/**
 * Newsletter Archive Styles
 * 
 * Email client style layout with sidebar navigation
 * Uses site's brand colors from global.css
 */

/* Make newsletter archive pages full-width (hide sidebar) */
body.page:has(.newsletter-archive-viewer) #left-area {
    width: 100% !important;
    float: none !important;
    padding-right: 0 !important;
    border: none !important;
}

body.page:has(.newsletter-archive-viewer) #main-content .container:before {
    display: none !important;
}

body.page:has(.newsletter-archive-viewer) #content-area {
    border: none !important;
}

body.page:has(.newsletter-archive-viewer) .entry-content {
    border: none !important;
}

body.page:has(.newsletter-archive-viewer) #sidebar {
    display: none !important;
}

/* Main viewer layout */
.newsletter-archive-viewer {
    display: grid;
    grid-template-columns: 320px 1fr;
    gap: 0;
    height: 80vh;
    min-height: 600px;
    border: none;
    border-radius: 0;
    overflow: hidden;
    background: #ffffff;
    margin: 2rem 0;
}

/* Left Sidebar - Newsletter List */
.newsletter-sidebar {
    background: var(--color-bg-light, #FDF6F2);
    border-right: 1px solid #e5e7eb;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.newsletter-sidebar-header {
    padding: 1.5rem;
    background: var(--color-primary, #e2e464);
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

.newsletter-sidebar-header h3 {
    margin: 0;
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-dark, #000);
}

.newsletter-list {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
}

/* Newsletter list items */
.newsletter-list-item {
    width: 100%;
    padding: 1rem 1.25rem;
    background: transparent;
    border: none;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    text-align: left;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.newsletter-list-item:hover {
    background: rgba(255, 255, 255, 0.5);
}

.newsletter-list-item.active {
    background: #ffffff;
    border-left: 3px solid var(--color-primary, #e2e464);
    padding-left: calc(1.25rem - 3px);
}

.newsletter-list-item-header {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
}

.newsletter-list-title {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--color-dark, #000);
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.newsletter-list-item-meta {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.newsletter-list-date {
    font-size: 0.8125rem;
    color: var(--color-text-gray, #666);
    font-weight: 500;
}

/* Right Content - Newsletter Viewer */
.newsletter-viewer {
    display: flex;
    flex-direction: column;
    background: #ffffff;
    overflow: hidden;
}

.newsletter-viewer-header {
    padding: 1.5rem 2rem;
    background: var(--color-bg-light, #FDF6F2);
    border-bottom: 1px solid #e5e7eb;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
}

.newsletter-viewer-header h2 {
    margin: 0;
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-dark, #000);
    flex: 1;
}

.newsletter-external-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--color-dark, #000);
    color: #ffffff !important;
    text-decoration: none;
    border-radius: 0;
    font-size: 0.875rem;
    font-weight: 600;
    transition: opacity 0.2s ease;
    white-space: nowrap;
}

.newsletter-external-link:hover {
    opacity: 0.8;
}

.newsletter-external-link svg {
    flex-shrink: 0;
}

.newsletter-viewer-body {
    flex: 1;
    position: relative;
    overflow: hidden;
}

.newsletter-viewer-body iframe {
    width: 100%;
    height: 100%;
    border: none;
    display: block;
}

.newsletter-viewer-empty {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
    color: var(--color-text-gray, #666);
    font-size: 1rem;
}

/* Scrollbar styling for newsletter list */
.newsletter-list::-webkit-scrollbar {
    width: 8px;
}

.newsletter-list::-webkit-scrollbar-track {
    background: transparent;
}

.newsletter-list::-webkit-scrollbar-thumb {
    background: rgba(0, 0, 0, 0.15);
    border-radius: 0;
}

.newsletter-list::-webkit-scrollbar-thumb:hover {
    background: rgba(0, 0, 0, 0.25);
}

/* Responsive layout */
@media (max-width: 980px) {
    .newsletter-archive-viewer {
        grid-template-columns: 280px 1fr;
        height: 70vh;
        border-radius: 0;
    }
    
    .newsletter-viewer-header {
        padding: 1rem 1.5rem;
    }
    
    .newsletter-viewer-header h2 {
        font-size: 1.25rem;
    }
}

@media (max-width: 768px) {
    .newsletter-archive-viewer {
        grid-template-columns: 1fr;
        grid-template-rows: auto 1fr;
        height: auto;
        min-height: 400px;
        border-radius: 0;
    }
    
    /* Mobile sidebar improvements */
    .newsletter-sidebar {
        border-right: none;
        border-bottom: 2px solid var(--color-primary, #e2e464);
        max-height: 300px;
    }
    
    .newsletter-sidebar-header {
        padding: 1rem 1rem 0.75rem 1rem;
        position: sticky;
        top: 0;
        z-index: 10;
    }
    
    .newsletter-sidebar-header h3 {
        font-size: 1rem;
        font-weight: 700;
    }
    
    /* Larger touch targets for mobile */
    .newsletter-list-item {
        padding: 1rem;
        min-height: 70px;
        border-bottom: 1px solid rgba(0, 0, 0, 0.08);
    }
    
    .newsletter-list-item:active {
        background: rgba(0, 0, 0, 0.05);
    }
    
    .newsletter-list-title {
        font-size: 0.9rem;
        line-height: 1.3;
    }
    
    .newsletter-list-date {
        font-size: 0.8rem;
    }
    
    /* Mobile viewer */
    .newsletter-viewer {
        min-height: 60vh;
    }
    
    .newsletter-viewer-header {
        padding: 1rem;
        flex-direction: row;
        align-items: center;
        gap: 0.75rem;
        flex-wrap: wrap;
    }
    
    .newsletter-viewer-header h2 {
        font-size: 1rem;
        flex: 1 1 100%;
        margin-bottom: 0.5rem;
    }
    
    /* Mobile button improvements */
    .newsletter-external-link {
        padding: 0.625rem 1rem;
        font-size: 0.8125rem;
        margin-left: auto;
    }
    
    .newsletter-external-link svg {
        width: 12px;
        height: 12px;
    }
}

/* Extra small mobile (max 480px) */
@media (max-width: 480px) {
    .newsletter-archive-viewer {
        margin: 1rem 0;
    }
    
    .newsletter-sidebar {
        max-height: 250px;
    }
    
    .newsletter-sidebar-header {
        padding: 0.75rem 0.875rem 0.5rem 0.875rem;
    }
    
    .newsletter-list-item {
        padding: 0.875rem;
        min-height: 65px;
    }
    
    .newsletter-list-title {
        font-size: 0.875rem;
    }
    
    .newsletter-viewer {
        min-height: 50vh;
    }
    
    .newsletter-viewer-header {
        padding: 0.875rem;
    }
    
    .newsletter-viewer-header h2 {
        font-size: 0.9375rem;
    }
    
    .newsletter-external-link {
        padding: 0.5rem 0.875rem;
        font-size: 0.75rem;
    }
}

/* Loading state */
.newsletter-viewer-body.loading {
    opacity: 0.6;
    pointer-events: none;
}

.newsletter-viewer-body.loading::after {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 40px;
    height: 40px;
    border: 3px solid var(--color-primary, #e2e464);
    border-top-color: transparent;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to {
        transform: translate(-50%, -50%) rotate(360deg);
    }
}

/* Error/Empty states */
.newsletter-archive-error,
.newsletter-archive-empty {
    background-color: #fef2f2;
    border: 1px solid #fecaca;
    border-radius: 0;
    padding: 2rem;
    margin: 2rem 0;
}

.newsletter-archive-error p,
.newsletter-archive-empty p {
    margin: 0;
    color: #991b1b;
    font-size: 1rem;
}

.newsletter-archive-empty {
    background-color: #fffbeb;
    border-color: #fde68a;
}

.newsletter-archive-empty p {
    color: #92400e;
}