/* Prepare — mail-like: centered input, then results grid with live preview. */

body.prepare-page {
  display: flex;
  flex-direction: column;
  height: 100dvh;
  max-height: 100dvh;
  overflow: hidden;
}
body.prepare-page .top { flex: none; width: 100%; max-width: none; }
body.prepare-page .prepare-solo {
  flex: 1 1 auto;
  min-height: 0;
  overflow: hidden;
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0.75rem max(1rem, env(safe-area-inset-right, 0px)) 0.75rem max(1rem, env(safe-area-inset-left, 0px));
  box-sizing: border-box;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.65rem;
}
body.prepare-page .foot {
  flex: none;
  margin: 0;
  padding: 0.2rem 1rem;
  font-size: 0.7rem;
}
.prepare-lead {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.92rem;
  line-height: 1.4;
  text-align: center;
  max-width: 40rem;
  flex-shrink: 0;
}
.prepare-note {
  margin: 0;
  text-align: center;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent-ink);
  flex-shrink: 0;
}
.prepare-disabled-banner {
  margin: 0;
  padding: 0.55rem 0.75rem;
  border-radius: 10px;
  background: rgba(7, 17, 26, 0.05);
  border: 1px dashed var(--line);
  color: var(--ink-soft);
  font-size: 0.86rem;
  line-height: 1.4;
  text-align: center;
  max-width: 40rem;
  flex-shrink: 0;
}

/* Input stage (centered, like mail paste) */
body.prepare-page:not(.prepare-results) .prepare-solo { justify-content: center; }
body.prepare-page:not(.prepare-results) #resultsStage { display: none; }
body.prepare-page.prepare-results #inputStage,
body.prepare-page.prepare-results .prepare-lead,
body.prepare-page.prepare-results .prepare-note,
body.prepare-page.prepare-results .prepare-disabled-banner { display: none; }

.prepare-pane {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  min-height: 0;
  overflow: hidden;
  width: 100%;
}
.prepare-pane-input {
  max-width: 40rem;
  width: 100%;
  max-height: min(78dvh, 38rem);
}
.prepare-pane.is-disabled {
  opacity: 0.78;
  filter: grayscale(0.2);
}
.prepare-pane.is-disabled input,
.prepare-pane.is-disabled textarea,
.prepare-pane.is-disabled button,
.prepare-pane.is-disabled label.btn {
  cursor: not-allowed;
  background: #eef1f4;
  color: #6a7680;
  pointer-events: none;
}

.prepare-pane-head {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 0.4rem;
  padding: 0.55rem 0.75rem;
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--card) 80%, #fff);
  flex-shrink: 0;
}
.prepare-pane-head-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  flex-wrap: wrap;
}
.prepare-pane-head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
}
.prepare-pane-actions { display: flex; flex-wrap: wrap; gap: 0.35rem; align-items: center; }

.prepare-fields {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.45rem;
  padding: 0.55rem 0.75rem 0;
}
.prepare-fields label {
  display: grid;
  gap: 0.2rem;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--ink-soft);
}
.prepare-fields input,
.prepare-jd {
  font: inherit;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 0.5rem 0.65rem;
  background: #fff;
  color: var(--ink);
  width: 100%;
  box-sizing: border-box;
}
.prepare-fields input[readonly],
.prepare-jd[readonly] {
  background: #f3f5f7;
  color: var(--ink-soft);
  cursor: default;
}
.prepare-jd {
  flex: 1;
  min-height: 10rem;
  border: 0;
  border-radius: 0;
  resize: none;
  font: 400 0.84rem/1.45 ui-monospace, Menlo, monospace;
  padding: 0.65rem 0.75rem;
}
.prepare-jd:focus,
.prepare-fields input:focus {
  outline: 2px solid rgba(18, 165, 148, 0.35);
  border-color: var(--accent);
}
.prepare-master-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.45rem;
  padding: 0.5rem 0.75rem;
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--accent, #12a594) 6%, #fff);
  font-size: 0.8rem;
  flex-shrink: 0;
}
.prepare-upload-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.45rem;
  padding: 0.45rem 0.75rem 0.65rem;
  border-top: 1px solid var(--line);
  font-size: 0.78rem;
  color: var(--ink-soft);
  flex-shrink: 0;
}
.prepare-pick-list {
  list-style: none;
  margin: 0.55rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.4rem;
}
.prepare-pick {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.45rem 0.55rem;
  padding: 0.45rem 0.55rem;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: #fff;
  font-size: 0.78rem;
  line-height: 1.35;
  animation: prepare-pick-in 0.22s ease;
}
.prepare-pick.is-pick {
  border-color: rgba(18, 165, 148, 0.45);
  background: rgba(18, 165, 148, 0.08);
}
.prepare-pick.is-skip {
  opacity: 0.72;
  background: #f4f6f8;
}
.prepare-pick-mark {
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  padding: 0.15rem 0.4rem;
  border-radius: 999px;
  align-self: start;
  white-space: nowrap;
}
.prepare-pick.is-pick .prepare-pick-mark {
  background: rgba(18, 165, 148, 0.18);
  color: #0b6f64;
}
.prepare-pick.is-skip .prepare-pick-mark {
  background: rgba(0, 0, 0, 0.06);
  color: #6a7680;
}
.prepare-pick-body { display: grid; gap: 0.12rem; min-width: 0; }
.prepare-pick-role {
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--ink-soft);
}
.prepare-pick-text { color: var(--ink); }
.prepare-pick-why {
  font-size: 0.72rem;
  color: var(--ink-soft);
  font-style: italic;
}
@keyframes prepare-pick-in {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: none; }
}
.prepare-upload-row .btn { font-size: 0.78rem; padding: 0.28rem 0.6rem; }
.prepare-upload-label {
  font-weight: 700;
  color: var(--ink);
}
.prepare-upload-status {
  flex: 1 1 12rem;
  min-width: 0;
  line-height: 1.35;
}
.prepare-upload-status.is-ready {
  color: #0b6f64;
}
.prepare-upload-status.is-error {
  color: #8a1f1f;
  font-weight: 600;
}
.prepare-upload-status.is-empty { color: var(--ink-soft); }
.prepare-upload-chip {
  display: inline-block;
  margin-right: 0.35rem;
  padding: 0.12rem 0.45rem;
  border-radius: 999px;
  background: rgba(18, 165, 148, 0.14);
  color: #0b6f64;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.01em;
}

.prepare-formats {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.45rem 0.75rem;
  font-size: 0.78rem;
  color: var(--ink-soft);
  flex-shrink: 0;
}
.prepare-formats-in-head {
  padding-top: 0.15rem;
  border-top: 1px dashed var(--line);
}
.prepare-format-opt {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  font-family: ui-monospace, Menlo, monospace;
  font-weight: 600;
  color: var(--ink);
  cursor: pointer;
  user-select: none;
}
.prepare-format-opt input { accent-color: var(--accent, #12a594); }

/* Results stage */
#resultsStage {
  flex: 1 1 auto;
  min-height: 0;
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}
.prepare-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  align-items: center;
  justify-content: space-between;
  flex-shrink: 0;
}
.prepare-toolbar-left,
.prepare-downloads { display: flex; flex-wrap: wrap; gap: 0.45rem 0.75rem; align-items: center; }
.prepare-dl-group {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.15rem 0.35rem 0.15rem 0.5rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--card, #fff);
  font-size: 0.78rem;
}
.prepare-dl-name {
  font-family: ui-monospace, Menlo, monospace;
  font-weight: 600;
  color: var(--ink-soft);
  margin-right: 0.15rem;
}
.prepare-dl-ext {
  font-family: ui-monospace, Menlo, monospace;
  font-weight: 700;
  color: var(--accent-ink, #0b6f64);
  text-decoration: none;
  padding: 0.15rem 0.4rem;
  border-radius: 6px;
}
.prepare-dl-ext:hover {
  background: rgba(18, 165, 148, 0.12);
}

.prepare-progress {
  flex-shrink: 0;
  width: 100%;
  display: grid;
  gap: 0.25rem;
}
.prepare-progress-track {
  height: 0.45rem;
  border-radius: 99px;
  background: rgba(0, 0, 0, 0.08);
  overflow: hidden;
}
.prepare-progress-track > span {
  display: block;
  height: 100%;
  width: 0%;
  background: var(--accent, #12a594);
  transition: width 0.2s linear;
}
.prepare-progress-meta {
  display: flex;
  justify-content: space-between;
  gap: 0.5rem;
  font-size: 0.78rem;
  color: var(--ink-soft);
}
.prepare-status { margin: 0; font-size: 0.82rem; color: var(--ink-soft); }
.prepare-status.err { color: #8a1f1f; }
.prepare-status.ok { color: #0b6f64; }
.prepare-meta {
  margin: 0;
  font-size: 0.82rem;
  color: var(--ink-soft);
  white-space: pre-wrap;
  line-height: 1.35;
}

.prepare-results-grid {
  flex: 1;
  min-height: 0;
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  gap: 0.65rem;
}
.prepare-results-grid > .prepare-pane { height: 100%; }
.prepare-pane-scroll {
  flex: 1;
  min-height: 0;
  overflow: auto;
  padding: 0.65rem 0.75rem;
}
.prepare-preview-head {
  gap: 0.65rem;
}
.prepare-tabs {
  display: inline-flex;
  gap: 0.2rem;
  padding: 0.15rem;
  border-radius: 9px;
  background: rgba(0, 0, 0, 0.05);
}
.prepare-tab {
  appearance: none;
  border: 0;
  background: transparent;
  color: var(--ink-soft);
  font: inherit;
  font-size: 0.82rem;
  font-weight: 600;
  padding: 0.3rem 0.7rem;
  border-radius: 7px;
  cursor: pointer;
}
.prepare-tab.is-active {
  background: var(--card, #fff);
  color: var(--ink);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.08);
}
.prepare-live-pre {
  margin: 0;
  white-space: pre-wrap;
  word-break: break-word;
  font: 0.76rem/1.45 ui-monospace, Menlo, monospace;
  color: var(--ink);
}
.prepare-live-pre.is-typing::after {
  content: "▋";
  margin-left: 1px;
  color: var(--accent, #12a594);
  animation: prepare-caret 0.9s steps(1) infinite;
}
@keyframes prepare-caret {
  50% { opacity: 0; }
}

body.prepare-page[data-prepare="demo"] .prepare-solo {
  overflow: auto;
}

@media (max-width: 860px) {
  /*
   * Mobile: unlock the 100dvh lock so paste/results aren't trapped in a short pane.
   * Matches browse + mail — one document scroll, capped inner panes only where useful.
   */
  html.prepare-page,
  body.prepare-page {
    height: auto;
    max-height: none;
    overflow: auto;
  }
  body.prepare-page .prepare-solo {
    flex: none;
    overflow: visible;
    justify-content: flex-start;
    padding: 0.65rem max(1.15rem, env(safe-area-inset-right, 0px)) 1.25rem max(1.15rem, env(safe-area-inset-left, 0px));
  }
  body.prepare-page .top,
  body.prepare-page .foot {
    padding-left: max(1.15rem, env(safe-area-inset-left, 0px));
    padding-right: max(1.15rem, env(safe-area-inset-right, 0px));
  }
  body.prepare-page:not(.prepare-results) .prepare-solo {
    justify-content: flex-start;
  }
  .prepare-fields { grid-template-columns: 1fr; }
  .prepare-results-grid {
    grid-template-columns: 1fr;
    flex: none;
    height: auto;
    min-height: 0;
    overflow: visible;
  }
  .prepare-results-grid > .prepare-pane {
    height: auto;
    max-height: none;
  }
  .prepare-pane-scroll {
    max-height: min(58dvh, 28rem);
  }
}