.tool-page { height: 100vh; overflow: hidden; background: var(--stage); }
.tool-shell { display: grid; grid-template-columns: 340px minmax(0, 1fr); height: 100vh; }
.tool-sidebar { overflow-y: auto; padding: 24px 22px 64px; border-right: 1px solid var(--ink); background: var(--paper); }
.back-link { color: var(--muted-ink); font-size: 12px; text-decoration: none; }
.tool-intro h1 { margin: 28px 0 12px; font-size: 32px; line-height: .98; font-weight: 400; letter-spacing: -.02em; }
.tool-intro p { color: var(--muted-ink); font-size: 13px; }
.control-section { position: relative; margin-top: 32px; padding-top: 14px; border-top: 1px solid var(--ink); }
.control-section h2 { margin: 0 0 16px 34px; font-size: 14px; font-weight: 400; }
.control-number { position: absolute; top: 15px; left: 0; color: var(--muted-ink); font-size: 11px; }
.drop { display: flex; flex-direction: column; gap: 14px; min-width: 0; padding: 12px; border: 1px dashed var(--muted-ink); cursor: pointer; overflow-wrap: anywhere; transition: background .15s, border-color .15s; }
.drop + .visually-hidden + .file-report + .drop { margin-top: 14px; }
.drop:hover, .drop.over { border-color: var(--ink); background: #fafafa; }
.drop.loaded { border-style: solid; }
.drop > span:first-child, .controls label > span { color: var(--muted-ink); font-size: 10px; letter-spacing: .05em; text-transform: uppercase; }
.drop-title { font-size: 14px; }
.file-report { min-height: 30px; padding-top: 6px; color: var(--muted-ink); font-size: 11px; white-space: pre-line; overflow-wrap: anywhere; }
.file-report.error, .status.error { color: var(--ink); font-style: italic; }
.controls { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.controls label { display: flex; min-width: 0; flex-direction: column; gap: 4px; }
.controls > label:last-child { grid-column: 1 / -1; }
.field-pair { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
input, select { width: 100%; min-height: 34px; padding: 6px 0; border: 0; border-bottom: 1px solid var(--ink); background: var(--paper); color: var(--ink); }
input:disabled, select:disabled { color: var(--muted-ink); border-color: var(--soft-rule); }
button { min-height: 34px; padding: 7px 12px; border: 1px solid var(--ink); background: var(--paper); color: var(--ink); cursor: pointer; }
button:hover:not(:disabled), .primary-action:hover:not(:disabled) { background: var(--ink); color: var(--paper); }
button:disabled { opacity: .35; cursor: default; }
.primary-action { width: 100%; margin-top: 18px; margin-bottom: 18px; background: var(--ink); color: var(--paper); }
.status { margin-top: 8px; color: var(--muted-ink); font-size: 11px; }
.export-actions { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.renderer { display: flex; flex-direction: column; min-width: 0; overflow: hidden; padding: 20px 24px 72px; }
.renderer:has(.page-stage svg),
.renderer:has(#results:not(.hidden)),
.renderer:has(#result:not(.hidden)),
.renderer:has(#stat-report:not([hidden])),
.renderer:has(#summary:not([hidden])) { overflow: auto; }
.renderer-meta { display: flex; justify-content: center; gap: 18px; margin-bottom: 12px; color: var(--muted-ink); font-size: 10px; letter-spacing: .04em; text-transform: uppercase; }
.page-stage { display: grid; flex: 0 0 auto; align-self: center; width: min(100%, 690px); aspect-ratio: 210 / 297; place-items: stretch; }
.page-stage svg { display: block; width: 100%; height: 100%; background: var(--paper); }
.empty-preview { display: flex; flex: 1 1 auto; align-items: center; justify-content: center; padding: 24px; color: var(--muted-ink); font-style: italic; text-align: center; }
.page-stage .empty-preview { flex: none; align-self: center; }
.renderer-heading { margin: 28px 0 12px; font-size: 18px; line-height: 1.2; font-weight: 400; }

/* Shared form and result components used across tool pages */
textarea { width: 100%; min-height: 72px; padding: 8px; border: 1px solid var(--soft-rule); background: var(--paper); color: var(--ink); resize: vertical; }
textarea:focus { outline: 1px solid var(--ink); outline-offset: 1px; }
.grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.grid.two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid.three { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.field { display: flex; min-width: 0; flex-direction: column; gap: 4px; }
.field.full { grid-column: 1 / -1; }
.date-triple { display: grid; grid-template-columns: 1.1fr 1fr .9fr; gap: 8px; }
.field label, .label { color: var(--muted-ink); font-size: 10px; letter-spacing: .05em; text-transform: uppercase; }
.note { margin-top: 12px; color: var(--muted-ink); font-size: 11px; }
.action-row, .button-row, .actions { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; }
.action-row { margin-top: 16px; }
.check-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px 18px; }
.check { display: flex; align-items: flex-start; gap: 8px; margin: 14px 0; font-size: 12px; cursor: pointer; }
.check-grid .check { margin: 0; }
.check input {
  appearance: none; -webkit-appearance: none;
  flex: 0 0 auto; width: 14px; height: 14px; min-height: 0; margin: 1px 0 0; padding: 0;
  border: 1px solid var(--ink); background: var(--paper); cursor: pointer; position: relative;
}
.check:hover input:not(:checked):not(:disabled) { background: #fafafa; }
.check input:checked { background: var(--ink); }
.check input:checked::after {
  content: ""; position: absolute; left: 4px; top: 1px; width: 4px; height: 7px;
  border: solid var(--paper); border-width: 0 1.5px 1.5px 0; transform: rotate(45deg);
}
.check input:disabled { opacity: .35; cursor: default; }
.cards { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.card { border-top: 1px solid var(--ink); padding: 10px 0 14px; }
.card .k { color: var(--muted-ink); font-size: 11px; letter-spacing: .06em; text-transform: uppercase; }
.card .v { display: block; margin-top: 3px; font-size: 22px; }
.bar { height: 8px; margin-top: 5px; background: #eee; }
.bar > i { display: block; height: 100%; background: var(--ink); }
.scroll { overflow-x: auto; margin-top: 12px; }
table { width: 100%; border-collapse: collapse; font-size: 12px; font-variant-numeric: tabular-nums; }
th, td { padding: 7px 8px; border-bottom: 1px solid var(--soft-rule); text-align: right; white-space: nowrap; }
th { color: var(--muted-ink); font-weight: 400; }
th:first-child, td:first-child { padding-left: 0; text-align: left; }
th:last-child, td:last-child { padding-right: 0; }
.warn { color: #c11212; }
.ok { color: #24713b; }
.hidden { display: none !important; }
code { font: 12px/1.4 ui-monospace, SFMono-Regular, Menlo, monospace; }
dl { display: grid; gap: 2px 24px; margin: 0; }
#summary { grid-template-columns: max-content 1fr; margin-top: 16px; font-size: 13px; }
dt { color: var(--muted-ink); }
dd { margin: 0; }
.log { margin-top: 16px; font-size: 12px; white-space: pre-wrap; }
.log.err { color: #c11212; }
.renderer .note:first-child, .renderer > .status:first-child { margin-top: 0; }
.mega-pages { display: flex; flex-direction: column; gap: 40px; }
.mega-page { display: flex; flex-direction: column; gap: 10px; }
.mega-page-head { display: flex; align-items: baseline; justify-content: space-between; gap: 16px; }
.mega-page-head h2 { margin: 0; font-size: 18px; font-weight: 400; }
.mega-page-head .export-actions { width: 160px; }
.status.err, .file-report.err { color: #c11212; font-style: italic; }
.tool-sidebar .grid,
.tool-sidebar .grid.two,
.tool-sidebar .grid.three,
.tool-sidebar .controls,
.tool-sidebar .check-grid { grid-template-columns: 1fr; gap: 14px; }
.tool-sidebar .cards { grid-template-columns: 1fr; }
.guidance dl { gap: 0; }
.guidance dl div { display: grid; grid-template-columns: 72px 1fr; gap: 8px; padding: 8px 0; border-top: 1px solid var(--soft-rule); }
.guidance dl div:first-child { border-top: 0; }
.guidance dt, .guidance dd { font-size: 11px; }

@media (max-width: 900px) {
  .tool-page { height: auto; overflow: visible; }
  .tool-shell { grid-template-columns: 1fr; height: auto; }
  .tool-sidebar { overflow: visible; border-right: 0; border-bottom: 1px solid var(--ink); }
  .renderer { min-height: 100vh; }
}

@media (max-width: 520px) {
  .controls { grid-template-columns: 1fr; }
  .controls > label:last-child { grid-column: auto; }
  .grid, .grid.two, .cards { grid-template-columns: 1fr; }
  .grid.three, .check-grid { grid-template-columns: 1fr; }
  .renderer { padding: 16px 12px 48px; }
  .renderer-meta { justify-content: flex-start; overflow-x: auto; white-space: nowrap; }
}