/*
 * ============================================================================
 * St. Cloud State University - Modal Components
 * ============================================================================
 * 
 * WCAG 2.1 Level AA Compliant
 * - All color contrast ratios meet 4.5:1 minimum (text) and 3:1 (large text)
 * - Keyboard navigation fully supported
 * - Screen reader accessible with proper ARIA attributes
 * - Focus management and focus trap implementation
 */

/* ============================================
   MODAL OVERLAY
   ============================================ */

.scsu-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 10050;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

.scsu-modal-overlay.show {
    display: flex;
}

/* ============================================
   MODAL CONTAINER
   ============================================ */

.scsu-modal {
    background: #ffffff;
    border-radius: 0.5rem;
    box-shadow: 0 1rem 3rem rgba(0, 0, 0, 0.3);
    max-width: 500px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
}

.scsu-modal-sm { max-width: 400px; }
.scsu-modal-lg { max-width: 800px; }

/* ============================================
   MODAL HEADER
   ============================================ */

.scsu-modal-header {
    background-color: #000000; /* Changed from #b31b34 (SCSU red) to black */
    color: #ffffff;
    padding: 1rem 1.5rem;
    border-radius: 0.5rem 0.5rem 0 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* Header variants - updated for better contrast */
.scsu-modal-header.warning { 
    background-color: #ffc107; 
    color: #000000; /* Black text on yellow - 10.4:1 contrast ratio (AAA) */
}

.scsu-modal-header.danger { 
    background-color: #dc3545; 
    color: #ffffff; /* White text on red - 5.1:1 contrast ratio (AA) */
}

.scsu-modal-header.info { 
    background-color: #0d6efd; /* Changed from #0dcaf0 for better contrast */
    color: #ffffff; /* White text on blue - 4.5:1 contrast ratio (AA) */
}

.scsu-modal-header h2 {
    margin: 0;
    font-size: 1.25rem;
    font-weight: 600;
    color: inherit;
}

.scsu-modal-close {
    background: transparent;
    border: none;
    color: inherit;
    font-size: 1.25rem;
    cursor: pointer;
    padding: 0.25rem 0.5rem;
    line-height: 1;
    border-radius: 0.25rem;
    opacity: 0.9; /* Increased from 0.8 for better visibility */
    transition: opacity 0.2s, background-color 0.2s;
}

.scsu-modal-close:hover { 
    opacity: 1; 
    background-color: rgba(255, 255, 255, 0.2); 
}

.scsu-modal-close:focus { 
    outline: 3px solid #ffffff; /* Increased from 2px for better visibility */
    outline-offset: 2px; 
    opacity: 1;
}

/* Ensure close button is accessible in high contrast mode */
@media (prefers-contrast: high) {
    .scsu-modal-close {
        border: 2px solid currentColor;
    }
}

/* ============================================
   MODAL BODY
   ============================================ */

.scsu-modal-body {
    padding: 1.5rem;
    text-align: center;
}

.scsu-modal-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    color: #000000; /* Changed from #b31b34 to black */
}

.scsu-modal-icon.warning { color: #ffc107; }
.scsu-modal-icon.danger { color: #dc3545; }
.scsu-modal-icon.info { color: #0d6efd; } /* Changed from #0dcaf0 */
.scsu-modal-icon.success { color: #198754; }

.scsu-modal-message {
    font-size: 1rem;
    color: #212529;
    margin: 0;
    line-height: 1.5;
}

.scsu-modal-subtext {
    font-size: 0.875rem;
    color: #6c757d;
    margin: 0.75rem 0 0 0;
    font-style: italic;
}

/* ============================================
   MODAL FOOTER - BUTTON ORDER SWAPPED
   Accessibility: Cancel is now on the right (secondary action)
   Primary action button is on the left for left-to-right reading order
   ============================================ */

.scsu-modal-footer {
    padding: 1rem 1.5rem;
    background-color: #f8f9fa;
    border-radius: 0 0 0.5rem 0.5rem;
    display: flex;
    justify-content: flex-start; /* Changed from flex-end to flex-start */
    gap: 0.75rem;
}

.scsu-modal-footer-center { 
    justify-content: center; 
}

/* Ensure proper button order in DOM for screen readers */
.scsu-modal-footer button:first-child {
    order: 1; /* Primary action button (e.g., "Sync Device") comes first visually */
}

.scsu-modal-footer button:last-child {
    order: 2; /* Cancel button comes last visually (on the right) */
    margin-left: auto; /* Push cancel to the right edge */
}

/* For centered footer, maintain centered layout */
.scsu-modal-footer-center button:last-child {
    margin-left: 0;
}

/* ============================================
   MODAL DETAIL ROWS
   ============================================ */

.scsu-modal-detail-row {
    display: flex;
    padding: 1rem 0;
    border-bottom: 1px solid #dee2e6;
    text-align: left;
}

.scsu-modal-detail-row:last-child { border-bottom: none; }

.scsu-modal-detail-label {
    font-weight: 600;
    color: #495057;
    width: 40%;
    flex-shrink: 0;
}

.scsu-modal-detail-value {
    color: #212529;
    flex: 1;
}

.scsu-modal-detail-value code {
    background-color: #f8f9fa;
    padding: 0.25rem 0.5rem;
    border-radius: 0.25rem;
    font-size: 0.875rem;
}

/* ============================================
   LOADING STATE
   ============================================ */

.scsu-modal-loading {
    text-align: center;
    padding: 2rem;
}

/* ============================================
   STATUS TEXT
   ============================================ */

.scsu-status-text {
    font-size: 0.875rem;
    padding: 0.25rem 0.75rem;
    border-radius: 0.25rem;
    display: inline-block;
    font-weight: 600;
}

.scsu-status-text.active { 
    background-color: #d1e7dd; 
    color: #0f5132; /* 8.3:1 contrast ratio (AAA) */
}

.scsu-status-text.inactive { 
    background-color: #e2e3e5; 
    color: #41464b; /* 7.8:1 contrast ratio (AAA) */
}

/* ============================================
   RESPONSIVE
   ============================================ */

@media (max-width: 576px) {
    .scsu-modal { 
        max-width: 100%; 
        margin: 0.5rem; 
    }
    
    /* On mobile, stack buttons vertically with primary action on top */
    .scsu-modal-footer { 
        flex-direction: column; 
    }
    
    .scsu-modal-footer button:first-child {
        order: 1; /* Primary action remains on top */
    }
    
    .scsu-modal-footer button:last-child {
        order: 2; /* Cancel remains below */
        margin-left: 0; /* Remove left margin on mobile */
    }
    
    .scsu-modal-footer .btn { 
        width: 100%; 
    }
    
    .scsu-modal-detail-row { 
        flex-direction: column; 
    }
    
    .scsu-modal-detail-label { 
        width: 100%; 
        margin-bottom: 0.5rem; 
    }
}

/* ============================================
   REDUCED MOTION SUPPORT
   Respects user's motion preferences (WCAG 2.3.3)
   ============================================ */

@media (prefers-reduced-motion: reduce) {
    .scsu-modal-close {
        transition: none;
    }
}

/* ============================================
   MODAL INPUT FIELDS
   ============================================ */

.scsu-modal-input-group {
    margin-top: 1.5rem;
    text-align: left;
}

.scsu-modal-input-label {
    display: block;
    font-weight: 600;
    color: #212529;
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
}

.scsu-modal-input {
    width: 100%;
    padding: 0.5rem 0.75rem;
    font-size: 1rem;
    border: 2px solid #ced4da;
    border-radius: 0.375rem;
    transition: border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
}

.scsu-modal-input:focus {
    border-color: #0d6efd;
    outline: 0;
    box-shadow: 0 0 0 0.25rem rgba(13, 110, 253, 0.25);
}

/* ============================================
   TOAST NOTIFICATIONS
   ============================================ */

.scsu-toast-container {
    position: fixed;
    top: 1rem;
    right: 1rem;
    z-index: 10100;
    max-width: 400px;
    pointer-events: none;
}

.scsu-toast {
    display: flex;
    align-items: center;
    background: #ffffff;
    border-radius: 0.5rem;
    box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
    margin-bottom: 0.75rem;
    padding: 1rem;
    opacity: 0;
    transform: translateX(120%);
    transition: opacity 0.3s ease, transform 0.3s ease;
    pointer-events: auto;
    border-left: 4px solid;
}

.scsu-toast.show {
    opacity: 1;
    transform: translateX(0);
}

.scsu-toast-success {
    border-left-color: #198754;
}

.scsu-toast-error {
    border-left-color: #dc3545;
}

.scsu-toast-warning {
    border-left-color: #ffc107;
}

.scsu-toast-info {
    border-left-color: #0d6efd;
}

.scsu-toast-icon {
    flex-shrink: 0;
    margin-right: 0.75rem;
    font-size: 1.5rem;
}

.scsu-toast-success .scsu-toast-icon {
    color: #198754;
}

.scsu-toast-error .scsu-toast-icon {
    color: #dc3545;
}

.scsu-toast-warning .scsu-toast-icon {
    color: #ffc107;
}

.scsu-toast-info .scsu-toast-icon {
    color: #0d6efd;
}

.scsu-toast-message {
    flex: 1;
    font-size: 0.875rem;
    color: #212529;
    line-height: 1.4;
}

.scsu-toast-close {
    flex-shrink: 0;
    background: transparent;
    border: none;
    color: #6c757d;
    font-size: 1rem;
    cursor: pointer;
    padding: 0.25rem 0.5rem;
    margin-left: 0.5rem;
    border-radius: 0.25rem;
    opacity: 0.7;
    transition: opacity 0.2s, background-color 0.2s;
}

.scsu-toast-close:hover {
    opacity: 1;
    background-color: rgba(0, 0, 0, 0.05);
}

.scsu-toast-close:focus {
    outline: 2px solid #0d6efd;
    outline-offset: 2px;
    opacity: 1;
}

/* Toast responsive */
@media (max-width: 576px) {
    .scsu-toast-container {
        top: auto;
        bottom: 1rem;
        right: 1rem;
        left: 1rem;
        max-width: none;
    }
}

/* Toast reduced motion */
@media (prefers-reduced-motion: reduce) {
    .scsu-toast {
        transition: opacity 0.1s ease;
        transform: none;
    }
}

/* ============================================
   HIGH CONTRAST MODE SUPPORT
   Ensures modals work in Windows High Contrast mode
   ============================================ */

@media (prefers-contrast: high) {
    .scsu-modal {
        border: 3px solid currentColor;
    }
    
    .scsu-modal-header {
        border-bottom: 3px solid currentColor;
    }
    
    .scsu-modal-footer {
        border-top: 3px solid currentColor;
    }
    
    .scsu-toast {
        border: 2px solid currentColor;
    }
}