/* ============================================
   BetterDesk Console — Chat 2.0 Styles
   ============================================ */

/* ── Layout ── */
.chat-page {
    display: flex;
    height: calc(100vh - var(--topnav-height, 56px));
    background: var(--bg-primary, #0d1117);
    overflow: hidden;
}

.chat-sidebar {
    width: 320px;
    min-width: 280px;
    max-width: 380px;
    display: flex;
    flex-direction: column;
    background: var(--bg-secondary, #161b22);
    border-right: 1px solid var(--border-color, #30363d);
    overflow: hidden;
}

.chat-main {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 0;
}

/* ── Sidebar Header ── */
.chat-sidebar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 16px;
    border-bottom: 1px solid var(--border-color, #30363d);
}

.chat-sidebar-header h2 {
    margin: 0;
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary, #e6edf3);
}

.chat-sidebar-actions {
    display: flex;
    gap: 4px;
}

.chat-sidebar-actions button {
    background: none;
    border: none;
    color: var(--text-secondary, #8b949e);
    cursor: pointer;
    padding: 6px;
    border-radius: 6px;
    transition: background 0.15s, color 0.15s;
}

.chat-sidebar-actions button:hover {
    background: var(--bg-hover, #21262d);
    color: var(--text-primary, #e6edf3);
}

/* ── Presence selector ── */
.chat-presence-row {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    border-bottom: 1px solid var(--border-color, #30363d);
}

.chat-presence-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    flex-shrink: 0;
}

.chat-presence-dot.presence-online { background: #3fb950; }
.chat-presence-dot.presence-away { background: #d29922; }
.chat-presence-dot.presence-busy { background: #f85149; }
.chat-presence-dot.presence-offline { background: #484f58; }

.chat-presence-row select {
    flex: 1;
    background: var(--bg-tertiary, #0d1117);
    border: 1px solid var(--border-color, #30363d);
    color: var(--text-primary, #e6edf3);
    padding: 4px 8px;
    border-radius: 6px;
    font-size: 13px;
}

/* ── Tabs ── */
.chat-tabs {
    display: flex;
    border-bottom: 1px solid var(--border-color, #30363d);
}

.chat-tab {
    flex: 1;
    padding: 10px;
    text-align: center;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary, #8b949e);
    background: none;
    border: none;
    border-bottom: 2px solid transparent;
    cursor: pointer;
    transition: color 0.15s, border-color 0.15s;
}

.chat-tab:hover {
    color: var(--text-primary, #e6edf3);
}

.chat-tab.active {
    color: var(--accent, #4f6ef7);
    border-bottom-color: var(--accent, #4f6ef7);
}

/* ── Contact / Group list ── */
.chat-list {
    flex: 1;
    overflow-y: auto;
    padding: 4px 0;
}

.chat-list-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 16px;
    cursor: pointer;
    transition: background 0.15s;
    border-left: 3px solid transparent;
}

.chat-list-item:hover {
    background: var(--bg-hover, #21262d);
}

.chat-list-item.active {
    background: var(--bg-active, rgba(79, 110, 247, 0.1));
    border-left-color: var(--accent, #4f6ef7);
}

.chat-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    font-weight: 600;
    color: #fff;
    flex-shrink: 0;
    position: relative;
}

.chat-avatar.group-avatar {
    background: var(--bg-tertiary, #21262d);
    color: var(--text-secondary, #8b949e);
}

.chat-avatar .material-icons {
    font-size: 20px;
}

.chat-presence-indicator {
    position: absolute;
    bottom: 0;
    right: 0;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    border: 2px solid var(--bg-secondary, #161b22);
}

.chat-presence-indicator.online { background: #3fb950; }
.chat-presence-indicator.away { background: #d29922; }
.chat-presence-indicator.busy { background: #f85149; }
.chat-presence-indicator.offline { background: #484f58; }

.chat-list-item-body {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.chat-list-item-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.chat-list-name {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-primary, #e6edf3);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.chat-list-time {
    font-size: 11px;
    color: var(--text-secondary, #8b949e);
    flex-shrink: 0;
}

.chat-list-preview {
    font-size: 12px;
    color: var(--text-secondary, #8b949e);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.chat-list-members {
    font-size: 12px;
    color: var(--text-secondary, #8b949e);
}

.chat-role-badge {
    display: inline-block;
    font-size: 10px;
    padding: 1px 5px;
    border-radius: 4px;
    margin-right: 4px;
    font-weight: 600;
    text-transform: uppercase;
}

.chat-role-badge.admin { background: rgba(79, 110, 247, 0.2); color: #4f6ef7; }
.chat-role-badge.operator { background: rgba(63, 185, 80, 0.2); color: #3fb950; }

.chat-unread-badge {
    background: var(--accent, #4f6ef7);
    color: #fff;
    font-size: 11px;
    font-weight: 600;
    min-width: 20px;
    height: 20px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 6px;
    flex-shrink: 0;
}

.chat-list-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 40px 20px;
    color: var(--text-tertiary, #484f58);
    text-align: center;
}

.chat-list-empty .material-icons {
    font-size: 32px;
    opacity: 0.5;
}

.chat-list-empty p {
    margin: 0;
    font-size: 13px;
}

/* ── Empty state ── */
.chat-empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    color: var(--text-tertiary, #484f58);
    gap: 12px;
}

.chat-empty-state .material-icons {
    font-size: 64px;
    opacity: 0.3;
}

.chat-empty-state p {
    font-size: 15px;
    margin: 0;
}

/* ── Conversation header ── */
.chat-conv-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: var(--bg-secondary, #161b22);
    border-bottom: 1px solid var(--border-color, #30363d);
}

.chat-conv-back {
    display: none;
    background: none;
    border: none;
    color: var(--text-secondary, #8b949e);
    cursor: pointer;
    padding: 4px;
    border-radius: 6px;
}

.chat-conv-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: 600;
    color: #fff;
    flex-shrink: 0;
}

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

.chat-conv-info .chat-conv-name {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-primary, #e6edf3);
}

.chat-conv-status {
    font-size: 12px;
    color: var(--text-secondary, #8b949e);
}

.chat-conv-status.presence-online { color: #3fb950; }
.chat-conv-status.presence-away { color: #d29922; }
.chat-conv-status.presence-busy { color: #f85149; }

.chat-conv-actions {
    display: flex;
    gap: 4px;
}

.chat-conv-actions button {
    background: none;
    border: none;
    color: var(--text-secondary, #8b949e);
    cursor: pointer;
    padding: 6px;
    border-radius: 6px;
    transition: background 0.15s, color 0.15s;
}

.chat-conv-actions button:hover {
    background: var(--bg-hover, #21262d);
    color: var(--text-primary, #e6edf3);
}

/* ── E2E Banner ── */
.chat-e2e-banner {
    display: none;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    font-size: 12px;
    color: var(--text-secondary, #8b949e);
    background: var(--bg-tertiary, #0d1117);
    border-bottom: 1px solid var(--border-color, #30363d);
}

.chat-e2e-banner .material-icons {
    font-size: 16px;
    color: #d29922;
}

.chat-e2e-banner.established .material-icons {
    color: #3fb950;
}

/* ── Search Bar ── */
.chat-search-bar {
    display: none;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: var(--bg-secondary, #161b22);
    border-bottom: 1px solid var(--border-color, #30363d);
}

.chat-search-bar input {
    flex: 1;
    background: var(--bg-tertiary, #0d1117);
    border: 1px solid var(--border-color, #30363d);
    color: var(--text-primary, #e6edf3);
    padding: 6px 10px;
    border-radius: 6px;
    font-size: 13px;
    outline: none;
}

.chat-search-bar input:focus {
    border-color: var(--accent, #4f6ef7);
}

.chat-search-bar button {
    background: none;
    border: none;
    color: var(--text-secondary, #8b949e);
    cursor: pointer;
    padding: 4px;
}

/* ── Search Results ── */
.chat-search-results {
    display: none;
    max-height: 200px;
    overflow-y: auto;
    background: var(--bg-secondary, #161b22);
    border-bottom: 1px solid var(--border-color, #30363d);
}

.chat-search-result {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    cursor: pointer;
    transition: background 0.15s;
}

.chat-search-result:hover {
    background: var(--bg-hover, #21262d);
}

.chat-search-from {
    font-size: 12px;
    font-weight: 600;
    color: var(--accent, #4f6ef7);
    flex-shrink: 0;
}

.chat-search-text {
    font-size: 12px;
    color: var(--text-secondary, #8b949e);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    flex: 1;
}

.chat-search-time {
    font-size: 11px;
    color: var(--text-tertiary, #484f58);
    flex-shrink: 0;
}

.chat-search-no-results {
    padding: 16px;
    text-align: center;
    font-size: 13px;
    color: var(--text-tertiary, #484f58);
}

/* ── Messages area ── */
.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 16px;
    scroll-behavior: smooth;
}

.chat-messages-inner {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.chat-messages-empty {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
    color: var(--text-tertiary, #484f58);
    font-size: 14px;
}

/* ── Date separator ── */
.chat-date-separator {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 16px 0 8px;
}

.chat-date-separator span {
    font-size: 11px;
    color: var(--text-tertiary, #484f58);
    background: var(--bg-secondary, #161b22);
    padding: 4px 12px;
    border-radius: 10px;
}

/* ── Message bubbles ── */
.chat-msg {
    display: flex;
    flex-direction: column;
    max-width: 70%;
    animation: msgFadeIn 0.2s ease;
}

@keyframes msgFadeIn {
    from { opacity: 0; transform: translateY(6px); }
    to { opacity: 1; transform: translateY(0); }
}

.chat-msg.mine {
    align-self: flex-end;
}

.chat-msg.theirs {
    align-self: flex-start;
}

.chat-msg.system {
    align-self: center;
    flex-direction: row;
    align-items: center;
    gap: 6px;
    max-width: 90%;
    font-size: 12px;
    color: var(--text-tertiary, #484f58);
    padding: 4px 0;
}

.chat-msg.system .material-icons {
    font-size: 14px;
}

.chat-msg-sender {
    font-size: 11px;
    font-weight: 600;
    color: var(--accent, #4f6ef7);
    padding: 0 12px 2px;
}

.chat-msg-bubble {
    position: relative;
    padding: 8px 12px;
    border-radius: 12px;
    background: var(--bg-secondary, #161b22);
    border: 1px solid var(--border-color, #30363d);
    word-wrap: break-word;
    overflow-wrap: break-word;
}

.chat-msg.mine .chat-msg-bubble {
    background: var(--accent, #4f6ef7);
    border-color: transparent;
    color: #fff;
    border-bottom-right-radius: 4px;
}

.chat-msg.theirs .chat-msg-bubble {
    border-bottom-left-radius: 4px;
}

.chat-msg-text {
    font-size: 14px;
    line-height: 1.4;
    color: inherit;
}

.chat-msg-text a {
    color: #79c0ff;
    text-decoration: underline;
}

.chat-msg.mine .chat-msg-text a {
    color: #d2dff8;
}

.chat-msg-meta {
    display: flex;
    align-items: center;
    gap: 4px;
    justify-content: flex-end;
    margin-top: 4px;
}

.chat-msg-time {
    font-size: 10px;
    opacity: 0.6;
}

.chat-msg-read {
    font-size: 14px !important;
    opacity: 0.6;
}

.chat-msg-react-btn {
    position: absolute;
    top: -8px;
    right: -8px;
    background: var(--bg-secondary, #161b22);
    border: 1px solid var(--border-color, #30363d);
    border-radius: 50%;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    transition: opacity 0.15s;
}

.chat-msg:hover .chat-msg-react-btn {
    opacity: 1;
}

.chat-msg-react-btn .material-icons {
    font-size: 14px;
    color: var(--text-secondary, #8b949e);
}

/* ── Reactions ── */
.chat-reactions {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    padding: 4px 0 0 12px;
}

.chat-reaction {
    font-size: 12px;
    padding: 2px 6px;
    background: var(--bg-tertiary, #0d1117);
    border: 1px solid var(--border-color, #30363d);
    border-radius: 10px;
    cursor: pointer;
    transition: background 0.15s;
}

.chat-reaction:hover {
    background: var(--bg-hover, #21262d);
}

/* ── File message ── */
.chat-file-msg {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 4px 0;
}

.chat-file-msg .material-icons {
    font-size: 20px;
    opacity: 0.7;
}

.chat-file-msg a {
    color: var(--accent, #4f6ef7);
    text-decoration: none;
    font-size: 13px;
    font-weight: 500;
}

.chat-file-msg a:hover {
    text-decoration: underline;
}

.chat-file-size-label {
    font-size: 11px;
    opacity: 0.6;
}

/* ── Typing indicator ── */
.chat-typing {
    display: none;
    align-items: center;
    gap: 8px;
    padding: 4px 16px 8px;
    font-size: 12px;
    color: var(--text-secondary, #8b949e);
}

.chat-typing-dots {
    display: flex;
    gap: 3px;
}

.chat-typing-dots span {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--text-tertiary, #484f58);
    animation: typingBounce 1.4s infinite;
}

.chat-typing-dots span:nth-child(2) { animation-delay: 0.2s; }
.chat-typing-dots span:nth-child(3) { animation-delay: 0.4s; }

@keyframes typingBounce {
    0%, 80%, 100% { transform: translateY(0); }
    40% { transform: translateY(-4px); }
}

/* ── Input area ── */
.chat-input-area {
    display: flex;
    flex-direction: column;
    border-top: 1px solid var(--border-color, #30363d);
    background: var(--bg-secondary, #161b22);
}

.chat-file-preview {
    display: none;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: var(--bg-tertiary, #0d1117);
    border-bottom: 1px solid var(--border-color, #30363d);
}

.chat-file-preview .material-icons {
    font-size: 18px;
    color: var(--accent, #4f6ef7);
}

.chat-file-info {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.chat-file-info .chat-file-label {
    font-size: 13px;
    font-weight: 500;
    color: var(--text-primary, #e6edf3);
}

.chat-file-info .chat-file-size {
    font-size: 11px;
    color: var(--text-secondary, #8b949e);
}

.chat-file-preview button {
    background: none;
    border: none;
    color: var(--text-secondary, #8b949e);
    cursor: pointer;
    padding: 4px;
}

.chat-input-row {
    display: flex;
    align-items: flex-end;
    gap: 8px;
    padding: 12px 16px;
}

.chat-input-row button {
    background: none;
    border: none;
    color: var(--text-secondary, #8b949e);
    cursor: pointer;
    padding: 6px;
    border-radius: 6px;
    flex-shrink: 0;
    transition: color 0.15s;
}

.chat-input-row button:hover {
    color: var(--text-primary, #e6edf3);
}

.chat-input-row textarea {
    flex: 1;
    background: var(--bg-tertiary, #0d1117);
    border: 1px solid var(--border-color, #30363d);
    color: var(--text-primary, #e6edf3);
    padding: 8px 12px;
    border-radius: 8px;
    font-size: 14px;
    font-family: inherit;
    resize: none;
    min-height: 38px;
    max-height: 120px;
    line-height: 1.4;
    outline: none;
    transition: border-color 0.15s;
}

.chat-input-row textarea:focus {
    border-color: var(--accent, #4f6ef7);
}

.chat-input-row textarea::placeholder {
    color: var(--text-tertiary, #484f58);
}

#chat-send-btn {
    background: var(--accent, #4f6ef7) !important;
    color: #fff !important;
    border-radius: 50% !important;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.15s !important;
}

#chat-send-btn:hover {
    background: #3d5bd9 !important;
}

/* ── Emoji Picker ── */
.chat-emoji-picker {
    display: none;
    flex-wrap: wrap;
    position: fixed;
    background: var(--bg-secondary, #161b22);
    border: 1px solid var(--border-color, #30363d);
    border-radius: 10px;
    padding: 8px;
    gap: 4px;
    max-width: 240px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
    z-index: 100;
}

.emoji-btn {
    background: none;
    border: none;
    font-size: 20px;
    cursor: pointer;
    padding: 4px;
    border-radius: 6px;
    transition: background 0.15s;
    line-height: 1;
}

.emoji-btn:hover {
    background: var(--bg-hover, #21262d);
}

/* ── Group Modal ── */
.chat-group-modal {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 200;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
}

.chat-group-modal-content {
    background: var(--bg-secondary, #161b22);
    border: 1px solid var(--border-color, #30363d);
    border-radius: 12px;
    width: 400px;
    max-width: 90vw;
    padding: 24px;
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.5);
}

.chat-group-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
}

.chat-group-modal-header h3 {
    margin: 0;
    font-size: 16px;
    color: var(--text-primary, #e6edf3);
}

.chat-group-modal-header button {
    background: none;
    border: none;
    color: var(--text-secondary, #8b949e);
    cursor: pointer;
}

.chat-group-form {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.chat-group-form input {
    background: var(--bg-tertiary, #0d1117);
    border: 1px solid var(--border-color, #30363d);
    color: var(--text-primary, #e6edf3);
    padding: 8px 12px;
    border-radius: 6px;
    font-size: 14px;
    outline: none;
}

.chat-group-form input:focus {
    border-color: var(--accent, #4f6ef7);
}

.chat-member-select {
    max-height: 200px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.chat-member-option {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 8px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 13px;
    color: var(--text-primary, #e6edf3);
    transition: background 0.15s;
}

.chat-member-option:hover {
    background: var(--bg-hover, #21262d);
}

.chat-group-actions {
    display: flex;
    justify-content: flex-end;
    gap: 8px;
    margin-top: 8px;
}

.chat-group-actions button {
    padding: 8px 16px;
    border-radius: 6px;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    border: 1px solid var(--border-color, #30363d);
    background: var(--bg-tertiary, #0d1117);
    color: var(--text-primary, #e6edf3);
    transition: background 0.15s;
}

.chat-group-actions button:hover {
    background: var(--bg-hover, #21262d);
}

.chat-group-actions .btn-primary {
    background: var(--accent, #4f6ef7);
    border-color: transparent;
    color: #fff;
}

.chat-group-actions .btn-primary:hover {
    background: #3d5bd9;
}

/* ── Responsive ── */
@media (max-width: 768px) {
    .chat-page {
        flex-direction: column;
    }

    .chat-sidebar {
        width: 100%;
        max-width: none;
        height: 100%;
    }

    .chat-main {
        position: absolute;
        inset: 0;
        z-index: 10;
        display: none;
    }

    .chat-main.active-conv {
        display: flex;
    }

    .chat-conv-back {
        display: flex !important;
    }

    .chat-msg {
        max-width: 85%;
    }
}

/* ── Light theme ── */
[data-theme="light"] .chat-sidebar { background: #f6f8fa; }
[data-theme="light"] .chat-list-item:hover { background: #e1e4e8; }
[data-theme="light"] .chat-list-item.active { background: rgba(79, 110, 247, 0.08); }
[data-theme="light"] .chat-conv-header { background: #f6f8fa; }
[data-theme="light"] .chat-msg-bubble { background: #f0f2f5; border-color: #d0d7de; }
[data-theme="light"] .chat-msg.mine .chat-msg-bubble { background: var(--accent, #4f6ef7); border-color: transparent; }
[data-theme="light"] .chat-input-area { background: #f6f8fa; }
[data-theme="light"] .chat-input-row textarea { background: #fff; border-color: #d0d7de; color: #1f2328; }
[data-theme="light"] .chat-search-bar input { background: #fff; border-color: #d0d7de; color: #1f2328; }
[data-theme="light"] .chat-group-modal-content { background: #fff; border-color: #d0d7de; }
[data-theme="light"] .chat-emoji-picker { background: #fff; border-color: #d0d7de; }

/* ── Reduced motion ── */
@media (prefers-reduced-motion: reduce) {
    .chat-msg { animation: none; }
    .chat-typing-dots span { animation: none; }
}