/* Centralized Loader System */

/* Global Loader Overlay */
.global-loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(5px);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 99999;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

.global-loader.active {
    display: flex;
}

/* Hide any existing loaders when our loader is active */
.global-loader.active ~ .loader-container,
.global-loader.active ~ div .loader-container {
    display: none !important;
}

/* Loader Content */
.loader-content {
    text-align: center;
    max-width: 300px;
    padding: 2rem;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 1rem;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
}

/* Use existing loader logo from globalv4.css */
.loader-spinner-main {
    position: relative;
    left: 50%;
    transform: translateX(-50%) rotateZ(45deg);
    perspective: 1000px;
    border-radius: 50%;
    width: 50px;
    height: 43px;
    color: #0032a1;
    margin: 0 auto 1.5rem;
}

.loader-spinner-main:before,
.loader-spinner-main:after {
    content: '';
    display: block;
    position: absolute;
    top: 0;
    left: 0;
    width: inherit;
    height: inherit;
    border-radius: 50%;
    transform: rotateX(70deg);
    animation: spin 1s linear infinite;
    box-shadow: .2em 0 0 0 currentcolor;
}

.loader-spinner-main:after {
    color: #ffcc00;
    transform: rotateY(70deg);
    animation-delay: 0.4s;
    box-shadow: .2em 0 0 0 currentcolor;
}

/* Loader Text */
.loader-text {
    font-size: 1.1rem;
    color: #333;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.loader-subtext {
    font-size: 0.9rem;
    color: #666;
    opacity: 0.8;
}

/* Button Loading State - use specific class to avoid conflicts */
.btn.btn-loader-active {
    position: relative;
    pointer-events: none;
    opacity: 0.7;
    color: transparent !important;
}

.btn.btn-loader-active::after {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    width: 16px;
    height: 16px;
    margin: -8px 0 0 -8px;
    border: 2px solid transparent;
    border-top: 2px solid currentColor;
    border-radius: 50%;
    animation: loader-spin-main 1s linear infinite;
}

/* Preserve button text color for loader */
.btn.btn-primary.btn-loader-active::after {
    border-top-color: #fff;
}

.btn.btn-outline-primary.btn-loader-active::after {
    border-top-color: #007bff;
}

.btn.btn-secondary.btn-loader-active::after {
    border-top-color: #fff;
}

.btn.btn-outline-secondary.btn-loader-active::after {
    border-top-color: #6c757d;
}

/* Form Loading State - use logo spinner instead of circle */
.form-loader-active {
    position: relative;
}

.form-loader-active::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(2px);
    z-index: 10;
}

/* Form spinner is added via JavaScript to match global loader exactly */

/* Disable pointer events on form elements when loading */
.form-loader-active input,
.form-loader-active select,
.form-loader-active textarea,
.form-loader-active button,
.form-loader-active a {
    pointer-events: none;
}

/* Page Transition Loading */
.page-transition-loading {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, #007bff, #28a745, #17a2b8, #ffc107, #dc3545);
    background-size: 200% 100%;
    animation: loader-bar 2s linear infinite;
    z-index: 99998;
    display: none;
}

.page-transition-loading.active {
    display: block;
}

@keyframes loader-bar {
    0% { background-position: 0% 0%; }
    100% { background-position: 200% 0%; }
}

@keyframes spin {
    0%,100% { box-shadow: .2em 0 0 0 currentcolor; }
    12% { box-shadow: .2em .2em 0 0 currentcolor; }
    25% { box-shadow: 0 .2em 0 0 currentcolor; }
    37% { box-shadow: -.2em .2em 0 0 currentcolor; }
    50% { box-shadow: -.2em 0 0 0 currentcolor; }
    62% { box-shadow: -.2em -.2em 0 0 currentcolor; }
    75% { box-shadow: 0 -.2em 0 0 currentcolor; }
    87% { box-shadow: .2em -.2em 0 0 currentcolor; }
}

/* Mobile Optimizations */
@media (max-width: 768px) {
    .loader-content {
        margin: 1rem;
        padding: 1.5rem;
    }
    
    .loader-spinner-main {
        width: 40px;
        height: 40px;
    }
    
    .loader-text {
        font-size: 1rem;
    }
    
    .loader-subtext {
        font-size: 0.8rem;
    }
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
    .global-loader {
        background: rgba(0, 0, 0, 0.9);
    }
    
    .loader-content {
        background: #2d3748;
        color: #fff;
    }
    
    .loader-text {
        color: #fff;
    }
    
    .loader-subtext {
        color: #a0aec0;
    }
    
    .loader-spinner-main {
        border-color: #4a5568;
        border-top-color: #63b3ed;
    }
}