/* Layout: colonna di input fissa a sinistra, risultati a destra; su telefono una colonna.
   Mondo visivo: il certificato obbligazionario inciso, inchiostro su carta, cedole a strappo. */
:root {
  --font-display: "Instrument Serif", "Iowan Old Style", Georgia, serif;
  --font-body: "IBM Plex Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;

  --radius: 6px;
  --step--1: 0.8125rem;
  --step-0: 0.9375rem;
  --step-1: 1.125rem;
  --step-2: 1.6rem;
  --step-3: 2.25rem;
  --step-4: clamp(2.2rem, 5vw, 3.4rem);
}

/* ---------------------------------------------------------- palette
   Quattro palette scelte dall'utente, ognuna con tema chiaro e scuro.
   [data-palette] è la palette scelta (assente = verde); [data-theme] forza
   chiaro o scuro; senza [data-theme] vale l'impostazione del sistema.
   Contrasti WCAG e colori del grafico verificati per tutte le combinazioni. */

/* Verde: inchiostro verde dei titoli del Tesoro (predefinita) */
:root {
  --brand: #0b7350;
  --brand-mark: #0b7350;
  --brand-on: #f4fbf7;
  --brand-ink: #12241c;
  --bg: #eef2ef;
  --surface: #fcfdfc;
  --ink: #12241c;
  --muted: #586a61;
  --line: #d3ddd7;
  --accent: #0b7350;
  --accent-ink: #f4fbf7;
  --accent-soft: #e1efe8;
  --series-1: #0b7350;
  --series-2: #cc6a1c;
  --danger: #a3261b;
  --danger-soft: #fbe9e6;
}
@media screen and (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --brand: #35a07a;
    --brand-ink: #e2ece6;
    --bg: #0d1512;
    --surface: #141f1a;
    --ink: #e2ece6;
    --muted: #93a69c;
    --line: #26362f;
    --accent: #35a07a;
    --accent-ink: #06130d;
    --accent-soft: #183127;
    --series-1: #35a07a;
    --series-2: #cf7a35;
    --danger: #f08a7e;
    --danger-soft: #3a1714;
    color-scheme: dark;
  }
}
@media screen {
:root[data-theme="dark"] {
  --brand: #35a07a;
  --brand-ink: #e2ece6;
  --bg: #0d1512;
  --surface: #141f1a;
  --ink: #e2ece6;
  --muted: #93a69c;
  --line: #26362f;
  --accent: #35a07a;
  --accent-ink: #06130d;
  --accent-soft: #183127;
  --series-1: #35a07a;
  --series-2: #cf7a35;
  --danger: #f08a7e;
  --danger-soft: #3a1714;
  color-scheme: dark;
}
}

/* Blu: inchiostro blu delle banconote */
:root[data-palette="blu"] {
  --bg: #edf0f5;
  --surface: #fcfdfe;
  --ink: #111b2c;
  --muted: #556278;
  --line: #d2d9e5;
  --accent: #1d4e94;
  --accent-ink: #f3f7fd;
  --accent-soft: #e0e8f4;
  --series-1: #2563c0;
  --series-2: #c8670f;
  --danger: #a3261b;
  --danger-soft: #fbe9e6;
}
@media screen and (prefers-color-scheme: dark) {
  :root[data-palette="blu"]:not([data-theme="light"]) {
    --bg: #0b1019;
    --surface: #121a27;
    --ink: #e0e7f2;
    --muted: #8f9fb7;
    --line: #233146;
    --accent: #6b9be0;
    --accent-ink: #071022;
    --accent-soft: #172a46;
    --series-1: #5b8fd9;
    --series-2: #cf7a35;
    --danger: #f08a7e;
    --danger-soft: #3a1714;
    color-scheme: dark;
  }
}
@media screen {
:root[data-palette="blu"][data-theme="dark"] {
  --bg: #0b1019;
  --surface: #121a27;
  --ink: #e0e7f2;
  --muted: #8f9fb7;
  --line: #233146;
  --accent: #6b9be0;
  --accent-ink: #071022;
  --accent-soft: #172a46;
  --series-1: #5b8fd9;
  --series-2: #cf7a35;
  --danger: #f08a7e;
  --danger-soft: #3a1714;
  color-scheme: dark;
}
}

/* Ambra: oro e carta invecchiata */
:root[data-palette="ambra"] {
  --bg: #efeeea;
  --surface: #fdfdfb;
  --ink: #221c12;
  --muted: #665d4f;
  --line: #dcd8cf;
  --accent: #8a5300;
  --accent-ink: #fff8ec;
  --accent-soft: #f3e9d8;
  --series-1: #a86500;
  --series-2: #2f6db5;
  --danger: #a3261b;
  --danger-soft: #fbe9e6;
}
@media screen and (prefers-color-scheme: dark) {
  :root[data-palette="ambra"]:not([data-theme="light"]) {
    --bg: #13110d;
    --surface: #1c1914;
    --ink: #eee8dd;
    --muted: #a89f90;
    --line: #353028;
    --accent: #e0a54a;
    --accent-ink: #1a1204;
    --accent-soft: #3a2c16;
    --series-1: #c08528;
    --series-2: #5b8fd9;
    --danger: #f08a7e;
    --danger-soft: #3a1714;
    color-scheme: dark;
  }
}
@media screen {
:root[data-palette="ambra"][data-theme="dark"] {
  --bg: #13110d;
  --surface: #1c1914;
  --ink: #eee8dd;
  --muted: #a89f90;
  --line: #353028;
  --accent: #e0a54a;
  --accent-ink: #1a1204;
  --accent-soft: #3a2c16;
  --series-1: #c08528;
  --series-2: #5b8fd9;
  --danger: #f08a7e;
  --danger-soft: #3a1714;
  color-scheme: dark;
}
}

/* Grafite: inchiostro nero, accenti acciaio */
:root[data-palette="grafite"] {
  --bg: #eeeff1;
  --surface: #fdfdfd;
  --ink: #15181d;
  --muted: #5b616b;
  --line: #d7dade;
  --accent: #2a3039;
  --accent-ink: #f6f7f9;
  --accent-soft: #e6e8ec;
  --series-1: #3f6fa8;
  --series-2: #cc6a1c;
  --danger: #a3261b;
  --danger-soft: #fbe9e6;
}
@media screen and (prefers-color-scheme: dark) {
  :root[data-palette="grafite"]:not([data-theme="light"]) {
    --bg: #0f1012;
    --surface: #17191c;
    --ink: #e6e8eb;
    --muted: #9aa1ab;
    --line: #2b2f35;
    --accent: #d4d9e0;
    --accent-ink: #121418;
    --accent-soft: #2a2e34;
    --series-1: #5b8fd9;
    --series-2: #cf7a35;
    --danger: #f08a7e;
    --danger-soft: #3a1714;
    color-scheme: dark;
  }
}
@media screen {
:root[data-palette="grafite"][data-theme="dark"] {
  --bg: #0f1012;
  --surface: #17191c;
  --ink: #e6e8eb;
  --muted: #9aa1ab;
  --line: #2b2f35;
  --accent: #d4d9e0;
  --accent-ink: #121418;
  --accent-soft: #2a2e34;
  --series-1: #5b8fd9;
  --series-2: #cf7a35;
  --danger: #f08a7e;
  --danger-soft: #3a1714;
  color-scheme: dark;
}
}
:root[data-theme="light"] { color-scheme: light; }

*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: var(--step-0);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

.page {
  max-width: 1240px;
  margin: 0 auto;
  padding-inline: clamp(16px, 4vw, 40px);
  padding-block: 32px 56px;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
}

.mono { font-family: var(--font-mono); font-size: 0.92em; }

/* ---------------------------------------------------------------- aspetto */

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  border: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}
.appearance {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  align-items: center;
  gap: 10px 24px;
  margin-bottom: -12px;
}
/* Marchio "Calcolo Obbligazioni": colori propri, uguali con ogni palette. */
.brand { display: inline-flex; align-items: center; gap: 10px; margin-right: auto; color: var(--brand-ink); }
.brand-mark { width: 34px; height: 34px; flex: none; }
.brand-name { font-family: var(--font-display); font-size: 1.35rem; line-height: 1; white-space: nowrap; }
.brand-name em { color: var(--brand); }
.appearance-group { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 10px; min-width: 0; }
.appearance-label {
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}
.appearance input { position: absolute; opacity: 0; pointer-events: none; }

.seg-mini {
  display: flex;
  flex-wrap: wrap;
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 2px;
  background: var(--surface);
}
.seg-mini label {
  padding: 3px 12px;
  border-radius: 999px;
  font-size: var(--step--1);
  color: var(--muted);
  cursor: pointer;
  min-height: 26px;
  display: flex;
  align-items: center;
}
.seg-mini input:checked + label { background: var(--accent); color: var(--accent-ink); }
.seg-mini input:focus-visible + label { outline: 2px solid var(--accent); outline-offset: 2px; }

.swatches { display: flex; flex-wrap: wrap; gap: 8px; }
/* Ogni campione mostra l'accento della palette in chiaro (metà alta) e in scuro (metà bassa). */
.swatches label {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  cursor: pointer;
  background: linear-gradient(135deg, var(--sw-light) 50%, var(--sw-dark) 50%);
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--ink) 18%, transparent);
}
.swatches input:checked + label { box-shadow: 0 0 0 2px var(--bg), 0 0 0 4px var(--ink); }
.swatches input:focus-visible + label { outline: 2px solid var(--accent); outline-offset: 5px; }
@media (max-width: 640px) {
  .appearance { justify-content: flex-start; margin-bottom: 0; }
}
/* Contrasto elevato (colori forzati dal sistema): i campioni restano visibili e la
   scelta attiva si vede anche senza i colori della pagina. */
@media (forced-colors: active) {
  .swatches label { forced-color-adjust: none; border: 1px solid CanvasText; }
  .swatches input:checked + label { box-shadow: none; outline: 3px solid Highlight; outline-offset: 2px; }
  .seg-mini input:checked + label,
  .segmented input:checked + label { forced-color-adjust: none; background: Highlight; color: HighlightText; }
  .wf-bar,
  .chart .curve,
  .chart .dur,
  .chart .point,
  .chart .hover-dot { forced-color-adjust: none; }
}

/* ---------------------------------------------------------------- testata */

.masthead {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 24px;
}
.masthead-text { display: grid; gap: 8px; max-width: 62ch; }
.rosette { width: clamp(150px, 18vw, 210px); aspect-ratio: 1; max-width: 100%; }
@media (max-width: 640px) {
  .masthead { grid-template-columns: minmax(0, 1fr); }
  .rosette { display: none; }
}
.eyebrow {
  margin: 0;
  font-size: var(--step--1);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}
h1 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: var(--step-4);
  line-height: 1.02;
  text-wrap: balance;
}
h1 em { color: var(--accent); }
.lede { margin: 0; color: var(--muted); }
/* Telefoni: testata compatta, la spiegazione completa resta in "Come calcola". */
@media (max-width: 520px) {
  .lede { display: none; }
  h1 { font-size: 2rem; }
  .page { padding-block-start: 20px; gap: 20px; }
}

h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: var(--step-2);
  line-height: 1.15;
  text-wrap: balance;
}
h3 { margin: 0 0 6px; font-size: var(--step-0); font-weight: 600; }

/* ---------------------------------------------------------------- layout */

.layout {
  display: grid;
  grid-template-columns: minmax(300px, 380px) minmax(0, 1fr);
  gap: 28px;
  align-items: start;
}
@media (max-width: 920px) {
  .layout { grid-template-columns: minmax(0, 1fr); }
}

.panel {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  min-width: 0;
}
.panel-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px 20px;
}
.hint { margin: 0; color: var(--muted); font-size: var(--step--1); }

.results { display: grid; gap: 20px; min-width: 0; }
#output { display: grid; gap: 20px; min-width: 0; }

/* ---------------------------------------------------------------- modulo */

.inputs { gap: 18px; }
@media (min-width: 921px) {
  .inputs { position: sticky; top: calc(env(safe-area-inset-top, 0px) + 16px); max-height: calc(100vh - 32px); overflow-y: auto; }
}
fieldset { border: 0; margin: 0; padding: 0; display: grid; gap: 12px; min-width: 0; }
legend {
  padding: 0 0 10px;
  font-size: var(--step--1);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}
.grid2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.span2 { grid-column: 1 / -1; }
@media (max-width: 360px) { .grid2 { grid-template-columns: minmax(0, 1fr); } }

.field { display: grid; gap: 4px; min-width: 0; }
.field label, .check { font-size: var(--step--1); color: var(--muted); }

input[type="text"], input[type="date"], select {
  width: 100%;
  min-width: 0;
  font: inherit;
  font-size: var(--step-0);
  color: var(--ink);
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 8px 10px;
  min-height: 40px;
}
input[type="text"] { font-family: var(--font-mono); font-variant-numeric: tabular-nums; }
input:focus-visible, select:focus-visible, summary:focus-visible, .segmented input:focus-visible + label {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}
input[aria-invalid="true"] { border-color: var(--danger); }

.affix { position: relative; }
.affix input { padding-right: 30px; }
.affix span {
  position: absolute;
  right: 10px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--muted);
  pointer-events: none;
}

/* Ricerca per ISIN */
.isin-box {
  display: grid;
  gap: 6px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line);
}
.isin-box > label { font-size: var(--step--1); font-weight: 600; color: var(--ink); }

/* Mercato: oggi solo l'Italia è attiva, gli altri sono annunciati. */
.market { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 10px; }
.market-label, .market-soon-label {
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}
.market-list { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 10px; }
.market-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 32px;
  padding: 4px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--bg);
  color: var(--ink);
  font: inherit;
  font-size: var(--step--1);
  cursor: pointer;
}
.market-chip[aria-checked="true"] { border-color: var(--accent); background: var(--accent-soft); font-weight: 600; }
.market-chip:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.market-soon { display: inline-flex; align-items: center; gap: 6px; color: var(--muted); font-size: var(--step--1); }
.market-soon .flag { opacity: 0.75; }

/* Guida in quattro passi */
.steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 4px 12px;
  font-size: 0.75rem;
  color: var(--muted);
}
.steps li { display: inline-flex; align-items: center; gap: 5px; }
.step-n {
  flex: none;
  display: inline-grid;
  place-items: center;
  width: 18px;
  height: 18px;
  border: 1px solid var(--line);
  border-radius: 50%;
  font-size: 0.6875rem;
  font-variant-numeric: tabular-nums;
}
.steps li.current { color: var(--ink); font-weight: 600; }
.steps li.current .step-n { border-color: var(--accent); color: var(--accent); }
.steps li.done .step-n { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
/* Contrasto elevato: completati pieni, quello corrente bordato più spesso. */
@media (forced-colors: active) {
  .steps li.done .step-n { forced-color-adjust: none; background: Highlight; border-color: Highlight; color: HighlightText; }
  .steps li.current .step-n { border-width: 2px; }
}
.isin-box[aria-busy="true"] .isin-row input { opacity: 0.7; }
.isin-row { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 8px; }
.isin-row input { letter-spacing: 0.06em; text-transform: uppercase; }
.isin-row input::placeholder { text-transform: none; letter-spacing: 0; }
.isin-row button {
  font: inherit;
  font-weight: 500;
  padding: 0 16px;
  min-height: 40px;
  border: 0;
  border-radius: 4px;
  background: var(--accent);
  color: var(--accent-ink);
  cursor: pointer;
}
.isin-row button:disabled { opacity: 0.6; cursor: progress; }
.isin-row button:focus-visible { outline: 2px solid var(--ink); outline-offset: 2px; }
.isin-status { margin: 0; font-size: var(--step--1); color: var(--muted); }
.isin-status:empty { display: none; }
.isin-status.ok { color: var(--accent); }
.isin-status.warn { color: var(--danger); }
.isin-status.info { color: var(--ink); }
.isin-source { margin: 0; font-size: 0.75rem; color: var(--muted); }
.isin-link {
  justify-self: start;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  min-height: 32px;
  padding: 4px 12px;
  border: 1px solid var(--accent);
  border-radius: 4px;
  font-size: var(--step--1);
  color: var(--accent);
  font-weight: 500;
  text-decoration: none;
}
.isin-link:hover { background: var(--accent-soft); color: var(--ink); }
.isin-link:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

.segmented {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border: 1px solid var(--line);
  border-radius: 4px;
  overflow: hidden;
}
.segmented input { position: absolute; opacity: 0; pointer-events: none; }
.segmented label {
  text-align: center;
  padding: 8px;
  cursor: pointer;
  color: var(--muted);
  background: var(--bg);
}
.segmented input:checked + label { background: var(--accent); color: var(--accent-ink); font-weight: 500; }

.check { display: flex; align-items: center; gap: 8px; cursor: pointer; }
.check input { width: 16px; height: 16px; accent-color: var(--accent); }

details { border-top: 1px solid var(--line); padding-top: 14px; }
details[open] summary { margin-bottom: 12px; }
summary { cursor: pointer; font-weight: 500; }

/* ---------------------------------------------------------------- risultati */

.error {
  background: var(--danger-soft);
  color: var(--danger);
  border-radius: var(--radius);
  padding: 12px 16px;
  font-weight: 500;
}

/* Risultato principale: il netto stimato grande a sinistra, gli altri quattro valori in 2×2. */
.headline {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) repeat(2, minmax(0, 1fr));
  gap: 12px;
}
@media (max-width: 1180px) {
  .headline { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .headline .figure.primary { grid-column: 1 / -1; grid-row: auto; }
}

.figure {
  display: grid;
  align-content: start;
  gap: 4px;
  padding: 16px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  min-width: 0;
}
.figure .label { font-size: var(--step--1); color: var(--muted); }
.figure .value {
  font-family: var(--font-display);
  font-size: var(--step-3);
  line-height: 1.05;
  font-variant-numeric: tabular-nums lining-nums;
}
.figure .sub { font-size: var(--step--1); color: var(--muted); font-variant-numeric: tabular-nums; }
.figure.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); grid-row: span 2; align-content: center; padding: 20px; }
.figure.primary .value { font-size: clamp(2.6rem, 6vw, 3.6rem); }
.figure.primary .label, .figure.primary .sub { color: var(--accent-ink); opacity: 0.85; }

.fact-groups {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px 32px;
}
.fact-group { display: grid; align-content: start; gap: 2px; min-width: 0; }
.fact-group h3 {
  margin: 0;
  font-size: var(--step--1);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}
.facts { margin: 0; display: grid; }
.facts div {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 7px 0;
  border-bottom: 1px solid var(--line);
  min-width: 0;
}
.facts dt { color: var(--muted); }
.facts dd { margin: 0; font-family: var(--font-mono); font-variant-numeric: tabular-nums; text-align: right; }

/* ------------------------------------------------------- dal lordo al netto */

.estimate-note {
  margin: 0;
  padding-top: 4px;
  font-size: var(--step--1);
  color: var(--muted);
  max-width: 75ch;
}
.estimate-note strong { color: var(--ink); font-weight: 600; }

/* Rialzo di pareggio */
.breakeven {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}
@media (max-width: 520px) { .breakeven { grid-template-columns: minmax(0, 1fr); } }
.be {
  display: grid;
  align-content: start;
  gap: 4px;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  min-width: 0;
}
.be-label { font-size: var(--step--1); color: var(--muted); }
.be-value { font-family: var(--font-display); font-size: var(--step-3); line-height: 1.05; font-variant-numeric: tabular-nums lining-nums; }
.be-sub { font-size: var(--step--1); color: var(--muted); }
.be-sub b { color: var(--ink); font-weight: 600; font-variant-numeric: tabular-nums; }

/* Variazioni di prezzo in evidenza sopra il grafico */
.impacts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}
.impact {
  display: grid;
  gap: 2px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  min-width: 0;
}
.impact-shift { font-size: var(--step--1); color: var(--muted); font-variant-numeric: tabular-nums; }
.impact-value { font-family: var(--font-display); font-size: var(--step-3); line-height: 1.05; font-variant-numeric: tabular-nums lining-nums; }
.impact-euro { font-size: var(--step--1); color: var(--muted); }
.impact-euro b { font-family: var(--font-mono); font-weight: 500; color: var(--ink); white-space: nowrap; font-variant-numeric: tabular-nums; }
.impact-value.neg, .impact-euro b.neg { color: var(--danger); }
@media (max-width: 520px) {
  .impacts { gap: 8px; }
  .impact { padding: 10px; }
  .impact-value { font-size: var(--step-2); }
}
/* Telefoni stretti: una scheda per riga, così frase e importo restano dentro. */
@media (max-width: 380px) {
  .impacts { grid-template-columns: minmax(0, 1fr); }
}

.waterfall { display: grid; gap: 6px; }
.wf-row {
  display: grid;
  grid-template-columns: minmax(8.5rem, 13rem) minmax(0, 1fr) 5.5rem;
  align-items: center;
  gap: 14px;
  min-height: 28px;
}
.wf-label { font-size: var(--step--1); color: var(--ink); min-width: 0; }
.wf-label small { display: block; color: var(--muted); font-size: 0.75rem; }
.wf-track { position: relative; height: 14px; }
.wf-track::before { content: ""; position: absolute; inset: 6px 0 auto; border-top: 1px solid var(--line); }
.wf-bar { position: absolute; top: 0; bottom: 0; border-radius: 3px; background: var(--series-1); }
.wf-row.cut .wf-bar { background: var(--series-2); }
.wf-row.total .wf-label { font-weight: 600; }
.wf-row.off .wf-label, .wf-row.off .wf-value { color: var(--muted); }
.wf-value { font-family: var(--font-mono); font-size: 0.875rem; text-align: right; font-variant-numeric: tabular-nums; }
.wf-row.total + .wf-row.total, .wf-row.cut + .wf-row.total { border-top: 1px solid var(--line); padding-top: 6px; }
@media (max-width: 520px) {
  .wf-row { grid-template-columns: minmax(0, 1fr) 5rem; gap: 4px 12px; }
  .wf-track { grid-column: 1 / -1; grid-row: 2; }
}

/* ---------------------------------------------------------------- grafico */

.legend { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 4px 16px; font-size: var(--step--1); color: var(--muted); }
.legend li { display: flex; align-items: center; gap: 6px; }
.key { display: inline-block; width: 18px; height: 0; border-top: 2px solid var(--series-1); }
.key-dur { border-top: 2px dashed var(--series-2); }

.chart { position: relative; width: 100%; min-width: 0; }
.chart svg { display: block; width: 100%; height: auto; overflow: visible; }
.chart .grid line { stroke: var(--line); stroke-width: 1; }
.chart .axis text { fill: var(--muted); font-family: var(--font-mono); font-size: 11px; }
.chart .axis-title { fill: var(--muted); font-family: var(--font-body); font-size: 11px; }
.chart .curve { fill: none; stroke: var(--series-1); stroke-width: 2; stroke-linejoin: round; stroke-linecap: round; }
.chart .area { fill: var(--series-1); opacity: 0.08; }
.chart .dur { fill: none; stroke: var(--series-2); stroke-width: 2; stroke-dasharray: 6 5; stroke-linecap: round; }
.chart .point { fill: var(--series-1); stroke: var(--surface); stroke-width: 2; }
.chart .point-label { fill: var(--ink); font-family: var(--font-mono); font-size: 11px; }
.chart .cross { stroke: var(--muted); stroke-width: 1; }
.chart .hover-dot { fill: var(--series-1); stroke: var(--surface); stroke-width: 2; }
.chart .hover-dot.dur-dot { fill: var(--series-2); }
.tooltip {
  position: absolute;
  pointer-events: none;
  background: var(--ink);
  color: var(--bg);
  border-radius: 4px;
  padding: 8px 10px;
  font-size: var(--step--1);
  font-variant-numeric: tabular-nums;
  line-height: 1.45;
  white-space: nowrap;
  transform: translate(-50%, calc(-100% - 12px));
}
.tooltip b { font-weight: 600; }

/* ---------------------------------------------------------------- tabelle */

.scroll { overflow-x: auto; min-width: 0; position: relative; }
.scroll.tall { max-height: 460px; overflow-y: auto; }

table.data { width: 100%; border-collapse: collapse; font-variant-numeric: tabular-nums; }
table.data caption { text-align: left; font-size: var(--step--1); color: var(--muted); padding-bottom: 6px; }
table.data th, table.data td { padding: 7px 10px; text-align: right; white-space: nowrap; border-bottom: 1px solid var(--line); }
table.data th { font-size: var(--step--1); font-weight: 500; color: var(--muted); }
table.data th:first-child, table.data td:first-child { text-align: left; }
table.data td { font-family: var(--font-mono); font-size: 0.875rem; }
table.data tr.now td { background: var(--accent-soft); }
.scroll.tall thead th { position: sticky; top: 0; background: var(--surface); z-index: 1; }
table.data tfoot td { font-weight: 500; border-bottom: 0; border-top: 2px solid var(--ink); }

/* Cedole a strappo: la matrice con il numero è separata da una perforazione. */
table.coupons td:first-child {
  font-family: var(--font-display);
  font-size: var(--step-1);
  color: var(--accent);
  border-right: 2px dotted var(--line);
  padding-right: 14px;
}
table.coupons tr.redeem td:first-child { font-style: italic; }
.neg { color: var(--danger); }

/* ------------------------------------------- riepilogo fisso (telefono) */

.dock {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 16px calc(10px + env(safe-area-inset-bottom, 0px));
  background: var(--surface);
  border-top: 1px solid var(--line);
  box-shadow: 0 -6px 18px rgb(0 0 0 / 0.08);
}
.dock dl { margin: 0; display: flex; gap: 18px; min-width: 0; }
.dock dl div { display: grid; min-width: 0; }
.dock dt { font-size: 0.75rem; color: var(--muted); }
.dock dd { margin: 0; font-family: var(--font-mono); font-size: var(--step-0); font-weight: 500; font-variant-numeric: tabular-nums; }
.dock-link {
  flex: none;
  padding: 8px 14px;
  border-radius: 4px;
  background: var(--accent);
  color: var(--accent-ink);
  font-weight: 500;
  text-decoration: none;
}
.dock-link:focus-visible { outline: 2px solid var(--ink); outline-offset: 2px; }
@media (min-width: 921px) { .dock { display: none !important; } }
@media (max-width: 920px) {
  .page { padding-block-end: 96px; }
  /* Il fuoco da tastiera non finisce sotto la barra fissa. */
  html { scroll-padding-bottom: calc(84px + env(safe-area-inset-bottom, 0px)); }
}

/* ------------------------------------------------- confronto e portafoglio */

.btn {
  font: inherit;
  font-weight: 500;
  padding: 0 16px;
  min-height: 40px;
  border: 1px solid var(--accent);
  border-radius: 4px;
  background: var(--accent);
  color: var(--accent-ink);
  cursor: pointer;
}
.btn-quiet { background: transparent; color: var(--accent); }
.btn:focus-visible { outline: 2px solid var(--ink); outline-offset: 2px; }
.btn:disabled { opacity: 0.6; cursor: progress; }
.btn-small { min-height: 36px; padding: 0 12px; font-size: var(--step--1); }

/* Aiuti sotto i campi, ripristino, condivisione */
.field-help { margin: 2px 0 0; font-size: 0.75rem; color: var(--muted); }
.field-note { color: var(--ink); font-weight: 500; }
.preset-row { display: grid; grid-template-columns: minmax(0, 1fr); gap: 8px; }
.preset-row .btn { justify-self: start; min-height: 36px; font-size: var(--step--1); }
.share-row { display: flex; flex-wrap: wrap; align-items: center; justify-content: flex-end; gap: 8px 12px; }
.share-row .isin-status { flex: 1 1 16rem; }
.share-row .isin-status:empty { display: none; }
.share-url { width: 100%; }


.portfolio { gap: 16px; }
.pf-intro { display: grid; gap: 4px; max-width: 70ch; }
.pf-actions { display: flex; flex-wrap: wrap; gap: 8px; }
.pf-empty { padding: 20px; border: 1px dashed var(--line); border-radius: var(--radius); color: var(--muted); }
.pf-empty p { margin: 0; }
.pf-empty strong { color: var(--ink); }
.pf-body { display: grid; grid-template-columns: minmax(0, 1fr); gap: 16px; min-width: 0; }
.pf-body h3 { font-family: var(--font-display); font-weight: 400; font-size: var(--step-1); margin: 8px 0 0; }

.pf-kpis {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}
@media (max-width: 1000px) { .pf-kpis { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 380px) { .pf-kpis { grid-template-columns: minmax(0, 1fr); } }
.pf-kpi {
  display: grid;
  align-content: start;
  gap: 2px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  min-width: 0;
}
.pf-kpi .label { font-size: var(--step--1); color: var(--muted); }
.pf-kpi .value { font-family: var(--font-display); font-size: var(--step-2); line-height: 1.1; font-variant-numeric: tabular-nums lining-nums; }
.pf-kpi .sub { font-size: 0.75rem; color: var(--muted); }
.pf-kpi.rates .value { display: grid; gap: 2px; font-size: var(--step-1); }
.pf-kpi .rate-line b { font-weight: 400; white-space: nowrap; }
.pf-kpi b.neg { color: var(--danger); }
.pf-kpi.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.pf-kpi.primary .label, .pf-kpi.primary .sub { color: var(--accent-ink); opacity: 0.85; }
.pf-summary-title { margin-top: 0 !important; }

.pf-table td:first-child { white-space: normal; min-width: 180px; }
.pf-table .pf-name { display: block; font-family: var(--font-body); font-weight: 500; }
.pf-table .pf-meta { display: block; font-size: 0.75rem; color: var(--muted); }
.pf-table input {
  width: 7.5em;
  min-height: 32px;
  padding: 4px 8px;
  text-align: right;
  font-size: 0.875rem;
}
.pf-table .pf-row-actions { display: flex; gap: 6px; justify-content: flex-end; }
.chip {
  display: inline-block;
  margin-left: 6px;
  padding: 0 6px;
  border-radius: 999px;
  border: 1px solid var(--line);
  font-size: 0.6875rem;
  color: var(--muted);
  vertical-align: middle;
}
.pf-error td { color: var(--danger); }

.pf-scen-head { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 8px 16px; }
.seg-small { grid-template-columns: auto auto; }
/* Fuoco visibile anche dentro i selettori con angoli ritagliati. */
.segmented input:focus-visible + label { outline: 2px solid var(--ink); outline-offset: -4px; }
.segmented input:checked:focus-visible + label { outline-color: var(--accent-ink); }
.pf-none { margin: 0; padding: 14px 16px; border: 1px dashed var(--line); border-radius: var(--radius); color: var(--muted); }
.seg-small label { padding: 6px 12px; font-size: var(--step--1); }
.pf-custom { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 14px; font-size: var(--step--1); color: var(--muted); }
.pf-custom label { display: flex; align-items: center; gap: 6px; }
.pf-custom input { width: 5em; min-height: 32px; padding: 4px 8px; text-align: right; }
.pf-scen td:first-child { font-family: var(--font-body); font-size: var(--step--1); }
.pf-scen td small { display: block; font-size: 0.6875rem; color: var(--muted); }
.pf-scen td.best { background: var(--accent-soft); font-weight: 600; }
.pf-scen tr.total td { font-weight: 600; border-top: 2px solid var(--ink); }

/* ---------------------------------------------------------------- metodo */

.method .method-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px 32px;
}
.method p { margin: 0; color: var(--muted); max-width: 65ch; }
.method p.disclaimer { font-size: var(--step--1); border-top: 1px solid var(--line); padding-top: 12px; }

@media (prefers-reduced-motion: no-preference) {
  .figure .value { transition: color 0.2s; }
}

/* Telefoni: bersagli touch più grandi */
@media (pointer: coarse) {
  .btn, .btn-small, .preset-row .btn, .isin-row button, .market-chip, .isin-link,
  .pf-table input, .pf-custom input, .seg-small label,
  input[type="text"], input[type="date"], select, .check { min-height: 44px; }
  .segmented label, .dock-link { display: grid; place-items: center; min-height: 44px; padding-block: 0; }
  summary { padding-block: 11px; }
  details { padding-top: 4px; }
  .seg-mini label { min-height: 36px; }
  /* 16 px evita lo zoom automatico di Safari su iPhone quando si tocca un campo. */
  input[type="text"], input[type="date"], select, .pf-table input, .pf-custom input { font-size: 16px; }
}

/* ------------------------------------------------------------- stampa / PDF */

.print-summary, .print-footer { display: none; }
@media print {
  @page { size: A4; margin: 14mm 12mm; }
  :root { color-scheme: light; }
  html, body { background: #fff !important; }
  body { font-size: 10.5pt; -webkit-print-color-adjust: exact; print-color-adjust: exact; }
  .page { max-width: none; padding: 0 !important; }
  .appearance, .masthead, #bond-form, .share-row, #error, .dock, #portafoglio, .method,
  .chart .hover-dot, .chart .tip { display: none !important; }
  .layout { display: block; }
  .results, #output { display: block; opacity: 1 !important; }
  #output > * + * { margin-top: 12px; }
  .panel { border-color: #ccc; break-inside: avoid; padding: 12px 14px; }
  .panel:has(#cashflows), .panel:has(#scenarios) { break-inside: auto; }
  .panel:has(#cashflows) { break-before: page; }
  .headline { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px; break-inside: avoid; }
  .headline .figure.primary { grid-column: auto; grid-row: span 2; }
  .figure { padding: 10px 12px; }
  .figure .value { font-size: 20pt; }
  .figure.primary .value { font-size: 28pt; }
  caption { break-after: avoid; }
  .impacts { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .scroll, .scroll.tall { overflow: visible !important; max-height: none !important; }
  .scroll.tall thead th { position: static; }
  table.data { font-size: 9pt; }
  table.data tr { break-inside: avoid; }
  thead { display: table-header-group; }
  h2 { break-after: avoid; }
  .chart { max-width: 15cm; margin-inline: auto; }

  .print-summary { display: grid; gap: 4px; margin-bottom: 12px; padding-bottom: 10px; border-bottom: 2px solid var(--accent); break-inside: avoid; }
  .print-brand { margin: 0 0 4px; }
  .print-brand .brand-mark { width: 22px; height: 22px; }
  .print-brand .brand-name { font-size: 12pt; }
  .print-title { margin: 0; font-family: var(--font-display); font-weight: 400; font-size: 20pt; line-height: 1.15; }
  .print-meta { margin: 0; color: var(--muted); }
  .print-inputs { margin: 6px 0 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 4px 16px; }
  .print-inputs div { display: grid; }
  .print-inputs dt { font-size: 8.5pt; color: var(--muted); }
  .print-inputs dd { margin: 0; font-family: var(--font-mono); font-variant-numeric: tabular-nums; }
  .print-footer { display: block; margin-top: 14px; padding-top: 8px; border-top: 1px solid #ccc; font-size: 8.5pt; color: var(--muted); break-inside: avoid; }
  .print-footer a { color: inherit; word-break: break-all; }
}