/* =============================================================
   Conti in vacanza — foglio di stile
   Tono: quaderno da spiaggia. Carta calda, inchiostro scuro,
   terracotta per Daniele, verde-mare per Angela, ambra per
   quello che resta da dividere.
   ============================================================= */

:root {
  --carta:        #f4ede1;
  --carta-alta:   #fbf7ef;
  --carta-cava:   #ece2d2;
  --inchiostro:   #241f1a;
  --inchiostro-2: #6f6355;
  --inchiostro-3: #736757; /* scuro apposta: si legge anche in spiaggia, 4.7:1 */
  --filo:         #ddd0bc;
  --filo-forte:   #c9b99f;

  --daniele:      #b0451f;
  --daniele-lieve:#f6e0d6;
  --angela:       #14666a;
  --angela-lieve: #d9ebe9;

  --attesa:       #8a5c07;
  --attesa-lieve: #f7e6bf;
  --attesa-forte: #d9a12a;
  --fatto:        #4e7a4a;

  --ombra:        0 1px 2px rgba(52, 38, 20, .06), 0 8px 24px -12px rgba(52, 38, 20, .22);
  --ombra-alta:   0 2px 6px rgba(52, 38, 20, .10), 0 26px 60px -22px rgba(52, 38, 20, .40);

  --raggio:       14px;
  --raggio-largo: 22px;

  --display: "Fraunces", "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
  --testo:   "Karla", "Avenir Next", Avenir, "Segoe UI", "Helvetica Neue", sans-serif;

  --molla: cubic-bezier(.2, .8, .2, 1);
}

@media (prefers-color-scheme: dark) {
  :root {
    --carta:        #141210;
    --carta-alta:   #1e1a16;
    --carta-cava:   #191512;
    --inchiostro:   #f0e7da;
    --inchiostro-2: #a99c8c;
    --inchiostro-3: #948877; /* 5:1 sul fondo scuro */
    --filo:         #322c25;
    --filo-forte:   #4a4137;

    --daniele:      #e88b62;
    --daniele-lieve:#3a2117;
    --angela:       #6cc0bf;
    --angela-lieve: #12302f;

    --attesa:       #e8bc61;
    --attesa-lieve: #3a2d12;
    --attesa-forte: #e8bc61;
    --fatto:        #8fb887;

    --ombra:        0 1px 2px rgba(0, 0, 0, .4), 0 8px 24px -12px rgba(0, 0, 0, .7);
    --ombra-alta:   0 2px 6px rgba(0, 0, 0, .5), 0 26px 60px -22px rgba(0, 0, 0, .9);
  }
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  min-height: 100dvh;
  background: var(--carta);
  color: var(--inchiostro);
  font-family: var(--testo);
  font-size: 16px;
  line-height: 1.45;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* --- atmosfera ------------------------------------------------ */

/* grana di carta, appena percettibile */
.grana {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 3;
  opacity: .5;
  mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)' opacity='.28'/%3E%3C/svg%3E");
}

@media (prefers-color-scheme: dark) {
  .grana { mix-blend-mode: screen; opacity: .22; }
}

/* alone caldo in alto a destra, come sole fuori campo */
.sole {
  position: fixed;
  top: -28vmax;
  right: -22vmax;
  width: 62vmax;
  height: 62vmax;
  border-radius: 50%;
  pointer-events: none;
  z-index: 0;
  background: radial-gradient(circle, rgba(217, 161, 42, .22), rgba(217, 161, 42, 0) 62%);
}

@media (prefers-color-scheme: dark) {
  .sole { background: radial-gradient(circle, rgba(232, 188, 97, .10), rgba(232, 188, 97, 0) 62%); }
}

.foglio {
  position: relative;
  z-index: 1;
  max-width: 62rem;
  margin: 0 auto;
  padding: clamp(1.1rem, 4vw, 2.6rem) clamp(1rem, 4vw, 2rem) 7.5rem;
  padding-bottom: calc(7.5rem + env(safe-area-inset-bottom));
}

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

.testata {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: clamp(1.4rem, 4vw, 2.2rem);
}

.occhiello {
  margin: 0 0 .15rem;
  font-size: .7rem;
  font-weight: 600;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--inchiostro-3);
}

.titolo {
  margin: 0;
  font-family: var(--display);
  font-weight: 600;
  font-size: clamp(2rem, 8.5vw, 3.1rem);
  line-height: .97;
  letter-spacing: -.022em;
}

.titolo em {
  font-style: italic;
  font-weight: 400;
  color: var(--daniele);
}

/* pallino di collegamento */
.rete {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  margin: .5rem 0 0;
  padding: .28rem .6rem .28rem .48rem;
  border: 1px solid var(--filo);
  border-radius: 999px;
  background: var(--carta-alta);
  font-size: .68rem;
  letter-spacing: .07em;
  text-transform: uppercase;
  color: var(--inchiostro-2);
  white-space: nowrap;
  flex: none;
}

.rete__pallino {
  width: .44rem;
  height: .44rem;
  border-radius: 50%;
  background: var(--inchiostro-3);
  transition: background .3s;
}

.rete[data-stato="ok"]      .rete__pallino { background: var(--fatto); }
.rete[data-stato="errore"]  .rete__pallino { background: var(--daniele); }
.rete[data-stato="attesa"]  .rete__pallino { animation: pulsa 1.2s infinite; }
.rete[data-stato="errore"] { border-color: var(--daniele); color: var(--daniele); }

@keyframes pulsa { 50% { opacity: .25; } }

/* --- conguaglio ----------------------------------------------- */

.conguaglio {
  position: relative;
  padding: clamp(1.2rem, 4.5vw, 1.9rem);
  border: 1px solid var(--filo);
  border-radius: var(--raggio-largo);
  background:
    linear-gradient(160deg, var(--carta-alta), var(--carta-cava));
  box-shadow: var(--ombra);
  overflow: hidden;
}

/* filo ambra sul bordo superiore */
.conguaglio::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 3px;
  background: linear-gradient(90deg, var(--daniele), var(--attesa-forte) 52%, var(--angela));
}

.conguaglio__occhiello {
  margin: 0;
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--inchiostro-2);
}

.conguaglio__cifra {
  margin: .1rem 0 0;
  font-family: var(--display);
  font-weight: 600;
  font-size: clamp(2.7rem, 14vw, 4.4rem);
  line-height: 1;
  letter-spacing: -.035em;
  font-variant-numeric: tabular-nums;
  transition: color .3s;
}

.conguaglio__cifra[data-vuoto="si"] { color: var(--inchiostro-3); }

.conguaglio__verdetto {
  margin: .55rem 0 0;
  font-size: 1rem;
  color: var(--inchiostro-2);
  text-wrap: balance;
}

.conguaglio__verdetto strong {
  color: var(--inchiostro);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

.conguaglio__verdetto em {
  font-style: normal;
  color: var(--attesa);
  font-weight: 600;
}

.conguaglio__verdetto[data-tono="pari"] { color: var(--fatto); font-weight: 600; }

.ripartizione {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: .5rem;
  margin: 1.25rem 0 0;
  padding-top: 1rem;
  border-top: 1px dashed var(--filo-forte);
}

.ripartizione__voce dt {
  font-size: .64rem;
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--inchiostro-2); /* il fondo qui è più scuro: serve un grigio più forte */
}

.ripartizione__voce dd {
  margin: .15rem 0 0;
  font-family: var(--display);
  font-size: 1.12rem;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  letter-spacing: -.01em;
}

.ripartizione__voce[data-chi="daniele"] dd { color: var(--daniele); }
.ripartizione__voce[data-chi="angela"]  dd { color: var(--angela); }

/* --- liste ---------------------------------------------------- */

.liste {
  display: grid;
  gap: 1.1rem;
  margin-top: 1.3rem;
}

@media (min-width: 760px) {
  .liste { grid-template-columns: 1fr 1fr; gap: 1.4rem; align-items: start; }
}

.lista {
  border: 1px solid var(--filo);
  border-radius: var(--raggio-largo);
  background: var(--carta-alta);
  box-shadow: var(--ombra);
  overflow: hidden;
}

.lista__testa {
  position: sticky;
  top: 0;
  z-index: 2;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: .75rem;
  padding: .85rem 1.1rem;
  background: var(--carta-alta);
  border-bottom: 1px solid var(--filo);
}

@supports (backdrop-filter: blur(8px)) {
  .lista__testa { background: color-mix(in srgb, var(--carta-alta) 86%, transparent); backdrop-filter: blur(10px); }
}

.lista__testa h2 {
  margin: 0;
  font-family: var(--display);
  font-size: 1.32rem;
  font-weight: 600;
  letter-spacing: -.02em;
}

.lista[data-chi="daniele"] .lista__testa h2 { color: var(--daniele); }
.lista[data-chi="angela"]  .lista__testa h2 { color: var(--angela); }

.lista__totale {
  margin: 0;
  font-size: .95rem;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  color: var(--inchiostro-2);
}

.lista__vuota {
  margin: 0;
  padding: 1.6rem 1.1rem;
  text-align: center;
  color: var(--inchiostro-3);
  font-size: .9rem;
}

.voci { margin: 0; padding: 0; list-style: none; }

/* --- singola voce --------------------------------------------- */

.voce {
  display: flex;
  align-items: stretch;
  border-bottom: 1px solid var(--filo);
}

.voce:last-child { border-bottom: 0; }

.primo-carico .voce {
  animation: emergi .45s var(--molla) both;
  animation-delay: calc(var(--i, 0) * 28ms);
}

@keyframes emergi {
  from { opacity: 0; transform: translateY(9px); }
}

.voce__stato,
.voce__modifica {
  appearance: none;
  border: 0;
  background: transparent;
  font: inherit;
  color: inherit;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}

.voce__stato {
  flex: 1;
  min-width: 0;
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: .3rem .75rem;
  padding: .7rem .4rem .7rem 1.1rem;
  text-align: left;
  transition: background .18s;
}

.voce__stato:hover { background: var(--carta-cava); }
.voce__stato:active { background: var(--filo); }

.voce__testa { min-width: 0; }

.voce__desc {
  display: block;
  font-size: .98rem;
  font-weight: 500;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.voce__giorno {
  display: block;
  font-size: .7rem;
  color: var(--inchiostro-3);
  letter-spacing: .03em;
}

.voce__cifra {
  font-family: var(--display);
  font-size: 1.06rem;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  letter-spacing: -.01em;
  white-space: nowrap;
}

.targhetta {
  grid-column: 1 / -1;
  justify-self: start;
  margin-top: .18rem;
  padding: .1rem .45rem;
  border-radius: 999px;
  font-size: .64rem;
  font-weight: 700;
  letter-spacing: .09em;
  text-transform: uppercase;
}

.voce[data-stato="none"] .targhetta { display: none; }

.voce[data-stato="da_dividere"] {
  background: linear-gradient(90deg, var(--attesa-lieve), transparent 78%);
  box-shadow: inset 3px 0 0 var(--attesa-forte);
}

.voce[data-stato="da_dividere"] .targhetta {
  background: var(--attesa-forte);
  color: #2b1e02;
}

.voce[data-stato="divisa"] .voce__desc,
.voce[data-stato="divisa"] .voce__cifra {
  color: var(--inchiostro-3);
  text-decoration: line-through;
  text-decoration-thickness: 1px;
  text-decoration-color: var(--filo-forte);
}

.voce[data-stato="divisa"] .targhetta {
  background: transparent;
  border: 1px solid var(--filo-forte);
  color: var(--fatto);
}

.voce__modifica {
  flex: none;
  width: 3rem;
  display: grid;
  place-items: center;
  color: var(--inchiostro-3);
  border-left: 1px solid transparent;
  transition: color .18s, background .18s;
}

.voce__modifica:hover { color: var(--inchiostro); background: var(--carta-cava); }
.voce__modifica svg { width: 1.05rem; height: 1.05rem; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }

/* lampo di conferma quando cambia stato */
.voce--tocca { animation: lampo .5s ease; }
@keyframes lampo {
  0%   { background-color: var(--attesa-lieve); }
  100% { background-color: transparent; }
}

/* --- chiusura ------------------------------------------------- */

.chiusura { margin-top: 1.6rem; text-align: center; }

.chiusura__totale {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: .6rem;
  margin: 0 0 1rem;
  font-size: .72rem;
  font-weight: 600;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--inchiostro-3);
}

.chiusura__totale strong {
  font-family: var(--display);
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: -.02em;
  text-transform: none;
  font-variant-numeric: tabular-nums;
  color: var(--inchiostro);
}

.chiusura__azioni {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: .55rem;
}

.chiusura__nota {
  margin: 1.1rem 0 0;
  font-size: .74rem;
  color: var(--inchiostro-3);
  text-wrap: balance;
}

/* --- bottoni -------------------------------------------------- */

.bottone {
  appearance: none;
  min-height: 44px; /* bersaglio comodo al dito */
  padding: .58rem 1.05rem;
  border-radius: 999px;
  border: 1px solid var(--filo-forte);
  background: transparent;
  color: var(--inchiostro-2);
  font: inherit;
  font-size: .86rem;
  font-weight: 600;
  cursor: pointer;
  transition: background .18s, color .18s, border-color .18s, transform .12s;
  -webkit-tap-highlight-color: transparent;
}

.bottone:hover  { background: var(--carta-cava); color: var(--inchiostro); }
.bottone:active { transform: scale(.97); }

.bottone--pieno {
  background: var(--inchiostro);
  border-color: var(--inchiostro);
  color: var(--carta);
}

.bottone--pieno:hover { background: var(--daniele); border-color: var(--daniele); color: #fff; }

.bottone--pericolo { border-color: transparent; color: var(--daniele); }
.bottone--pericolo:hover { background: var(--daniele-lieve); color: var(--daniele); }

.bottone[disabled] { opacity: .5; pointer-events: none; }

/* --- pulsante aggiungi ---------------------------------------- */

.fab {
  position: fixed;
  right: clamp(1rem, 4vw, 2rem);
  bottom: calc(clamp(1rem, 4vw, 2rem) + env(safe-area-inset-bottom));
  z-index: 4;
  width: 3.6rem;
  height: 3.6rem;
  display: grid;
  place-items: center;
  border: 0;
  border-radius: 50%;
  background: var(--inchiostro);
  color: var(--carta);
  box-shadow: var(--ombra-alta);
  cursor: pointer;
  transition: transform .2s var(--molla), background .2s;
  -webkit-tap-highlight-color: transparent;
}

.fab:hover  { background: var(--daniele); transform: scale(1.06) rotate(90deg); }
.fab:active { transform: scale(.94); }
.fab svg    { width: 1.5rem; height: 1.5rem; fill: none; stroke: currentColor; stroke-width: 2.2; stroke-linecap: round; }

/* --- foglietto (dialog) --------------------------------------- */

.foglietto {
  /* Chromium impone di suo max-width/max-height: calc(100% - 38px), che lascia
     un margine ai lati e impedisce al foglietto di appoggiarsi al bordo dello
     schermo. Vanno riscritti entrambi. */
  width: 100%;
  max-width: 30rem;
  max-height: 92dvh;
  margin: auto auto 0;
  padding: 0;
  border: 0;
  border-radius: var(--raggio-largo) var(--raggio-largo) 0 0;
  background: var(--carta-alta);
  color: var(--inchiostro);
  box-shadow: var(--ombra-alta);
  overflow: hidden;
}

.foglietto::backdrop {
  background: rgba(36, 26, 14, .42);
  backdrop-filter: blur(3px);
}

.foglietto[open] { animation: sali .3s var(--molla); }

@keyframes sali { from { transform: translateY(14%); opacity: 0; } }

@media (min-width: 760px) {
  .foglietto { margin: auto; max-height: 88dvh; border-radius: var(--raggio-largo); }
  @keyframes sali { from { transform: scale(.96); opacity: 0; } }
}

.foglietto form {
  display: flex;
  flex-direction: column;
  gap: .95rem;
  max-height: inherit;
  overflow-y: auto;
  overscroll-behavior: contain;
  padding: .7rem clamp(1.1rem, 5vw, 1.6rem) clamp(1.2rem, 5vw, 1.6rem);
  padding-bottom: calc(clamp(1.2rem, 5vw, 1.6rem) + env(safe-area-inset-bottom));
}

.foglietto__maniglia {
  width: 2.6rem;
  height: .25rem;
  margin: .25rem auto .3rem;
  border-radius: 999px;
  background: var(--filo-forte);
}

@media (min-width: 760px) { .foglietto__maniglia { display: none; } }

.foglietto__titolo {
  margin: 0;
  font-family: var(--display);
  font-size: 1.45rem;
  font-weight: 600;
  letter-spacing: -.02em;
}

.foglietto__errore {
  margin: 0;
  padding: .5rem .75rem;
  border-radius: var(--raggio);
  background: var(--daniele-lieve);
  color: var(--daniele);
  font-size: .85rem;
  font-weight: 600;
}

.foglietto__azioni {
  display: flex;
  align-items: center;
  gap: .5rem;
  margin-top: .2rem;
}

.spinta { flex: 1; }

/* --- campi ---------------------------------------------------- */

.coppia { display: grid; grid-template-columns: 1fr 8.5rem; gap: .7rem; }

@media (max-width: 380px) { .coppia { grid-template-columns: 1fr; } }

.campo { display: block; }

.campo__etichetta {
  display: block;
  margin-bottom: .3rem;
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--inchiostro-2);
}

.campo__etichetta em { font-style: normal; font-weight: 500; color: var(--inchiostro-3); letter-spacing: .06em; }

.campo input[type="text"],
.campo input[type="date"] {
  width: 100%;
  padding: .62rem .8rem;
  border: 1px solid var(--filo-forte);
  border-radius: var(--raggio);
  background: var(--carta);
  color: var(--inchiostro);
  font: inherit;
  font-size: 1rem; /* mai sotto 16px: evita lo zoom automatico su iOS */
  transition: border-color .18s, box-shadow .18s;
}

.campo input:focus {
  outline: none;
  border-color: var(--inchiostro-2);
  box-shadow: 0 0 0 3px var(--attesa-lieve);
}

.valuta { position: relative; }
.valuta input { padding-right: 2rem; font-variant-numeric: tabular-nums; }

.valuta__simbolo {
  position: absolute;
  right: .8rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--inchiostro-3);
  pointer-events: none;
}

/* --- segmenti ------------------------------------------------- */

.segmenti {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: .3rem;
  padding: .25rem;
  border: 1px solid var(--filo);
  border-radius: 999px;
  background: var(--carta-cava);
}

.segmenti--tre { grid-template-columns: repeat(3, 1fr); }

.segmento { position: relative; }

.segmento input {
  position: absolute;
  opacity: 0;
  width: 100%;
  height: 100%;
  margin: 0;
  cursor: pointer;
}

.segmento span {
  display: block;
  padding: .45rem .3rem;
  border-radius: 999px;
  text-align: center;
  font-size: .84rem;
  font-weight: 600;
  color: var(--inchiostro-2);
  transition: background .18s, color .18s, box-shadow .18s;
}

.segmento input:checked + span {
  background: var(--carta-alta);
  color: var(--inchiostro);
  box-shadow: var(--ombra);
}

.segmento[data-chi="daniele"]      input:checked + span { color: var(--daniele); }
.segmento[data-chi="angela"]       input:checked + span { color: var(--angela); }
.segmento[data-stato="da_dividere"] input:checked + span { color: var(--attesa); }
.segmento[data-stato="divisa"]      input:checked + span { color: var(--fatto); }

.segmento input:focus-visible + span { box-shadow: 0 0 0 2px var(--inchiostro-2); }

/* --- avviso --------------------------------------------------- */

.avviso {
  position: fixed;
  left: 50%;
  bottom: calc(1.6rem + env(safe-area-inset-bottom));
  transform: translate(-50%, 1rem);
  z-index: 10;
  max-width: calc(100vw - 2rem);
  margin: 0;
  padding: .6rem 1.1rem;
  border-radius: 999px;
  background: var(--inchiostro);
  color: var(--carta);
  font-size: .85rem;
  font-weight: 600;
  box-shadow: var(--ombra-alta);
  opacity: 0;
  pointer-events: none;
  transition: opacity .25s, transform .25s var(--molla);
}

.avviso[data-visibile="si"] { opacity: 1; transform: translate(-50%, 0); }

/* --- accessibilità -------------------------------------------- */

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

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
}