/* ============================================================
   STYLES for hero + how-it-works variants
   ============================================================ */

@keyframes cursor-blink { 50% { opacity: 0; } }
@keyframes fade-up {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes slide-in-l {
  from { opacity: 0; transform: translateX(-30px); }
  to   { opacity: 1; transform: translateX(0); }
}
@keyframes slide-in-r {
  from { opacity: 0; transform: translateX(30px); }
  to   { opacity: 1; transform: translateX(0); } 
}
@keyframes pulse-soft {
  0%, 100% { transform: scale(1); opacity: 0.6; }
  50% { transform: scale(1.08); opacity: 1; }
}
@keyframes float-blob {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(40px, -30px) scale(1.05); }
  66% { transform: translate(-30px, 20px) scale(0.95); }
}
@keyframes marquee {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}


/* ===================== HERO A ===================== */
.hero-a {
  position: relative;
  padding: 90px 32px 80px;
  overflow: hidden;
  background: var(--white);
  border-bottom: 1px solid var(--border);
}
.hero-a-bg { position: absolute; inset: 0; pointer-events: none; }
.hero-a-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(79,70,229,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(79,70,229,0.04) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse at center top, black 30%, transparent 70%);
}
.hero-a-blob {
  position: absolute; border-radius: 50%; filter: blur(80px);
  animation: float-blob 14s ease-in-out infinite;
}
.hero-a-blob-1 { width: 480px; height: 480px; background: rgba(124,58,237,0.18); top: -120px; left: -100px; }
.hero-a-blob-2 { width: 520px; height: 520px; background: rgba(168,85,247,0.14); bottom: -200px; right: -100px; animation-delay: -7s; }
.hero-a-inner { position: relative; max-width: 880px; margin: 0 auto; text-align: center; }
.hero-a-badge {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 14px;
  border: 1px solid rgba(79,70,229,0.2);
  background: rgba(255,255,255,0.7); backdrop-filter: blur(8px);
  border-radius: 999px;
  font-size: 12px; font-weight: 600; color: var(--brand);
  letter-spacing: 0.4px;
  animation: fade-up 0.6s ease-out;
}
.hero-a-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--brand); animation: pulse-soft 1.6s infinite; }
.hero-a-h1 {
  font-size: clamp(3rem, 7vw, 5.5rem); font-weight: 800; letter-spacing: -3px;
  line-height: 1.02; margin: 22px 0 22px;
  animation: fade-up 0.7s ease-out 0.05s both;
}
.hero-a-accent {
  background: var(--grad-brand);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero-a-cursor { color: var(--brand); animation: cursor-blink 1s step-end infinite; }
.hero-a-p {
  font-size: 19px; color: var(--muted); line-height: 1.6;
  max-width: 560px; margin: 0 auto 32px;
  animation: fade-up 0.7s ease-out 0.15s both;
}
.hero-a-cta { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; animation: fade-up 0.7s ease-out 0.25s both; }
.hero-a-btn {
  padding: 14px 26px; border-radius: 12px; font-size: 15px; font-weight: 600;
  border: none; cursor: pointer; transition: all .2s ease;
  font-family: inherit;
}
.hero-a-btn-primary { background: var(--ink); color: white; box-shadow: 0 8px 24px rgba(11,11,20,0.2); }
.hero-a-btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 32px rgba(11,11,20,0.3); }
.hero-a-btn-ghost { background: transparent; color: var(--text); border: 1.5px solid var(--border); }
.hero-a-btn-ghost:hover { border-color: var(--brand); color: var(--brand); }
.hero-a-meta {
  margin-top: 18px; font-size: 13px; color: var(--muted);
  display: flex; gap: 10px; justify-content: center; flex-wrap: wrap;
  animation: fade-up 0.7s ease-out 0.35s both;
}
.hero-a-meta strong { color: var(--text); }
.hero-a-meta .dot { color: var(--border); }

.hero-a-showcase {
  position: relative;
  display: grid; grid-template-columns: 1fr auto 1fr;
  gap: 24px; align-items: center;
  max-width: 1080px; margin: 60px auto 0;
  animation: fade-up 0.9s ease-out 0.4s both;
  text-align: left;
}
.hero-a-pdf, .hero-a-md { transform-origin: center; transition: transform .5s ease; }
.hero-a-pdf { transform: perspective(1200px) rotateY(8deg); }
.hero-a-md  { transform: perspective(1200px) rotateY(-8deg); }
.hero-a-showcase:hover .hero-a-pdf { transform: perspective(1200px) rotateY(4deg) translateX(-8px); }
.hero-a-showcase:hover .hero-a-md  { transform: perspective(1200px) rotateY(-4deg) translateX(8px); }
.hero-a-pdf .pdf-page { box-shadow: var(--shadow-xl); transform: rotate(-2deg); }
.hero-a-arrow { animation: pulse-soft 2s infinite; }

/* Shared design tokens for ProPDF landing variants */
:root {
  --brand: #4f46e5;
  --brand-2: #7c3aed;
  --brand-3: #a855f7;
  --brand-dark: #3730a3;
  --brand-light: #ede9fe;
  --ink: #0b0b14;
  --ink-2: #1f1f2e;
  --text: #111827;
  --muted: #6b7280;
  --border: #e5e7eb;
  --bg: #f9fafb;
  --white: #ffffff;
  --paper: #fefefe;
  --code-bg: #0f0f1a;
  --success: #16a34a;
  --warning: #d97706;
  --danger: #dc2626;
  --shadow-sm: 0 1px 3px rgba(0,0,0,.08), 0 4px 12px rgba(0,0,0,.06);
  --shadow-md: 0 8px 24px rgba(31, 31, 46, 0.08), 0 2px 6px rgba(31, 31, 46, 0.04);
  --shadow-lg: 0 24px 60px -12px rgba(79, 70, 229, 0.25), 0 8px 24px rgba(0,0,0,0.08);
  --shadow-xl: 0 40px 80px -20px rgba(79, 70, 229, 0.35), 0 20px 40px -10px rgba(0,0,0,0.15);
  --radius: 14px;
  --radius-lg: 20px;
  --grad-brand: linear-gradient(135deg, #4f46e5 0%, #7c3aed 50%, #a855f7 100%);
  --grad-soft: linear-gradient(180deg, #f5f3ff 0%, #ede9fe 100%);
  --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'SF Mono', ui-monospace, 'Menlo', Consolas, monospace;
}

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

body {
  font-family: var(--font-sans);
  background: var(--white);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
}

/* ── File Input ── */
.file-input-wrapper {
  margin: 0 auto 16px;
  max-width: 420px;
  animation: form-reveal 0.8s ease-out 0.3s both;
}

@keyframes form-reveal {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.file-input-wrapper input[type="file"] {
  display: none;
}

.file-label {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 18px 24px;
  border: 2px dashed var(--border);
  border-radius: 14px;
  background: var(--white);
  color: var(--muted);
  cursor: pointer;
  transition: all .25s ease;
  font-size: 15px;
  box-shadow: var(--shadow);
}

.file-label:hover {
  border-color: var(--brand);
  background: linear-gradient(135deg, var(--brand-light) 0%, #f0eeff 100%);
  color: var(--brand);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(79, 70, 229, 0.15);
}

.file-label svg {
  flex-shrink: 0;
}

/* ── Advanced Options Panel ── */
.adv-opts {
  max-width: 420px;
  margin: 0 auto 16px;
  animation: form-reveal 0.8s ease-out 0.25s both;
}

.adv-opts-toggle {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  padding: 12px 18px;
  border: 2px solid var(--border);
  border-radius: var(--radius);
  background: var(--white);
  color: var(--muted);
  cursor: pointer;
  font-size: 14px;
  font-weight: 500;
  transition: all .25s ease;
  box-shadow: var(--shadow);
}

.adv-opts-toggle:hover {
  border-color: var(--brand);
  color: var(--brand);
}

.adv-opts-toggle[aria-expanded="true"] {
  border-color: var(--brand);
  border-bottom-left-radius: 0;
  border-bottom-right-radius: 0;
  border-bottom-style: solid;
  color: var(--brand);
}

.adv-opts-toggle.locked {
  opacity: 0.6;
  cursor: not-allowed;
  border-color: var(--border);
  background: var(--bg);
}

.adv-opts-toggle.locked .adv-opts-gear {
  opacity: 0.5;
}

.adv-opts-toggle-left {
  display: flex;
  align-items: center;
  gap: 8px;
}

.adv-opts-chevron {
  margin-left: auto;
  transition: transform .25s ease;
  font-size: 12px;
}

.adv-opts-toggle[aria-expanded="true"] .adv-opts-chevron {
  transform: rotate(90deg);
}

.adv-opts-badge {
  margin-left: 8px;
  padding: 2px 10px;
  border-radius: 99px;
  font-size: 12px;
  font-weight: 600;
  background: var(--brand-light);
  color: var(--brand);
}

.adv-opts-body {
  display: none;
  border: 2px solid var(--brand);
  border-top: none;
  border-bottom-left-radius: var(--radius);
  border-bottom-right-radius: var(--radius);
  background: var(--white);
  padding: 20px 18px 16px;
  box-shadow: var(--shadow);
}

.adv-opts.open .adv-opts-body,
.adv-opts-body[style*="display: block"] {
  display: block;
}

.adv-opts-section {
  margin-bottom: 16px;
}

.adv-opts-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 10px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.adv-opts-radios {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.adv-opts-radio {
  cursor: pointer;
  display: block;
}

.adv-opts-radio input[type="radio"] {
  display: none;
}

.adv-opts-radio-card {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 12px 16px;
  border: 2px solid var(--border);
  border-radius: 10px;
  transition: all .2s ease;
}

.adv-opts-radio input[type="radio"]:checked + .adv-opts-radio-card {
  border-color: var(--brand);
  background: linear-gradient(135deg, var(--brand-light) 0%, #f0eeff 100%);
}

.adv-opts-radio:hover .adv-opts-radio-card {
  border-color: var(--brand);
}

.adv-opts-radio-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
}

.adv-opts-radio-desc {
  font-size: 12px;
  color: var(--muted);
}

.adv-opts-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  padding-top: 8px;
}

.adv-opts-cancel {
  padding: 8px 18px;
  border: 1.5px solid var(--border);
  border-radius: 8px;
  background: var(--white);
  color: var(--muted);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all .2s ease;
}

.adv-opts-cancel:hover {
  border-color: var(--text);
  color: var(--text);
}

.adv-opts-apply {
  padding: 8px 22px;
  border: none;
  border-radius: 8px;
  background: var(--brand);
  color: #fff;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all .2s ease;
}

.adv-opts-apply:hover {
  background: var(--brand-dark);
}

.adv-opts-cancel:disabled,
.adv-opts-apply:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* ── Email Field Wrapper ── */
.email-field-wrapper {
  max-width: 420px;
  margin: 0 auto 16px;
  animation: form-reveal 0.8s ease-out 0.35s both;
  padding-top: 16px;
}

.email-field-wrapper input[type="email"] {
  width: 100%;
  padding: 14px 18px;
  border: 2px solid var(--border);
  border-radius: 12px;
  font-size: 15px;
  outline: none;
  transition: all .2s ease;
  color: var(--text);
  background: var(--white);
  box-shadow: var(--shadow);
}

.email-field-wrapper input[type="email"]:focus {
  border-color: var(--brand);
  box-shadow: 0 0 0 4px rgba(79, 70, 229, 0.1);
}

.email-hint {
  display: block;
  font-size: 13px;
  color: var(--muted);
  margin-top: 8px;
  text-align: center;
}

.email-field-wrapper .submit-email-btn {
  display: block;
  width: 100%;
  margin-top: 16px;
  padding: 14px 24px;
  font-size: 15px;
  font-weight: 600;
}

.email-sent-message {
  display: block;
  font-size: 14px;
  color: var(--success);
  margin-top: 12px;
  text-align: center;
  font-weight: 500;
}

.convert-form {
  width: 100%;
  max-width: 420px;
  margin: 0 auto;
}

.convert-form .btn-primary {
  animation: btn-reveal 0.8s ease-out 0.4s both;
}

@keyframes btn-reveal {
  from { opacity: 0; transform: scale(0.95); }
  to { opacity: 1; transform: scale(1); }
}

.delete-modal-overlay
{
  display:none; 
  position:fixed; 
  top:0; 
  left:0; 
  right:0; 
  bottom:0; 
  background:rgba(0,0,0,0.5); 
  z-index:1000; 
  align-items:center; 
  justify-content:center;
}

.delete-modal
{
  background:var(--white); 
  border-radius:16px;
  padding:32px; 
  max-width:400px; 
  margin:20px; 
  box-shadow:0 20px 60px rgba(0,0,0,0.3);
}

.delete-modal-header
{
  font-size:20px; 
  font-weight:600; 
  margin-bottom:12px; 
  color:var(--text);
}

.delete-modal-text
{
  font-size:14px; 
  color:var(--muted); 
  margin-bottom:24px; 
  line-height:1.5;
}

.delete-modal-error
{
  display:none; 
  font-size:13px; 
  color:white; 
  margin-bottom:12px;
}

.cancel-delete-btn
{
  flex:1; 
  padding:12px 20px;
  border:1px solid var(--border); 
  background:var(--white); 
  border-radius:10px; 
  font-size:14px; 
  cursor:pointer; 
  transition:all 0.2s ease;
}

.confirm-delete-btn
{
  flex:1; 
  padding:12px 20px;
  border:none; 
  background:var(--danger); 
  color:white; 
  border-radius:10px; 
  font-size:14px; 
  font-weight:500; 
  cursor:pointer; 
  transition:all 0.2s ease;
}

/* ── Recent files (logged in) ── */
.section {
  max-width: 760px;
  margin: 0 auto 60px;
  padding: 0 24px;
}

.section-title {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.file-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 18px;
  border-bottom: 1px solid var(--border);
  gap: 12px;
  transition: background .2s ease;
}

.file-row:hover {
  background: var(--bg);
}

.file-row:last-child {
  border-bottom: none;
}

.file-name {
  font-size: 14px;
  font-weight: 500;
}

.file-meta {
  font-size: 12px;
  color: var(--muted);
  margin-top: 2px;
}

.status-badge {
  font-size: 11px;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 99px;
  white-space: nowrap;
}

.status-completed {
  background: #f0fdf4;
  color: var(--success);
}

.status-processing, .status-queued {
  background: #fffbeb;
  color: var(--warning);
}

.status-pending {
  background: var(--bg);
  color: var(--muted);
}

.status-failed {
  background: #fef2f2;
  color: var(--danger);
}

/* ── Progress Bar Component ── */
.async-progress {
    position: relative;
    display:none; 
    margin-top:12px; 
    padding:16px; 
    background:var(--white); 
    border-radius:12px; 
    border:1px solid var(--border);
}

.async-progress .progress-header
{
  display:flex; 
  justify-content:space-between; 
  align-items:center; 
  margin-bottom:12px;
}

/* Progress step line items */
.auth-view-results-wrapper { padding: 12px 0; }
.async-progress .progress-steps {
    margin: 0 0 12px 0;
    padding: 0;
    list-style: none;
}
.async-progress .progress-step {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--muted);
    font-weight: 500;
    padding: 3px 0;
    opacity: 0;
    transform: translateY(4px);
    animation: step-fade-in 0.3s ease forwards;
}
@keyframes step-fade-in {
    to { opacity: 1; transform: translateY(0); }
}
.async-progress .progress-step.done {
    color: #16a34a;
}
.async-progress .progress-step.active {
    color: var(--text);
}
.async-progress .progress-step .step-icon {
    flex-shrink: 0;
    width: 18px;
    height: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.async-progress .progress-step.done .step-icon {
    color: #16a34a;
}
.async-progress .progress-step.active .step-icon {
    color: #4f46e5;
}
.async-progress .progress-step .step-eta {
    margin-left: auto;
    font-size: 11px;
    color: var(--muted);
    opacity: 0.7;
}
[data-theme="dark"] .async-progress .progress-step.done {
    color: #22c55e;
}
[data-theme="dark"] .async-progress .progress-step.active {
    color: #e5e7eb;
}
[data-theme="dark"] .async-progress .progress-step .step-eta {
    color: #9ca3af;
}

.async-progress .progress-bar-wrapper {
    position: relative;
    margin: 0;
}

.async-progress .progress-bar-container {
    height: 8px;
    background: rgba(79, 70, 229, 0.1);
    border-radius: 4px;
    overflow: hidden;
}

.async-progress .progress-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, #4f46e5 0%, #7c3aed 50%, #a855f7 100%);
    border-radius: 4px;
    transition: width 0.15s ease-out;
    position: relative;
    overflow: hidden;
}

/* Animated shimmer effect on progress bar */
.async-progress .progress-bar-fill::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent 0%, rgba(255,255,255,0.3) 50%, transparent 100%);
    animation: progress-shimmer 1.5s ease-in-out infinite;
}

@keyframes progress-shimmer {
    0% { left: -100%; }
    100% { left: 100%; }
}

/* Progress complete - green checkmark */
.async-progress .progress-checkmark {

    display:none; 
    position:absolute; 
    right:0; 
    top:8px; 
    transform:translateY(-50%); 
    width:24px; 
    height:24px; 
    background:linear-gradient(135deg,#22c55e,#16a34a);
    border-radius:50%; 
    box-shadow:0 2px 8px rgba(34,197,94,0.4);
}

@keyframes checkmark-pop {
    0% { transform: translateY(-50%) scale(0); }
    80% { transform: translateY(-50%) scale(1.1); }
    100% { transform: translateY(-50%) scale(1); }
}

.async-progress .progress-checkmark svg {

    position:absolute; 
    top:50%; 
    left:50%; 
    transform:translate(-50%,-50%);
}

@keyframes checkmark-draw {
    to { stroke-dashoffset: 0; }
}

/* Progress error state - red */
.async-progress.error .progress-bar-fill {
    background: linear-gradient(90deg, #ef4444 0%, #dc2626 100%);
}

.async-progress.error .progress-bar-fill::after {
    display: none;
}

/* Progress text styling */
.async-progress .progress-text {
    font-size: 13px;
    color: var(--muted);
    margin-top: 10px;
    text-align: left;
    font-weight: 500;
}

.async-progress .async-error {
  display:none; 
  margin-top:12px; 
  padding:12px; 
  background:#fef2f2; 
  border:none; 
  border-radius:8px; 
  flex-direction:row; 
  align-items:center; 
  gap:10px;
}

.async-progress .async-error-text {
  font-size:13px; 
  color:white; 
  flex:1;
}

.async-progress .retry-btn {
  background:var(--danger); 
  color:white; 
  border:none; 
  padding:6px 14px; 
  border-radius:6px; 
  font-size:12px;
  font-weight:500; 
  cursor:pointer; 
  white-space:nowrap; 
  flex-shrink:0; 
  transition:opacity 0.2s ease;
}


/* Filename in progress */
.async-progress .progress-filename {
    font-size: 14px;
    font-weight: 600;
    color: var(--text);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.async-progress .delete-upload-btn
{
  display:none; 
  background:var(--danger); 
  border:none; 
  color:white; 
  padding:4px 10px; 
  border-radius:6px; 
  font-size:12px; 
  cursor:pointer; 
  transition:all 0.2s ease;
}

.async-progress .delete-upload-btn svg
{
  vertical-align:middle;
  margin-right:4px;
}

/* ── Dark mode adjustments ── */
/* Nav dark mode */
[data-theme="dark"] nav {
  background: #111827;
  border-bottom-color: #374151;
}
/* Main element dark mode */
[data-theme="dark"] main {
  background: #0f0f1a;
}
/* Hero A dark mode */
[data-theme="dark"] .hero-a {
  background: #0f0f1a;
  border-bottom-color: #374151;
}
[data-theme="dark"] .hero-a-grid {
  background-image: linear-gradient(rgba(99,102,241,0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(99,102,241,0.08) 1px, transparent 1px);
}
[data-theme="dark"] .hero-a-blob-1 {
  background: rgba(99,102,241,0.22);
}
[data-theme="dark"] .hero-a-blob-2 {
  background: rgba(139,92,246,0.18);
}
[data-theme="dark"] .hero-a-badge {
  background: rgba(31,41,55,0.7);
  border-color: rgba(99,102,241,0.3);
  color: var(--brand);
}
[data-theme="dark"] .hero-a-h1 {
  color: #e5e7eb;
}
[data-theme="dark"] .hero-a-p {
  color: #9ca3af;
}
[data-theme="dark"] .hero-a-btn-primary {
  background: var(--brand);
  box-shadow: 0 8px 24px rgba(99,102,241,0.3);
}
[data-theme="dark"] .hero-a-btn-primary:hover {
  box-shadow: 0 12px 32px rgba(99,102,241,0.4);
}
[data-theme="dark"] .hero-a-btn-ghost {
  color: #e5e7eb;
  border-color: #374151;
}
[data-theme="dark"] .hero-a-btn-ghost:hover {
  border-color: var(--brand);
  color: var(--brand);
}
[data-theme="dark"] .hero-a-meta {
  color: #9ca3af;
}
[data-theme="dark"] .hero-a-meta strong {
  color: #d1d5db;
}
/* File input dark mode */
[data-theme="dark"] .file-label {
  background: #1f2937;
  border-color: #374151;
  color: #9ca3af;
}
[data-theme="dark"] .file-label:hover {
  background: linear-gradient(135deg, rgba(99,102,241,0.15) 0%, rgba(124,58,237,0.08) 100%);
  color: var(--brand);
  border-color: var(--brand);
}
[data-theme="dark"] .adv-opts-toggle {
  background: #1f2937;
  border-color: #374151;
  color: #9ca3af;
}
[data-theme="dark"] .adv-opts-toggle:hover,
[data-theme="dark"] .adv-opts-toggle[aria-expanded="true"] {
  background: #1f2937;
  color: var(--brand);
  border-color: var(--brand);
}
[data-theme="dark"] .adv-opts-body {
  background: #1f2937;
  border-color: var(--brand);
  color: #e5e7eb;
}
[data-theme="dark"] .adv-opts-badge {
  background: rgba(99,102,241,0.2);
  color: #e5e7eb;
}
[data-theme="dark"] .adv-opts-radio-card {
  border-color: #374151;
  background: #111827;
}
[data-theme="dark"] .adv-opts-radio input[type="radio"]:checked + .adv-opts-radio-card {
  border-color: var(--brand);
  background: linear-gradient(135deg, rgba(99,102,241,0.15) 0%, rgba(124,58,237,0.08) 100%);
}
[data-theme="dark"] .adv-opts-cancel {
  background: #1f2937;
  border-color: #374151;
  color: #9ca3af;
}
[data-theme="dark"] .adv-opts-cancel:hover {
  border-color: #e5e7eb;
  color: #e5e7eb;
}
/* Radio card text in dark mode */
[data-theme="dark"] .adv-opts-radio-title {
  color: #e5e7eb;
}
[data-theme="dark"] .adv-opts-radio-desc {
  color: #9ca3af;
}
[data-theme="dark"] .adv-opts-label {
  color: #e5e7eb;
}
/* Email field dark mode */
[data-theme="dark"] .email-field-wrapper input[type="email"] {
  background: #1f2937;
  border-color: #374151;
  color: #e5e7eb;
}
[data-theme="dark"] .email-field-wrapper input[type="email"]:focus {
  border-color: var(--brand);
  box-shadow: 0 0 0 4px rgba(99,102,241,0.15);
}
/* How It Works A dark mode */
[data-theme="dark"] .hiw-a {
  background: #0f0f1a;
}
[data-theme="dark"] .hiw-a-title {
  color: #e5e7eb;
}
[data-theme="dark"] .hiw-a-step {
  background: transparent;
}
[data-theme="dark"] .hiw-a-step.active {
  background: rgba(99,102,241,0.15);
  border-color: rgba(99,102,241,0.3);
}
[data-theme="dark"] .hiw-a-step-t {
  color: #d1d5db;
}
[data-theme="dark"] .hiw-a-step-d {
  color: #9ca3af;
}
[data-theme="dark"] .hiw-a-steps {
  border-top-color: #374151;
}
[data-theme="dark"] .hiw-a-rail {
  background: #374151;
}
[data-theme="dark"] .hiw-a-pdf-label,
[data-theme="dark"] .hiw-a-md-label {
  color: #9ca3af;
}
/* Export Formats A dark mode */
[data-theme="dark"] .export-a {
  background: #111827;
  border-top-color: #374151;
  border-bottom-color: #374151;
}
[data-theme="dark"] .export-a-eyebrow {
  color: var(--brand);
}
[data-theme="dark"] .export-a-title {
  color: #e5e7eb;
}
[data-theme="dark"] .export-a-sub {
  color: #9ca3af;
}
[data-theme="dark"] .export-a-card {
  background: #051021;
  border-color: #374151;
}
[data-theme="dark"] .export-a-card:hover {
  border-color: var(--brand);
  box-shadow: 0 20px 48px -12px rgba(99,102,241,0.2), 0 8px 20px rgba(0,0,0,0.2);
}
[data-theme="dark"] .export-a-card:hover::before {
  background: linear-gradient(135deg, rgba(99,102,241,0.06) 0%, rgba(139,92,246,0.04) 100%);
}
[data-theme="dark"] .export-a-card-title {
  color: #e5e7eb;
}
[data-theme="dark"] .export-a-card-desc {
  color: #9ca3af;
}
/* Footer dark mode */
[data-theme="dark"] footer {
  background: #0f0f1a;
  color: #9ca3af;
  border-top-color: #374151;
}
[data-theme="dark"] .theme-toggle {
  background: #1f2937;
  border-color: #374151;
}
[data-theme="dark"] .theme-toggle:hover {
  border-color: var(--brand);
}

/* Async-progress dark mode */
[data-theme="dark"] .async-progress {
  background: #1f2937;
  border-color: #374151;
}
[data-theme="dark"] .async-progress .progress-filename {
  color: #e5e7eb;
}
[data-theme="dark"] .async-progress .progress-text {
  color: #9ca3af;
}
[data-theme="dark"] .async-progress .progress-bar-container {
  background: rgba(99, 102, 241, 0.15);
}
[data-theme="dark"] .async-progress .async-error {
  background: rgba(239, 68, 68, 0.1);
  border-color: rgba(239, 68, 68, 0.4);
}
[data-theme="dark"] .async-progress .async-error-text {
  color: #f87171;
}
[data-theme="dark"] .async-progress .retry-btn {
  background: #dc2626;
}
[data-theme="dark"] .async-progress .delete-upload-btn {
  background: #dc2626;
  border: none;
  color: white;
}
/* Delete modal dark mode */
[data-theme="dark"] .delete-modal-overlay { background: rgba(0,0,0,0.7); }
[data-theme="dark"] .delete-modal { background: #1f2937; box-shadow: 0 20px 60px rgba(0,0,0,0.6); }
[data-theme="dark"] .delete-modal-header { color: #e5e7eb; }
[data-theme="dark"] .delete-modal-text { color: #9ca3af; }
[data-theme="dark"] .delete-modal-error { color: #f87171; }
[data-theme="dark"] .cancel-delete-btn { background: #374151; border-color: #4b5563; color: #e5e7eb; }
[data-theme="dark"] .cancel-delete-btn:hover { background: #4b5563; }
[data-theme="dark"] .confirm-delete-btn { background: #dc2626; color: white; }


/* ============ PDF / MARKDOWN PREVIEW COMPONENTS ============ */

.pdf-page {
  background: var(--paper);
  border-radius: 8px;
  box-shadow: 0 1px 2px rgba(0,0,0,.05), 0 8px 32px rgba(0,0,0,.12);
  padding: 22px 24px;
  font-family: 'Times New Roman', Georgia, serif;
  color: #1a1a1a;
  position: relative;
  overflow: hidden;
}
.pdf-page::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: linear-gradient(90deg, transparent, rgba(0,0,0,.04), transparent);
}
.pdf-h {
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 8px;
  color: #111;
}
.pdf-h2 {
  font-size: 11px;
  font-weight: 700;
  margin: 10px 0 4px;
  color: #222;
}
.pdf-p {
  font-size: 8.5px;
  line-height: 1.55;
  color: #333;
  margin-bottom: 6px;
  text-align: justify;
}
.pdf-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 7.5px;
  margin: 6px 0;
}
.pdf-table th, .pdf-table td {
  border: 1px solid #999;
  padding: 3px 5px;
  text-align: left;
}
.pdf-table th { background: #eee; font-weight: 700; }
.pdf-meta {
  position: absolute;
  bottom: 6px; right: 12px;
  font-size: 6px;
  color: #999;
  font-family: var(--font-mono);
}

/* Markdown preview (looks like a code editor pane) */
.md-pane {
  background: #0f1020;
  border-radius: 8px;
  box-shadow: 0 1px 2px rgba(0,0,0,.05), 0 8px 32px rgba(0,0,0,.18);
  font-family: var(--font-mono);
  font-size: 9px;
  line-height: 1.55;
  color: #e0e0f0;
  overflow: hidden;
  position: relative;
}
.md-pane-bar {
  height: 22px;
  background: #1a1b2e;
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 0 10px;
  border-bottom: 1px solid rgba(255,255,255,.06);
}
.md-pane-bar i {
  width: 8px; height: 8px; border-radius: 50%;
  background: #3a3a4e;
  display: block;
}
.md-pane-bar .name {
  margin-left: 8px;
  font-family: var(--font-mono);
  font-size: 8px;
  color: #8a8aa0;
  letter-spacing: 0.3px;
}
.md-pane-body { padding: 14px 16px; }
.md-h { color: #c084fc; }
.md-bullet { color: #818cf8; }
.md-key { color: #60a5fa; }
.md-str { color: #34d399; }
.md-comment { color: #6b7280; }
.md-text { color: #e0e0f0; }

/* Stripe placeholder */
.stripe-ph {
  background:
    repeating-linear-gradient(
      135deg,
      rgba(79,70,229,.06) 0 8px,
      transparent 8px 16px
    ),
    #f5f5fa;
  border: 1px dashed rgba(79,70,229,.25);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 11px;
  color: rgba(79,70,229,.7);
  letter-spacing: 0.3px;
}


/* ===================== HOW IT WORKS A ===================== */
.hiw-a {
  padding: 120px 32px 240px 32px;
  max-width: 1240px; margin: 0 auto;
}
.hiw-a-eyebrow {
  font-size: 12px; font-weight: 700; letter-spacing: 4px;
  color: var(--brand); text-align: center; margin-bottom: 18px;
}
.hiw-a-title {
  font-size: clamp(2.4rem, 5vw, 4rem); font-weight: 800;
  letter-spacing: -2px; line-height: 1.05;
  text-align: center; margin-bottom: 70px;
}
.hiw-a-title span {
  background: var(--grad-brand);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hiw-a-stage {
  display: grid; grid-template-columns: 1fr auto 1fr;
  gap: 28px; align-items: center; margin-bottom: 60px;
  position: relative;
}
.hiw-a-pdf-wrap, .hiw-a-md-wrap { position: relative; }
.hiw-a-pdf-label, .hiw-a-md-label {
  position: absolute; top: -28px; left: 0;
  font-family: var(--font-mono); font-size: 11px; color: var(--muted);
  letter-spacing: 0.5px;
}
.hiw-a-md-label { right: 0; left: auto; }
.hiw-a-scan {
  position: absolute; left: 0; right: 0; height: 24px;
  background: linear-gradient(180deg, transparent, rgba(168,85,247,0.45), transparent);
  z-index: 5; pointer-events: none;
  transition: top .15s linear, opacity .3s;
  border-radius: 8px;
}
.hiw-a-conveyor {
  position: relative; width: 180px; height: 100px;
  display: flex; align-items: center; justify-content: center;
}
.hiw-a-rail {
  position: absolute; left: 0; right: 0; top: 50%;
  height: 4px; background: var(--border); border-radius: 2px;
}
.hiw-a-rail-glow {
  position: absolute; left: 0; top: 50%; height: 4px;
  background: var(--grad-brand); border-radius: 2px;
  box-shadow: 0 0 16px rgba(124,58,237,0.5);
  transform: translateY(-50%);
}
.hiw-a-token {
  position: absolute; top: 50%;
  transform: translate(-50%, -50%);
  width: 28px; height: 28px; border-radius: 50%;
  background: var(--grad-brand);
  box-shadow: 0 0 0 6px rgba(124,58,237,0.15), 0 8px 24px rgba(124,58,237,0.4);
  display: flex; align-items: center; justify-content: center;
}
.hiw-a-token-dot { width: 8px; height: 8px; border-radius: 50%; background: white; }

.hiw-a-steps {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 16px; margin-top: 40px;
  border-top: 1px solid var(--border); padding-top: 32px;
}
.hiw-a-step {
  padding: 18px 20px; border-radius: 14px;
  border: 1px solid transparent;
  transition: all .4s ease;
  opacity: 0.4;
}
.hiw-a-step.done { opacity: 0.7; }
.hiw-a-step.active {
  opacity: 1; background: var(--brand-light);
  border-color: rgba(79,70,229,0.2);
  transform: translateY(-4px);
}
.hiw-a-step-num {
  font-family: var(--font-mono); font-size: 12px; font-weight: 700;
  color: var(--brand); margin-bottom: 6px;
}
.hiw-a-step-t { font-size: 17px; font-weight: 700; margin-bottom: 4px; }
.hiw-a-step-d { font-size: 13px; color: var(--muted); }

/* ===================== EXPORT FORMATS A ===================== */
.export-a {
  padding: 100px 32px;
  background: var(--bg);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.export-a-inner {
  max-width: 1100px;
  margin: 0 auto;
  text-align: center;
}
.export-a-eyebrow {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 4px;
  color: var(--brand);
  margin-bottom: 18px;
}
.export-a-title {
  font-size: clamp(2.4rem, 5vw, 4rem);
  font-weight: 800;
  letter-spacing: -2px;
  line-height: 1.05;
  margin-bottom: 18px;
}
.export-a-title span {
  background: var(--grad-brand);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.export-a-sub {
  font-size: 18px;
  color: var(--muted);
  line-height: 1.6;
  max-width: 520px;
  margin: 0 auto 56px;
}
.export-a-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.export-a-card {
  background: var(--white);
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 24px;
  text-align: center;
  transition: all .35s cubic-bezier(.4,0,.2,1);
  position: relative;
  overflow: hidden;
}
.export-a-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, transparent 0%, transparent 100%);
  opacity: 0;
  transition: opacity .35s ease;
}
.export-a-card:hover {
  transform: translateY(-6px);
  border-color: var(--brand);
  box-shadow: 0 20px 48px -12px rgba(79, 70, 229, 0.25), 0 8px 20px rgba(0,0,0,.06);
}
.export-a-card:hover::before {
  background: linear-gradient(135deg, rgba(79,70,229,.04) 0%, rgba(168,85,247,.03) 100%);
  opacity: 1;
}
.export-a-icon {
  width: 64px;
  height: 64px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 18px;
  transition: all .35s ease;
}
.export-a-icon--md  { background: linear-gradient(135deg, #4f46e5, #6366f1); color: white; }
.export-a-icon--csv { background: linear-gradient(135deg, #16a34a, #22c55e); color: white; }
.export-a-icon--json { background: linear-gradient(135deg, #d97706, #f59e0b); color: white; font-size: 28px; font-weight: 700; font-family: monospace; }
.export-a-icon--docx { background: linear-gradient(135deg, #2563eb, #3b82f6); color: white; }
.export-a-icon--zip { background: linear-gradient(135deg, #7c3aed, #8b5cf6); color: white; }
.export-a-icon--html { background: linear-gradient(135deg, #dc2626, #ef4444); color: white; }

.export-a-card:hover .export-a-icon {
  transform: scale(1.1);
  box-shadow: 0 8px 24px rgba(0,0,0,.15);
}

.export-a-card-title {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text);
}
.export-a-card-desc {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.55;
}

@media (max-width: 900px) {
  .export-a-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }
  .export-a { padding: 80px 24px; }
}
@media (max-width: 480px) {
  .export-a-grid {
    grid-template-columns: 1fr;
  }
  .export-a-title { font-size: 2rem; letter-spacing: -1px; }
}

/* ===================== Responsive ===================== */
@media (max-width: 900px) {
  .hero-a-showcase, .hero-b-strip, .hero-c-grid, .hiw-a-stage, .hiw-c-grid {
    grid-template-columns: 1fr; gap: 32px;
  }
  .hiw-b-stage, .hiw-b-stage.right { grid-template-columns: 1fr; gap: 24px; direction: ltr; }
  .hiw-b-spine { display: none; }
  .hiw-a-conveyor, .hero-b-pipe { transform: rotate(90deg); }
  .hero-a-pdf, .hero-a-md, .hero-c-pdf, .hero-c-md { transform: none !important; position: relative; width: 100%; }
  .hero-c-art { height: auto; }
  .hero-c-bolt { display: none; }
}

/* Authenticated user greeting */
.hero-a-greeting {
  text-align: center;
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 1rem;
}
.hero-a-greeting strong {
  color: #fff;
}