/* ==========================================================================
   PiTools Markdown Studio Live Stylesheet
   ========================================================================== */

:root {
    --md-card-bg: var(--card-bg, #0f172a);
    --md-card-border: var(--card-border, #1e293b);
    --md-body-bg: #090d16;
    --md-header-bg: rgba(0, 0, 0, 0.2);
    --md-text-main: var(--text-main, #f8fafc);
    --md-text-muted: var(--text-muted, #94a3b8);
    --md-btn-bg: rgba(255, 255, 255, 0.05);
    --md-btn-border: #1e293b;
    --md-preview-bg: #0f172a;
    --md-code-bg: rgba(0, 0, 0, 0.4);
    --md-code-border: #1e293b;
    --md-table-th-bg: #1e293b;
    --md-table-border: #334155;
    --md-quote-border: #0ea5e9;
    --md-quote-bg: rgba(14, 165, 233, 0.06);
}

[data-theme="light"] {
    --md-card-bg: #ffffff;
    --md-card-border: #e2e8f0;
    --md-body-bg: #f8fafc;
    --md-header-bg: #f1f5f9;
    --md-text-main: #0f172a;
    --md-text-muted: #64748b;
    --md-btn-bg: #f1f5f9;
    --md-btn-border: #e2e8f0;
    --md-preview-bg: #ffffff;
    --md-code-bg: #f1f5f9;
    --md-code-border: #e2e8f0;
    --md-table-th-bg: #f1f5f9;
    --md-table-border: #e2e8f0;
    --md-quote-border: #0284c7;
    --md-quote-bg: #f0f9ff;
}

.md-studio-container {
    max-width: 1680px;
    margin: 0 auto;
    padding: 0.5rem 0.5rem 2rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

/* Header Hero */
.md-header-hero {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.85rem 1.25rem;
    background: var(--md-card-bg);
    border: 1px solid var(--md-card-border);
    border-radius: 12px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.05);
    flex-wrap: wrap;
    gap: 0.75rem;
}

.md-hero-left {
    display: flex;
    align-items: center;
    gap: 0.85rem;
}

.md-hero-icon {
    width: 44px;
    height: 44px;
    border-radius: 10px;
    background: linear-gradient(135deg, #0ea5e9, #3b82f6);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    color: #ffffff;
    box-shadow: 0 4px 12px rgba(14, 165, 233, 0.35);
    flex-shrink: 0;
}

.md-hero-title {
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--md-text-main);
    margin: 0 0 0.15rem 0;
    letter-spacing: -0.3px;
}

.md-hero-sub {
    font-size: 0.82rem;
    color: var(--md-text-muted);
    margin: 0;
}

.md-hero-badges {
    display: flex;
    gap: 0.4rem;
    flex-wrap: wrap;
}

.md-badge {
    padding: 0.25rem 0.6rem;
    border-radius: 20px;
    font-size: 0.72rem;
    font-weight: 700;
    background: rgba(14, 165, 233, 0.12);
    color: #0ea5e9;
    border: 1px solid rgba(14, 165, 233, 0.25);
}

/* Toolbar Card */
.md-toolbar-card {
    background: var(--md-card-bg);
    border: 1px solid var(--md-card-border);
    border-radius: 10px;
    padding: 0.45rem 0.65rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 0.5rem;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.05);
}

.md-toolbar-group {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    flex-wrap: wrap;
}

.md-toolbar-sep {
    width: 1px;
    height: 18px;
    background: var(--md-card-border);
    margin: 0 0.2rem;
}

.md-tool-btn {
    padding: 0.25rem 0.45rem;
    min-width: 28px;
    height: 28px;
    border-radius: 4px;
    border: 1px solid var(--md-btn-border);
    background: var(--md-btn-bg);
    color: var(--md-text-main);
    font-size: 0.75rem;
    font-weight: 700;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: all 0.12s ease;
}

.md-tool-btn:hover {
    border-color: #0ea5e9;
    color: #0ea5e9;
    background: rgba(14, 165, 233, 0.1);
}

.md-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.3rem;
    padding: 0.35rem 0.65rem;
    font-size: 0.76rem;
    font-weight: 700;
    border-radius: 6px;
    border: 1px solid var(--md-btn-border);
    background: var(--md-btn-bg);
    color: var(--md-text-main);
    cursor: pointer;
    transition: all 0.15s ease;
    user-select: none;
}

.md-btn:hover {
    border-color: #0ea5e9;
    color: #0ea5e9;
}

.md-btn.btn-primary {
    background: linear-gradient(135deg, #0ea5e9, #2563eb);
    color: #ffffff;
    border-color: transparent;
    box-shadow: 0 2px 8px rgba(14, 165, 233, 0.3);
}

.md-btn.btn-danger {
    background: rgba(239, 68, 68, 0.12);
    color: #ef4444;
    border-color: rgba(239, 68, 68, 0.25);
}

.md-upload-label {
    cursor: pointer;
}

/* Dropdown */
.md-dropdown-wrapper {
    position: relative;
    display: inline-block;
}

.md-dropdown-menu {
    position: absolute;
    top: calc(100% + 2px);
    right: 0;
    background: var(--md-card-bg);
    border: 1px solid var(--md-card-border);
    border-radius: 8px;
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.35);
    padding: 6px;
    min-width: 250px;
    z-index: 1000;
    display: none;
    flex-direction: column;
    gap: 3px;
}

/* Invisible bridge so mouse hover is never lost when moving from button to menu */
.md-dropdown-menu::before {
    content: '';
    position: absolute;
    top: -8px;
    left: 0;
    right: 0;
    height: 8px;
}

.md-dropdown-wrapper:hover .md-dropdown-menu,
.md-dropdown-menu.show {
    display: flex;
}


.md-dropdown-item {
    background: transparent;
    border: none;
    text-align: left;
    padding: 6px 10px;
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--md-text-main);
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.1s ease;
}

.md-dropdown-item:hover {
    background: rgba(14, 165, 233, 0.12);
    color: #0ea5e9;
}

/* Mobile Switcher */
.md-mobile-tabs {
    display: none;
    gap: 0.4rem;
    margin-bottom: 0.25rem;
}

.md-mobile-tab {
    flex: 1;
    padding: 0.4rem 0.6rem;
    border-radius: 6px;
    border: 1px solid var(--md-btn-border);
    background: var(--md-btn-bg);
    color: var(--md-text-main);
    font-size: 0.78rem;
    font-weight: 700;
    cursor: pointer;
}

.md-mobile-tab.active {
    background: #0ea5e9;
    color: #ffffff;
    border-color: transparent;
}

/* Main Workspace Grid */
.md-workspace-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
    min-height: 540px;
}

.md-pane {
    background: var(--md-card-bg);
    border: 1px solid var(--md-card-border);
    border-radius: 10px;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.05);
}

.md-pane-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.4rem 0.65rem;
    background: var(--md-header-bg);
    border-bottom: 1px solid var(--md-card-border);
    gap: 0.5rem;
}

.md-pane-title {
    font-size: 0.8rem;
    font-weight: 800;
    color: var(--md-text-main);
}

.md-pane-actions {
    display: flex;
    gap: 0.3rem;
}

.md-pane-btn {
    padding: 0.2rem 0.55rem;
    font-size: 0.72rem;
    font-weight: 700;
    border-radius: 4px;
    border: 1px solid var(--md-btn-border);
    background: var(--md-btn-bg);
    color: var(--md-text-main);
    cursor: pointer;
    transition: all 0.12s ease;
}

.md-pane-btn:hover {
    border-color: #0ea5e9;
    color: #0ea5e9;
}

/* Editor & Preview Wrappers */
.md-editor-wrapper,
.md-preview-wrapper {
    flex: 1;
    min-height: 500px;
    max-height: 720px;
    overflow-y: auto;
    background: var(--md-body-bg);
    position: relative;
}

.md-textarea {
    width: 100%;
    height: 100%;
    min-height: 500px;
    background: transparent;
    border: none;
    outline: none;
    resize: none;
    padding: 0.85rem;
    font-family: 'JetBrains Mono', 'Fira Code', Consolas, Monaco, monospace;
    font-size: 0.88rem;
    line-height: 1.6;
    color: var(--md-text-main);
    tab-size: 4;
}

/* =========================================================================
   MARKDOWN RENDERED TYPOGRAPHY PREVIEW
   ========================================================================= */
.md-preview-wrapper {
    background: var(--md-preview-bg);
    padding: 1.25rem 1.5rem;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    font-size: 0.95rem;
    line-height: 1.7;
    color: var(--md-text-main);
}

.md-preview-wrapper h1,
.md-preview-wrapper h2,
.md-preview-wrapper h3,
.md-preview-wrapper h4,
.md-preview-wrapper h5,
.md-preview-wrapper h6 {
    color: var(--md-text-main);
    font-weight: 800;
    margin-top: 1.25rem;
    margin-bottom: 0.5rem;
    line-height: 1.3;
}

.md-preview-wrapper h1 { font-size: 1.6rem; border-bottom: 1px solid var(--md-card-border); padding-bottom: 0.35rem; }
.md-preview-wrapper h2 { font-size: 1.3rem; border-bottom: 1px solid var(--md-card-border); padding-bottom: 0.25rem; }
.md-preview-wrapper h3 { font-size: 1.1rem; }
.md-preview-wrapper h4 { font-size: 0.95rem; }

.md-preview-wrapper p {
    margin-top: 0;
    margin-bottom: 0.85rem;
}

.md-preview-wrapper a {
    color: #0ea5e9;
    text-decoration: none;
    font-weight: 600;
}

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

.md-preview-wrapper strong {
    font-weight: 800;
}

.md-preview-wrapper em {
    font-style: italic;
}

.md-preview-wrapper del {
    text-decoration: line-through;
    color: var(--md-text-muted);
}

.md-preview-wrapper blockquote {
    margin: 0.75rem 0;
    padding: 0.5rem 1rem;
    border-left: 4px solid var(--md-quote-border);
    background: var(--md-quote-bg);
    border-radius: 0 6px 6px 0;
    color: var(--md-text-main);
}

.md-preview-wrapper ul,
.md-preview-wrapper ol {
    padding-left: 1.5rem;
    margin-bottom: 0.85rem;
}

.md-preview-wrapper li {
    margin-bottom: 0.25rem;
}

/* Task Checklists */
.md-preview-wrapper ul.task-list {
    list-style: none;
    padding-left: 0;
}

.md-preview-wrapper li.task-list-item {
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.md-preview-wrapper li.task-list-item input[type="checkbox"] {
    accent-color: #0ea5e9;
    cursor: default;
}

/* Code & Code blocks */
.md-preview-wrapper code {
    font-family: 'JetBrains Mono', 'Fira Code', Consolas, Monaco, monospace;
    font-size: 0.84rem;
    background: var(--md-code-bg);
    border: 1px solid var(--md-code-border);
    padding: 2px 6px;
    border-radius: 4px;
    color: #0ea5e9;
}

.md-preview-wrapper pre {
    background: var(--md-code-bg);
    border: 1px solid var(--md-code-border);
    border-radius: 8px;
    padding: 0.85rem;
    overflow-x: auto;
    margin: 0.75rem 0 1rem;
}

.md-preview-wrapper pre code {
    background: transparent;
    border: none;
    padding: 0;
    color: var(--md-text-main);
    display: block;
    line-height: 1.5;
}

/* Tables */
.md-preview-wrapper table {
    width: 100%;
    border-collapse: collapse;
    margin: 0.75rem 0 1rem;
    font-size: 0.85rem;
}

.md-preview-wrapper th {
    background: var(--md-table-th-bg);
    color: var(--md-text-main);
    font-weight: 700;
    text-align: left;
    padding: 7px 10px;
    border: 1px solid var(--md-table-border);
}

.md-preview-wrapper td {
    padding: 6px 10px;
    border: 1px solid var(--md-table-border);
}

.md-preview-wrapper tr:nth-child(even) td {
    background: rgba(0, 0, 0, 0.02);
}

[data-theme="dark"] .md-preview-wrapper tr:nth-child(even) td {
    background: rgba(255, 255, 255, 0.02);
}

.md-preview-wrapper hr {
    border: none;
    border-top: 1px solid var(--md-card-border);
    margin: 1.25rem 0;
}

.md-preview-wrapper img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    margin: 0.5rem 0;
}

/* Statusbar */
.md-statusbar {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.35rem 0.85rem;
    background: var(--md-card-bg);
    border: 1px solid var(--md-card-border);
    border-radius: 6px;
    font-size: 0.74rem;
    color: var(--md-text-muted);
    flex-wrap: wrap;
}

.md-status-item strong {
    color: #0ea5e9;
}

.md-status-right {
    margin-left: auto;
    font-weight: 700;
    color: #10b981;
}

/* SEO Info Section */
.md-info-section {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-top: 1rem;
}

.md-info-card {
    background: var(--md-card-bg);
    border: 1px solid var(--md-card-border);
    border-radius: 10px;
    padding: 1rem 1.25rem;
}

.md-info-card h2,
.md-info-card h3 {
    color: var(--md-text-main);
    margin: 0 0 0.45rem 0;
    font-size: 1rem;
}

.md-info-card p,
.md-info-card ul {
    color: var(--md-text-muted);
    font-size: 0.82rem;
    line-height: 1.6;
    margin: 0;
}

.md-info-card ul {
    padding-left: 1.25rem;
}

.md-info-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
}

.md-guide-link {
    color: #0ea5e9;
    font-weight: 700;
    text-decoration: none;
    font-size: 0.82rem;
}

.md-guide-link:hover {
    text-decoration: underline;
}

/* =========================================================================
   PRINT / PDF EXPORT MEDIA STYLES
   ========================================================================= */
@media print {
    body * {
        visibility: hidden;
    }
    .app-header,
    .app-footer,
    .md-header-hero,
    .md-toolbar-card,
    .md-mobile-tabs,
    .md-editor-pane,
    .md-pane-header,
    .md-statusbar,
    .md-info-section {
        display: none !important;
    }

    .md-studio-container,
    .md-workspace-grid,
    .md-preview-pane,
    .md-preview-wrapper,
    .md-preview-wrapper * {
        visibility: visible;
    }

    .md-studio-container {
        padding: 0 !important;
        margin: 0 !important;
        max-width: 100% !important;
    }

    .md-workspace-grid {
        display: block !important;
    }

    .md-preview-pane {
        border: none !important;
        box-shadow: none !important;
        background: #ffffff !important;
    }

    .md-preview-wrapper {
        position: absolute;
        left: 0;
        top: 0;
        width: 100% !important;
        max-height: none !important;
        padding: 0 !important;
        color: #000000 !important;
        background: #ffffff !important;
    }

    .md-preview-wrapper a {
        color: #000000 !important;
        text-decoration: underline;
    }
}

/* Responsive Mobile Rules */
@media (max-width: 900px) {
    .md-mobile-tabs {
        display: flex;
    }

    .md-workspace-grid {
        grid-template-columns: 1fr;
    }

    .md-editor-pane,
    .md-preview-pane {
        display: none;
    }

    .md-editor-pane.active-pane-mobile,
    .md-preview-pane.active-pane-mobile {
        display: flex;
    }

    .md-info-grid {
        grid-template-columns: 1fr;
    }

    .md-editor-wrapper,
    .md-preview-wrapper {
        min-height: 380px;
        max-height: 480px;
    }

    .md-textarea {
        min-height: 380px;
    }
}