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

:root {
    --bg-primary: #f5f7fa;
    --bg-secondary: #ffffff;
    --bg-tertiary: #f8f9fa;
    --text-primary: #333;
    --text-secondary: #666;
    --text-tertiary: #999;
    --border-color: #e0e0e0;
    --accent-color: #667eea;
    --accent-hover: #5568d3;
    --shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.2);
}

body.dark-mode {
    --bg-primary: #1a1a1a;
    --bg-secondary: #2d2d2d;
    --bg-tertiary: #3a3a3a;
    --text-primary: #e0e0e0;
    --text-secondary: #b0b0b0;
    --text-tertiary: #808080;
    --border-color: #404040;
    --accent-color: #7c8ef0;
    --accent-hover: #6b7de0;
    --shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.5);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: linear-gradient(135deg, var(--accent-color) 0%, #764ba2 100%);
    min-height: 100vh;
    color: var(--text-primary);
    transition: background 0.3s, color 0.3s;
}

/* Login Styles */
.login-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 20px;
}

.login-box {
    background: var(--bg-secondary);
    padding: 40px;
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
    width: 100%;
    max-width: 400px;
    transition: background 0.3s;
}

.login-box h1 {
    text-align: center;
    margin-bottom: 10px;
    color: var(--accent-color);
}

.subtitle {
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: 30px;
    font-size: 14px;
}

/* Tool Styles */
.tool-container {
    min-height: 100vh;
    background: var(--bg-primary);
    transition: background 0.3s;
    display: flex;
    flex-direction: column;
}

.tool-header {
    background: var(--bg-secondary);
    padding: 20px 40px;
    box-shadow: var(--shadow);
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background 0.3s, box-shadow 0.3s;
}

.tool-header h1 {
    color: var(--accent-color);
    font-size: 24px;
}

.tool-main {
    max-width: 1400px;
    margin: 0 auto;
    padding: 40px 20px;
}

/* Module Tabs */
.modules-container {
    background: var(--bg-secondary);
    border-radius: 12px;
    box-shadow: var(--shadow);
    overflow: hidden;
    transition: background 0.3s, box-shadow 0.3s;
}

.module-tabs {
    display: flex;
    background: var(--bg-tertiary);
    border-bottom: 2px solid var(--border-color);
    overflow-x: auto;
    transition: background 0.3s, border-color 0.3s;
}

.module-tab {
    padding: 15px 25px;
    background: transparent;
    border: none;
    border-bottom: 3px solid transparent;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
    transition: all 0.3s;
    white-space: nowrap;
}

.module-tab:hover {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

.module-tab.active {
    color: var(--accent-color);
    border-bottom-color: var(--accent-color);
    background: var(--bg-secondary);
}

.module-content {
    padding: 30px;
    animation: fadeIn 0.3s;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.config-section,
.actions-section,
.results-section,
.customer-section,
.template-section {
    background: var(--bg-secondary);
    padding: 30px;
    border-radius: 8px;
    box-shadow: var(--shadow);
    margin-bottom: 30px;
    transition: background 0.3s, box-shadow 0.3s;
}

.config-section h2,
.actions-section h2,
.results-section h2,
.customer-section h2,
.template-section h2 {
    margin-bottom: 20px;
    color: var(--text-primary);
    font-size: 20px;
}

/* Form Styles */
.input-group {
    margin-bottom: 20px;
}

.input-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--text-secondary);
}

.input-group input,
.input-group textarea {
    width: 100%;
    padding: 12px;
    border: 2px solid var(--border-color);
    border-radius: 6px;
    font-size: 14px;
    transition: border-color 0.3s, background 0.3s, color 0.3s;
    font-family: 'Courier New', monospace;
    background: var(--bg-secondary);
    color: var(--text-primary);
}

.input-group textarea {
    resize: vertical;
    min-height: 200px;
}

/* Content Editor Modal - Dark Mode Support */
body.dark-mode #contentModal > div {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

body.dark-mode #contentModal .input-group label {
    color: var(--text-secondary);
}

body.dark-mode #contentModal textarea {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border-color: var(--border-color);
}

body.dark-mode #contentModal code {
    background: var(--bg-tertiary);
    color: var(--accent-color);
    padding: 2px 6px;
    border-radius: 3px;
}

.input-group input[readonly] {
    background: var(--bg-tertiary);
    cursor: not-allowed;
}

.input-group select {
    width: 100%;
    padding: 12px;
    border: 2px solid var(--border-color);
    border-radius: 6px;
    font-size: 14px;
    transition: border-color 0.3s, background 0.3s, color 0.3s;
    background: var(--bg-secondary);
    color: var(--text-primary);
}

.input-group select:focus {
    outline: none;
    border-color: var(--accent-color);
}

.input-group input:focus,
.input-group textarea:focus {
    outline: none;
    border-color: var(--accent-color);
}

.button-group {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.template-page-item {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 15px;
    margin-bottom: 10px;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
    transition: background 0.3s, border-color 0.3s;
}

.template-page-item input {
    flex: 1;
    margin: 0;
}

.template-page-item .page-actions {
    display: flex;
    gap: 5px;
}

.template-page-item .btn-small {
    padding: 8px 12px;
    font-size: 12px;
}

.template-page-item .btn-remove {
    background: #dc3545;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    padding: 8px 12px;
    font-size: 12px;
}

.template-page-item .btn-remove:hover {
    background: #c82333;
}

.template-page-item .btn-content {
    background: #17a2b8;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    padding: 8px 12px;
    font-size: 12px;
}

.template-page-item .btn-content:hover {
    background: #138496;
}

/* Button Styles */
.btn-primary,
.btn-secondary {
    padding: 12px 24px;
    border: none;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s;
}

.btn-primary {
    background: var(--accent-color);
    color: white !important;
    border: none !important;
}

.btn-primary:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.4);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-secondary {
    background: #6c757d !important;
    color: white !important;
    border: none !important;
}

.btn-secondary:hover {
    background: #5a6268 !important;
}

.btn-large {
    padding: 16px 32px;
    font-size: 16px;
    width: 100%;
}

.action-buttons {
    display: flex !important;
    gap: 15px !important;
    flex-wrap: wrap !important;
    visibility: visible !important;
    opacity: 1 !important;
    width: 100% !important;
    min-height: 200px !important;
}

.action-buttons button {
    visibility: visible !important;
    opacity: 1 !important;
    display: block !important;
    min-height: 60px !important;
    width: 100% !important;
    margin-bottom: 15px !important;
}

/* Messages */
.error-message {
    color: #dc3545;
    margin-top: 15px;
    font-size: 14px;
    text-align: center;
    display: none;
}

.error-message.show {
    display: block;
}

.message {
    margin-top: 15px;
    padding: 12px;
    border-radius: 6px;
    font-size: 14px;
    display: none;
}

.message.show {
    display: block;
}

.message.success {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.message.error {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

body.dark-mode .message.success {
    background: #1e4620;
    color: #90ee90;
    border: 1px solid #2d5a2f;
}

body.dark-mode .message.error {
    background: #4a1e1e;
    color: #ff6b6b;
    border: 1px solid #5a2d2d;
}

/* Loading Indicator */
.loading {
    text-align: center;
    margin-top: 20px;
}

.spinner {
    border: 4px solid var(--bg-tertiary);
    border-top: 4px solid var(--accent-color);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
    margin: 0 auto 15px;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Results */
.result-box {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 20px;
    min-height: 200px;
    max-height: 600px;
    overflow-y: auto;
    transition: background 0.3s, border-color 0.3s;
}

.placeholder {
    color: var(--text-tertiary);
    text-align: center;
    padding: 40px;
}

.structure-tree {
    font-family: 'Courier New', monospace;
    font-size: 14px;
    line-height: 1.8;
    color: var(--text-primary);
}

.structure-tree .folder {
    color: var(--accent-color);
    font-weight: bold;
}

.structure-tree .page {
    color: var(--text-primary);
    margin-left: 20px;
}

.structure-tree .error {
    color: #dc3545;
}

/* Footer */
.tool-footer {
    background: var(--bg-secondary);
    padding: 20px;
    text-align: center;
    border-top: 1px solid var(--border-color);
    margin-top: auto;
    transition: background 0.3s, border-color 0.3s;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
}

.footer-content p {
    color: var(--text-secondary);
    font-size: 14px;
    margin: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.footer-content i {
    color: var(--accent-color);
    font-size: 16px;
}

/* Dark Mode Toggle */
#darkModeToggle {
    font-size: 20px;
    padding: 8px 12px;
    background: transparent;
    border: 2px solid var(--border-color);
}

#darkModeToggle:hover {
    background: var(--bg-tertiary);
}

body.dark-mode #darkModeToggle {
    border-color: var(--border-color);
}

/* Content Editor Toolbar */
.toolbar-btn {
    padding: 6px 12px;
    border: 1px solid var(--border-color);
    background: var(--bg-secondary);
    color: var(--text-primary);
    border-radius: 4px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
    transition: all 0.2s;
}

.toolbar-btn:hover {
    background: var(--accent-color);
    color: white;
    border-color: var(--accent-color);
}

.toolbar-btn:active {
    transform: scale(0.95);
}

body.dark-mode .toolbar-btn {
    background: var(--bg-tertiary);
    border-color: var(--border-color);
}

body.dark-mode .toolbar-btn:hover {
    background: var(--accent-color);
    color: white;
}

/* Content Preview */
#contentPreview h1, #contentPreview h2, #contentPreview h3, #contentPreview h4, #contentPreview h5, #contentPreview h6 {
    margin-top: 1em;
    margin-bottom: 0.5em;
    font-weight: 600;
}

#contentPreview h1 { font-size: 2em; }
#contentPreview h2 { font-size: 1.5em; }
#contentPreview h3 { font-size: 1.25em; }

#contentPreview p {
    margin-bottom: 1em;
}

#contentPreview ul, #contentPreview ol {
    margin-left: 1.5em;
    margin-bottom: 1em;
}

#contentPreview code {
    background: #f4f4f4;
    padding: 2px 6px;
    border-radius: 3px;
    font-family: 'Courier New', monospace;
    font-size: 0.9em;
}

#contentPreview pre {
    background: #f4f4f4;
    padding: 12px;
    border-radius: 4px;
    overflow-x: auto;
    margin-bottom: 1em;
}

#contentPreview pre code {
    background: none;
    padding: 0;
}

#contentPreview blockquote {
    border-left: 4px solid var(--accent-color);
    padding-left: 1em;
    margin-left: 0;
    margin-bottom: 1em;
    color: var(--text-secondary);
}

#contentPreview table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 1em;
}

#contentPreview table th,
#contentPreview table td {
    border: 1px solid var(--border-color);
    padding: 8px;
    text-align: left;
}

#contentPreview table th {
    background: var(--bg-tertiary);
    font-weight: 600;
}

#contentPreview a {
    color: var(--accent-color);
    text-decoration: underline;
}

#contentPreview hr {
    border: none;
    border-top: 2px solid var(--border-color);
    margin: 1.5em 0;
}

body.dark-mode #contentPreview code {
    background: var(--bg-tertiary);
}

body.dark-mode #contentPreview pre {
    background: var(--bg-tertiary);
}

body.dark-mode #contentPreview table th {
    background: var(--bg-tertiary);
}

/* Editor-Modus Buttons */
.editor-mode-btn {
    padding: 10px 20px;
    border: 2px solid var(--border-color);
    background: var(--bg-secondary);
    color: var(--text-primary);
    border-radius: 6px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.3s;
}

.editor-mode-btn:hover {
    background: var(--bg-tertiary);
    border-color: var(--accent-color);
}

.editor-mode-btn.active {
    background: var(--accent-color);
    color: white;
    border-color: var(--accent-color);
}

body.dark-mode .editor-mode-btn {
    background: var(--bg-tertiary);
    border-color: var(--border-color);
}

body.dark-mode .editor-mode-btn:hover {
    background: var(--bg-secondary);
}

body.dark-mode .editor-mode-btn.active {
    background: var(--accent-color);
    color: white;
}

/* Editor Container */
.editor-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-height: 0;
}

.editor-toolbar {
    flex-shrink: 0;
    margin-bottom: 10px;
    padding: 10px;
    background: #f8f9fa;
    border-radius: 4px;
    display: flex;
    gap: 5px;
    flex-wrap: wrap;
    align-items: center;
}

body.dark-mode .editor-toolbar {
    background: var(--bg-tertiary);
}

/* Visual Editor Styles */
#visualEditor {
    outline: none;
}

#visualEditor:focus {
    border-color: var(--accent-color);
}

#visualEditor img {
    max-width: 100%;
    height: auto;
}

body.dark-mode #visualEditor {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

body.dark-mode #htmlEditor {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border-color: var(--border-color);
}

body.dark-mode #contentModal > div {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

body.dark-mode #contentEditor {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border-color: var(--border-color);
}

body.dark-mode #contentPreview {
    background: var(--bg-secondary);
    color: var(--text-primary);
    border-color: var(--border-color);
}

/* HTML Preview Styles (ähnlich wie contentPreview) */
#htmlPreview h1, #htmlPreview h2, #htmlPreview h3, #htmlPreview h4, #htmlPreview h5, #htmlPreview h6 {
    margin-top: 1em;
    margin-bottom: 0.5em;
    font-weight: 600;
}

#htmlPreview h1 { font-size: 2em; }
#htmlPreview h2 { font-size: 1.5em; }
#htmlPreview h3 { font-size: 1.25em; }

#htmlPreview p {
    margin-bottom: 1em;
}

#htmlPreview ul, #htmlPreview ol {
    margin-left: 1.5em;
    margin-bottom: 1em;
}

#htmlPreview code {
    background: #f4f4f4;
    padding: 2px 6px;
    border-radius: 3px;
    font-family: 'Courier New', monospace;
    font-size: 0.9em;
}

#htmlPreview pre {
    background: #f4f4f4;
    padding: 12px;
    border-radius: 4px;
    overflow-x: auto;
    margin-bottom: 1em;
}

#htmlPreview pre code {
    background: none;
    padding: 0;
}

#htmlPreview blockquote {
    border-left: 4px solid var(--accent-color);
    padding-left: 1em;
    margin-left: 0;
    margin-bottom: 1em;
    color: var(--text-secondary);
}

#htmlPreview table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 1em;
}

#htmlPreview table th,
#htmlPreview table td {
    border: 1px solid var(--border-color);
    padding: 8px;
    text-align: left;
}

#htmlPreview table th {
    background: var(--bg-tertiary);
    font-weight: 600;
}

#htmlPreview a {
    color: var(--accent-color);
    text-decoration: underline;
}

#htmlPreview hr {
    border: none;
    border-top: 2px solid var(--border-color);
    margin: 1.5em 0;
}

body.dark-mode #htmlPreview {
    background: var(--bg-secondary);
    color: var(--text-primary);
    border-color: var(--border-color);
}

body.dark-mode #htmlPreview code {
    background: var(--bg-tertiary);
}

body.dark-mode #htmlPreview pre {
    background: var(--bg-tertiary);
}

body.dark-mode #htmlPreview table th {
    background: var(--bg-tertiary);
}