/* Depop Fee Calculator — single stylesheet, no frameworks, system fonts only */

:root {
  --ink: #16181d;
  --ink-soft: #5b616e;
  --ink-faint: #8a90a0;
  --paper: #f6f6f4;
  --card: #ffffff;
  --line: #e4e4df;
  --accent: #0e6b4f;      /* deep emerald — payout & primary actions */
  --accent-ink: #ffffff;
  --accent-soft: #e7f3ee;
  --warn: #b3392e;        /* errors / negative profit */
  --warn-soft: #fdf0ee;
  --radius: 14px;
  --radius-sm: 9px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background: var(--paper);
  color: var(--ink);
  font-size: 16px;
  line-height: 1.55;
  font-variant-numeric: tabular-nums;
}

/* ---------- header / footer ---------- */
.site-head {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 14px clamp(16px, 4vw, 32px);
  border-bottom: 1px solid var(--line);
  background: var(--card);
}
.brand-mark { color: var(--accent); font-size: 14px; }
.brand-name { font-weight: 650; letter-spacing: -0.01em; font-size: 15px; color: var(--ink); }

.site-foot {
  padding: 28px clamp(16px, 4vw, 32px) 40px;
  color: var(--ink-faint);
  font-size: 13px;
  max-width: 880px;
}

/* ---------- layout ---------- */
main { max-width: 880px; margin: 0 auto; padding: 0 clamp(16px, 4vw, 32px); }

/* ---------- tool (first screen) ---------- */
.tool { padding-top: clamp(16px, 2.5vw, 28px); }

h1 {
  font-size: clamp(24px, 4.5vw, 32px);
  font-weight: 750;
  letter-spacing: -0.02em;
  line-height: 1.15;
}
.tool-sub {
  color: var(--ink-soft);
  font-size: 15px;
  margin: 6px 0 18px;
}

/* desktop: form left, results right — payout visible in the first screen */
@media (min-width: 980px) {
  .tool {
    display: grid;
    grid-template-columns: minmax(0, 7fr) minmax(0, 6fr);
    gap: 0 18px;
    align-items: start;
  }
  .tool > h1, .tool > .tool-sub { grid-column: 1 / -1; }
  .tool > form { grid-column: 1; min-width: 0; }
  .tool > .results {
    grid-column: 2;
    position: sticky;
    top: 14px;
    margin-bottom: 0;
    align-self: start;
  }
  .tool .cols { grid-template-columns: 1fr; } /* narrow form column: stack the two fieldsets */
}

.block {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--card);
  padding: 16px 16px 18px;
  margin-bottom: 14px;
  min-width: 0;
}
legend {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-faint);
  padding: 0 6px;
}

/* region chips */
.region-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}
.region-chip { position: relative; display: block; cursor: pointer; }
.region-chip input {
  position: absolute;
  opacity: 0;
  inset: 0;
  cursor: pointer;
}
.region-chip span {
  display: block;
  text-align: center;
  padding: 9px 4px;
  border: 1.5px solid var(--line);
  border-radius: var(--radius-sm);
  font-size: 13.5px;
  font-weight: 600;
  color: var(--ink-soft);
  background: var(--card);
  transition: border-color .15s ease, background-color .15s ease, color .15s ease;
}
.region-chip input:checked + span {
  border-color: var(--accent);
  background: var(--accent-soft);
  color: var(--accent);
}
.region-chip input:focus-visible + span { outline: 2px solid var(--accent); outline-offset: 2px; }
@media (hover: hover) {
  .region-chip:hover span { border-color: var(--accent); color: var(--accent); }
}

/* two-column inputs on wide screens */
.cols { display: grid; gap: 14px; }
@media (min-width: 720px) {
  .cols { grid-template-columns: 1fr 1fr; align-items: start; }
}

/* fields */
.field { margin-top: 12px; }
.field:first-of-type { margin-top: 2px; }
label {
  display: block;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 5px;
}
label .opt, .opt { color: var(--ink-faint); font-weight: 500; font-size: 12.5px; }

input[type="number"] {
  width: 100%;
  padding: 10px 12px;
  font: inherit;
  font-variant-numeric: tabular-nums;
  border: 1.5px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--card);
  color: var(--ink);
  transition: border-color .15s ease;
  min-height: 44px; /* comfortable tap target */
}
input[type="number"]:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
input[type="number"].invalid { border-color: var(--warn); background: var(--warn-soft); }

.hint { font-size: 12.5px; color: var(--ink-faint); margin-top: 5px; line-height: 1.45; }

/* switches */
.switch-field { margin-top: 14px; }
.switch-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  cursor: pointer;
  margin-bottom: 0;
  font-size: 14.5px;
}
.switch { position: relative; flex: 0 0 auto; }
.switch input { position: absolute; opacity: 0; width: 100%; height: 100%; cursor: pointer; }
.slider {
  display: block;
  width: 42px;
  height: 25px;
  background: #d4d6d2;
  border-radius: 999px;
  transition: background-color .18s ease;
  position: relative;
}
.slider::after {
  content: "";
  position: absolute;
  top: 3px;
  left: 3px;
  width: 19px;
  height: 19px;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 1px 3px rgba(0,0,0,.25);
  transition: transform .18s ease;
}
.switch input:checked + .slider { background: var(--accent); }
.switch input:checked + .slider::after { transform: translateX(17px); }
.switch input:focus-visible + .slider { outline: 2px solid var(--accent); outline-offset: 2px; }

/* ---------- results ---------- */
.results {
  border: 1.5px solid var(--ink);
  border-radius: var(--radius);
  background: var(--card);
  padding: 18px 16px 16px;
  margin-bottom: 14px;
}
.payout-hero {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 6px 4px 14px;
  border-bottom: 1px dashed var(--line);
  margin-bottom: 12px;
}
.payout-label {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-faint);
}
.payout-value {
  font-size: clamp(34px, 7vw, 46px);
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--accent);
  line-height: 1.05;
  font-variant-numeric: tabular-nums;
}
.payout-note { font-size: 12.5px; color: var(--ink-faint); }

.breakdown .row, .profit .row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 16px;
  padding: 7px 4px;
  font-size: 14.5px;
}
.breakdown .row dt, .profit .row dt { color: var(--ink-soft); }
.breakdown .row dd, .profit .row dd {
  font-weight: 650;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}
.breakdown .row.fee dd { color: var(--ink); }
.breakdown .row.total {
  border-top: 1px solid var(--line);
  margin-top: 4px;
  padding-top: 10px;
  font-weight: 700;
}
.breakdown .row.total dt { color: var(--ink); font-weight: 700; }

.profit {
  margin-top: 12px;
  border-top: 1px dashed var(--line);
  padding-top: 8px;
}
.profit .row dd { font-size: 15.5px; font-weight: 750; }
.profit .row dd.negative { color: var(--warn); }
.profit .row dd.positive { color: var(--accent); }

.flash { animation: flash .35s ease; }
@keyframes flash { from { background: var(--accent-soft); } to { background: transparent; } }

/* copy button */
.copy-btn {
  margin-top: 14px;
  width: 100%;
  min-height: 46px;
  font: inherit;
  font-size: 15px;
  font-weight: 700;
  color: var(--accent-ink);
  background: var(--accent);
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background-color .15s ease, transform .1s ease;
}
.copy-btn:hover { background: #0c5d44; }
.copy-btn:active { transform: scale(.985); }
.copy-btn.copied { background: var(--ink); }
.copy-note { min-height: 18px; font-size: 12.5px; color: var(--accent); margin-top: 6px; text-align: center; }

.buyer-note { font-size: 12.5px; color: var(--ink-faint); margin-top: 10px; line-height: 1.5; }

/* ---------- body content ---------- */
.content { padding: 26px 0 10px; border-top: 1px solid var(--line); }
.content h2 {
  font-size: 19px;
  font-weight: 750;
  letter-spacing: -0.015em;
  margin: 26px 0 10px;
}
.content p, .content li { color: var(--ink-soft); font-size: 15px; }
.content ul { padding-left: 20px; display: grid; gap: 6px; margin: 8px 0; }

.table-wrap { overflow-x: auto; margin: 12px 0 4px; border: 1px solid var(--line); border-radius: var(--radius-sm); background: var(--card); }
.rate-table { width: 100%; border-collapse: collapse; font-size: 14px; min-width: 560px; }
.rate-table th, .rate-table td {
  text-align: left;
  padding: 10px 14px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}
.rate-table th { font-size: 12px; text-transform: uppercase; letter-spacing: .06em; color: var(--ink-faint); background: #fbfbfa; }
.rate-table tr:last-child td { border-bottom: none; }
.rate-table td { font-variant-numeric: tabular-nums; color: var(--ink); }
.rate-table td:first-child { font-weight: 600; }

.faq dt { font-weight: 700; font-size: 15px; margin-top: 16px; color: var(--ink); }
.faq dd { color: var(--ink-soft); font-size: 15px; margin-top: 4px; }

/* content pages (about / privacy / contact) + footer nav (additive) */
.site-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.site-nav { display: flex; flex-wrap: wrap; gap: 4px 16px; }
.site-nav a { color: var(--ink-soft); font-size: 13.5px; font-weight: 600; text-decoration: none; padding: 4px 2px; }
.site-nav a:hover { color: var(--accent); }
.site-nav a[aria-current="page"] { color: var(--accent); border-bottom: 2px solid var(--accent); }
.brand-link { display: flex; align-items: center; gap: 8px; color: inherit; text-decoration: none; }
.page { padding-top: clamp(18px, 3vw, 34px); }
.page h1 { margin-bottom: 14px; }
.page .content h2 { margin-top: 24px; }
.page .content a { color: var(--accent); }
.contact-email a { font-size: 20px; font-weight: 700; color: var(--accent); }
.foot-nav { display: flex; flex-wrap: wrap; gap: 6px 18px; margin-bottom: 12px; }
.foot-nav a { color: var(--ink-soft); font-size: 13.5px; text-decoration: none; }
.foot-nav a:hover { color: var(--accent); text-decoration: underline; }

/* ---------- reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
}