/* ═══════════════════════════════════════════════
   EasyContentFromAI — MD to PDF Tool
   Styles scoped exclusively to /md-to-pdf page.
   Loaded ONLY on MdToPdf/Index via layout section.
   Depends on: base.css (tokens, reset, shared)
   ═══════════════════════════════════════════════ */

/* ═══════════════════════════════════════════════
   HERO
   ═══════════════════════════════════════════════ */
.mdpdf-hero {
    position:        relative;
    display:         flex;
    flex-direction:  column;
    align-items:     center;
    justify-content: center;
    text-align:      center;
    padding:         110px 24px 80px;
    border-bottom:   1px solid var(--border);
    background:      var(--bg);
    overflow:        hidden;
}

/* Background glow */
.mdpdf-hero::before {
    content: '';
    position: absolute;
    top: -50%;
    left: 50%;
    width: 900px;
    height: 900px;
    background: radial-gradient(circle, rgba(59,130,246,0.06) 0%, rgba(255,255,255,0) 65%);
    transform: translateX(-50%);
    pointer-events: none;
    z-index: 0;
}

.mdpdf-hero > * {
    position: relative;
    z-index: 1;
}

.hero-eyebrow {
    font-size:      0.75rem;
    font-weight:    700;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color:          var(--primary-dk);
    background:     var(--primary-bg);
    border:         1px solid var(--primary-bd);
    padding:        4px 14px;
    border-radius:  20px;
    margin-bottom:  24px;
    box-shadow:     0 2px 8px rgba(59, 130, 246, 0.08);
}

.hero-title {
    font-size:      clamp(2.5rem, 5vw, 4rem);
    font-weight:    800;
    color:          var(--text);
    line-height:    1.1;
    letter-spacing: -0.03em;
    margin-bottom:  24px;
    max-width:      800px;
}

.hero-title-accent {
    background: -webkit-linear-gradient(135deg, var(--primary) 0%, #8b5cf6 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline-block;
}

.hero-sub {
    font-size:      clamp(1.125rem, 2vw, 1.25rem);
    color:          var(--text-2);
    line-height:    1.6;
    max-width:      600px;
    margin-bottom:  40px;
}

#heroScrollBtn {
    transition: transform 0.2s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.2s ease;
    box-shadow: 0 4px 14px rgba(59, 130, 246, 0.25);
}

#heroScrollBtn:hover {
    transform: translateY(-2px) scale(1.02);
    box-shadow: 0 6px 20px rgba(59, 130, 246, 0.35);
}

#heroScrollBtn svg {
    transition: transform 0.2s ease;
}

#heroScrollBtn:hover svg {
    transform: translateY(2px);
}

/* ═══════════════════════════════════════════════
   WORKSPACE OUTER WRAPPER
   ═══════════════════════════════════════════════ */
.mdpdf-workspace {
    padding:       24px 48px;
    background:    var(--bg);
    border-bottom: 1px solid var(--border);
}

.mdpdf-workspace-inner {
    display:               grid;
    grid-template-columns: 1fr 1fr;
    gap:                   16px;
    width:                 100%;
    max-width:             var(--container);
    margin-inline:         auto;
}

/* ═══════════════════════════════════════════════
   PANEL — SHARED (editor + preview)
   ═══════════════════════════════════════════════ */
.mdpdf-panel {
    display:        flex;
    flex-direction: column;
    background:     var(--surface);
    border:         1px solid var(--border);
    border-radius:  var(--r-lg);
    overflow:       hidden;
    min-height:     520px;
}

.mdpdf-panel-header {
    display:         flex;
    align-items:     center;
    justify-content: space-between;
    padding:         10px 14px;
    border-bottom:   1px solid var(--border);
    background:      var(--surface-2);
    flex-shrink:     0;
}

.mdpdf-panel-label {
    display:        flex;
    align-items:    center;
    gap:            6px;
    font-size:      0.6875rem;
    font-weight:    700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color:          var(--text-3);
}

.mdpdf-panel-actions {
    display:     flex;
    align-items: center;
    gap:         6px;
}

/* ═══════════════════════════════════════════════
   LIVE BADGE
   ═══════════════════════════════════════════════ */
.mdpdf-live-badge {
    display:        inline-flex;
    align-items:    center;
    gap:            5px;
    font-size:      0.6875rem;
    font-weight:    700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color:          var(--success);
    background:     #f0fdf4;
    border:         1px solid #bbf7d0;
    border-radius:  20px;
    padding:        2px 8px;
}

.mdpdf-live-dot {
    width:         5px;
    height:        5px;
    border-radius: 50%;
    background:    var(--success);
    flex-shrink:   0;
}

/* ═══════════════════════════════════════════════
   EDITOR PANEL
   ═══════════════════════════════════════════════ */
.mdpdf-editor-body {
    display:        flex;
    flex-direction: column;
    flex:           1;
    overflow:       hidden;
}

.mdpdf-textarea {
    flex:        1;
    width:       100%;
    padding:     16px;
    font-family: var(--mono);
    font-size:   0.875rem;
    line-height: 1.65;
    color:       var(--text);
    background:  var(--surface);
    border:      none;
    resize:      none;
    outline:     none;
    min-height:  440px;
}
.mdpdf-textarea::placeholder {
    color: var(--text-3);
}
.mdpdf-textarea:focus {
    background: var(--surface);
}

.mdpdf-editor-footer {
    display:         flex;
    align-items:     center;
    justify-content: space-between;
    padding:         8px 14px;
    border-top:      1px solid var(--border);
    background:      var(--surface-2);
    flex-shrink:     0;
}

.mdpdf-char-count {
    font-size:            0.75rem;
    color:                var(--text-3);
    font-variant-numeric: tabular-nums;
}

.mdpdf-editor-hint {
    font-size: 0.75rem;
    color:     var(--text-3);
}

/* ═══════════════════════════════════════════════
   PREVIEW PANEL
   ═══════════════════════════════════════════════ */
.mdpdf-preview-body {
    flex:       1;
    overflow-y: auto;
    position:   relative;
}
.mdpdf-preview-body::-webkit-scrollbar {
    width: 4px;
}
.mdpdf-preview-body::-webkit-scrollbar-thumb {
    background:    var(--border-md);
    border-radius: 4px;
}

/* Empty state */
.mdpdf-preview-empty {
    display:         flex;
    flex-direction:  column;
    align-items:     center;
    justify-content: center;
    gap:             10px;
    height:          100%;
    min-height:      440px;
    color:           var(--text-3);
    text-align:      center;
    padding:         32px;
}
.mdpdf-preview-empty p {
    font-size:   0.9375rem;
    font-weight: 500;
    color:       var(--text-3);
}
.mdpdf-preview-empty-hint {
    font-size:   0.8125rem !important;
    font-weight: 400 !important;
    color:       var(--text-3) !important;
}

/* ═══════════════════════════════════════════════
   RENDERED MARKDOWN BODY
   ═══════════════════════════════════════════════ */
.mdpdf-preview-content.markdown-body {
    padding:     20px 24px;
    font-size:   0.9375rem;
    line-height: 1.7;
    color:       var(--text);
}

/* Headings */
.mdpdf-preview-content.markdown-body h1,
.mdpdf-preview-content.markdown-body h2,
.mdpdf-preview-content.markdown-body h3,
.mdpdf-preview-content.markdown-body h4,
.mdpdf-preview-content.markdown-body h5,
.mdpdf-preview-content.markdown-body h6 {
    font-weight:   700;
    letter-spacing: -0.02em;
    line-height:   1.3;
    margin-top:    1.5em;
    margin-bottom: 0.5em;
    color:         var(--text);
}

.mdpdf-preview-content.markdown-body h1 {
    font-size:      1.75rem;
    border-bottom:  2px solid var(--border);
    padding-bottom: 0.3em;
    margin-top:     0;
}
.mdpdf-preview-content.markdown-body h2 {
    font-size:      1.35rem;
    border-bottom:  1px solid var(--border);
    padding-bottom: 0.2em;
}
.mdpdf-preview-content.markdown-body h3 { font-size: 1.1rem; }
.mdpdf-preview-content.markdown-body h4 { font-size: 1rem; }
.mdpdf-preview-content.markdown-body h5 { font-size: 0.9rem; }
.mdpdf-preview-content.markdown-body h6 {
    font-size: 0.85rem;
    color:     var(--text-2);
}

/* Paragraph */
.mdpdf-preview-content.markdown-body p {
    margin-bottom: 0.9em;
}

/* Links */
.mdpdf-preview-content.markdown-body a {
    color:           var(--primary);
    text-decoration: underline;
}

/* Inline emphasis */
.mdpdf-preview-content.markdown-body strong { font-weight: 700; }
.mdpdf-preview-content.markdown-body em     { font-style: italic; }

/* Lists */
.mdpdf-preview-content.markdown-body ul,
.mdpdf-preview-content.markdown-body ol {
    padding-left:  1.5em;
    margin-bottom: 0.9em;
}
.mdpdf-preview-content.markdown-body li {
    margin-bottom: 0.2em;
}

/* Blockquote */
.mdpdf-preview-content.markdown-body blockquote {
    border-left:   4px solid var(--primary);
    background:    var(--primary-bg);
    margin:        1em 0;
    padding:       0.6em 1em;
    color:         var(--text-2);
    border-radius: 0 var(--r-sm) var(--r-sm) 0;
}
.mdpdf-preview-content.markdown-body blockquote p:last-child {
    margin-bottom: 0;
}

/* Inline code */
.mdpdf-preview-content.markdown-body code {
    font-family:   var(--mono);
    font-size:     0.85em;
    background:    var(--surface-2);
    color:         #be185d;
    padding:       0.15em 0.4em;
    border-radius: 4px;
    border:        1px solid var(--border);
}

/* Code block */
.mdpdf-preview-content.markdown-body pre {
    background:  #1e293b;
    color:       #e2e8f0;
    border-radius: var(--r);
    padding:     14px 16px;
    overflow-x:  auto;
    margin:      1em 0;
    border:      1px solid #334155;
}
.mdpdf-preview-content.markdown-body pre code {
    background:   transparent;
    color:        inherit;
    border:       none;
    padding:      0;
    font-size:    0.875rem;
}

/* Table */
.mdpdf-preview-content.markdown-body table {
    width:           100%;
    border-collapse: collapse;
    margin:          1em 0;
    font-size:       0.875rem;
}
.mdpdf-preview-content.markdown-body th {
    background:  var(--surface-2);
    font-weight: 700;
    text-align:  left;
    padding:     8px 12px;
    border:      1px solid var(--border);
    color:       var(--text);
}
.mdpdf-preview-content.markdown-body td {
    padding: 7px 12px;
    border:  1px solid var(--border);
    color:   var(--text-2);
}
.mdpdf-preview-content.markdown-body tr:nth-child(even) td {
    background: var(--surface-2);
}

/* Horizontal rule */
.mdpdf-preview-content.markdown-body hr {
    border:        none;
    border-top:    2px solid var(--border);
    margin:        1.5em 0;
}

/* Images */
.mdpdf-preview-content.markdown-body img {
    max-width:     100%;
    height:        auto;
    border-radius: var(--r-sm);
}

/* Parse error banner */
.mdpdf-parse-error {
    color:         var(--error);
    font-size:     0.875rem;
    padding:       12px;
    background:    var(--error-bg);
    border:        1px solid var(--error-bd);
    border-radius: var(--r-sm);
}

/* ═══════════════════════════════════════════════
   ACTIONS BAR (sticky bottom)
   ═══════════════════════════════════════════════ */
.mdpdf-actions-bar {
    position:   sticky;
    bottom:     0;
    z-index:    10;
    background: var(--surface);
    border-top: 1px solid var(--border);
    box-shadow: 0 -2px 12px rgba(0, 0, 0, 0.06);
    padding:    14px 0;
}

.mdpdf-actions-inner {
    display:         flex;
    align-items:     center;
    justify-content: space-between;
    gap:             16px;
}

.mdpdf-actions-info {
    display:     flex;
    align-items: center;
    gap:         7px;
    font-size:   0.875rem;
    color:       var(--text-2);
    flex:        1;
    min-width:   0;
}
.mdpdf-actions-info svg {
    flex-shrink: 0;
    color:       var(--text-3);
}

.mdpdf-actions-buttons {
    display:     flex;
    align-items: center;
    gap:         10px;
    flex-shrink: 0;
}

/* ═══════════════════════════════════════════════
   SPIN ANIMATION (generate button busy state)
   ═══════════════════════════════════════════════ */
@keyframes mdpdf-spin {
    to { transform: rotate(360deg); }
}

.spin {
    animation:        mdpdf-spin 0.8s linear infinite;
    transform-origin: center;
}

/* ═══════════════════════════════════════════════
   HOW IT WORKS (info section below workspace)
   ═══════════════════════════════════════════════ */
.transcript-how {
    background: var(--bg);
}

.how-steps {
    list-style:     none;
    max-width:      680px;
    margin:         0 auto;
    display:        flex;
    flex-direction: column;
    gap:            32px;
}

.how-step {
    display:     flex;
    align-items: flex-start;
    gap:         20px;
}

.how-step-num {
    flex-shrink:     0;
    width:           40px;
    height:          40px;
    border-radius:   50%;
    background:      var(--primary);
    color:           #fff;
    font-size:       0.875rem;
    font-weight:     700;
    display:         flex;
    align-items:     center;
    justify-content: center;
    margin-top:      2px;
}

.how-step-body {
    flex: 1;
}

.how-step-title {
    font-size:     1rem;
    font-weight:   700;
    color:         var(--text);
    margin-bottom: 6px;
}

.how-step-desc {
    font-size:   0.9375rem;
    color:       var(--text-2);
    line-height: 1.7;
}

.how-step-desc code {
    font-family:   var(--mono);
    font-size:     0.875em;
    background:    var(--surface-2);
    border:        1px solid var(--border);
    border-radius: 4px;
    padding:       1px 5px;
    color:         var(--text);
}

/* ═══════════════════════════════════════════════
   FAQ SECTION (md-to-pdf page)
   ═══════════════════════════════════════════════ */
.lp-faq {
    background: var(--surface);
}

.faq-list {
    max-width:      720px;
    margin:         0 auto;
    display:        flex;
    flex-direction: column;
    gap:            2px;
}

.faq-item {
    border:        1px solid var(--border);
    border-radius: var(--r);
    background:    var(--surface);
    overflow:      hidden;
    transition:    border-color 0.15s;
}
.faq-item[open] {
    border-color: var(--primary-bd);
    background:   var(--primary-bg);
}

.faq-question {
    display:         flex;
    align-items:     center;
    justify-content: space-between;
    padding:         16px 20px;
    font-size:       0.9375rem;
    font-weight:     600;
    color:           var(--text);
    cursor:          pointer;
    list-style:      none;
    user-select:     none;
    gap:             12px;
}
.faq-question::-webkit-details-marker {
    display: none;
}
.faq-question::after {
    content:     "+";
    font-size:   1.25rem;
    font-weight: 400;
    color:       var(--text-3);
    flex-shrink: 0;
    line-height: 1;
}
.faq-item[open] .faq-question::after {
    content: "−";
    color:   var(--primary);
}

.faq-answer {
    padding:     0 20px 16px;
    font-size:   0.9375rem;
    color:       var(--text-2);
    line-height: 1.7;
}
.faq-answer a {
    color:                 var(--primary);
    text-decoration:       underline;
    text-decoration-color: var(--primary-bd);
    text-underline-offset: 2px;
}
.faq-answer a:hover {
    color: var(--primary-dk);
}

/* ═══════════════════════════════════════════════
   RESPONSIVE — MD TO PDF PAGE ONLY
   ═══════════════════════════════════════════════ */

/* ─ Tablet (≤ 1024 px) ──────────────────────── */
@media (max-width: 1024px) {
    .mdpdf-workspace {
        padding: 16px 24px;
    }
}

/* ─ Mobile (≤ 768 px) ───────────────────────── */
@media (max-width: 768px) {
    /* Editor / preview stack vertically */
    .mdpdf-workspace-inner {
        grid-template-columns: 1fr;
    }
    .mdpdf-panel {
        min-height: 380px;
    }
    .mdpdf-textarea {
        min-height: 300px;
    }
    .mdpdf-preview-empty {
        min-height: 280px;
    }

    /* Actions bar */
    .mdpdf-actions-inner {
        flex-direction: column;
        align-items:    flex-start;
        gap:            12px;
    }
    .mdpdf-actions-buttons {
        width: 100%;
    }
    .mdpdf-actions-buttons .btn-primary,
    .mdpdf-actions-buttons .btn-outline {
        flex:            1;
        justify-content: center;
    }

    /* FAQ */
    .faq-question {
        padding:   14px 16px;
        font-size: 0.9rem;
    }
    .faq-answer {
        padding:   0 16px 14px;
        font-size: 0.9rem;
    }

    /* How it works */
    .how-step     { gap: 14px; }
    .how-step-num {
        width:     34px;
        height:    34px;
        font-size: 0.8125rem;
    }
}