:root {
  --paper: #fbf5e6;
  --paper-2: #f4ead2;
  --card: #fffdf6;
  --ink: #2b3550;
  --ink-soft: #6a6f80;
  --line: #e4d6b4;
  --sky: #8ccbec;
  --ribbon: #d9473f;
  --gold: #c8912a;
  --gold-soft: #f6e3b0;
  --leaf: #4f8a5b;
  --radius: 16px;
  --display: 'Kiwi Maru', 'Hiragino Mincho ProN', Georgia, serif;
  --body: 'Zen Maru Gothic', 'Hiragino Maru Gothic ProN', system-ui, sans-serif;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background:
    radial-gradient(circle at 20% 120%, #efe0b9 0, transparent 40%),
    var(--paper);
  color: var(--ink);
  font: 500 16px/1.45 var(--body);
  -webkit-font-smoothing: antialiased;
  min-height: 100dvh;
}
button, input, select { font: inherit; color: inherit; }
[hidden] { display: none !important; }

/* ---------- sky header ---------- */
.sky { position: relative; padding-top: env(safe-area-inset-top); }
.sky-art { display: block; width: 100%; height: 150px; }
.flyer { animation: drift 7s ease-in-out infinite; }
@keyframes drift {
  0%, 100% { transform: translate(212px, 52px) rotate(-8deg); }
  50% { transform: translate(206px, 44px) rotate(-5deg); }
}
@media (prefers-reduced-motion: reduce) { .flyer { animation: none; } }
.sky-bar {
  max-width: 560px; margin: -18px auto 0; padding: 0 16px;
  display: flex; align-items: end; justify-content: space-between; gap: 12px;
  position: relative;
}
.brand h1 {
  font: 500 26px/1.1 var(--display);
  margin: 0; letter-spacing: .01em;
}
.brand h1 em { font-style: normal; color: var(--gold); }
.brand p { margin: 4px 0 0; color: var(--ink-soft); font-size: 13px; }
.currency-pick { display: grid; gap: 2px; font-size: 12px; color: var(--ink-soft); text-align: right; }

select, input[type=number], input[type=text] {
  background: var(--card);
  border: 1.5px solid var(--line);
  border-radius: 10px;
  padding: 9px 10px;
  min-height: 42px;
  outline: none;
  transition: border-color .15s, box-shadow .15s;
}
select { padding-right: 26px; appearance: none;
  background-image: linear-gradient(45deg, transparent 50%, var(--ink-soft) 50%), linear-gradient(135deg, var(--ink-soft) 50%, transparent 50%);
  background-position: calc(100% - 15px) 50%, calc(100% - 10px) 50%;
  background-size: 5px 5px; background-repeat: no-repeat;
}
select:focus, input:focus { border-color: var(--sky); box-shadow: 0 0 0 3px rgba(140, 203, 236, .35); }
input[type=number] { font-variant-numeric: tabular-nums; }

main { max-width: 560px; margin: 0 auto; padding: 16px 16px 8px; }

.card {
  background: var(--card);
  border: 1.5px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 1px 0 #fff inset, 0 6px 18px -12px rgba(80, 60, 20, .35);
}

/* ---------- spot ---------- */
.spot {
  background: linear-gradient(160deg, #fff8e2, var(--gold-soft));
  border: 1.5px solid #e9cf8a;
  border-radius: var(--radius);
  padding: 12px 14px 10px;
}
.spot-head { display: flex; align-items: center; justify-content: space-between; }
h2 { font: 500 15px/1.2 var(--display); margin: 0; letter-spacing: .02em; }
.spot-values { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin-top: 8px; }
.spot-values > div { display: grid; }
.spot-values strong { font: 500 clamp(14px, 4.2vw, 19px)/1.2 var(--display); white-space: nowrap; font-variant-numeric: tabular-nums; }
.spot-values span { font-size: 12px; color: var(--ink-soft); }
.muted { color: var(--ink-soft); }
.meta { font-size: 12px; color: var(--ink-soft); margin: 8px 0 0; }

.ghost {
  border: 0; background: transparent; cursor: pointer;
  width: 36px; height: 36px; border-radius: 50%; font-size: 18px; color: var(--ink-soft);
}
.ghost:hover { background: rgba(0, 0, 0, .05); }
.spin { animation: spin .8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- tabs ---------- */
.tabs {
  display: grid; grid-template-columns: 1fr 1fr; gap: 4px;
  margin: 18px 0 14px; padding: 4px;
  background: var(--paper-2); border-radius: 999px;
}
.tabs button, .seg button {
  border: 0; background: transparent; padding: 9px; border-radius: 999px; cursor: pointer;
  font: 500 15px var(--display); color: var(--ink-soft);
}
.tabs button[aria-selected=true], .seg button[aria-pressed=true] {
  background: var(--card); color: var(--ink);
  box-shadow: 0 2px 6px -2px rgba(80, 60, 20, .3);
}

/* ---------- quotes ---------- */
.quotes { display: grid; grid-template-columns: minmax(0, 1fr); gap: 10px; }
.q-row > * { min-width: 0; }
.quote { padding: 10px; display: grid; grid-template-columns: minmax(0, 1fr); gap: 8px; }
.q-row { display: flex; gap: 8px; align-items: center; }
.q-name { flex: 1; border-color: transparent !important; background: transparent !important; font-family: var(--display); padding-left: 4px; }
.q-name:focus { border-color: var(--line) !important; background: var(--card) !important; }
.q-price { flex: 1; min-width: 0; font-size: 17px; }
.q-cur { width: 88px; }
.q-unit { flex: 1.3; min-width: 0; }
.q-pur { flex: 0 0 108px; min-width: 0; }
.per { font-size: 13px; color: var(--ink-soft); }
.q-del { flex: none; }

.add {
  width: 100%; margin-top: 10px; padding: 11px;
  border: 1.5px dashed var(--line); background: transparent; border-radius: var(--radius);
  color: var(--ink-soft); cursor: pointer;
}
.add:hover { border-color: var(--gold); color: var(--ink); }

/* ---------- ranking ---------- */
.results-head { display: flex; align-items: center; justify-content: space-between; margin: 22px 0 10px; }
.results-head label { font-size: 13px; color: var(--ink-soft); display: flex; gap: 6px; align-items: center; }
.results-head select { min-height: 36px; padding: 6px 26px 6px 8px; }
.ranking { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; counter-reset: r; }
.ranking li:not(.empty) {
  counter-increment: r; position: relative;
  background: var(--card); border: 1.5px solid var(--line); border-radius: var(--radius);
  padding: 10px 12px 10px 44px;
}
.ranking li:not(.empty)::before {
  content: counter(r);
  position: absolute; left: 12px; top: 12px;
  width: 22px; height: 22px; border-radius: 50%;
  display: grid; place-items: center;
  font: 500 13px var(--display); background: var(--paper-2); color: var(--ink-soft);
}
.ranking li.win { border-color: #e2bf62; background: linear-gradient(160deg, #fffaf0, #fbefc9); }
.ranking li.win::before { background: var(--ribbon); color: #fff; }
.r-main { display: flex; justify-content: space-between; gap: 8px; align-items: baseline; }
.r-name { font-family: var(--display); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.r-price { font: 500 19px var(--display); font-variant-numeric: tabular-nums; }
.r-sub { display: flex; justify-content: space-between; gap: 8px; font-size: 12px; color: var(--ink-soft); margin-top: 2px; }
.r-diff { margin-top: 6px; }
.tag { display: inline-block; font-size: 12px; padding: 2px 8px; border-radius: 999px; background: var(--paper-2); color: var(--ink-soft); }
.tag.best { background: var(--ribbon); color: #fff; }
.vs { white-space: nowrap; }
.empty { color: var(--ink-soft); font-size: 14px; padding: 12px; text-align: center; border: 1.5px dashed var(--line); border-radius: var(--radius); list-style: none; }

/* ---------- convert ---------- */
.seg { display: grid; grid-template-columns: 1fr 1fr; gap: 4px; padding: 4px; background: var(--paper-2); border-radius: 999px; margin-bottom: 12px; }
.convert-input { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; padding: 10px; }
#convValue { flex: 1 1 120px; min-width: 0; font-size: 20px; font-family: var(--display); }
#convCurrency { width: 88px; }
#convUnit { flex: 1 1 160px; min-width: 0; }
.conv-out { list-style: none; margin: 12px 0 0; padding: 0; display: grid; gap: 0; }
.conv-out li:not(.empty) {
  display: flex; justify-content: space-between; align-items: baseline; gap: 12px;
  padding: 11px 4px; border-bottom: 1px dashed var(--line);
}
.conv-out li.src { color: var(--ink-soft); }
.conv-out li.spotcmp { border-bottom: 0; color: var(--ink-soft); font-size: 14px; }
.conv-out .val { font: 500 17px var(--display); font-variant-numeric: tabular-nums; text-align: right; display: grid; }
.conv-out small { font: 500 12px var(--body); color: var(--ink-soft); }

.foot { max-width: 560px; margin: 24px auto 0; padding: 0 16px calc(24px + env(safe-area-inset-bottom)); font-size: 11px; color: var(--ink-soft); text-align: center; }

@media (min-width: 600px) {
  .sky-art { height: 190px; }
  .brand h1 { font-size: 32px; }
}