.activity-dashboard {
    background: var(--color-card);
    border-radius: var(--radius-lg);
    padding: 2rem;
    margin: 3rem 0;
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-md);
}

.skills-visualization {
    position: relative;
    height: 200px; /* Fixed height for container */
    width: 100%;
}

#skills-chart {
    max-height: 180px !important;
    width: 100% !important;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.view-controls {
    display: flex;
    gap: 0.5rem;
}

.view-btn {
    padding: 0.5rem 1rem;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    color: var(--color-text-secondary);
    font-size: 0.875rem;
    cursor: pointer;
    transition: var(--transition-fast);
}

.view-btn.active {
    background: var(--color-primary);
    color: var(--color-bg);
    border-color: var(--color-primary);
}

.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.dashboard-card {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    border: 1px solid var(--color-border);
    transition: var(--transition-normal);
    height: 100%;
}

.dashboard-card h3 {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
    color: var(--color-primary);
}

.contributors-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.contributors-card .contributor-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.75rem;
    background: var(--color-card);
    border-radius: var(--radius-md);
}

.activities-feed {
    max-height: 300px;
    overflow-y: auto;
    padding-right: 0.5rem;
}

.activities-card .activity-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem;
    margin-bottom: 0.5rem;
    background: var(--color-card);
    border-radius: var(--radius-md);
}

.heatmap-container {
    position: relative;
    padding: 1rem;
    background: var(--color-card);
    border-radius: var(--radius-md);
}

.heatmap-grid {
    position: relative;
    height: 200px;
    background-image: linear-gradient(45deg, var(--color-border) 25%, transparent 25%),
                      linear-gradient(-45deg, var(--color-border) 25%, transparent 25%),
                      linear-gradient(45deg, transparent 75%, var(--color-border) 75%),
                      linear-gradient(-45deg, transparent 75%, var(--color-border) 75%);
    background-size: 20px 20px;
    background-position: 0 0, 0 10px, 10px -10px, -10px 0px;
}

.city-dot {
    position: absolute;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition-normal);
}

.city-dot.addis {
    top: 30%;
    left: 50%;
    background: var(--color-primary);
    transform: translate(-50%, -50%);
}

.city-dot.bahirdar {
    top: 40%;
    left: 40%;
    background: var(--color-accent);
    transform: translate(-50%, -50%);
}

.city-dot.mekelle {
    top: 50%;
    left: 60%;
    background: var(--color-accent);
    transform: translate(-50%, -50%);
}

.city-dot.hawassa {
    top: 70%;
    left: 45%;
    background: var(--color-text-muted);
    transform: translate(-50%, -50%);
}

.city-dot.jimma {
    top: 60%;
    left: 35%;
    background: var(--color-text-muted);
    transform: translate(-50%, -50%);
}

.city-name {
    position: absolute;
    bottom: -20px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 0.75rem;
    color: var(--color-text-secondary);
    white-space: nowrap;
}

.heatmap-legend {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--color-border);
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
}

.legend-item::before {
    content: '';
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.legend-item.high::before {
    background: var(--color-primary);
}

.legend-item.medium::before {
    background: var(--color-accent);
}

.legend-item.low::before {
    background: var(--color-text-muted);
}

/* ===== B. MEMBER DIRECTORY ===== */
.member-directory {
    background: var(--color-card);
    border-radius: var(--radius-lg);
    padding: 2rem;
    margin: 3rem 0;
    border: 1px solid var(--color-border);
}

.member-search {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 2rem;
}

.search-box {
    position: relative;
    flex: 1;
}

.search-box i {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-text-muted);
}

#member-search {
    width: 100%;
    padding: 0.75rem 1rem 0.75rem 2.5rem;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    color: var(--color-text);
}

.search-filters {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

#skill-filter, #city-filter, #availability-filter {
    padding: 0.75rem 1rem;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    color: var(--color-text);
    min-width: 150px;
}

.directory-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

.skills-visualization {
    background: var(--color-surface);
    padding: 1.5rem;
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
}

.skills-visualization h3 {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

#skills-chart {
    height: 250px;
    width: 100%;
}

.matching-system {
    background: var(--color-surface);
    padding: 1.5rem;
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
}

.matching-options {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin: 1rem 0;
}

.match-role h4 {
    margin-bottom: 0.5rem;
}

.role-buttons {
    display: flex;
    gap: 0.5rem;
}

.role-btn {
    padding: 0.5rem 1rem;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    cursor: pointer;
}

.role-btn.active {
    background: var(--color-primary);
    color: var(--color-bg);
    border-color: var(--color-primary);
}

.match-filters {
    display: flex;
    gap: 0.5rem;
}

#match-skill {
    flex: 1;
    padding: 0.75rem 1rem;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
}

#find-match {
    padding: 0.75rem 1.5rem;
    background: var(--color-primary);
    color: var(--color-bg);
    border: none;
    border-radius: var(--radius-lg);
    cursor: pointer;
}

.match-results {
    margin-top: 1rem;
    padding: 1rem;
    background: var(--color-card);
    border-radius: var(--radius-lg);
    border: 1px dashed var(--color-border);
}

.availability-section {
    background: var(--color-surface);
    padding: 1.5rem;
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
}

.availability-options {
    display: flex;
    gap: 1rem;
    margin: 1rem 0;
}

.status-option {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    padding: 1rem;
    border-radius: var(--radius-md);
    transition: var(--transition-fast);
}

.status-option:hover {
    background: var(--color-hover);
}

.status-indicator {
    width: 20px;
    height: 20px;
    border-radius: 50%;
}

.status-indicator.online {
    background: var(--color-success);
    animation: blink 2s infinite;
}

.status-indicator.away {
    background: var(--color-warning);
}

.status-indicator.busy {
    background: var(--color-error);
}

.timezone-display {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem;
    background: var(--color-card);
    border-radius: var(--radius-lg);
    margin-top: 1rem;
}

#ethiopian-time {
    font-weight: 600;
    color: var(--color-primary);
}

/* ===== C. DISCUSSION FORUMS ===== */
.discussion-forums {
    background: var(--color-card);
    border-radius: var(--radius-lg);
    padding: 2rem;
    margin: 3rem 0;
    border: 1px solid var(--color-border);
}

.forums-container {
    display: grid;
    grid-template-columns: 250px 1fr;
    gap: 2rem;
    margin-top: 1rem;
}

.forum-categories {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.category {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem;
    background: var(--color-surface);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition-fast);
}

.category.active {
    background: var(--color-primary);
    color: var(--color-bg);
}

.category:hover:not(.active) {
    background: var(--color-hover);
}

.category i {
    margin-right: 0.5rem;
}

.count {
    background: var(--color-card);
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
}

.category.active .count {
    background: rgba(255, 255, 255, 0.2);
    color: var(--color-bg);
}

.faq-section {
    grid-column: 1 / -1;
    background: var(--color-surface);
    padding: 1.5rem;
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    margin-top: 1rem;
}

.faq-list {
    margin-top: 1rem;
}

.faq-item {
    margin-bottom: 1rem;
    padding: 1rem;
    background: var(--color-card);
    border-radius: var(--radius-md);
    border-left: 3px solid var(--color-primary);
}

.faq-question {
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.faq-answer {
    color: var(--color-text-secondary);
    font-size: 0.875rem;
}

.forum-threads {
    background: var(--color-surface);
    padding: 1.5rem;
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    min-height: 300px;
}

/* ===== I. REALTIME FEATURES ===== */
.realtime-features {
    background: var(--color-card);
    border-radius: var(--radius-lg);
    padding: 2rem;
    margin: 3rem 0;
    border: 1px solid var(--color-border);
}

.realtime-status {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.realtime-status .live {
    color: var(--color-success);
    animation: blink 1s infinite;
}

.realtime-container {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 2rem;
    margin-top: 1rem;
}

.live-chat {
    background: var(--color-surface);
    padding: 1.5rem;
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
}

.chat-rooms {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
}

.chat-room {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
    background: var(--color-card);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: var(--transition-fast);
}

.chat-room.active {
    background: var(--color-primary);
    color: var(--color-bg);
}

.room-status {
    width: 8px;
    height: 8px;
    border-radius: 50%;
}

.room-status.online {
    background: var(--color-success);
}

.room-count {
    font-size: 0.75rem;
    color: var(--color-text-muted);
}

.chat-room.active .room-count {
    color: rgba(255, 255, 255, 0.8);
}

#chat-container {
    height: 300px;
    background: var(--color-card);
    border-radius: var(--radius-lg);
    padding: 1rem;
    overflow-y: auto;
    border: 1px solid var(--color-border);
}

.code-pairing {
    background: var(--color-surface);
    padding: 1.5rem;
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
}

#pairing-sessions {
    margin: 1rem 0;
    padding: 1rem;
    background: var(--color-card);
    border-radius: var(--radius-lg);
    border: 1px dashed var(--color-border);
    min-height: 100px;
}

#start-pairing {
    width: 100%;
    padding: 1rem;
    margin-top: 1rem;
}

.tech-news {
    grid-column: 1 / -1;
    background: var(--color-surface);
    padding: 1.5rem;
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    margin-top: 1rem;
}

#news-feed {
    margin-top: 1rem;
}

/* ===== JOIN FORM ===== */
#join-form .join-form {
    max-width: 600px;
    margin: 2rem auto;
}

.join-form .form-group {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-bottom: 1rem;
}

.join-form input, .join-form select {
    width: 100%;
    padding: 0.75rem 1rem;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    color: var(--color-text);
}

.join-form input:focus, .join-form select:focus {
    outline: none;
    border-color: var(--color-primary);
}

#community-join-form button[type="submit"] {
    width: 100%;
    padding: 1rem;
    margin-top: 1rem;
}

/* Animations */
@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* Responsive */
@media (max-width: 768px) {
    .dashboard-grid {
        grid-template-columns: 1fr;
    }
    
    .forums-container {
        grid-template-columns: 1fr;
    }
    
    .realtime-container {
        grid-template-columns: 1fr;
    }
    
    .join-form .form-group {
        grid-template-columns: 1fr;
    }
    
    .search-filters {
        flex-direction: column;
    }
    
    #skill-filter, #city-filter, #availability-filter {
        min-width: 100%;
    }
}