/* ---- tokens ---------------------------------------------------------- */
:root {
  --bg: #FAF8F5;
  --card: #FFFFFF;
  --ink: #14201A;
  --muted: #5C6B62;
  --line: #E7E2D9;
  --primary: #1F3D2B;
  --primary-ink: #FFFFFF;
  --accent: #C9A96A;
  --good: #2E7D5B;
  --warn: #B3541E;

  --serif: ui-serif, "New York", Georgia, serif;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --radius: 16px;
  --gutter: 20px;
  --shadow: 0 1px 2px rgba(0, 0, 0, .05), 0 8px 24px rgba(20, 32, 26, .06);
  --ease: cubic-bezier(.2, .7, .3, 1);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0F1713; --card: #18211B; --ink: #ECF1ED; --muted: #9AA89F;
    --line: #26312A; --primary: #2E5741; --accent: #D6BC85;
    --shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 8px 24px rgba(0, 0, 0, .35);
  }
}
:root[data-theme="dark"] {
  --bg: #0F1713; --card: #18211B; --ink: #ECF1ED; --muted: #9AA89F;
  --line: #26312A; --primary: #2E5741; --accent: #D6BC85;
  --shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 8px 24px rgba(0, 0, 0, .35);
}
:root[data-theme="light"] {
  --bg: #FAF8F5; --card: #FFFFFF; --ink: #14201A; --muted: #5C6B62;
  --line: #E7E2D9; --primary: #1F3D2B; --accent: #C9A96A;
}

/* ---- base ------------------------------------------------------------ */
* { box-sizing: border-box; }

html {
  background: var(--bg);
  -webkit-text-size-adjust: 100%;
  overscroll-behavior: none;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.45;
  overscroll-behavior: none;
  touch-action: manipulation;
  padding: 0 var(--gutter) calc(40px + env(safe-area-inset-bottom));
  padding-left: max(var(--gutter), env(safe-area-inset-left));
  padding-right: max(var(--gutter), env(safe-area-inset-right));
  max-width: 560px;
  margin: 0 auto;
}

/* every numeral in the app holds its column while sliding */
.num, input, output, table, .total, .amt, .chip, .row-val, .donut-legend {
  font-variant-numeric: tabular-nums;
  font-feature-settings: "tnum" 1;
}

h1, h2, h3 { font-family: var(--serif); font-weight: 600; margin: 0; }
h2 { font-size: 20px; letter-spacing: -.01em; }

/* ---- header ---------------------------------------------------------- */
.masthead {
  display: flex; align-items: center; gap: 12px;
  padding: calc(18px + env(safe-area-inset-top)) 0 14px;
}
.brand {
  display: flex; flex-direction: column; justify-content: center;
  min-height: 44px;                       /* tap target */
  text-decoration: none; color: inherit;
  border-radius: 10px; padding: 2px 6px; margin-left: -6px;
  transition: background .18s var(--ease);
}
.brand:active { background: color-mix(in srgb, var(--ink) 6%, transparent); }
.wordmark { font-family: var(--serif); font-size: 22px; font-weight: 600; letter-spacing: -.015em; display: block; }
.byline { font-size: 13px; color: var(--muted); margin-top: -2px; display: block; }
.masthead .spacer { flex: 1; }

.icon-btn {
  width: 44px; height: 44px; flex: 0 0 44px;
  display: grid; place-items: center;
  border: 1px solid var(--line); border-radius: 12px;
  background: var(--card); color: var(--ink);
  cursor: pointer; font-size: 17px;
  transition: background .18s var(--ease), transform .18s var(--ease), opacity .15s var(--ease);
}
.icon-btn:active { transform: scale(.94); }
.icon-btn.fading { opacity: 0; }

/* sticky condensed header with live total */
.sticky {
  position: sticky; top: 0; z-index: 30;
  margin: 0 calc(var(--gutter) * -1);
  padding: 10px var(--gutter) 10px;
  padding-top: max(10px, env(safe-area-inset-top));
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: saturate(1.6) blur(12px);
  -webkit-backdrop-filter: saturate(1.6) blur(12px);
  border-bottom: 1px solid transparent;
  display: flex; align-items: baseline; gap: 10px;
  opacity: 0; transform: translateY(-6px); pointer-events: none;
  transition: opacity .2s var(--ease), transform .2s var(--ease), border-color .2s var(--ease);
}
.sticky.show { opacity: 1; transform: none; pointer-events: auto; border-bottom-color: var(--line); }
.sticky .lbl { font-size: 13px; color: var(--muted); }
.sticky .val { font-family: var(--serif); font-size: 20px; font-weight: 600; margin-left: auto; }

/* ---- segmented control ----------------------------------------------- */
.seg {
  position: relative; display: grid; gap: 2px;
  background: color-mix(in srgb, var(--ink) 6%, transparent);
  border-radius: 12px; padding: 3px; margin: 0 0 12px;
}
.seg.cols-2 { grid-template-columns: 1fr 1fr; }
.seg.cols-3 { grid-template-columns: repeat(3, 1fr); }
.seg .pill {
  position: absolute; top: 3px; bottom: 3px; left: 3px;
  border-radius: 9px; background: var(--card);
  box-shadow: 0 1px 3px rgba(0, 0, 0, .12);
  transition: transform .2s var(--ease), width .2s var(--ease);
  pointer-events: none;
}
.seg button {
  position: relative; z-index: 1;
  min-height: 44px; border: 0; background: transparent;
  font: inherit; font-size: 15px; font-weight: 500;
  color: var(--muted); cursor: pointer; border-radius: 9px;
  transition: color .18s var(--ease);
}
.seg button[aria-selected="true"] { color: var(--ink); font-weight: 600; }

/* ---- cards ----------------------------------------------------------- */
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 18px;
  margin-bottom: 12px;
}
.card > h2 { margin-bottom: 14px; }

/* ---- hero total ------------------------------------------------------ */
.hero { text-align: center; padding: 24px 18px 20px; }
.hero .cap { font-size: 13px; color: var(--muted); letter-spacing: .04em; text-transform: uppercase; }
.total {
  font-family: var(--serif); font-size: 44px; line-height: 1.1;
  font-weight: 600; letter-spacing: -.02em; margin: 6px 0 2px;
}
@media (min-width: 420px) { .total { font-size: 48px; } }
.total .per { font-size: 18px; color: var(--muted); font-weight: 400; }
.hero .sub { font-size: 13px; color: var(--muted); }

/* ---- donut ----------------------------------------------------------- */
.donut-wrap { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; justify-content: center; }
.donut { width: 148px; height: 148px; flex: 0 0 148px; transform: rotate(-90deg); }
.donut circle { fill: none; stroke-width: 14; stroke-linecap: butt; transition: stroke-dasharray .3s var(--ease), stroke-dashoffset .3s var(--ease); }
.donut-legend { flex: 1; min-width: 190px; display: grid; gap: 7px; }
.donut-legend .item { display: flex; align-items: center; gap: 9px; font-size: 15px; }
.donut-legend .dot { width: 10px; height: 10px; border-radius: 3px; flex: 0 0 10px; }
.donut-legend .name { color: var(--muted); }
.donut-legend .amt { margin-left: auto; font-weight: 600; }

/* ---- fields ---------------------------------------------------------- */
.field { padding: 14px 0; border-top: 1px solid var(--line); }
.field:first-of-type { border-top: 0; padding-top: 4px; }
.field-head { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; }
.field label { font-size: 15px; font-weight: 500; }
.field .hint { font-size: 13px; color: var(--muted); margin-top: 6px; display: block; }
.field .hint.warn { color: var(--warn); }

.entry { margin-left: auto; display: flex; align-items: center; gap: 4px; }
.entry .pre, .entry .post { color: var(--muted); font-size: 15px; }
input[type="text"], input[type="number"] {
  font: inherit; font-size: 16px;               /* >= 16px: stops iOS zoom */
  font-weight: 600;
  text-align: right;
  width: 7.5ch; min-height: 44px;
  padding: 0 8px;
  color: var(--ink); background: transparent;
  border: 1px solid transparent; border-radius: 10px;
  transition: border-color .18s var(--ease), background .18s var(--ease);
}
input[type="text"]:focus, input[type="number"]:focus {
  outline: none; border-color: var(--primary);
  background: color-mix(in srgb, var(--primary) 6%, transparent);
}
input.w-wide { width: 9.5ch; }
input.w-narrow { width: 6ch; }

/* steppers - flank a value, tap for one increment, press-and-hold to repeat */
.step {
  flex: 0 0 44px; width: 44px; height: 44px;
  display: grid; place-items: center;
  border: 1px solid var(--line); border-radius: 12px;
  background: var(--card); color: var(--ink);
  font: inherit; font-size: 19px; font-weight: 500; line-height: 1;
  cursor: pointer; user-select: none; -webkit-user-select: none;
  -webkit-tap-highlight-color: transparent;
  transition: background .18s var(--ease), transform .12s var(--ease), border-color .18s var(--ease);
}
.step:active {
  transform: scale(.93);
  background: color-mix(in srgb, var(--primary) 9%, var(--card));
  border-color: color-mix(in srgb, var(--primary) 35%, var(--line));
}
.step:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }
.entry .step + .pre { margin-left: 2px; }

/* reset chip - only shown once a tracked field has been overridden */
.reset-chip {
  min-height: 30px; padding: 0 11px; margin-left: 2px;
  border: 1px solid var(--line); border-radius: 999px;
  background: transparent; color: var(--muted);
  font: inherit; font-size: 12px; font-weight: 600; letter-spacing: .02em;
  cursor: pointer; -webkit-tap-highlight-color: transparent;
  transition: background .18s var(--ease), color .18s var(--ease), border-color .18s var(--ease), transform .12s var(--ease);
}
.reset-chip:active { transform: scale(.94); }
.reset-chip:hover { color: var(--ink); border-color: color-mix(in srgb, var(--ink) 22%, var(--line)); }
.reset-chip:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }

/* sliders */
input[type="range"] {
  -webkit-appearance: none; appearance: none;
  width: 100%; height: 28px; background: transparent; margin: 0; display: block;
}
input[type="range"]::-webkit-slider-runnable-track {
  height: 6px; border-radius: 3px;
  background: linear-gradient(var(--primary), var(--primary)) 0 / var(--fill, 0%) 100% no-repeat, var(--line);
}
input[type="range"]::-moz-range-track {
  height: 6px; border-radius: 3px;
  background: linear-gradient(var(--primary), var(--primary)) 0 / var(--fill, 0%) 100% no-repeat, var(--line);
}
input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none; appearance: none;
  width: 28px; height: 28px; margin-top: -11px;
  border-radius: 50%; background: var(--card);
  border: 1px solid var(--line);
  box-shadow: 0 1px 4px rgba(0, 0, 0, .2);
  cursor: grab;
}
input[type="range"]::-moz-range-thumb {
  width: 28px; height: 28px; border-radius: 50%;
  background: var(--card); border: 1px solid var(--line);
  box-shadow: 0 1px 4px rgba(0, 0, 0, .2); cursor: grab;
}
input[type="range"]:disabled { opacity: .4; }

/* chips */
.chips { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 10px; }
.chip {
  min-height: 36px; padding: 0 13px;
  border: 1px solid var(--line); border-radius: 999px;
  background: var(--card); color: var(--muted);
  font: inherit; font-size: 14px; font-weight: 500; cursor: pointer;
  transition: transform .15s var(--ease), background .18s var(--ease), color .18s var(--ease), border-color .18s var(--ease);
}
.chip:active { transform: scale(.95); }
.chip[aria-pressed="true"] { background: var(--primary); color: var(--primary-ink); border-color: var(--primary); }

/* toggles */
.toggle { display: flex; align-items: center; gap: 10px; min-height: 44px; cursor: pointer; }
.toggle input { position: absolute; opacity: 0; pointer-events: none; }
.toggle .track {
  width: 46px; height: 28px; flex: 0 0 46px; border-radius: 999px;
  background: var(--line); position: relative;
  transition: background .2s var(--ease);
}
.toggle .track::after {
  content: ""; position: absolute; top: 3px; left: 3px;
  width: 22px; height: 22px; border-radius: 50%; background: #fff;
  box-shadow: 0 1px 3px rgba(0, 0, 0, .25);
  transition: transform .2s var(--ease);
}
.toggle input:checked + .track { background: var(--primary); }
.toggle input:checked + .track::after { transform: translateX(18px); }
.toggle .tl { font-size: 15px; }

/* ---- breakdown rows -------------------------------------------------- */
.rows { display: grid; gap: 1px; background: var(--line); border-radius: 12px; overflow: hidden; }
.rows .r { display: flex; align-items: center; gap: 10px; background: var(--card); padding: 12px 14px; font-size: 15px; }
.rows .r .k { color: var(--muted); }
.rows .r .row-val { margin-left: auto; font-weight: 600; }
.rows .r.strong { font-weight: 600; }
.rows .r.strong .k { color: var(--ink); }

/* ---- amortization ---------------------------------------------------- */
.am-totals { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-bottom: 14px; }
.am-totals div { text-align: center; padding: 12px 6px; border: 1px solid var(--line); border-radius: 12px; }
.am-totals .k { font-size: 12px; color: var(--muted); display: block; }
.am-totals .v { font-family: var(--serif); font-size: 17px; font-weight: 600; }
.am-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; }
table.am { width: 100%; border-collapse: collapse; font-size: 14px; }
table.am th { text-align: right; font-size: 12px; color: var(--muted); font-weight: 500; padding: 8px 6px; border-bottom: 1px solid var(--line); }
table.am th:first-child, table.am td:first-child { text-align: left; }
table.am td { text-align: right; padding: 10px 6px; border-bottom: 1px solid var(--line); }
table.am tr.yr { cursor: pointer; }
table.am tr.yr:active { background: color-mix(in srgb, var(--primary) 5%, transparent); }
table.am tr.mo td { color: var(--muted); font-size: 13px; background: color-mix(in srgb, var(--ink) 3%, transparent); }
table.am .caret { color: var(--muted); font-size: 11px; margin-right: 5px; }

/* ---- pin / compare --------------------------------------------------- */
.pinbar { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.pin-chip {
  display: flex; align-items: center; gap: 8px; flex: 1; min-width: 0;
  min-height: 44px; padding: 8px 14px;
  border: 1px solid var(--line); border-radius: 12px; background: var(--card);
  font: inherit; text-align: left; cursor: pointer;
}
.pin-chip .pl { font-size: 13px; color: var(--muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.pin-chip .pv { margin-left: auto; font-weight: 600; white-space: nowrap; }
.pin-chip .delta { font-size: 13px; font-weight: 600; white-space: nowrap; }
.delta.down { color: var(--good); }
.delta.up { color: var(--warn); }

.btn {
  min-height: 44px; padding: 0 18px;
  border-radius: 12px; border: 1px solid var(--primary);
  background: var(--primary); color: var(--primary-ink);
  font: inherit; font-size: 15px; font-weight: 600; cursor: pointer;
  transition: transform .15s var(--ease), opacity .18s var(--ease);
}
.btn:active { transform: scale(.97); }
.btn.ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.btn.wide { width: 100%; }
.actions { display: flex; gap: 10px; }
.actions .btn { flex: 1 1 0; min-width: 0; }

/* ---- inventory ------------------------------------------------------- */
.pick { display: grid; gap: 10px; }
.select-wrap { position: relative; }
select {
  -webkit-appearance: none; appearance: none;
  font: inherit; font-size: 16px; font-weight: 500;
  width: 100%; min-height: 48px; padding: 0 40px 0 14px;
  color: var(--ink); background: var(--card);
  border: 1px solid var(--line); border-radius: 12px; cursor: pointer;
}
select:focus { outline: none; border-color: var(--primary); }
select:disabled { opacity: .5; }
.select-wrap::after {
  content: ""; position: absolute; right: 16px; top: 50%;
  width: 8px; height: 8px; margin-top: -6px;
  border-right: 2px solid var(--muted); border-bottom: 2px solid var(--muted);
  transform: rotate(45deg); pointer-events: none;
}
.homesite-label { font-family: var(--serif); font-size: 17px; font-weight: 600; margin-top: 4px; }
.freshness { font-size: 13px; color: var(--muted); margin-top: 6px; }
.freshness .dot { display: inline-block; width: 6px; height: 6px; border-radius: 50%; background: var(--good); margin-right: 6px; vertical-align: middle; }
.freshness .dot.stale { background: var(--accent); }

/* states */
.skel { display: grid; gap: 10px; }
.skel i {
  display: block; height: 48px; border-radius: 12px;
  background: linear-gradient(90deg, var(--line) 25%, color-mix(in srgb, var(--line) 45%, var(--card)) 50%, var(--line) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.4s linear infinite;
}
@keyframes shimmer { to { background-position: -200% 0; } }
.state { text-align: center; padding: 26px 16px; }
.state .em { font-size: 26px; }
.state h3 { font-size: 17px; margin: 8px 0 4px; }
.state p { font-size: 14px; color: var(--muted); margin: 0 0 14px; }

/* ---- footer ---------------------------------------------------------- */
footer { margin-top: 22px; padding-top: 16px; border-top: 1px solid var(--line); }
footer p { font-size: 13px; color: var(--muted); margin: 0 0 8px; line-height: 1.5; }
footer a { color: var(--primary); font-weight: 500; }
:root[data-theme="dark"] footer a, :root:not([data-theme="light"]) footer a { color: var(--accent); }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) footer a { color: var(--accent); } }

.toast {
  position: fixed; left: 50%; bottom: calc(24px + env(safe-area-inset-bottom));
  transform: translate(-50%, 12px);
  background: var(--primary); color: var(--primary-ink);
  padding: 11px 20px; border-radius: 999px; font-size: 14px; font-weight: 500;
  opacity: 0; pointer-events: none; z-index: 60;
  transition: opacity .2s var(--ease), transform .2s var(--ease);
}
.toast.show { opacity: 1; transform: translate(-50%, 0); }

[hidden] { display: none !important; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
}