/* ===== Chat Analyzer Styles ===== */

.chat-main {
    display: grid;
    grid-template-columns: 320px 1fr;
    gap: 20px;
    padding: 20px;
    max-width: 1400px;
    margin: 0 auto;
    min-height: calc(100vh - 68px);
}

/* ===== Sidebar ===== */
.chat-sidebar {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.sidebar-section {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    padding: 16px;
}

.sidebar-section h3 {
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 10px;
}

.hint {
    font-size: 0.78rem;
    color: var(--text-muted);
    margin-bottom: 12px;
    line-height: 1.4;
}

/* Upload Area */
.upload-area {
    border: 2px dashed var(--border-color);
    border-radius: var(--radius-md);
    padding: 24px;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    color: var(--text-muted);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.upload-area span {
    font-size: 0.82rem;
}

.upload-area:hover,
.upload-area.dragover {
    border-color: var(--wa-green);
    background: rgba(37, 211, 102, 0.05);
    color: var(--wa-dark-green);
}

.upload-area.uploading {
    opacity: 0.5;
    pointer-events: none;
}

/* Chat List */
.chats-list {
    max-height: 300px;
    overflow-y: auto;
}

.chat-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 12px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    margin-bottom: 6px;
    transition: var(--transition);
    cursor: default;
}

.chat-item:hover {
    border-color: var(--wa-green);
}

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

.chat-item-name {
    font-size: 0.85rem;
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.chat-item-meta {
    font-size: 0.72rem;
    color: var(--text-muted);
    margin-top: 2px;
}

.chat-item-delete {
    width: 28px;
    height: 28px;
    border: none;
    background: none;
    color: var(--text-muted);
    cursor: pointer;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    flex-shrink: 0;
}

.chat-item-delete:hover {
    background: rgba(255, 107, 107, 0.1);
    color: #FF6B6B;
}

/* Stats */
.stats-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

.stat-item {
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    padding: 12px;
    text-align: center;
}

.stat-value {
    display: block;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--wa-dark-green);
}

.stat-label {
    display: block;
    font-size: 0.72rem;
    color: var(--text-muted);
    margin-top: 2px;
}

/* ===== Content Area ===== */
.chat-content {
    display: flex;
    flex-direction: column;
    gap: 16px;
    min-height: 0;
}

/* Search Panel */
.search-panel {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    padding: 16px;
}

.search-row {
    margin-bottom: 12px;
}

.search-input-wrapper {
    display: flex;
    align-items: center;
    gap: 10px;
    background: var(--bg-tertiary);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 6px 6px 6px 16px;
    transition: var(--transition);
}

.search-input-wrapper:focus-within {
    border-color: var(--wa-green);
    box-shadow: 0 0 0 3px rgba(37, 211, 102, 0.15);
}

.search-input-wrapper svg {
    color: var(--text-muted);
    flex-shrink: 0;
}

.search-input-wrapper input {
    flex: 1;
    border: none;
    background: none;
    font-size: 0.95rem;
    color: var(--text-primary);
    font-family: inherit;
    outline: none;
    padding: 8px 0;
}

.search-input-wrapper .btn {
    padding: 10px 20px;
    border-radius: 8px;
}

.search-filters {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    align-items: center;
}

.filter-group {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.82rem;
}

.filter-group label {
    color: var(--text-secondary);
    font-weight: 500;
    white-space: nowrap;
}

.filter-group select {
    padding: 6px 10px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background: var(--bg-tertiary);
    color: var(--text-primary);
    font-size: 0.82rem;
    font-family: inherit;
    outline: none;
    max-width: 160px;
}

.checkbox-label {
    display: flex !important;
    align-items: center;
    gap: 6px;
    cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
    accent-color: var(--wa-green);
    width: 16px;
    height: 16px;
}

/* Results */
.results-panel {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    min-height: 0;
}

.results-header {
    padding: 12px 16px;
    border-bottom: 1px solid var(--border-color);
    font-size: 0.85rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.results-list {
    flex: 1;
    overflow-y: auto;
    padding: 8px;
}

.empty-state {
    text-align: center;
    padding: 20px;
    color: var(--text-muted);
}

.empty-state span {
    font-size: 2.5rem;
    display: block;
    margin-bottom: 8px;
}

.empty-state.large {
    padding: 60px 20px;
}

.empty-state.large span {
    font-size: 4rem;
}

.empty-state.large h3 {
    font-size: 1.1rem;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.empty-state.large p {
    font-size: 0.88rem;
    max-width: 400px;
    margin: 0 auto;
    line-height: 1.5;
}

.example-queries {
    margin-top: 20px;
}

.example-queries p {
    font-size: 0.82rem;
    margin-bottom: 10px;
    font-weight: 500;
    color: var(--text-secondary);
}

.example-query {
    display: inline-block;
    padding: 6px 14px;
    margin: 3px;
    border: 1px solid var(--border-color);
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border-radius: 20px;
    font-size: 0.8rem;
    cursor: pointer;
    transition: var(--transition);
    font-family: inherit;
}

.example-query:hover {
    background: var(--wa-green);
    color: #fff;
    border-color: var(--wa-green);
}

/* Message Card */
.msg-card {
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 14px;
    margin-bottom: 8px;
    transition: var(--transition);
    animation: fadeIn 0.3s ease;
    position: relative;
}

.msg-card:hover {
    border-color: var(--wa-green);
    box-shadow: var(--shadow-sm);
}

.msg-card.marked {
    opacity: 0.5;
    background: var(--bg-tertiary);
}

.msg-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 8px;
    gap: 8px;
}

.msg-sender {
    font-weight: 600;
    font-size: 0.88rem;
    color: var(--wa-dark-green);
}

.msg-meta {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.75rem;
    color: var(--text-muted);
    flex-shrink: 0;
}

.msg-chat-badge {
    font-size: 0.68rem;
    padding: 2px 8px;
    border-radius: 10px;
    background: var(--wa-teal);
    color: #fff;
    font-weight: 500;
}

.msg-text {
    font-size: 0.88rem;
    line-height: 1.6;
    color: var(--text-primary);
    white-space: pre-wrap;
    word-break: break-word;
    margin-bottom: 10px;
}

.msg-actions {
    display: flex;
    gap: 6px;
    justify-content: flex-end;
}

.msg-mark-btn {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 5px 12px;
    border: 1px solid var(--border-color);
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border-radius: 6px;
    font-size: 0.78rem;
    cursor: pointer;
    transition: var(--transition);
    font-family: inherit;
}

.msg-mark-btn:hover {
    background: var(--wa-green);
    color: #fff;
    border-color: var(--wa-green);
}

.msg-mark-btn.unmark {
    background: rgba(255, 165, 0, 0.1);
    border-color: orange;
    color: orange;
}

.msg-mark-btn.unmark:hover {
    background: orange;
    color: #fff;
}

/* Pagination */
.pagination {
    padding: 12px 16px;
    border-top: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
}

.page-btn {
    width: 34px;
    height: 34px;
    border: 1px solid var(--border-color);
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.82rem;
    font-family: inherit;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.page-btn:hover,
.page-btn.active {
    background: var(--wa-green);
    color: #fff;
    border-color: var(--wa-green);
}

/* ===== Responsive ===== */
@media (max-width: 900px) {
    .chat-main {
        grid-template-columns: 1fr;
        padding: 12px;
        gap: 12px;
    }

    .chat-sidebar {
        flex-direction: row;
        flex-wrap: wrap;
    }

    .sidebar-section {
        flex: 1;
        min-width: 250px;
    }

    .search-filters {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }
}

@media (max-width: 480px) {
    .search-input-wrapper {
        flex-wrap: wrap;
    }

    .search-input-wrapper .btn {
        width: 100%;
    }

    .search-input-wrapper input {
        width: 100%;
    }

    .chat-sidebar {
        flex-direction: column;
    }
}