/* tools.css — shared styling for the public "free PDF tools" pages
   (/tools index + markdown-to-pdf, html-to-pdf, url-to-pdf).
   Self-contained, brand-aligned (indigo accent), light theme. */

:root {
  --t-bg: #f4f5f8;
  --t-surface: #ffffff;
  --t-border: #e4e7ee;
  --t-border-strong: #d4d9e3;
  --t-ink: #1f2430;
  --t-ink-soft: #5b6373;
  --t-muted: #9aa1ab;
  --t-accent: #4f46e5;
  --t-accent-ink: #3d35c4;
  --t-radius: 12px;
  --t-shadow: 0 1px 2px rgba(17, 21, 28, .04), 0 8px 24px rgba(17, 21, 28, .06);
}

* { box-sizing: border-box; }

html, body { height: 100%; }

body {
  margin: 0;
  font-family: -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: var(--t-ink);
  background: var(--t-bg);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--t-accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ── Top bar ─────────────────────────────────────────────── */
.t-nav {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 12px 20px;
  background: var(--t-surface);
  border-bottom: 1px solid var(--t-border);
}
.t-nav__brand {
  display: flex;
  align-items: center;
  gap: 9px;
  font-weight: 700;
  color: var(--t-ink);
}
.t-nav__brand img { width: 26px; height: 26px; }
.t-nav__title {
  font-size: 14px;
  font-weight: 600;
  color: var(--t-ink-soft);
  padding-left: 16px;
  margin-left: 4px;
  border-left: 1px solid var(--t-border);
}
.t-nav__spacer { flex: 1; }
.t-nav__links { display: flex; align-items: center; gap: 14px; }
.t-nav__link { color: var(--t-ink-soft); font-size: 14px; font-weight: 500; }
/* Credit-balance chip shown in place of the anonymous CTAs for a signed-in
   visitor (injected by tools-common.js personalizeNav). */
.t-nav__credits {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 5px 11px;
  border-radius: 999px;
  background: #eef0fe;
  border: 1px solid #dcdffb;
  color: var(--t-accent-ink);
  font-weight: 600;
  font-size: 13px;
}
.t-nav__credits:hover { text-decoration: none; background: #e6e8fe; }

/* ── Buttons ─────────────────────────────────────────────── */
.t-btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font: inherit;
  font-weight: 600;
  font-size: 14px;
  padding: 9px 16px;
  border-radius: 9px;
  border: 1px solid var(--t-border-strong);
  background: var(--t-surface);
  color: var(--t-ink);
  cursor: pointer;
  transition: background .12s, border-color .12s, transform .04s;
}
.t-btn:hover { border-color: var(--t-muted); }
.t-btn:active { transform: translateY(1px); }
.t-btn--primary {
  background: var(--t-accent);
  border-color: var(--t-accent);
  color: #fff;
}
.t-btn--primary:hover { background: var(--t-accent-ink); border-color: var(--t-accent-ink); }
.t-btn--sm { padding: 6px 12px; font-size: 13px; }
.t-btn[disabled] { opacity: .55; cursor: not-allowed; }

.t-select {
  font: inherit;
  font-size: 14px;
  padding: 8px 10px;
  border-radius: 9px;
  border: 1px solid var(--t-border-strong);
  background: var(--t-surface);
  color: var(--t-ink);
}

/* ── Editor workspace (two-pane) ─────────────────────────── */
.t-workspace {
  display: flex;
  flex-direction: column;
  height: calc(100vh - 51px);
}
.t-toolbar {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  padding: 10px 16px;
  background: var(--t-surface);
  border-bottom: 1px solid var(--t-border);
}
.t-toolbar__label { font-size: 13px; color: var(--t-ink-soft); font-weight: 500; }
.t-toolbar__spacer { flex: 1; }

.t-panes {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--t-border);
  flex: 1;
  min-height: 0;
}
.t-pane { display: flex; flex-direction: column; min-height: 0; background: var(--t-surface); }
.t-pane__head {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .03em;
  text-transform: uppercase;
  color: var(--t-muted);
  border-bottom: 1px solid var(--t-border);
}
.t-pane__head .t-tab {
  background: none;
  border: 0;
  font: inherit;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .03em;
  text-transform: uppercase;
  color: var(--t-muted);
  cursor: pointer;
  padding: 2px 0;
}
.t-pane__head .t-tab.is-active { color: var(--t-accent); border-bottom: 2px solid var(--t-accent); }

.t-input {
  flex: 1;
  width: 100%;
  border: 0;
  resize: none;
  padding: 18px 20px;
  font-family: "SF Mono", "JetBrains Mono", "Fira Code", "Courier New", monospace;
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--t-ink);
  background: var(--t-surface);
  outline: none;
}

/* Live HTML preview */
.t-preview {
  flex: 1;
  overflow: auto;
  padding: 26px 30px;
  background: #fbfbfd;
}
.t-preview-doc { max-width: 720px; margin: 0 auto; color: var(--t-ink); }
.t-preview-doc h1, .t-preview-doc h2 { border-bottom: 1px solid var(--t-border); padding-bottom: .2em; }
.t-preview-doc pre { background: #f3f4f7; border: 1px solid var(--t-border); border-radius: 8px; padding: 14px; overflow: auto; }
.t-preview-doc code { font-family: "SF Mono", monospace; font-size: .9em; }
.t-preview-doc :not(pre) > code { background: #f3f4f7; padding: .12em .35em; border-radius: 4px; }
.t-preview-doc table { border-collapse: collapse; width: 100%; }
.t-preview-doc th, .t-preview-doc td { border: 1px solid var(--t-border-strong); padding: 6px 10px; }
.t-preview-doc blockquote { border-left: 4px solid var(--t-border-strong); margin-left: 0; padding-left: 14px; color: var(--t-ink-soft); }
.t-preview-doc img { max-width: 100%; }

/* PDF preview iframe */
.t-pdfframe { flex: 1; width: 100%; border: 0; background: #525659; }

.t-status {
  font-size: 13px;
  color: var(--t-ink-soft);
}
.t-status.is-error { color: #c0392b; }

/* ── Tools index ─────────────────────────────────────────── */
.t-hero { max-width: 980px; margin: 0 auto; padding: 56px 20px 24px; text-align: center; }
.t-hero h1 { font-size: 34px; margin: 0 0 12px; letter-spacing: -.02em; }
.t-hero p { font-size: 17px; color: var(--t-ink-soft); margin: 0 auto; max-width: 620px; }
.t-grid {
  max-width: 980px;
  margin: 0 auto;
  padding: 16px 20px 64px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 18px;
}
.t-card {
  display: block;
  background: var(--t-surface);
  border: 1px solid var(--t-border);
  border-radius: var(--t-radius);
  padding: 22px;
  box-shadow: var(--t-shadow);
  transition: transform .1s, box-shadow .1s;
  color: inherit;
}
.t-card:hover { transform: translateY(-2px); text-decoration: none; box-shadow: 0 10px 30px rgba(17,21,28,.1); }
.t-card__icon { font-size: 26px; }
.t-card h3 { margin: 12px 0 6px; font-size: 18px; }
.t-card p { margin: 0; color: var(--t-ink-soft); font-size: 14px; }
.t-card--soon { opacity: .6; pointer-events: none; }
.t-card__badge { font-size: 11px; font-weight: 700; color: var(--t-accent); text-transform: uppercase; letter-spacing: .05em; }

/* ── Single-column tool (compress) ───────────────────────── */
.t-single { max-width: 720px; margin: 0 auto; padding: 40px 20px 64px; }
.t-single__head { text-align: center; margin-bottom: 22px; }
.t-single__head h1 { font-size: 30px; margin: 0 0 10px; letter-spacing: -.02em; }
.t-single__head p { font-size: 16px; color: var(--t-ink-soft); margin: 0; }

.t-privacy {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 11px 16px;
  margin-bottom: 18px;
  border-radius: 10px;
  background: #eef7f0;
  border: 1px solid #cfe8d6;
  color: #2f6b46;
  font-size: 13.5px;
}

.t-drop {
  border: 2px dashed var(--t-border-strong);
  border-radius: var(--t-radius);
  background: var(--t-surface);
  padding: 44px 24px;
  text-align: center;
  cursor: pointer;
  transition: border-color .12s, background .12s;
}
.t-drop:hover, .t-drop:focus-visible { border-color: var(--t-accent); outline: none; }
.t-drop.is-over { border-color: var(--t-accent); background: #f5f5ff; }
.t-drop__icon { font-size: 34px; }
.t-drop__main { margin: 12px 0 4px; font-size: 16px; font-weight: 600; color: var(--t-ink); word-break: break-word; }
.t-drop__link { color: var(--t-accent); text-decoration: underline; }
.t-drop__hint { font-size: 13px; color: var(--t-muted); }

.t-controls {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin: 18px 0;
}

.t-result {
  background: var(--t-surface);
  border: 1px solid var(--t-border);
  border-radius: var(--t-radius);
  box-shadow: var(--t-shadow);
  padding: 22px;
  text-align: center;
}
.t-result__bars { max-width: 380px; margin: 0 auto; }
.t-result__row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 7px 0;
  border-bottom: 1px solid var(--t-border);
}
.t-result__row:last-child { border-bottom: 0; }
.t-result__label { color: var(--t-ink-soft); font-size: 14px; }
.t-result__size { font-weight: 700; font-variant-numeric: tabular-nums; }
.t-result__size--new { color: #2f6b46; }
.t-result__saved { margin: 14px 0 18px; font-size: 15px; font-weight: 600; color: var(--t-accent-ink); }

/* ── Signup nudge ────────────────────────────────────────── */
.t-nudge {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
  padding: 10px 16px;
  background: #eef0fe;
  border-top: 1px solid #dcdffb;
  font-size: 13.5px;
  color: var(--t-ink-soft);
}

@media (max-width: 760px) {
  .t-panes { grid-template-columns: 1fr; grid-template-rows: 1fr 1fr; }
  .t-nav__title { display: none; }
}