/* StoreOpsCo Etsy price calculator. Mobile first; colours from ref-brand.md. */

:root {
  --ground: #0E141B;
  --ground-deep: #0A0E13;
  --surface: #151D27;
  --surface-raised: #1B2531;
  --line: #26313D;
  --ink: #F3F1EC;
  --ink-muted: #8C97A3;
  --signal: #F27A2E;
  --on-signal: #0E141B;
  --ledger: #2FBF71;
  --loss: #FF6B70;
  --caution: #F5A524;

  --font-display: "Plus Jakarta Sans", "Segoe UI", system-ui, -apple-system, Roboto, Arial, sans-serif;
  --font-body: "Inter", "Segoe UI", system-ui, -apple-system, Roboto, Arial, sans-serif;

  --r-input: 8px;
  --r-tile: 14px;
  --r-card: 18px;
  --gutter: 16px;
  --sticky-bar-h: 64px;

  color-scheme: dark;
}

*,
*::before,
*::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  min-height: 100vh;
  background: var(--ground);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 500;
  line-height: 1.5;
  padding-bottom: calc(var(--sticky-bar-h) + 24px + env(safe-area-inset-bottom, 0px));
  overflow-x: hidden;
}

/* Page background: gradient, soft blue highlight at the top, faint orange
   glow in a bottom corner, and a very faint hairline grid. */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(ellipse 90% 45% at 50% -8%, rgba(110, 150, 210, 0.14), transparent 70%),
    radial-gradient(circle at 100% 100%, rgba(242, 122, 46, 0.09), transparent 45%),
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px) 0 0 / 32px 32px,
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px) 0 0 / 32px 32px,
    linear-gradient(180deg, var(--ground) 0%, var(--ground-deep) 100%);
}

h1, h2, h3, p, dl, dd, fieldset { margin: 0; }

a { color: var(--ink); }

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

.skip-link {
  position: absolute;
  left: var(--gutter);
  top: -100px;
  z-index: 20;
  padding: 12px 16px;
  border-radius: 999px;
  background: var(--signal);
  color: var(--on-signal);
  font-weight: 700;
  text-decoration: none;
}
.skip-link:focus { top: 12px; }

/* ---------- header ---------- */

.site-header {
  max-width: 1160px;
  margin: 0 auto;
  padding: 24px var(--gutter) 20px;
}

.wordmark {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 20px;
  letter-spacing: -0.02em;
  color: var(--ink);
  margin-bottom: 28px;
}
.wordmark-co { color: var(--signal); }

h1 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(32px, 9vw, 52px);
  line-height: 1.05;
  letter-spacing: -0.03em;
}

.subhead {
  margin-top: 12px;
  max-width: 60ch;
  color: var(--ink-muted);
  font-size: 16px;
}

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

.layout {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 var(--gutter);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
}

.col-inputs,
.results-sticky {
  display: grid;
  gap: 16px;
  min-width: 0;
}
.col-results { min-width: 0; }

@media (min-width: 960px) {
  body { padding-bottom: 32px; }
  .site-header { padding-top: 36px; padding-bottom: 28px; }
  .layout {
    grid-template-columns: minmax(0, 1fr) 400px;
    align-items: start;
    gap: 24px;
  }
  .col-inputs { grid-column: 1; grid-row: 1; }
  .col-results { grid-column: 2; grid-row: 1 / span 2; align-self: stretch; }
  .next-stack { grid-column: 1; grid-row: 2; }
  .results-sticky {
    position: sticky;
    top: 16px;
    max-height: calc(100vh - 32px);
    overflow-y: auto;
    border-radius: var(--r-card);
    scrollbar-width: thin;
  }
}

/* ---------- cards ---------- */

.card {
  background: linear-gradient(180deg, var(--surface-raised) 0%, var(--surface) 100%);
  border: 1px solid var(--line);
  border-radius: var(--r-card);
  box-shadow: 0 24px 50px -24px rgba(0, 0, 0, 0.8);
  padding: 20px 16px;
  min-width: 0;
}
@media (min-width: 480px) {
  .card { padding: 24px; }
}

.card h2 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 20px;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 16px;
}

.kicker,
.card h2.kicker {
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-muted);
}

/* ---------- fields ---------- */

.field-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
}
@media (min-width: 600px) {
  .field-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

.field { min-width: 0; }

label,
legend {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 6px;
}
.optional { color: var(--ink-muted); font-weight: 500; }

.helper {
  margin-top: 6px;
  font-size: 13px;
  color: var(--ink-muted);
  line-height: 1.45;
}

.input-wrap {
  display: flex;
  align-items: center;
  min-height: 48px;
  background: var(--ground);
  border: 1px solid var(--line);
  border-radius: var(--r-input);
}
.input-wrap:focus-within {
  background: var(--surface-raised);
  border-color: var(--signal);
  outline: 3px solid var(--signal);
  outline-offset: 2px;
}
.input-wrap.has-error { border-color: var(--loss); }
.input-wrap.has-warn { border-color: var(--caution); }

.input-wrap input,
.input-wrap select {
  flex: 1 1 auto;
  min-width: 0;
  width: 100%;
  min-height: 46px;
  padding: 10px 12px;
  border: 0;
  background: transparent;
  color: var(--ink);
  font: inherit;
  font-size: 16px; /* 16px stops phones zooming in on focus */
  font-variant-numeric: tabular-nums;
}
.input-wrap input:focus,
.input-wrap select:focus { outline: none; }
.input-wrap input::placeholder { color: var(--ink-muted); opacity: 1; }

.affix {
  flex: 0 0 auto;
  color: var(--ink-muted);
  font-size: 15px;
  font-weight: 600;
  user-select: none;
}
.prefix { padding-left: 12px; margin-right: -6px; }
.suffix { padding-right: 12px; margin-left: -4px; }

.select-wrap { position: relative; }
.select-wrap select {
  appearance: none;
  -webkit-appearance: none;
  padding-right: 40px;
  cursor: pointer;
}
.select-wrap::after {
  content: "";
  position: absolute;
  right: 16px;
  top: 50%;
  width: 8px;
  height: 8px;
  border-right: 2px solid var(--ink-muted);
  border-bottom: 2px solid var(--ink-muted);
  transform: translateY(-70%) rotate(45deg);
  pointer-events: none;
}
.select-wrap option { background: var(--surface); color: var(--ink); }

.field-msg {
  margin-top: 6px;
  font-size: 13px;
  font-weight: 600;
  color: var(--loss);
}
.field-msg-warn { color: var(--caution); }

/* ---------- materials ---------- */

.materials {
  border: 0;
  padding: 0;
  margin: 24px 0;
  min-width: 0;
}
.materials legend {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 16px;
  letter-spacing: -0.02em;
  padding: 0;
  margin-bottom: 0;
}

.material-lines {
  display: grid;
  gap: 12px;
  margin-top: 12px;
}

.mline {
  border: 1px solid var(--line);
  border-radius: var(--r-tile);
  padding: 8px 12px 14px;
  background: rgba(14, 20, 27, 0.45);
  display: grid;
  gap: 10px;
  min-width: 0;
}

.mline-head {
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
}
.mline-title {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-muted);
}
.mline-cost {
  margin-left: auto;
  font-size: 13px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  color: var(--ink);
  text-align: right;
}

.mline-numbers {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
  align-items: end;
}
.mline-numbers label { font-size: 12px; line-height: 1.3; }
.mline-numbers .input-wrap input { padding-left: 10px; padding-right: 8px; }
.mline-numbers .prefix { padding-left: 10px; }
/* Each line's messages sit under the whole row, so the row stays aligned. */
.mline-numbers .field { display: flex; flex-direction: column; justify-content: flex-end; height: 100%; }
.mline-numbers .field label { margin-top: auto; }

.icon-btn {
  flex: 0 0 auto;
  width: 44px;
  height: 44px;
  margin-right: -8px;
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: var(--ink-muted);
  font-size: 24px;
  line-height: 1;
  cursor: pointer;
}
.icon-btn:hover { background: var(--surface-raised); color: var(--ink); }

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 12px 22px;
  border-radius: 999px;
  border: 1px solid transparent;
  font: inherit;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.2;
  text-align: center;
  text-decoration: none;
  cursor: pointer;
}
.btn-primary {
  background: var(--signal);
  color: var(--on-signal);
}
.btn-primary:hover { background: #F58A44; }
.btn-secondary {
  background: var(--surface);
  color: var(--ink);
  border-color: var(--line);
}
.btn-secondary:hover { background: var(--surface-raised); border-color: #3A4757; }
.btn-small {
  min-height: 44px;
  padding: 8px 16px;
  font-size: 14px;
  white-space: nowrap;
}
.btn-add { margin-top: 12px; width: 100%; }
@media (min-width: 600px) {
  .btn-add { width: auto; }
}

/* ---------- settings (collapsible) ---------- */

.card-settings details > summary {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 44px;
  align-items: center;
  column-gap: 12px;
  min-height: 44px;
  list-style: none;
  cursor: pointer;
  border-radius: var(--r-input);
}
.card-settings details > summary::-webkit-details-marker { display: none; }
.card-settings summary h2 { grid-column: 1; }
.summary-sub {
  grid-column: 1;
  margin-top: 4px;
  font-size: 13px;
  color: var(--ink-muted);
}
.chevron {
  grid-column: 2;
  grid-row: 1 / span 2;
  justify-self: end;
  width: 44px;
  height: 44px;
  border-radius: 999px;
  border: 1px solid var(--line);
  position: relative;
}
.chevron::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: 8px;
  height: 8px;
  border-right: 2px solid var(--ink);
  border-bottom: 2px solid var(--ink);
  transform: translate(-50%, -70%) rotate(45deg);
}
details[open] .chevron::after { transform: translate(-50%, -30%) rotate(-135deg); }

.settings-note { margin: 16px 0; }
.card-settings .btn-small { margin-top: 20px; }

/* ---------- result ---------- */

.card-result:focus { outline: none; }
.card-result:focus-visible { outline: 3px solid var(--signal); outline-offset: 2px; }

.big-price {
  margin-top: 6px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(48px, 15vw, 64px);
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--signal);
  font-variant-numeric: tabular-nums;
  text-shadow: 0 0 40px rgba(242, 122, 46, 0.45); /* the one glow on the page */
  overflow-wrap: anywhere;
}
.rec-basis {
  margin-top: 8px;
  color: var(--ink-muted);
  font-size: 14px;
}

.notice {
  margin-top: 12px;
  padding: 12px 14px;
  border-radius: var(--r-input);
  border: 1px solid var(--line);
  background: var(--ground);
  font-size: 14px;
  font-weight: 600;
}
.notice-error {
  border-color: var(--loss);
  color: var(--ink);
}

.current {
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}
.current-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px 12px;
}
.current-label { font-size: 14px; font-weight: 600; }

.pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid currentColor;
  font-size: 13px;
  font-weight: 700;
  white-space: nowrap;
}
.pill::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: currentColor;
}
.pill-losing { color: var(--loss); background: rgba(255, 107, 112, 0.1); }
.pill-below { color: var(--caution); background: rgba(245, 165, 36, 0.1); }
.pill-healthy { color: var(--ledger); background: rgba(47, 191, 113, 0.1); }
.pill-none { color: var(--ink-muted); }

.tiles {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
  margin-top: 14px;
}
.tile {
  background: var(--ground);
  border: 1px solid var(--line);
  border-radius: var(--r-tile);
  padding: 10px 10px 12px;
  min-width: 0;
}
.tile-label {
  font-size: 12px;
  color: var(--ink-muted);
  font-weight: 600;
}
.tile-value {
  margin-top: 4px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(16px, 5vw, 20px);
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
  overflow-wrap: anywhere;
}
.is-profit { color: var(--ledger); }
.is-loss { color: var(--loss); }

.gap-note {
  margin-top: 10px;
  font-size: 13px;
  color: var(--ink-muted);
}

.no-current { margin-top: 16px; }

.cost-summary {
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  display: grid;
  gap: 6px;
}
.cost-row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  font-size: 14px;
  color: var(--ink-muted);
}
.cost-row dd { font-variant-numeric: tabular-nums; color: var(--ink); font-weight: 600; }
.cost-total { color: var(--ink); font-weight: 700; font-size: 15px; }
.cost-total dd { font-weight: 700; }
.cost-row:not(.cost-total) dt { padding-left: 12px; }

/* ---------- receipt ---------- */

.card-receipt .helper { margin-top: 6px; }

.receipt {
  margin-top: 14px;
  display: grid;
}
.receipt-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  padding: 8px 0;
  border-bottom: 1px dashed var(--line);
  font-size: 14px;
}
.receipt-row dd {
  font-variant-numeric: tabular-nums;
  font-weight: 600;
  text-align: right;
  white-space: nowrap;
}
.receipt-row.is-zero { color: var(--ink-muted); }
.receipt-sub { color: var(--ink-muted); }
.receipt-sub dd { color: var(--ink); }
.receipt-received {
  font-weight: 700;
  border-bottom: 1px solid var(--line);
  margin-bottom: 4px;
}
.receipt-profit {
  border-bottom: 0;
  border-top: 1px solid var(--line);
  margin-top: 4px;
  padding-top: 12px;
  font-size: 16px;
  font-weight: 700;
  color: var(--ledger);
}
.receipt-profit dd {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 20px;
  letter-spacing: -0.02em;
}
.receipt-profit.is-loss { color: var(--loss); }

/* ---------- next step ---------- */

.next-stack { display: grid; gap: 16px; min-width: 0; }
[hidden] { display: none !important; }
.more-products {
  margin-top: 8px;
  font-size: 13px;
  color: var(--ink-muted);
}
.more-products a {
  color: var(--signal);
  text-decoration: underline;
  display: inline-block;
  padding: 12px 0;
  margin: -12px 0;
}
.signup-note {
  margin-top: 12px;
  font-size: 13px;
}
.card-next p,
.card-signup p {
  margin-top: 8px;
  color: var(--ink-muted);
  max-width: 60ch;
}
.next-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 18px;
}
.next-actions .btn { flex: 1 1 240px; }
@media (min-width: 600px) {
  .next-actions .btn { flex: 0 1 auto; }
}

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

.site-footer {
  max-width: 1160px;
  margin: 0 auto;
  padding: 32px var(--gutter) 16px;
  font-size: 13px;
  color: var(--ink-muted);
  display: grid;
  gap: 8px;
}
.site-footer p { max-width: 70ch; }
.made-by { margin-top: 8px; }
.wordmark-inline {
  font-family: var(--font-display);
  font-weight: 800;
  color: var(--ink);
  letter-spacing: -0.02em;
}

/* ---------- sticky price bar (phones and tablets) ---------- */

.sticky-bar {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: var(--sticky-bar-h);
  padding: 10px var(--gutter) calc(10px + env(safe-area-inset-bottom, 0px));
  background: rgba(21, 29, 39, 0.96);
  border-top: 1px solid var(--line);
  box-shadow: 0 -12px 30px -12px rgba(0, 0, 0, 0.8);
  color: var(--ink);
  text-decoration: none;
  transition: transform 0.2s ease;
}
.sticky-bar:focus-visible { outline-offset: -3px; }
.sticky-label {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-muted);
}
.sticky-price {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 24px;
  letter-spacing: -0.02em;
  color: var(--signal);
  font-variant-numeric: tabular-nums;
}
.sticky-more {
  margin-left: auto;
  font-size: 13px;
  font-weight: 700;
  padding: 10px 14px;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  border: 1px solid var(--line);
}
@media (max-width: 380px) {
  .sticky-label { letter-spacing: 0.08em; font-size: 11px; }
}

/* While the result card is on screen the bar is not needed. */
.result-in-view .sticky-bar {
  transform: translateY(110%);
  visibility: hidden;
  transition: transform 0.2s ease, visibility 0s linear 0.2s;
}

@media (min-width: 960px) {
  .sticky-bar { display: none; }
}

[hidden] { display: none !important; }

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    transition: none !important;
    animation: none !important;
    scroll-behavior: auto !important;
  }
}

@media (prefers-reduced-motion: no-preference) {
  html { scroll-behavior: smooth; }
}