/* ============================================================
   FreshPDF — PDFMeter
   Layered on top of styles.css (tokens, header, footer, buttons).
   ============================================================ */

.pm-main {
  padding: 40px 0 76px;

  /* Vertical rhythm. These were ad-hoc values (16/18/20/22/26/30/34/48/54)
     which read as drift rather than structure; four steps is enough. */
  --pm-s1: 12px;   /* inside a group — queue under the drop zone */
  --pm-s2: 20px;   /* between related blocks */
  --pm-s3: 32px;   /* between sections */
  --pm-s4: 52px;   /* between the app and the prose below it */

  /* The reading/working measure. Everything the user types into shares it, so
     the page doesn't jump between a 780px hero and a 1116px form. Results are
     the deliberate exception — see below. */
  --pm-measure: 820px;
}

/* .btn sets display:inline-flex, which outranks the UA sheet's [hidden]
   rule — without this the Cancel button never goes away. */
.pm-main [hidden] { display: none !important; }

/* One column, top to bottom, no exceptions — inputs and results share a left
   edge. The results table was briefly allowed to break out to full width on
   the assumption that eight columns wouldn't fit; measured, it fits the form
   measure exactly with no overflow, and the nested per-page table does too.
   Both keep overflow-x as a safety net for narrow viewports and long
   filenames. */
.pm-drop, .pm-files, .pm-settings, .pm-run, .pm-bar, .pm-empty, .pm-explain,
.pm-cards, .pm-mix, .pm-actions, .pm-issues, .pm-sizes, .pm-table-wrap {
  max-width: var(--pm-measure);
  margin-left: auto;
  margin-right: auto;
}

/* ---------- hero ---------- */
.pm-hero { max-width: 780px; margin: 0 auto var(--pm-s3); text-align: center; }
.pm-hero h1 { font-size: clamp(30px, 5vw, 46px); font-weight: 800; margin-bottom: 14px; }
.pm-hero p { color: var(--text-soft); font-size: 17px; line-height: 1.6; margin: 0 auto; max-width: 640px; }
.pm-hero .mark { position: relative; white-space: nowrap; }
.pm-hero .mark span { position: relative; z-index: 1; }
.pm-hero .mark::after {
  content: ''; position: absolute; left: -3px; right: -3px; bottom: 2px; height: .42em;
  background: var(--marker); border-radius: 4px; z-index: 0;
}
.pm-badges { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; margin-top: var(--pm-s2); }
.pm-badges span {
  font-size: 12.5px; font-weight: 600; color: var(--text-soft);
  background: var(--surface); border: 1px solid var(--border-soft);
  padding: 5px 12px; border-radius: 999px;
}

/* ---------- drop zone ---------- */
.pm-drop {
  display: block; width: 100%; text-align: center; cursor: pointer;
  background: var(--surface); border: 2px dashed var(--sky-200); border-radius: var(--radius-lg);
  padding: 34px 22px; transition: border-color .16s, background .16s, transform .16s;
}
.pm-drop:hover, .pm-drop:focus-visible { border-color: var(--sky-400); background: var(--sky-50); }
[data-theme="dark"] .pm-drop:hover, [data-theme="dark"] .pm-drop:focus-visible { background: var(--surface-2); }
.pm-drop.over { border-color: var(--brand); background: var(--brand-soft); transform: scale(1.005); }
.pm-drop-ic { color: var(--brand); display: block; margin: 0 auto 12px; }
.pm-drop strong { display: block; font-size: 19px; font-weight: 700; margin-bottom: 6px; }
.pm-drop span { color: var(--text-soft); font-size: 14.5px; }
.pm-drop-or { display: block; margin-top: 14px; }
.pm-linkbtn {
  background: none; border: 0; padding: 0; font: inherit; font-weight: 600;
  color: var(--brand-strong); cursor: pointer; text-decoration: underline;
}
.pm-linkbtn:hover { color: var(--brand); }

/* ---------- queue ---------- */
.pm-files { margin-top: var(--pm-s1); }
.pm-queue-head {
  display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
  font-size: 14px; color: var(--text-soft); margin-bottom: 8px;
}
.pm-queue-head strong { color: var(--text); font-size: 15px; }
.pm-queue-head span { color: var(--text-mute); }
.pm-queue-head .pm-linkbtn { margin-left: auto; }
.pm-queue { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; max-height: 260px; overflow: auto; }
.pm-queue li {
  display: flex; align-items: center; gap: 10px; font-size: 13.5px;
  background: var(--surface); border: 1px solid var(--border-soft);
  border-radius: var(--radius-sm); padding: 8px 10px;
}
.pm-q-name { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.pm-queue em { font-style: normal; color: var(--text-mute); font-size: 12.5px; font-variant-numeric: tabular-nums; }
.pm-q-x {
  background: none; border: 0; color: var(--text-mute); font-size: 18px; line-height: 1;
  cursor: pointer; padding: 0 4px; border-radius: 6px;
}
.pm-q-x:hover { color: var(--berry); background: var(--surface-2); }

/* ---------- settings ---------- */
.pm-settings {
  margin-top: var(--pm-s2); background: var(--surface);
  border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden;
}
.pm-settings > summary {
  cursor: pointer; list-style: none; padding: 14px 18px; font-weight: 700; font-size: 15px;
  display: flex; align-items: center; gap: 8px;
}
.pm-settings > summary::-webkit-details-marker { display: none; }
.pm-settings > summary::after { content: '▾'; margin-left: auto; color: var(--text-mute); transition: transform .18s; }
.pm-settings[open] > summary::after { transform: rotate(180deg); }
.pm-settings > summary:hover { background: var(--surface-2); }
.pm-set-body { padding: 4px 18px 20px; border-top: 1px solid var(--border-soft); }
.pm-set-group { margin-top: 18px; }
.pm-set-group > h3 { font-size: 12px; letter-spacing: .06em; text-transform: uppercase; color: var(--text-mute); margin-bottom: 10px; }
.pm-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 12px 16px; }
.pm-field { display: flex; flex-direction: column; gap: 5px; font-size: 13.5px; }
.pm-field > span { font-weight: 600; color: var(--text-soft); }
.pm-field small { color: var(--text-mute); font-size: 12px; font-weight: 400; }
.pm-input {
  font: inherit; font-size: 14.5px; color: var(--text); background: var(--bg-alt);
  border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 9px 11px; width: 100%;
}
.pm-input:focus { outline: 2px solid var(--sky-300); outline-offset: 1px; border-color: var(--sky-400); }
.pm-check { display: flex; align-items: flex-start; gap: 9px; font-size: 13.5px; color: var(--text-soft); padding-top: 4px; }
.pm-check input { margin-top: 2px; width: 16px; height: 16px; accent-color: var(--brand); flex: none; }

/* ---------- run bar ---------- */
.pm-run { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; margin-top: var(--pm-s2); }
.pm-run .pm-hint { color: var(--text-mute); font-size: 13.5px; }
.pm-bar { margin-top: var(--pm-s1); }
.pm-bar-track { height: 8px; background: var(--surface-2); border-radius: 999px; overflow: hidden; }
.pm-bar-fill { height: 100%; width: 0; background: var(--brand); border-radius: 999px; transition: width .18s ease; }
.pm-bar-label { display: block; margin-top: 8px; font-size: 13.5px; color: var(--text-soft); }

/* ---------- summary cards ---------- */
/* Eight cards, so four across gives two clean rows. auto-fit left an orphaned
   row of two at most desktop widths. */
.pm-cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-top: var(--pm-s3); }
.pm-card {
  background: var(--surface); border: 1px solid var(--border-soft); border-radius: var(--radius);
  padding: 14px 16px; box-shadow: var(--shadow-sm); border-top: 3px solid var(--border);
}
.pm-card-k { display: block; font-size: 12px; font-weight: 600; letter-spacing: .04em; text-transform: uppercase; color: var(--text-mute); }
.pm-card strong { display: block; font-size: 26px; font-weight: 800; margin-top: 4px; letter-spacing: -.02em; }
.pm-card em { display: block; font-style: normal; font-size: 12.5px; color: var(--text-mute); margin-top: 3px; }
.pm-card.is-color { border-top-color: var(--berry); }
.pm-card.is-gray { border-top-color: var(--text-mute); }
.pm-card.is-bw { border-top-color: var(--ink); }
.pm-card.is-total { border-top-color: var(--grass); }
.pm-card.is-total strong { color: var(--grass); }

/* ---------- mix bar ---------- */
.pm-mix { margin-top: var(--pm-s2); }
.pm-mix-track { display: flex; height: 14px; border-radius: 999px; overflow: hidden; background: var(--surface-2); }
.pm-seg { display: block; height: 100%; }
.pm-seg-color { background: var(--berry); }
.pm-seg-grayscale { background: #8fa4b7; }
.pm-seg-bw { background: var(--ink); }
.pm-seg-blank { background: var(--border); }
.pm-mix-key { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 9px; font-size: 13px; color: var(--text-soft); }
.pm-key { display: inline-flex; align-items: center; gap: 6px; }
.pm-key i { width: 10px; height: 10px; border-radius: 3px; display: inline-block; }
.pm-key-color i { background: var(--berry); }
.pm-key-grayscale i { background: #8fa4b7; }
.pm-key-bw i { background: var(--ink); }
.pm-key-blank i { background: var(--border); }
.pm-key b { color: var(--text); }

/* ---------- actions ---------- */
/* Four exports. Tightened just enough to keep them on one row at the form
   measure — the alternative was cutting "(per file)" / "(per page)", which is
   the only thing distinguishing the two CSVs. */
.pm-actions { display: flex; flex-wrap: wrap; gap: 9px; margin-top: var(--pm-s2); }
.pm-actions .btn { padding: 10px 15px; font-size: 14px; }

/* ---------- issues ---------- */
.pm-issues {
  margin-top: var(--pm-s3); background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 18px 20px;
}
.pm-issues h2 { font-size: 16px; font-weight: 700; margin-bottom: 12px; }
.pm-issues ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.pm-issues li {
  font-size: 14px; line-height: 1.55; color: var(--text-soft);
  padding-left: 30px; position: relative;
}
.pm-issues li::before {
  position: absolute; left: 0; top: 0; width: 20px; height: 20px; border-radius: 6px;
  display: grid; place-items: center; font-size: 12px; font-weight: 700;
}
.pm-issue-err::before { content: '!'; background: rgba(214,70,126,.14); color: var(--berry); }
.pm-issue-warn::before { content: '!'; background: rgba(217,142,4,.16); color: var(--amber); }
.pm-issue-info::before { content: 'i'; background: var(--brand-soft); color: var(--brand-strong); }
.pm-issues strong { color: var(--text); }

/* ---------- page-size chips ---------- */
.pm-sizes { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin-top: var(--pm-s2); }
.pm-sizes-k { font-size: 12px; font-weight: 700; letter-spacing: .05em; text-transform: uppercase; color: var(--text-mute); margin-right: 4px; }
.pm-chip {
  font-size: 13px; color: var(--text-soft); background: var(--surface);
  border: 1px solid var(--border-soft); border-radius: 999px; padding: 4px 12px;
}
.pm-chip b { color: var(--text); margin-left: 3px; }

/* ---------- tables ---------- */
.pm-table-wrap, .pm-pagetable-wrap { overflow-x: auto; margin-top: var(--pm-s2); -webkit-overflow-scrolling: touch; }
.pm-table {
  width: 100%; border-collapse: collapse; font-size: 14px;
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
}
.pm-table th, .pm-table td { padding: 10px 12px; text-align: right; white-space: nowrap; font-variant-numeric: tabular-nums; }
.pm-table th:first-child, .pm-table td:first-child { text-align: left; white-space: normal; }
.pm-table thead th { font-size: 12px; letter-spacing: .04em; text-transform: uppercase; color: var(--text-mute); border-bottom: 1px solid var(--border); }
.pm-table tbody tr.pm-row { border-bottom: 1px solid var(--border-soft); }
.pm-table tbody tr.pm-row:hover { background: var(--surface-2); }
.pm-table tfoot th { border-top: 2px solid var(--border); font-weight: 800; }
.pm-file { max-width: 340px; word-break: break-word; }
.pm-expand {
  background: none; border: 0; padding: 0; font: inherit; font-weight: 600; color: var(--text);
  cursor: pointer; text-align: left; display: inline-flex; gap: 7px; align-items: baseline;
}
.pm-expand:hover { color: var(--brand-strong); }
.pm-caret { color: var(--text-mute); font-size: 11px; }
.pm-num { font-weight: 700; }
.pm-c-color { color: var(--berry); font-weight: 600; }
.pm-c-gray { color: #6f8499; font-weight: 600; }
.pm-c-bw { font-weight: 600; }
.pm-c-blank { color: var(--text-mute); }
.pm-warn { color: var(--amber); font-weight: 700; }
.pm-err { color: var(--berry); text-align: left !important; white-space: normal !important; }
.pm-detail > td { padding: 0 12px 14px !important; background: var(--bg); }

.pm-pagetable { width: 100%; border-collapse: collapse; font-size: 13px; }
.pm-pagetable th, .pm-pagetable td { padding: 6px 10px; text-align: right; white-space: nowrap; font-variant-numeric: tabular-nums; }
.pm-pagetable th:first-child, .pm-pagetable td:first-child { text-align: left; }
.pm-pagetable th:last-child, .pm-pagetable td:last-child { text-align: left; white-space: normal; }
.pm-pagetable thead th { font-size: 11px; text-transform: uppercase; letter-spacing: .04em; color: var(--text-mute); border-bottom: 1px solid var(--border); }
.pm-pagetable tbody tr { border-bottom: 1px solid var(--border-soft); }
.pm-dim { color: var(--text-mute); font-weight: 400; }
.pm-notes { color: var(--text-soft); font-size: 12.5px; max-width: 320px; }
.pm-pill {
  display: inline-block; font-size: 11.5px; font-weight: 700; padding: 2px 9px; border-radius: 999px;
  border: 1px solid transparent;
}
.pm-pill-color { background: rgba(214,70,126,.13); color: var(--berry); }
.pm-pill-grayscale { background: rgba(143,164,183,.2); color: #63798e; }
.pm-pill-bw { background: var(--surface-2); color: var(--text); }
.pm-pill-blank { background: transparent; color: var(--text-mute); border-color: var(--border); }
[data-theme="dark"] .pm-pill-grayscale { color: #a8bccd; }

.pm-empty {
  margin-top: var(--pm-s3); text-align: center; color: var(--text-mute); font-size: 14.5px;
  border: 1px dashed var(--border); border-radius: var(--radius); padding: 26px;
}

/* ---------- explainer ---------- */
.pm-explain { margin-top: var(--pm-s4); display: grid; gap: 16px; grid-template-columns: repeat(2, 1fr); }
.pm-explain > div { background: var(--surface); border: 1px solid var(--border-soft); border-radius: var(--radius); padding: 18px 20px; }
.pm-explain h3 { font-size: 15.5px; font-weight: 700; margin-bottom: 8px; }
.pm-explain p { font-size: 14px; line-height: 1.6; color: var(--text-soft); margin: 0; }
.pm-prose { max-width: 760px; margin: var(--pm-s4) auto 0; }
.pm-prose h2 { font-size: 22px; font-weight: 700; margin-bottom: 12px; }
.pm-prose h3 { font-size: 16.5px; font-weight: 700; margin: 24px 0 8px; }
.pm-prose p { font-size: 15px; line-height: 1.72; color: var(--text-soft); margin: 0 0 14px; }
.pm-prose ul { color: var(--text-soft); font-size: 15px; line-height: 1.72; padding-left: 20px; }
.pm-prose li { margin-bottom: 6px; }

/* ---------- responsive ---------- */
@media (max-width: 700px) {
  .pm-main { padding: 22px 0 54px; --pm-s3: 26px; --pm-s4: 40px; }
  .pm-explain { grid-template-columns: 1fr; }
  .pm-drop { padding: 30px 16px; }
  .pm-cards { grid-template-columns: repeat(2, 1fr); gap: 9px; }
  .pm-card { padding: 11px 12px; }
  .pm-card strong { font-size: 21px; }
  .pm-table { font-size: 13px; }
  .pm-table th, .pm-table td { padding: 8px 9px; }
  .pm-file { max-width: 190px; }
  .pm-actions .btn { flex: 1 1 auto; }
}

@media (prefers-reduced-motion: reduce) {
  .pm-drop, .pm-bar-fill { transition: none; }
  .pm-drop.over { transform: none; }
}