/* ===== Live Chat Page ===== */

/* Back bar */
.secondary-backbar {
    background: linear-gradient(90deg, var(--primary-rose), var(--secondary-lavender-dark));
    padding: var(--spacing-sm) 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

.backbar-inner {
    display: flex;
    align-items: center;
    gap: var(--spacing-base);
}

.back-button {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    background: var(--primary-rose-darker);
    color: var(--white);
    border: none;
    border-radius: var(--radius-base);
    padding: var(--spacing-xs) var(--spacing-base);
    font-size: var(--font-size-sm);
    font-weight: 500;
    cursor: pointer;
    transition: background 0.2s;
}

.back-button:hover {
    background: #b86060;
}

.backbar-title {
    color: var(--white);
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin: 0;
}

/* Breadcrumb */
.breadcrumb {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    font-size: var(--font-size-sm);
    color: var(--gray);
    margin-bottom: var(--spacing-sm);
}

.breadcrumb a {
    color: var(--primary-rose-darker);
    text-decoration: none;
}

.breadcrumb a:hover {
    color: var(--secondary-lavender-darker);
}

/* Page header */
.page-header {
    padding: var(--spacing-base) 0 var(--spacing-sm);
    text-align: center;
}

.page-header .page-title {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--text-dark);
    margin: 0 0 var(--spacing-xs);
    text-align: center;
}

.page-header .page-subtitle {
    color: var(--gray);
    font-size: var(--font-size-base);
    margin: 0 auto;
    text-align: center;
}

/* Category switcher */
.category-switcher-section {
    padding: var(--spacing-base) 0;
    border-bottom: 1px solid #f0e8e8;
    background: var(--white);
    position: sticky;
    top: 52px;
    z-index: 90;
}

.category-switcher {
    display: flex;
    justify-content: center;
    gap: var(--spacing-xs);
    flex-wrap: wrap;
}

.category-button {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: var(--spacing-xs) var(--spacing-base);
    border: 1px solid var(--primary-rose-light);
    border-radius: var(--radius-full);
    background: var(--white);
    color: var(--text-dark);
    font-size: var(--font-size-sm);
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    font-family: var(--font-family);
}

.category-button:hover {
    border-color: var(--primary-rose);
    background: var(--primary-rose-light);
}

.category-button.active {
    background: linear-gradient(135deg, var(--primary-rose), var(--secondary-lavender-dark));
    border-color: transparent;
    color: var(--white);
}

.category-button i {
    font-size: 0.8em;
}

/* Chat section */
.chat-section {
    padding: var(--spacing-base) 0 var(--spacing-2xl);
}

/* Chat panel */
.chat-panel {
    display: flex;
    flex-direction: column;
    height: calc(100vh - 260px);
    min-height: 420px;
    background: var(--white);
    border: 1px solid #f0e0e0;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 2px 12px rgba(0,0,0,0.05);
}

/* Loading state */
.chat-loading {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    color: var(--gray);
    font-size: var(--font-size-sm);
}

.chat-loading i {
    font-size: 1.25rem;
    color: var(--primary-rose);
}

/* Message list */
.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-base) var(--spacing-lg);
    display: flex;
    flex-direction: column;
    gap: 2px;
    scroll-behavior: smooth;
}

.chat-messages::-webkit-scrollbar {
    width: 5px;
}

.chat-messages::-webkit-scrollbar-track {
    background: transparent;
}

.chat-messages::-webkit-scrollbar-thumb {
    background: var(--primary-rose-light);
    border-radius: 3px;
}

/* Load more button */
.load-more-btn {
    align-self: center;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    background: none;
    border: 1px solid var(--primary-rose-light);
    border-radius: var(--radius-full);
    color: var(--primary-rose-darker);
    font-size: var(--font-size-sm);
    font-weight: 500;
    padding: var(--spacing-xs) var(--spacing-base);
    cursor: pointer;
    margin: var(--spacing-sm) auto;
    transition: all 0.2s;
    font-family: var(--font-family);
}

.load-more-btn:hover {
    background: var(--primary-rose-light);
}

/* Date separator */
.date-separator {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin: var(--spacing-sm) 0 var(--spacing-xs);
    color: var(--gray);
    font-size: var(--font-size-xs);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.date-separator::before,
.date-separator::after {
    content: '';
    flex: 1;
    height: 1px;
    background: #f0e8e8;
}

/* Message rows */
.chat-message-row {
    display: flex;
    margin-bottom: var(--spacing-xs);
}

.chat-message-row.own {
    justify-content: flex-end;
}

.chat-message-row.other {
    justify-content: flex-start;
}

.chat-message-inner {
    max-width: 72%;
    display: flex;
    flex-direction: column;
}

.chat-message-row.own .chat-message-inner {
    align-items: flex-end;
}

/* Sender name */
.message-sender {
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: var(--font-size-xs);
    font-weight: 600;
    color: var(--primary-rose-darker);
    margin-bottom: 3px;
    padding-left: 4px;
}

/* Professional badge (in sender name) */
.professional-badge {
    color: #d4a017;
    font-size: 0.75em;
    line-height: 1;
}

/* Message bubble */
.message-bubble {
    display: flex;
    align-items: flex-end;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-base);
    border-radius: 18px;
    line-height: 1.5;
    word-break: break-word;
}

.chat-message-row.other .message-bubble {
    background: var(--white);
    border: 1px solid #f0e0e0;
    border-bottom-left-radius: 4px;
    color: var(--text-dark);
}

.chat-message-row.own .message-bubble {
    background: linear-gradient(135deg, var(--primary-rose), var(--primary-rose-dark));
    border-bottom-right-radius: 4px;
    color: var(--white);
}

.message-content {
    font-size: var(--font-size-sm);
    flex: 1;
}

.message-time {
    font-size: var(--font-size-2xs);
    white-space: nowrap;
    flex-shrink: 0;
    opacity: 0.7;
    margin-top: 2px;
    align-self: flex-end;
}

/* @mention highlight inside bubbles */
strong.mention {
    font-weight: 600;
    color: var(--secondary-lavender-darker);
}

.chat-message-row.own strong.mention {
    color: rgba(255,255,255,0.9);
    text-decoration: underline;
    text-underline-offset: 2px;
}

/* Mention dropdown */
.mention-dropdown {
    background: var(--white);
    border: 1px solid #f0e0e0;
    border-bottom: none;
    max-height: 200px;
    overflow-y: auto;
    border-radius: var(--radius-base) var(--radius-base) 0 0;
}

.mention-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-sm) var(--spacing-base);
    cursor: pointer;
    transition: background 0.15s;
    border-bottom: 1px solid #faf0f0;
}

.mention-item:last-child {
    border-bottom: none;
}

.mention-item:hover {
    background: var(--primary-rose-light);
}

.mention-name {
    font-size: var(--font-size-sm);
    color: var(--text-dark);
}

.mention-badge {
    color: #d4a017;
    font-size: 0.75rem;
}

/* Input area */
.chat-input-area {
    display: flex;
    align-items: flex-end;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-base);
    border-top: 1px solid #f0e8e8;
    background: var(--white);
}

.chat-input {
    flex: 1;
    resize: none;
    border: 1px solid #f0e0e0;
    border-radius: 20px;
    padding: 10px var(--spacing-base);
    font-size: var(--font-size-sm);
    font-family: var(--font-family);
    color: var(--text-dark);
    line-height: 1.5;
    max-height: 120px;
    overflow-y: auto;
    transition: border-color 0.2s;
    outline: none;
}

.chat-input:focus {
    border-color: var(--primary-rose);
}

.chat-input::placeholder {
    color: var(--gray);
}

.chat-send-btn {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-rose), var(--primary-rose-dark));
    border: none;
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: opacity 0.2s, transform 0.1s;
    font-size: var(--font-size-sm);
}

.chat-send-btn:hover:not(:disabled) {
    transform: scale(1.05);
    opacity: 0.9;
}

.chat-send-btn:disabled {
    opacity: 0.4;
    cursor: default;
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
    .chat-panel {
        height: calc(100vh - 220px);
        border-radius: var(--radius-base);
    }

    .chat-messages {
        padding: var(--spacing-sm);
    }

    .chat-message-inner {
        max-width: 88%;
    }

    .category-button {
        padding: 6px 12px;
        font-size: var(--font-size-xs);
    }
}