/* ==========================================================================
   FEATURE: ADMIN (REGISTRO, TRIBUNALES Y VOTOS) - MODO GLASSMORFISMO
   ========================================================================== */

/* 1. Pestañas Superiores (Tabs) */
.tabs-admin-center { 
    display: flex; 
    justify-content: center; 
    gap: 10px; 
    margin-bottom: 25px; 
    border-bottom: 1px solid rgba(255, 255, 255, 0.2); /* Borde blanco translúcido */
    max-width: 900px; 
    margin-left: auto; 
    margin-right: auto; 
}

.tab-btn { 
    padding: 15px 25px; 
    border: none; 
    background: none; 
    cursor: pointer; 
    font-weight: bold; 
    font-size: 1.15rem; 
    color: rgba(255, 255, 255, 0.5); /* Letras inactivas en gris claro */
    transition: 0.3s;
}

.tab-btn:hover {
    color: #ffffff;
}

.tab-btn.active { 
    background: rgba(255, 255, 255, 0.15); /* Pestaña activa efecto cristal */
    color: white; 
    border-radius: 8px 8px 0 0; 
}

.tab-content { 
    display: none; 
}

/* 2. Cuadro de los QR */
.qr-placeholder { 
    border: 4px dashed rgba(255, 255, 255, 0.3); /* Borde punteado blanco */
    border-radius: 15px; 
    display: flex; 
    justify-content: center; 
    align-items: center; 
    background: rgba(0, 0, 0, 0.2); /* Fondo oscuro sutil para que el QR blanco resalte */
}

/* 3. Tablas de Administrador con Scroll Interno */
.table-responsive { 
    background: rgba(255, 255, 255, 0.05); /* Cristal oscuro */
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 15px; 
    overflow-x: auto; 
    overflow-y: auto; /* Activa el scroll vertical */
    max-height: 350px; /* Altura máxima antes de activar la barra */
    width: 100%; 
    margin-bottom: 20px; 
}

.ranking-table { 
    width: 100%; 
    border-collapse: collapse; 
    min-width: 400px;
}

/* Cabecera Fija (Sticky) para que no desaparezca al bajar */
.ranking-table th { 
    position: sticky; 
    top: 0; 
    z-index: 10; 
    background: rgba(10, 25, 47, 0.95); /* Color oscuro sólido para que el texto de abajo no se mezcle */
    color: white; 
    padding: 18px; 
    text-align: left; 
    font-size: 1.1rem; 
    box-shadow: 0 2px 5px rgba(0,0,0,0.3); /* Sombrita elegante */
}

.ranking-table td { 
    padding: 18px; 
    border-bottom: 1px solid rgba(255, 255, 255, 0.1); 
    vertical-align: middle; 
    font-size: 1.1rem; 
    color: #e0e0e0; 
}

/* --- Diseño de la barra de desplazamiento modo oscuro --- */
.table-responsive::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}
.table-responsive::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.1); 
    border-radius: 0 15px 15px 0;
}
.table-responsive::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.2); 
    border-radius: 10px;
}
.table-responsive::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.4); 
}
/* ==========================================================================
   ESTILOS ESPECIALES PARA LA IMPRESORA (SOLO QR) - NO TOCAR
   ========================================================================== */
@media print {
    body.printing * { visibility: hidden; }
    body.printing .print-target, body.printing .print-target * { visibility: visible; }
    body.printing .print-target { position: absolute; left: 0; top: 0; width: 100%; margin: 0; padding: 20px; box-shadow: none; border: none; }
    body.printing .print-target button { display: none !important; }
}