/* === NewArchive Admin — ERAS 2 Style === */

:root {
    --bg-primary: #f0f2f5;
    --bg-secondary: #ffffff;
    --bg-card: #ffffff;
    --bg-input: #ffffff;
    --bg-sidebar: #1b3a5c;
    --bg-sidebar-hover: #244b73;
    --bg-toolbar: #17334f;
    --accent: #0072b5;
    --accent-dark: #005a8e;
    --highlight: #e88300;
    --highlight-hover: #d07600;
    --text-primary: #2c3e50;
    --text-secondary: #5a6d80;
    --text-muted: #8e99a4;
    --text-light: #ffffff;
    --border: #d5dbe1;
    --border-light: #e8ecef;
    --success: #27ae60;
    --danger: #c0392b;
    --warning: #e88300;
    --table-header-bg: #17334f;
    --table-header-text: #ffffff;
    --table-row-alt: #f7f9fb;
    --table-row-hover: #e8f0f8;
    --table-row-selected: #d4e6f5;
    --radius: 4px;
    --shadow: 0 1px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 2px 8px rgba(0, 0, 0, 0.12);
    --transition: 0.2s ease;
}

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

html, body {
    height: 100%;
    font-family: "Segoe UI", Arial, Helvetica, sans-serif;
    font-size: 13px;
    color: var(--text-primary);
    background: var(--bg-primary);
}

/* === Layout === */

.app-container {
    display: flex;
    height: 100vh;
}

.sidebar {
    width: 220px;
    min-width: 220px;
    background: var(--bg-sidebar);
    display: flex;
    flex-direction: column;
    box-shadow: 2px 0 6px rgba(0, 0, 0, 0.15);
    z-index: 10;
}

.sidebar-header {
    padding: 16px 16px 12px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    background: var(--bg-toolbar);
}

.sidebar-title-row {
    display: flex;
    align-items: center;
    gap: 8px;
}

.sidebar-logo {
    max-height: 28px;
    max-width: 100px;
    width: auto;
    height: auto;
    object-fit: contain;
    flex-shrink: 0;
}

.sidebar-header h2 {
    font-size: 17px;
    font-weight: 700;
    color: var(--sidebar-title-color, var(--highlight));
    letter-spacing: 0.5px;
    margin: 0;
}

.sidebar-subtitle {
    font-size: 10px;
    color: rgba(255, 255, 255, 0.5);
    text-transform: uppercase;
    letter-spacing: 2px;
}

.sidebar-archive {
    padding: 8px 12px 10px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar-archive-label {
    display: block;
    font-size: 9px;
    color: rgba(255, 255, 255, 0.45);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 4px;
}

.sidebar-archive-select {
    width: 100%;
    padding: 5px 8px;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-light);
    background: var(--bg-sidebar-hover);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: var(--radius);
    outline: none;
    cursor: pointer;
}

.sidebar-archive-select:focus {
    border-color: var(--highlight);
}

.sidebar-archive-select:disabled {
    opacity: 0.7;
    cursor: default;
}

.sidebar-archive-select option {
    background: var(--bg-sidebar);
    color: var(--text-light);
}

.main-content {
    flex: 1;
    padding: 20px 24px;
    overflow-y: auto;
    background: var(--bg-primary);
}

/* === Navigation === */

.nav-menu {
    padding: 8px 0;
    display: flex;
    flex-direction: column;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 16px;
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    font-size: 13px;
    font-weight: 500;
    transition: all var(--transition);
    border-left: 3px solid transparent;
}

.nav-link:hover {
    color: #ffffff;
    background: var(--bg-sidebar-hover);
}

.nav-link.active {
    color: var(--highlight);
    background: rgba(232, 131, 0, 0.1);
    border-left-color: var(--highlight);
    font-weight: 600;
}

.nav-icon {
    font-size: 15px;
    width: 20px;
    text-align: center;
}

/* === Page === */

.page-header {
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--accent);
}

.page-header h1 {
    font-size: 18px;
    font-weight: 700;
    color: var(--bg-sidebar);
}

.page-header p {
    color: var(--text-secondary);
    font-size: 12px;
    margin-top: 2px;
}

/* === Cards === */

.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 0;
    margin-bottom: 16px;
    overflow: hidden;
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 14px;
    background: var(--table-header-bg);
    color: var(--table-header-text);
    border-bottom: none;
    margin-bottom: 0;
}

.card-header h3 {
    font-size: 13px;
    font-weight: 600;
    color: var(--table-header-text);
}

/* === Tables === */

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

.data-table th {
    text-align: left;
    padding: 8px 10px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--table-header-text);
    background: var(--table-header-bg);
    border-bottom: 2px solid var(--accent);
}

.data-table td {
    padding: 7px 10px;
    border-bottom: 1px solid var(--border-light);
    font-size: 13px;
}

.data-table tr:nth-child(even) td {
    background: var(--table-row-alt);
}

.data-table tr:hover td {
    background: var(--table-row-hover);
}

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

.search-results-table th,
.search-results-table td {
    white-space: nowrap;
    max-width: 200px;
    overflow: hidden;
    text-overflow: ellipsis;
}

.search-results-table td:first-child {
    font-weight: 600;
    color: var(--highlight);
}

/* === Buttons === */

.btn {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 6px 14px;
    border: 1px solid transparent;
    border-radius: var(--radius);
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition);
    text-decoration: none;
    font-family: inherit;
}

.btn-primary {
    background: var(--highlight);
    color: #fff;
    border-color: var(--highlight-hover);
}

.btn-primary:hover {
    background: var(--highlight-hover);
}

.btn-secondary {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent-dark);
}

.btn-secondary:hover {
    background: var(--accent-dark);
}

.btn-danger {
    background: #fff;
    color: var(--danger);
    border: 1px solid var(--danger);
}

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

.btn-sm {
    padding: 4px 10px;
    font-size: 11px;
}

.btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

/* === Forms === */

.form-group {
    margin-bottom: 10px;
}

.form-group label {
    display: block;
    font-size: 11px;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 3px;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.form-control {
    width: 100%;
    padding: 5px 8px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text-primary);
    font-size: 13px;
    font-family: inherit;
    transition: border-color var(--transition);
}

.form-control:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 2px rgba(0, 114, 181, 0.15);
}

.form-control:read-only {
    background: var(--bg-primary);
    color: var(--text-muted);
    cursor: not-allowed;
}

select.form-control {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%235a6d80' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 8px center;
    padding-right: 26px;
}

input[type="checkbox"] {
    accent-color: var(--accent);
    width: 15px;
    height: 15px;
}

/* === Badges === */

.badge {
    display: inline-block;
    padding: 2px 7px;
    border-radius: 3px;
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.badge-system {
    background: var(--highlight);
    color: #fff;
}

.badge-type {
    background: var(--accent);
    color: #fff;
}

/* === Stats === */

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 12px;
    margin-bottom: 16px;
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 16px;
    box-shadow: var(--shadow);
    border-top: 3px solid var(--accent);
}

.stat-card .stat-value {
    font-size: 26px;
    font-weight: 700;
    color: var(--accent);
}

.stat-card .stat-label {
    font-size: 11px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-top: 2px;
}

/* === Toolbar === */

.toolbar {
    display: flex;
    gap: 6px;
    align-items: center;
    margin-bottom: 12px;
}

.toolbar-spacer {
    flex: 1;
}

/* === Messages === */

.alert {
    padding: 8px 14px;
    border-radius: var(--radius);
    font-size: 12px;
    margin: 10px 14px;
    font-weight: 500;
}

.alert-success {
    background: #eafaf1;
    color: var(--success);
    border: 1px solid #a9dfbf;
}

.alert-error,
.alert-danger {
    background: #fdedec;
    color: var(--danger);
    border: 1px solid #f5b7b1;
}

.alert-warning {
    background: #fff8e1;
    color: #b7791f;
    border: 1px solid #f7e8a5;
}

/* === Import-Dialog === */

.import-dialog {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: min(900px, 92vw);
    max-height: 88vh;
    background: #fff;
    border-radius: 10px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    display: flex;
    flex-direction: column;
    z-index: 20;
    overflow: hidden;
}

.import-dialog-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 14px 20px;
    background: var(--panel-header-bg);
    color: #fff;
    border-bottom: 1px solid var(--border);
}

.import-dialog-header h3 {
    margin: 0;
    font-size: 16px;
    color: #fff;
}

.btn-close {
    background: none;
    border: none;
    color: #fff;
    font-size: 22px;
    cursor: pointer;
    line-height: 1;
    padding: 0 6px;
}

.btn-close:hover {
    color: var(--highlight);
}

.import-dialog-body {
    flex: 1;
    overflow-y: auto;
    padding: 10px 20px;
}

.import-dialog-footer {
    display: flex;
    justify-content: flex-end;
    gap: 8px;
    padding: 12px 20px;
    border-top: 1px solid var(--border);
    background: #f9fafb;
}

.import-dropzone {
    position: relative;
    display: block;
    border: 2px dashed #cbd5e1;
    border-radius: 8px;
    padding: 24px;
    text-align: center;
    cursor: pointer;
    transition: border-color 0.15s, background 0.15s;
    background: #f8fafc;
    color: var(--text-muted);
    overflow: hidden;
}

.import-dropzone:hover,
.import-dropzone.dragging {
    border-color: var(--accent);
    background: rgba(37, 99, 235, 0.06);
    color: var(--accent);
}

.import-dropzone-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    font-size: 13px;
}

.import-mapping-table th,
.import-mapping-table td {
    font-size: 12px;
}

.import-mapping-table code {
    background: rgba(0, 0, 0, 0.04);
    padding: 2px 6px;
    border-radius: 3px;
    font-size: 11px;
}

/* === Preview-Tabs (Original / OCR-Text) === */

.preview-tabs {
    display: flex;
    border-bottom: 1px solid var(--border);
    background: var(--bg-primary);
    flex-shrink: 0;
}

.preview-tab {
    background: transparent;
    border: none;
    padding: 8px 14px;
    cursor: pointer;
    font-size: 12px;
    font-weight: 500;
    color: var(--text-secondary);
    border-bottom: 2px solid transparent;
    transition: color 0.15s, border-color 0.15s, background 0.15s;
}

.preview-tab:hover {
    color: var(--text-primary);
    background: rgba(0, 0, 0, 0.03);
}

.preview-tab.active {
    color: var(--accent);
    border-bottom-color: var(--accent);
    font-weight: 600;
}

.preview-text-wrap {
    display: flex;
    flex-direction: column;
    height: 100%;
    width: 100%;
}

.preview-text-toolbar {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 12px;
    background: var(--bg-secondary, #f5f7fb);
    border-bottom: 1px solid var(--border);
    flex-shrink: 0;
}

.preview-text-area {
    flex: 1;
    width: 100%;
    border: none;
    padding: 12px 14px;
    font-family: ui-monospace, 'SF Mono', Menlo, Consolas, monospace;
    font-size: 13px;
    line-height: 1.5;
    color: var(--text-primary);
    background: var(--bg-primary);
    resize: none;
    outline: none;
}

.preview-text-area:focus { background: var(--bg-primary); }

/* === Theme-Verwaltung === */

.theme-color-chip {
    display: inline-block;
    width: 16px;
    height: 16px;
    border-radius: 3px;
    box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.1);
}

.theme-color-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 8px;
}

.theme-color-field {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.theme-color-field label {
    font-size: 10px;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.theme-row-active {
    background: rgba(16, 185, 129, 0.05);
}

.theme-preview {
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

/* === Suggest-Combobox (Keyword-Vorschlagsliste) === */

.suggest-combo {
    position: relative;
    display: flex;
    align-items: stretch;
    gap: 0;
}

.suggest-combo > input {
    flex: 1;
    border-top-right-radius: 0;
    border-bottom-right-radius: 0;
}

.suggest-combo-btn {
    width: 28px;
    background: #f3f4f6;
    border: 1px solid #d1d5db;
    border-left: none;
    border-top-right-radius: var(--radius);
    border-bottom-right-radius: var(--radius);
    cursor: pointer;
    color: #4b5563;
    font-size: 12px;
    transition: background 0.15s;
    padding: 0;
}

.suggest-combo-btn:hover:not(:disabled) {
    background: #e5e7eb;
    color: #1f2937;
}

.suggest-combo-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.suggest-combo-overlay {
    position: fixed;
    inset: 0;
    z-index: 40;
    background: transparent;
}

.suggest-combo-list {
    position: absolute;
    top: calc(100% + 2px);
    left: 0;
    right: 0;
    z-index: 41;
    background: #fff;
    border: 1px solid #d1d5db;
    border-radius: var(--radius);
    box-shadow: 0 8px 16px -4px rgba(0, 0, 0, 0.15);
    max-height: 240px;
    overflow-y: auto;
    font-size: 12px;
}

.suggest-combo-item {
    padding: 6px 10px;
    cursor: pointer;
    color: #111827;
    border-bottom: 1px solid rgba(0, 0, 0, 0.04);
}

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

.suggest-combo-item:hover {
    background: rgba(37, 99, 235, 0.08);
}

.suggest-combo-item.selected {
    background: rgba(37, 99, 235, 0.12);
    font-weight: 600;
    color: #1e40af;
}

.suggest-combo-empty {
    padding: 10px;
    color: var(--text-muted);
    text-align: center;
    font-style: italic;
}

/* === Progress Bar === */

.progress {
    width: 100%;
    height: 18px;
    background: #e5e7eb;
    border-radius: 9px;
    overflow: hidden;
    border: 1px solid #d1d5db;
}

.progress-bar {
    height: 100%;
    background: linear-gradient(90deg, #2563eb 0%, #3b82f6 100%);
    transition: width 0.3s ease;
    position: relative;
    background-size: 30px 30px;
    background-image:
        linear-gradient(90deg, #2563eb 0%, #3b82f6 100%),
        linear-gradient(45deg, rgba(255,255,255,0.15) 25%, transparent 25%, transparent 50%, rgba(255,255,255,0.15) 50%, rgba(255,255,255,0.15) 75%, transparent 75%, transparent);
    animation: progressStripes 1.5s linear infinite;
}

.progress-bar-failed {
    background: linear-gradient(90deg, #dc2626 0%, #ef4444 100%) !important;
    animation: none;
}

@keyframes progressStripes {
    0% { background-position: 0 0, 0 0; }
    100% { background-position: 0 0, 30px 0; }
}

.text-primary { color: var(--accent); }
.text-success { color: var(--success); }
.text-danger  { color: var(--danger); }
.text-muted   { color: var(--text-muted); }

/* === Keywords list === */

.keyword-row {
    display: grid;
    grid-template-columns: 1fr 100px 70px 70px 50px 70px;
    gap: 6px;
    align-items: center;
    padding: 6px 14px;
    border-bottom: 1px solid var(--border-light);
}

.keyword-row:nth-child(even) {
    background: var(--table-row-alt);
}

.keyword-row:hover {
    background: var(--table-row-hover);
}

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

/* === Empty state === */

.empty-state {
    text-align: center;
    padding: 30px;
    color: var(--text-muted);
}

.empty-state p {
    margin-top: 4px;
    font-size: 12px;
}

/* === Area list items === */

.area-item {
    padding: 8px 12px;
    cursor: pointer;
    border-left: 3px solid transparent;
    transition: all 0.15s;
    border-bottom: 1px solid var(--border-light);
}

.area-item:hover {
    background: var(--table-row-hover);
}

.area-item.selected {
    border-left-color: var(--highlight);
    background: var(--table-row-selected);
}

/* === Scrollbar === */

::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 4px;
}

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

/* === Document Client — 3-Panel Layout === */

.client-container {
    display: flex;
    flex-direction: column;
    height: calc(100vh - 40px);
}

.client-toolbar {
    display: flex;
    gap: 8px;
    align-items: center;
    padding: 8px 12px;
    background: var(--table-header-bg);
    border-radius: var(--radius) var(--radius) 0 0;
    flex-shrink: 0;
}

.client-toolbar select,
.client-toolbar input {
    padding: 5px 8px;
    border: 1px solid rgba(255,255,255,0.2);
    border-radius: var(--radius);
    background: rgba(255,255,255,0.1);
    color: #fff;
    font-size: 12px;
    font-family: inherit;
}

.client-toolbar select { min-width: 180px; }
.client-toolbar select option { background: var(--bg-sidebar); color: #fff; }
.client-toolbar input::placeholder { color: rgba(255,255,255,0.5); }
.client-toolbar input:focus { outline: none; border-color: var(--highlight); }

.client-panels {
    display: flex;
    flex: 1;
    min-height: 0;
    border: 1px solid var(--border);
    border-top: none;
}

.panel {
    overflow-y: auto;
    background: var(--bg-card);
}

.panel-left {
    width: 280px;
    min-width: 280px;
    border-right: 1px solid var(--border);
    padding: 0;
    overflow-y: auto;
}

.panel-center {
    width: 300px;
    min-width: 180px;
    padding: 0;
    overflow: auto;
}

/* Kontextmenue Baum */
.tree-context-overlay {
    position: fixed;
    inset: 0;
    z-index: 900;
}

.tree-context-menu {
    position: fixed;
    z-index: 901;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-md);
    min-width: 180px;
    padding: 4px 0;
    font-size: 13px;
}

.tree-context-item {
    padding: 7px 14px;
    cursor: pointer;
    color: var(--text-primary);
    transition: background var(--transition);
}

.tree-context-item:hover {
    background: var(--table-row-hover);
}

.tree-context-highlight {
    color: var(--accent);
    font-weight: 600;
}

.tree-context-highlight:hover {
    background: rgba(0, 114, 181, 0.08);
}

.tree-context-danger {
    color: var(--danger);
}

.tree-context-danger:hover {
    background: rgba(192, 57, 43, 0.08);
}

.tree-dialog {
    position: fixed;
    z-index: 901;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-md);
    padding: 16px 20px;
    min-width: 300px;
    max-width: 90vw;
}

.tree-dialog-title {
    font-size: 14px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 10px;
}

.tree-context-sep {
    height: 1px;
    background: var(--border-light);
    margin: 4px 0;
}

.btn-tree-toggle {
    background: none;
    border: 1px solid rgba(255,255,255,0.3);
    border-radius: var(--radius);
    color: rgba(255,255,255,0.7);
    padding: 2px 6px;
    cursor: pointer;
    display: flex;
    align-items: center;
    transition: background var(--transition), color var(--transition);
}

.btn-tree-toggle:hover {
    background: rgba(255,255,255,0.15);
    color: #fff;
}

/* Splitter zwischen Baum und Vorschau */
.panel-splitter {
    width: 6px;
    cursor: col-resize;
    background: var(--border);
    position: relative;
    flex-shrink: 0;
    transition: background var(--transition);
}

.panel-splitter:hover,
.panel-splitter.dragging {
    background: var(--highlight);
}

.panel-splitter::after {
    content: "";
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    width: 2px;
    height: 40px;
    border-radius: 1px;
    background: rgba(255,255,255,0.6);
    pointer-events: none;
}

.panel-right {
    flex: 1;
    min-width: 200px;
    background: #e8ecef;
    display: flex;
    flex-direction: column;
}

.panel-header {
    padding: 6px 10px;
    background: var(--accent);
    color: #fff;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    position: sticky;
    top: 0;
    z-index: 2;
}

/* === Tree View === */

.tree-container {
    padding: 4px 0;
    font-size: 13px;
}

.tree-node {
    user-select: none;
}

.tree-toggle {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 3px 8px;
    cursor: pointer;
    color: var(--text-primary);
    transition: background 0.1s;
    border-left: 3px solid transparent;
}

.tree-toggle:hover {
    background: var(--table-row-hover);
}

.tree-icon {
    width: 16px;
    text-align: center;
    font-size: 10px;
    color: var(--text-muted);
    flex-shrink: 0;
}

.tree-folder-icon {
    color: var(--highlight);
    font-size: 14px;
}

.tree-children {
    margin-left: 12px;
}

.tree-leaf {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 3px 8px;
    cursor: pointer;
    color: var(--text-primary);
    transition: background 0.1s;
    border-left: 3px solid transparent;
    font-size: 12px;
}

.tree-leaf:hover {
    background: var(--table-row-hover);
}

.tree-leaf.selected {
    background: var(--table-row-selected);
    border-left-color: var(--accent);
    font-weight: 600;
}

.tree-leaf-icon {
    color: var(--accent);
    font-size: 13px;
}

/* === Document Detail (left panel) === */

.detail-section {
    border-bottom: 1px solid var(--border-light);
    padding: 8px 10px;
}

.detail-section:last-child {
    border-bottom: none;
}

.detail-field {
    margin-bottom: 6px;
}

.detail-field label {
    display: block;
    font-size: 10px;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
}

.detail-field label.keyword-label {
    font-size: 12px;
    font-weight: 700;
    color: var(--text-primary);
    text-transform: none;
    letter-spacing: 0;
    letter-spacing: 0.3px;
    margin-bottom: 2px;
}

.keyword-label-row {
    display: flex;
    align-items: center;
    gap: 4px;
    margin-bottom: 2px;
}

.keyword-label-row .keyword-label {
    flex: 1;
    margin-bottom: 0;
}

.pin-toggle {
    background: transparent;
    border: 1px solid #c8ced4;
    padding: 2px 4px;
    cursor: pointer;
    color: #6a7580;
    border-radius: 3px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 22px;
    height: 22px;
    flex: 0 0 auto;
    line-height: 0;
    transition: color 0.15s, background 0.15s, border-color 0.15s, transform 0.15s;
}

.pin-toggle:hover:not(:disabled) {
    color: var(--accent);
    border-color: var(--accent);
    background: rgba(0, 114, 181, 0.08);
}

.pin-toggle.pinned {
    color: #fff;
    background: var(--accent);
    border-color: var(--accent);
    transform: rotate(-30deg);
}

.pin-toggle.pinned:hover:not(:disabled) {
    background: var(--accent-dark);
    border-color: var(--accent-dark);
    color: #fff;
}

.pin-toggle:disabled {
    cursor: default;
    opacity: 0.35;
}

.detail-field .form-control {
    padding: 4px 6px;
    font-size: 12px;
}

.detail-field textarea.form-control {
    resize: vertical;
    min-height: 60px;
}

.detail-meta {
    font-size: 11px;
    color: var(--text-muted);
    display: grid;
    grid-template-columns: 90px minmax(0, 1fr);
    column-gap: 8px;
    padding: 3px 0;
    align-items: start;
}
.detail-meta > span:first-child {
    font-weight: 600;
    color: var(--text-muted);
    white-space: nowrap;
}
.detail-meta > span:last-child {
    color: var(--text-primary);
    word-break: break-word;
    overflow-wrap: anywhere;       /* bricht auch innerhalb langer Tokens (Filenames mit "_") */
    text-align: left;
    min-width: 0;
}
.detail-filename {
    font-family: 'Consolas', 'Courier New', monospace;
    font-size: 10.5px;
    line-height: 1.4;
}

/* === Document Preview (right panel) === */

.preview-container {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 0;
}

.preview-container iframe,
.preview-container img {
    width: 100%;
    height: 100%;
    border: none;
}

.preview-toolbar {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 6px 10px;
    background: var(--bg-card);
    border-top: 1px solid var(--border);
    font-size: 12px;
    flex-shrink: 0;
}

.preview-empty {
    text-align: center;
    color: var(--text-muted);
    font-size: 13px;
    padding: 40px;
}

/* Fallback-Vorschau fuer nicht-renderbare Dateitypen (ZIP, Audio, Video, EML, ...) */
.preview-fileicon {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 4px;
    height: 100%;
    padding: 32px 20px;
}
.preview-fileicon-glyph {
    font-size: 96px;
    line-height: 1;
    margin-bottom: 8px;
    filter: drop-shadow(0 2px 6px rgba(0,0,0,0.18));
}
.preview-fileicon-label {
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--accent);
}
.preview-fileicon-name {
    font-size: 14px;
    color: var(--text-primary);
    word-break: break-all;
    max-width: 80%;
    margin-top: 4px;
}
.preview-fileicon-meta {
    font-size: 11px;
    color: var(--text-muted);
    margin-top: 2px;
}

/* === Statusbar === */

.client-statusbar {
    padding: 4px 12px;
    background: var(--table-header-bg);
    color: rgba(255,255,255,0.7);
    font-size: 11px;
    border-radius: 0 0 var(--radius) var(--radius);
    display: flex;
    gap: 16px;
    flex-shrink: 0;
}

/* === Responsive: Stack panels on small screens === */

/* === Search Results Table === */

.sortable-header {
    cursor: pointer;
    user-select: none;
}

.sortable-header:hover {
    background: var(--accent-dark);
    color: #fff;
}

.result-row {
    cursor: pointer;
}

.result-row:hover td {
    background: var(--table-row-hover) !important;
}

.result-row-selected td {
    background: var(--table-row-selected) !important;
}

/* === Search Field Row === */

.search-label-row {
    display: flex;
    align-items: center;
    gap: 5px;
}

.search-label-row input[type="radio"] {
    margin: 0;
    width: 14px;
    height: 14px;
    accent-color: var(--highlight);
    cursor: pointer;
    flex-shrink: 0;
}

.search-label-row label {
    margin: 0;
    cursor: pointer;
    font-size: 12px;
    font-weight: 700;
    color: var(--text-primary);
    text-transform: none;
    letter-spacing: 0;
}

.search-label-row .badge-type {
    font-size: 8px;
    font-weight: 500;
    padding: 1px 4px;
    border-radius: 3px;
    vertical-align: middle;
    opacity: 0.7;
}

.search-field-row {
    display: flex;
    gap: 4px;
    align-items: center;
}

.search-field-row .form-control {
    flex: 1;
}

.btn-search-mode {
    width: 32px;
    height: 28px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--bg-primary);
    color: var(--accent);
    font-size: 11px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.15s;
    font-family: inherit;
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-search-mode:hover {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent);
}

/* === Upload Drop Zone === */

.dropzone {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 300px;
    height: 100%;
    margin: 12px;
    border: 2px dashed var(--border);
    border-radius: var(--radius);
    transition: all 0.2s;
    text-align: center;
}

.dropzone:hover {
    border-color: var(--accent);
    background: rgba(0, 114, 181, 0.03);
}

.dropzone.drag-over {
    border-color: var(--highlight);
    background: rgba(232, 131, 0, 0.06);
    border-width: 3px;
}

.dropzone.has-file {
    border-style: solid;
    border-color: var(--success);
    background: rgba(39, 174, 96, 0.04);
}

.dropzone-label {
    pointer-events: none;
}

.dropzone-file-info {
    pointer-events: none;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
}

.dropzone-file-icon {
    font-size: 40px;
}

.dropzone-file-name {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    word-break: break-all;
    max-width: 250px;
}

.dropzone-file-meta {
    font-size: 11px;
    color: var(--text-muted);
}

.dropzone-file-info .btn {
    pointer-events: auto;
}

/* === Responsive: Stack panels on small screens === */

/* Mobile Tabs — nur auf kleinen Screens sichtbar */
.mobile-tabs {
    display: none;
}

/* Hamburger — Desktop versteckt */
.hamburger-btn { display: none; }
.sidebar-overlay { display: none; }

@media (max-width: 900px) {
    /* Hamburger Button */
    .hamburger-btn {
        display: flex;
        flex-direction: column;
        justify-content: center;
        gap: 4px;
        position: fixed;
        top: 8px;
        left: 8px;
        z-index: 1001;
        width: 36px;
        height: 36px;
        padding: 6px;
        background: var(--bg-sidebar);
        border: 1px solid rgba(255,255,255,0.2);
        border-radius: var(--radius);
        cursor: pointer;
    }

    .hamburger-btn span {
        display: block;
        height: 2px;
        background: #fff;
        border-radius: 1px;
    }

    /* Overlay */
    .sidebar-overlay {
        display: block;
        position: fixed;
        inset: 0;
        background: rgba(0,0,0,0.5);
        z-index: 999;
    }

    /* Sidebar: versteckt, gleitet rein */
    .sidebar {
        position: fixed;
        left: -220px;
        top: 0;
        bottom: 0;
        width: 200px !important;
        min-width: 200px !important;
        z-index: 1000;
        transition: left 0.25s ease;
        overflow-y: auto;
    }

    .sidebar-open {
        left: 0;
    }

    .sidebar-header h2 { font-size: 15px; }
    .sidebar-subtitle { display: block; font-size: 8px; }
    .sidebar-archive { padding: 6px 10px; }
    .sidebar-archive-select { font-size: 11px; }

    /* Main content nutzt volle Breite */
    .main-content {
        margin-left: 0 !important;
        padding: 8px !important;
        padding-top: 48px !important;
    }

    .mobile-tabs {
        display: flex;
        background: var(--bg-toolbar);
        border-bottom: 2px solid var(--highlight);
    }

    .mobile-tab {
        flex: 1;
        padding: 8px 4px;
        border: none;
        background: transparent;
        color: rgba(255,255,255,0.6);
        font-size: 12px;
        font-weight: 600;
        cursor: pointer;
        text-align: center;
        transition: background var(--transition), color var(--transition);
    }

    .mobile-tab:hover {
        background: rgba(255,255,255,0.05);
    }

    .mobile-tab-active {
        color: #fff;
        background: rgba(255,255,255,0.1);
        box-shadow: inset 0 -2px 0 var(--highlight);
    }

    .client-panels {
        flex-direction: column;
    }

    .panel-left, .panel-center, .panel-right {
        width: 100% !important;
        min-width: 0 !important;
        border-right: none !important;
        flex: 1;
    }

    .mobile-panel-visible {
        display: flex !important;
        flex-direction: column;
    }

    .mobile-panel-hidden {
        display: none !important;
    }

    .panel-splitter {
        display: none;
    }

}

/* === Document Tree === */

.doc-tree {
    padding: 2px 0;
    font-size: 13px;
    user-select: none;
    overflow: auto;
    height: 100%;
    line-height: 1;
}

/* --- Zeile (Ordner oder Dokument) --- */

.tree-row {
    display: flex;
    align-items: center;
    height: 28px;
    padding-right: 8px;
    cursor: pointer;
    gap: 4px;
    white-space: nowrap;
    transition: background var(--transition), border-color var(--transition);
    border-left: 3px solid transparent;
}

.tree-folder-row {
    font-weight: 600;
    color: var(--text-primary);
}

.tree-folder-row:hover {
    background: var(--table-row-hover);
}

.tree-doc-row {
    font-weight: 400;
    color: var(--text-secondary);
}

.tree-doc-row:hover {
    background: var(--table-row-hover);
    color: var(--text-primary);
}

.tree-cut {
    background: rgba(232, 131, 0, 0.12) !important;
    border-left-color: var(--highlight) !important;
    opacity: 0.7;
    font-style: italic;
}

.tree-reorder {
    background: rgba(59, 130, 246, 0.18) !important;
    border-left-color: #3b82f6 !important;
    color: #3b82f6 !important;
    opacity: 0.7;
    font-style: italic;
}

.tree-reorder-hint {
    padding: 6px 12px;
    background: rgba(59, 130, 246, 0.1);
    border-bottom: 1px solid rgba(59, 130, 246, 0.3);
    color: #3b82f6;
    font-size: 12px;
    font-weight: 500;
}

.tree-reorder-cancel {
    cursor: pointer;
    text-decoration: underline;
    margin-left: 6px;
    color: var(--text-muted);
}

.tree-reorder-cancel:hover {
    color: var(--danger);
}

.tree-doc-selected {
    background: var(--table-row-selected) !important;
    border-left-color: var(--accent);
    color: var(--text-primary);
    font-weight: 600;
}

/* --- Chevron (Aufklapp-Pfeil) --- */

.tree-chevron {
    flex-shrink: 0;
    color: var(--text-muted);
    transition: transform 0.15s ease;
}

.tree-chevron-open {
    transform: rotate(90deg);
}

.tree-chevron-hidden {
    visibility: hidden;
}

/* --- Icons (Ordner / Dokument) --- */

.tree-icon {
    flex-shrink: 0;
}

.tree-icon-cabinet {
    color: var(--highlight);
}

.tree-icon-folder {
    color: var(--highlight);
}

.tree-icon-doc {
    color: var(--accent);
}

.tree-checkbox {
    margin: 0 2px 0 0;
    cursor: pointer;
    transform: scale(0.85);
    accent-color: var(--accent);
}

/* Export-Toolbar oberhalb des Baums */
.tree-toolbar {
    display: flex;
    gap: 4px;
    align-items: center;
    padding: 4px 6px;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    font-size: 12px;
}
.tree-toolbar button {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border);
    border-radius: 3px;
    padding: 3px 8px;
    font-size: 11px;
    cursor: pointer;
}
.tree-toolbar button:hover:not(:disabled) {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent);
}
.tree-toolbar button:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}
.tree-toolbar .tree-toolbar-count {
    margin-left: auto;
    color: var(--text-muted);
    font-size: 11px;
}

/* --- Text + Badge --- */

.tree-text {
    overflow: hidden;
    text-overflow: ellipsis;
    flex: 1;
    min-width: 0;
}

.tree-badge {
    margin-left: auto;
    font-size: 10px;
    font-weight: 400;
    color: var(--text-muted);
    background: var(--bg-primary);
    padding: 1px 6px;
    border-radius: 10px;
    flex-shrink: 0;
    line-height: 1.4;
}

/* --- Login-Seite --- */

.login-wrap {
    position: fixed;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 20px;
    background: linear-gradient(135deg, #f5f7fb 0%, #e8efff 40%, #fff4e6 100%);
    overflow: hidden;
}

/* Dekorative Hintergrundformen */
.login-bg-shape {
    position: absolute;
    border-radius: 50%;
    filter: blur(60px);
    opacity: 0.4;
    pointer-events: none;
    animation: loginFloat 14s ease-in-out infinite;
}

.login-bg-shape-1 {
    width: 380px;
    height: 380px;
    background: radial-gradient(circle, #2563eb 0%, transparent 70%);
    top: -80px;
    left: -80px;
}

.login-bg-shape-2 {
    width: 460px;
    height: 460px;
    background: radial-gradient(circle, #e88300 0%, transparent 70%);
    bottom: -120px;
    right: -120px;
    animation-delay: -7s;
}

@keyframes loginFloat {
    0%, 100% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(20px, -30px) scale(1.05); }
}

.login-card {
    position: relative;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.6);
    border-radius: 16px;
    padding: 40px 36px 28px;
    width: 100%;
    max-width: 400px;
    box-shadow:
        0 20px 50px -12px rgba(37, 99, 235, 0.2),
        0 8px 20px -4px rgba(0, 0, 0, 0.08),
        inset 0 1px 0 rgba(255, 255, 255, 0.9);
    z-index: 1;
}

.login-logo {
    text-align: center;
    margin-bottom: 28px;
}

.login-logo-icon {
    margin-bottom: 8px;
    filter: drop-shadow(0 4px 10px rgba(37, 99, 235, 0.3));
}

.login-logo h1 {
    margin: 0;
    color: #1e40af;
    font-size: 26px;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.login-subtitle {
    margin: 4px 0 0;
    color: #6b7280;
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 0.02em;
}

.login-form {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.login-field {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.login-label {
    font-size: 11px;
    font-weight: 600;
    color: #4b5563;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.login-input-wrap {
    position: relative;
    display: flex;
    align-items: center;
}

.login-input-icon {
    position: absolute;
    left: 12px;
    color: #9ca3af;
    pointer-events: none;
    transition: color 0.15s;
}

.login-input {
    flex: 1;
    padding: 11px 12px 11px 34px;
    border: 1.5px solid #e5e7eb;
    border-radius: 8px;
    font-size: 14px;
    background: rgba(255, 255, 255, 0.9);
    color: #111827;
    outline: none;
    transition: border-color 0.18s, box-shadow 0.18s, background 0.18s;
    font-family: inherit;
}

.login-input::placeholder {
    color: #d1d5db;
    font-weight: 400;
}

.login-input:focus {
    border-color: #2563eb;
    background: #fff;
    box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.12);
}

.login-input:focus + .login-input-icon,
.login-input-wrap:focus-within .login-input-icon {
    color: #2563eb;
}

.login-btn {
    margin-top: 8px;
    padding: 12px 16px;
    background: linear-gradient(135deg, #2563eb 0%, #1e40af 100%);
    color: #fff;
    border: none;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.15s, box-shadow 0.18s, filter 0.18s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
    letter-spacing: 0.02em;
}

.login-btn:hover {
    filter: brightness(1.08);
    box-shadow: 0 6px 18px rgba(37, 99, 235, 0.4);
    transform: translateY(-1px);
}

.login-btn:active {
    transform: translateY(0);
    box-shadow: 0 2px 8px rgba(37, 99, 235, 0.3);
}

.login-error {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 12px;
    background: rgba(239, 68, 68, 0.08);
    border: 1px solid rgba(239, 68, 68, 0.25);
    color: #b91c1c;
    border-radius: 8px;
    font-size: 13px;
    font-weight: 500;
    margin-bottom: 16px;
    animation: loginShake 0.4s ease;
}

@keyframes loginShake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-6px); }
    75% { transform: translateX(6px); }
}

.login-footer {
    margin-top: 20px;
    padding-top: 16px;
    border-top: 1px solid rgba(0, 0, 0, 0.06);
    text-align: center;
    color: #9ca3af;
    font-size: 11px;
    letter-spacing: 0.04em;
}

/* User-Info in Sidebar */
.sidebar-user {
    padding: 12px 16px;
    border-top: 1px solid rgba(255,255,255,0.1);
    margin-top: auto;
    font-size: 12px;
    color: rgba(255,255,255,0.85);
}

.sidebar-user-name {
    font-weight: 600;
    color: #fff;
}

.sidebar-user-role {
    color: rgba(255,255,255,0.6);
    font-size: 11px;
}

.sidebar-logout {
    display: inline-block;
    margin-top: 6px;
    background: none;
    border: 1px solid rgba(255,255,255,0.25);
    color: rgba(255,255,255,0.85);
    padding: 4px 10px;
    border-radius: 4px;
    font-size: 11px;
    cursor: pointer;
    transition: background 0.15s;
}

.sidebar-logout:hover {
    background: rgba(255,255,255,0.1);
}