:root {
  --salone: #133256;
  --sfondo: #f4f5f7; --carta: #ffffff; --carta-2: #f0f2f5;
  --testo: #15202e; --testo-2: #4a5a6e; --testo-3: #7f8da0;
  --linea: #e1e5eb;
  --ok: #13735a; --vicina: #b26b00; --scaduta: #b3261e;
  --ombra: 0 1px 2px rgba(20, 30, 50, .06), 0 10px 30px -18px rgba(20, 30, 50, .35);
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --sfondo: #0e1520; --carta: #172131; --carta-2: #1f2b3d;
    --testo: #eef2f7; --testo-2: #b2bfcf; --testo-3: #7f8da0;
    --linea: #2a384c;
    --ok: #4cc79d; --vicina: #f0ad3c; --scaduta: #f07b72;
    --ombra: 0 1px 2px rgba(0, 0, 0, .3), 0 10px 30px -18px rgba(0, 0, 0, .8);
    /* I colori dei saloni sono quasi tutti scuri (blu notte, nero): su fondo scuro sparirebbero. */
    --pieno: #e9eef5; --pieno-testo: #0e1520;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --sfondo: #0e1520; --carta: #172131; --carta-2: #1f2b3d;
  --testo: #eef2f7; --testo-2: #b2bfcf; --testo-3: #7f8da0;
  --linea: #2a384c;
  --ok: #4cc79d; --vicina: #f0ad3c; --scaduta: #f07b72;
  --pieno: #e9eef5; --pieno-testo: #0e1520;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--sfondo); color: var(--testo);
  font: 16px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
  padding: env(safe-area-inset-top) 0 env(safe-area-inset-bottom);
}
main { max-width: 520px; margin: 0 auto; padding: 0 16px 40px; }
h1, h2, h3, p { margin: 0; }
button, input, textarea { font: inherit; color: inherit; }
a { color: inherit; }

.caricamento { min-height: 80vh; display: grid; place-content: center; text-align: center; gap: 16px; color: var(--testo-2); }
.rotella { width: 34px; height: 34px; margin: 0 auto; border-radius: 50%; border: 3px solid var(--linea); border-top-color: var(--salone); animation: gira 0.9s linear infinite; }
@keyframes gira { to { transform: rotate(360deg); } }
.vuoto { min-height: 70vh; display: grid; place-content: center; text-align: center; gap: 10px; padding: 24px; color: var(--testo-2); }
.vuoto h1 { font-size: 20px; color: var(--testo); }

/* Testata del salone */
.testata { display: flex; align-items: center; gap: 12px; padding: 18px 0 14px; }
.testata img { height: 40px; max-width: 150px; object-fit: contain; border-radius: 6px; background: #fff; padding: 3px; }
.testata .salone { font-size: 13px; font-weight: 600; color: var(--testo-2); line-height: 1.3; }

.carta { background: var(--carta); border: 1px solid var(--linea); border-radius: 16px; box-shadow: var(--ombra); margin-top: 14px; overflow: hidden; }
.sez { padding: 18px; }
.sez + .sez { border-top: 1px solid var(--linea); }
.etichetta { font-size: 12px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--testo-3); margin-bottom: 8px; }

.ciao { font-size: 15px; color: var(--testo-2); }
.auto { font-size: 24px; font-weight: 750; letter-spacing: -.02em; line-height: 1.2; margin-top: 2px; }
.targa { display: inline-block; margin-top: 10px; font: 700 14px/1 ui-monospace, "SF Mono", Menlo, monospace; letter-spacing: .08em;
  border: 1.5px solid var(--testo); border-radius: 5px; padding: 6px 9px 5px; }
.sotto { font-size: 13px; color: var(--testo-3); margin-top: 8px; }

/* Chilometri */
.km { background: var(--carta-2); }
.km-numero { font: 750 32px/1.1 ui-monospace, "SF Mono", Menlo, monospace; letter-spacing: -.02em; font-variant-numeric: tabular-nums; }
.km-quando { font-size: 13px; color: var(--testo-2); margin-top: 4px; }
.bottone { display: block; width: 100%; margin-top: 14px; border: 0; border-radius: 12px; padding: 14px 16px; min-height: 48px;
  background: var(--pieno, var(--salone)); color: var(--pieno-testo, var(--salone-testo, #fff)); font-weight: 700; font-size: 15px; cursor: pointer; text-align: center; text-decoration: none; }
.bottone.secondario { background: transparent; color: var(--testo); border: 1.5px solid var(--linea); }
.bottone:disabled { opacity: .55; cursor: default; }

/* Scadenze */
.riga { display: flex; gap: 12px; align-items: flex-start; padding: 14px 18px; border-top: 1px solid var(--linea); }
.riga:first-of-type { border-top: 0; }
.punto { flex: 0 0 10px; height: 10px; border-radius: 50%; margin-top: 7px; }
.punto.ok { background: var(--ok); }
.punto.vicina { background: var(--vicina); }
.punto.scaduta { background: var(--scaduta); }
.punto.vuota { border: 2px dashed var(--testo-3); }
.riga .corpo { flex: 1; min-width: 0; }
.riga .titolo { font-weight: 650; font-size: 15.5px; }
.riga .dett { font-size: 13px; color: var(--testo-2); margin-top: 1px; }
.riga .data { text-align: right; font-weight: 650; font-size: 14.5px; white-space: nowrap; }
.riga .data small { display: block; font-weight: 500; font-size: 11.5px; color: var(--testo-3); }
.riga .data.scaduta { color: var(--scaduta); }
.riga .data.vicina { color: var(--vicina); }
.azioni { display: flex; gap: 8px; margin-top: 8px; flex-wrap: wrap; }
.mini { border: 1.5px solid var(--linea); background: var(--carta); border-radius: 999px; padding: 6px 12px; font-size: 13px; font-weight: 650; cursor: pointer; min-height: 34px; }
.mini.primo { border-color: var(--salone); color: var(--salone); }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .mini.primo { color: var(--testo); } }
.nota-indicativa { font-size: 12.5px; color: var(--testo-3); padding: 0 18px 16px; }

/* Contatti */
.contatto { display: flex; align-items: center; gap: 12px; padding: 13px 18px; border-top: 1px solid var(--linea); text-decoration: none; }
.contatto:first-of-type { border-top: 0; }
.contatto .ico { flex: 0 0 38px; height: 38px; border-radius: 10px; display: grid; place-items: center; background: var(--carta-2); font-size: 18px; }
.contatto .c1 { font-weight: 650; font-size: 15px; }
.contatto .c2 { font-size: 13px; color: var(--testo-2); word-break: break-word; }
.emergenza { padding: 16px 18px; font-size: 14.5px; color: var(--testo-2); }

.home { position: relative; }
.home p { font-size: 14px; color: var(--testo-2); margin-top: 4px; }
.home ol { margin: 10px 0 0; padding-left: 20px; font-size: 14px; color: var(--testo-2); }
.home .chiudi-home { position: absolute; top: 10px; right: 10px; border: 0; background: none; font-size: 18px; color: var(--testo-3); cursor: pointer; padding: 6px; }

.piede { text-align: center; font-size: 12px; color: var(--testo-3); margin-top: 26px; line-height: 1.6; }

/* Foglio (finestre) */
dialog { border: 0; padding: 0; width: min(520px, 100vw); max-width: 100vw; max-height: 92vh; margin: auto auto 0; border-radius: 18px 18px 0 0;
  background: var(--carta); color: var(--testo); box-shadow: 0 -10px 40px rgba(0, 0, 0, .25); }
dialog::backdrop { background: rgba(10, 16, 26, .55); }
@media (min-width: 560px) { dialog { margin: auto; border-radius: 18px; } }
.foglio-testa { display: flex; align-items: center; justify-content: space-between; padding: 16px 18px 6px; }
.foglio-testa h2 { font-size: 18px; }
.chiudi { border: 0; background: var(--carta-2); width: 34px; height: 34px; border-radius: 50%; cursor: pointer; font-size: 15px; }
#foglio-corpo { padding: 6px 18px calc(22px + env(safe-area-inset-bottom)); }
#foglio-corpo p { font-size: 14.5px; color: var(--testo-2); margin-bottom: 12px; }
label.campo { display: block; font-size: 13px; font-weight: 650; color: var(--testo-2); margin: 12px 0 6px; }
input.campo, textarea.campo { width: 100%; border: 1.5px solid var(--linea); border-radius: 12px; padding: 13px 14px; background: var(--sfondo); font-size: 17px; }
input.campo:focus, textarea.campo:focus { outline: 2px solid var(--salone); outline-offset: 1px; border-color: transparent; }
textarea.campo { min-height: 80px; resize: vertical; font-size: 15px; }
.errore { color: var(--scaduta); font-size: 14px; margin-top: 10px; min-height: 1em; }
.foto-griglia { display: grid; grid-template-columns: repeat(4, 1fr); gap: 6px; margin-top: 10px; }
.foto-griglia img { width: 100%; aspect-ratio: 1; object-fit: cover; border-radius: 8px; }
.fatto-ok { text-align: center; padding: 18px 0 6px; }
.fatto-ok .spunta { width: 52px; height: 52px; border-radius: 50%; background: var(--ok); color: #fff; display: grid; place-items: center; font-size: 26px; margin: 0 auto 12px; }