/* Preloader Styles */
#preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #1B4B5A, #2A6B7A);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

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

.preloader-content {
    text-align: center;
    color: white;
}

.tree-logo {
    margin-bottom: 2rem;
    animation: logoFloat 2s ease-in-out infinite;
}

.tree-logo img {
    width: 120px;
    height: auto;
    filter: brightness(0) invert(1);
}

@keyframes logoFloat {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-10px);
    }
}

.loading-bar {
    width: 200px;
    height: 4px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 2px;
    margin: 0 auto 1rem;
    overflow: hidden;
}

.loading-progress {
    height: 100%;
    background: linear-gradient(90deg, #3A8B9A, #FFFFFF);
    border-radius: 2px;
    animation: loadingProgress 2s ease-in-out infinite;
}

@keyframes loadingProgress {
    0% {
        width: 0%;
        transform: translateX(-100%);
    }
    50% {
        width: 100%;
        transform: translateX(0%);
    }
    100% {
        width: 100%;
        transform: translateX(100%);
    }
}

.loading-text {
    font-size: 1.1rem;
    font-weight: 500;
    opacity: 0.9;
    animation: textPulse 1.5s ease-in-out infinite;
}

@keyframes textPulse {
    0%, 100% {
        opacity: 0.9;
    }
    50% {
        opacity: 0.6;
    }
}

/* Loading dots animation */
.loading-text::after {
    content: '';
    animation: dots 1.5s steps(4, end) infinite;
}

@keyframes dots {
    0%, 20% {
        content: '';
    }
    40% {
        content: '.';
    }
    60% {
        content: '..';
    }
    80%, 100% {
        content: '...';
    }
}