/* Global Loading Overlay */
.global-loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 30000; /* Above toasts (20000) and everything else */
    display: flex;
    align-items: center;
    justify-content: center;
    animation: fadeIn 0.3s ease-in;
}

.loader-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
}

.loader-container {
    position: relative;
    background: white;
    border-radius: 12px;
    padding: 30px 40px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
    animation: scaleIn 0.3s ease-out;
    max-width: 90%;
}

.loader-cancel-btn {
    margin-top: 10px;
    font-size: 14px;
    padding: 5px 15px;
    border-radius: 6px;
    transition: all 0.2s;
}

.loader-cancel-btn:hover {
    background-color: #dc3545;
    border-color: #dc3545;
    color: white;
    transform: scale(1.05);
}

.loader-container small {
    font-size: 12px;
    color: #6c757d;
    margin-top: 5px;
}

/* Spinner Animation */
.loader-spinner {
    width: 50px;
    height: 50px;
    border: 4px solid #f3f3f3;
    border-top: 4px solid #0d6efd;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

.loader-text {
    font-size: 16px;
    font-weight: 500;
    color: #333;
    text-align: center;
}

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

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes scaleIn {
    from {
        transform: scale(0.8);
        opacity: 0;
    }
    to {
        transform: scale(1);
        opacity: 1;
    }
}

/* Button Loading State */
.btn-loading {
    position: relative;
    pointer-events: none;
    opacity: 0.7;
}

.btn-loading::after {
    content: "";
    position: absolute;
    width: 16px;
    height: 16px;
    top: 50%;
    left: 50%;
    margin-left: -8px;
    margin-top: -8px;
    border: 2px solid transparent;
    border-top-color: currentColor;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

/* Inline Spinner (for smaller elements) */
.spinner-inline {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid rgba(0, 0, 0, 0.1);
    border-top-color: #0d6efd;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
    margin-right: 8px;
    vertical-align: middle;
}

/* Page Loading (for initial page load) */
.page-loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, #0d6efd 0%, #0dcaf0 100%);
    z-index: 10000;
    animation: loading-bar 1.5s ease-in-out infinite;
}

@keyframes loading-bar {
    0% {
        transform: translateX(-100%);
    }
    50% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(100%);
    }
}

/* Dark Theme Support */
@media (prefers-color-scheme: dark) {
    .loader-container {
        background: #2b2b2b;
        box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
    }

    .loader-text {
        color: #e0e0e0;
    }

    .loader-spinner {
        border-color: #444;
        border-top-color: #0d6efd;
    }
}

/* Mobile Responsive */
@media (max-width: 576px) {
    .loader-container {
        padding: 20px 30px;
    }

    .loader-spinner {
        width: 40px;
        height: 40px;
    }

    .loader-text {
        font-size: 14px;
    }
}