/**
 * Universal Loader Styles for IMM Theme
 * Based on rankings-grid__loader from ideas.css
 */

/* Base loader container */
.imm-loading {
    position: relative;
    min-height: 100px;
}

.imm-loading--overlay {
    pointer-events: none;
}

/* Loader element */
.imm-loader {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1050;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(2px);
}

.imm-loader[aria-hidden="true"] {
    display: none;
}

/* Loader content positioning */
.imm-loader__content--center {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.imm-loader__content--top {
    position: absolute;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
}

.imm-loader__content--bottom {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
}

/* Spinner sizes */
.imm-loader__spinner.spinner-border-sm {
    width: 1rem;
    height: 1rem;
}

.imm-loader__spinner.spinner-border-lg {
    width: 3rem;
    height: 3rem;
}

/* Loader text */
.imm-loader__text {
    margin-top: 0.5rem;
    font-size: 0.875rem;
    color: #6c757d;
    font-weight: 500;
}

/* Button loader */
.imm-btn-loading {
    position: relative;
}

.imm-btn-loading .spinner-border-sm {
    vertical-align: middle;
}

/* Modal loader specific */
.modal .imm-loader {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.95);
    z-index: 1060;
}

.modal-body.imm-loading {
    min-height: 200px;
}

/* Form loader */
.form.imm-loading {
    pointer-events: none;
}

.form .imm-loader {
    background: rgba(248, 249, 250, 0.9);
}

/* Table loader */
.table-responsive.imm-loading {
    min-height: 150px;
}

.table .imm-loader {
    background: rgba(255, 255, 255, 0.95);
}

/* Card loader */
.card.imm-loading {
    min-height: 150px;
}

.card .imm-loader {
    border-radius: 0.375rem;
}

/* Animation for smooth transitions */
.imm-loader {
    opacity: 0;
    transition: opacity 0.2s ease-in-out;
}

.imm-loading .imm-loader {
    opacity: 1;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .imm-loader__text {
        font-size: 0.75rem;
    }
    
    .imm-loader__content--top,
    .imm-loader__content--bottom {
        left: 50%;
        transform: translateX(-50%);
        width: 90%;
        text-align: center;
    }
}

/* Dark theme support (if needed) */
@media (prefers-color-scheme: dark) {
    .imm-loader {
        background: rgba(33, 37, 41, 0.9);
    }
    
    .imm-loader__text {
        color: #adb5bd;
    }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .imm-loader {
        background: rgba(255, 255, 255, 0.95);
        border: 2px solid #000;
    }
    
    .imm-loader__text {
        color: #000;
        font-weight: bold;
    }
}