/* Layout: two-pane console — inputs on the left, a sticky result panel on the right; stacks on phones */
:root {
  --bg: #eef1f3;
  --field: #eef1f3;
  --surface: #ffffff;
  --ink: #15212c;
  --muted: #5d6b78;
  --line: #d5dce2;
  --track: #dde3e8;
  --accent: #2563eb;
  --accent-soft: #e3ecfd;
  --steel: #2563eb;
  --interest: #eb4625;
  --slider: #eb4625;
  --vat: #eba925;
  --gold: #b07a0c;
  --panel: #15212c;
  --panel-ink: #f2f5f7;
  --panel-muted: #9fb0bf;
  --font-display: "Chakra Petch", "IBM Plex Sans Thai", system-ui, sans-serif;
  --font-body: "IBM Plex Sans Thai", system-ui, -apple-system, sans-serif;
  --font-num: "IBM Plex Mono", ui-monospace, Menlo, monospace;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0b1a3d; --surface: #122550; --field: #0a1734; --ink: #e9eef8; --muted: #9fb0d0; --line: #243a6e;
    --track: #243a6e; --accent: #2563eb; --accent-soft: #1a3272; --steel: #5b8ef0; --interest: #eb4625; --vat: #eba925; --gold: #eba925;
    --panel: #17306a; --panel-ink: #f2f5f7; --panel-muted: #a9bce0; color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #0b1a3d; --surface: #122550; --field: #0a1734; --ink: #e9eef8; --muted: #9fb0d0; --line: #243a6e;
  --track: #243a6e; --accent: #2563eb; --accent-soft: #1a3272; --steel: #5b8ef0; --interest: #eb4625; --vat: #eba925; --gold: #eba925;
  --panel: #17306a; --panel-ink: #f2f5f7; --panel-muted: #a9bce0; color-scheme: dark;
}
* { box-sizing: border-box; }
body {
  background: var(--bg); color: var(--ink); font-family: var(--font-body); font-size: 15px; line-height: 1.55;
  padding-left: max(16px, env(safe-area-inset-left, 0px));
  padding-right: max(16px, env(safe-area-inset-right, 0px));
  padding-block: 28px 48px;
}
.wrap { max-width: 1080px; margin: 0 auto; display: grid; gap: 20px; }
header h1 { font-family: var(--font-display); font-weight: 700; font-size: 1.9rem; margin: 0; letter-spacing: .01em; text-wrap: balance; }
header p { margin: 4px 0 0; color: var(--muted); }
.hint { margin: 0 0 -8px; color: var(--muted); font-size: .9rem; max-width: 60ch; }
header .tagline { margin: 2px 0 6px; font: 600 1.2rem var(--font-display); color: var(--gold); }
.grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 400px); gap: 20px; align-items: start; }
@media (max-width: 860px) { .grid { grid-template-columns: minmax(0, 1fr); } }

.card { background: var(--surface); border: 1px solid var(--line); border-radius: 12px; padding: 20px; display: grid; gap: 22px; }

.seg { display: inline-flex; background: var(--track); border-radius: 10px; padding: 4px; gap: 4px; }
.seg button { font: inherit; font-weight: 600; border: 0; background: transparent; color: var(--muted); padding: 8px 18px; border-radius: 7px; cursor: pointer; }
.seg button[aria-pressed="true"] { background: var(--surface); color: var(--ink); box-shadow: 0 1px 2px rgba(0,0,0,.12); }
.seg button:focus-visible, .chips button:focus-visible, .row-btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

.field { display: grid; gap: 8px; }
.field-head { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; flex-wrap: wrap; }
.field-head label { font-weight: 600; }
.field-head .hint { color: var(--muted); font-size: .85rem; }
.num { display: flex; align-items: center; gap: 6px; background: var(--field); border: 1px solid var(--line); border-radius: 8px; padding: 4px 10px; }
.num:focus-within { border-color: var(--accent); }
.num input { font: 500 1rem var(--font-num); color: var(--ink); background: transparent; border: 0; width: 8.5em; text-align: right; outline: none; font-variant-numeric: tabular-nums; }
.num input.short { width: 4.2em; }
.num span { color: var(--muted); font-size: .85rem; }
.dual { display: flex; gap: 8px; flex-wrap: wrap; justify-content: flex-end; }

input[type="range"] { -webkit-appearance: none; appearance: none; width: 100%; height: 28px; background: transparent; cursor: pointer; margin: 0; }
input[type="range"]::-webkit-slider-runnable-track { height: 6px; border-radius: 3px; background: linear-gradient(to right, var(--slider) var(--p, 50%), var(--track) var(--p, 50%)); }
input[type="range"]::-moz-range-track { height: 6px; border-radius: 3px; background: var(--track); }
input[type="range"]::-moz-range-progress { height: 6px; border-radius: 3px; background: var(--slider); }
input[type="range"]::-webkit-slider-thumb { -webkit-appearance: none; width: 22px; height: 22px; border-radius: 50%; background: var(--surface); border: 3px solid var(--slider); margin-top: -8px; }
input[type="range"]::-moz-range-thumb { width: 16px; height: 16px; border-radius: 50%; background: var(--surface); border: 3px solid var(--slider); }
input[type="range"]:focus-visible { outline: 2px solid var(--slider); outline-offset: 4px; border-radius: 4px; }
.scale { display: flex; justify-content: space-between; color: var(--muted); font: .75rem var(--font-num); }

.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chips button { font: 500 .85rem var(--font-num); border: 1px solid var(--line); background: var(--surface); color: var(--ink); padding: 5px 10px; border-radius: 6px; cursor: pointer; }
.chips button[aria-pressed="true"] { background: var(--accent); border-color: var(--accent); color: #fff; }

.check { display: flex; gap: 12px; align-items: flex-start; padding: 14px; border-radius: 10px; background: var(--accent-soft); }
.check input { width: 20px; height: 20px; accent-color: var(--accent); margin: 2px 0 0; flex: none; }
.check label { font-weight: 600; cursor: pointer; }
.check small { display: block; font-weight: 400; color: var(--muted); }
.car-info { display: grid; gap: 10px; }
.car-info-head { font-weight: 600; }
.car-info-head small { font-weight: 400; color: var(--muted); }
.car-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.3fr) minmax(0, .7fr); gap: 10px; }
@media (max-width: 480px) { .car-grid { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); } .car-grid label:first-child { grid-column: 1 / -1; } }
.car-grid label { display: grid; gap: 4px; font-size: .85rem; color: var(--muted); }
.car-grid input { font: inherit; font-size: 15px; color: var(--ink); background: var(--field); border: 1px solid var(--line); border-radius: 8px; padding: 9px 10px; width: 100%; min-width: 0; }
.car-grid input:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }
.note { color: var(--muted); font-size: .85rem; margin: 0; }

.result { position: sticky; top: calc(env(safe-area-inset-top, 0px) + 16px); background: var(--panel); color: var(--panel-ink); border-radius: 14px; padding: 22px; display: grid; gap: 18px; }
@media (max-width: 860px) { .result { position: relative; top: auto; } }
.eyebrow { font-size: .8rem; letter-spacing: .06em; color: var(--panel-muted); text-transform: uppercase; }
.big { font: 700 2.7rem/1.1 var(--font-display); font-variant-numeric: tabular-nums; }
.big small { font-size: 1rem; font-weight: 500; color: var(--panel-muted); margin-left: 6px; }
.sub { color: var(--panel-muted); font-size: .88rem; }
.kv { display: grid; gap: 0; }
.kv div { display: flex; justify-content: space-between; gap: 12px; padding: 9px 0; border-top: 1px solid rgba(255,255,255,.1); }
.kv dt { color: var(--panel-muted); margin: 0; }
.kv dd { margin: 0; font: 500 .95rem var(--font-num); font-variant-numeric: tabular-nums; text-align: right; }
.kv .hl dd { color: var(--interest); font-weight: 600; }
.finish { background: rgba(255,255,255,.06); border-radius: 10px; padding: 12px 14px; display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; }
.finish strong { font: 600 1.15rem var(--font-display); }
.bar { display: flex; height: 12px; border-radius: 6px; overflow: hidden; background: rgba(255,255,255,.1); }
.bar i { display: block; height: 100%; }
.legend { display: flex; flex-wrap: wrap; gap: 6px 14px; font-size: .8rem; color: var(--panel-muted); }
.legend span::before { content: ""; display: inline-block; width: 9px; height: 9px; border-radius: 2px; margin-right: 6px; background: var(--c); vertical-align: 0; }

.compare h2 { font: 600 1.15rem var(--font-display); margin: 0; }
.tbl { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-variant-numeric: tabular-nums; min-width: 620px; }
th, td { padding: 9px 10px; text-align: right; border-bottom: 1px solid var(--line); white-space: nowrap; }
th { font-weight: 500; color: var(--muted); font-size: .82rem; }
th:first-child, td:first-child { text-align: left; }
td { font-family: var(--font-num); font-size: .9rem; }
tr.cur td { background: var(--accent-soft); }
tr.cur td:first-child { box-shadow: inset 3px 0 0 var(--accent); }
.save-btn { font: 600 1rem var(--font-body); background: var(--accent); color: #fff; border: 0; border-radius: 10px; padding: 12px 16px; cursor: pointer; width: 100%; }
.save-btn:hover { filter: brightness(1.06); }
.save-btn:focus-visible { outline: 2px solid var(--panel-ink); outline-offset: 2px; }
.save-btn:disabled { opacity: .6; cursor: progress; }
/* Popup is placed next to the button that opened it (not viewport-centred), so it stays on screen even when the frame is taller than the window */
.overlay { position: fixed; inset: 0; z-index: 30; background: rgba(8, 14, 20, .6); }
.overlay[hidden] { display: none; }
.pop { position: absolute; left: 50%; transform: translateX(-50%); top: 16px; width: min(480px, calc(100% - 32px));
  background: var(--surface); color: var(--ink); border-radius: 14px; padding: 16px; display: grid; gap: 12px;
  box-shadow: 0 18px 50px rgba(0,0,0,.35); }
.pop-head { display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.pop-head h2 { font: 600 1.1rem var(--font-display); margin: 0; }
.pop-img { max-height: min(62vh, 560px); overflow: auto; border: 1px solid var(--line); border-radius: 8px; background: var(--field); }
.pop-img img { display: block; width: 100%; height: auto; }
.pop .note { margin: 0; }
.cmp-head { display: flex; justify-content: space-between; align-items: center; gap: 10px; flex-wrap: wrap; }
.ghost { font: 500 .85rem var(--font-body); border: 1px solid var(--line); background: var(--field); color: var(--ink); padding: 6px 12px; border-radius: 6px; cursor: pointer; }
.ghost:hover { border-color: var(--accent); }
.ghost:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.num.mini { display: inline-flex; padding: 2px 8px; background: var(--field); }
.num.mini input { width: 3.6em; font-size: .9rem; }
td.c-r { text-align: right; }
.row-btn { font: inherit; background: none; border: 0; color: var(--steel); cursor: pointer; padding: 0; text-decoration: underline; text-underline-offset: 3px; }
@media (prefers-reduced-motion: no-preference) { .big, .finish strong { transition: color .2s; } }

/* ---- site additions ---- */
html { -webkit-text-size-adjust: 100%; }
[hidden] { display: none !important; }
img { max-width: 100%; }
body { margin: 0; }
a { color: var(--steel); }
.ad { min-height: 100px; display: grid; place-items: center; overflow: hidden; }
.ad.placeholder { border: 1px dashed var(--line); border-radius: 10px; color: var(--muted); font-size: .8rem; letter-spacing: .06em; }
.ad.empty { display: none; }
.ad-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr)); gap: 12px; }
.ad-house { min-height: 100px; display: grid; place-content: center; justify-items: center; gap: 2px; text-align: center; padding: 14px 16px;
  border: 1px dashed var(--accent); border-radius: 10px; background: var(--accent-soft); color: var(--ink); text-decoration: none; }
.ad-house:hover { border-style: solid; }
.ad-house:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.ad-house-tag { font-size: .72rem; letter-spacing: .08em; color: var(--muted); }
.ad-house strong { font: 600 1.05rem var(--font-display); color: var(--accent); }
.ad-house-mail { font-size: .82rem; color: var(--muted); overflow-wrap: anywhere; }
.guide { gap: 12px; max-width: 100%; }
.guide h2 { font: 600 1.25rem var(--font-display); margin: 0; text-wrap: balance; }
.guide h3 { font: 600 1.05rem var(--font-display); margin: 12px 0 0; }
.guide p, .guide ol { margin: 0; max-width: 68ch; }
.guide ol { padding-left: 1.4em; display: grid; gap: 4px; }
.foot { color: var(--muted); font-size: .85rem; display: grid; gap: 6px; padding-top: 4px; }
.foot p { margin: 0; max-width: 72ch; }
/* CI: page sits on brand blue, so text outside cards is white */
:root[data-theme="dark"] header h1 { color: #fff; }
header h1 .dot-com { color: var(--interest); }
/* service switcher under the brand: active = yellow pill, others = outlined */
.svc { display: flex; flex-wrap: wrap; gap: 8px; margin: 6px 0 4px; }
.svc a { font: 600 1.05rem var(--font-display); padding: 2px 14px; border-radius: 999px; border: 2px solid var(--vat); color: var(--ink); text-decoration: none; }
.svc a:hover { background: color-mix(in srgb, var(--vat) 18%, transparent); }
.svc a[aria-current="page"] { background: var(--vat); color: #15212c; }
.svc a:focus-visible { outline: 2px solid #fff; outline-offset: 2px; }
:root[data-theme="dark"] .foot { color: rgba(255,255,255,.85); }
:root[data-theme="dark"] .foot a { color: #fff; }
:root[data-theme="dark"] body::before { opacity: .06; }
:root[data-theme="dark"] body { border-top: 4px solid var(--accent); }

/* background watermark */
body { position: relative; isolation: isolate; }
body::before { content: ""; position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%22340%22%20height%3D%22220%22%3E%3Ctext%20x%3D%22170%22%20y%3D%22110%22%20text-anchor%3D%22middle%22%20dominant-baseline%3D%22middle%22%20transform%3D%22rotate%28-24%20170%20110%29%22%20font-family%3D%22Chakra%20Petch%2C%20IBM%20Plex%20Sans%20Thai%2C%20Thonburi%2C%20Tahoma%2C%20sans-serif%22%20font-size%3D%2226%22%20font-weight%3D%22700%22%20fill%3D%22%2315212c%22%3E%E0%B8%A2%E0%B8%AD%E0%B8%94%E0%B8%9C%E0%B9%88%E0%B8%AD%E0%B8%99.com%3C%2Ftext%3E%3C%2Fsvg%3E"); opacity: .05; }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) body::before { background-image: url("data:image/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%22340%22%20height%3D%22220%22%3E%3Ctext%20x%3D%22170%22%20y%3D%22110%22%20text-anchor%3D%22middle%22%20dominant-baseline%3D%22middle%22%20transform%3D%22rotate%28-24%20170%20110%29%22%20font-family%3D%22Chakra%20Petch%2C%20IBM%20Plex%20Sans%20Thai%2C%20Thonburi%2C%20Tahoma%2C%20sans-serif%22%20font-size%3D%2226%22%20font-weight%3D%22700%22%20fill%3D%22%23e7edf2%22%3E%E0%B8%A2%E0%B8%AD%E0%B8%94%E0%B8%9C%E0%B9%88%E0%B8%AD%E0%B8%99.com%3C%2Ftext%3E%3C%2Fsvg%3E"); opacity: .05; } }
:root[data-theme="dark"] body::before { background-image: url("data:image/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%22340%22%20height%3D%22220%22%3E%3Ctext%20x%3D%22170%22%20y%3D%22110%22%20text-anchor%3D%22middle%22%20dominant-baseline%3D%22middle%22%20transform%3D%22rotate%28-24%20170%20110%29%22%20font-family%3D%22Chakra%20Petch%2C%20IBM%20Plex%20Sans%20Thai%2C%20Thonburi%2C%20Tahoma%2C%20sans-serif%22%20font-size%3D%2226%22%20font-weight%3D%22700%22%20fill%3D%22%23e7edf2%22%3E%E0%B8%A2%E0%B8%AD%E0%B8%94%E0%B8%9C%E0%B9%88%E0%B8%AD%E0%B8%99.com%3C%2Ftext%3E%3C%2Fsvg%3E"); opacity: .05; }
.card { background: color-mix(in srgb, var(--surface) 90%, transparent); }

/* top-layer watermark over the result summary, so screenshots carry it */
.result::after { content: ""; position: absolute; inset: 0; border-radius: inherit; pointer-events: none; z-index: 2;
  background-image: url("data:image/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%22230%22%20height%3D%22150%22%3E%3Ctext%20x%3D%22115%22%20y%3D%2275%22%20text-anchor%3D%22middle%22%20dominant-baseline%3D%22middle%22%20transform%3D%22rotate%28-24%20115%2075%29%22%20font-family%3D%22Chakra%20Petch%2C%20IBM%20Plex%20Sans%20Thai%2C%20Thonburi%2C%20Tahoma%2C%20sans-serif%22%20font-size%3D%2222%22%20font-weight%3D%22700%22%20fill%3D%22%23ffffff%22%3E%E0%B8%A2%E0%B8%AD%E0%B8%94%E0%B8%9C%E0%B9%88%E0%B8%AD%E0%B8%99.com%3C%2Ftext%3E%3C%2Fsvg%3E"); opacity: .045; }

/* top-layer watermark over the term comparison table */
.compare { position: relative; }
.compare::after { content: ""; position: absolute; inset: 0; border-radius: inherit; pointer-events: none; z-index: 2;
  background-image: url("data:image/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%22260%22%20height%3D%22160%22%3E%3Ctext%20x%3D%22130%22%20y%3D%2280%22%20text-anchor%3D%22middle%22%20dominant-baseline%3D%22middle%22%20transform%3D%22rotate%28-24%20130%2080%29%22%20font-family%3D%22Chakra%20Petch%2C%20IBM%20Plex%20Sans%20Thai%2C%20Thonburi%2C%20Tahoma%2C%20sans-serif%22%20font-size%3D%2222%22%20font-weight%3D%22700%22%20fill%3D%22%2315212c%22%3E%E0%B8%A2%E0%B8%AD%E0%B8%94%E0%B8%9C%E0%B9%88%E0%B8%AD%E0%B8%99.com%3C%2Ftext%3E%3C%2Fsvg%3E"); opacity: .035; }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .compare::after { background-image: url("data:image/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%22260%22%20height%3D%22160%22%3E%3Ctext%20x%3D%22130%22%20y%3D%2280%22%20text-anchor%3D%22middle%22%20dominant-baseline%3D%22middle%22%20transform%3D%22rotate%28-24%20130%2080%29%22%20font-family%3D%22Chakra%20Petch%2C%20IBM%20Plex%20Sans%20Thai%2C%20Thonburi%2C%20Tahoma%2C%20sans-serif%22%20font-size%3D%2222%22%20font-weight%3D%22700%22%20fill%3D%22%23ffffff%22%3E%E0%B8%A2%E0%B8%AD%E0%B8%94%E0%B8%9C%E0%B9%88%E0%B8%AD%E0%B8%99.com%3C%2Ftext%3E%3C%2Fsvg%3E"); opacity: .04; } }
:root[data-theme="dark"] .compare::after { background-image: url("data:image/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%22260%22%20height%3D%22160%22%3E%3Ctext%20x%3D%22130%22%20y%3D%2280%22%20text-anchor%3D%22middle%22%20dominant-baseline%3D%22middle%22%20transform%3D%22rotate%28-24%20130%2080%29%22%20font-family%3D%22Chakra%20Petch%2C%20IBM%20Plex%20Sans%20Thai%2C%20Thonburi%2C%20Tahoma%2C%20sans-serif%22%20font-size%3D%2222%22%20font-weight%3D%22700%22%20fill%3D%22%23ffffff%22%3E%E0%B8%A2%E0%B8%AD%E0%B8%94%E0%B8%9C%E0%B9%88%E0%B8%AD%E0%B8%99.com%3C%2Ftext%3E%3C%2Fsvg%3E"); opacity: .04; }

/* ---- home-loan page ---- */
.rate-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 8px; }
@media (max-width: 520px) { .rate-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
.rate-grid label { display: grid; gap: 4px; font-size: .82rem; color: var(--muted); }
.rate-grid .num { justify-content: flex-end; }
.rate-grid .num input { width: 100%; min-width: 0; }
.phases { display: grid; gap: 4px; font-size: .88rem; color: var(--panel-muted); }
.phases div { display: flex; justify-content: space-between; gap: 12px; }
.phases b { font: 500 .92rem var(--font-num); color: var(--panel-ink); }
.yearly summary { cursor: pointer; font: 600 1rem var(--font-display); }
.yearly summary:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 4px; }
.yearly[open] summary { margin-bottom: 10px; }