.vfebook {
  --vfebook-bg: #071426;
  --vfebook-surface: #0c1d34;
  --vfebook-surface-alt: #102641;
  --vfebook-text: #ecf5ff;
  --vfebook-muted: #a9bed5;
  --vfebook-line: #25425f;
  --vfebook-accent: #25c2ff;
  --vfebook-accent-strong: #008ee5;
  --vfebook-good: #42d59c;
  color: var(--vfebook-text);
  background: radial-gradient(circle at 10% -20%, #123d68 0, transparent 37%), linear-gradient(145deg, #061222, #0a1b30 65%, #061425);
  border: 1px solid #1e4162;
  border-radius: 24px;
  box-shadow: 0 18px 50px rgba(2, 12, 26, .28);
  box-sizing: border-box;
  margin: 28px auto;
  max-width: 1220px;
  overflow: hidden;
  padding: clamp(22px, 4vw, 58px);
}

.vfebook *, .vfebook *::before, .vfebook *::after { box-sizing: border-box; }
/* WordPress supplies the page title above the shortcode. The converter has
   its own localized H1, so keep one visible page heading for readers and SEO. */
body.vfebook-page .section-heading { display: none; }
.vfebook h1, .vfebook h2, .vfebook h3, .vfebook p { margin-top: 0; }
.vfebook h1 { color: #fff; font-size: clamp(2rem, 4.5vw, 4.25rem); letter-spacing: -.055em; line-height: 1.02; margin-bottom: 18px; }
.vfebook h2 { color: #fff; font-size: clamp(1.3rem, 2vw, 1.75rem); letter-spacing: -.02em; }
.vfebook h3 { color: #fff; font-size: 1.05rem; margin-bottom: 9px; }
.vfebook p { line-height: 1.65; }

.vfebook__hero { max-width: 820px; }
.vfebook__eyebrow { color: #7edaff; font-size: .76rem; font-weight: 800; letter-spacing: .11em; margin-bottom: 12px; text-transform: uppercase; }
.vfebook__intro { color: var(--vfebook-muted); font-size: clamp(1rem, 1.65vw, 1.22rem); margin-bottom: 24px; }
.vfebook__legal { align-items: flex-start; background: rgba(20, 70, 102, .35); border: 1px solid #266083; border-radius: 15px; color: #d7efff; display: grid; gap: 6px; grid-template-columns: max-content 1fr; padding: 15px 17px; }
.vfebook__legal strong { color: #8ee0ff; white-space: nowrap; }

.vfebook__layout { display: grid; gap: 24px; grid-template-columns: minmax(0, 1.38fr) minmax(300px, .82fr); margin-top: 38px; }
.vfebook__services, .vfebook__upload-panel, .vfebook__learn article, .vfebook__faq { background: rgba(8, 26, 47, .75); border: 1px solid var(--vfebook-line); border-radius: 18px; padding: clamp(18px, 2.4vw, 28px); }
.vfebook__services h2, .vfebook__upload-panel h2 { margin-bottom: 18px; }
.vfebook__service-grid { display: grid; gap: 12px; grid-template-columns: repeat(2, minmax(0, 1fr)); }
.vfebook__service { appearance: none; background: var(--vfebook-surface); border: 1px solid #234360; border-radius: 14px; color: var(--vfebook-text); cursor: pointer; display: grid; grid-template-columns: 42px 1fr; gap: 4px 12px; min-height: 128px; padding: 15px; text-align: start; transition: border-color .16s ease, box-shadow .16s ease, transform .16s ease, background .16s ease; }
.vfebook__service:hover { background: #0e2844; border-color: #3e82ac; transform: translateY(-2px); }
.vfebook__service:focus-visible, .vfebook__submit:focus-visible, .vfebook__download:focus-visible, .vfebook__drop:focus-within { outline: 3px solid #7edaff; outline-offset: 3px; }
.vfebook__service.is-selected { background: linear-gradient(140deg, #0f3150, #0b223b); border-color: var(--vfebook-accent); box-shadow: 0 0 0 1px rgba(37, 194, 255, .2), 0 10px 25px rgba(0, 145, 230, .14); }
.vfebook__service-icon { align-items: center; background: #143f60; border: 1px solid #2b6388; border-radius: 10px; color: #98e4ff; display: flex; font-size: .68rem; font-weight: 900; grid-row: span 2; justify-content: center; letter-spacing: .02em; min-height: 42px; padding: 5px; }
.vfebook__service-title { align-self: end; font-size: .98rem; font-weight: 800; }
.vfebook__service-text { align-self: start; color: var(--vfebook-muted); font-size: .84rem; line-height: 1.42; }

.vfebook__upload-panel { align-self: start; position: sticky; top: 18px; }
.vfebook__selected-service { color: #8ee0ff; font-weight: 700; min-height: 24px; }
.vfebook__drop { align-items: center; background: rgba(13, 41, 68, .78); border: 1px dashed #427da6; border-radius: 14px; cursor: pointer; display: flex; flex-direction: column; justify-content: center; min-height: 170px; padding: 18px; text-align: center; transition: background .16s ease, border-color .16s ease; }
.vfebook__drop:hover, .vfebook__drop.is-dragging { background: #123552; border-color: #77d7ff; }
.vfebook__file { height: 1px; opacity: 0; overflow: hidden; position: absolute; width: 1px; }
.vfebook__drop-title { color: #fff; font-weight: 800; }
.vfebook__drop-hint { color: var(--vfebook-muted); font-size: .82rem; margin-top: 8px; }
.vfebook__rights { align-items: flex-start; color: var(--vfebook-muted); display: flex; font-size: .84rem; gap: 9px; line-height: 1.5; margin: 16px 0; }
.vfebook__rights input { accent-color: var(--vfebook-accent); margin-top: 4px; }
.vfebook__submit, .vfebook__download { align-items: center; background: linear-gradient(135deg, var(--vfebook-accent), var(--vfebook-accent-strong)); border: 0; border-radius: 10px; color: #04203a; cursor: pointer; display: inline-flex; font: inherit; font-weight: 900; justify-content: center; min-height: 48px; padding: 12px 18px; text-decoration: none; width: 100%; }
.vfebook__submit[disabled] { cursor: wait; opacity: .68; }
.vfebook__status { color: var(--vfebook-muted); font-size: .88rem; margin: 13px 0 0; min-height: 21px; }
.vfebook__status.is-error { color: #ffabb7; }
.vfebook__status.is-success { color: #8ef1bc; }
.vfebook__result { border-top: 1px solid var(--vfebook-line); margin-top: 18px; padding-top: 18px; }
.vfebook__result strong { color: #fff; display: block; }
.vfebook__result p { color: var(--vfebook-muted); font-size: .9rem; margin: 7px 0 14px; }
.vfebook__download { background: #173d5d; border: 1px solid #4a8eb9; color: #dff5ff; }
.vfebook__preview-link { align-items: center; background: transparent; border: 1px solid #4a8eb9; border-radius: 10px; color: #dff5ff; display: inline-flex; font-weight: 800; justify-content: center; margin-top: 10px; min-height: 44px; padding: 10px 14px; text-align: center; text-decoration: none; width: 100%; }
.vfebook__preview-link:hover { background: rgba(50, 128, 179, .18); }
.vfebook__report { background: rgba(5, 16, 30, .68); border: 1px solid #284961; border-radius: 12px; color: var(--vfebook-muted); font-size: .84rem; margin: 14px 0; padding: 14px; }
.vfebook__report-group + .vfebook__report-group { border-top: 1px solid var(--vfebook-line); margin-top: 12px; padding-top: 12px; }
.vfebook__report-group > strong { color: #e8f6ff; font-size: .87rem; }
.vfebook__report-group ul { margin: 8px 0 0; padding-inline-start: 20px; }
.vfebook__report-group li + li { margin-top: 5px; }
.vfebook__report-group.is-error > strong, .vfebook__report-group.is-error li { color: #ffb5bf; }
.vfebook__report-group.is-warning > strong, .vfebook__report-group.is-warning li { color: #ffd491; }

.vfebook__learn { margin-top: 28px; }
.vfebook__learn > h2, .vfebook__faq > h2 { margin-bottom: 16px; }
.vfebook__learn-grid { display: grid; gap: 14px; grid-template-columns: repeat(3, minmax(0, 1fr)); }
.vfebook__learn article { padding: 20px; }
.vfebook__learn article p { color: var(--vfebook-muted); font-size: .92rem; margin-bottom: 0; }
.vfebook__faq { margin-top: 24px; }
.vfebook__faq details { border-top: 1px solid var(--vfebook-line); padding: 15px 0; }
.vfebook__faq details:last-child { padding-bottom: 0; }
.vfebook__faq summary { color: #fff; cursor: pointer; font-weight: 800; }
.vfebook__faq details p { color: var(--vfebook-muted); margin: 11px 0 0; }

@media (max-width: 900px) {
  .vfebook__layout { grid-template-columns: 1fr; }
  .vfebook__upload-panel { position: static; }
  .vfebook__learn-grid { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .vfebook { border-left: 0; border-radius: 0; border-right: 0; margin: 16px -18px; padding: 22px 18px; }
  .vfebook__service-grid { grid-template-columns: 1fr; }
  .vfebook__legal { grid-template-columns: 1fr; }
}