/* CSS Variables */
:root {
    --primary-color: #000000;
    --secondary-color: #0a0a0a;
    --accent-color: #e94560;
    --text-color: #ffffff;
    --text-muted: #888888;
    --card-bg: #141414;
    --card-hover: #1a1a1a;
    --shadow-color: rgba(50, 50, 50, 0.3);

    /* Platform Colors */
    --twitter-color: #1da1f2;
    --instagram-color: #e1306c;
    --facebook-color: #4267b2;
    --tiktok-color: #ff0050;
    --youtube-color: #ff0000;

    --border-radius: 12px;
    --transition: all 0.3s ease;
}

/* Reset & Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--primary-color);
    color: var(--text-color);
    min-height: 100vh;
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
.header {
    padding: 60px 0 40px;
    text-align: center;
    background: linear-gradient(180deg, rgba(40, 40, 40, 0.5) 0%, transparent 100%);
}

.site-title {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 10px;
    background: linear-gradient(90deg, #239f40 0%, #239f40 30%, #ffffff 45%, #ffffff 55%, #da0000 70%, #da0000 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.site-description {
    font-size: 1.2rem;
    max-width: 600px;
    margin: 0 auto;
    background: linear-gradient(90deg, #239f40 0%, #239f40 30%, #ffffff 45%, #ffffff 55%, #da0000 70%, #da0000 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 500;
}

/* Filters */
.filters {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
    margin-bottom: 40px;
    padding: 20px 0;
}

.filter-btn {
    background: var(--card-bg);
    border: 2px solid transparent;
    background-image: linear-gradient(var(--card-bg), var(--card-bg)),
                      linear-gradient(90deg, #239f40 0%, #239f40 30%, #ffffff 45%, #ffffff 55%, #da0000 70%, #da0000 100%);
    background-origin: border-box;
    background-clip: padding-box, border-box;
    color: var(--text-color);
    padding: 10px 20px;
    border-radius: 25px;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 500;
    transition: var(--transition);
    box-shadow: 0 2px 10px var(--shadow-color);
}

.filter-btn:hover {
    background-image: linear-gradient(var(--card-hover), var(--card-hover)),
                      linear-gradient(90deg, #239f40 0%, #239f40 30%, #ffffff 45%, #ffffff 55%, #da0000 70%, #da0000 100%);
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(50, 50, 50, 0.4);
}

.filter-btn.active {
    background-image: linear-gradient(var(--card-hover), var(--card-hover)),
                      linear-gradient(90deg, #239f40 0%, #239f40 30%, #ffffff 45%, #ffffff 55%, #da0000 70%, #da0000 100%);
    border: 3px solid transparent;
}

/* Posts Grid */
.posts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 25px;
    padding-bottom: 40px;
}

/* Post Card */
.post-card {
    background: var(--card-bg);
    border-radius: var(--border-radius);
    overflow: hidden;
    transition: var(--transition);
    position: relative;
    cursor: pointer;
    border: 2px solid transparent;
    background-image: linear-gradient(var(--card-bg), var(--card-bg)),
                      linear-gradient(135deg, #239f40 0%, #239f40 25%, #ffffff 40%, #ffffff 60%, #da0000 75%, #da0000 100%);
    background-origin: border-box;
    background-clip: padding-box, border-box;
    box-shadow: 0 4px 20px var(--shadow-color),
                0 0 40px rgba(30, 30, 30, 0.2);
}

.post-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 20px 50px rgba(60, 60, 60, 0.4),
                0 0 60px rgba(50, 50, 50, 0.3);
}

.post-card.pinned {
    border: 3px solid transparent;
    background-image: linear-gradient(var(--card-bg), var(--card-bg)),
                      linear-gradient(135deg, #239f40 0%, #239f40 25%, #ffffff 40%, #ffffff 60%, #da0000 75%, #da0000 100%);
}

.post-card.pinned::before {
    content: "PINNED";
    position: absolute;
    top: 15px;
    right: 15px;
    background: var(--accent-color);
    color: white;
    font-size: 0.7rem;
    font-weight: 600;
    padding: 4px 10px;
    border-radius: 20px;
    z-index: 10;
}

.post-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.post-content {
    padding: 20px;
}

.post-platform {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 12px;
    padding: 5px 12px;
    border-radius: 20px;
}

.post-platform.twitter {
    background: rgba(29, 161, 242, 0.2);
    color: var(--twitter-color);
}

.post-platform.instagram {
    background: rgba(225, 48, 108, 0.2);
    color: var(--instagram-color);
}

.post-platform.facebook {
    background: rgba(66, 103, 178, 0.2);
    color: var(--facebook-color);
}

.post-platform.tiktok {
    background: rgba(255, 0, 80, 0.2);
    color: var(--tiktok-color);
}

.post-platform.youtube {
    background: rgba(255, 0, 0, 0.2);
    color: var(--youtube-color);
}

.post-platform.text {
    background: rgba(255, 255, 255, 0.1);
    color: #ffffff;
}

/* Twitter Card */
.twitter-link-hint {
    margin-top: 15px;
    padding-top: 15px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.twitter-username {
    color: var(--twitter-color);
    font-weight: 600;
    font-size: 0.95rem;
}

.platform-icon {
    width: 16px;
    height: 16px;
}

.post-text {
    font-size: 1rem;
    line-height: 1.6;
    margin-bottom: 20px;
    color: var(--text-color);
    display: -webkit-box;
    -webkit-line-clamp: 4;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.post-category {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 15px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Action Buttons */
.post-actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.action-btn {
    flex: 1;
    min-width: 100px;
    padding: 12px 16px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: var(--transition);
}

.action-btn:hover {
    transform: scale(1.02);
    filter: brightness(1.1);
}

.action-btn.share-btn {
    background: var(--accent-color);
    color: white;
}

.action-btn.twitter-btn {
    background: var(--twitter-color);
    color: white;
}

.action-btn.copy-btn {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-color);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.action-btn.copy-btn:hover {
    background: rgba(255, 255, 255, 0.2);
}

/* Loading State */
.loading {
    text-align: center;
    padding: 60px 20px;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 4px solid rgba(255, 255, 255, 0.1);
    border-top-color: var(--accent-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 20px;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-muted);
}

/* Footer */
.footer {
    text-align: center;
    padding: 40px 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-muted);
}

.footer-note {
    margin-top: 10px;
    font-size: 0.9rem;
}

/* Toast Notification */
.toast {
    position: fixed;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background: var(--accent-color);
    color: white;
    padding: 15px 30px;
    border-radius: 8px;
    font-weight: 500;
    opacity: 0;
    transition: all 0.3s ease;
    z-index: 1000;
}

.toast.show {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
}

/* Responsive Design */
@media (max-width: 768px) {
    .site-title {
        font-size: 2rem;
    }

    .site-description {
        font-size: 1rem;
    }

    .posts-grid {
        grid-template-columns: 1fr;
    }

    .filters {
        gap: 8px;
    }

    .filter-btn {
        padding: 8px 16px;
        font-size: 0.85rem;
    }

    .post-actions {
        flex-direction: column;
    }

    .action-btn {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .header {
        padding: 40px 0 30px;
    }

    .site-title {
        font-size: 1.75rem;
    }

    .container {
        padding: 0 15px;
    }
}

/* SVG Icons inline styles */
.icon {
    width: 18px;
    height: 18px;
    fill: currentColor;
}