/* Preloader Styles */
.preloader {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: #1a1a1a;
    z-index: 9999;
    justify-content: center;
    align-items: center;
    transition: opacity 0.5s ease, visibility 0.5s ease;
    pointer-events: none;
}

.preloader.active {
    display: flex;
}

/* Page Loader */
.page-loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: #1a1a1a;
    z-index: 9999;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: opacity 0.5s ease, visibility 0.5s ease;
    pointer-events: none;
}

.page-loader.hidden {
    opacity: 0;
    visibility: hidden;
}

/* Ensure header is always above preloader */
.main-header {
    position: relative;
    z-index: 10000 !important;
}

.loader-container {
    text-align: center;
    color: #fff;
}

.loader {
    position: relative;
    width: 100px;
    height: 100px;
    margin: 0 auto 20px;
}

.loader-layer {
    position: absolute;
    border: 5px solid transparent;
    border-radius: 50%;
    border-top-color: #3498db;
    animation: spin 1s linear infinite;
}

.loader-layer-1 {
    width: 100%;
    height: 100%;
    border-top-color: #3498db;
    border-right-color: #3498db;
    border-bottom-color: transparent;
    animation-duration: 1.5s;
}

.loader-layer-2 {
    width: 80%;
    height: 80%;
    top: 10%;
    left: 10%;
    border-top-color: #e74c3c;
    border-right-color: #e74c3c;
    border-bottom-color: transparent;
    animation-duration: 1.2s;
    animation-direction: reverse;
}

.loader-layer-3 {
    width: 60%;
    height: 60%;
    top: 20%;
    left: 20%;
    border-top-color: #2ecc71;
    border-right-color: #2ecc71;
    border-bottom-color: transparent;
    animation-duration: 0.8s;
}

.loader-text {
    font-size: 16px;
    font-weight: 500;
    letter-spacing: 1px;
    text-transform: uppercase;
    animation: pulse 1.5s ease-in-out infinite;
}

/* Hide content while preloader is active */
.preloader-active {
    overflow: hidden !important;
    height: 100vh !important;
}

.preloader-active body {
    overflow: hidden !important;
    height: 100% !important;
}

.preloader-active .main-header,
.preloader-active .main-content,
.preloader-active footer {
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

/* Ensure modals work normally after preloader is removed */
.modal-backdrop {
    opacity: 0.5 !important;
    background-color: #000 !important;
}

.modal {
    display: none;
}

.modal.show {
    display: block;
}

body.modal-open {
    overflow: hidden !important;
    padding-right: 0 !important;
}

/* Animation keyframes */
@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

@keyframes pulse {
    0% { opacity: 0.6; }
    50% { opacity: 1; }
    100% { opacity: 0.6; }
}

/* Ensure modals are properly positioned */
.modal.fade .modal-dialog {
    transition: transform 0.3s ease-out;
    transform: translate(0, -50px);
}

.modal.show .modal-dialog {
    transform: none;
}

@keyframes spin {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

@keyframes colorChange {
    0%, 100% {
        filter: hue-rotate(0deg);
    }
    50% {
        filter: hue-rotate(180deg);
    }
}