/* ---------------------------------------------------------------------------
 * web1 — scientific instrument / research notebook
 *
 * Palette:
 *   page     #fafaf8   off-white
 *   ink      #1a1a1a   charcoal
 *   mute     #6b6b68   secondary text
 *   faint    #b9b8b2   hairlines, disabled
 *   rule     #e3e1db   dividers
 *   accent   #1f4e5f   muted deep teal
 *   alarm    #8a3a2a   rust, for failures (sparingly)
 * ------------------------------------------------------------------------- */

:root {
  --page:   #fafaf8;
  --panel:  #ffffff;
  --ink:    #1a1a1a;
  --mute:   #6b6b68;
  --faint:  #b9b8b2;
  --rule:   #e3e1db;
  --rule-2: #ccc9c1;
  --accent: #1f4e5f;
  --accent-tint: #e9eff1;
  --alarm:  #8a3a2a;
  --warm:   #a77a2c;
  --good:   #3a6f3f;

  --serif: Georgia, "Iowan Old Style", "Palatino Linotype", serif;
  --sans:  -apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue",
           "Inter", "Arial", sans-serif;
  --mono:  "JetBrains Mono", "SF Mono", "Menlo", "Consolas", ui-monospace,
           monospace;

  --fs-base: 14px;
  --lh-base: 1.55;
  --space: 1rem;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--page);
  color: var(--ink);
  font-family: var(--sans);
  font-size: var(--fs-base);
  line-height: var(--lh-base);
  font-feature-settings: "tnum" 1, "cv11" 1;  /* tabular numerals */
  -webkit-font-smoothing: antialiased;
}

code, kbd, pre, samp, .mono, .num {
  font-family: var(--mono);
  font-feature-settings: "tnum" 1;
}

a {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 120ms ease;
}
a:hover { border-bottom-color: var(--accent); }

hr {
  border: 0;
  border-top: 1px solid var(--rule);
  margin: 2rem 0;
}

/* ---------- shell ------------------------------------------------------- */

.masthead {
  border-bottom: 1px solid var(--rule);
  padding: 1.6rem 2.2rem 1.2rem;
  background: var(--page);
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 2rem;
}
.masthead .title {
  font-family: var(--serif);
  font-size: 1.55rem;
  letter-spacing: -0.01em;
  font-weight: 500;
  margin: 0;
}
.masthead .title em {
  font-style: italic;
  color: var(--mute);
  font-weight: 400;
}
.masthead .meta {
  text-align: right;
  color: var(--mute);
  font-size: 0.78rem;
  line-height: 1.5;
  font-family: var(--mono);
}
.masthead .meta .dot {
  display: inline-block; width: 6px; height: 6px; border-radius: 50%;
  background: var(--good); margin-right: 4px; vertical-align: 1px;
}
.masthead .meta .dot.bad { background: var(--alarm); }

main {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(0, 3fr);
  gap: 0;
  max-width: 1440px;
  margin: 0 auto;
  min-height: calc(100vh - 72px);
}

.col-left {
  padding: 1.8rem 2rem 2rem 2.2rem;
  border-right: 1px solid var(--rule);
}
.col-right {
  padding: 1.8rem 2.2rem 2rem 2rem;
}

@media (max-width: 940px) {
  main { grid-template-columns: 1fr; }
  .col-left { border-right: 0; border-bottom: 1px solid var(--rule); }
}

/* ---------- typography / section labels -------------------------------- */

.section-label {
  font-family: var(--sans);
  font-size: 0.70rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--mute);
  margin: 0 0 0.6rem;
  padding-bottom: 0.35rem;
  border-bottom: 1px solid var(--rule);
  display: flex;
  align-items: baseline;
  justify-content: space-between;
}
.section-label .ordinal {
  font-family: var(--mono);
  font-weight: 500;
  color: var(--faint);
  font-size: 0.72rem;
  letter-spacing: 0;
}

.section + .section { margin-top: 1.9rem; }

.lead {
  color: var(--mute);
  font-size: 0.87rem;
  font-style: italic;
  font-family: var(--serif);
  margin: 0.4rem 0 0.9rem;
  max-width: 44ch;
}

/* ---------- form ------------------------------------------------------- */

.form-grid {
  display: grid;
  grid-template-columns: max-content 1fr;
  row-gap: 0.55rem;
  column-gap: 1.2rem;
  align-items: baseline;
}

.form-grid label {
  font-size: 0.82rem;
  color: var(--ink);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}
.form-grid label .hint {
  display: block;
  font-size: 0.72rem;
  color: var(--mute);
  font-style: italic;
  font-family: var(--serif);
  margin-top: 1px;
  white-space: normal;
  max-width: 24ch;
}

.form-grid input[type="text"],
.form-grid input[type="number"],
.form-grid select {
  font-family: var(--mono);
  font-size: 0.85rem;
  color: var(--ink);
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--rule-2);
  padding: 3px 2px 4px;
  width: 100%;
  outline: none;
  transition: border-color 120ms ease, background 120ms ease;
  border-radius: 0;
}
.form-grid input[type="text"]:focus,
.form-grid input[type="number"]:focus,
.form-grid select:focus {
  border-bottom-color: var(--accent);
  background: var(--accent-tint);
}
.form-grid input[readonly] {
  color: var(--mute);
  background: transparent;
  border-bottom-style: dotted;
}

.form-grid input[type="checkbox"] {
  accent-color: var(--accent);
  margin: 0;
  transform: translateY(1px);
}

select {
  appearance: none;
  -webkit-appearance: none;
  background-image: linear-gradient(45deg, transparent 50%, var(--mute) 50%),
                    linear-gradient(-45deg, transparent 50%, var(--mute) 50%);
  background-position: calc(100% - 10px) 50%, calc(100% - 5px) 50%;
  background-size: 5px 5px;
  background-repeat: no-repeat;
  padding-right: 18px;
}

/* reducer picker — a typographic list, not a dropdown */
.reducer-list {
  list-style: none;
  padding: 0;
  margin: 0 0 0.4rem;
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--rule);
}
.reducer-list li { border-bottom: 1px solid var(--rule); }
.reducer-list input[type="radio"] { display: none; }
.reducer-list label {
  display: grid;
  grid-template-columns: 1.4rem 1fr auto;
  gap: 0.6rem;
  padding: 0.55rem 0.2rem 0.55rem 0.1rem;
  cursor: pointer;
  transition: background 100ms ease;
}
.reducer-list label:hover { background: var(--accent-tint); }
.reducer-list .mark {
  font-family: var(--mono);
  color: var(--faint);
  text-align: center;
  font-size: 0.9rem;
  line-height: 1.1;
}
.reducer-list input:checked + label {
  background: var(--accent-tint);
}
.reducer-list input:checked + label .mark { color: var(--accent); }
.reducer-list input:checked + label .name { color: var(--accent); font-weight: 600; }
.reducer-list .name {
  font-family: var(--sans);
  font-size: 0.88rem;
  font-weight: 500;
}
.reducer-list .blurb {
  display: block;
  color: var(--mute);
  font-size: 0.76rem;
  font-style: italic;
  font-family: var(--serif);
  margin-top: 1px;
}
.reducer-list .pkg {
  font-family: var(--mono);
  color: var(--faint);
  font-size: 0.72rem;
  align-self: start;
}

/* advanced disclosure */
details.advanced {
  margin-top: 0.8rem;
  border-top: 1px dashed var(--rule);
  padding-top: 0.6rem;
}
details.advanced > summary {
  cursor: pointer;
  list-style: none;
  color: var(--mute);
  font-size: 0.74rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-weight: 600;
  padding: 0.2rem 0;
  user-select: none;
}
details.advanced > summary::-webkit-details-marker { display: none; }
details.advanced > summary::before {
  content: "[ + ]";
  font-family: var(--mono);
  color: var(--faint);
  margin-right: 0.5rem;
  letter-spacing: 0;
}
details.advanced[open] > summary::before { content: "[ − ]"; color: var(--accent); }

.advanced-body { padding-top: 0.5rem; }

/* submit */
.actions {
  margin-top: 1.4rem;
  padding-top: 1rem;
  border-top: 1px solid var(--rule);
  display: flex;
  align-items: center;
  gap: 1rem;
}
button.submit {
  font-family: var(--sans);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--page);
  background: var(--accent);
  border: 1px solid var(--accent);
  padding: 0.55rem 1.2rem;
  border-radius: 1px;
  cursor: pointer;
  transition: background 120ms ease;
}
button.submit:hover { background: #143642; }
button.submit:disabled { background: var(--faint); border-color: var(--faint); cursor: not-allowed; }

.actions .foot-note {
  font-size: 0.72rem;
  color: var(--mute);
  font-style: italic;
  font-family: var(--serif);
}

.flash {
  padding: 0.6rem 0.8rem;
  margin: 0.6rem 0;
  border-left: 2px solid var(--accent);
  background: var(--accent-tint);
  font-size: 0.82rem;
}
.flash.err { border-left-color: var(--alarm); background: #f4e8e4; color: var(--alarm); }

/* ---------- runs list -------------------------------------------------- */

.run-count {
  font-family: var(--mono);
  color: var(--faint);
  font-size: 0.72rem;
  letter-spacing: 0;
  text-transform: none;
}

.runs {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--rule);
}
.runs li.run {
  border-bottom: 1px solid var(--rule);
  padding: 0.85rem 0 0.85rem;
  display: grid;
  grid-template-columns: 5.5rem 1fr;
  column-gap: 1rem;
  align-items: start;
}
.runs li.run.just-submitted {
  background: linear-gradient(to right, var(--accent-tint), transparent 60%);
  padding-left: 0.55rem;
  margin-left: -0.55rem;
}

.run .stamp {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--mute);
  line-height: 1.3;
  padding-top: 2px;
}
.run .stamp .id {
  display: block;
  color: var(--faint);
  font-size: 0.68rem;
  margin-top: 3px;
}

.run .body { min-width: 0; }

.run .line1 {
  display: flex;
  gap: 0.55rem;
  align-items: baseline;
  flex-wrap: wrap;
}
.run .badge {
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 1px 6px;
  border: 1px solid currentColor;
  border-radius: 1px;
  line-height: 1.2;
}
.badge.running   { color: var(--accent); background: var(--accent-tint); }
.badge.scheduled,
.badge.pending   { color: var(--mute); }
.badge.completed { color: var(--good); background: #edf1ed; }
.badge.failed,
.badge.crashed,
.badge.cancelled { color: var(--alarm); background: #f4e8e4; }

.run .recipe {
  font-family: var(--serif);
  font-size: 0.92rem;
  font-style: italic;
  color: var(--ink);
}
.run .recipe .embedder { font-style: normal; font-family: var(--mono); font-size: 0.82rem; color: var(--accent); }
.run .recipe .generator { font-style: normal; font-family: var(--mono); font-size: 0.82rem; color: var(--mute); }

.run .paramline {
  margin-top: 0.25rem;
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--mute);
  display: flex;
  flex-wrap: wrap;
  gap: 0 1.1rem;
  row-gap: 2px;
}
.run .paramline .k { color: var(--faint); }

.run .outputs {
  margin-top: 0.45rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0 1.2rem;
  row-gap: 4px;
  font-size: 0.8rem;
  font-family: var(--sans);
}
.run .outputs .tag {
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--faint);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-right: 0.25rem;
}
.run .outputs a[aria-disabled="true"] {
  color: var(--faint);
  font-style: italic;
  cursor: default;
  pointer-events: none;
}
.run .outputs a[aria-disabled="true"]::after {
  content: " — waiting";
  color: var(--faint);
  font-size: 0.72rem;
  font-family: var(--serif);
  font-style: italic;
}

/* empty runs */
.empty {
  padding: 1.4rem 0;
  color: var(--mute);
  font-style: italic;
  font-family: var(--serif);
  border-bottom: 1px solid var(--rule);
}

/* footer */
.colophon {
  max-width: 1440px;
  margin: 0 auto;
  padding: 1rem 2.2rem 2rem;
  color: var(--faint);
  font-size: 0.72rem;
  font-family: var(--mono);
  letter-spacing: 0;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  border-top: 1px solid var(--rule);
}
.colophon span.k { color: var(--mute); }

/* subtle htmx indicator */
.htmx-indicator {
  opacity: 0;
  transition: opacity 180ms ease;
  color: var(--mute);
  font-family: var(--mono);
  font-size: 0.74rem;
}
.htmx-request .htmx-indicator { opacity: 1; }
.htmx-request.htmx-indicator  { opacity: 1; }