/* Layout: a dark "control room" band up top with the price strip, then one bright column of readouts.
   Sunflower yellow is reserved for the switch buttons, so they're the one thing that pops. */
:root {
  --bg: #F3F5FA;
  --surface: #FFFFFF;
  --ink: #101A2C;
  --muted: #586579;
  --line: #DCE2EC;
  --grid: #E8ECF3;
  --hero-bg: #0E1A2E;
  --hero-ink: #F3F6FB;
  --hero-muted: #A7B4CA;
  --hero-line: #24324A;
  --hero-bar: #3A4C6B;
  --cta: #FFC83D;
  --cta-hover: #FFB703;
  --cta-ink: #1B1500;
  --cta-wash: #FFF4D1;
  --accent: #2F6FE0;
  --bar: #A3B0C4;
  --cheap: #2F6FE0;
  --plunge: #00936E;
  --plunge-bright: #2EE6A8;
  --peak: #D0581F;
  --plunge-wash: #E2F5EE;
  --peak-wash: #FBEDE5;
  --cheap-wash: #E7EEFC;
  --error: #B42318;
  --error-wash: #FDECEA;
  --font-display: "Archivo", "Arial Narrow", system-ui, sans-serif;
  --font-body: "Public Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-data: "IBM Plex Mono", ui-monospace, "SF Mono", Menlo, monospace;
  --radius: 14px;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0B111D; --surface: #141D2C; --ink: #E7ECF4; --muted: #9CA8BB; --line: #253248; --grid: #1D2738;
    --hero-bg: #070C17; --hero-line: #1E2A40; --hero-bar: #33435F;
    --cta-wash: #3A3115; --accent: #5B92F0; --bar: #56657F; --cheap: #5B92F0; --plunge: #18A07A; --peak: #D36A34;
    --plunge-wash: #12302A; --peak-wash: #36221A; --cheap-wash: #1A2A47; --error: #F97066; --error-wash: #3B1A18;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #0B111D; --surface: #141D2C; --ink: #E7ECF4; --muted: #9CA8BB; --line: #253248; --grid: #1D2738;
  --hero-bg: #070C17; --hero-line: #1E2A40; --hero-bar: #33435F;
  --cta-wash: #3A3115; --accent: #5B92F0; --bar: #56657F; --cheap: #5B92F0; --plunge: #18A07A; --peak: #D36A34;
  --plunge-wash: #12302A; --peak-wash: #36221A; --cheap-wash: #1A2A47; --error: #F97066; --error-wash: #3B1A18;
  color-scheme: dark;
}

* { box-sizing: border-box; }
/* Anything marked hidden stays hidden, even if a class gives it a display style. */
[hidden] { display: none !important; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 16px/1.55 var(--font-body); -webkit-font-smoothing: antialiased; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }
h2 { font: 800 1.15rem/1.2 var(--font-display); margin: 0; letter-spacing: -0.01em; text-wrap: balance; }

/* ---- Hero ---------------------------------------------------------- */
.hero { background: var(--hero-bg); color: var(--hero-ink); border-bottom: 1px solid var(--hero-line); }
.hero-inner { max-width: 820px; margin: 0 auto; padding-inline: 16px; padding-block: 18px 0; display: grid; gap: 14px; }
.brandline { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.mark { width: 32px; height: 32px; flex: none; }
.wordmark { font: 900 1.15rem var(--font-display); letter-spacing: -0.01em; }
.live { margin-left: auto; display: inline-flex; align-items: center; gap: 7px; font: 500 0.75rem var(--font-data); color: var(--hero-muted);
  border: 1px solid var(--hero-line); border-radius: 999px; padding: 4px 10px; }
.live i { width: 7px; height: 7px; border-radius: 50%; background: var(--plunge-bright); box-shadow: 0 0 0 3px rgba(46, 230, 168, 0.18); }
.hero h1 { font: 900 clamp(1.8rem, 6vw, 2.9rem)/1.05 var(--font-display); letter-spacing: -0.025em; margin: 6px 0 0; max-width: 18ch; text-wrap: balance; }
.hero-lede { margin: 0; color: var(--hero-muted); max-width: 52ch; }
.hero-cta { display: grid; gap: 8px; justify-items: start; }
.fine { margin: 0; font-size: 0.8rem; color: var(--hero-muted); }
.strip { display: block; width: 100%; height: 44px; margin-top: 6px; }

/* ---- Buttons ------------------------------------------------------- */
.btn-cta {
  display: inline-flex; align-items: center; gap: 10px; flex-wrap: wrap;
  background: var(--cta); color: var(--cta-ink); text-decoration: none; font: 800 1rem/1.2 var(--font-body);
  padding: 13px 18px; border-radius: 12px; box-shadow: 0 2px 0 rgba(0, 0, 0, 0.18);
}
.btn-cta:hover { background: var(--cta-hover); }
.btn-cta.big { font-size: 1.08rem; padding: 15px 20px; }
.btn-cta.small { font-size: 0.9rem; padding: 9px 14px; }
.badge { background: var(--cta-ink); color: var(--cta); font: 700 0.75rem var(--font-data); padding: 3px 8px; border-radius: 999px; }
.btn-secondary {
  font: 700 0.95rem var(--font-body); color: var(--surface); background: var(--ink); border: 0; border-radius: 10px;
  padding: 0 16px; cursor: pointer; min-height: 44px;
}
.btn-secondary:disabled { opacity: 0.6; cursor: progress; }
@media (prefers-reduced-motion: no-preference) {
  .btn-cta { transition: background 0.15s, transform 0.15s; }
  .btn-cta:hover { transform: translateY(-1px); }
}

/* ---- Main column --------------------------------------------------- */
.wrap { max-width: 820px; margin: 0 auto; padding-inline: 16px; padding-block: 20px 48px; display: grid; gap: 18px; }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); }

.area { padding: 16px; display: grid; gap: 12px; }
.area-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 16px; }
.field { display: grid; gap: 6px; align-content: start; min-width: 0; margin: 0; }
.field label { font-weight: 700; font-size: 0.9rem; }
.hint { margin: 0; font-size: 0.82rem; color: var(--muted); }
select, input[type="text"] {
  font: inherit; font-size: 1rem; color: var(--ink); background: var(--bg);
  border: 1.5px solid var(--line); border-radius: 10px; padding: 10px 12px; min-height: 44px; width: 100%; min-width: 0;
}
input[type="text"] { font-family: var(--font-data); text-transform: uppercase; letter-spacing: 0.04em; }
input[type="text"]::placeholder { text-transform: none; letter-spacing: 0; font-family: var(--font-body); color: var(--muted); }
input[aria-invalid="true"] { border-color: var(--error); }
.pc-row { display: flex; gap: 8px; }
.pc-msg { border-radius: 10px; padding: 10px 12px; font-size: 0.9rem; display: grid; gap: 8px; }
.pc-msg.ok { background: var(--plunge-wash); }
.pc-msg.ok b { color: var(--plunge); }
.pc-msg.warn { background: var(--cheap-wash); }
.pc-msg.err { background: var(--error-wash); color: var(--error); }
.choices { display: flex; flex-wrap: wrap; gap: 8px; }
.choices button {
  font: 600 0.88rem var(--font-body); background: var(--surface); color: var(--ink); border: 1.5px solid var(--accent);
  border-radius: 999px; padding: 6px 12px; cursor: pointer; min-height: 36px;
}

.dayrow { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.days { display: inline-flex; background: var(--surface); border: 1px solid var(--line); border-radius: 12px; padding: 4px; gap: 4px; }
.days button { font: 700 0.95rem var(--font-body); color: var(--muted); background: none; border: 0; border-radius: 9px; padding: 8px 18px; cursor: pointer; min-height: 40px; }
.days button[aria-pressed="true"] { background: var(--ink); color: var(--bg); }
.days button:disabled { opacity: 0.45; cursor: not-allowed; }
.daylabel { font-weight: 600; color: var(--muted); }

.notice { background: var(--surface); border: 1px dashed var(--line); border-radius: var(--radius); padding: 14px 16px; color: var(--muted); }

.results { display: grid; gap: 12px; }
.plunge { background: var(--plunge-wash); border: 1px solid var(--plunge); border-radius: var(--radius); padding: 16px; display: grid; gap: 8px; }
.plunge-head { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.plunge strong { font: 900 0.78rem var(--font-display); text-transform: uppercase; letter-spacing: 0.1em; color: var(--plunge); }
.plunge-when { font: 700 0.75rem var(--font-body); background: var(--plunge); color: #fff; border-radius: 999px; padding: 3px 10px; }
.plunge-when.past { background: var(--surface); color: var(--muted); border: 1px solid var(--line); }
.plunge-h { margin: 0; font: 800 1.25rem/1.25 var(--font-display); letter-spacing: -0.01em; text-wrap: balance; }
.plunge-p { margin: 0; max-width: 62ch; }
.plunge-cta { border-top: 1px solid var(--plunge); padding-top: 12px; margin-top: 4px; display: grid; gap: 10px; }
.plunge-cta p { margin: 0; font-size: 0.92rem; max-width: 62ch; }
.plunge-actions { display: flex; align-items: center; gap: 8px 14px; flex-wrap: wrap; }
.plunge-fine { font-size: 0.78rem; color: var(--muted); }
@media (prefers-reduced-motion: no-preference) {
  .plunge-when.live { animation: plunge-pulse 2s ease-in-out infinite; }
  @keyframes plunge-pulse { 50% { opacity: 0.65; } }
}
.verdict { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 12px; }
.window { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px; display: grid; gap: 3px; min-width: 0; border-top: 5px solid var(--line); }
.window.best { border-top-color: var(--cheap); }
.window.worst { border-top-color: var(--peak); }
.window .k { font: 800 0.72rem var(--font-display); text-transform: uppercase; letter-spacing: 0.09em; }
.window.best .k { color: var(--cheap); }
.window.worst .k { color: var(--peak); }
.window .v { font: 700 1.8rem/1.15 var(--font-data); font-variant-numeric: tabular-nums; letter-spacing: -0.03em; }
.window .s { color: var(--muted); font-size: 0.9rem; }
.facts { display: flex; flex-wrap: wrap; gap: 6px 22px; margin: 0; font-size: 0.9rem; color: var(--muted); }
.facts b { color: var(--ink); font: 600 0.95rem var(--font-data); font-variant-numeric: tabular-nums; }

.promo {
  background: var(--cta-wash); border: 1.5px solid var(--cta); border-radius: var(--radius);
  padding: 14px 16px; display: flex; align-items: center; justify-content: space-between; gap: 12px 16px; flex-wrap: wrap;
}
.promo > div { min-width: 0; flex: 1 1 240px; }
.promo-h { margin: 0; font-weight: 800; }
.promo-s { margin: 2px 0 0; color: var(--muted); font-size: 0.92rem; }

figure.chart { margin: 0; padding: 14px 12px 10px; position: relative; }
figure.chart figcaption { font-size: 0.85rem; color: var(--muted); padding: 0 4px 8px; }
.chart-scroll { overflow-x: auto; }
svg.bars { display: block; width: 100%; height: auto; min-width: 300px; touch-action: pan-y; }
svg.bars text { fill: var(--muted); font: 11px var(--font-data); }
svg.bars .grid { stroke: var(--grid); stroke-width: 1; }
svg.bars .zero { stroke: var(--ink); stroke-width: 1; opacity: 0.55; }
svg.bars .now { stroke: var(--ink); stroke-width: 1.5; stroke-dasharray: 3 3; }
svg.bars .hover { fill: var(--ink); opacity: 0.06; }
.legend { display: flex; flex-wrap: wrap; gap: 6px 16px; padding: 8px 4px 0; font-size: 0.8rem; color: var(--muted); }
.legend span { display: inline-flex; align-items: center; gap: 6px; }
.legend i { width: 10px; height: 10px; border-radius: 2px; display: inline-block; }
.tip { position: absolute; pointer-events: none; background: var(--ink); color: var(--bg); border-radius: 6px; padding: 6px 9px; font: 12px/1.35 var(--font-data); white-space: nowrap; transform: translate(-50%, -100%); }

details.table summary { cursor: pointer; padding: 14px 16px; font-weight: 700; }
.table-scroll { overflow-x: auto; padding: 0 8px 8px; }
table { width: 100%; border-collapse: collapse; font-variant-numeric: tabular-nums; }
th, td { text-align: left; padding: 7px 8px; border-top: 1px solid var(--grid); font-size: 0.9rem; }
th { font: 700 0.72rem var(--font-display); text-transform: uppercase; letter-spacing: 0.06em; color: var(--muted); }
td.t { font-family: var(--font-data); white-space: nowrap; }
td.p, th.p { text-align: right; }
td.p { font-family: var(--font-data); white-space: nowrap; }
.chip { font: 600 0.72rem var(--font-body); padding: 2px 8px; border-radius: 999px; white-space: nowrap; }
.chip.plunge-c { background: var(--plunge-wash); color: var(--plunge); }
.chip.cheap-c { background: var(--cheap-wash); color: var(--cheap); }
.chip.peak-c { background: var(--peak-wash); color: var(--peak); }
.chip.now-c { border: 1px solid var(--line); color: var(--ink); }
tr.neg td.p { color: var(--plunge); font-weight: 700; }

.switch { background: var(--hero-bg); color: var(--hero-ink); border: 1px solid var(--hero-line); border-radius: var(--radius); padding: 22px 18px; display: grid; gap: 14px; }
.steps { margin: 0; padding: 0; list-style: none; counter-reset: s; display: grid; gap: 12px; }
.steps li { counter-increment: s; display: grid; grid-template-columns: 34px 1fr; gap: 10px; color: var(--hero-muted); align-items: start; }
.steps li::before { content: counter(s); width: 30px; height: 30px; border-radius: 50%; display: grid; place-items: center; background: var(--cta); color: var(--cta-ink); font: 800 0.95rem var(--font-display); }
.steps b { color: var(--hero-ink); }
.switch .btn-cta { justify-self: start; }
.fine-dark { margin: 0; font-size: 0.8rem; color: var(--hero-muted); max-width: 60ch; }

.about { display: grid; gap: 6px; }
.about p { margin: 0; max-width: 65ch; color: var(--muted); font-size: 0.95rem; }

footer.small { font-size: 0.82rem; color: var(--muted); display: grid; gap: 6px; border-top: 1px solid var(--line); padding-top: 14px; }
footer.small p { margin: 0; max-width: 70ch; }

.stickybar {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 10;
  display: flex; align-items: center; gap: 10px;
  background: var(--hero-bg); color: var(--hero-ink); border-top: 1px solid var(--hero-line);
  padding: 10px 12px calc(10px + env(safe-area-inset-bottom, 0px)) 16px;
}
.sb-text { flex: 1; min-width: 0; font-size: 0.88rem; }
.sb-text b { color: var(--cta); }
.sb-close { background: none; border: 0; color: var(--hero-muted); font-size: 1.4rem; line-height: 1; width: 36px; height: 36px; cursor: pointer; border-radius: 8px; }
body.has-bar main { padding-bottom: 96px; }
@media (min-width: 900px) { .stickybar { display: none !important; } body.has-bar main { padding-bottom: 48px; } }

/* ---- Region pages and the GB comparison table (added by the build) ---- */
.compare, .local { padding: 16px; display: grid; gap: 10px; }
.compare .table-scroll, .local .table-scroll { padding: 0; }
.lead { margin: 0; color: var(--muted); max-width: 65ch; font-size: 0.95rem; }
.lead b { color: var(--ink); }
.compare a { color: var(--ink); font-weight: 600; text-decoration-color: var(--line); text-underline-offset: 3px; }
.compare a:hover { text-decoration-color: var(--accent); }
th.n, td.n { width: 2.2em; color: var(--muted); font-family: var(--font-data); }
td.t { font-family: var(--font-data); white-space: nowrap; }
tr.is-current td { background: var(--cta-wash); font-weight: 700; }
tr.is-current td:first-child { box-shadow: inset 4px 0 0 var(--cta); }
.local h3 { font: 800 0.95rem var(--font-display); margin: 6px 0 0; }
.factlist { margin: 0; display: grid; gap: 0; border-top: 1px solid var(--grid); }
.factlist > div { display: grid; grid-template-columns: minmax(120px, 34%) 1fr; gap: 12px; padding: 8px 0; border-bottom: 1px solid var(--grid); }
.factlist dt { color: var(--muted); font-size: 0.88rem; }
.factlist dd { margin: 0; font-weight: 600; min-width: 0; }
.faq { display: grid; gap: 8px; }
.faq h2 { margin-bottom: 4px; }
.faq details { background: var(--surface); border: 1px solid var(--line); border-radius: 12px; }
.faq summary { cursor: pointer; padding: 12px 16px; font-weight: 700; }
.faq details p { margin: 0; padding: 0 16px 14px; color: var(--muted); max-width: 65ch; }
.hint a { color: var(--accent); font-weight: 600; }
@media (max-width: 520px) {
  .compare th:nth-child(5), .compare td:nth-child(5) { display: none; }
}

.results-h { font: 800 1.2rem/1.25 var(--font-display); margin: 0; letter-spacing: -0.01em; text-wrap: balance; }
.region-links { display: flex; flex-wrap: wrap; gap: 8px; padding: 0; list-style: none; }
.region-links a { display: inline-block; padding: 6px 12px; border: 1px solid var(--line); border-radius: 999px; background: var(--surface); color: var(--ink); text-decoration: none; font-weight: 600; }