/* caniaffordthis.co.uk: shared styles
   Layout: form on the left, sticky results panel on the right; stacks on phones.
   Palette borrows UK road-sign green with a sign-amber highlight for the key figure. */

:root {
  --bg: #f4f7f5;
  --surface: #ffffff;
  --ink: #13221c;
  --muted: #5a6b63;
  --line: #d9e2dd;
  --accent: #0f6b4f;
  --accent-soft: #e2efe9;
  --panel: #0e3b2e;
  --panel-ink: #f1f7f4;
  --panel-muted: #a9c4b8;
  --panel-line: rgba(255, 255, 255, 0.14);
  --highlight: #ffc928;
  --warn-bg: #fff4d6;
  --warn-ink: #6b4a00;
  --danger-bg: #fde6e4;
  --danger-ink: #8a1f14;
  --font-display: "Bricolage Grotesque", "Segoe UI", system-ui, sans-serif;
  --font-body: "Figtree", "Segoe UI", system-ui, -apple-system, sans-serif;
  --bs-body-bg: var(--bg);
  --bs-body-color: var(--ink);
  --bs-body-font-family: var(--font-body);
  --bs-border-color: var(--line);
  --bs-secondary-color: var(--muted);
  --bs-tertiary-bg: var(--accent-soft);
  --bs-primary: var(--accent);
  --bs-primary-rgb: 15, 107, 79;
  --bs-focus-ring-color: rgba(15, 107, 79, 0.25);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]):not([data-bs-theme="light"]) {
    --bg: #0c1411;
    --surface: #131f1a;
    --ink: #e4ede8;
    --muted: #94a69d;
    --line: #26362f;
    --accent: #43c393;
    --accent-soft: #18302a;
    --panel: #0f3a2d;
    --panel-ink: #eef6f2;
    --panel-muted: #9fbcaf;
    --highlight: #ffd24d;
    --warn-bg: #3a2e0c;
    --warn-ink: #ffdf8a;
    --danger-bg: #3d1713;
    --danger-ink: #ffb3a8;
    --bs-primary-rgb: 67, 195, 147;
    --bs-focus-ring-color: rgba(67, 195, 147, 0.3);
    color-scheme: dark;
  }
}

:root[data-theme="dark"], :root[data-bs-theme="dark"] {
  --bg: #0c1411;
  --surface: #131f1a;
  --ink: #e4ede8;
  --muted: #94a69d;
  --line: #26362f;
  --accent: #43c393;
  --accent-soft: #18302a;
  --panel: #0f3a2d;
  --panel-ink: #eef6f2;
  --panel-muted: #9fbcaf;
  --highlight: #ffd24d;
  --warn-bg: #3a2e0c;
  --warn-ink: #ffdf8a;
  --danger-bg: #3d1713;
  --danger-ink: #ffb3a8;
  --bs-primary-rgb: 67, 195, 147;
  --bs-focus-ring-color: rgba(67, 195, 147, 0.3);
  color-scheme: dark;
}

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.55;
}

/* Header */

.site-header {
  background: var(--surface);
  border-bottom: 1px solid var(--line);
}

.brand {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: -0.01em;
  color: var(--ink);
  text-decoration: none;
}

.brand-tld {
  color: var(--accent);
}

.tool-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem;
}

.tool-link {
  padding: 0.35rem 0.8rem;
  border-radius: 999px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--muted);
  text-decoration: none;
}

.tool-link.active {
  background: var(--accent-soft);
  color: var(--accent);
}

.tool-link.disabled small {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  opacity: 0.75;
}

/* Intro */

.eyebrow {
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
}

.display-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2rem, 4.5vw, 3rem);
  line-height: 1.08;
  letter-spacing: -0.02em;
  text-wrap: balance;
  margin-bottom: 0.75rem;
}

.lead-text {
  max-width: 38rem;
  font-size: 1.1rem;
  color: var(--muted);
  margin: 0;
}

/* Form */

.calc-form {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.calc-section {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 0.75rem;
  padding: 1.5rem;
}

.section-head {
  display: flex;
  gap: 0.85rem;
  align-items: flex-start;
  margin-bottom: 1.25rem;
}

.step {
  flex: none;
  width: 1.9rem;
  height: 1.9rem;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.95rem;
  background: var(--accent);
  color: var(--surface);
}

.section-title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.25rem;
  margin: 0 0 0.15rem;
}

.section-hint {
  font-size: 0.92rem;
  color: var(--muted);
  margin: 0;
}

.form-label {
  font-weight: 500;
  font-size: 0.92rem;
}

.form-control, .form-select, .input-group-text {
  background-color: var(--surface);
  border-color: var(--line);
  color: var(--ink);
  font-variant-numeric: tabular-nums;
}

.input-group-text {
  background-color: var(--bg);
  color: var(--muted);
  font-size: 0.9rem;
}

.form-control:focus, .form-select:focus {
  background-color: var(--surface);
  color: var(--ink);
  border-color: var(--accent);
  box-shadow: 0 0 0 0.2rem var(--bs-focus-ring-color);
}

.form-text {
  color: var(--muted);
}

.form-range::-webkit-slider-thumb {
  background: var(--accent);
}

.form-range::-moz-range-thumb {
  background: var(--accent);
}

.form-range:focus::-webkit-slider-thumb {
  box-shadow: 0 0 0 0.2rem var(--bs-focus-ring-color);
}

.share-value {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
}

.share-value.over {
  color: var(--warn-ink);
}

.btn-reset {
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--ink);
  font-weight: 500;
}

.btn-reset:hover, .btn-reset:focus-visible {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--surface);
}

/* Results panel */

.results {
  top: 1.5rem;
  border-radius: 0.75rem;
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--surface);
}

.result-hero {
  background: var(--panel);
  color: var(--panel-ink);
  padding: 1.5rem 1.5rem 1.35rem;
}

.result-label {
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--panel-muted);
  margin: 0 0 0.25rem;
}

.result-price {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.5rem, 6vw, 3.4rem);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--highlight);
  font-variant-numeric: tabular-nums;
  margin: 0 0 0.5rem;
}

.result-sub {
  font-size: 0.92rem;
  color: var(--panel-muted);
  margin: 0;
  font-variant-numeric: tabular-nums;
}

.result-body {
  padding: 1.25rem 1.5rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.result-heading {
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--muted);
  margin: 0.25rem 0 -0.25rem;
}

.ledger {
  margin: 0;
}

.ledger-row {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--line);
}

.ledger-row:last-child {
  border-bottom: 0;
}

.ledger-row dt {
  font-weight: 400;
  color: var(--muted);
}

.ledger-row dd {
  margin: 0;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  text-align: right;
}

.ledger-row dd.minus {
  color: var(--danger-ink);
}

.ledger-row.total {
  border-top: 2px solid var(--ink);
  border-bottom: 0;
  margin-top: 0.15rem;
}

.ledger-row.total dt, .ledger-row.total dd {
  color: var(--ink);
  font-weight: 700;
}

/* Budget split bar */

.split-bar {
  display: flex;
  height: 0.6rem;
  border-radius: 999px;
  overflow: hidden;
  background: var(--accent-soft);
}

.split-bar span {
  display: block;
  height: 100%;
  transition: width 0.25s ease;
}

.split-running {
  background: var(--highlight);
}

/* yellow */

.split-finance {
  background: var(--accent);
}

/* green */

.split-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 0.5rem;
  font-size: 0.82rem;
  color: var(--muted);
}

.dot {
  display: inline-block;
  width: 0.6rem;
  height: 0.6rem;
  border-radius: 50%;
  margin-right: 0.35rem;
}

.dot-running {
  background: var(--highlight);
}

.dot-finance {
  background: var(--accent);
}

/* PDF download (sits in the price panel) */

.btn-download {
  margin-top: 1.1rem;
  width: 100%;
  background: var(--highlight);
  color: var(--panel);
  border: 0;
  font-weight: 600;
}

.btn-download:hover, .btn-download:focus-visible {
  background: var(--panel-ink);
  color: var(--panel);
}

.btn-download:focus-visible {
  outline-color: var(--highlight);
}

.download-note {
  margin: 0.6rem 0 0;
  font-size: 0.82rem;
  color: var(--panel-muted);
}

/* Notices */

.alert-note {
  border-radius: 0.5rem;
  padding: 0.75rem 0.9rem;
  font-size: 0.92rem;
  background: var(--warn-bg);
  color: var(--warn-ink);
}

.alert-note.is-danger {
  background: var(--danger-bg);
  color: var(--danger-ink);
}

/* Footer */

.site-footer {
  border-top: 1px solid var(--line);
  padding-top: 1.25rem;
  font-size: 0.88rem;
  color: var(--muted);
}

a:focus-visible, button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

@media (max-width: 575.98px) {
  .calc-section, .result-hero, .result-body {
    padding-left: 1.1rem;
    padding-right: 1.1rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .split-bar span {
    transition: none;
  }
}