/**
 * External Link Alert Styles for GIGW 3.0 Compliance
 * Provides accessible and visually appealing alert dialogs
 * 
 * @package TCLTheme
 */

/* External Link Visual Indicators */
.tcl-external-link {
    position: relative;
}

.tcl-external-link::after {
    content: "↗";
    display: inline-block;
    margin-left: 0.25rem;
    font-size: 0.8em;
    color: var(--primary, #004d99);
    font-weight: bold;
    transition: transform 0.2s ease;
}

.tcl-external-link:hover::after {
    transform: translate(2px, -2px);
}

/* Alert Overlay */
.tcl-external-link-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    /* background: rgba(0, 0, 0, 0.7); */
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 999999;
    padding: 1rem;
    backdrop-filter: blur(4px);
    animation: fadeIn 0.3s ease-out;
}

/* Alert Dialog */
.tcl-external-link-dialog {
    background: #ffffff;
    border-radius: 16px;
    box-shadow: 0 25px 80px rgba(0, 0, 0, 0.25), 0 8px 32px rgba(0, 0, 0, 0.1);
    max-width: 520px;
    width: 100%;
    padding: 2.5rem;
    position: relative;
    animation: slideIn 0.3s ease-out;
    border: 3px solid var(--primary, #004d99);
    backdrop-filter: blur(10px);
}

/* Dialog Title */
.tcl-external-link-dialog h2 {
    color: #1a1a1a;
    font-size: 1.75rem;
    font-weight: 800;
    margin: 0 0 1.5rem 0;
    padding-bottom: 1rem;
    border-bottom: 3px solid var(--primary, #004d99);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    letter-spacing: -0.025em;
}

.tcl-external-link-dialog h2::before {
    content: "⚠️";
    font-size: 1.4em;
    filter: drop-shadow(0 2px 4px rgba(0,0,0,0.1));
}

/* Dialog Message */
.tcl-external-link-dialog p {
    color: #2d2d2d;
    font-size: 1.1rem;
    line-height: 1.7;
    margin: 0 0 2rem 0;
    font-weight: 500;
}

/* Link Information */
.tcl-external-link-info {
    background: #f8f9fa;
    border: 2px solid #e9ecef;
    border-radius: 12px;
    padding: 1.25rem;
    margin-bottom: 2rem;
    font-size: 1rem;
    box-shadow: inset 0 2px 4px rgba(0,0,0,0.05);
}

.tcl-external-link-info strong {
    color: #1a1a1a;
    font-weight: 700;
    font-size: 1.05rem;
}

.tcl-external-link-url {
    color: #495057;
    word-break: break-all;
    font-family: 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', Consolas, 'Courier New', monospace;
    background: #ffffff;
    padding: 0.5rem 0.75rem;
    border-radius: 6px;
    margin-left: 0.75rem;
    border: 1px solid #dee2e6;
    font-size: 0.9rem;
    font-weight: 500;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

/* Button Container */
.tcl-external-link-buttons {
    display: flex;
    gap: 1.25rem;
    justify-content: flex-end;
    flex-wrap: wrap;
    margin-top: 0.5rem;
}

/* Button Base Styles */
.tcl-external-link-btn {
    padding: 1rem 2rem;
    border: none;
    border-radius: 10px;
    font-size: 1.1rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    min-width: 140px;
    text-align: center;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    position: relative;
    overflow: hidden;
    letter-spacing: 0.025em;
    text-transform: uppercase;
    font-size: 0.9rem;
}

.tcl-external-link-btn:focus {
    outline: 3px solid var(--primary, #004d99);
    outline-offset: 2px;
}

.tcl-external-link-btn:active {
    transform: translateY(1px);
}

/* Primary Button (Continue) */
.tcl-external-link-btn-primary {
    background: linear-gradient(135deg, var(--primary, #004d99) 0%, #0056b3 100%);
    color: #ffffff;
    border: 2px solid var(--primary, #004d99);
    box-shadow: 0 4px 12px rgba(0, 77, 153, 0.2);
}

.tcl-external-link-btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-dark, #003366) 0%, #004d99 100%);
    border-color: var(--primary-dark, #003366);
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 77, 153, 0.4);
}

.tcl-external-link-btn-primary::before {
    content: "→";
    font-weight: bold;
}

/* Secondary Button (Cancel) */
.tcl-external-link-btn-secondary {
    background: #ffffff;
    color: #2d2d2d;
    border: 2px solid #d1d5db;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.tcl-external-link-btn-secondary:hover {
    background: #f8f9fa;
    border-color: #9ca3af;
    color: #1a1a1a;
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
}

.tcl-external-link-btn-secondary::before {
    content: "←";
    font-weight: bold;
}

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

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(-20px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

/* Enhanced Focus States */
.tcl-external-link-btn:focus {
    outline: 3px solid var(--primary, #004d99);
    outline-offset: 3px;
    box-shadow: 0 0 0 3px rgba(0, 77, 153, 0.3);
}

.tcl-external-link-btn:focus-visible {
    outline: 3px solid var(--primary, #004d99);
    outline-offset: 3px;
    box-shadow: 0 0 0 3px rgba(0, 77, 153, 0.3);
}

/* High Contrast Mode */
@media (prefers-contrast: more) {
    .tcl-external-link-overlay {
        background: rgba(0, 0, 0, 0.9);
    }
    
    .tcl-external-link-dialog {
        border: 3px solid #000000;
        box-shadow: 0 0 0 3px #ffffff;
    }
    
    .tcl-external-link-btn-primary {
        background: #000000;
        color: #ffffff;
        border: 2px solid #000000;
    }
    
    .tcl-external-link-btn-secondary {
        background: #ffffff;
        color: #000000;
        border: 2px solid #000000;
    }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    .tcl-external-link-overlay,
    .tcl-external-link-dialog,
    .tcl-external-link-btn {
        animation: none;
        transition: none;
    }
    
    .tcl-external-link-btn:hover {
        transform: none;
    }
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .tcl-external-link-overlay {
        padding: 0.5rem;
    }
    
    .tcl-external-link-dialog {
        padding: 1.5rem;
        margin: 0.5rem;
        max-width: none;
    }
    
    .tcl-external-link-dialog h2 {
        font-size: 1.25rem;
    }
    
    .tcl-external-link-dialog p {
        font-size: 0.95rem;
    }
    
    .tcl-external-link-buttons {
        flex-direction: column;
        gap: 0.75rem;
    }
    
    .tcl-external-link-btn {
        width: 100%;
        min-width: auto;
        padding: 1rem 1.5rem;
    }
    
    .tcl-external-link-info {
        padding: 0.75rem;
        font-size: 0.85rem;
    }
    
    .tcl-external-link-url {
        display: block;
        margin-left: 0;
        margin-top: 0.5rem;
        word-break: break-all;
    }
}

/* Small Mobile */
@media (max-width: 480px) {
    .tcl-external-link-dialog {
        padding: 1rem;
    }
    
    .tcl-external-link-dialog h2 {
        font-size: 1.1rem;
    }
    
    .tcl-external-link-dialog p {
        font-size: 0.9rem;
    }
    
    .tcl-external-link-btn {
        padding: 0.875rem 1rem;
        font-size: 0.95rem;
    }
}

/* Print Styles */
@media print {
    .tcl-external-link-overlay {
        display: none !important;
    }
}

/* Focus Management */
.tcl-external-link-overlay:focus {
    outline: none;
}

.tcl-external-link-dialog:focus {
    outline: none;
}

/* Screen Reader Only Text */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Enhanced Accessibility */
.tcl-external-link-dialog[role="dialog"] {
    outline: none;
}

.tcl-external-link-btn[type="button"] {
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
}

/* Keyboard Navigation Enhancement */
.tcl-external-link-btn:focus-visible {
    outline: 3px solid var(--primary, #004d99);
    outline-offset: 2px;
    box-shadow: 0 0 0 3px rgba(0, 77, 153, 0.3);
}

/* Dark Mode Support */
@media (prefers-color-scheme: dark) {
    .tcl-external-link-dialog {
        background: #2d3748;
        color: #ffffff;
        border-color: var(--primary-light, #3182ce);
    }
    
    .tcl-external-link-dialog h2 {
        color: var(--primary-light, #3182ce);
        border-bottom-color: var(--primary-light, #3182ce);
    }
    
    .tcl-external-link-dialog p {
        color: #e2e8f0;
    }
    
    .tcl-external-link-info {
        background: #4a5568;
        border-color: #718096;
        color: #e2e8f0;
    }
    
    .tcl-external-link-url {
        background: rgba(255, 255, 255, 0.1);
        color: #cbd5e0;
    }
    
    .tcl-external-link-btn-secondary {
        background: #4a5568;
        color: #e2e8f0;
        border-color: #718096;
    }
    
    .tcl-external-link-btn-secondary:hover {
        background: #718096;
        border-color: #a0aec0;
    }
}