--verde)}.logo-sub{font-size:10px;color:var(--gris);letter-spacing:2px;margin-top:-4px}.nav-menu{padding:16px 0;flex:1}.nav-item{display:flex;align-items:center;gap:12px;padding:12px 20px;color:var(--gris);cursor:pointer;transition:all .2s;font-size:14px;font-weight:500;border-left:3px solid transparent;text-decoration:none}.nav-item:hover,.nav-item.active{color:var(--blanco);background:#a3ff120f;border-left-color:var(--verde)}.nav-item svg{flex-shrink:0}.card{background:var(--gris-oscuro);border:1px solid #222;border-radius:12px;padding:24px}.card-sm{padding:16px}.btn{display:inline-flex;align-items:center;gap:8px;padding:10px 20px;border-radius:8px;font-weight:600;font-size:14px;cursor:pointer;border:none;transition:all .2s;text-decoration:none}.btn-primary{background:var(--verde);color:var(--negro)}.btn-primary:hover{background:var(--verde-dark)}.btn-ghost{background:transparent;color:var(--blanco);border:1px solid #333}.btn-ghost:hover{border-color:var(--verde);color:var(--verde)}.btn-danger{background:var(--peligro);color:var(--blanco)}.btn-lg{padding:14px 28px;font-size:16px;border-radius:10px}.btn-sm{padding:6px 14px;font-size:13px}.btn-full{width:100%;justify-content:center}.xp-badge{display:inline-flex;align-items:center;gap:6px;background:#a3ff121f;color:var(--verde);padding:4px 10px;border-radius:20px;font-size:12px;font-weight:700;font-family:Barlow Condensed,sans-serif}.nivel-badge{display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:20px;font-size:13px;font-weight:700;background:linear-gradient(135deg,#222,#333);border:1px solid var(--verde);color:var(--verde)}.progress-bar{background:#222;border-radius:99px;overflow:hidden;height:6px}.progress-fill{height:100%;border-radius:99px;background:linear-gradient(90deg,var(--verde),var(--verde-dark));transition:width .5s ease}.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.stat-card{background:var(--gris-oscuro);border:1px solid #222;border-radius:12px;padding:20px;display:flex;flex-direction:column;gap:4px}.stat-value{font-family:Barlow Condensed,sans-serif;font-size:36px;font-weight:900;color:var(--verde);line-height:1}.stat-label{font-size:12px;color:var(--gris);text-transform:uppercase;letter-spacing:1px}.liga-bronce{color:var(--bronce)}.liga-plata{color:var(--plata)}.liga-oro{color:var(--oro)}.liga-platino{color:var(--platino)}.liga-diamante{color:var(--diamante)}.liga-maestro{color:var(--maestro)}.liga-modox_elite{color:var(--verde)}.input-group{display:flex;flex-direction:column;gap:6px;margin-bottom:16px}.input-label{font-size:12px;color:var(--gris);text-transform:uppercase;letter-spacing:1px}.input{background:#111;border:1px solid #333;border-radius:8px;padding:10px 14px;color:var(--blanco);font-size:14px;outline:none;transition:border .2s;width:100%}.input:focus{border-color:var(--verde)}.input::placeholder{color:#444}select.input{cursor:pointer}textarea.input{resize:vertical;min-height:80px}.tag{display:inline-block;padding:3px 10px;border-radius:99px;font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.5px}.tag-verde{background:#a3ff121f;color:var(--verde)}.tag-gris{background:#222;color:var(--gris)}.racha-flame{color:#ff6b35;font-size:20px}.ranking-row{display:flex;align-items:center;gap:12px;padding:12px 0;border-bottom:1px solid #1a1a1a}.ranking-pos{font-family:Barlow Condensed,sans-serif;font-size:18px;font-weight:900;color:var(--gris);width:28px;text-align:center}.ranking-pos.top1{color:var(--oro)}.ranking-pos.top2{color:var(--plata)}.ranking-pos.top3{color:var(--bronce)}.avatar{width:40px;height:40px;border-radius:50%;background:var(--gris-medio);display:flex;align-items:center;justify-content:center;font-size:18px;font-weight:700;color:var(--verde);overflow:hidden;flex-shrink:0}.avatar img{width:100%;height:100%;object-fit:cover}.avatar-lg{width:64px;height:64px;font-size:28px}.toast{position:fixed;top:20px;right:20px;background:var(--gris-oscuro);border:1px solid var(--verde);border-radius:10px;padding:14px 20px;display:flex;align-items:center;gap:10px;font-weight:600;z-index:9999;animation:slideIn .3s ease}@keyframes slideIn{0%{transform:translate(100px);opacity:0}to{transform:translate(0);opacity:1}}.video-container{position:relative;padding-bottom:56.25%;height:0;border-radius:10px;overflow:hidden}.video-container iframe{position:absolute;top:0;left:0;width:100%;height:100%}.auth-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--negro)}.auth-card{background:var(--gris-oscuro);border:1px solid #222;border-radius:16px;padding:40px;width:100%;max-width:420px}.auth-logo{text-align:center;margin-bottom:32px}.auth-logo h1{font-size:48px;color:var(--blanco)}.auth-logo h1 span{color:var(--verde)}.auth-logo p{color:var(--gris);font-size:12px;letter-spacing:3px;margin-top:4px}@media (max-width: 768px){.sidebar{transform:translate(-100%);transition:transform .3s}.sidebar.open{transform:translate(0)}.main-content{margin-left:0;padding:16px}.grid-4{grid-template-columns:repeat(2,1fr)}.grid-3,.grid-2{grid-template-columns:1fr}}