/*
 * Linguaggio visivo: la calma e i grigi di Apple, il display a punti e il rosso di Nothing.
 * L'unico elemento audace è il display nero con la matrice di punti; tutto il resto tace.
 * Lo stile parte dal telefono: i blocchi @media in fondo aggiungono spazio dove c'è.
 */

@font-face {
  font-family: "Doto";
  src: url("vendor/fonts/doto-latin-700-normal.woff2") format("woff2");
  font-weight: 700;
  font-display: swap;
}
@font-face {
  font-family: "Doto";
  src: url("vendor/fonts/doto-latin-900-normal.woff2") format("woff2");
  font-weight: 900;
  font-display: swap;
}

:root {
  --bg: #f5f5f7;
  --surface: #ffffff;
  --surface-2: #e8e8ed;
  --seg-on: #ffffff;
  --ink: #1d1d1f;
  --ink-2: #6e6e73;
  --line: rgba(0, 0, 0, .1);
  --press: #1d1d1f;
  --press-ink: #ffffff;
  --red: #d71921;
  --warn: #8a5a00;
  --warn-bg: #fff4d6;
  --gutter: 16px;
  --sans: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --dots: "Doto", var(--sans);
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #000000;
    --surface: #1c1c1e;
    --surface-2: #2c2c2e;
    --seg-on: #636366;
    --ink: #f5f5f7;
    --ink-2: #98989d;
    --line: rgba(255, 255, 255, .14);
    --press: #f5f5f7;
    --press-ink: #000000;
    --red: #ff453a;
    --warn: #ffd60a;
    --warn-bg: #332b00;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 400 15px/1.45 var(--sans);
  -webkit-font-smoothing: antialiased;
  -webkit-tap-highlight-color: transparent;
  overflow-wrap: anywhere;
}

button, input { font: inherit; color: inherit; }
button { touch-action: manipulation; }

[hidden] { display: none !important; }

.sr-only {
  position: absolute; width: 1px; height: 1px; overflow: hidden;
  clip-path: inset(50%); white-space: nowrap;
}

:focus-visible { outline: 2px solid var(--red); outline-offset: 2px; border-radius: 6px; }

/* Il piede resta in fondo allo schermo anche quando la pagina è quasi vuota. */
.page {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  min-height: 100dvh;
  max-width: 1080px;
  margin: 0 auto;
  padding: max(20px, env(safe-area-inset-top)) max(var(--gutter), env(safe-area-inset-right)) max(14px, env(safe-area-inset-bottom)) max(var(--gutter), env(safe-area-inset-left));
}

main { flex: 0 0 auto; min-width: 0; }

/* Testata */

.top {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 4px 24px;
  margin-bottom: 20px;
}

.brand-wrap { margin: 0; }

.brand {
  appearance: none;
  border: 0;
  background: none;
  padding: 0;
  cursor: pointer;
  color: var(--ink);
  font: 900 30px/1.1 var(--dots);
  letter-spacing: -.01em;
  text-align: left;
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.brand-icon { flex: none; width: 44px; height: 44px; box-shadow: 0 0 0 .5px var(--line); border-radius: 10px; }

.brand:active { color: var(--red); }

.privacy {
  display: flex;
  align-items: center;
  gap: 6px;
  margin: 0;
  color: var(--ink-2);
  font-size: 13px;
}
.privacy svg { flex: none; }

.banner {
  margin: 0 0 20px;
  padding: 12px 16px;
  border-radius: 12px;
  background: var(--warn-bg);
  color: var(--warn);
}

.banner code { font: 13px ui-monospace, Menlo, Consolas, monospace; }

/* Controlli segmentati */

.seg {
  display: inline-flex;
  padding: 2px;
  border-radius: 10px;
  background: var(--surface-2);
}

.seg button {
  appearance: none;
  border: 0;
  background: none;
  padding: 7px 14px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 13px;
  font-weight: 500;
  color: var(--ink);
}

.seg button[aria-selected="true"],
.seg button[aria-checked="true"],
.seg button[aria-pressed="true"] {
  background: var(--seg-on);
  box-shadow: 0 1px 3px rgba(0, 0, 0, .14), 0 0 0 .5px rgba(0, 0, 0, .05);
}

/* Impostazioni */

.settings { margin-bottom: 18px; }

/* Due colonne sul telefono: cinque etichette lunghe non stanno su una riga. */
.seg-profile {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  width: 100%;
}
.seg-profile button { padding-inline: 6px; }
.seg-profile button:last-child:nth-child(odd) { grid-column: 1 / -1; }

.profile-hint { margin: 8px 0 0; color: var(--ink-2); font-size: 13px; max-width: 68ch; }

.advanced { margin-top: 8px; }

.advanced summary, .limits summary {
  cursor: pointer;
  color: var(--ink-2);
  font-size: 13px;
  width: fit-content;
  padding: 4px 0;
}

.advanced-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
  margin-top: 10px;
  padding: 16px;
  border-radius: 14px;
  background: var(--surface);
}

.slider { display: grid; gap: 6px; font-size: 13px; }
.slider > span { display: flex; justify-content: space-between; gap: 12px; }
.slider output { flex: none; font-variant-numeric: tabular-nums; color: var(--ink-2); }
.slider input { width: 100%; accent-color: var(--ink); }
.slider.is-off { opacity: .4; }

.pick-field { display: grid; gap: 6px; font-size: 13px; }
.pick-field select { width: 100%; padding: 8px 10px; border: 0; border-radius: 10px; background: var(--surface-2); color: var(--ink); font: inherit; }

.check { display: flex; gap: 10px; align-items: flex-start; font-size: 13px; color: var(--ink-2); cursor: pointer; }
.check b { display: block; color: var(--ink); font-weight: 500; }
.check input { margin: 2px 0 0; width: 18px; height: 18px; flex: none; accent-color: var(--red); }

/* Zona dei file */

.drop {
  display: flex;
  border-radius: 20px;
  background-color: var(--surface);
  background-image: radial-gradient(circle, var(--line) 1.4px, transparent 1.6px);
  background-size: 14px 14px;
  background-position: center;
  transition: background-color .15s;
}

.drop-large {
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 22px;
  min-height: 260px;
  padding: 28px 20px;
  text-align: center;
}

.drop-small {
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px 20px;
  padding: 14px;
  margin-bottom: 14px;
}

.drop-title { margin: 0; font-weight: 900; font-family: var(--dots); background: var(--surface); box-shadow: 0 0 0 8px var(--surface); border-radius: 4px; }
.drop-large .drop-title { font-size: clamp(28px, 6vw, 54px); line-height: 1.05; }
.drop-small .drop-title { font-size: 22px; line-height: 1.1; }

/* Sul touch non si trascina: il titolo dice la cosa giusta e il pulsante occupa tutta la riga. */
.for-touch { display: none; }
@media (hover: none) and (pointer: coarse) {
  .for-mouse { display: none; }
  .for-touch { display: inline; }
  .drop-small .drop-title { display: none; }
  .drop-small .btn { flex: 1; }
}

body.dragging .drop {
  background-color: var(--surface-2);
  outline: 2px solid var(--red);
  outline-offset: -2px;
}

/* Pulsanti */

.btn {
  appearance: none;
  border: 0;
  border-radius: 980px;
  padding: 9px 20px;
  background: var(--surface-2);
  color: var(--ink);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
}

.btn:disabled { opacity: .4; cursor: default; }
.btn-primary { background: var(--press); color: var(--press-ink); }
.btn-quiet { background: none; color: var(--ink-2); padding-inline: 10px; }
.btn-danger { color: var(--red); }
.btn-danger-solid { background: var(--red); color: #fff; }

@media (hover: hover) {
  .btn:hover:not(:disabled) { filter: brightness(.95); }
  .btn-primary:hover:not(:disabled) { filter: none; opacity: .86; }
  .btn-quiet:hover:not(:disabled) { color: var(--ink); filter: none; }
  .brand:hover { color: var(--red); }
}

/*
 * Ordine dei blocchi: sul telefono la barra delle azioni viene per ultima, così resta
 * agganciata al fondo dello schermo mentre si scorre la lista.
 */
.work { display: flex; flex-direction: column; }
.display { order: 1; }
.notes { order: 2; }
.rows { order: 3; }
.list-foot { order: 4; }
#inline-compare { order: 5; }
.zip-status { order: 6; }
.actions { order: 7; }

.actions {
  position: sticky;
  bottom: 0;
  z-index: 5;
  display: flex;
  gap: 8px;
  margin: 8px calc(var(--gutter) * -1) 0;
  padding: 10px var(--gutter) max(10px, env(safe-area-inset-bottom));
  background: var(--bg);
  border-top: 1px solid var(--line);
}
.actions .btn { flex: 1 1 40%; min-width: 0; }
.actions { flex-wrap: wrap; }

.list-foot { display: flex; justify-content: flex-end; margin: 4px 0 10px; }

/* Display a punti */

.display {
  background: #000;
  color: #fff;
  border-radius: 20px;
  padding: 16px 16px 18px;
  margin-bottom: 12px;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .1);
}

.display-top {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 8px 32px;
  margin-bottom: 14px;
}

.display-main {
  font: 900 clamp(52px, 11vw, 92px)/.9 var(--dots);
  font-variant-numeric: tabular-nums;
  letter-spacing: -.01em;
}

.display-main.is-saving { color: #ff3b30; }

.display-sizes { display: flex; gap: 20px; margin: 0; }
.display-sizes div { min-width: 0; }
.display-sizes dt { font-size: 12px; color: #a1a1a6; }
.display-sizes dd { margin: 2px 0 0; font: 700 20px/1.1 var(--dots); font-variant-numeric: tabular-nums; white-space: nowrap; }

.display canvas { display: block; width: 100%; height: 44px; }

.display-line { margin: 12px 0 0; min-height: 20px; color: #a1a1a6; font-size: 13px; }

.file-name { margin: 0; font-size: 19px; font-weight: 600; }

/* Note */

.notes { list-style: none; margin: 0 0 12px; padding: 0; display: grid; gap: 6px; }
.notes:empty { display: none; }
.notes li { font-size: 14px; color: var(--ink-2); }
.notes li.warn {
  padding: 10px 14px;
  border-radius: 12px;
  background: var(--warn-bg);
  color: var(--warn);
}
.notes li.warn button {
  appearance: none; border: 0; background: none; padding: 4px 0; margin-left: 6px;
  color: inherit; font-weight: 600; text-decoration: underline; cursor: pointer;
}
.notes li.err { color: var(--red); font-weight: 500; }

/* Confronto */

.compare { margin-top: 8px; }

.compare-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px 16px;
  margin-bottom: 10px;
}

.pager { display: flex; align-items: center; gap: 6px; }
.page-label { min-width: 112px; text-align: center; font-size: 13px; font-variant-numeric: tabular-nums; color: var(--ink-2); }

.icon-btn {
  appearance: none; border: 0; width: 36px; height: 36px; border-radius: 50%;
  background: var(--surface-2); font-size: 18px; line-height: 1; cursor: pointer;
}
.icon-btn:disabled { opacity: .35; cursor: default; }

.seg-small button { padding: 5px 11px; font-size: 12px; }

/*
 * Telefono: i due riquadri stanno uno sopra l'altro e si passa dall'uno all'altro con il
 * selettore. Restano nella stessa posizione, quindi la differenza salta all'occhio.
 */
.seg-view { display: flex; width: 100%; }
.seg-view button { flex: 1 1 0; }

.compare-panes { display: grid; grid-template-columns: minmax(0, 1fr); }
.pane { grid-area: 1 / 1; margin: 0; min-width: 0; }
@media (max-width: 599.98px) {
  .compare[data-view="left"] .pane[data-side="right"],
  .compare[data-view="right"] .pane[data-side="left"] { visibility: hidden; }
}

.pane figcaption { display: flex; justify-content: space-between; gap: 8px; margin-bottom: 6px; font-size: 13px; }
.pane-title { font-weight: 500; }
.pane-size { color: var(--ink-2); font-variant-numeric: tabular-nums; }

.pane-scroll {
  position: relative;
  height: 62vh;
  height: 62dvh;
  overflow: auto;
  overscroll-behavior: contain;
  border-radius: 14px;
  background: var(--surface-2);
}

.pane-scroll canvas { display: block; margin: 0 auto; background: #fff; }
.pane-empty { position: absolute; inset: 0; display: none; align-items: center; justify-content: center; margin: 0; padding: 20px; text-align: center; color: var(--ink-2); font-size: 14px; }
.pane.is-empty .pane-empty { display: flex; }
.pane.is-empty canvas { display: none; }

/* Elenco dei file */

.zip-status { margin: 10px 0 0; color: var(--ink-2); font-size: 13px; }

.rows { border-radius: 16px; background: var(--surface); overflow: hidden; }

/* Telefono: ogni file è una scheda con nome, risparmio, misure e azioni. */
.row {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  grid-template-areas: "name save" "meta meta" "acts acts";
  align-items: center;
  gap: 4px 12px;
  padding: 12px 14px;
  border-top: 1px solid var(--line);
  content-visibility: auto;
  contain-intrinsic-size: auto 118px;
}
#rows .row:first-child { border-top: 0; }

.row-head { display: none; }

.num { text-align: right; font-variant-numeric: tabular-nums; }
.row-name { grid-area: name; min-width: 0; }
.row-title { display: block; font-weight: 500; font-size: 14px; }
.row-sub { display: block; margin-top: 1px; color: var(--ink-2); font-size: 12px; }
.row-sub:empty { display: none; }
.row-sub.warn { color: var(--warn); }
.row-sub.err { color: var(--red); }

.row-meta { grid-area: meta; display: flex; flex-wrap: wrap; gap: 0 12px; color: var(--ink-2); font-size: 13px; }
.row-meta .num { text-align: left; }
.cell-pages:empty, .cell-final:empty { display: none; }
.cell-pages::after { content: " pag."; }
.cell-final::before { content: "ora "; }

.cell-save { grid-area: save; align-self: start; font: 900 21px/1 var(--dots); font-variant-numeric: tabular-nums; color: var(--red); }
.cell-save.none { color: var(--ink-2); font: 400 13px var(--sans); }

.row-acts { grid-area: acts; display: flex; flex-wrap: wrap; justify-content: flex-start; gap: 2px; margin-left: -8px; }

.link-btn {
  appearance: none; border: 0; background: none; padding: 4px 8px; border-radius: 7px;
  color: var(--ink); font-size: 13px; cursor: pointer; white-space: nowrap;
}
.link-btn.dim { color: var(--ink-2); }
.link-btn.strong { font-weight: 600; }
@media (hover: hover) { .link-btn:hover { background: var(--surface-2); } }

.row-progress {
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 3px;
  height: 4px;
  overflow: hidden;
}
.row-progress i {
  display: block;
  height: 100%;
  width: 0;
  background-image: radial-gradient(circle, var(--red) 1.6px, transparent 1.8px);
  background-size: 6px 4px;
  transition: width .2s linear;
}

/* Con un solo file il riepilogo completo è già sopra e il confronto è in pagina. */
.work.solo .row-sub { display: none; }

/* Foglio di anteprima: a tutto schermo sul telefono. */

.sheet {
  width: 100vw;
  max-width: none;
  height: 100vh;
  height: 100dvh;
  max-height: none;
  margin: 0;
  padding: max(12px, env(safe-area-inset-top)) max(14px, env(safe-area-inset-right)) max(12px, env(safe-area-inset-bottom)) max(14px, env(safe-area-inset-left));
  border: 0;
  border-radius: 0;
  background: var(--bg);
  color: var(--ink);
}
.sheet::backdrop { background: rgba(0, 0, 0, .5); }
.sheet-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 8px; }
.sheet .notes { order: 0; margin-bottom: 8px; }
.sheet .pane-scroll { height: 58vh; height: 58dvh; }

.native .web-only { display: none; }
.native-only { display: none; }
.native .native-only { display: inline; }
.foot-link { margin-left: 1em; padding: 0; border: 0; background: none; color: inherit; font: inherit; text-decoration: underline; cursor: pointer; }
.extension-box ol { margin: 0 0 12px; padding-left: 1.3em; }
.extension-box li { margin-bottom: 4px; }
.extension-status { min-height: 1.4em; font-weight: 600; }

/* Messaggio di allerta prima di sovrascrivere */

.alert-box {
  width: min(480px, calc(100vw - 32px));
  max-height: calc(100dvh - 32px);
  padding: 20px;
  border: 0;
  border-top: 4px solid var(--red);
  border-radius: 16px;
  background: var(--surface);
  color: var(--ink);
}
.alert-box::backdrop { background: rgba(0, 0, 0, .6); }
.alert-box h2 { margin: 0 0 10px; font-size: 18px; line-height: 1.25; }
.alert-box p { margin: 0 0 10px; font-size: 14px; }
.alert-box ul { margin: 0 0 10px; padding-left: 18px; color: var(--ink-2); font-size: 13px; }
.alert-strong { font-weight: 600; color: var(--red); }
#replace-extra p { color: var(--ink-2); }
.alert-actions { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 8px; margin-top: 14px; }
.alert-actions .btn { flex: 1 1 auto; }

.pick-buttons { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; }
.drop-small .pick-buttons { justify-content: flex-end; }
@media (hover: none) and (pointer: coarse) {
  .drop-small .pick-buttons { flex: 1; }
  .drop-small .pick-buttons .btn { flex: 1; }
}

/* Limiti e piede */

.limits { margin-top: 24px; }
.limits-body { max-width: 68ch; margin-top: 10px; color: var(--ink-2); font-size: 14px; }
.limits-body p { margin: 0 0 8px; }
.limits-body ul { margin: 0; padding-left: 18px; display: grid; gap: 5px; }

.foot {
  margin-top: auto;
  padding-top: 24px;
  color: var(--ink-2);
  font-size: 12px;
  font-variant-numeric: tabular-nums;
}

/* Dita: bersagli comodi anche senza mouse. */
@media (pointer: coarse) {
  .btn { min-height: 48px; font-size: 15px; }
  .btn-quiet { min-height: 44px; }
  .seg button { min-height: 44px; }
  .seg-small button { min-height: 40px; padding-inline: 8px; flex: 1 1 0; }
  .seg-small { flex: 1 1 auto; }
  .link-btn { min-height: 44px; padding-inline: 12px; font-size: 14px; }
  .row-acts { margin-left: -12px; }
  .icon-btn { width: 44px; height: 44px; }
  .advanced summary, .limits summary { padding: 10px 0; font-size: 14px; }
  .check { padding-block: 4px; }
  .check input { width: 22px; height: 22px; }
  .pick-field select { min-height: 44px; font-size: 16px; }
  .slider input { height: 32px; }
}

/* Tablet e finestre medie */

@media (min-width: 600px) {
  :root { --gutter: 24px; }
  .page { padding-top: max(28px, env(safe-area-inset-top)); }
  .brand { font-size: 34px; }
  .top { margin-bottom: 24px; }
  .seg-profile { display: inline-flex; width: auto; }
  .seg-profile button { padding-inline: 14px; }
  .seg-profile button:last-child:nth-child(odd) { grid-column: auto; }
  .advanced-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px 28px; padding: 18px; }
  .drop-large { min-height: 340px; padding: 32px 20px; }
  .drop-small { padding: 18px 24px; }
  .display { padding: 20px 24px 22px; }
  .display-sizes { gap: 28px; }
  .display-sizes dd { font-size: 24px; }
  .display canvas { height: 52px; }

  /* Da qui in su le azioni tornano sotto il display. */
  .actions {
    order: 1;
    position: static;
    margin: 0 0 12px;
    padding: 0;
    background: none;
    border: 0;
    flex-wrap: wrap;
  }
  .actions .btn { flex: 0 0 auto; }
  .zip-status { order: 1; margin: 0 0 12px; }
  .notes { order: 2; }

  /* Confronto affiancato */
  .seg-view { display: none; }
  .compare-panes { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
  .pane { grid-area: auto; }
  .pane-scroll { height: min(72vh, 760px); }
  .seg-small { flex: 0 0 auto; }

  .sheet {
    width: min(1120px, calc(100vw - 32px));
    height: auto;
    max-height: calc(100vh - 32px);
    margin: auto;
    padding: 20px 22px;
    border-radius: 20px;
  }
  .sheet .pane-scroll { height: min(64vh, 720px); }
}

/* Da qui l'elenco è una tabella con colonne. */
@media (min-width: 860px) {
  .row {
    grid-template-columns: minmax(0, 1fr) 52px 76px 80px 78px 300px;
    grid-template-areas: none;
    gap: 10px;
    padding: 11px 16px;
    contain-intrinsic-size: auto 58px;
  }
  .row > * { grid-area: auto; }
  .row-head {
    display: grid;
    border-top: 0;
    padding-block: 9px;
    color: var(--ink-2);
    font-size: 12px;
    content-visibility: visible;
  }
  #rows .row:first-child { border-top: 1px solid var(--line); }
  .row-meta { display: contents; }
  .row-meta .num { text-align: right; }
  .cell-pages::after, .cell-final::before { content: none; }
  .cell-pages:empty, .cell-final:empty { display: block; }
  .cell-pages, .cell-orig { color: var(--ink-2); }
  .cell-final { color: var(--ink); }
  .cell-save { align-self: center; }
  .row-title { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
  .row-acts { justify-content: flex-end; margin-left: 0; flex-wrap: nowrap; }
  .row-progress { left: 16px; right: 16px; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
}