/**
 * styles.css
 * Styles for Word to Obsidian Markdown Converter
 */

/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #9b6b4a;
    --primary-hover: #845a3c;
    --secondary-color: #7a7067;
    --secondary-hover: #5e554d;
    --success-color: #6b8f5e;
    --warning-color: #c4903a;
    --error-color: #b85450;
    --bg-color: #f5f0eb;
    --panel-bg: #ffffff;
    --border-color: #ddd5cc;
    --text-color: #2c2520;
    --text-secondary: #7a7067;
    --shadow-sm: 0 1px 2px 0 rgba(44, 37, 32, 0.06);
    --shadow-md: 0 4px 6px -1px rgba(44, 37, 32, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(44, 37, 32, 0.1);
    --radius: 8px;
    --font-mono: 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', Consolas, 'Courier New', monospace;
    --font-serif: Georgia, 'Times New Roman', serif;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--bg-color);
    min-height: 100vh;
}

/* Container */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 1.5rem 2rem;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Header — compact flex row */
header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.25rem;
    position: relative;
}

header h1 {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.subtitle {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-left: 1rem;
}

.header-left {
    display: flex;
    align-items: baseline;
    gap: 0;
}

.header-right {
    position: relative;
}

/* Gear icon button */
.btn-icon {
    background: none;
    border: 1px solid transparent;
    border-radius: calc(var(--radius) / 2);
    padding: 0.4rem;
    cursor: pointer;
    color: var(--text-secondary);
    transition: color 0.2s ease, border-color 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-icon:hover {
    color: var(--primary-color);
    border-color: var(--border-color);
}

.btn-icon svg {
    width: 22px;
    height: 22px;
}

/* Settings popover */
.settings-popover {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    background: var(--panel-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    padding: 0.75rem 1rem;
    z-index: 100;
    min-width: 280px;
}

.settings-popover.hidden {
    display: none;
}

.settings-popover h3 {
    font-family: var(--font-serif);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin-bottom: 0.5rem;
    padding-bottom: 0.4rem;
    border-bottom: 1px solid var(--border-color);
}

.settings-popover .option-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    user-select: none;
    padding: 0.35rem 0.25rem;
    border-radius: calc(var(--radius) / 2);
    transition: background-color 0.15s ease;
}

.settings-popover .option-item:hover {
    background-color: var(--bg-color);
}

.settings-popover .option-item input[type="checkbox"] {
    width: 1rem;
    height: 1rem;
    cursor: pointer;
    accent-color: var(--primary-color);
}

.settings-popover .option-item span {
    font-size: 0.85rem;
    color: var(--text-color);
}

/* Main content */
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

/* Panels container */
.panels {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    flex: 1;
}

/* Panel */
.panel {
    background: var(--panel-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.panel-header {
    padding: 0.75rem 1.25rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: #faf7f4;
}

.panel-header h2 {
    font-family: var(--font-serif);
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-color);
}

/* Input area */
.editable-area {
    flex: 1;
    padding: 1.5rem;
    overflow-y: auto;
    min-height: 400px;
    font-size: 0.95rem;
    line-height: 1.7;
    outline: none;
    background: var(--panel-bg);
}

.editable-area:empty {
    border: 2px dashed var(--border-color);
    border-radius: 0 0 var(--radius) var(--radius);
    margin: 0;
}

.editable-area:empty:before {
    content: attr(data-placeholder);
    color: var(--text-secondary);
    font-style: italic;
}

.editable-area:focus {
    background-color: #fffef9;
}

/* Output area */
.output-textarea {
    flex: 1;
    padding: 1.5rem;
    border: none;
    outline: none;
    font-family: var(--font-mono);
    font-size: 0.9rem;
    line-height: 1.6;
    resize: none;
    background: var(--panel-bg);
    color: var(--text-color);
    min-height: 400px;
}

.output-textarea:focus {
    background-color: #fffef9;
}

/* Output tabs */
.output-tabs {
    display: flex;
    gap: 0;
    margin-right: auto;
}

.output-tab {
    padding: 0.3rem 0.85rem;
    border: 1px solid var(--border-color);
    background: transparent;
    font-size: 0.8rem;
    font-weight: 500;
    cursor: pointer;
    color: var(--text-secondary);
    transition: background-color 0.15s ease, color 0.15s ease;
}

.output-tab:first-child {
    border-radius: calc(var(--radius) / 2) 0 0 calc(var(--radius) / 2);
    border-right: none;
}

.output-tab:last-child {
    border-radius: 0 calc(var(--radius) / 2) calc(var(--radius) / 2) 0;
}

.output-tab[aria-selected="true"] {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
}

.output-tab:not([aria-selected="true"]):hover {
    background-color: var(--bg-color);
}

/* Markdown preview */
.markdown-preview {
    flex: 1;
    padding: 1.5rem;
    overflow-y: auto;
    min-height: 400px;
    font-size: 0.95rem;
    line-height: 1.7;
    background: var(--panel-bg);
    color: var(--text-color);
}

.markdown-preview.hidden {
    display: none;
}

.markdown-preview h1,
.markdown-preview h2,
.markdown-preview h3,
.markdown-preview h4,
.markdown-preview h5,
.markdown-preview h6 {
    font-family: var(--font-serif);
    color: var(--text-color);
    margin-top: 1.4em;
    margin-bottom: 0.5em;
    line-height: 1.3;
}

.markdown-preview h1 { font-size: 1.6rem; }
.markdown-preview h2 { font-size: 1.35rem; }
.markdown-preview h3 { font-size: 1.15rem; }
.markdown-preview h4 { font-size: 1rem; }

.markdown-preview p {
    margin-bottom: 0.8em;
}

.markdown-preview ul,
.markdown-preview ol {
    margin-bottom: 0.8em;
    padding-left: 1.5em;
}

.markdown-preview ul {
    list-style-type: disc;
}

.markdown-preview ol {
    list-style-type: decimal;
}

.markdown-preview ul ul {
    list-style-type: circle;
    margin-bottom: 0.2em;
}

.markdown-preview ul ul ul {
    list-style-type: square;
}

.markdown-preview ol ol {
    list-style-type: lower-alpha;
    margin-bottom: 0.2em;
}

.markdown-preview li {
    display: list-item;
    margin-bottom: 0.25em;
}

.markdown-preview blockquote {
    border-left: 3px solid var(--primary-color);
    padding: 0.5em 1em;
    margin: 0.8em 0;
    color: var(--text-secondary);
    background: #faf7f4;
    border-radius: 0 calc(var(--radius) / 2) calc(var(--radius) / 2) 0;
}

.markdown-preview code {
    font-family: var(--font-mono);
    font-size: 0.85em;
    background: var(--bg-color);
    padding: 0.15em 0.35em;
    border-radius: 3px;
}

.markdown-preview pre {
    background: #2c2520;
    color: #f5f0eb;
    padding: 1em;
    border-radius: calc(var(--radius) / 2);
    overflow-x: auto;
    margin: 0.8em 0;
}

.markdown-preview pre code {
    background: none;
    padding: 0;
    color: inherit;
}

.markdown-preview table {
    width: 100%;
    border-collapse: collapse;
    margin: 0.8em 0;
    font-size: 0.9rem;
}

.markdown-preview th,
.markdown-preview td {
    border: 1px solid var(--border-color);
    padding: 0.5em 0.75em;
    text-align: left;
}

.markdown-preview th {
    background: #faf7f4;
    font-weight: 600;
}

.markdown-preview hr {
    border: none;
    border-top: 1px solid var(--border-color);
    margin: 1.5em 0;
}

.markdown-preview a {
    color: var(--primary-color);
    text-decoration: underline;
}

.markdown-preview img {
    max-width: 100%;
    border-radius: calc(var(--radius) / 2);
}

/* Buttons */
.btn {
    padding: 0.5rem 1rem;
    border: none;
    border-radius: calc(var(--radius) / 2);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.2s ease, border-color 0.2s ease;
    white-space: nowrap;
}

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

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

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

.btn-secondary:hover {
    background-color: var(--bg-color);
    border-color: var(--secondary-color);
}

.actions {
    display: flex;
    gap: 0.5rem;
}

/* Notification */
.notification {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    padding: 1rem 1.5rem;
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    font-size: 0.9rem;
    font-weight: 500;
    z-index: 1000;
    animation: slideIn 0.3s ease;
    max-width: 400px;
}

.notification.hidden {
    display: none;
}

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

.notification.warning {
    background-color: var(--warning-color);
    color: white;
}

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

.notification.info {
    background-color: var(--primary-color);
    color: white;
}

@keyframes slideIn {
    from {
        transform: translateX(400px);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* Footer */
footer {
    margin-top: 1.5rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
    text-align: center;
}

footer p {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

footer a {
    color: var(--primary-color);
    text-decoration: none;
}

footer a:hover {
    text-decoration: underline;
}

/* Scrollbar styling */
.editable-area::-webkit-scrollbar,
.output-textarea::-webkit-scrollbar,
.markdown-preview::-webkit-scrollbar {
    width: 8px;
}

.editable-area::-webkit-scrollbar-track,
.output-textarea::-webkit-scrollbar-track,
.markdown-preview::-webkit-scrollbar-track {
    background: var(--bg-color);
    border-radius: 4px;
}

.editable-area::-webkit-scrollbar-thumb,
.output-textarea::-webkit-scrollbar-thumb,
.markdown-preview::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

.editable-area::-webkit-scrollbar-thumb:hover,
.output-textarea::-webkit-scrollbar-thumb:hover,
.markdown-preview::-webkit-scrollbar-thumb:hover {
    background: var(--secondary-color);
}

/* Responsive design */
@media (max-width: 1024px) {
    .panels {
        grid-template-columns: 1fr;
    }

    .editable-area,
    .output-textarea,
    .markdown-preview {
        min-height: 300px;
    }
}

@media (max-width: 640px) {
    .container {
        padding: 1rem;
    }

    header {
        flex-wrap: wrap;
        gap: 0.5rem;
    }

    header h1 {
        font-size: 1.25rem;
    }

    .subtitle {
        display: none;
    }

    .panel-header {
        flex-direction: column;
        gap: 0.5rem;
        align-items: flex-start;
    }

    .actions {
        width: 100%;
        flex-wrap: wrap;
    }

    .actions .btn {
        flex: 1;
        min-width: 0;
    }

    .settings-popover {
        right: -0.5rem;
        min-width: 260px;
    }

    .notification {
        bottom: 1rem;
        right: 1rem;
        left: 1rem;
        max-width: none;
    }
}

/* Print styles */
@media print {
    header,
    .settings-popover,
    footer,
    .notification {
        display: none;
    }

    .panels {
        display: block;
    }

    .output-panel {
        page-break-before: always;
    }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    :root {
        --border-color: #000;
        --text-secondary: #333;
    }
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
    :root {
        --bg-color: #1c1816;
        --panel-bg: #262019;
        --border-color: #3d3530;
        --text-color: #e8e0d8;
        --text-secondary: #9a8e83;
        --primary-color: #c49070;
        --primary-hover: #b37d5d;
        --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
        --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4);
        --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5);
    }

    .panel-header {
        background-color: #211c16;
    }

    .btn-secondary {
        background-color: var(--panel-bg);
        color: var(--text-color);
    }

    .btn-secondary:hover {
        background-color: #3d3530;
    }

    .editable-area:focus,
    .output-textarea:focus {
        background-color: #2a241d;
    }

    .editable-area:empty {
        border-color: var(--border-color);
    }

    .markdown-preview blockquote {
        background: #211c16;
    }

    .markdown-preview pre {
        background: #141210;
    }

    .markdown-preview th {
        background: #211c16;
    }
}