/* Browse Page Styles */
.browse-container {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background: var(--background);
}

.browse-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 24px;
    background: var(--surface);
    border-bottom: 1px solid var(--border-color);
    box-shadow: var(--shadow);
}

.browse-header h1 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.header-nav {
    display: flex;
    gap: 12px;
}

.nav-link {
    padding: 8px 16px;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--primary-color);
    background: rgba(37, 99, 235, 0.1);
    border-radius: var(--radius);
    text-decoration: none;
    transition: var(--transition);
}

.nav-link:hover {
    background: var(--primary-color);
    color: white;
}

.browse-main {
    flex: 1;
    display: flex;
    overflow: hidden;
}

/* Left Panel - Article List */
.article-list-panel {
    width: 320px;
    min-width: 280px;
    max-width: 400px;
    background: var(--surface);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
}

.list-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px;
    border-bottom: 1px solid var(--border-color);
}

.list-header h2 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.btn-sm {
    padding: 6px 12px;
    font-size: 0.75rem;
}

.list-filters {
    padding: 12px 16px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    border-bottom: 1px solid var(--border-color);
    background: var(--background);
}

.list-filters .form-input {
    padding: 8px 12px;
    font-size: 0.875rem;
}

.article-list {
    flex: 1;
    overflow-y: auto;
    padding: 8px;
}

.article-list-item {
    padding: 12px 14px;
    margin-bottom: 4px;
    background: var(--background);
    border-radius: var(--radius);
    transition: var(--transition);
    border: 2px solid transparent;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
}

.article-list-item:hover {
    background: var(--border-color);
}

.article-list-item.active {
    background: rgba(37, 99, 235, 0.1);
    border-color: var(--primary-color);
}

.article-list-item .item-content {
    flex: 1;
    overflow: hidden;
    cursor: pointer;
}

.article-list-item .item-delete-btn {
    width: 24px;
    height: 24px;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    font-size: 1.25rem;
    cursor: pointer;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    opacity: 1;
    flex-shrink: 0;
}

.article-list-item:hover .item-delete-btn {
    opacity: 1;
}

.article-list-item .item-delete-btn:hover {
    background: var(--danger-color);
    color: white;
}

.article-list-item .item-title {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 4px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.article-list-item .item-meta {
    font-size: 0.75rem;
    color: var(--text-secondary);
    display: flex;
    gap: 8px;
}

.article-list-item .item-dir {
    padding: 2px 6px;
    background: var(--surface);
    border-radius: 4px;
    font-size: 0.7rem;
}

.list-footer {
    padding: 12px 16px;
    border-top: 1px solid var(--border-color);
    font-size: 0.75rem;
    color: var(--text-secondary);
    text-align: center;
}

.list-actions {
    display: flex;
    gap: 8px;
}

.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-top: 8px;
}

.page-btn {
    padding: 4px 10px;
    font-size: 0.75rem;
    border: 1px solid var(--border-color);
    background: var(--surface);
    color: var(--text-primary);
    border-radius: 4px;
    cursor: pointer;
    transition: var(--transition);
}

.page-btn:hover:not(:disabled) {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.page-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.page-info {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

/* Right Panel - Article Content */
.article-content-panel {
    flex: 1;
    overflow-y: auto;
    padding: 24px 32px;
    background: var(--background);
}

.content-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    color: var(--text-secondary);
}

.placeholder-icon {
    font-size: 4rem;
    margin-bottom: 16px;
    opacity: 0.5;
}

.content-placeholder p {
    font-size: 1rem;
}

.article-content {
    max-width: 800px;
    margin: 0 auto;
    background: var(--surface);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 32px;
}

.article-content.hidden {
    display: none;
}

.content-header {
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border-color);
}

.content-header h1 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 12px;
    line-height: 1.3;
}

.article-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.article-meta span {
    display: flex;
    align-items: center;
    gap: 4px;
}

.content-body {
    font-size: 1rem;
    line-height: 1.8;
    color: var(--text-primary);
}

.content-body h1 {
    font-size: 1.5rem;
    margin-top: 32px;
    margin-bottom: 16px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border-color);
}

.content-body h2 {
    font-size: 1.35rem;
    margin-top: 28px;
    margin-bottom: 12px;
}

.content-body h3 {
    font-size: 1.2rem;
    margin-top: 24px;
    margin-bottom: 10px;
}

.content-body p {
    margin-bottom: 16px;
}

.content-body ul,
.content-body ol {
    margin-bottom: 16px;
    padding-left: 24px;
}

.content-body li {
    margin-bottom: 6px;
}

.content-body code {
    background: #f1f5f9;
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 0.875rem;
    font-family: 'SF Mono', 'Fira Code', monospace;
}

.content-body pre {
    background: #1e293b;
    color: #e2e8f0;
    padding: 16px;
    border-radius: var(--radius);
    overflow-x: auto;
    margin-bottom: 16px;
}

.content-body pre code {
    background: transparent;
    padding: 0;
    color: inherit;
}

.content-body blockquote {
    border-left: 4px solid var(--primary-color);
    padding-left: 16px;
    margin: 16px 0;
    color: var(--text-secondary);
    font-style: italic;
}

.content-body img {
    max-width: 100%;
    border-radius: var(--radius);
    margin: 16px 0;
}

.content-body a {
    color: var(--primary-color);
    text-decoration: none;
}

.content-body a:hover {
    text-decoration: underline;
}

.loading-text {
    color: var(--text-secondary);
    text-align: center;
    padding: 24px;
}

.empty-text {
    color: var(--text-secondary);
    text-align: center;
    padding: 24px;
    font-style: italic;
}

/* Responsive - Mobile */
@media (max-width: 768px) {
    .browse-container {
        height: 100vh;
        width: 100vw;
        display: flex;
        flex-direction: column;
        overflow: hidden;
    }

    .browse-header {
        flex-shrink: 0;
        padding: 10px 16px;
    }

    .browse-main {
        flex: 1;
        flex-direction: column;
        height: auto;
        overflow: hidden;
        position: relative;
    }

    .article-list-panel {
        width: 100%;
        max-width: none;
        height: 100%;
        border-right: none;
        border-bottom: none;
        flex-shrink: 0;
        overflow: hidden;
        display: flex;
        flex-direction: column;
        position: relative;
        z-index: 10;
        background: var(--surface);
    }

    .article-list-panel.hidden-mobile {
        display: none;
    }

    .list-header {
        flex-shrink: 0;
        flex-wrap: wrap;
        gap: 6px;
        padding: 8px 12px;
    }

    .list-header h2 {
        font-size: 0.9rem;
    }

    .list-filters {
        flex-shrink: 0;
        padding: 8px 12px;
        gap: 6px;
    }

    .list-filters .form-input {
        padding: 6px 10px;
        font-size: 0.8rem;
    }

    .article-list {
        flex: 1;
        overflow-y: auto;
        min-height: 0;
        padding: 4px 8px;
    }

    .list-footer {
        flex-shrink: 0;
        padding: 8px 12px;
    }

    .list-actions {
        width: 100%;
        justify-content: flex-end;
    }

    .article-content-panel {
        width: 100%;
        height: 100%;
        min-height: 0;
        padding: 12px;
        overflow-y: auto;
        position: fixed;
        /* Cover the list on mobile */
        top: 0;
        /* Will need adjustment based on header height, but JS logic will likely just hide list */
        left: 0;
        z-index: 20;
        background: var(--background);
        display: none;
        /* Hidden by default on mobile */
    }

    .article-content-panel.active-mobile {
        display: block;
        position: relative;
        /* Restoring normal flow if we are hiding list */
    }

    .mobile-nav {
        display: flex;
        margin-bottom: 12px;
        padding-bottom: 8px;
        border-bottom: 1px solid var(--border-color);
    }

    .mobile-nav.hidden {
        display: block !important;
        /* Force show on mobile */
    }

    .content-placeholder {
        display: none !important;
        /* Don't show placeholder on mobile */
    }

    .placeholder-icon {
        font-size: 2rem;
    }

    .content-placeholder p {
        font-size: 0.875rem;
    }

    .article-content {
        padding: 16px;
    }

    .browse-header h1 {
        font-size: 1rem;
    }

    .nav-link {
        padding: 6px 10px;
        font-size: 0.7rem;
    }

    .article-list-item {
        padding: 8px 10px;
        margin-bottom: 2px;
    }

    .article-list-item .item-title {
        font-size: 0.8rem;
        margin-bottom: 2px;
    }

    .article-list-item .item-meta {
        font-size: 0.65rem;
    }

    .article-list-item .item-dir {
        padding: 1px 4px;
        font-size: 0.6rem;
    }

    .btn-sm {
        padding: 4px 8px;
        font-size: 0.7rem;
    }
}

/* Default state for mobile nav on desktop */
.mobile-nav {
    display: none;
}