/* ============================================================
   Compound Sportswear — SKU System
   Tokens: teal #24C1DB / black / white / graphite. Oswald display,
   Source Sans 3 body, IBM Plex Mono for codes & data (earned: this page
   IS numbers and SKU strings).
   ============================================================ */

:root {
  --ink: #0a0a0a;
  --paper: #ffffff;
  --paper-sunk: #f4f5f6;
  --graphite: #4a4f54;
  --graphite-soft: #8b9096;
  --line: #dcdfe2;
  --line-strong: #0a0a0a;
  --teal: #24c1db;
  --teal-deep: #1497ac;
  --teal-ink: #063a43;
  --amber: #b8860b;
  --amber-bg: #fdf6e3;
  --error: #c62828;
  --success: #1e7a3d;

  --font-display: "Oswald", "Arial Narrow", sans-serif;
  --font-body: "Source Sans 3", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, "SF Mono", Consolas, monospace;

  --radius: 2px;
  --shadow-sm: 0 1px 2px rgba(10,10,10,0.08);
  --shadow-md: 0 4px 16px rgba(10,10,10,0.10);
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }

::selection { background: var(--teal); color: var(--ink); }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

::-webkit-scrollbar { width: 12px; height: 12px; }
::-webkit-scrollbar-track { background: var(--paper-sunk); }
::-webkit-scrollbar-thumb { background: var(--graphite-soft); border: 3px solid var(--paper-sunk); border-radius: 8px; }
::-webkit-scrollbar-thumb:hover { background: var(--graphite); }

a { color: var(--teal-deep); }
a:hover { color: var(--ink); }

:focus-visible {
  outline: 3px solid var(--teal);
  outline-offset: 2px;
}

.skip-link a {
  position: absolute; left: -999px; top: 0;
  background: var(--ink); color: var(--paper); padding: 10px 16px; z-index: 100;
}
.skip-link a:focus { left: 0; }

/* ---------------------------------- masthead */

.masthead {
  background: var(--ink);
  color: var(--paper);
  border-bottom: 4px solid var(--teal);
}
.masthead__inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 22px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}
/* align-items:center keeps the lockup off flex's cross-axis stretch; the img also
   carries both hard dimensions inline so its 4.398:1 ratio can never be distorted. */
.wordmark { display: flex; align-items: center; gap: 16px; }
.wordmark__lockup { display: block; width: 185px; height: 42px; flex-shrink: 0; }
.wordmark__product {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  color: var(--teal);
  text-transform: uppercase;
  padding-left: 16px;
  border-left: 1px solid rgba(255,255,255,0.22);
  white-space: nowrap;
}
.masthead__sheet-link {
  font-family: var(--font-display);
  font-size: 0.85rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--paper);
  text-decoration: none;
  border: 1.5px solid rgba(255,255,255,0.35);
  padding: 9px 16px;
  border-radius: var(--radius);
  white-space: nowrap;
  transition: border-color 0.15s ease, background-color 0.15s ease;
}
.masthead__sheet-link:hover {
  color: var(--ink);
  background: var(--teal);
  border-color: var(--teal);
}

/* ---------------------------------- tabs */

.tabs {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 28px;
  display: flex;
  gap: 4px;
  border-bottom: 1px solid var(--line);
}
.tabs__btn {
  font-family: var(--font-display);
  font-size: 0.95rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  background: none;
  border: none;
  padding: 16px 6px;
  margin-right: 22px;
  color: var(--graphite-soft);
  cursor: pointer;
  border-bottom: 3px solid transparent;
  transform: translateY(1px);
  transition: color 0.15s ease;
}
.tabs__btn:hover { color: var(--ink); }
.tabs__btn.is-active {
  color: var(--ink);
  border-bottom-color: var(--teal);
}

/* ---------------------------------- layout / panel */

main { max-width: 1100px; margin: 0 auto; padding: 0 28px 80px; }
.panel.is-hidden { display: none; }

.panel-head {
  padding-top: 40px;
  margin-bottom: 28px;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}
.panel-head__eyebrow {
  display: none; /* refused per craft-floor: no kicker/eyebrow above heading */
}
.panel-head__title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(2rem, 4vw, 2.9rem);
  letter-spacing: 0.01em;
  margin: 0;
  text-transform: uppercase;
}
.panel-head__sub {
  font-size: 1.02rem;
  color: var(--graphite);
  max-width: 62ch;
  margin: -18px 0 0;
  flex-basis: 100%;
}

.print-title { display: none; }

/* ---------------------------------- buttons */

.btn {
  font-family: var(--font-display);
  font-size: 0.85rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border-radius: var(--radius);
  cursor: pointer;
  transition: background-color 0.15s ease, color 0.15s ease, border-color 0.15s ease, transform 0.1s ease;
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }
.btn--primary {
  background: var(--ink);
  color: var(--paper);
  border: 1.5px solid var(--ink);
  padding: 13px 26px;
}
.btn--primary:hover { background: var(--teal-deep); border-color: var(--teal-deep); color: var(--ink); }
.btn--primary:disabled { background: var(--graphite-soft); border-color: var(--graphite-soft); cursor: not-allowed; }
.btn--ghost {
  background: none;
  border: 1.5px solid var(--line-strong);
  color: var(--ink);
  padding: 11px 20px;
}
.btn--ghost:hover { background: var(--ink); color: var(--paper); }
.btn--small { padding: 8px 16px; font-size: 0.78rem; }
.btn--tiny { padding: 5px 10px; font-size: 0.68rem; }

/* ---------------------------------- formula strip */

.formula-strip {
  display: grid;
  grid-template-columns: 1fr 1.6fr 1fr 1fr;
  gap: 2px;
  background: var(--line-strong);
  border: 2px solid var(--line-strong);
  margin-bottom: 14px;
}
.formula-strip__part {
  background: var(--ink);
  color: var(--paper);
  padding: 22px 18px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  align-items: flex-start;
}
.formula-strip__part--family { background: #131313; }
.formula-strip__part--variant,
.formula-strip__part--vendor { background: var(--teal-ink); }
.formula-strip__value {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: clamp(1.3rem, 3.4vw, 2rem);
  color: var(--teal);
  letter-spacing: 0.02em;
}
.formula-strip__tag {
  font-family: var(--font-display);
  font-size: 0.68rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.6);
}
.formula-strip__read {
  font-size: 0.95rem;
  color: var(--graphite);
  margin: 0 0 44px;
}
.formula-strip__read strong { color: var(--ink); }

/* ---------------------------------- rule grid */

.rule-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  margin-bottom: 40px;
}
.rule-block {
  background: var(--paper);
  padding: 28px 30px 32px;
  display: flex;
  gap: 20px;
}
.rule-block__num {
  font-family: var(--font-display);
  font-size: 2.6rem;
  font-weight: 600;
  color: var(--line);
  margin: 0;
  line-height: 0.85;
  flex-shrink: 0;
}
.rule-block__body { min-width: 0; }
.rule-block h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  margin: 0 0 12px;
}
.rule-block__optional {
  font-family: var(--font-body);
  font-size: 0.7rem;
  text-transform: none;
  letter-spacing: normal;
  color: var(--graphite-soft);
  font-weight: 500;
  border: 1px solid var(--line);
  padding: 2px 7px;
  border-radius: 10px;
  vertical-align: middle;
  margin-left: 6px;
}
.rule-block__prose {
  font-size: 0.92rem;
  color: var(--graphite);
  line-height: 1.6;
  margin: 0;
}
.mono { font-family: var(--font-mono); font-size: 0.92em; }

.spec-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.86rem;
}
.spec-table th {
  font-family: var(--font-display);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-align: left;
  color: var(--graphite-soft);
  padding: 0 10px 8px 0;
  border-bottom: 2px solid var(--ink);
}
.spec-table td {
  padding: 8px 10px 8px 0;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
  color: var(--graphite);
}
.spec-table td:first-child { color: var(--ink); font-weight: 500; white-space: nowrap; }
.spec-table--compact td { padding: 6px 8px 6px 0; font-size: 0.84rem; }
.spec-table--compact td:nth-child(3) { padding-left: 16px; }

/* ---------------------------------- issues */

.issues {
  background: var(--amber-bg);
  border: 1px solid #e8d9a8;
  border-radius: var(--radius);
  padding: 22px 26px;
  margin-bottom: 20px;
}
.issues__title {
  font-family: var(--font-display);
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--amber);
  margin: 0 0 12px;
}
.issues__list { margin: 0; padding-left: 18px; font-size: 0.88rem; color: #5c4a13; line-height: 1.65; }
.issues__list li { margin-bottom: 6px; }
.issues__list strong { color: var(--ink); }

.print-footer { display: none; }

/* ---------------------------------- add product form */

/* connection status line under the form */
.add-form__connect {
  display: flex;
  align-items: center;
  gap: 9px;
  font-size: 0.85rem;
  color: var(--graphite);
  margin: 20px 0 0;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}
.connect-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--graphite-soft);
  flex-shrink: 0;
}
.connect-dot.is-ok { background: var(--success); }
.linkbtn {
  background: none;
  border: none;
  padding: 0;
  font: inherit;
  color: var(--teal-deep);
  text-decoration: underline;
  text-underline-offset: 3px;
  cursor: pointer;
}
.linkbtn:hover { color: var(--ink); }

/* saved-products log */
.recent { margin-top: 34px; }
.recent.is-hidden { display: none; }
.recent__title {
  font-family: var(--font-display);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--graphite-soft);
  margin: 0 0 10px;
}
.recent__list { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--line); }
.recent__item {
  display: flex;
  align-items: baseline;
  gap: 18px;
  padding: 10px 2px;
  border-bottom: 1px solid var(--line);
  font-size: 0.9rem;
}
.recent__sku {
  font-family: var(--font-mono);
  color: var(--teal-deep);
  width: 160px;
  flex-shrink: 0;
}
.recent__name { color: var(--graphite); }

.setup-panel {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px 28px 28px;
  margin-top: 26px;
  background: var(--paper-sunk);
}
.setup-panel.is-hidden { display: none; }
.setup-panel__title {
  font-family: var(--font-display);
  font-size: 1.05rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin: 0 0 8px;
}
.setup-panel__intro { font-size: 0.9rem; color: var(--graphite); margin: 0 0 16px; max-width: 68ch; }
.setup-panel__actions { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; margin-top: 14px; }
.setup-steps { padding-left: 20px; font-size: 0.9rem; line-height: 1.7; margin: 0 0 4px; color: var(--graphite); }
.setup-steps li { margin-bottom: 8px; }
.setup-steps strong, .setup-steps em { color: var(--ink); }

.code-block {
  position: relative;
  background: var(--ink);
  color: #d7fbff;
  border-radius: var(--radius);
  padding: 16px 18px;
  margin: 10px 0;
  overflow-x: auto;
}
.code-block pre {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  line-height: 1.55;
  white-space: pre;
}
.code-block__copy {
  position: absolute;
  top: 10px;
  right: 10px;
  border-color: rgba(255,255,255,0.35);
  color: var(--paper);
}
.code-block__copy:hover { background: var(--teal); border-color: var(--teal); color: var(--ink); }

.setup-panel__note {
  font-size: 0.85rem;
  margin: 10px 0 0;
  min-height: 1.2em;
}
.setup-panel__note.is-ok { color: var(--success); }
.setup-panel__note.is-error { color: var(--error); }

.add-form { margin-top: 8px; }
.add-form__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px 28px;
  margin-bottom: 28px;
}
.field-row--wide { grid-column: 1 / -1; }

.field-label {
  display: block;
  font-family: var(--font-display);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 8px;
}
.field-label__hint {
  display: block;
  font-family: var(--font-body);
  font-size: 0.78rem;
  letter-spacing: normal;
  text-transform: none;
  color: var(--graphite-soft);
  font-weight: 400;
  margin-top: 2px;
}
.field-input {
  width: 100%;
  font-family: var(--font-body);
  font-size: 0.95rem;
  padding: 12px 14px;
  border: 1.5px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper);
  color: var(--ink);
  transition: border-color 0.15s ease;
}
.field-input.mono { font-family: var(--font-mono); letter-spacing: 0.02em; }
.field-input:hover { border-color: var(--graphite-soft); }
.field-input:focus { border-color: var(--teal); outline: none; box-shadow: 0 0 0 3px rgba(36,193,219,0.25); }
/* Only flag invalid after the visitor has actually left the field (or tried to submit) —
   never on first paint, where every required-but-empty field would show red immediately. */
.field-input.is-touched:invalid { border-color: var(--error); }
select.field-input { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 8'%3E%3Cpath fill='%234a4f54' d='M6 8 0 0h12z'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 14px center; background-size: 11px 7px; padding-right: 38px; }

.sku-panel {
  background: var(--ink);
  border-radius: var(--radius);
  padding: 22px 26px;
  margin-bottom: 24px;
}
.sku-panel__row {
  display: flex;
  align-items: baseline;
  gap: 18px;
  flex-wrap: wrap;
}
.sku-panel__row--sub {
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid rgba(255,255,255,0.14);
}
.sku-panel__label {
  font-family: var(--font-display);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: #9aa1a7;
  width: 118px;
  flex-shrink: 0;
}
.sku-panel__value {
  font-family: var(--font-mono);
  font-size: 1.55rem;
  color: var(--teal);
  letter-spacing: 0.02em;
  word-break: break-word;
}
.sku-panel__value.is-incomplete { color: #9aa1a7; font-size: 0.95rem; }
.sku-panel__vendors {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  color: #e4e7e9;
  word-break: break-word;
}

.add-form__actions { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
.add-form__status { font-size: 0.9rem; }
.add-form__status.is-error { color: var(--error); }
.add-form__status.is-success { color: var(--success); }
.add-form__status.is-pending { color: var(--graphite); }

/* ---------------------------------- footer */

.site-footer {
  border-top: 1px solid var(--line);
  padding: 24px 28px 40px;
  max-width: 1100px;
  margin: 0 auto;
}
.site-footer p { font-size: 0.8rem; color: var(--graphite-soft); margin: 0; }

/* ---------------------------------- responsive */

@media (max-width: 760px) {
  .formula-strip { grid-template-columns: 1fr 1fr; }
  .rule-grid { grid-template-columns: 1fr; }
  .add-form__grid { grid-template-columns: 1fr; }
  .masthead__inner { padding: 18px 20px; }
  main { padding: 0 20px 60px; }
  .tabs { padding: 0 20px; }
}

/* ---------------------------------- print */

@media print {
  body { font-size: 12pt; }
  .no-print { display: none !important; }
  .masthead { display: none; }
  main { max-width: none; padding: 0; }
  .print-title {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    border-bottom: 3px solid #000;
    padding-bottom: 10px;
    margin-bottom: 18px;
    font-family: var(--font-display);
  }
  .print-title span:first-child { font-weight: 600; font-size: 1.1rem; }
  .print-title span:last-child { font-family: var(--font-mono); font-size: 0.75rem; letter-spacing: 0.1em; }
  .panel-head { padding-top: 0; }
  .formula-strip__part,
  .formula-strip__part--family,
  .formula-strip__part--variant,
  .formula-strip__part--vendor { background: #000 !important; -webkit-print-color-adjust: exact; print-color-adjust: exact; }
  .formula-strip__value { color: #6fd8e8 !important; -webkit-print-color-adjust: exact; print-color-adjust: exact; }
  .rule-grid { break-inside: avoid; }
  .rule-block { break-inside: avoid; padding: 18px 20px; }
  .issues { break-inside: avoid; background: #fdf6e3 !important; -webkit-print-color-adjust: exact; print-color-adjust: exact; }
  .print-footer {
    display: block;
    margin-top: 24px;
    padding-top: 10px;
    border-top: 1px solid #000;
    font-size: 8pt;
    color: #444;
  }
  @page { margin: 16mm 14mm; }
}

.setup-panel__sub {
  font-family: var(--font-display);
  font-size: 0.85rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin: 22px 0 6px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}
.setup-panel__sub:first-of-type { border-top: none; padding-top: 0; margin-top: 14px; }

/* ---------------------------------- field notes & collision warnings */
.field-note {
  font-size: 0.8rem;
  margin: 6px 0 0;
  min-height: 1.1em;
  color: var(--graphite-soft);
}
.field-note.is-known { color: var(--teal-deep); }
.field-note.is-new { color: var(--success); }

.sku-panel__warning {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px solid rgba(255,255,255,0.14);
  font-size: 0.88rem;
  color: #ff9b9b;
}
.sku-panel__warning.is-hidden { display: none; }

/* ---------------------------------- catalog */
.catalog-controls {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}
.catalog-controls .field-input { flex: 1 1 320px; }
.catalog-count {
  font-family: var(--font-display);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--graphite-soft);
  white-space: nowrap;
}
.catalog-scroll {
  overflow-x: auto;
  border: 1px solid var(--line);
  max-height: 70vh;
  overflow-y: auto;
}
.catalog-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.86rem;
}
.catalog-table thead th {
  position: sticky;
  top: 0;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-display);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-align: left;
  padding: 10px 12px;
  white-space: nowrap;
  z-index: 1;
}
.catalog-table td {
  padding: 9px 12px;
  border-bottom: 1px solid var(--line);
  color: var(--graphite);
  vertical-align: top;
}
.catalog-table td:first-child {
  font-family: var(--font-mono);
  color: var(--ink);
  white-space: nowrap;
}
.catalog-table td:nth-child(2) { color: var(--ink); }
.catalog-table tbody tr:hover td { background: var(--paper-sunk); }
.catalog-table tr.is-added td:first-child { color: var(--teal-deep); font-weight: 500; }