:root {
  color-scheme: light dark;
  --paper: #FBF7EF;
  --paper-elevated: #FFFFFF;
  --ink: #201D18;
  --ink-muted: #746B5C;
  --border: #E7DFCE;
  --red: #E4002B;
  --red-dark: #B40021;
  --blue: #003DA5;
  --blue-dark: #002B73;
  --yellow: #FFC220;
  --good: #1E8E3E;
  --warn: #B45300;
  --code-bg: #F1EADA;
  --shadow: 0 1px 2px rgba(35, 24, 8, 0.05), 0 10px 28px rgba(35, 24, 8, 0.09);
}
@media (prefers-color-scheme: dark) {
  :root {
    --paper: #14110C;
    --paper-elevated: #1E1A13;
    --ink: #F5EFE0;
    --ink-muted: #B3A98F;
    --border: #3A311F;
    --red: #FF4763;
    --red-dark: #E4002B;
    --blue: #6FA0FF;
    --blue-dark: #003DA5;
    --yellow: #FFC220;
    --good: #4ADE80;
    --warn: #FDBA74;
    --code-bg: #0E0C08;
    --shadow: 0 1px 2px rgba(0, 0, 0, 0.35), 0 14px 32px rgba(0, 0, 0, 0.4);
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
.wrap { max-width: 1040px; margin: 0 auto; padding: 0 24px; }

/* ---------- Top bar ---------- */
.topbar { padding: 26px 0 0; display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.backlink {
  font-size: 13.5px; font-weight: 700; color: var(--ink-muted);
  text-decoration: none; display: inline-flex; align-items: center; gap: 6px;
}
.backlink:hover { color: var(--red); }

.ticker-toggle { display: inline-flex; align-items: center; gap: 8px; cursor: pointer; user-select: none; }
.ticker-toggle input { position: absolute; opacity: 0; width: 0; height: 0; }
.ticker-toggle .switch {
  width: 34px; height: 20px; border-radius: 999px; background: var(--border);
  position: relative; transition: background 0.2s ease; flex: none;
}
.ticker-toggle .switch::after {
  content: ""; position: absolute; top: 2px; left: 2px; width: 16px; height: 16px;
  border-radius: 50%; background: var(--paper-elevated); box-shadow: var(--shadow);
  transition: transform 0.2s ease;
}
.ticker-toggle input:checked + .switch { background: var(--red); }
.ticker-toggle input:checked + .switch::after { transform: translateX(14px); }
.ticker-toggle-label { font-size: 12.5px; font-weight: 700; color: var(--ink-muted); }

/* ---------- Sticky headline ticker ---------- */
.sticky-ticker {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 40;
  background: linear-gradient(120deg, var(--red), var(--blue));
  color: #fff; box-shadow: 0 -6px 20px rgba(0, 0, 0, 0.18);
  transform: translateY(100%); transition: transform 0.25s ease;
}
.sticky-ticker.visible { transform: translateY(0); }
.ticker-viewport { overflow: hidden; padding: 10px 0; }
.ticker-track {
  display: flex; gap: 48px; white-space: nowrap; width: max-content;
  font-size: 13.5px; font-weight: 700; animation: ticker-scroll 28s linear infinite;
}
.ticker-track span { display: inline-flex; align-items: center; }
@keyframes ticker-scroll {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* ---------- Hero ---------- */
header.hero {
  padding: 36px 0 56px; display: grid; grid-template-columns: 1.25fr 1fr;
  gap: 36px; align-items: center;
}
@media (max-width: 760px) { header.hero { grid-template-columns: 1fr; } }
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px; font-size: 12px; font-weight: 800;
  letter-spacing: 0.08em; text-transform: uppercase; color: var(--blue-dark);
  background: color-mix(in srgb, var(--yellow) 45%, transparent);
  border: 1px solid color-mix(in srgb, var(--yellow) 80%, var(--border));
  padding: 6px 12px; border-radius: 999px; margin-bottom: 18px;
}
@media (prefers-color-scheme: dark) { .eyebrow { color: #2b2000; } }
h1.title {
  font-size: clamp(2.1rem, 5vw, 2.9rem); line-height: 1.08; margin: 0 0 14px;
  font-weight: 800; letter-spacing: -0.02em;
}
h1.title .blue { color: var(--blue); }
h1.title .red { color: var(--red); }
.tagline { font-size: clamp(1rem, 2vw, 1.1rem); color: var(--ink-muted); max-width: 52ch; margin: 0 0 20px; }
.privacy-note {
  display: inline-flex; align-items: center; gap: 8px; font-size: 13px; font-weight: 700;
  color: var(--good); background: color-mix(in srgb, var(--good) 12%, transparent);
  border: 1px solid color-mix(in srgb, var(--good) 32%, transparent);
  padding: 8px 14px; border-radius: 10px;
}

/* ---------- Receipt hero graphic ---------- */
.receipt-wrap { display: flex; justify-content: center; }
.receipt {
  width: 250px; background: #fffdf8; color: #1a1a1a; border-radius: 3px;
  padding: 20px 18px 26px; font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 11.5px; line-height: 1.7; box-shadow: var(--shadow); position: relative;
  transform: rotate(-4deg);
}
.receipt::before {
  content: ""; position: absolute; left: 0; right: 0; bottom: -1px; height: 12px;
  background-image:
    linear-gradient(-45deg, var(--paper) 6px, transparent 0),
    linear-gradient(45deg, var(--paper) 6px, transparent 0);
  background-size: 12px 12px; background-repeat: repeat-x; background-position: bottom left;
}
.receipt .r-title { text-align: center; font-weight: 700; letter-spacing: 0.08em; margin-bottom: 4px; }
.receipt .r-sub { text-align: center; color: #7a7a7a; font-size: 10px; margin-bottom: 10px; }
.receipt .r-line { display: flex; justify-content: space-between; gap: 8px; }
.receipt hr { border: none; border-top: 1px dashed #bbb; margin: 8px 0; }
.receipt .r-total { display: flex; justify-content: space-between; font-weight: 700; margin-top: 4px; }
.receipt .r-thanks { text-align: center; margin-top: 12px; font-size: 10px; color: #7a7a7a; }
.receipt .r-barcode {
  margin-top: 10px; height: 26px;
  background: repeating-linear-gradient(90deg, #1a1a1a 0 2px, transparent 2px 4px, #1a1a1a 4px 5px, transparent 5px 8px);
}
.receipt .r-tag {
  position: absolute; top: -10px; right: -10px; background: var(--red); color: #fff;
  font-family: -apple-system, sans-serif; font-weight: 800; font-size: 11px; letter-spacing: 0.03em;
  padding: 6px 10px; border-radius: 999px; box-shadow: var(--shadow); transform: rotate(6deg);
}

section { padding: 8px 0 56px; }
.card-eyebrow {
  font-size: 11.5px; font-weight: 800; letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--blue-dark); margin: 0 0 12px; display: flex; align-items: center; gap: 8px;
}
@media (prefers-color-scheme: dark) { .card-eyebrow { color: var(--blue); } }
.card-eyebrow.caution { color: var(--warn); }
.card-eyebrow::before { content: ""; width: 18px; height: 3px; background: var(--red); border-radius: 2px; }
.card-eyebrow.caution::before { background: var(--yellow); }

.section-heading { display: flex; align-items: baseline; justify-content: space-between; margin-bottom: 20px; flex-wrap: wrap; gap: 8px; }
.section-heading h2 { font-size: 1.4rem; margin: 0; letter-spacing: -0.01em; font-weight: 800; }
.section-heading span { font-size: 13px; color: var(--ink-muted); font-weight: 600; }

.card-surface {
  background: var(--paper-elevated); border: 1px solid var(--border); border-radius: 16px;
  padding: 24px; box-shadow: var(--shadow);
}
.card-head-row {
  display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap;
  gap: 10px; margin-bottom: 14px;
}
.card-head-row .card-eyebrow { margin-bottom: 0; }

/* ---------- Get-your-data section ---------- */
.howto-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
@media (max-width: 760px) { .howto-grid { grid-template-columns: 1fr; } }
.caution-card { background: color-mix(in srgb, var(--yellow) 9%, var(--paper-elevated)); border-color: color-mix(in srgb, var(--yellow) 45%, var(--border)); }
.steps-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 14px; }
.steps-list li { display: flex; gap: 12px; align-items: flex-start; font-size: 14px; }
.steps-list .num {
  flex: none; width: 24px; height: 24px; border-radius: 50%; background: var(--blue); color: #fff;
  font-weight: 800; font-size: 12px; display: flex; align-items: center; justify-content: center;
}
.caution-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 12px; font-size: 13.5px; color: var(--ink-muted); }
.caution-list li { padding-left: 22px; position: relative; }
.caution-list li::before { content: "⚠"; position: absolute; left: 0; color: var(--warn); font-size: 12px; }

.rotator-item { min-height: 54px; }
.rotator-text { display: block; transition: opacity 0.3s ease; opacity: 1; }
.rotator-text.fade-out { opacity: 0; }
.rotator-dots { display: flex; gap: 5px; margin-top: 8px; }
.rotator-dots .dot {
  width: 14px; height: 4px; border-radius: 2px; background: var(--border);
  transition: background 0.2s ease, width 0.2s ease;
}
.rotator-dots .dot.active { background: var(--warn); width: 22px; }

pre.code-block {
  background: var(--code-bg); border: 1px solid var(--border); border-radius: 12px;
  padding: 16px; overflow-x: auto; overflow-y: auto; font-size: 12.5px; line-height: 1.6;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; margin: 0 0 12px;
  max-height: 220px; position: relative;
}
pre.code-block.expanded { max-height: none; }
.code-block-wrap { position: relative; }
.code-block-wrap:not(.expanded)::after {
  content: ""; position: absolute; left: 1px; right: 1px; bottom: 12px; height: 40px;
  background: linear-gradient(to bottom, transparent, var(--code-bg));
  border-radius: 0 0 12px 12px; pointer-events: none;
}
.steps-actions { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.btn {
  display: inline-flex; align-items: center; gap: 8px; padding: 10px 18px; border-radius: 10px;
  font-weight: 700; font-size: 14px; text-decoration: none; cursor: pointer; border: 1px solid transparent;
  transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease, background 0.15s ease; font-family: inherit;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--red); color: #fff; box-shadow: var(--shadow); }
.btn-primary:hover { background: var(--red-dark); box-shadow: 0 4px 18px rgba(228, 0, 43, 0.3); }
.btn-ghost { background: var(--paper-elevated); color: var(--ink); border-color: var(--border); }
.btn-ghost:hover { border-color: var(--blue); color: var(--blue); }
.btn-sm { padding: 7px 12px; font-size: 12.5px; }
.copy-feedback { font-size: 12.5px; color: var(--good); font-weight: 700; opacity: 0; transition: opacity 0.2s ease; }
.copy-feedback.show { opacity: 1; }

/* ---------- Upload ---------- */
.upload-grid { display: grid; grid-template-columns: 1.2fr 1fr; gap: 20px; }
@media (max-width: 720px) { .upload-grid { grid-template-columns: 1fr; } }
.dropzone {
  border: 2px dashed var(--border); border-radius: 16px; padding: 36px 20px; text-align: center;
  cursor: pointer; transition: border-color 0.15s ease, background 0.15s ease;
}
.dropzone:hover, .dropzone.drag { border-color: var(--red); background: color-mix(in srgb, var(--red) 5%, transparent); }
.dropzone .icon { font-size: 32px; margin-bottom: 10px; }
.dropzone p { margin: 0; color: var(--ink-muted); font-size: 14px; }
textarea.paste-area {
  width: 100%; min-height: 110px; border-radius: 12px; border: 1px solid var(--border);
  background: var(--paper); color: var(--ink); padding: 12px; font-family: ui-monospace, monospace;
  font-size: 12.5px; resize: vertical;
}
.field-label { font-size: 12.5px; font-weight: 800; color: var(--ink-muted); text-transform: uppercase; letter-spacing: 0.04em; margin: 0 0 8px; }
.status-msg { font-size: 13px; margin-top: 10px; font-weight: 600; }
.status-msg.err { color: var(--red); }
.status-msg.ok { color: var(--good); }

/* ---------- Dashboard ---------- */
#dashboard { display: none; }

/* ---------- Item search ---------- */
.item-search-input {
  width: 100%; border-radius: 12px; border: 1px solid var(--border);
  background: var(--paper); color: var(--ink); padding: 12px 14px; font-size: 14px;
  font-family: inherit; box-sizing: border-box;
}
.item-search-input:focus { outline: none; border-color: var(--blue); }
.item-search-results { display: none; flex-direction: column; gap: 10px; margin-top: 14px; }
.item-search-results.show { display: flex; }
.item-search-empty, .item-search-more { font-size: 13px; color: var(--ink-muted); margin: 0; }
.item-search-result {
  border: 1px solid var(--border); border-radius: 12px; padding: 12px 14px;
  background: var(--paper-elevated);
}
.isr-main { display: flex; justify-content: space-between; align-items: baseline; gap: 10px; font-weight: 700; font-size: 14px; }
.isr-price { color: var(--ink-muted); font-variant-numeric: tabular-nums; font-weight: 700; }
.isr-date { font-size: 12.5px; color: var(--ink-muted); margin-top: 4px; }
.isr-others { font-size: 12.5px; color: var(--ink-muted); margin-top: 6px; padding-top: 6px; border-top: 1px dashed var(--border); }
.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 16px; margin-bottom: 8px; }
.stat-card {
  background: var(--paper-elevated); border: 1px solid var(--border); border-radius: 14px;
  padding: 18px; box-shadow: var(--shadow); border-top: 4px solid var(--red);
}
.stat-card:nth-child(2) { border-top-color: var(--blue); }
.stat-card:nth-child(3) { border-top-color: var(--yellow); }
.stat-card:nth-child(4) { border-top-color: var(--good); }
.stat-card .label { font-size: 11.5px; color: var(--ink-muted); font-weight: 800; text-transform: uppercase; letter-spacing: 0.04em; }
.stat-card .value { font-size: 1.5rem; font-weight: 800; margin-top: 6px; letter-spacing: -0.01em; }
.stat-card .sub { font-size: 12.5px; color: var(--ink-muted); margin-top: 4px; }

.year-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; }
.year-card {
  background: var(--paper-elevated); border: 1px solid var(--border); border-radius: 14px;
  padding: 20px; box-shadow: var(--shadow); border-top: 4px solid var(--blue);
}
.year-card:nth-child(2) { border-top-color: var(--red); }
.year-card:nth-child(3) { border-top-color: var(--yellow); }
.year-card h3 { margin: 0 0 12px; font-size: 1.15rem; font-weight: 800; }
.year-card .row { display: flex; justify-content: space-between; font-size: 13.5px; padding: 6px 0; border-top: 1px solid var(--border); }
.year-card .row:first-of-type { border-top: none; }
.year-card .row .k { color: var(--ink-muted); }
.year-card .row .v { font-weight: 700; }

.chart-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
@media (max-width: 820px) { .chart-grid { grid-template-columns: 1fr; } }
.chart-box { background: var(--paper-elevated); border: 1px solid var(--border); border-radius: 16px; padding: 20px; box-shadow: var(--shadow); }
.chart-box h3 { margin: 0 0 14px; font-size: 1rem; font-weight: 800; }
.chart-box canvas { max-height: 280px; }
.chart-box.wide { grid-column: 1 / -1; }

.scroll-viewport { height: 260px; overflow: hidden; position: relative; }
.scroll-viewport::before, .scroll-viewport::after {
  content: ""; position: absolute; left: 0; right: 0; height: 28px; z-index: 1; pointer-events: none;
}
.scroll-viewport::before { top: 0; background: linear-gradient(to bottom, var(--paper-elevated), transparent); }
.scroll-viewport::after { bottom: 0; background: linear-gradient(to top, var(--paper-elevated), transparent); }
.scroll-track { display: flex; flex-direction: column; animation: scroll-track-loop linear infinite; }
.scroll-card:hover .scroll-track { animation-play-state: paused; }
.scroll-row {
  display: flex; justify-content: space-between; gap: 10px; padding: 9px 2px;
  border-bottom: 1px solid var(--border); font-size: 13px;
}
.scroll-row .name { color: var(--ink); font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.scroll-row .count { color: var(--ink-muted); font-weight: 700; flex: none; }
@keyframes scroll-track-loop {
  from { transform: translateY(0); }
  to { transform: translateY(-50%); }
}

table.items-table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
table.items-table th, table.items-table td { text-align: left; padding: 10px 8px; border-bottom: 1px solid var(--border); }
table.items-table th { color: var(--ink-muted); font-size: 11px; text-transform: uppercase; letter-spacing: 0.04em; font-weight: 800; cursor: pointer; user-select: none; }
table.items-table th:hover { color: var(--red); }
table.items-table td.num { text-align: right; font-variant-numeric: tabular-nums; }
select.cat-select {
  font-size: 12.5px; padding: 4px 8px; border-radius: 8px; border: 1px solid var(--border);
  background: var(--paper); color: var(--ink); font-family: inherit;
}
.table-wrap { overflow-x: auto; }

.actions-row { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 8px; }

footer {
  border-top: 1px solid var(--border); padding: 24px 0 12px; display: flex; justify-content: space-between;
  align-items: center; flex-wrap: wrap; gap: 12px; font-size: 13.5px; color: var(--ink-muted);
}
footer a { text-decoration: none; color: var(--ink-muted); font-weight: 600; }
footer a:hover { color: var(--red); }
.disclaimer { font-size: 11.5px; color: var(--ink-muted); opacity: 0.75; padding: 0 0 32px; max-width: 70ch; }

@media print {
  .topbar, header.hero, section#howto, section#upload, footer, .disclaimer, .actions-row { display: none !important; }
  #dashboard { display: block !important; }
  body { background: #fff; color: #000; }
}