@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root {
    --bg-primary: #0f111a;
    --bg-secondary: #1a1d2e;
    --bg-card: #1e2235;
    --bg-card-hover: #252940;
    --bg-input: #161929;
    --border: #2a2e45;
    --border-focus: #6366f1;
    --text-primary: #e2e8f0;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --accent: #6366f1;
    --accent-hover: #818cf8;
    --accent-soft: rgba(99, 102, 241, 0.12);
    --success: #10b981;
    --success-soft: rgba(16, 185, 129, 0.12);
    --warning: #f59e0b;
    --warning-soft: rgba(245, 158, 11, 0.12);
    --danger: #ef4444;
    --danger-soft: rgba(239, 68, 68, 0.12);
    --info: #06b6d4;
    --info-soft: rgba(6, 182, 212, 0.12);
    --radius: 12px;
    --radius-sm: 8px;
    --shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
    --transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
}

/* Sidebar */
.sidebar {
    position: fixed;
    left: 0;
    top: 0;
    bottom: 0;
    width: 260px;
    background: var(--bg-secondary);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    z-index: 100;
    transition: var(--transition);
}

.sidebar-header {
    padding: 20px 20px 16px;
    border-bottom: 1px solid var(--border);
}

/* User info bar */
.user-info-bar {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 16px;
    border-bottom: 1px solid var(--border);
    background: rgba(99, 102, 241, 0.04);
}

.user-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--accent-soft);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    flex-shrink: 0;
    border: 1px solid rgba(99, 102, 241, 0.25);
}

.user-details {
    flex: 1;
    min-width: 0;
}

.user-name {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-primary);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.user-role {
    font-size: 10px;
    color: var(--accent);
    font-weight: 500;
    margin-top: 1px;
}

.btn-logout {
    width: 28px;
    height: 28px;
    border-radius: 6px;
    border: 1px solid var(--border);
    background: transparent;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    flex-shrink: 0;
}

.btn-logout:hover {
    background: var(--danger-soft);
    border-color: var(--danger);
    color: var(--danger);
}

.sidebar-header h1 {
    font-size: 18px;
    font-weight: 700;
    background: linear-gradient(135deg, var(--accent), #a78bfa);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.sidebar-header p {
    font-size: 11px;
    color: var(--text-muted);
    margin-top: 4px;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.sidebar-nav {
    flex: 1;
    padding: 12px 8px;
    overflow-y: auto;
}

.nav-section {
    font-size: 10px;
    font-weight: 600;
    text-transform: uppercase;
    color: var(--text-muted);
    padding: 16px 12px 6px;
    letter-spacing: 1px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition);
    font-size: 13px;
    font-weight: 500;
    margin-bottom: 2px;
}

.nav-item:hover {
    background: var(--bg-card);
    color: var(--text-primary);
}

.nav-item.active {
    background: var(--accent-soft);
    color: var(--accent);
}

.nav-item .icon {
    font-size: 18px;
    width: 24px;
    text-align: center;
}

.nav-badge {
    margin-left: auto;
    font-size: 11px;
    font-weight: 600;
    background: var(--bg-card);
    padding: 2px 8px;
    border-radius: 10px;
    color: var(--text-muted);
}

/* Main Content */
.main {
    margin-left: 260px;
    padding: 28px 32px;
    min-height: 100vh;
}

.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 24px;
}

.page-header h2 {
    font-size: 22px;
    font-weight: 700;
}

.page-header .subtitle {
    font-size: 13px;
    color: var(--text-muted);
    margin-top: 2px;
}

/* Stats Cards */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: 28px;
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
    transition: var(--transition);
}

.stat-card:hover {
    border-color: var(--accent);
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.stat-card .stat-icon {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    margin-bottom: 12px;
}

.stat-card .stat-value {
    font-size: 28px;
    font-weight: 700;
}

.stat-card .stat-label {
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 4px;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    font-size: 13px;
    font-weight: 500;
    font-family: inherit;
    border: none;
    cursor: pointer;
    transition: var(--transition);
}

.btn-primary {
    background: var(--accent);
    color: white;
}

.btn-primary:hover {
    background: var(--accent-hover);
    transform: translateY(-1px);
}

.btn-success {
    background: var(--success);
    color: white;
}

.btn-success:hover {
    opacity: 0.9;
}

.btn-danger {
    background: var(--danger-soft);
    color: var(--danger);
}

.btn-danger:hover {
    background: var(--danger);
    color: white;
}

.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border);
}

.btn-ghost:hover {
    border-color: var(--accent);
    color: var(--accent);
}

.btn-sm {
    padding: 5px 10px;
    font-size: 12px;
}

/* Table */
.table-wrapper {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
}

.table-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border);
}

.table-header h3 {
    font-size: 15px;
    font-weight: 600;
}

table {
    width: 100%;
    border-collapse: collapse;
}

th {
    text-align: left;
    padding: 12px 16px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-muted);
    background: var(--bg-input);
    border-bottom: 1px solid var(--border);
}

td {
    padding: 12px 16px;
    font-size: 13px;
    border-bottom: 1px solid var(--border);
    max-width: 300px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

tr:hover td {
    background: var(--bg-card-hover);
}

tr:last-child td {
    border-bottom: none;
}

/* Tags */
.tag {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 600;
}

.category-tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    max-width: 240px;
    min-width: 0;
}

.category-phase-chip {
    display: inline-block;
    font-size: 10px;
    line-height: 1;
    padding: 3px 6px;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.28);
    white-space: nowrap;
}

.category-name-ellipsis {
    display: inline-block;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.cat-name-text {
    display: inline-block;
    max-width: 260px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.tag-pre {
    background: var(--info-soft);
    color: var(--info);
}

.tag-during {
    background: var(--warning-soft);
    color: var(--warning);
}

.tag-post {
    background: var(--success-soft);
    color: var(--success);
}

.tag-retail {
    background: var(--accent-soft);
    color: var(--accent);
}

.tag-wholesale {
    background: var(--warning-soft);
    color: var(--warning);
}

/* Phase filter tabs */
.phase-tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 20px;
}

.phase-tab {
    padding: 8px 18px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    background: var(--bg-card);
    color: var(--text-secondary);
    border: 1px solid var(--border);
    transition: var(--transition);
}

.phase-tab:hover {
    border-color: var(--accent);
    color: var(--text-primary);
}

.phase-tab.active {
    background: var(--accent);
    color: white;
    border-color: var(--accent);
}

/* Search bar */
.search-bar {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}

.search-input-wrapper {
    flex: 1;
    position: relative;
    display: flex;
    align-items: center;
}

.search-icon {
    position: absolute;
    left: 14px;
    font-size: 14px;
    pointer-events: none;
    opacity: 0.5;
}

.search-input {
    width: 100%;
    padding: 10px 36px 10px 40px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 13px;
    transition: var(--transition);
}

.search-input:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-soft);
}

.search-input::placeholder {
    color: var(--text-muted);
}

.search-clear {
    position: absolute;
    right: 8px;
    width: 24px;
    height: 24px;
    border-radius: 6px;
    border: none;
    background: var(--bg-card-hover);
    color: var(--text-muted);
    cursor: pointer;
    font-size: 12px;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.search-clear:hover {
    background: var(--danger-soft);
    color: var(--danger);
}

.search-result-count {
    font-size: 12px;
    color: var(--text-muted);
    white-space: nowrap;
    font-weight: 500;
}

.search-highlight {
    background: var(--warning-soft);
    color: var(--warning);
    padding: 1px 2px;
    border-radius: 3px;
    font-weight: 600;
}

/* Modal */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    z-index: 200;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

.modal-overlay.show {
    opacity: 1;
    visibility: visible;
}

.modal {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 16px;
    width: 800px;
    max-height: 85vh;
    overflow-y: auto;
    box-shadow: 0 24px 64px rgba(0, 0, 0, 0.5);
    transform: translateY(20px);
    transition: var(--transition);
}

.modal-overlay.show .modal {
    transform: translateY(0);
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    background: var(--bg-secondary);
    z-index: 1;
}

.modal-header h3 {
    font-size: 16px;
    font-weight: 600;
}

.modal-close {
    width: 32px;
    height: 32px;
    border-radius: 8px;
    border: none;
    background: var(--bg-card);
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 18px;
    transition: var(--transition);
}

.modal-close:hover {
    background: var(--danger-soft);
    color: var(--danger);
}

.modal-body {
    padding: 24px;
}

.modal-footer {
    padding: 16px 24px;
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: flex-end;
    gap: 8px;
    position: sticky;
    bottom: 0;
    background: var(--bg-secondary);
}

/* Form */
.form-group {
    margin-bottom: 16px;
}

.form-label {
    display: block;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 6px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 10px 14px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 13px;
    transition: var(--transition);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-soft);
}

.form-textarea {
    min-height: 80px;
    resize: vertical;
    line-height: 1.5;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.form-check {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    cursor: pointer;
}

.form-check input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--accent);
}

.form-checks {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

/* Toast */
.toast {
    position: fixed;
    bottom: 24px;
    right: 24px;
    padding: 12px 20px;
    border-radius: var(--radius-sm);
    font-size: 13px;
    font-weight: 500;
    z-index: 300;
    transform: translateY(80px);
    opacity: 0;
    transition: var(--transition);
}

.toast.show {
    transform: translateY(0);
    opacity: 1;
}

.toast-success {
    background: var(--success);
    color: white;
}

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

/* Sync panel */
.sync-panel {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.sync-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
}

.sync-card h4 {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 12px;
}

.sync-progress-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 14px 16px;
    margin-bottom: 14px;
}

.sync-progress-card.running {
    border-color: var(--accent);
}

.sync-progress-card.completed {
    border-color: var(--success);
}

.sync-progress-card.failed {
    border-color: var(--danger);
}

.sync-progress-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 8px;
    font-size: 12px;
}

.sync-progress-track {
    height: 8px;
    border-radius: 999px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    overflow: hidden;
}

.sync-progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--accent), var(--success));
    transition: width 0.25s ease;
}

.sync-progress-card.failed .sync-progress-fill {
    background: var(--danger);
}

.sync-progress-message {
    margin-top: 8px;
    font-size: 12px;
    color: var(--text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.file-list {
    max-height: 300px;
    overflow-y: auto;
}

.file-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 12px;
    border-radius: var(--radius-sm);
    font-size: 12px;
    margin-bottom: 4px;
    background: var(--bg-input);
}

.file-item .file-name {
    font-weight: 500;
}

.file-item .file-size {
    color: var(--text-muted);
}

/* Clickable file items */
.file-item-clickable {
    cursor: pointer;
    transition: var(--transition);
}

.file-item-clickable:hover {
    background: var(--bg-card-hover);
    border-left: 3px solid var(--accent);
    padding-left: 9px;
}

.file-item-clickable .file-name {
    color: var(--accent);
    transition: var(--transition);
}

.file-item-clickable:hover .file-name {
    color: var(--accent-hover);
}

/* Markdown Viewer */
.md-viewer-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 0 16px;
    border-bottom: 1px solid var(--border);
    margin-bottom: 16px;
}

.md-viewer-tabs {
    display: flex;
    gap: 4px;
    background: var(--bg-input);
    border-radius: 8px;
    padding: 3px;
}

.md-tab {
    padding: 6px 16px;
    border-radius: 6px;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    font-size: 12px;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    transition: var(--transition);
}

.md-tab:hover {
    color: var(--text-primary);
}

.md-tab.active {
    background: var(--accent);
    color: white;
}

.md-viewer-info {
    font-size: 11px;
    color: var(--text-muted);
    font-weight: 500;
}

.md-viewer-content {
    max-height: 55vh;
    overflow-y: auto;
    padding-right: 8px;
}

/* Markdown rendered styles */
.md-rendered h1 {
    font-size: 22px;
    font-weight: 700;
    margin: 0 0 16px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--accent-soft);
    background: linear-gradient(135deg, var(--accent), #a78bfa);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.md-rendered h2 {
    font-size: 17px;
    font-weight: 600;
    margin: 20px 0 10px;
    color: var(--text-primary);
    padding-left: 12px;
    border-left: 3px solid var(--accent);
}

.md-rendered h3 {
    font-size: 15px;
    font-weight: 600;
    margin: 16px 0 8px;
    color: var(--text-secondary);
}

.md-rendered p {
    font-size: 13px;
    line-height: 1.7;
    color: var(--text-secondary);
    margin: 6px 0;
}

.md-rendered strong {
    color: var(--text-primary);
    font-weight: 600;
}

.md-rendered em {
    color: var(--text-secondary);
}

.md-rendered a {
    color: var(--accent);
    text-decoration: none;
    border-bottom: 1px dashed var(--accent);
    transition: var(--transition);
}

.md-rendered a:hover {
    color: var(--accent-hover);
    border-bottom-style: solid;
}

.md-rendered blockquote {
    margin: 10px 0;
    padding: 10px 16px;
    border-left: 3px solid var(--info);
    background: var(--info-soft);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    font-size: 13px;
    color: var(--info);
    font-weight: 500;
}

.md-rendered ul {
    margin: 8px 0;
    padding-left: 20px;
    list-style: none;
}

.md-rendered li {
    font-size: 13px;
    line-height: 1.8;
    color: var(--text-secondary);
    position: relative;
    padding-left: 14px;
}

.md-rendered li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--accent);
    font-weight: 700;
}

.md-rendered code {
    background: var(--accent-soft);
    color: var(--accent);
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 12px;
    font-family: 'Fira Code', 'Consolas', monospace;
}

.md-rendered hr {
    border: none;
    height: 1px;
    background: var(--border);
    margin: 20px 0;
}

/* Source code view */
.md-source {
    font-family: 'Fira Code', 'Consolas', monospace;
    font-size: 12px;
    line-height: 1.7;
    color: var(--text-secondary);
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 16px;
    white-space: pre-wrap;
    word-break: break-word;
    margin: 0;
}

/* Prompt editor */
.prompt-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
    margin-bottom: 16px;
    transition: var(--transition);
}

.prompt-card:hover {
    border-color: var(--accent);
}

.prompt-card h4 {
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.prompt-card .prompt-content {
    font-size: 13px;
    line-height: 1.7;
    color: var(--text-secondary);
    white-space: pre-wrap;
}

/* Loading */
.loading {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px;
    color: var(--text-muted);
}

.spinner {
    width: 24px;
    height: 24px;
    border: 3px solid var(--border);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
    margin-right: 10px;
}

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

/* Empty state */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-muted);
}

.empty-state .empty-icon {
    font-size: 48px;
    margin-bottom: 16px;
    opacity: 0.5;
}

.empty-state p {
    font-size: 14px;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

/* Language Switcher */
.lang-switcher {
    padding: 12px 16px;
    border-bottom: 1px solid var(--border);
}

.lang-switcher-label {
    font-size: 10px;
    font-weight: 600;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-bottom: 8px;
    letter-spacing: 0.5px;
}

.lang-flags {
    display: flex;
    gap: 4px;
}

.lang-flag {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 5px 10px;
    border-radius: 6px;
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-secondary);
    cursor: pointer;
    font-family: inherit;
    font-size: 11px;
    font-weight: 500;
    transition: var(--transition);
}

.lang-flag:hover {
    border-color: var(--accent);
    color: var(--text-primary);
    background: var(--accent-soft);
}

.lang-flag.active {
    background: var(--accent);
    color: white;
    border-color: var(--accent);
}

.lang-flag .flag-icon {
    font-size: 14px;
}

/* Chat Test */
.chat-container {
    display: flex;
    flex-direction: column;
    height: calc(100vh - 160px);
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
}

.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.chat-welcome {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    gap: 8px;
}

.chat-welcome-icon {
    font-size: 48px;
    opacity: 0.5;
}

.chat-welcome-text {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-secondary);
}

.chat-welcome-sub {
    font-size: 12px;
}

.chat-welcome-sub code {
    background: var(--accent-soft);
    color: var(--accent);
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 11px;
}

.chat-msg {
    display: flex;
}

.chat-msg-user {
    justify-content: flex-end;
}

.chat-msg-ai {
    justify-content: flex-start;
}

.chat-bubble {
    max-width: 75%;
    padding: 12px 16px;
    border-radius: 16px;
    font-size: 13px;
    line-height: 1.7;
    word-break: break-word;
    animation: chatFadeIn 0.3s ease;
}

@keyframes chatFadeIn {
    from {
        opacity: 0;
        transform: translateY(8px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.chat-bubble-user {
    background: var(--accent);
    color: white;
    border-bottom-right-radius: 4px;
}

.chat-bubble-ai {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    color: var(--text-primary);
    border-bottom-left-radius: 4px;
}

.chat-bubble-ai strong {
    color: var(--accent);
}

.chat-bubble-ai a {
    color: var(--accent);
    text-decoration: underline;
}

.chat-sources {
    margin-top: 10px;
    padding-top: 10px;
    border-top: 1px solid var(--border);
    font-size: 11px;
    color: var(--text-muted);
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    align-items: center;
}

.chat-source-tag {
    background: var(--accent-soft);
    color: var(--accent);
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 10px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.chat-source-tag:hover {
    background: var(--accent);
    color: white;
}

.chat-input-area {
    padding: 16px 24px 20px;
    border-top: 1px solid var(--border);
    background: var(--bg-secondary);
}

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

.chat-input {
    flex: 1;
    padding: 12px 16px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: 12px;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 14px;
    resize: none;
    line-height: 1.5;
    transition: var(--transition);
    max-height: 120px;
}

.chat-input:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-soft);
}

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

.chat-send-btn {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    border: none;
    background: var(--accent);
    color: white;
    font-size: 16px;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.chat-send-btn:hover {
    background: var(--accent-hover);
    transform: scale(1.05);
}

.chat-input-hint {
    font-size: 11px;
    color: var(--text-muted);
    margin-top: 6px;
    text-align: center;
}

/* Typing indicator */
.chat-typing {
    display: flex;
    gap: 4px;
    padding: 4px 0;
}

.chat-typing span {
    width: 8px;
    height: 8px;
    background: var(--text-muted);
    border-radius: 50%;
    animation: chatTyping 1.4s infinite;
}

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

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

@keyframes chatTyping {

    0%,
    60%,
    100% {
        opacity: 0.3;
        transform: translateY(0);
    }

    30% {
        opacity: 1;
        transform: translateY(-4px);
    }
}

/* ── Version Badge ──────────────────────────────────────────────────────── */
.version-badge {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 3px 8px;
    border-radius: 12px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    font-size: 12px;
    font-weight: 600;
    color: var(--text-muted);
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
}

.version-badge:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: var(--accent-soft);
}

.version-badge-arrow {
    font-size: 11px;
    opacity: 0;
    transition: opacity 0.15s;
}

.version-badge:hover .version-badge-arrow {
    opacity: 1;
}

.history-btn {
    padding: 5px 8px !important;
    font-size: 14px !important;
    opacity: 0.6;
    transition: var(--transition);
}

.history-btn:hover {
    opacity: 1;
}

/* ── History Modal Layout ───────────────────────────────────────────────── */
.hist-layout {
    display: grid;
    grid-template-columns: 220px 1fr;
    gap: 0;
    min-height: 380px;
    max-height: 62vh;
}

.hist-sidebar {
    border-right: 1px solid var(--border);
    padding: 0;
    overflow-y: auto;
    background: var(--bg-input);
    border-radius: 0 0 0 10px;
}

.hist-sidebar-label {
    padding: 12px 16px 8px;
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
    border-bottom: 1px solid var(--border);
}

.hist-timeline {
    padding: 8px;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.hist-timeline-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 9px 10px;
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition);
    border: 1px solid transparent;
}

.hist-timeline-item:hover {
    background: var(--bg-card-hover);
    border-color: var(--border);
}

.hist-timeline-item.selected {
    background: var(--accent-soft);
    border-color: rgba(99, 102, 241, 0.3);
}

.hist-dot {
    font-size: 12px;
    color: var(--text-muted);
    flex-shrink: 0;
    width: 14px;
    text-align: center;
}

.hist-dot.current {
    color: var(--success);
}

.hist-meta {
    flex: 1;
    min-width: 0;
}

.hist-ver-label {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.hist-who {
    font-size: 10px;
    color: var(--accent);
    font-weight: 500;
    margin-left: 4px;
}

.hist-date {
    font-size: 10px;
    color: var(--text-muted);
    margin-top: 1px;
}

.hist-restore-btn {
    flex-shrink: 0;
    font-size: 11px !important;
    padding: 3px 7px !important;
    opacity: 0;
    transition: opacity 0.15s;
}

.hist-timeline-item:hover .hist-restore-btn,
.hist-timeline-item.selected .hist-restore-btn {
    opacity: 1;
}

/* ── History Detail Panel ──────────────────────────────────────────────── */
.hist-detail {
    padding: 16px 20px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.hist-detail-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border);
}

.hist-detail-title {
    display: flex;
    align-items: center;
    gap: 8px;
}

.hist-detail-sub {
    font-size: 11px;
    color: var(--text-muted);
}

/* Diff display */
.hist-diff-field {
    border: 1px solid var(--border);
    border-radius: 8px;
    overflow: hidden;
    margin-bottom: 8px;
}

.hist-diff-label {
    padding: 6px 12px;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-muted);
    background: var(--bg-input);
    border-bottom: 1px solid var(--border);
}

.hist-diff-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
}

.hist-diff-old,
.hist-diff-new {
    padding: 8px 12px;
    font-size: 12px;
    line-height: 1.6;
    white-space: pre-wrap;
    word-break: break-word;
}

.hist-diff-old {
    background: rgba(239, 68, 68, 0.07);
    border-right: 1px solid var(--border);
    color: #fca5a5;
}

.hist-diff-new {
    background: rgba(16, 185, 129, 0.07);
    color: #6ee7b7;
}

.hist-sign {
    display: inline-block;
    font-weight: 800;
    margin-right: 6px;
    font-size: 13px;
    opacity: 0.7;
}

.hist-diff-old .hist-sign {
    color: var(--danger);
}

.hist-diff-new .hist-sign {
    color: var(--success);
}

.hist-nodiff {
    text-align: center;
    padding: 24px;
    color: var(--text-muted);
    font-size: 13px;
    font-style: italic;
}

.hist-empty {
    text-align: center;
    padding: 32px;
    color: var(--text-muted);
    font-size: 13px;
}

/* Full field section */
.hist-full-section {
    border: 1px solid var(--border);
    border-radius: 8px;
    overflow: hidden;
    margin-top: 8px;
}

.hist-full-toggle {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 14px;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-secondary);
    cursor: pointer;
    background: var(--bg-input);
    transition: var(--transition);
    user-select: none;
}

.hist-full-toggle:hover {
    color: var(--text-primary);
    background: var(--bg-card-hover);
}

.hist-chevron {
    font-size: 10px;
    transition: var(--transition);
}

.hist-full-body {
    padding: 8px 0;
}

.hist-full-row {
    display: grid;
    grid-template-columns: 150px 1fr;
    gap: 8px;
    padding: 6px 14px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
    font-size: 12px;
}

.hist-full-row:last-child {
    border-bottom: none;
}

.hist-full-label {
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    font-size: 10px;
    letter-spacing: 0.5px;
    padding-top: 2px;
}

.hist-full-val {
    color: var(--text-secondary);
    line-height: 1.5;
    white-space: pre-wrap;
    word-break: break-word;
}

/* Responsive */
@media (max-width: 768px) {
    .sidebar {
        width: 60px;
    }

    .sidebar-header h1,
    .sidebar-header p,
    .nav-section,
    .nav-item span:not(.icon),
    .nav-badge,
    .lang-switcher {
        display: none;
    }

    .main {
        margin-left: 60px;
        padding: 16px;
    }

    .stats-grid {
        grid-template-columns: 1fr 1fr;
    }

    .sync-panel {
        grid-template-columns: 1fr;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .chat-bubble {
        max-width: 90%;
    }
}

/* ── Tip Widget ───────────────────────────────────────────────────────── */
.tip-widget {
    position: fixed;
    bottom: 24px;
    right: 24px;
    display: none;
    align-items: center;
    background: rgba(26, 27, 46, 0.85);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(99, 102, 241, 0.3);
    border-radius: 30px;
    padding: 6px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3), 0 0 15px rgba(99, 102, 241, 0.2);
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    z-index: 900;
    max-width: 50px;
    overflow: hidden;
}

body.tips-enabled .tip-widget {
    display: flex;
}

.tip-widget:hover,
.tip-widget.expanded {
    max-width: 400px;
    border-radius: 16px;
    padding: 12px 16px;
    border-color: var(--accent);
    background: rgba(30, 31, 56, 0.95);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.4), 0 0 20px rgba(99, 102, 241, 0.4);
}

.tip-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--accent-soft);
    color: var(--accent);
    font-size: 18px;
    flex-shrink: 0;
    transition: transform 0.3s ease;
}

.tip-widget:hover .tip-icon,
.tip-widget.expanded .tip-icon {
    transform: scale(1.1) rotate(5deg);
    background: var(--accent);
    color: white;
}

.tip-content {
    margin-left: 12px;
    opacity: 0;
    white-space: nowrap;
    transition: opacity 0.3s ease;
    transition-delay: 0s;
}

.tip-widget:hover .tip-content,
.tip-widget.expanded .tip-content {
    opacity: 1;
    white-space: normal;
    transition-delay: 0.1s;
    min-width: 200px;
}

.tip-title {
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--accent);
    letter-spacing: 1px;
    margin-bottom: 2px;
}

.tip-text {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.4;
}

/* Add a slow pulsing effect to the border when collapsed */
@keyframes tip-pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(99, 102, 241, 0.4);
    }

    70% {
        box-shadow: 0 0 0 10px rgba(99, 102, 241, 0);
    }

    100% {
        box-shadow: 0 0 0 0 rgba(99, 102, 241, 0);
    }
}

.tip-widget:not(:hover) {
    animation: tip-pulse 3s infinite;
}

/* Chat Session Display Styles */
.chat-container {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.chat-message {
    display: flex;
    width: 100%;
}

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

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

.chat-bubble {
    max-width: 80%;
    padding: 12px 16px;
    border-radius: 12px;
    background: var(--bg-card);
    border: 1px solid var(--border);
}

.chat-message.chat-user .chat-bubble {
    background: var(--accent-soft);
    border-color: var(--accent);
}

.chat-meta {
    display: flex;
    gap: 8px;
    margin-bottom: 6px;
    font-size: 11px;
}

.chat-role {
    font-weight: 600;
    color: var(--accent);
}

.chat-time {
    color: var(--text-muted);
}

.chat-content {
    white-space: pre-wrap;
    font-size: 14px;
    line-height: 1.5;
    color: var(--text-primary);
}

/* ============================================================
   Permission Management Styles
   ============================================================ */

.permissions-tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 24px;
    border-bottom: 1px solid var(--border);
    padding-bottom: 0;
}

.permissions-tabs .tab {
    padding: 12px 20px;
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    border-bottom: 2px solid transparent;
    transition: var(--transition);
}

.permissions-tabs .tab:hover {
    color: var(--text-primary);
}

.permissions-tabs .tab.active {
    color: var(--accent);
    border-bottom-color: var(--accent);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

.permissions-layout {
    display: grid;
    grid-template-columns: 260px 1fr;
    gap: 20px;
    align-items: start;
}

/* --- Roles panel --- */
.roles-panel {
    background: var(--bg-card);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    max-height: calc(100vh - 240px);
    overflow: hidden;
}

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

.role-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 14px;
    border-bottom: 1px solid var(--border);
    cursor: pointer;
    transition: var(--transition);
    gap: 8px;
}

.role-item:hover {
    background: var(--bg-card-hover);
}

.role-item.selected {
    background: var(--accent-soft);
    border-left: 3px solid var(--accent);
}

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

.role-name {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 6px;
    flex-wrap: wrap;
}

.role-meta {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-top: 3px;
}

.role-key {
    font-size: 11px;
    color: var(--text-muted);
    font-family: monospace;
}

.role-stat {
    font-size: 11px;
    color: var(--text-muted);
}

.role-actions {
    display: flex;
    gap: 4px;
    flex-shrink: 0;
}

.btn-icon {
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px 6px;
    border-radius: 4px;
    font-size: 13px;
    opacity: 0.5;
    transition: var(--transition);
    line-height: 1;
}

.btn-icon:hover {
    opacity: 1;
    background: var(--bg-card-hover);
}

.role-tag {
    display: inline-block;
    padding: 2px 10px;
    border-radius: 12px;
    font-size: 12px;
    background: var(--accent-soft);
    color: var(--accent);
    font-weight: 500;
}

/* --- Permissions panel --- */
.permissions-panel {
    background: var(--bg-card);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    overflow: hidden;
}

.panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 14px 20px;
    border-bottom: 1px solid var(--border);
    flex-wrap: wrap;
    gap: 8px;
}

.panel-header h3 {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-primary);
}

.perm-panel-title-row {
    display: flex;
    align-items: center;
    gap: 10px;
}

.perm-unsaved-badge {
    font-size: 12px;
    color: var(--warning, #f59e0b);
    font-weight: 500;
}

.perm-quick-actions {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
    align-items: center;
}

.btn-unsaved {
    outline: 2px solid var(--warning, #f59e0b);
    outline-offset: 1px;
}

/* --- Permission Matrix Table --- */
.perm-matrix-wrap {
    overflow-x: auto;
    padding: 16px 20px;
}

.perm-matrix {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}

.perm-matrix thead th {
    padding: 8px 12px;
    text-align: center;
    font-weight: 600;
    font-size: 12px;
    color: var(--text-muted);
    border-bottom: 2px solid var(--border);
    white-space: nowrap;
}

.perm-matrix .perm-module-header {
    text-align: left;
    padding-left: 8px;
    min-width: 160px;
}

.perm-matrix .perm-col-action {
    width: 72px;
}

.perm-matrix .perm-col-all {
    width: 60px;
    color: var(--accent);
}

.perm-matrix tbody tr {
    border-bottom: 1px solid var(--border);
    transition: var(--transition);
}

.perm-matrix tbody tr:last-child {
    border-bottom: none;
}

.perm-matrix tbody tr:hover {
    background: var(--bg-card-hover);
}

.perm-module-cell {
    padding: 10px 8px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.perm-module-icon {
    font-size: 15px;
    flex-shrink: 0;
}

.perm-module-name {
    font-size: 13px;
    font-weight: 500;
    color: var(--text-primary);
}

.perm-cell {
    text-align: center;
    padding: 10px 8px;
    vertical-align: middle;
}

.perm-cell-empty {
    color: var(--text-muted);
}

.perm-dash {
    font-size: 14px;
    opacity: 0.3;
    user-select: none;
}

.perm-cell-all {
    border-left: 1px solid var(--border);
}

.perm-cb, .perm-row-all {
    width: 16px;
    height: 16px;
    accent-color: var(--accent);
    cursor: pointer;
}

.perm-row-all {
    accent-color: var(--accent);
    opacity: 0.8;
}

/* Legacy checkbox styles kept for modals */
.permission-checkbox {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    font-size: 14px;
    color: var(--text-secondary);
}

.permission-checkbox input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--accent);
    cursor: pointer;
}

.permission-checkbox:hover {
    color: var(--text-primary);
}

.btn-sm {
    padding: 6px 12px;
    font-size: 12px;
}

.badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 11px;
    font-weight: 600;
    margin-left: 8px;
}

.badge-info {
    background: var(--info-soft);
    color: var(--info);
}

.badge-success {
    background: var(--success-soft);
    color: var(--success);
}

.badge-secondary {
    background: var(--bg-muted);
    color: var(--text-muted);
}

.data-table {
    width: 100%;
    border-collapse: collapse;
}

.data-table th,
.data-table td {
    padding: 10px 14px;
    text-align: left;
    border-bottom: 1px solid var(--border);
    font-size: 13px;
}

.data-table th {
    font-weight: 600;
    color: var(--text-secondary);
    background: var(--bg-secondary);
}

.data-table td {
    color: var(--text-primary);
}

.roles-layout {
    max-width: 900px;
}

.alert {
    padding: 16px 20px;
    border-radius: var(--radius-sm);
    margin-bottom: 20px;
}

.alert-error {
    background: var(--danger-soft);
    border: 1px solid var(--danger);
    color: var(--danger);
}