/**
 * Preloader CSS - Portal Ciudadano Acuña
 * Estilos para el preloader dinámico
 */

/* Contenedor principal del preloader */
.preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #1e3a5f 0%, #2c3e50 100%);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    transition: opacity 0.5s ease-out, visibility 0.5s ease-out;
}

.preloader.fade-out {
    opacity: 0;
    visibility: hidden;
}

/* Contenedor del logo y animación */
.preloader-content {
    text-align: center;
    color: white;
}

/* Logo del preloader */
.preloader-logo {
    width: 120px;
    height: auto;
    margin-bottom: 30px;
    animation: logoFloat 2s ease-in-out infinite;
    filter: brightness(1.2);
}

/* Animación flotante del logo */
@keyframes logoFloat {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-10px);
    }
}

/* Texto del preloader */
.preloader-text {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 30px;
    opacity: 0.9;
}

.preloader-subtitle {
    font-size: 1rem;
    opacity: 0.7;
    margin-bottom: 40px;
}

/* Contenedor de la barra de progreso */
.progress-container {
    width: 300px;
    margin: 0 auto;
}

/* Barra de progreso */
.progress-bar-container {
    width: 100%;
    height: 4px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 2px;
    overflow: hidden;
    margin-bottom: 15px;
}

.progress-bar {
    height: 100%;
    background: linear-gradient(90deg, #fff, #f0f0f0);
    border-radius: 2px;
    width: 0%;
    transition: width 0.3s ease;
    box-shadow: 0 0 10px rgba(255, 255, 255, 0.5);
}

/* Texto del porcentaje */
.progress-text {
    font-size: 0.9rem;
    opacity: 0.8;
    text-align: center;
}

/* Spinner alternativo (círculo rotativo) */
.spinner {
    width: 50px;
    height: 50px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-top: 3px solid white;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 20px auto;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Partículas flotantes decorativas */
.preloader-particles {
    position: absolute;
    width: 100%;
    height: 100%;
    overflow: hidden;
    pointer-events: none;
}

.particle {
    position: absolute;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    animation: particleFloat 6s ease-in-out infinite;
}

.particle:nth-child(1) {
    width: 8px;
    height: 8px;
    top: 20%;
    left: 10%;
    animation-delay: 0s;
}

.particle:nth-child(2) {
    width: 12px;
    height: 12px;
    top: 60%;
    right: 15%;
    animation-delay: 2s;
}

.particle:nth-child(3) {
    width: 6px;
    height: 6px;
    bottom: 30%;
    left: 20%;
    animation-delay: 4s;
}

.particle:nth-child(4) {
    width: 10px;
    height: 10px;
    top: 40%;
    right: 30%;
    animation-delay: 1s;
}

.particle:nth-child(5) {
    width: 8px;
    height: 8px;
    bottom: 20%;
    right: 10%;
    animation-delay: 3s;
}

@keyframes particleFloat {
    0%, 100% {
        transform: translateY(0px) rotate(0deg);
        opacity: 0.5;
    }
    33% {
        transform: translateY(-20px) rotate(120deg);
        opacity: 0.8;
    }
    66% {
        transform: translateY(10px) rotate(240deg);
        opacity: 0.3;
    }
}

/* Responsivo */
@media (max-width: 768px) {
    .preloader-logo {
        width: 80px;
    }
    
    .preloader-text {
        font-size: 1.2rem;
    }
    
    .preloader-subtitle {
        font-size: 0.9rem;
    }
    
    .progress-container {
        width: 250px;
    }
    
    .particle {
        display: none; /* Ocultar partículas en móvil para mejor rendimiento */
    }
}

@media (max-width: 480px) {
    .preloader-logo {
        width: 60px;
    }
    
    .preloader-text {
        font-size: 1rem;
    }
    
    .progress-container {
        width: 200px;
    }
}

/* Animación de entrada suave */
.preloader-content {
    animation: fadeInUp 0.8s ease-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}