/* Email & SMS cost calculator — system fonts only, no external resources (strict CSP). Design notes: DESIGN_NOTES.md */
:root {
  color-scheme: light dark;
  --bg: #f5f7fb; --card: #ffffff; --card-2: #f8fafc; --ink: #0f172a; --ink-2: #334155; --muted: #526077; --line: #e2e8f0; --line-2: #cbd5e1;
  --accent: #1d4ed8; --accent-ink: #ffffff; --accent-soft: #eef3ff; --accent-line: #bfd0fb;
  --ok: #166534; --ok-soft: #dcfce7; --warn: #8a3b00; --warn-soft: #fff4dc; --warn-line: #f6d79a;
  --bar: #64748b; --bar-pick: #1d4ed8; --focus: #1d4ed8;
  --aff-bg: #fbfaf7; --aff-line: #b9b2a2; --tag-bg: #1f2937; --tag-ink: #ffffff;
  --shadow: 0 1px 2px rgba(15, 23, 42, .06), 0 4px 16px rgba(15, 23, 42, .05);
  --radius: 14px;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0b1120; --card: #131b2e; --card-2: #182238; --ink: #e8edf5; --ink-2: #c8d1df; --muted: #a3afc2; --line: #26324a; --line-2: #3a4763;
    --accent: #93b4ff; --accent-ink: #0b1120; --accent-soft: #1a2747; --accent-line: #34508f;
    --ok: #86efac; --ok-soft: #12301f; --warn: #fcd38a; --warn-soft: #33260c; --warn-line: #6b4f12;
    --bar: #6b7a94; --bar-pick: #93b4ff; --focus: #93b4ff;
    --aff-bg: #161d2c; --aff-line: #5d6578; --tag-bg: #e8edf5; --tag-ink: #0b1120;
    --shadow: 0 1px 2px rgba(0, 0, 0, .4);
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--ink); line-height: 1.55; font-size: 16px; }
.wrap { max-width: 1180px; margin: 0 auto; padding: 0 20px; }
a { color: var(--accent); text-underline-offset: 2px; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 2px; border-radius: 4px; }
.skip { position: absolute; left: 8px; top: -60px; background: var(--card); color: var(--ink); padding: 10px 14px; border-radius: 8px; z-index: 10; }
.skip:focus { top: 8px; }
h1, h2, h3 { letter-spacing: -.01em; }

/* Disclosure bar: always visible, readable, not loud */
.pr-bar { background: var(--tag-bg); color: var(--tag-ink); font-size: 13px; text-align: center; padding: 6px 12px; }

/* Header / hero */
.site-header { padding: 28px 0 8px; }
.brand { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; font-weight: 700; font-size: 15px; color: var(--ink-2); }
.brand-mark { fill: var(--accent-soft); stroke: var(--accent); stroke-width: 1.6; stroke-linecap: round; }
.brand-mark path { fill: none; stroke-width: 2.2; }
.brand-sub { font-weight: 500; color: var(--muted); font-size: 13px; padding-left: 10px; border-left: 1px solid var(--line-2); }
.site-header h1 { font-size: clamp(1.75rem, 4.2vw, 2.6rem); line-height: 1.15; margin: 18px 0 10px; max-width: 22ch; }
.lead { color: var(--ink-2); margin: 0; max-width: 70ch; font-size: 1.05rem; }
.trust { list-style: none; padding: 0; margin: 16px 0 0; display: flex; flex-wrap: wrap; gap: 8px 18px; font-size: 14px; color: var(--ink-2); }
.trust li { display: flex; align-items: center; gap: 6px; }
.trust svg { flex: none; fill: none; stroke: var(--ok); stroke-width: 2.2; stroke-linecap: round; stroke-linejoin: round; }
.data-date { display: inline-block; margin: 14px 0 0; font-size: 13px; color: var(--ink-2); background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 4px 12px; }

/* Layout: inputs left (sticky on wide screens), results right */
.layout { display: grid; gap: 20px; margin-top: 20px; }
@media (min-width: 960px) {
  .layout { grid-template-columns: minmax(360px, 420px) 1fr; align-items: start; }
  .inputs { position: sticky; top: 16px; max-height: calc(100vh - 32px); overflow: auto; }
}
.results { display: grid; gap: 20px; min-width: 0; }
.results:focus { outline: none; }

.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; margin: 0; box-shadow: var(--shadow); }
main > .card, main > article.card { margin-top: 20px; }
.card-title { font-size: 1.15rem; margin: 0 0 4px; }
.card-sub { margin: 0 0 14px; color: var(--muted); font-size: 14px; }

/* Form */
.form { display: grid; gap: 18px; }
.group { border: 0; padding: 0; margin: 0; display: grid; gap: 14px; min-width: 0; }
.group > legend { font-size: 12px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--muted); padding: 0; margin-bottom: 10px; }
.group + .group, .more { border-top: 1px solid var(--line); padding-top: 18px; }
.row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
@media (max-width: 420px) { .row2 { grid-template-columns: 1fr; } }
.field { min-width: 0; }
.field[hidden] { display: none; }
.field label { display: block; font-weight: 600; font-size: 14px; margin-bottom: 6px; color: var(--ink); }
.field input[type=number], .field select {
  width: 100%; min-height: 44px; padding: 10px 12px; font: inherit; font-size: 16px; color: var(--ink);
  background: var(--card); border: 1px solid var(--line-2); border-radius: 10px; font-variant-numeric: tabular-nums;
}
.field select { appearance: auto; }
.field input:hover, .field select:hover { border-color: var(--muted); }
.field input:focus-visible, .field select:focus-visible { outline: 3px solid var(--focus); outline-offset: 1px; border-color: var(--accent); }
.hint { color: var(--muted); font-size: 13px; margin: 6px 0 0; }
.checks { display: grid; gap: 6px; }
.check { display: flex; align-items: center; gap: 10px; min-height: 44px; padding: 8px 12px; border: 1px solid var(--line); border-radius: 10px; cursor: pointer; font-size: 15px; background: var(--card-2); }
.check:hover { border-color: var(--line-2); }
.check input { width: 20px; height: 20px; margin: 0; accent-color: var(--accent); flex: none; }
.check:has(input:checked) { border-color: var(--accent-line); background: var(--accent-soft); }
.more > summary { cursor: pointer; font-weight: 600; min-height: 44px; display: flex; align-items: center; gap: 8px; list-style: none; }
.more > summary::-webkit-details-marker { display: none; }
.more > summary::before { content: "+"; display: inline-grid; place-items: center; width: 24px; height: 24px; border-radius: 6px; border: 1px solid var(--line-2); color: var(--ink-2); font-weight: 700; }
.more[open] > summary::before { content: "−"; }
.summary-hint { font-weight: 500; font-size: 13px; color: var(--muted); }
.more-body { display: grid; gap: 14px; padding-top: 10px; }

/* Pick (hero result) */
.pick { border-color: var(--accent-line); background: linear-gradient(180deg, var(--accent-soft), var(--card) 70%); }
.eyebrow { margin: 0; font-size: 14px; color: var(--ink-2); font-weight: 600; display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.tag-cheapest { display: inline-block; font-size: 12px; font-weight: 700; letter-spacing: .02em; color: var(--accent-ink); background: var(--accent); padding: 2px 9px; border-radius: 999px; vertical-align: middle; white-space: nowrap; }
.pick-name { font-size: 1.25rem; font-weight: 700; margin: 10px 0 0; }
.pick-big { margin: 2px 0 4px; line-height: 1.1; }
#pick-big { font-size: clamp(2.4rem, 7vw, 3.4rem); font-weight: 800; letter-spacing: -.02em; font-variant-numeric: tabular-nums; }
.pick-unit { display: block; margin-top: 4px; font-size: 15px; color: var(--ink-2); font-weight: 600; }
.stat-note { margin: 4px 0 0; font-size: 14px; color: var(--muted); }
.stat-note.path { font-size: 13px; }
.kv { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 10px; margin: 16px 0 0; }
.kv > div { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 10px 12px; }
.kv dt { font-size: 12px; color: var(--muted); }
.kv dd { margin: 2px 0 0; font-weight: 700; font-size: 1.05rem; font-variant-numeric: tabular-nums; }
.notice { background: var(--warn-soft); border: 1px solid var(--warn-line); color: var(--ink); border-radius: 10px; padding: 10px 14px; font-size: 14px; margin: 14px 0 0; }
.notice[hidden], .next-step[hidden] { display: none; }
.next-step { margin: 16px 0 0; padding: 12px 14px; border-radius: 10px; border: 1px dashed var(--accent-line); font-size: 15px; }

/* Chart */
.chart { width: 100%; min-height: 40px; }
.bars { display: block; overflow: visible; font-size: 13px; }
.bars .axis { stroke: var(--line-2); stroke-width: 1; }
.bars .hit { fill: transparent; }
.bars .bar { fill: var(--bar); }
.bars .is-pick .bar { fill: var(--bar-pick); }
.bars .lbl { fill: var(--ink-2); }
.bars .val { fill: var(--ink); font-weight: 600; font-variant-numeric: tabular-nums; }
.bars .is-pick .lbl, .bars .is-pick .val { font-weight: 700; fill: var(--ink); }
.bars .bar-row:hover .hit { fill: var(--card-2); }

/* Ranked cards */
.rank-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; }
.rank-card { border: 1px solid var(--line); border-radius: 12px; padding: 16px 18px; display: grid; gap: 12px; background: var(--card); }
.rank-card.is-pick { border: 2px solid var(--accent); padding: 15px 17px; }
.rank-head { display: flex; gap: 12px; align-items: flex-start; }
.rank-no { flex: none; width: 30px; height: 30px; border-radius: 50%; display: grid; place-items: center; font-size: 13px; font-weight: 700; border: 1px solid var(--line-2); color: var(--ink-2); }
.is-pick .rank-no { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.rank-title { flex: 1; display: flex; flex-direction: column; min-width: 0; }
.rank-title strong { font-size: 1.05rem; }
.rank-price { margin: 0; text-align: right; display: flex; flex-direction: column; flex: none; }
.rank-avg { font-size: 1.6rem; line-height: 1.1; font-weight: 800; font-variant-numeric: tabular-nums; letter-spacing: -.01em; }
.rank-facts { margin: 0; display: grid; gap: 8px; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); background: var(--card-2); border-radius: 10px; padding: 10px 12px; }
.rank-facts dt { color: var(--muted); font-size: 12px; }
.rank-facts dd { margin: 0; font-weight: 600; font-size: 14px; font-variant-numeric: tabular-nums; }
.rank-foot { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; justify-content: space-between; }
.rank-meta { margin: 0; display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.rank-actions { display: flex; flex-wrap: wrap; gap: 8px; }
@media (max-width: 420px) { .rank-head { flex-wrap: wrap; } .rank-price { text-align: left; width: 100%; padding-left: 42px; } }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; min-height: 44px; padding: 10px 14px; border-radius: 10px; border: 1px solid var(--line-2); background: var(--card-2); color: var(--ink); font-weight: 600; font-size: 14px; text-decoration: none; }
.btn:hover { border-color: var(--accent); }
.btn-aff { border-style: dashed; }
.empty { color: var(--muted); font-size: 14px; padding: 14px; border: 1px dashed var(--line-2); border-radius: 10px; margin: 0; list-style: none; }

/* Tables */
.table-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; border: 1px solid var(--line); border-radius: 12px; margin: 10px 0 12px; }
table { border-collapse: collapse; width: 100%; font-size: 14px; min-width: 640px; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
tbody tr:last-child td { border-bottom: 0; }
thead th { font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); background: var(--card-2); position: sticky; top: 0; }
tbody tr:hover td { background: var(--card-2); }
tr.is-pick td, tr.is-pick:hover td { background: var(--accent-soft); }
tr.is-pick td:first-child { box-shadow: inset 4px 0 0 var(--accent); }
.num { text-align: right; white-space: nowrap; font-variant-numeric: tabular-nums; }
#result-table { min-width: 980px; }
.badge { display: inline-block; font-size: 11px; font-weight: 700; padding: 2px 8px; border-radius: 999px; white-space: nowrap; }
.badge.verified { background: var(--ok-soft); color: var(--ok); }
.badge.unverified { background: var(--warn-soft); color: var(--warn); }
.badge.none { background: var(--card-2); color: var(--ink-2); border: 1px solid var(--line-2); }
.badge.limited { background: var(--warn-soft); color: var(--warn); margin-top: 2px; white-space: normal; }
.small { font-size: 13px; color: var(--muted); }

/* Affiliate area: visually distinct from neutral results (dashed, warm-neutral surface, tag) */
.cta-card { background: var(--aff-bg); border: 1px dashed var(--aff-line); box-shadow: none; }
.cta-card[hidden] { display: none; }
.cta-card .brokers { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 12px; margin-top: 12px; }
.broker-card { display: flex; flex-direction: column; gap: 6px; }
.broker-card[hidden] { display: none; }
.broker { display: block; border: 1px solid var(--line-2); border-radius: 12px; padding: 14px; text-decoration: none; color: inherit; background: var(--card); min-height: 44px; }
.broker:hover { border-color: var(--accent); }
.broker-name { display: block; font-weight: 700; }
.broker-desc { display: block; font-size: 13px; color: var(--muted); }
.broker-cta { display: block; font-size: 14px; color: var(--accent); margin-top: 6px; font-weight: 600; }
.official { font-size: 14px; padding: 10px 4px; display: inline-block; }
.pr-tag { display: inline-block; font-size: 11px; font-weight: 700; letter-spacing: .03em; background: var(--tag-bg); color: var(--tag-ink); padding: 2px 7px; border-radius: 4px; margin: 0; vertical-align: middle; }
.broker-name .pr-tag, td .pr-tag { margin-left: 4px; font-size: 10px; }

/* Content */
.content h2 { font-size: 1.15rem; margin: 26px 0 8px; }
.content h2:first-child { margin-top: 0; }
.content li { margin-bottom: 6px; }
details.faq { border-bottom: 1px solid var(--line); }
details.faq summary { cursor: pointer; font-weight: 600; min-height: 44px; display: flex; align-items: center; }
details.faq p { margin: 0 0 12px; color: var(--ink-2); }
.disclaimer { font-size: 13px; color: var(--muted); margin-top: 20px; }
.site-footer { padding: 28px 0 44px; color: var(--muted); font-size: 13px; }
.site-footer p { margin: 4px 0; }
.site-footer a { color: var(--muted); }

@media (max-width: 560px) {
  .wrap { padding: 0 14px; }
  .card { padding: 16px; }
  .site-header { padding-top: 20px; }
  .trust { font-size: 13px; }
  .brand-sub { display: none; }
}
@media (prefers-reduced-motion: no-preference) {
  .btn, .broker, .check, .field input, .field select { transition: border-color .15s ease, background-color .15s ease; }
  html { scroll-behavior: smooth; }
}
@media print {
  .skip { display: none; }
  .layout { display: block; }
  .inputs { position: static; max-height: none; }
  .card { box-shadow: none; break-inside: avoid; }
}