/* ============================================================
   Proptalk Web - Desktop-first Layout
   ============================================================ */
:root {
    --primary: #1A73E8;
    --primary-light: #e8f0fe;
    --primary-dark: #1557b0;
    --bg: #E8ECF0;
    --bg-white: #ffffff;
    --bg-card: #f5f7fa;
    --border: #D0D4D8;
    --text: #1a1a1a;
    --text-secondary: #666;
    --text-muted: #999;
    --danger: #dc3545;
    --success: #28a745;
    --warning: #ffc107;
    --sidebar-width: 300px;
    --detail-width: 320px;
    --header-height: 56px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
body {
    font-family: -apple-system, BlinkMacSystemFont, 'Pretendard', 'Segoe UI', sans-serif;
    background: var(--bg);
    color: var(--text);
    height: 100vh;
    overflow: hidden;
}

/* ── App Layout ── */
.app-container {
    display: flex;
    height: 100vh;
}

/* ── Sidebar (Left) ── */
.sidebar {
    width: var(--sidebar-width);
    min-width: var(--sidebar-width);
    background: var(--bg-white);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    height: 100vh;
}

.sidebar-header {
    padding: 16px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--header-height);
}

.sidebar-header .logo {
    font-size: 18px;
    font-weight: 700;
    color: var(--primary);
}

.sidebar-actions { display: flex; gap: 8px; }

.sidebar-search {
    padding: 8px 16px;
    border-bottom: 1px solid var(--border);
}

.sidebar-search input {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 13px;
    outline: none;
    transition: border-color 0.2s;
}

.sidebar-search input:focus { border-color: var(--primary); }

.room-list {
    flex: 1;
    overflow-y: auto;
    padding: 4px 0;
}

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

.room-item:hover { background: #f5f7fa; }
.room-item.active { background: var(--primary-light); border-left-color: var(--primary); }

.room-avatar {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: var(--primary-light);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    color: var(--primary);
    flex-shrink: 0;
}

.room-info { flex: 1; min-width: 0; }
.room-name { font-size: 14px; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.room-last-msg { font-size: 12px; color: var(--text-muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; margin-top: 2px; }
.room-meta { display: flex; flex-direction: column; align-items: flex-end; gap: 4px; flex-shrink: 0; }
.room-time { font-size: 11px; color: var(--text-muted); }
.room-unread {
    background: var(--primary);
    color: #fff;
    font-size: 11px;
    padding: 1px 6px;
    border-radius: 10px;
    min-width: 18px;
    text-align: center;
}

.sidebar-footer {
    padding: 12px 16px;
    border-top: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 10px;
}

.sidebar-footer .user-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    object-fit: cover;
}

.sidebar-footer .user-name { font-size: 13px; font-weight: 500; flex: 1; }

/* ── Chat Area (Center) ── */
.chat-area {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 0;
    background: var(--bg);
}

.chat-header {
    padding: 12px 20px;
    background: var(--bg-white);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--header-height);
}

.chat-header-left { display: flex; align-items: center; gap: 12px; }
.chat-header .chat-title { font-size: 16px; font-weight: 600; }
.chat-header .member-count { font-size: 12px; color: var(--text-muted); }
.chat-header-right { display: flex; gap: 8px; }

/* Messages */
.messages-container {
    flex: 1;
    overflow-y: auto;
    padding: 16px 20px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.message-group { margin-bottom: 12px; }

.message-row {
    display: flex;
    gap: 8px;
    align-items: flex-start;
    margin-bottom: 2px;
}

.message-row.own { flex-direction: row-reverse; }

.msg-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    object-fit: cover;
    flex-shrink: 0;
}

.msg-content { max-width: 75%; }
.msg-sender { font-size: 12px; font-weight: 600; color: var(--text-secondary); margin-bottom: 2px; }
.message-row.own .msg-sender { display: none; }

.msg-bubble {
    padding: 10px 14px;
    border-radius: 12px;
    font-size: 14px;
    line-height: 1.5;
    word-wrap: break-word;
    white-space: pre-wrap;
}

.message-row:not(.own) .msg-bubble { background: var(--bg-white); border: 1px solid var(--border); }
.message-row.own .msg-bubble { background: var(--primary); color: #fff; }

.msg-file-card {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 14px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    cursor: pointer;
    max-width: 320px;
}
.msg-file-card:hover { background: var(--bg-white); }
.message-row.own .msg-file-card { margin-left: auto; }

.msg-time { font-size: 11px; color: var(--text-muted); margin-top: 2px; display: flex; gap: 4px; }
.message-row.own .msg-time { justify-content: flex-end; }
.msg-unread { color: var(--primary); font-weight: bold; font-size: 11px; }

/* Audio message */
.msg-audio {
    background: var(--bg-white);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 12px;
    min-width: 260px;
}

.msg-audio .audio-info { display: flex; align-items: center; gap: 8px; margin-bottom: 8px; }
.msg-audio .audio-filename { font-size: 13px; font-weight: 500; word-break: break-all; }
.msg-audio .audio-duration { font-size: 12px; color: var(--text-muted); }
.msg-audio audio { width: 100%; height: 36px; }
.msg-audio .transcript-preview {
    margin-top: 8px;
    padding-top: 8px;
    border-top: 1px solid var(--border);
    font-size: 13px;
    color: var(--text-secondary);
}

/* Audio status indicator */
.audio-status-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 500;
}

.audio-status-badge.uploading { background: #fff3cd; color: #856404; }
.audio-status-badge.transcribing { background: #cce5ff; color: #004085; }
.audio-status-badge.summarizing { background: #d4edda; color: #155724; }
.audio-status-badge.completed { background: #d4edda; color: #155724; }
.audio-status-badge.failed { background: #f8d7da; color: #721c24; }

.audio-status-badge .spinner {
    width: 12px;
    height: 12px;
    border: 2px solid currentColor;
    border-top-color: transparent;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* System message */
.system-message {
    text-align: center;
    padding: 8px;
    font-size: 12px;
    color: var(--text-muted);
}

/* File info card (파일정보 system message) */
.file-info-card {
    margin: 0 0 8px;
    padding: 8px 16px;
    background: var(--primary-light);
    border-radius: 10px;
    border-left: 3px solid var(--primary);
    width: 100%;
}
.file-info-line {
    font-size: 13px;
    color: var(--text);
    padding: 2px 0;
    line-height: 1.5;
}

/* Date separator */
.date-separator {
    text-align: center;
    padding: 12px 0;
    font-size: 12px;
    color: var(--text-muted);
    position: relative;
}

.date-separator span {
    background: var(--bg);
    padding: 0 12px;
    position: relative;
    z-index: 1;
}

.date-separator::before {
    content: '';
    position: absolute;
    left: 20%;
    right: 20%;
    top: 50%;
    height: 1px;
    background: var(--border);
}

/* Typing indicator */
.typing-indicator {
    padding: 4px 20px;
    font-size: 12px;
    color: var(--text-muted);
    min-height: 24px;
}

/* ── Chat Input ── */
/* Clipboard paste preview */
.paste-preview {
    padding: 8px 20px;
    background: var(--bg-white);
    border-top: 1px solid var(--border);
}
.paste-preview-inner {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px;
    background: var(--bg-card);
    border-radius: 8px;
}
.paste-preview img {
    max-width: 120px;
    max-height: 80px;
    border-radius: 6px;
    object-fit: cover;
    border: 1px solid var(--border);
}
.paste-preview-actions {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.paste-preview-actions div { display: flex; gap: 6px; }
.btn-cancel {
    padding: 5px 12px;
    border: 1px solid var(--border);
    border-radius: 6px;
    background: var(--bg-white);
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 12px;
}
.btn-paste-send {
    padding: 5px 12px;
    border: none;
    border-radius: 6px;
    background: var(--primary);
    color: #fff;
    cursor: pointer;
    font-size: 12px;
    font-weight: 500;
}
.btn-cancel:hover { background: var(--bg-card); }
.btn-paste-send:hover { opacity: 0.9; }

.chat-input-area {
    padding: 12px 20px;
    background: var(--bg-white);
    border-top: 1px solid var(--border);
}

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

.chat-input-wrapper {
    flex: 1;
    position: relative;
}

.chat-input {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--border);
    border-radius: 12px;
    font-size: 14px;
    font-family: inherit;
    resize: none;
    outline: none;
    max-height: 120px;
    min-height: 42px;
    line-height: 1.4;
    transition: border-color 0.2s;
}

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

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

/* ── Drop Zone ── */
.drop-overlay {
    position: fixed;
    inset: 0;
    background: rgba(26, 115, 232, 0.15);
    border: 3px dashed var(--primary);
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: center;
    pointer-events: none;
}

.drop-overlay-inner {
    background: var(--bg-white);
    padding: 32px 48px;
    border-radius: 16px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.15);
    text-align: center;
}

.drop-overlay-inner .drop-icon { font-size: 48px; margin-bottom: 12px; }
.drop-overlay-inner .drop-text { font-size: 18px; font-weight: 600; color: var(--primary); }
.drop-overlay-inner .drop-sub { font-size: 13px; color: var(--text-muted); margin-top: 4px; }

/* ── Recording UI ── */
.recording-bar {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 20px;
    background: #fff5f5;
    border-top: 1px solid #ffcdd2;
}

.recording-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--danger);
    animation: pulse 1s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
}

.recording-timer { font-size: 16px; font-weight: 600; font-variant-numeric: tabular-nums; flex: 1; }

/* ── Upload Progress ── */
.upload-progress-bar {
    padding: 8px 20px;
    background: var(--bg-white);
    border-top: 1px solid var(--border);
}

.upload-progress-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 0;
    font-size: 13px;
}

.upload-progress-item .progress-track {
    flex: 1;
    height: 4px;
    background: var(--border);
    border-radius: 2px;
    overflow: hidden;
}

.upload-progress-item .progress-fill {
    height: 100%;
    background: var(--primary);
    border-radius: 2px;
    transition: width 0.3s;
}

/* ── Detail Panel (Right) ── */
.detail-panel {
    width: var(--detail-width);
    min-width: var(--detail-width);
    background: var(--bg-white);
    border-left: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    height: 100vh;
    overflow-y: auto;
}

.detail-header {
    padding: 16px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--header-height);
}

.detail-header h3 { font-size: 14px; font-weight: 600; }

.detail-section { padding: 16px; border-bottom: 1px solid var(--border); }
.detail-section h4 { font-size: 13px; font-weight: 600; color: var(--text-secondary); margin-bottom: 12px; }

.member-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 0;
}

.member-item img { width: 28px; height: 28px; border-radius: 50%; object-fit: cover; }
.member-item .member-name { font-size: 13px; flex: 1; }
.member-item .member-role { font-size: 11px; color: var(--primary); background: var(--primary-light); padding: 2px 8px; border-radius: 8px; }

/* ── Empty State ── */
.empty-state {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    gap: 12px;
}

.empty-state .empty-icon { font-size: 48px; opacity: 0.5; }
.empty-state .empty-text { font-size: 16px; }
.empty-state .empty-sub { font-size: 13px; }

/* ── Buttons ── */
.btn {
    padding: 8px 16px;
    border: none;
    border-radius: 8px;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.15s;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); }
.btn-ghost { background: transparent; color: var(--text-secondary); }
.btn-ghost:hover { background: #f5f7fa; }
.btn-danger { background: transparent; color: var(--danger); }
.btn-danger:hover { background: #fff5f5; }

.btn-icon {
    width: 36px;
    height: 36px;
    padding: 0;
    border: none;
    border-radius: 8px;
    background: transparent;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    color: var(--text-secondary);
    transition: all 0.15s;
}

.btn-icon:hover { background: #f5f7fa; color: var(--text); }
.btn-icon.active { background: var(--primary-light); color: var(--primary); }

.btn-send {
    width: 42px;
    height: 42px;
    padding: 0;
    border: none;
    border-radius: 50%;
    background: var(--primary);
    color: #fff;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    transition: background 0.15s;
    flex-shrink: 0;
}

.btn-send:hover { background: var(--primary-dark); }
.btn-send:disabled { background: var(--border); cursor: default; }

/* ── Modal ── */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.4);
    z-index: 200;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal {
    background: var(--bg-white);
    border-radius: 16px;
    padding: 24px;
    width: 100%;
    max-width: 420px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.2);
}

.modal h3 { font-size: 18px; font-weight: 600; margin-bottom: 16px; }

.modal input[type="text"] {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 14px;
    outline: none;
    margin-bottom: 16px;
}

.modal input[type="text"]:focus { border-color: var(--primary); }

.modal-actions { display: flex; justify-content: flex-end; gap: 8px; }

/* ── Toast ── */
.toast-container {
    position: fixed;
    top: 16px;
    right: 16px;
    z-index: 300;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.toast {
    padding: 12px 20px;
    background: #333;
    color: #fff;
    border-radius: 8px;
    font-size: 13px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    animation: slideIn 0.3s ease;
    max-width: 360px;
}

.toast.error { background: var(--danger); }
.toast.success { background: var(--success); }

@keyframes slideIn {
    from { transform: translateX(100%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

/* ── Shortcuts Help ── */
.shortcuts-help {
    position: fixed;
    bottom: 8px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 16px;
    font-size: 11px;
    color: var(--text-muted);
    opacity: 0.6;
}

.shortcuts-help kbd {
    background: #e9ecef;
    padding: 1px 6px;
    border-radius: 4px;
    font-family: inherit;
    font-size: 11px;
    border: 1px solid #d0d0d0;
}

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: #d0d0d0; border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: #b0b0b0; }

/* ── Search bar [fix #3] ── */
.search-bar {
    padding: 8px 20px;
    background: var(--bg-white);
    border-bottom: 1px solid var(--border);
}
.search-bar-inner {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 4px 12px;
}
.search-bar-inner input {
    flex: 1;
    border: none;
    background: transparent;
    font-size: 13px;
    outline: none;
    padding: 6px 0;
}
.search-count {
    font-size: 12px;
    color: var(--text-muted);
    white-space: nowrap;
}
.btn-icon-sm {
    width: 28px;
    height: 28px;
    padding: 0;
    border: none;
    border-radius: 6px;
    background: transparent;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    transition: background 0.15s;
    flex-shrink: 0;
}
.btn-icon-sm:hover { background: #e0e0e0; }

/* Search highlight [fix #3] */
.search-highlight {
    animation: highlightFade 2s ease;
}
@keyframes highlightFade {
    0%, 30% { background: #FFF9C4; }
    100% { background: transparent; }
}

/* ── Audio actions [fix #6] ── */
.audio-actions {
    display: flex;
    gap: 8px;
    margin-top: 6px;
}
.btn-sm {
    padding: 4px 10px;
    border: none;
    border-radius: 6px;
    font-size: 12px;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    transition: background 0.15s;
}
.btn-sm.btn-ghost { background: transparent; color: var(--text-secondary); }
.btn-sm.btn-ghost:hover { background: #f0f0f0; }

/* ── Transcript expand/collapse [fix #7] ── */
.transcript-collapsed {
    max-height: 80px;
    overflow: hidden;
    position: relative;
}
.transcript-collapsed::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 30px;
    background: linear-gradient(transparent, var(--bg-white));
}
.btn-expand {
    display: block;
    border: none;
    background: transparent;
    color: var(--primary);
    font-size: 12px;
    font-weight: 500;
    cursor: pointer;
    padding: 4px 0;
    margin-top: 2px;
}
.btn-expand:hover { text-decoration: underline; }

.transcript-actions {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 2px;
}

.btn-pdf-download {
    display: inline-flex;
    align-items: center;
    gap: 3px;
    border: 1px solid var(--border-color, #ddd);
    background: transparent;
    color: var(--primary);
    font-size: 11px;
    font-weight: 500;
    cursor: pointer;
    padding: 2px 8px;
    border-radius: 4px;
    white-space: nowrap;
}
.btn-pdf-download:hover {
    background: var(--primary);
    color: #fff;
}
.btn-pdf-download svg { flex-shrink: 0; }

.summary-item .summary-meta {
    display: flex;
    align-items: center;
}

/* ── Audio player row [fix #6] ── */
.audio-player-row {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 4px;
}
.audio-play-btn {
    flex-shrink: 0;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #e8f0fe;
    border: none;
    cursor: pointer;
    transition: background 0.15s;
}
.audio-play-btn:hover { background: #d2e3fc; }

/* ── Settings panel [fix #5] ── */
.settings-profile {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px 0;
}
.settings-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    object-fit: cover;
    flex-shrink: 0;
}
.settings-row {
    width: 100%;
    justify-content: flex-start;
    gap: 10px;
    padding: 10px 8px;
    border-radius: 8px;
    font-size: 13px;
    color: var(--text);
    text-decoration: none;
}
.settings-shortcuts {
    font-size: 13px;
    color: var(--text-secondary);
    display: flex;
    flex-direction: column;
    gap: 6px;
}
.settings-shortcuts kbd {
    background: #e9ecef;
    padding: 1px 6px;
    border-radius: 4px;
    font-family: inherit;
    font-size: 12px;
    border: 1px solid #d0d0d0;
}

/* ── Summary list ── */
.summary-list { padding: 0; }
.summary-item {
    padding: 12px 16px;
    border-bottom: 1px solid var(--border);
    transition: background 0.15s;
}
.summary-item:hover { background: #f5f7fa; }
.summary-item .summary-filename { font-size: 13px; font-weight: 500; margin-bottom: 4px; display: flex; align-items: center; gap: 6px; }
.summary-item .summary-text { font-size: 12px; color: var(--text-secondary); line-height: 1.4; }
.summary-collapsed { max-height: 60px; overflow: hidden; position: relative; }
.summary-item .summary-meta { font-size: 11px; color: var(--text-muted); margin-top: 4px; display: flex; align-items: center; }

/* ── Toggle Switch ── */
.toggle-track {
    width: 44px;
    height: 24px;
    background: #d0d0d0;
    border-radius: 12px;
    position: relative;
    transition: background 0.25s;
}
.toggle-switch.active .toggle-track { background: #818cf8; }
.toggle-thumb {
    width: 20px;
    height: 20px;
    background: #fff;
    border-radius: 50%;
    position: absolute;
    top: 2px;
    left: 2px;
    transition: transform 0.25s;
    box-shadow: 0 1px 3px rgba(0,0,0,0.2);
}
.toggle-switch.active .toggle-thumb { transform: translateX(20px); }

/* ============================================================
   Dark Mode
   ============================================================ */
body.dark {
    --primary: #4da6ff;
    --primary-light: #1a3a5c;
    --primary-dark: #7fc1ff;
    --bg: #0D0D14;
    --bg-white: #1C1C28;
    --bg-card: #252535;
    --border: #3A3A4A;
    --text: #e0e0e0;
    --text-secondary: #b0b0b0;
    --text-muted: #808080;
    --danger: #ff6b6b;
    --success: #51cf66;
    --warning: #ffd43b;
}

body.dark .msg-bubble { border-color: var(--border); }
body.dark .message-row:not(.own) .msg-bubble { background: #2A2A3A; }
body.dark .message-row.own .msg-bubble { background: #1A5FAA; color: #fff; }
body.dark input, body.dark textarea { background: var(--bg); color: var(--text); border-color: var(--border); }
body.dark .modal { background: var(--bg-white); color: var(--text); }
body.dark .room-item:hover { background: #252535; }
body.dark .room-item.active { background: var(--primary-light); }
body.dark .btn-icon:hover { background: #252535; color: var(--text); }
body.dark .btn-icon.active { background: var(--primary-light); color: var(--primary); }
body.dark .btn-ghost:hover { background: #252535; }
body.dark .btn-sm.btn-ghost:hover { background: #252535; }
body.dark .msg-audio { background: var(--bg-white); border-color: var(--border); }
body.dark .audio-play-btn { background: var(--primary-light); }
body.dark .audio-play-btn:hover { background: #1E4570; }
body.dark .summary-item:hover { background: #252535; }
body.dark .date-separator span { background: var(--bg); }
body.dark .search-bar-inner { background: var(--bg); border-color: var(--border); }
body.dark .search-bar-inner input { color: var(--text); }
body.dark .btn-icon-sm:hover { background: #3A3A4A; }
body.dark .settings-shortcuts kbd { background: #2A2A3A; border-color: #3A3A4A; color: var(--text); }
body.dark .shortcuts-help kbd { background: #2A2A3A; border-color: #3A3A4A; color: var(--text-muted); }
body.dark .drop-overlay { background: rgba(77, 166, 255, 0.15); border-color: var(--primary); }
body.dark .drop-overlay-inner { background: var(--bg-white); }
body.dark .recording-bar { background: #1F1215; border-color: #4a2a2a; }
body.dark .upload-progress-item .progress-track { background: var(--border); }
body.dark .transcript-collapsed::after { background: linear-gradient(transparent, var(--bg-white)); }
body.dark .toast { background: #2A2A3A; }
body.dark code { background: #2A2A3A !important; color: #e0e0e0 !important; }
body.dark ::-webkit-scrollbar-thumb { background: #3A3A4A; }
body.dark ::-webkit-scrollbar-thumb:hover { background: #4A4A5A; }

/* Dark mode: search highlight */
body.dark .search-highlight { animation: highlightFadeDark 2s ease; }
@keyframes highlightFadeDark {
    0%, 30% { background: #3A3520; }
    100% { background: transparent; }
}

/* Dark mode: file info card */
body.dark .file-info-card { background: var(--primary-light); }
body.dark .btn-cancel { background: var(--bg-card); border-color: var(--border); color: var(--text-secondary); }
body.dark .btn-cancel:hover { background: var(--bg-white); }

/* ============================================================
   Message context menu + Reactions + Delete
   ============================================================ */

/* Hover actions button */
.message-row { position: relative; }
.msg-hover-actions {
    position: absolute;
    top: 0; right: 8px;
    opacity: 0;
    transition: opacity 0.15s;
    z-index: 5;
}
.message-row:hover .msg-hover-actions { opacity: 1; }
.message-row.own .msg-hover-actions { right: auto; left: 8px; }
.btn-msg-menu {
    background: var(--bg-white);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 4px 6px;
    cursor: pointer;
    color: var(--text-secondary);
    line-height: 1;
}
.btn-msg-menu:hover { background: var(--bg-card); }

/* Context menu */
.msg-context-menu {
    position: fixed;
    z-index: 1000;
    background: var(--bg-white);
    border: 1px solid var(--border);
    border-radius: 12px;
    box-shadow: 0 8px 24px rgba(0,0,0,0.15);
    min-width: 180px;
    padding: 4px 0;
    overflow: hidden;
}
.msg-menu-reactions {
    display: flex;
    gap: 4px;
    padding: 8px 12px;
    justify-content: center;
}
.msg-menu-emoji {
    font-size: 22px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px 6px;
    border-radius: 8px;
    transition: background 0.15s;
}
.msg-menu-emoji:hover { background: var(--bg-card); }
.msg-menu-divider { height: 1px; background: var(--border); margin: 0; }
.msg-menu-item {
    display: flex;
    align-items: center;
    gap: 8px;
    width: 100%;
    padding: 10px 16px;
    border: none;
    background: none;
    cursor: pointer;
    font-size: 14px;
    color: var(--text-primary);
    text-align: left;
}
.msg-menu-item:hover { background: var(--bg-card); }
.msg-menu-delete { color: #DC3545; }
.msg-menu-delete:hover { background: #FFF0F0; }

/* Reaction badges */
.msg-reactions {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    margin-top: 4px;
}
.message-row.own .msg-reactions { justify-content: flex-end; }
.reaction-badge {
    display: inline-flex;
    align-items: center;
    gap: 2px;
    padding: 2px 8px;
    border-radius: 10px;
    border: 1px solid var(--border);
    background: var(--bg-card);
    cursor: pointer;
    font-size: 14px;
    transition: all 0.15s;
}
.reaction-badge:hover { background: var(--bg-white); border-color: var(--primary); }
.reaction-badge.mine { background: var(--primary-light); border-color: var(--primary); }
.reaction-count { font-size: 11px; color: var(--text-secondary); }

/* Delete confirm modal */
.modal-overlay {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0,0,0,0.4);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
}
.modal-dialog {
    background: var(--bg-white);
    border-radius: 16px;
    padding: 24px;
    min-width: 320px;
    max-width: 400px;
    box-shadow: 0 16px 48px rgba(0,0,0,0.2);
}
.modal-title { font-size: 18px; font-weight: 700; margin-bottom: 12px; }
.modal-body { font-size: 14px; color: var(--text-secondary); white-space: pre-line; margin-bottom: 20px; }
.modal-actions { display: flex; gap: 8px; justify-content: flex-end; }
.btn-modal {
    padding: 8px 20px;
    border-radius: 8px;
    border: none;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
}
.btn-cancel { background: var(--bg-card); color: var(--text-primary); border: 1px solid var(--border); }
.btn-cancel:hover { background: var(--border); }
.btn-danger { background: #DC3545; color: #fff; }
.btn-danger:hover { background: #C82333; }

/* Reply preview bar */
.reply-preview-bar {
    display: flex; align-items: center; justify-content: space-between;
    padding: 5px 10px; background: var(--bg-card); border-left: 3px solid var(--primary);
    border-radius: 4px; margin: 0 0 4px; gap: 6px;
}
.reply-preview-content {
    display: flex; align-items: center; gap: 6px; min-width: 0; flex: 1;
    font-size: 13px; color: var(--text-secondary);
}
.reply-preview-name { font-weight: 600; color: var(--primary); white-space: nowrap; }
.reply-preview-text { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.reply-preview-close {
    background: none; border: none; cursor: pointer; padding: 2px;
    color: var(--text-muted); flex-shrink: 0;
}
.reply-preview-close:hover { color: var(--text-primary); }

/* Reply quote inside message bubble */
.reply-quote {
    padding: 2px 6px; margin-bottom: 2px; background: rgba(0,0,0,0.05);
    border-left: 2px solid var(--primary); border-radius: 2px; cursor: pointer;
    font-size: 11px; line-height: 1.3; white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.reply-quote:hover { background: rgba(0,0,0,0.1); }
.reply-quote-name { font-weight: 600; color: var(--primary); margin-right: 4px; }
.reply-quote-text { color: var(--text); }

/* Own message (blue bg) reply quote */
.message-row.own .reply-quote { background: rgba(255,255,255,0.18); border-left-color: rgba(255,255,255,0.7); }
.message-row.own .reply-quote:hover { background: rgba(255,255,255,0.28); }
.message-row.own .reply-quote-name { color: #fff; }
.message-row.own .reply-quote-text { color: rgba(255,255,255,0.9); }

body.dark .reply-preview-bar { background: #2A2A3A; }
body.dark .reply-quote { background: rgba(255,255,255,0.08); }
body.dark .reply-quote:hover { background: rgba(255,255,255,0.14); }

/* Dark mode overrides */
body.dark .msg-context-menu { background: #1E1E2E; border-color: #3A3A4A; }
body.dark .msg-menu-item:hover { background: #2A2A3A; }
body.dark .msg-menu-delete:hover { background: #3A2020; }
body.dark .msg-menu-emoji:hover { background: #2A2A3A; }
body.dark .reaction-badge { background: #2A2A3A; border-color: #3A3A4A; }
body.dark .reaction-badge.mine { background: #1A3A5A; border-color: var(--primary); }
body.dark .modal-dialog { background: #1E1E2E; }
body.dark .btn-msg-menu { background: #2A2A3A; border-color: #3A3A4A; }