/* Group Details Styles */

.details-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    margin-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--border);
    padding-bottom: var(--spacing-md);
}

.details-header h2 {
    font-size: 1.5rem;
    color: var(--text-main);
}

.header-actions {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

/* Tabs */
.details-tabs {
    display: flex;
    gap: var(--spacing-xs);
    border-bottom: 1px solid var(--border);
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
}

.tab-btn {
    padding: 0.75rem 1.5rem;
    background: none;
    border: none;
    border-bottom: 2px solid transparent;
    cursor: pointer;
    font-weight: 500;
    color: var(--text-muted);
    transition: all 0.2s;
    font-size: 1rem;
}

.tab-btn:hover {
    color: var(--primary);
}

.tab-btn.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
}

/* Tab Content */
.tab-pane {
    display: none; /* Controlled by JS? Or we render only active one. Controller renders only active, so this might not be needed if I only inject active content. */
    animation: fadeIn 0.3s ease;
}

.tab-pane.active {
    display: block; /* If we rendered all and toggled visibility. My controller replaces innerHTML, so I don't need this toggle class logic in CSS unless i change approach. Controller logic says: contentArea.innerHTML = renderX(). So no display:none needed on the pane itself if it's the only child. */
}

/* Participants List */
.list-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
    margin-bottom: var(--spacing-md);
}

.participants-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.participant-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background-color: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all 0.2s;
}

.participant-item:hover {
    border-color: var(--primary);
    transform: translateX(4px);
}

.p-avatar {
    width: 40px;
    height: 40px;
    background-color: var(--primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 1.1rem;
}

.p-info {
    flex: 1;
    min-width: 0;
}

.p-name {
    font-weight: 600;
    color: var(--text-main);
}

.p-meta {
    font-size: 0.85rem;
    color: var(--text-muted);
    overflow-wrap: anywhere;
}

@media (max-width: 768px) {
    .details-tabs .tab-btn {
        flex: 1 1 calc(50% - var(--spacing-xs));
        text-align: center;
        padding: 0.75rem 1rem;
    }

    .header-actions,
    .list-header {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .details-tabs .tab-btn {
        flex-basis: 100%;
    }

    .participant-item {
        align-items: flex-start;
    }
}

/* Info Card */
.info-card {
    background-color: var(--surface);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
    margin-bottom: var(--spacing-md);
}

.info-card h4 {
    margin-bottom: var(--spacing-md);
    color: var(--text-main);
    border-bottom: 1px solid var(--border);
    padding-bottom: var(--spacing-xs);
}

.info-card p {
    margin-bottom: 0.5rem;
    color: var(--text-muted);
}

.info-card strong {
    color: var(--text-main);
}

.history-list {
    list-style: none;
    padding: 0;
}

.history-list li {
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--border);
    font-size: 0.9rem;
}

.history-list li:last-child {
    border-bottom: none;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}