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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: #f5f5f5;
    color: #333;
    line-height: 1.6;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    background: white;
    min-height: 100vh;
    box-shadow: 0 0 20px rgba(0,0,0,0.1);
}

header {
    padding: 20px 30px;
    border-bottom: 2px solid #e0e0e0;
}

header h1 {
    font-size: 24px;
    font-weight: 600;
    color: #333;
}

.controls-wrapper {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    padding: 20px;
    background: #fafafa;
    border-bottom: 1px solid #e0e0e0;
    align-items: stretch;
}

.element-selector-wrapper {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 15px;
    padding: 10px;
    background: white;
    border-radius: 8px;
    border: 1px solid #e0e0e0;
    width: 100%;
    flex-wrap: wrap;
}

.element-selector-wrapper label {
    font-weight: 600;
    color: #333;
    font-size: 14px;
}

.element-selector-wrapper select {
    flex: 1;
    max-width: 300px;
    padding: 8px 12px;
    font-size: 14px;
    font-weight: 500;
}

.mode-controls {
    display: flex;
    align-items: center;
    gap: 15px;
}

.mode-indicator {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: #666;
}

.mode-indicator span {
    font-weight: 600;
}

.control-section {
    background: white;
    border-radius: 8px;
    padding: 15px;
    border: 1px solid #e0e0e0;
    flex: 2;
    min-width: 400px;
}

.control-section h3 {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 10px;
    color: #666;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.control-row {
    display: flex;
    gap: 10px;
    margin-bottom: 10px;
}

.library-selector {
    width: 100%;
    margin-bottom: 10px;
}

.font-selector {
    flex: 2;
}

.variant-selector {
    flex: 1;
}

select {
    padding: 6px 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 13px;
    background: white;
    cursor: pointer;
    width: 100%;
}

select:focus {
    outline: none;
    border-color: #666;
}

.sliders {
    flex-direction: column;
    gap: 8px;
}

.slider-group {
    display: flex;
    align-items: center;
    gap: 10px;
}

.slider-group label {
    font-size: 12px;
    color: #666;
    min-width: 100px;
}

.slider-group input[type="range"] {
    flex: 1;
}

input[type="range"] {
    -webkit-appearance: none;
    height: 4px;
    background: #ddd;
    border-radius: 2px;
    outline: none;
}

input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 14px;
    height: 14px;
    background: #666;
    border-radius: 50%;
    cursor: pointer;
}

input[type="range"]:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

input[type="color"] {
    width: 50px;
    height: 28px;
    border: 1px solid #ddd;
    border-radius: 4px;
    cursor: pointer;
    padding: 2px;
}

input[type="color"]::-webkit-color-swatch-wrapper {
    padding: 2px;
}

input[type="color"]::-webkit-color-swatch {
    border-radius: 2px;
    border: none;
}

.color-mode-indicator {
    font-size: 11px;
    color: #666;
    font-weight: normal;
}

.color-group {
    display: flex;
    align-items: center;
}

.color-group label {
    min-width: 120px;
    flex: 0 0 auto;
}

.color-group input[type="color"] {
    margin-right: 10px;
}

.color-group .btn-secondary {
    padding: 4px 12px;
    font-size: 12px;
    flex: 0 0 auto;
    white-space: nowrap;
}

/* Dark mode styles for entire application */
body.dark-mode {
    background: #0a0a0a;
    color: #e0e0e0;
}

body.dark-mode .container {
    background: #1a1a1a;
    box-shadow: 0 0 20px rgba(0,0,0,0.5);
}

body.dark-mode header {
    border-bottom-color: #333;
}

body.dark-mode header h1 {
    color: #e0e0e0;
}

body.dark-mode .controls-wrapper {
    background: #222;
    border-bottom-color: #333;
}

body.dark-mode .element-selector-wrapper,
body.dark-mode .control-section {
    background: #2a2a2a;
    border-color: #444;
}

body.dark-mode .element-selector-wrapper label,
body.dark-mode .control-section h3 {
    color: #e0e0e0;
}

body.dark-mode select,
body.dark-mode input[type="range"],
body.dark-mode input[type="color"] {
    background: #333;
    border-color: #555;
    color: #e0e0e0;
}

body.dark-mode select:focus {
    border-color: #666;
}

body.dark-mode input[type="range"] {
    background: #444;
}

body.dark-mode input[type="range"]::-webkit-slider-thumb {
    background: #888;
}

body.dark-mode .btn-secondary {
    background: #333;
    border-color: #555;
    color: #e0e0e0;
}

body.dark-mode .btn-secondary:hover {
    background: #444;
    border-color: #666;
}

body.dark-mode .slider-group label {
    color: #999;
}

body.dark-mode .mode-indicator {
    color: #999;
}

body.dark-mode .summary-element {
    color: #e0e0e0;
}

body.dark-mode .summary-details {
    color: #999;
}

body.dark-mode .summary-item {
    border-bottom-color: #333;
}

body.dark-mode .editor-header {
    background: #2a2a2a;
    border-bottom-color: #444;
}

body.dark-mode .editor-header h3 {
    color: #999;
}

body.dark-mode #markdownEditor {
    background: #1a1a1a;
    color: #e0e0e0;
    border-color: #444;
}

body.dark-mode .preview-container {
    /* Background will be set via JavaScript */
}

body.dark-mode .fullscreen-overlay {
    /* Background will be set via JavaScript */
}

body.dark-mode .exit-fullscreen {
    background: #2a2a2a;
    border-color: #555;
    color: #e0e0e0;
}

body.dark-mode .exit-fullscreen:hover {
    background: #333;
    border-color: #666;
}

.preset-section {
    flex: 1;
    min-width: 220px;
    max-width: 280px;
    display: flex;
    flex-direction: column;
}

.preset-section select {
    width: 100%;
    margin-bottom: 15px;
}

.content-bg-settings {
    margin-bottom: 15px;
}

.content-bg-settings .slider-group {
    margin-bottom: 8px;
}

.preset-section .preset-actions {
    width: 100%;
}

.preset-section .preset-actions:first-of-type {
    margin-top: auto;
    padding-top: 10px;
}

/* Summary section */
.summary-section {
    flex: 1;
    min-width: 350px;
    max-width: 450px;
}

.font-summary {
    max-height: 300px;
    overflow-y: auto;
}

.summary-item {
    padding: 8px 0;
    border-bottom: 1px solid #f0f0f0;
}

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

.summary-element {
    font-size: 12px;
    font-weight: 600;
    color: #333;
    margin-bottom: 4px;
}

.summary-details {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    font-size: 11px;
    color: #666;
}

.summary-detail {
    display: flex;
    align-items: baseline;
    gap: 4px;
}

.summary-label {
    font-weight: 600;
    color: #999;
}

/* Color badges in summary */
.color-badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 11px;
    font-weight: 600;
    color: white;
    text-shadow: 0 1px 2px rgba(0,0,0,0.2);
    border: 1px solid rgba(0,0,0,0.1);
}

.color-badge.light-badge {
    color: #333;
    text-shadow: none;
    border: 1px solid rgba(0,0,0,0.2);
}


.summary-colors {
    display: flex;
    gap: 8px;
    margin-top: 8px;
    flex-wrap: wrap;
}

.main-content {
    display: flex;
    min-height: 500px;
}

.editor-container {
    width: 50%;
    border-right: 1px solid #e0e0e0;
    display: flex;
    flex-direction: column;
}

.editor-header {
    padding: 15px 20px;
    background: #f8f8f8;
    border-bottom: 1px solid #e0e0e0;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.editor-header h3 {
    font-size: 14px;
    font-weight: 600;
    color: #666;
}

#previewToggle {
    padding: 5px 15px;
    background: #666;
    color: white;
    border: none;
    border-radius: 4px;
    font-size: 12px;
    cursor: pointer;
}

#previewToggle:hover {
    background: #555;
}

#markdownEditor {
    flex: 1;
    padding: 20px;
    border: none;
    resize: none;
    font-family: 'SF Mono', Monaco, 'Courier New', monospace;
    font-size: 14px;
    line-height: 1.6;
    color: #333;
}

#markdownEditor:focus {
    outline: none;
}

.preview-container {
    flex: 1;
    padding: 40px;
    overflow-y: auto;
    /* Background will be set via JavaScript */
}

.preview-container.full-width {
    width: 100%;
}

.preview-content {
    max-width: 800px;
    margin: 0 auto;
}

/* Markdown content styles */
.preview-content h1 {
    margin-bottom: 20px;
    line-height: 1.2;
}

.preview-content h2 {
    margin-top: 30px;
    margin-bottom: 15px;
    line-height: 1.3;
}

.preview-content h3 {
    margin-top: 25px;
    margin-bottom: 12px;
    line-height: 1.4;
}

.preview-content h4,
.preview-content h5,
.preview-content h6 {
    margin-top: 20px;
    margin-bottom: 10px;
    line-height: 1.4;
}

.preview-content p {
    margin-bottom: 16px;
}

.preview-content ul,
.preview-content ol {
    margin-bottom: 16px;
    padding-left: 30px;
}

.preview-content li {
    margin-bottom: 5px;
}

.preview-content blockquote {
    margin: 20px 0;
    padding: 15px 20px;
    border-left: 4px solid #ddd;
    background: #f8f8f8;
    font-style: italic;
}

.preview-content code {
    padding: 2px 6px;
    background: #f4f4f4;
    border-radius: 3px;
    font-family: 'SF Mono', Monaco, 'Courier New', monospace;
    font-size: 0.9em;
}

.preview-content pre {
    margin: 20px 0;
    padding: 15px;
    background: #f8f8f8;
    border-radius: 4px;
    overflow-x: auto;
}

.preview-content pre code {
    padding: 0;
    background: none;
}

.preview-content hr {
    margin: 30px 0;
    border: none;
    border-top: 1px solid #e0e0e0;
}

.preview-content a {
    color: #0066cc;
    text-decoration: none;
}

.preview-content a:hover {
    text-decoration: underline;
}

.preview-content img {
    max-width: 100%;
    height: auto;
}

.preview-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
}

.preview-content th,
.preview-content td {
    padding: 10px;
    border: 1px solid #ddd;
    text-align: left;
}

.preview-content th {
    background: #f8f8f8;
    font-weight: 600;
}

.btn-secondary {
    padding: 6px 12px;
    background: white;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 12px;
    cursor: pointer;
    transition: all 0.2s;
    flex: 1;
    min-width: 0;
}

.btn-secondary:hover {
    background: #f8f8f8;
    border-color: #999;
}

.preset-actions {
    display: flex;
    gap: 10px;
    margin-bottom: 10px;
}

.preset-actions:last-child {
    margin-bottom: 0;
}


/* Font faces for local fonts */
@font-face {
    font-family: 'Newsreader';
    src: url('fonts/newsreader/Newsreader-VariableFont_opsz,wght.ttf') format('truetype');
    font-weight: 200 800;
}

@font-face {
    font-family: 'Newsreader';
    src: url('fonts/newsreader/Newsreader-Italic-VariableFont_opsz,wght.ttf') format('truetype');
    font-weight: 200 800;
    font-style: italic;
}

@font-face {
    font-family: 'Newsreader 9pt ExtraLight';
    src: url('fonts/newsreader/static/Newsreader_9pt-ExtraLight.ttf') format('truetype');
}

@font-face {
    font-family: 'Newsreader 9pt Light';
    src: url('fonts/newsreader/static/Newsreader_9pt-Light.ttf') format('truetype');
}

@font-face {
    font-family: 'Newsreader 9pt Regular';
    src: url('fonts/newsreader/static/Newsreader_9pt-Regular.ttf') format('truetype');
}

@font-face {
    font-family: 'Newsreader 9pt Medium';
    src: url('fonts/newsreader/static/Newsreader_9pt-Medium.ttf') format('truetype');
}

@font-face {
    font-family: 'Newsreader 9pt SemiBold';
    src: url('fonts/newsreader/static/Newsreader_9pt-SemiBold.ttf') format('truetype');
}

@font-face {
    font-family: 'Newsreader 9pt Bold';
    src: url('fonts/newsreader/static/Newsreader_9pt-Bold.ttf') format('truetype');
}

@font-face {
    font-family: 'Newsreader 24pt Regular';
    src: url('fonts/newsreader/static/Newsreader_24pt-Regular.ttf') format('truetype');
}

@font-face {
    font-family: 'Newsreader 36pt Regular';
    src: url('fonts/newsreader/static/Newsreader_36pt-Regular.ttf') format('truetype');
}

@font-face {
    font-family: 'Newsreader 60pt Regular';
    src: url('fonts/newsreader/static/Newsreader_60pt-Regular.ttf') format('truetype');
}

@font-face {
    font-family: 'Instrument Serif Regular';
    src: url('fonts/instrument-serif/InstrumentSerif-Regular.ttf') format('truetype');
}

@font-face {
    font-family: 'Instrument Serif Italic';
    src: url('fonts/instrument-serif/InstrumentSerif-Italic.ttf') format('truetype');
}

@font-face {
    font-family: 'Inter';
    src: url('fonts/inter/Inter-VariableFont_opsz,wght.ttf') format('truetype');
    font-weight: 100 900;
}

@font-face {
    font-family: 'Inter';
    src: url('fonts/inter/Inter-Italic-VariableFont_opsz,wght.ttf') format('truetype');
    font-weight: 100 900;
    font-style: italic;
}

@font-face {
    font-family: 'Inter 18pt Thin';
    src: url('fonts/inter/static/Inter_18pt-Thin.ttf') format('truetype');
}

@font-face {
    font-family: 'Inter 18pt ExtraLight';
    src: url('fonts/inter/static/Inter_18pt-ExtraLight.ttf') format('truetype');
}

@font-face {
    font-family: 'Inter 18pt Light';
    src: url('fonts/inter/static/Inter_18pt-Light.ttf') format('truetype');
}

@font-face {
    font-family: 'Inter 18pt Regular';
    src: url('fonts/inter/static/Inter_18pt-Regular.ttf') format('truetype');
}

@font-face {
    font-family: 'Inter 18pt Medium';
    src: url('fonts/inter/static/Inter_18pt-Medium.ttf') format('truetype');
}

@font-face {
    font-family: 'Inter 18pt SemiBold';
    src: url('fonts/inter/static/Inter_18pt-SemiBold.ttf') format('truetype');
}

@font-face {
    font-family: 'Inter 18pt Bold';
    src: url('fonts/inter/static/Inter_18pt-Bold.ttf') format('truetype');
}

@font-face {
    font-family: 'Inter 18pt ExtraBold';
    src: url('fonts/inter/static/Inter_18pt-ExtraBold.ttf') format('truetype');
}

@font-face {
    font-family: 'Inter 18pt Black';
    src: url('fonts/inter/static/Inter_18pt-Black.ttf') format('truetype');
}

@font-face {
    font-family: 'Inter 24pt Regular';
    src: url('fonts/inter/static/Inter_24pt-Regular.ttf') format('truetype');
}

@font-face {
    font-family: 'Inter 28pt Regular';
    src: url('fonts/inter/static/Inter_28pt-Regular.ttf') format('truetype');
}

/* Fullscreen overlay */
.fullscreen-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    /* Background will be set via JavaScript */
    z-index: 1000;
    overflow-y: auto;
    padding: 60px 40px 40px;
}

.exit-fullscreen {
    position: fixed;
    top: 20px;
    right: 20px;
    width: 40px;
    height: 40px;
    font-size: 30px;
    line-height: 1;
    background: white;
    border: 2px solid #ddd;
    border-radius: 50%;
    cursor: pointer;
    z-index: 1001;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
}

.exit-fullscreen:hover {
    background: #f0f0f0;
    border-color: #999;
}

.fullscreen-content {
    max-width: 900px;
    margin: 0 auto;
}

/* Ensure styles apply in fullscreen mode */
.fullscreen-content h1,
.fullscreen-content h2,
.fullscreen-content h3,
.fullscreen-content h4,
.fullscreen-content h5,
.fullscreen-content h6,
.fullscreen-content p,
.fullscreen-content blockquote,
.fullscreen-content li,
.fullscreen-content strong,
.fullscreen-content em,
.fullscreen-content code {
    /* Styles will be applied dynamically via JavaScript */
}

/* Responsive */
@media (max-width: 768px) {
    .controls-wrapper {
        flex-direction: column;
    }

    .main-content {
        flex-direction: column;
    }

    .editor-container {
        width: 100%;
        border-right: none;
        border-bottom: 1px solid #e0e0e0;
        min-height: 300px;
    }

    .preview-container {
        width: 100%;
    }
}