/* MarkItDown Desktop - Styles */

:root {
    --color-bg: #f5f7fa;
    --color-surface: #ffffff;
    --color-border: #e2e8f0;
    --color-border-hover: #cbd5e1;
    --color-text: #1e293b;
    --color-text-muted: #64748b;
    --color-text-light: #94a3b8;
    --color-primary: #3b82f6;
    --color-primary-hover: #2563eb;
    --color-primary-light: #eff6ff;
    --color-primary-border: #bfdbfe;
    --color-success: #10b981;
    --color-success-bg: #ecfdf5;
    --color-error: #ef4444;
    --color-error-bg: #fef2f2;
    --color-error-border: #fecaca;
    --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --font-mono: "Cascadia Code", "Fira Code", Consolas, "Courier New", monospace;
    --radius: 8px;
    --radius-lg: 12px;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow: 0 1px 3px rgba(0, 0, 0, 0.1), 0 1px 2px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -2px rgba(0, 0, 0, 0.04);
    --transition: 150ms ease;
}

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

[hidden] {
    display: none !important;
}

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-sans);
    color: var(--color-text);
    background: var(--color-bg);
    line-height: 1.6;
    min-height: 100vh;
}

/* App Layout */
.app {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* Header */
.header {
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    padding: 16px 24px;
}

.header__inner {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: 12px;
}

.header__icon {
    color: var(--color-primary);
    flex-shrink: 0;
}

.header__title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-text);
}

.header__subtitle {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    margin-left: auto;
}

.btn--download {
    margin-left: 12px;
    padding: 6px 14px;
    font-size: 0.8rem;
    font-weight: 600;
    background: var(--color-success);
    color: white;
    text-decoration: none;
    border-radius: var(--radius);
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: background var(--transition);
    flex-shrink: 0;
}

.btn--download:hover {
    background: #059669;
}

/* Main Content */
.main {
    flex: 1;
    max-width: 800px;
    width: 100%;
    margin: 0 auto;
    padding: 32px 24px;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

/* Upload Section */
.upload-section {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

/* Drop Zone */
.drop-zone {
    border: 2px dashed var(--color-border);
    border-radius: var(--radius-lg);
    padding: 48px 24px;
    text-align: center;
    cursor: pointer;
    transition: border-color var(--transition), background-color var(--transition);
    background: var(--color-surface);
}

.drop-zone:hover {
    border-color: var(--color-border-hover);
    background: var(--color-bg);
}

.drop-zone--active {
    border-color: var(--color-primary);
    background: var(--color-primary-light);
    border-style: solid;
}

.drop-zone__icon {
    color: var(--color-text-light);
    margin-bottom: 12px;
}

.drop-zone--active .drop-zone__icon {
    color: var(--color-primary);
}

.drop-zone__text {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 4px;
}

.drop-zone__hint {
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

.drop-zone__browse {
    background: none;
    border: none;
    color: var(--color-primary);
    font-size: inherit;
    font-family: inherit;
    cursor: pointer;
    text-decoration: underline;
    padding: 0;
}

.drop-zone__browse:hover {
    color: var(--color-primary-hover);
}

/* File Info */
.file-info {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    background: var(--color-primary-light);
    border: 1px solid var(--color-primary-border);
    border-radius: var(--radius);
    animation: fadeIn 0.2s ease;
}

.file-info__icon {
    color: var(--color-primary);
    flex-shrink: 0;
}

.file-info__name {
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--color-text);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.file-info__size {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    flex-shrink: 0;
}

.file-info__remove {
    margin-left: auto;
    background: none;
    border: none;
    font-size: 1.25rem;
    color: var(--color-text-muted);
    cursor: pointer;
    padding: 0 4px;
    line-height: 1;
    border-radius: 4px;
    transition: color var(--transition), background var(--transition);
}

.file-info__remove:hover {
    color: var(--color-error);
    background: var(--color-error-bg);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    font-size: 0.95rem;
    font-weight: 600;
    font-family: inherit;
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
    transition: all var(--transition);
    line-height: 1;
}

.btn--sm {
    padding: 8px 14px;
    font-size: 0.85rem;
    gap: 6px;
}

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

.btn--primary:hover:not(:disabled) {
    background: var(--color-primary-hover);
    box-shadow: var(--shadow);
}

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

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

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

.btn--ghost {
    background: transparent;
    color: var(--color-text-muted);
}

.btn--ghost:hover {
    background: var(--color-bg);
    color: var(--color-text);
}

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

/* Loader */
.loader {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
    padding: 48px 24px;
    animation: fadeIn 0.3s ease;
}

.loader__spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--color-border);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

.loader__text {
    font-size: 0.95rem;
    color: var(--color-text-muted);
}

/* Error Message */
.error-message {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    background: var(--color-error-bg);
    border: 1px solid var(--color-error-border);
    border-radius: var(--radius);
    animation: fadeIn 0.2s ease;
}

.error-message__icon {
    color: var(--color-error);
    flex-shrink: 0;
}

.error-message__text {
    font-size: 0.9rem;
    color: var(--color-error);
    flex: 1;
}

.error-message__dismiss {
    background: none;
    border: none;
    font-size: 1.25rem;
    color: var(--color-error);
    cursor: pointer;
    padding: 0 4px;
    line-height: 1;
    opacity: 0.6;
    transition: opacity var(--transition);
}

.error-message__dismiss:hover {
    opacity: 1;
}

/* Output Section */
.output-section {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
    animation: fadeIn 0.3s ease;
}

.output-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 16px;
    border-bottom: 1px solid var(--color-border);
    background: var(--color-bg);
    flex-wrap: wrap;
    gap: 8px;
}

.output-tabs {
    display: flex;
    gap: 4px;
}

.tab {
    padding: 8px 16px;
    font-size: 0.85rem;
    font-weight: 500;
    font-family: inherit;
    background: transparent;
    border: none;
    border-radius: 6px;
    color: var(--color-text-muted);
    cursor: pointer;
    transition: all var(--transition);
}

.tab:hover {
    color: var(--color-text);
    background: var(--color-surface);
}

.tab--active {
    color: var(--color-primary);
    background: var(--color-surface);
    box-shadow: var(--shadow-sm);
}

.output-actions {
    display: flex;
    gap: 8px;
}

.output-content {
    max-height: 600px;
    overflow-y: auto;
}

.output-pane {
    padding: 24px;
}

/* Raw Markdown */
.output-pane pre {
    margin: 0;
    white-space: pre-wrap;
    word-wrap: break-word;
}

.output-pane pre code {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    line-height: 1.7;
    color: var(--color-text);
}

/* Markdown Body Styles */
.markdown-body {
    font-size: 0.95rem;
    line-height: 1.7;
    color: var(--color-text);
}

.markdown-body h1,
.markdown-body h2,
.markdown-body h3,
.markdown-body h4,
.markdown-body h5,
.markdown-body h6 {
    margin-top: 1.5em;
    margin-bottom: 0.5em;
    font-weight: 700;
    line-height: 1.3;
}

.markdown-body h1 { font-size: 1.5em; border-bottom: 1px solid var(--color-border); padding-bottom: 0.3em; }
.markdown-body h2 { font-size: 1.3em; border-bottom: 1px solid var(--color-border); padding-bottom: 0.3em; }
.markdown-body h3 { font-size: 1.15em; }
.markdown-body h4 { font-size: 1.05em; }
.markdown-body h5 { font-size: 0.95em; }
.markdown-body h6 { font-size: 0.9em; color: var(--color-text-muted); }

.markdown-body p {
    margin-bottom: 1em;
}

.markdown-body a {
    color: var(--color-primary);
    text-decoration: none;
}

.markdown-body a:hover {
    text-decoration: underline;
}

.markdown-body strong {
    font-weight: 700;
}

.markdown-body em {
    font-style: italic;
}

.markdown-body code {
    font-family: var(--font-mono);
    font-size: 0.875em;
    padding: 2px 6px;
    background: var(--color-bg);
    border-radius: 4px;
    border: 1px solid var(--color-border);
}

.markdown-body pre {
    margin-bottom: 1em;
    padding: 16px;
    background: #1e293b;
    border-radius: var(--radius);
    overflow-x: auto;
}

.markdown-body pre code {
    padding: 0;
    background: none;
    border: none;
    color: #e2e8f0;
    font-size: 0.85rem;
    line-height: 1.6;
}

.markdown-body blockquote {
    margin: 0 0 1em;
    padding: 8px 16px;
    border-left: 4px solid var(--color-primary-border);
    background: var(--color-primary-light);
    color: var(--color-text-muted);
}

.markdown-body blockquote p:last-child {
    margin-bottom: 0;
}

.markdown-body ul,
.markdown-body ol {
    margin-bottom: 1em;
    padding-left: 2em;
}

.markdown-body li {
    margin-bottom: 0.25em;
}

.markdown-body table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 1em;
    font-size: 0.9rem;
}

.markdown-body th,
.markdown-body td {
    padding: 8px 12px;
    border: 1px solid var(--color-border);
    text-align: left;
}

.markdown-body th {
    background: var(--color-bg);
    font-weight: 600;
}

.markdown-body tr:nth-child(even) {
    background: var(--color-bg);
}

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

.markdown-body img {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius);
}

/* Footer */
.footer {
    padding: 16px 24px;
    text-align: center;
    font-size: 0.8rem;
    color: var(--color-text-light);
    border-top: 1px solid var(--color-border);
    background: var(--color-surface);
}

.footer p {
    margin-bottom: 4px;
}

.footer p:last-child {
    margin-bottom: 0;
}

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

.footer__credit a:hover {
    text-decoration: underline;
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

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

/* Responsive */
@media (max-width: 640px) {
    .header__subtitle {
        display: none;
    }

    .main {
        padding: 20px 16px;
    }

    .drop-zone {
        padding: 32px 16px;
    }

    .output-header {
        flex-direction: column;
        align-items: stretch;
    }

    .output-actions {
        justify-content: stretch;
    }

    .output-actions .btn {
        flex: 1;
    }

    .output-pane {
        padding: 16px;
    }
}