@font-face{font-family:"Atkinson Hyperlegible Next";font-style:normal;font-weight:400;font-display:swap;src:url("/assets/fonts/atkinson-hyperlegible-next-latin-400-normal.woff2") format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;}
@font-face{font-family:"Atkinson Hyperlegible Next";font-style:normal;font-weight:700;font-display:swap;src:url("/assets/fonts/atkinson-hyperlegible-next-latin-700-normal.woff2") format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;}
@font-face{font-family:"Atkinson Hyperlegible Mono";font-style:normal;font-weight:400;font-display:swap;src:url("/assets/fonts/atkinson-hyperlegible-mono-latin-400-normal.woff2") format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;}
@font-face{font-family:"Atkinson Hyperlegible Mono";font-style:normal;font-weight:500;font-display:swap;src:url("/assets/fonts/atkinson-hyperlegible-mono-latin-500-normal.woff2") format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;}
@font-face{font-family:"Newsreader";font-style:normal;font-weight:500;font-display:swap;src:url("/assets/fonts/newsreader-latin-500-normal.woff2") format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;}
@font-face{font-family:"Newsreader";font-style:normal;font-weight:600;font-display:swap;src:url("/assets/fonts/newsreader-latin-600-normal.woff2") format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;}
/* Spain Rent Update — design system
   Palette: cool paper + signature-ink blue. Type: Newsreader (display, sparing),
   Atkinson Hyperlegible Next (body/UI), Atkinson Hyperlegible Mono (figures). */

:root {
  color-scheme: light;
  --paper: #f3f6f5;
  --sheet: #ffffff;
  --sheet-2: #f8faf9;
  --ink: #15201d;
  --ink-2: #47544f;
  --ink-3: #66736e;
  --rule: #d8dfdc;
  --rule-strong: #b7c2be;
  --accent: #2c3e9e;
  --accent-hover: #213181;
  --accent-ink: #ffffff;
  --accent-soft: #e9edfb;
  --ok: #1b7446;
  --ok-soft: #e3f2e9;
  --warn: #8a5300;
  --warn-soft: #fbf0db;
  --bad: #b3261e;
  --bad-soft: #fce9e7;
  --c-irav: #3a50c2;
  --c-ipc: #d2572a;
  --shadow: 0 1px 2px rgba(21, 32, 29, 0.06), 0 12px 32px -18px rgba(21, 32, 29, 0.28);
  --radius: 12px;
  --font-display: "Newsreader", Georgia, "Times New Roman", serif;
  --font-body: "Atkinson Hyperlegible Next", "Atkinson Hyperlegible", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-mono: "Atkinson Hyperlegible Mono", ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  --step--1: 0.875rem;
  --step-0: 1rem;
  --step-1: 1.1875rem;
  --step-2: 1.4375rem;
  --step-3: clamp(1.6rem, 1.3rem + 1.2vw, 2rem);
  --step-4: clamp(2.1rem, 1.6rem + 2.4vw, 3.1rem);
  --measure: 66ch;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --paper: #0e1312;
    --sheet: #161d1b;
    --sheet-2: #1b2320;
    --ink: #e8edeb;
    --ink-2: #b6c1bd;
    --ink-3: #93a09b;
    --rule: #28322f;
    --rule-strong: #3b4743;
    --accent: #a3afff;
    --accent-hover: #c0c8ff;
    --accent-ink: #0e1312;
    --accent-soft: #1d2446;
    --ok: #74d6a0;
    --ok-soft: #12291c;
    --warn: #f1b75f;
    --warn-soft: #2c2210;
    --bad: #ff9185;
    --bad-soft: #36171a;
    --c-irav: #6f82f2;
    --c-ipc: #d9632f;
    --shadow: 0 1px 2px rgba(0, 0, 0, 0.45), 0 14px 34px -18px rgba(0, 0, 0, 0.7);
  }
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --paper: #0e1312;
  --sheet: #161d1b;
  --sheet-2: #1b2320;
  --ink: #e8edeb;
  --ink-2: #b6c1bd;
  --ink-3: #93a09b;
  --rule: #28322f;
  --rule-strong: #3b4743;
  --accent: #a3afff;
  --accent-hover: #c0c8ff;
  --accent-ink: #0e1312;
  --accent-soft: #1d2446;
  --ok: #74d6a0;
  --ok-soft: #12291c;
  --warn: #f1b75f;
  --warn-soft: #2c2210;
  --bad: #ff9185;
  --bad-soft: #36171a;
  --c-irav: #6f82f2;
  --c-ipc: #d9632f;
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.45), 0 14px 34px -18px rgba(0, 0, 0, 0.7);
}

*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }
html { font-size: 106.25%; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: var(--step-0);
  line-height: 1.55;
  padding-inline: clamp(16px, 4vw, 40px);
  text-rendering: optimizeLegibility;
}
img, svg { max-width: 100%; }
a { color: var(--accent); text-underline-offset: 0.18em; text-decoration-thickness: 1px; }
a:hover { color: var(--accent-hover); text-decoration-thickness: 2px; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; border-radius: 4px; }
.frame { max-width: 1140px; margin-inline: auto; }
.skip { position: absolute; left: -999px; top: 8px; background: var(--sheet); padding: 8px 12px; border-radius: 8px; z-index: 50; }
.skip:focus { left: 16px; }

/* ---------- Header ---------- */
.site-head {
  display: flex; align-items: center; justify-content: space-between; gap: 12px 24px; flex-wrap: wrap;
  padding-block: 18px 14px; border-bottom: 1px solid var(--rule);
}
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--ink); text-decoration: none; }
.brand:hover { color: var(--ink); }
.brand-mark { width: 30px; height: 30px; flex: none; color: var(--accent); }
.brand-name { font-family: var(--font-display); font-weight: 600; font-size: 1.28rem; letter-spacing: -0.01em; }
.brand-name span { color: var(--ink-3); font-weight: 500; }
.site-nav { display: flex; flex-wrap: wrap; gap: 4px 18px; font-size: var(--step--1); }
.site-nav a { color: var(--ink-2); text-decoration: none; padding-block: 4px; border-bottom: 2px solid transparent; }
.site-nav a:hover, .site-nav a[aria-current="page"] { color: var(--ink); border-bottom-color: var(--accent); }

/* ---------- Intro ---------- */
.intro { padding-block: clamp(28px, 5vw, 56px) clamp(20px, 3vw, 32px); max-width: 60rem; }
.eyebrow {
  margin: 0 0 12px; font-size: var(--step--1); letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--ink-2); display: flex; flex-wrap: wrap; gap: 6px 14px; align-items: center;
}
.eyebrow .dot { width: 5px; height: 5px; border-radius: 50%; background: var(--rule-strong); }
h1, h2, h3 { text-wrap: balance; }
h1 {
  font-family: var(--font-display); font-weight: 600; font-size: var(--step-4);
  line-height: 1.04; letter-spacing: -0.02em; margin: 0 0 16px;
}
.lede { font-size: var(--step-1); color: var(--ink-2); margin: 0; max-width: 46rem; line-height: 1.5; }
.lede strong { color: var(--ink); font-weight: 700; }

/* ---------- Instrument (form + receipt) ---------- */
.instrument {
  display: grid; grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr); gap: clamp(20px, 3vw, 40px);
  align-items: start; padding-block: 8px 12px;
}
@media (max-width: 880px) { .instrument { grid-template-columns: minmax(0, 1fr); } }

.calc {
  background: var(--sheet); border: 1px solid var(--rule); border-radius: var(--radius);
  padding: clamp(18px, 3vw, 28px); display: grid; gap: 22px;
}
.calc-head { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.calc-head h2 { margin: 0; font-family: var(--font-body); font-size: var(--step-1); font-weight: 700; letter-spacing: 0; }
.example-flag {
  font-size: 0.8rem; color: var(--warn); background: var(--warn-soft); border-radius: 999px;
  padding: 3px 10px; letter-spacing: 0.02em;
}
.example-flag[hidden] { display: none !important; }
.field { display: grid; gap: 7px; }
.field > label, .field > .label, fieldset > legend {
  font-weight: 700; font-size: 0.97rem; color: var(--ink);
}
.hint { font-size: var(--step--1); color: var(--ink-2); margin: 0; line-height: 1.45; }
.hint em { font-style: italic; color: var(--ink); }
.row-2 { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 16px; }
@media (max-width: 520px) { .row-2 { grid-template-columns: minmax(0, 1fr); } }

input[type="date"], input[type="text"], input[type="number"], input[type="email"], select, textarea {
  font: inherit; font-size: 1rem; color: var(--ink); background: var(--sheet);
  border: 1px solid var(--rule-strong); border-radius: 9px; padding: 11px 12px; width: 100%;
  min-height: 46px; transition: border-color 0.15s, box-shadow 0.15s;
}
input[type="number"] { font-family: var(--font-mono); font-variant-numeric: tabular-nums; }
input:hover, select:hover { border-color: var(--ink-3); }
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.money { position: relative; }
.money input { padding-left: 30px; }
.money::before { content: "\20AC"; position: absolute; left: 12px; top: 50%; transform: translateY(-50%); color: var(--ink-2); font-family: var(--font-mono); pointer-events: none; }
.inline-btn {
  justify-self: start; font: inherit; font-size: var(--step--1); color: var(--accent); background: none; border: 0;
  padding: 2px 0; cursor: pointer; text-decoration: underline; text-underline-offset: 0.18em;
}
.inline-btn:hover { color: var(--accent-hover); }

fieldset { border: 0; padding: 0; margin: 0; display: grid; gap: 8px; min-width: 0; }
.segments { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; }
@media (max-width: 420px) { .segments { grid-template-columns: minmax(0, 1fr); } }
.segment { position: relative; }
.segment input { position: absolute; opacity: 0; inset: 0; margin: 0; cursor: pointer; }
.segment label {
  display: grid; gap: 1px; height: 100%; border: 1px solid var(--rule-strong); border-radius: 10px; padding: 10px 12px;
  cursor: pointer; transition: border-color 0.15s, background 0.15s;
}
.segment label b { font-weight: 700; font-size: 0.95rem; }
.segment label span { font-size: 0.82rem; color: var(--ink-2); line-height: 1.35; }
.segment input:checked + label { border-color: var(--accent); background: var(--accent-soft); box-shadow: inset 0 0 0 1px var(--accent); }
.segment input:focus-visible + label { outline: 3px solid var(--accent); outline-offset: 2px; }

details.more { border-top: 1px dashed var(--rule-strong); padding-top: 14px; }
details.more summary { cursor: pointer; font-weight: 700; font-size: 0.95rem; color: var(--ink-2); list-style: none; display: flex; align-items: center; gap: 8px; }
details.more summary::-webkit-details-marker { display: none; }
details.more summary::before { content: ""; width: 8px; height: 8px; border-right: 2px solid currentColor; border-bottom: 2px solid currentColor; transform: rotate(-45deg); transition: transform 0.15s; margin-right: 2px; }
details.more[open] summary::before { transform: rotate(45deg); }
details.more .more-body { display: grid; gap: 18px; padding-top: 16px; }
.privacy-note { display: flex; gap: 8px; align-items: flex-start; font-size: var(--step--1); color: var(--ink-2); margin: 0; }
.privacy-note svg { flex: none; width: 16px; height: 16px; margin-top: 3px; color: var(--ok); }

/* ---------- Receipt ---------- */
.receipt-col { position: sticky; top: calc(env(safe-area-inset-top, 0px) + 16px); display: grid; gap: 14px; }
@media (max-width: 880px) { .receipt-col { position: static; } }
.receipt {
  position: relative; background: var(--sheet); border-radius: 4px 4px var(--radius) var(--radius);
  box-shadow: var(--shadow); padding: 26px clamp(18px, 3vw, 26px) 22px; margin-top: 8px;
}
.receipt::before {
  content: ""; position: absolute; left: 0; right: 0; top: -7px; height: 14px;
  background: radial-gradient(circle at 7px 7px, var(--paper) 5.5px, transparent 6px) repeat-x;
  background-size: 18px 14px;
}
.receipt-top { display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; }
.receipt-kicker { margin: 0; font-family: var(--font-mono); font-size: 0.78rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-2); line-height: 1.5; }
.stamp {
  flex: none; font-family: var(--font-mono); font-size: 0.72rem; font-weight: 500; letter-spacing: 0.1em; text-transform: uppercase;
  border: 2px solid currentColor; border-radius: 6px; padding: 4px 8px; transform: rotate(-3deg); line-height: 1.2;
  color: var(--accent); max-width: 11rem; text-align: center;
}
.stamp[data-status="capped"] { color: var(--accent); }
.stamp[data-status="index"] { color: var(--ok); }
.stamp[data-status="none"] { color: var(--bad); }
.stamp[data-status="decrease"] { color: var(--ok); }
.stamp[data-status="error"] { color: var(--ink-3); }
.receipt-figure { display: grid; gap: 2px; margin: 18px 0 16px; }
.receipt-figure .fig-label { font-size: var(--step--1); color: var(--ink-2); font-weight: 700; }
.receipt-figure .fig {
  font-family: var(--font-body); font-weight: 700; font-size: clamp(2.3rem, 1.9rem + 2vw, 3.1rem);
  line-height: 1.02; letter-spacing: -0.025em; overflow-wrap: anywhere;
}
.receipt-figure .fig-sub { font-size: var(--step--1); color: var(--ink-2); }
.receipt-figure .fig-sub b { color: var(--ink); font-family: var(--font-mono); font-weight: 500; }
.lines { margin: 0; border-top: 1px dashed var(--rule-strong); }
.lines > div {
  display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 4px 16px; align-items: baseline;
  padding: 9px 0; border-bottom: 1px dashed var(--rule);
}
.lines dt { color: var(--ink-2); font-size: 0.93rem; }
.lines dd { margin: 0; text-align: right; font-family: var(--font-mono); font-variant-numeric: tabular-nums; font-size: 0.95rem; }
.lines dd small { display: block; color: var(--ink-3); font-size: 0.8rem; font-family: var(--font-body); }
.verdict { margin-top: 14px; border-radius: 10px; padding: 12px 14px; font-size: 0.95rem; line-height: 1.45; display: flex; gap: 10px; }
.verdict svg { flex: none; width: 18px; height: 18px; margin-top: 2px; }
.verdict.bad { background: var(--bad-soft); color: var(--ink); }
.verdict.bad svg { color: var(--bad); }
.verdict.ok { background: var(--ok-soft); }
.verdict.ok svg { color: var(--ok); }
.verdict b { font-family: var(--font-mono); font-weight: 500; }
.receipt-foot { margin: 14px 0 0; font-size: 0.85rem; color: var(--ink-2); line-height: 1.45; }
.alerts { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.alerts li { display: flex; gap: 9px; font-size: 0.9rem; line-height: 1.45; background: var(--warn-soft); border-radius: 10px; padding: 10px 12px; }
.alerts li.note { background: var(--sheet-2); color: var(--ink-2); }
.alerts svg { flex: none; width: 16px; height: 16px; margin-top: 3px; color: var(--warn); }
.alerts li.note svg { color: var(--ink-3); }
.errors { color: var(--bad); font-weight: 700; }
.jump-links { display: flex; flex-wrap: wrap; gap: 8px 16px; font-size: var(--step--1); }

/* ---------- Sections ---------- */
.section { padding-block: clamp(36px, 6vw, 64px) 8px; }
.section-head { display: grid; gap: 8px; margin-bottom: 22px; max-width: var(--measure); }
.section-head h2 { font-family: var(--font-display); font-weight: 600; font-size: var(--step-3); line-height: 1.12; letter-spacing: -0.015em; margin: 0; }
.section-head p { margin: 0; color: var(--ink-2); }
.prose { max-width: var(--measure); }
.prose p, .prose li { color: var(--ink); }
.prose h3 { font-size: var(--step-1); margin: 28px 0 8px; }

/* Decision trace — a real sequence */
.trace { list-style: none; margin: 0; padding: 0; counter-reset: step; display: grid; gap: 0; max-width: 52rem; }
.trace li { counter-increment: step; display: grid; grid-template-columns: 2.4rem minmax(0, 1fr); gap: 0 14px; padding-bottom: 18px; position: relative; }
.trace li::before {
  content: counter(step); width: 2rem; height: 2rem; border-radius: 50%; display: grid; place-items: center;
  font-family: var(--font-mono); font-size: 0.85rem; color: var(--ink-2); background: var(--sheet); border: 1px solid var(--rule-strong);
  grid-row: 1 / span 2; position: relative; z-index: 1;
}
.trace li:not(:last-child)::after { content: ""; position: absolute; left: calc(1rem - 0.5px); top: 2rem; bottom: 0; width: 1px; background: var(--rule-strong); }
.trace li.final::before { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }
.trace h3 { margin: 4px 0 2px; font-size: 1rem; font-weight: 700; }
.trace p { margin: 0; color: var(--ink-2); font-size: 0.95rem; }
.trace .cite { font-size: 0.85rem; }

/* Letters */
.letter-controls { display: grid; gap: 18px; background: var(--sheet); border: 1px solid var(--rule); border-radius: var(--radius); padding: clamp(18px, 3vw, 26px); margin-bottom: 18px; }
.role-toggle { display: inline-grid; grid-template-columns: repeat(2, auto); background: var(--sheet-2); border: 1px solid var(--rule-strong); border-radius: 999px; padding: 3px; gap: 2px; justify-self: start; max-width: 100%; }
.role-toggle input { position: absolute; opacity: 0; pointer-events: none; }
.role-toggle label { padding: 8px 16px; border-radius: 999px; cursor: pointer; font-weight: 700; font-size: 0.92rem; color: var(--ink-2); white-space: nowrap; }
.role-toggle input:checked + label { background: var(--accent); color: var(--accent-ink); }
.role-toggle input:focus-visible + label { outline: 3px solid var(--accent); outline-offset: 2px; }
@media (max-width: 460px) { .role-toggle label { padding: 8px 11px; font-size: 0.85rem; white-space: normal; text-align: center; } }
.fields-4 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px 16px; }
@media (max-width: 620px) { .fields-4 { grid-template-columns: minmax(0, 1fr); } }
.letters { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
@media (max-width: 980px) { .letters { grid-template-columns: minmax(0, 1fr); } }
.letter { background: var(--sheet); border: 1px solid var(--rule); border-radius: var(--radius); display: grid; grid-template-rows: auto 1fr; min-width: 0; }
.letter-bar { display: flex; justify-content: space-between; align-items: center; gap: 10px; padding: 12px 16px; border-bottom: 1px solid var(--rule); flex-wrap: wrap; }
.letter-bar h3 { margin: 0; font-size: 0.95rem; }
.letter-bar h3 small { font-weight: 400; color: var(--ink-2); margin-left: 6px; }
.letter-text {
  margin: 0; padding: 18px clamp(16px, 2.5vw, 24px) 22px; white-space: pre-wrap; overflow-wrap: anywhere;
  font-family: var(--font-body); font-size: 0.95rem; line-height: 1.6; color: var(--ink);
}
.btn {
  font: inherit; font-weight: 700; font-size: 0.9rem; border-radius: 9px; padding: 8px 14px; cursor: pointer;
  border: 1px solid var(--accent); background: var(--accent); color: var(--accent-ink); min-height: 38px;
}
.btn:hover { background: var(--accent-hover); border-color: var(--accent-hover); }
.btn.ghost { background: transparent; color: var(--accent); }
.btn.ghost:hover { background: var(--accent-soft); }
.btn-row { display: flex; gap: 8px; flex-wrap: wrap; }
.sending { margin-top: 18px; max-width: var(--measure); font-size: 0.95rem; color: var(--ink-2); }
.sending strong { color: var(--ink); }
.empty-letter { padding: 22px; color: var(--ink-2); }

/* Index chart + table */
.index-grid { display: grid; grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr); gap: 20px; align-items: start; }
@media (max-width: 980px) { .index-grid { grid-template-columns: minmax(0, 1fr); } }
.panel { background: var(--sheet); border: 1px solid var(--rule); border-radius: var(--radius); padding: 18px clamp(14px, 2.5vw, 22px); min-width: 0; }
.panel h3 { margin: 0 0 4px; font-size: 1rem; }
.panel .sub { margin: 0 0 12px; color: var(--ink-2); font-size: 0.9rem; }
.legend { display: flex; gap: 6px 18px; flex-wrap: wrap; font-size: 0.88rem; color: var(--ink-2); margin-bottom: 8px; }
.legend span { display: inline-flex; align-items: center; gap: 7px; }
.legend i { width: 18px; height: 2px; border-radius: 2px; display: inline-block; }
.legend i.band { height: 10px; border-radius: 2px; opacity: 0.18; }
.chart { position: relative; }
.chart svg { display: block; width: 100%; height: auto; overflow: visible; touch-action: pan-y; }
.chart .grid line { stroke: var(--rule); stroke-width: 1; }
.chart .axis text { fill: var(--ink-3); font-family: var(--font-mono); font-size: 11px; }
.chart .endlabel { fill: var(--ink); font-family: var(--font-mono); font-size: 12px; }
.chart .endlabel tspan.k { fill: var(--ink-2); font-family: var(--font-body); }
.chart .xhair { stroke: var(--ink-3); stroke-width: 1; }
.tip {
  position: absolute; pointer-events: none; background: var(--sheet); border: 1px solid var(--rule-strong); border-radius: 10px;
  box-shadow: var(--shadow); padding: 9px 11px; font-size: 0.84rem; min-width: 150px; z-index: 5;
}
.tip .t-m { color: var(--ink-2); margin-bottom: 4px; font-weight: 700; }
.tip .t-r { display: grid; grid-template-columns: 14px auto 1fr; gap: 6px; align-items: center; }
.tip .t-r i { width: 12px; height: 2px; border-radius: 2px; }
.tip .t-r b { font-family: var(--font-mono); font-weight: 500; color: var(--ink); }
.tip .t-r span { color: var(--ink-2); }
.table-wrap { overflow-x: auto; }
table.idx { width: 100%; border-collapse: collapse; font-size: 0.88rem; }
table.idx.collapsed tbody tr:nth-child(n+13) { display: none; }
.more-rows { margin-top: 10px; }
table.idx caption { text-align: left; color: var(--ink-2); font-size: 0.85rem; padding-bottom: 8px; }
table.idx th, table.idx td { padding: 7px 6px; border-bottom: 1px solid var(--rule); text-align: right; white-space: nowrap; }
table.idx th:first-child, table.idx td:first-child { text-align: left; }
table.idx thead th { font-size: 0.8rem; color: var(--ink-2); font-weight: 700; border-bottom-color: var(--rule-strong); }
table.idx td { font-family: var(--font-mono); font-variant-numeric: tabular-nums; }
table.idx td:first-child { font-family: var(--font-body); }
table.idx tr.used td { background: var(--accent-soft); }
table.idx tr.used td:first-child::after { content: "used"; margin-left: 8px; font-size: 0.72rem; padding: 1px 7px; border-radius: 999px; background: var(--accent); color: var(--accent-ink); font-family: var(--font-body); }

/* FAQ */
.faq { display: grid; gap: 10px; max-width: 52rem; }
.faq details { background: var(--sheet); border: 1px solid var(--rule); border-radius: 10px; padding: 0 16px; }
.faq summary { cursor: pointer; font-weight: 700; padding: 14px 0; list-style: none; display: flex; justify-content: space-between; gap: 12px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font-family: var(--font-mono); color: var(--ink-3); font-size: 1.2rem; line-height: 1; }
.faq details[open] summary::after { content: "\2212"; }
.faq details > div { padding: 0 0 16px; color: var(--ink-2); }
.faq details > div p { margin: 0 0 10px; }

/* Sources */
.sources { columns: 2 20rem; column-gap: 32px; padding: 0; margin: 0; list-style: none; font-size: 0.92rem; }
.sources li { break-inside: avoid; padding: 6px 0; border-bottom: 1px solid var(--rule); }
.sources li span { display: block; color: var(--ink-3); font-size: 0.84rem; }

/* Monetisation slots (website only; hidden until configured) */
.slot { margin: 24px auto; text-align: center; min-height: 0; }
.slot-label { font-size: 0.72rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-3); margin-bottom: 6px; }
.partners { display: grid; gap: 10px; }
.partner {
  display: grid; gap: 4px; background: var(--sheet); border: 1px solid var(--rule); border-radius: 10px; padding: 12px 14px;
  text-decoration: none; color: var(--ink);
}
.partner:hover { border-color: var(--accent); color: var(--ink); }
.partner b { font-size: 0.95rem; }
.partner span { font-size: 0.86rem; color: var(--ink-2); }
.partner em { font-style: normal; font-size: 0.72rem; color: var(--ink-3); letter-spacing: 0.04em; text-transform: uppercase; }
.reminder { background: var(--sheet); border: 1px solid var(--rule); border-radius: var(--radius); padding: 18px; display: grid; gap: 10px; }
.reminder form { display: flex; gap: 8px; flex-wrap: wrap; }
.reminder input[type="email"] { flex: 1 1 14rem; }

/* Footer */
.site-foot { margin-top: clamp(40px, 7vw, 80px); padding-block: 26px 40px; border-top: 1px solid var(--rule); color: var(--ink-2); font-size: 0.88rem; display: grid; gap: 12px; }
.site-foot nav { display: flex; flex-wrap: wrap; gap: 6px 18px; }
.site-foot a { color: var(--ink-2); }
.site-foot p { margin: 0; max-width: 70ch; }

/* Mobile dock */
.dock {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 20; display: none;
  background: var(--sheet); border-top: 1px solid var(--rule-strong); box-shadow: 0 -8px 24px -16px rgba(0, 0, 0, 0.35);
  padding: 10px clamp(16px, 4vw, 40px) calc(10px + env(safe-area-inset-bottom, 0px));
}
.dock a { display: flex; justify-content: space-between; align-items: center; gap: 12px; text-decoration: none; color: var(--ink); }
.dock .d-l { font-size: 0.82rem; color: var(--ink-2); }
.dock .d-v { font-weight: 700; font-size: 1.15rem; }
.dock .d-p { font-family: var(--font-mono); font-size: 0.9rem; color: var(--accent); }
@media (max-width: 880px) { .dock { display: block; } body { padding-bottom: 76px; } }

@media (prefers-reduced-motion: reduce) { * { transition: none !important; animation: none !important; } }
@media print {
  .site-head, .site-nav, .instrument, .dock, .section:not(.print-letters), .site-foot, .letter-controls, .btn-row, .intro { display: none !important; }
  body { background: #fff; color: #000; padding: 0; }
  .letters { grid-template-columns: 1fr; }
  .letter { border: 0; break-after: page; }
  .letter-bar, .print-letters .section-head, .sending, #letter-warn { display: none !important; }
}