/* DevFeed - Black Brutalist UI */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --bg: #000000;
    --bg-card: #0a0a0a;
    --bg-hover: #141414;
    --border: #1a1a1a;
    --text: #ffffff;
    --text-muted: #888888;
    --text-dim: #444444;
}

html {
    font-size: 16px;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
}

#app {
    min-height: 100vh;
}

/* Brand Header */
.brand-header {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    padding: 1.5rem 2rem;
    border-bottom: 1px solid var(--border);
}

.brand-icon {
    font-size: 1.75rem;
    line-height: 1;
}

.brand-name {
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: 2px;
    color: var(--text);
}

/* Stats Bar */
.stats-bar {
    display: flex;
    justify-content: center;
    gap: 6rem;
    padding: 3rem 2rem;
    border-bottom: 1px solid var(--border);
}

.stat-item {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 4rem;
    font-weight: 300;
    letter-spacing: -3px;
    line-height: 1;
    color: var(--text);
    transition: transform 0.3s ease;
}

.stat-number.updating {
    transform: scale(1.05);
}

.stat-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 400;
    color: var(--text-muted);
    margin-top: 0.75rem;
    letter-spacing: 0.5px;
}

/* Filters Bar */
.filters-bar {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    border-bottom: 1px solid var(--border);
    overflow-x: auto;
}

.filters-bar::-webkit-scrollbar {
    display: none;
}

.filter-btn {
    font-family: inherit;
    font-size: 0.7rem;
    font-weight: 500;
    padding: 0.5rem 1rem;
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-dim);
    cursor: pointer;
    transition: all 0.2s ease;
    letter-spacing: 1px;
}

.filter-btn:hover {
    color: var(--text);
    border-color: var(--text-dim);
}

.filter-btn.active {
    background: var(--text);
    color: var(--bg);
    border-color: var(--text);
}

.filter-spacer {
    flex: 1;
}

.action-btn {
    font-family: inherit;
    font-size: 0.7rem;
    font-weight: 600;
    padding: 0.5rem 1.25rem;
    background: var(--text);
    border: none;
    color: var(--bg);
    cursor: pointer;
    transition: all 0.2s ease;
    letter-spacing: 1px;
}

.action-btn:hover {
    opacity: 0.8;
}

/* Loading State */
.loading-state {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 400px;
}

.loading-state.hidden {
    display: none;
}

.loading-text {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-dim);
    letter-spacing: 3px;
    animation: pulse 1.5s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
}

/* Error State */
.error-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 400px;
    gap: 1rem;
}

.error-state.hidden {
    display: none;
}

.error-icon {
    font-size: 2rem;
    color: var(--text-dim);
}

.error-title {
    font-size: 1.25rem;
    font-weight: 600;
    letter-spacing: 3px;
}

.error-message {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.retry-btn {
    font-family: inherit;
    font-size: 0.7rem;
    font-weight: 600;
    padding: 0.75rem 2rem;
    background: transparent;
    border: 1px solid var(--text);
    color: var(--text);
    cursor: pointer;
    margin-top: 1rem;
    letter-spacing: 2px;
    transition: all 0.2s ease;
}

.retry-btn:hover {
    background: var(--text);
    color: var(--bg);
}

/* Main Content */
.main-content {
    padding: 0;
}

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

/* Posts Sections */
.posts-section {
    border-bottom: 1px solid var(--border);
    padding: 2rem 0;
}

.posts-section:last-child {
    border-bottom: none;
}

.section-header {
    padding: 0 2rem 1.5rem;
    display: flex;
    align-items: baseline;
    gap: 1rem;
}

.section-title {
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 3px;
    color: var(--text);
}

.section-subtitle {
    font-size: 0.75rem;
    color: var(--text-dim);
    font-weight: 400;
}

/* Posts Row - Horizontal Scroll */
.posts-row {
    display: flex;
    gap: 1px;
    overflow-x: auto;
    padding: 0 2rem;
    scroll-behavior: smooth;
    -webkit-overflow-scrolling: touch;
}

.posts-row::-webkit-scrollbar {
    height: 4px;
}

.posts-row::-webkit-scrollbar-track {
    background: var(--bg);
}

.posts-row::-webkit-scrollbar-thumb {
    background: var(--border);
}

/* Post Card */
.post-card {
    flex: 0 0 320px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    padding: 1.25rem;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.post-card:hover {
    background: var(--bg-hover);
    border-color: var(--text-dim);
}

.post-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.post-avatar {
    width: 32px;
    height: 32px;
    border-radius: 2px;
    object-fit: cover;
    background: var(--border);
}

.post-meta {
    flex: 1;
    min-width: 0;
}

.post-author {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.post-time {
    font-size: 0.7rem;
    color: var(--text-dim);
}

.post-content {
    font-size: 0.85rem;
    line-height: 1.5;
    color: var(--text-muted);
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    flex: 1;
}

.post-stats {
    display: flex;
    gap: 1rem;
    padding-top: 0.75rem;
    border-top: 1px solid var(--border);
}

.post-stat {
    font-size: 0.7rem;
    color: var(--text-dim);
}

.post-stat-value {
    font-weight: 600;
    color: var(--text-muted);
}

/* Empty Section */
.empty-section {
    padding: 3rem;
    text-align: center;
    color: var(--text-dim);
    font-size: 0.8rem;
}

/* Modal */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.modal.hidden {
    display: none;
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.95);
}

.modal-content {
    position: relative;
    background: var(--bg-card);
    border: 1px solid var(--border);
    max-width: 550px;
    width: 100%;
    max-height: 80vh;
    overflow-y: auto;
}

.modal-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    width: 28px;
    height: 28px;
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-dim);
    font-size: 0.9rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}

.modal-close:hover {
    background: var(--text);
    color: var(--bg);
    border-color: var(--text);
}

.modal-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem;
    border-bottom: 1px solid var(--border);
}

.modal-avatar {
    width: 40px;
    height: 40px;
    border-radius: 2px;
    object-fit: cover;
}

.modal-meta h2 {
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 0.2rem;
}

.modal-meta span {
    font-size: 0.7rem;
    color: var(--text-dim);
}

.modal-body {
    padding: 1.5rem;
}

.modal-body p {
    font-size: 0.9rem;
    line-height: 1.7;
    color: var(--text-muted);
}

.modal-stats {
    display: flex;
    gap: 1.5rem;
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--border);
    background: var(--bg);
}

.modal-stat {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.modal-stat span:first-child {
    font-weight: 600;
    color: var(--text);
}

/* Responsive */
@media (max-width: 768px) {
    .stats-bar {
        gap: 3rem;
        padding: 2rem 1rem;
    }
    
    .stat-number {
        font-size: 2.5rem;
    }
    
    .filters-bar {
        padding: 0.75rem 1rem;
    }
    
    .section-header {
        padding: 0 1rem 1rem;
        flex-direction: column;
        gap: 0.25rem;
    }
    
    .posts-row {
        padding: 0 1rem;
    }
    
    .post-card {
        flex: 0 0 280px;
    }
}