/* ============================================
   Messaging Styles
   Modern inbox + chat layout
   ============================================ */

.messages-wrapper {
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--spacing-6) var(--spacing-4);
}

.messages-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: var(--spacing-4);
    flex-wrap: wrap;
    margin-bottom: var(--spacing-6);
}

.messages-title {
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-bold);
    margin: 0;
}

.messages-subtitle {
    margin: var(--spacing-1) 0 0 0;
    color: var(--color-text-secondary);
}

.messages-header-actions {
    display: flex;
    gap: var(--spacing-3);
    flex-wrap: wrap;
}

.messages-layout {
    display: grid;
    grid-template-columns: 340px 1fr;
    gap: var(--spacing-5);
}

.messages-sidebar {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    display: flex;
    flex-direction: column;
    min-height: 720px;
    overflow: hidden;
}

.sidebar-search {
    padding: var(--spacing-4);
    border-bottom: 1px solid var(--color-border);
}

.conversations-list {
    flex: 1;
    overflow-y: auto;
}

.conversation-item {
    display: flex;
    gap: var(--spacing-3);
    padding: var(--spacing-4);
    border-bottom: 1px solid var(--color-border);
    cursor: pointer;
    transition: background-color var(--transition-fast);
}

.conversation-item:hover {
    background: rgba(99, 102, 241, 0.05);
}

.conversation-item.active {
    background: rgba(99, 102, 241, 0.08);
    border-left: 3px solid var(--color-primary);
}

.conversation-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    object-fit: cover;
    background: var(--color-surface-elevated);
}

.conversation-content {
    flex: 1;
    min-width: 0;
}

.conversation-name {
    margin: 0 0 var(--spacing-1) 0;
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
}

.conversation-snippet {
    margin: 0;
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.conversation-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: var(--spacing-2);
    color: var(--color-text-tertiary);
    font-size: var(--font-size-xs);
}

.unread-badge {
    background: var(--color-primary);
    color: white;
    border-radius: var(--radius-full);
    padding: 2px 8px;
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-bold);
}

.chat-panel {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    display: flex;
    flex-direction: column;
    min-height: 720px;
}

.chat-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-5);
    border-bottom: 1px solid var(--color-border);
    gap: var(--spacing-4);
    flex-wrap: wrap;
}

.chat-participant {
    margin: 0;
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
}

.chat-status {
    margin: var(--spacing-1) 0 0 0;
    color: var(--color-text-secondary);
}

.chat-actions {
    display: flex;
    gap: var(--spacing-2);
    flex-wrap: wrap;
}

.chat-thread {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-5);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-3);
    background: radial-gradient(circle at top right, rgba(99, 102, 241, 0.05), transparent 40%),
                radial-gradient(circle at bottom left, rgba(236, 72, 153, 0.05), transparent 40%);
}

.message-row {
    display: flex;
    gap: var(--spacing-3);
    max-width: 80%;
}

.message-row.sent {
    margin-left: auto;
    flex-direction: row-reverse;
}

.message-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    object-fit: cover;
    background: var(--color-surface-elevated);
}

.message-bubble {
    padding: var(--spacing-3);
    border-radius: var(--radius-lg);
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid var(--color-border);
    color: var(--color-text-primary);
    position: relative;
}

.message-row.sent .message-bubble {
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    color: white;
    border: none;
}

.message-content {
    margin: 0 0 var(--spacing-1) 0;
    line-height: 1.5;
    word-wrap: break-word;
}

.message-meta {
    font-size: var(--font-size-xs);
    color: var(--color-text-tertiary);
    display: flex;
    gap: var(--spacing-2);
    align-items: center;
}

.message-row.sent .message-meta {
    color: rgba(255,255,255,0.8);
}

.chat-composer {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: var(--spacing-3);
    padding: var(--spacing-4);
    border-top: 1px solid var(--color-border);
    background: var(--color-surface);
}

.chat-composer-input input {
    width: 100%;
    padding: var(--spacing-3);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    background: var(--color-surface-elevated);
    color: var(--color-text-primary);
    font-size: var(--font-size-base);
}

.chat-composer-input input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
}

.messages-empty {
    text-align: center;
    padding: var(--spacing-10) var(--spacing-6);
    color: var(--color-text-secondary);
}

.messages-empty-icon {
    font-size: 64px;
    margin-bottom: var(--spacing-4);
    opacity: 0.6;
}

.messages-empty-title {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    margin: 0 0 var(--spacing-2) 0;
    color: var(--color-text-primary);
}

.messages-empty-text {
    margin: 0;
    color: var(--color-text-secondary);
}

/* Responsive */
@media (max-width: 1024px) {
    .messages-layout {
        grid-template-columns: 320px 1fr;
    }
}

@media (max-width: 900px) {
    .messages-layout {
        grid-template-columns: 1fr;
    }

    .messages-sidebar {
        min-height: 360px;
    }

    .chat-panel {
        min-height: 500px;
    }
}

@media (max-width: 640px) {
    .messages-wrapper {
        padding: var(--spacing-4) var(--spacing-3);
    }

    .messages-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .message-row {
        max-width: 100%;
    }
}