:root {
  --bg: #f3f5f9; --panel: #ffffff; --panel2: #f8f9fc; --text: #1b2433; --muted: #566175;
  --line: #d9dfe9; --primary: #1f365c; --primary-ink: #ffffff; --link: #1f4d9a;
  --accent: #ee9a00; --ok: #17703d; --okbg: #e6f4ec; --warn: #8a5300; --warnbg: #fff3dc;
  --err: #b42318; --errbg: #fbeaea; --focus: #1f6feb; --shadow: 0 1px 2px rgba(20,30,50,.06), 0 8px 24px rgba(20,30,50,.06);
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #11161f; --panel: #1a212d; --panel2: #202939; --text: #e6eaf1; --muted: #a3afc2;
    --line: #2d3748; --primary: #2f58a0; --primary-ink: #ffffff; --link: #8fb2ee;
    --ok: #5fd08e; --okbg: #183526; --warn: #f0b24a; --warnbg: #3a2c12; --err: #f58a83; --errbg: #3b1d1d;
    --focus: #6ea0ff; --shadow: 0 1px 2px rgba(0,0,0,.3), 0 8px 24px rgba(0,0,0,.25);
  }
}
:root[data-theme="dark"] {
  --bg: #11161f; --panel: #1a212d; --panel2: #202939; --text: #e6eaf1; --muted: #a3afc2;
  --line: #2d3748; --primary: #2f58a0; --primary-ink: #ffffff; --link: #8fb2ee;
  --ok: #5fd08e; --okbg: #183526; --warn: #f0b24a; --warnbg: #3a2c12; --err: #f58a83; --errbg: #3b1d1d;
  --focus: #6ea0ff; --shadow: 0 1px 2px rgba(0,0,0,.3), 0 8px 24px rgba(0,0,0,.25);
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--text); font: 16px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif; overflow-wrap: anywhere; }
.wrap { max-width: 1120px; margin: 0 auto; padding: 0 16px; }
.skip { position: absolute; left: -999px; top: 8px; background: var(--primary); color: var(--primary-ink); padding: 8px 12px; border-radius: 8px; z-index: 10; }
.skip:focus { left: 8px; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 2px; }

.top { background: var(--panel); border-bottom: 1px solid var(--line); }
.top-in { display: flex; align-items: center; justify-content: space-between; gap: 12px; min-height: 60px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; letter-spacing: .01em; }
.brand img { border-radius: 8px; }
.tools { display: flex; align-items: center; gap: 8px; }
.seg { display: inline-flex; border: 1px solid var(--line); border-radius: 10px; overflow: hidden; }
.seg button { border: 0; background: transparent; color: var(--muted); font: inherit; font-size: 14px; font-weight: 600; min-width: 42px; min-height: 40px; padding: 0 10px; cursor: pointer; }
.seg button[aria-pressed="true"] { background: var(--primary); color: var(--primary-ink); }
.icon-btn { width: 42px; height: 42px; border: 1px solid var(--line); background: transparent; color: var(--text); border-radius: 10px; cursor: pointer; display: grid; place-items: center; }
.icon-btn:hover, .seg button:hover { background: var(--panel2); }
.seg button[aria-pressed="true"]:hover { background: var(--primary); }

.intro { padding: 28px 0 16px; }
h1 { font-size: clamp(24px, 4.2vw, 34px); line-height: 1.15; margin: 0 0 6px; letter-spacing: -.01em; }
.muted { color: var(--muted); }
.small { font-size: 13px; }
.intro p { margin: 4px 0; max-width: 62ch; }
.asof { font-size: 14px; color: var(--muted); }
.asof::before { content: ""; display: inline-block; width: 8px; height: 8px; border-radius: 50%; background: var(--ok); margin-right: 8px; }
.asof.stale::before { background: var(--accent); }
.notice { background: var(--warnbg); color: var(--warn); border-radius: 10px; padding: 10px 14px; }
.notice.err { background: var(--errbg); color: var(--err); }

.grid { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr); gap: 20px; align-items: start; }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: 16px; box-shadow: var(--shadow); padding: 22px; }
.result { position: sticky; top: 16px; }
.step + .step { margin-top: 26px; padding-top: 22px; border-top: 1px solid var(--line); }
h2 { font-size: 17px; margin: 0 0 14px; display: flex; align-items: center; gap: 10px; }
.num { width: 26px; height: 26px; border-radius: 50%; background: var(--primary); color: var(--primary-ink); display: inline-grid; place-items: center; font-size: 14px; flex: none; }
.row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.row3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 12px; }
.field { min-width: 0; }
label { display: block; font-size: 14px; font-weight: 600; margin-bottom: 6px; }
.opt { font-weight: 400; color: var(--muted); }
select, input[type="text"], input:not([type]) { width: 100%; min-height: 46px; padding: 9px 12px; font: inherit; color: var(--text); background: var(--panel2); border: 1px solid var(--line); border-radius: 10px; }
select { appearance: none; background-image: linear-gradient(45deg, transparent 50%, var(--muted) 50%), linear-gradient(135deg, var(--muted) 50%, transparent 50%); background-position: calc(100% - 18px) 20px, calc(100% - 13px) 20px; background-size: 5px 5px; background-repeat: no-repeat; padding-right: 34px; }
input[aria-invalid="true"] { border-color: var(--err); }
.err-msg { color: var(--err); font-size: 13px; margin: 4px 0 0; }
.check { display: flex; gap: 10px; align-items: flex-start; font-weight: 400; margin: 14px 0 0; cursor: pointer; font-size: 15px; }
.check input { width: 20px; height: 20px; margin: 1px 0 0; flex: none; accent-color: var(--primary); }
fieldset { border: 0; padding: 0; margin: 14px 0 0; min-width: 0; }
fieldset.plain { margin: 0; }
legend { font-size: 14px; font-weight: 600; padding: 0; margin-bottom: 8px; }
.hint { font-size: 14px; color: var(--muted); margin: 0 0 10px; }
.variants[hidden] { display: none; }
.opt-card { display: flex; gap: 10px; align-items: flex-start; border: 1px solid var(--line); border-radius: 12px; padding: 11px 13px; margin-bottom: 8px; cursor: pointer; background: var(--panel2); font-weight: 400; }
.opt-card:has(input:checked) { border-color: var(--primary); box-shadow: 0 0 0 1px var(--primary); background: var(--panel); }
.opt-card input { margin: 3px 0 0; width: 18px; height: 18px; accent-color: var(--primary); flex: none; }
.opt-card b { display: block; font-size: 15px; }
.opt-card span span { font-size: 13px; color: var(--muted); }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip { margin: 0; }
.chip input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.chip span { display: inline-flex; align-items: center; min-height: 44px; padding: 0 16px; border: 1px solid var(--line); border-radius: 999px; background: var(--panel2); font-size: 15px; font-weight: 500; cursor: pointer; }
.chip input:checked + span { background: var(--primary); color: var(--primary-ink); border-color: var(--primary); }
.chip input:focus-visible + span { outline: 3px solid var(--focus); outline-offset: 2px; }

.empty { text-align: center; padding: 36px 8px; color: var(--muted); }
.empty svg { color: var(--muted); }
.total-label { font-size: 14px; color: var(--muted); margin: 0; }
.total { font-size: clamp(34px, 6vw, 46px); font-weight: 750; letter-spacing: -.02em; line-height: 1.1; margin: 2px 0 2px; font-variant-numeric: tabular-nums; }
.total small { font-size: .45em; font-weight: 600; color: var(--muted); letter-spacing: 0; margin-left: 6px; }
.sub { color: var(--muted); font-size: 14px; margin: 0 0 14px; }
.flag { display: inline-block; font-size: 13px; padding: 3px 9px; border-radius: 999px; background: var(--warnbg); color: var(--warn); margin: 0 0 10px; }
.mgr { background: var(--warnbg); color: var(--warn); border-radius: 12px; padding: 14px 16px; margin: 0 0 14px; }
.mgr b { display: block; margin-bottom: 2px; }
table.br { width: 100%; border-collapse: collapse; font-size: 15px; margin: 6px 0 14px; }
table.br th { text-align: left; font-weight: 400; padding: 7px 8px 7px 0; color: var(--muted); vertical-align: top; }
table.br td { text-align: right; padding: 7px 0; font-variant-numeric: tabular-nums; white-space: nowrap; vertical-align: top; }
table.br tr + tr { border-top: 1px solid var(--line); }
table.br tr.sum th, table.br tr.sum td { color: var(--text); font-weight: 700; }
.why { background: var(--panel2); border-radius: 12px; padding: 12px 14px; font-size: 14px; margin: 0 0 14px; }
.why p { margin: 0 0 4px; }
.why p:last-child { margin: 0; }
h3 { font-size: 14px; margin: 14px 0 6px; }
ul.list { margin: 0; padding-left: 20px; font-size: 14px; color: var(--muted); }
ul.list li { margin: 3px 0; }
.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 46px; padding: 0 18px; border-radius: 10px; border: 1px solid var(--primary); background: var(--primary); color: var(--primary-ink); font: inherit; font-weight: 650; cursor: pointer; text-decoration: none; }
.btn.ghost { background: transparent; color: var(--text); border-color: var(--line); }
.btn.full { width: 100%; margin-top: 8px; }
.btn:hover { filter: brightness(1.08); }
.btn.ghost:hover { background: var(--panel2); filter: none; }
.loading { opacity: .55; transition: opacity .15s; }
.notes { margin-top: 20px; }
.notes ul { margin: 0; padding-left: 20px; color: var(--muted); font-size: 14px; }
.notes li { margin: 5px 0; }
.modal { position: fixed; inset: 0; background: rgba(8, 12, 20, .55); display: grid; place-items: center; padding: 16px; z-index: 20; }
.modal[hidden] { display: none; }
.modal-box { background: var(--panel); border: 1px solid var(--line); border-radius: 16px; padding: 22px; width: min(560px, 100%); max-height: 100%; overflow: auto; }
textarea { width: 100%; font: 14px/1.5 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; color: var(--text); background: var(--panel2); border: 1px solid var(--line); border-radius: 10px; padding: 10px 12px; resize: vertical; }
.actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }
footer { height: 40px; }
.catalog { margin: 8px 0 24px; }
.catalog h2 { margin: 0 0 4px; font-size: 22px; }
.cat-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 12px; margin-top: 14px; }
.cat-card { display: flex; flex-direction: column; gap: 10px; text-align: left; font: inherit; color: var(--text); background: var(--panel); border: 1px solid var(--line); border-radius: 14px; padding: 16px; cursor: pointer; min-width: 0; transition: border-color .15s, transform .15s; }
.cat-card:hover { border-color: var(--accent); transform: translateY(-1px); }
.cat-card:focus-visible { outline: 3px solid var(--focus); outline-offset: 2px; }
.cat-route { font-weight: 700; font-size: 16px; overflow-wrap: anywhere; }
.cat-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.tag { font-size: 12px; padding: 3px 9px; border-radius: 999px; background: var(--panel2); border: 1px solid var(--line); color: var(--muted); }
.tag.cur { color: var(--text); font-weight: 600; }
.cat-prices { display: grid; gap: 8px; }
.cat-prices > span { display: grid; grid-template-columns: auto 1fr; column-gap: 10px; align-items: baseline; min-width: 0; }
.cat-prices small { color: var(--muted); font-size: 12px; }
.cat-prices b { font-size: 16px; text-align: right; white-space: nowrap; }
.cat-prices > span > small:last-child { grid-column: 1 / -1; text-align: right; }
.cat-go { margin-top: auto; color: var(--link); font-weight: 600; font-size: 14px; }
.req { font-size: 12px; font-weight: 600; color: var(--warn); border: 1px solid var(--accent); border-radius: 999px; padding: 1px 8px; margin-left: 8px; vertical-align: middle; }
.sub.warn { color: var(--text); background: var(--panel2); border-left: 3px solid var(--accent); padding: 8px 10px; border-radius: 6px; }
.br tr.unset td { color: var(--muted); font-style: italic; }

@media (max-width: 880px) {
  .grid { grid-template-columns: minmax(0, 1fr); }
  .result { position: static; }
}
@media (max-width: 560px) {
  .row3 { grid-template-columns: 1fr 1fr; }
  .row3 .field:first-child { grid-column: 1 / -1; }
  .card { padding: 16px; }
  .brand-name { display: none; }
}
@media (max-width: 400px) {
  .row2 { grid-template-columns: 1fr; }
  .seg button { min-width: 38px; padding: 0 8px; }
}
@media (prefers-reduced-motion: reduce) { * { transition: none !important; } }