:root {
  --sfondo: #f4f6f8;
  --carta: #ffffff;
  --testo: #18212b;
  --tenue: #5b6875;
  --bordo: #dde3e9;
  --accento: #0f766e;
  --accento-testo: #ffffff;
  --errore: #b42318;
  --codice: #eef2f5;
  --ombra: 0 1px 2px rgba(16, 24, 40, .06), 0 1px 3px rgba(16, 24, 40, .08);
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --sfondo: #0f1720;
    --carta: #17212b;
    --testo: #e6edf3;
    --tenue: #93a1ae;
    --bordo: #263340;
    --accento: #2dd4bf;
    --accento-testo: #062925;
    --errore: #f97066;
    --codice: #1f2b37;
    --ombra: none;
  }
}
:root[data-theme="dark"] {
  --sfondo: #0f1720; --carta: #17212b; --testo: #e6edf3; --tenue: #93a1ae; --bordo: #263340;
  --accento: #2dd4bf; --accento-testo: #062925; --errore: #f97066; --codice: #1f2b37; --ombra: none;
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  background: var(--sfondo);
  color: var(--testo);
  font: 16px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  -webkit-text-size-adjust: 100%;
}
[hidden] { display: none !important; }
code, pre { font-family: ui-monospace, "SF Mono", Consolas, monospace; font-size: .92em; }
code { background: var(--codice); padding: 0 4px; border-radius: 4px; }
a { color: var(--accento); }

/* ---- accesso ---- */
.entra { min-height: 100vh; display: grid; place-items: center; padding: 16px; }
.entra-box {
  width: 100%; max-width: 360px; background: var(--carta); border: 1px solid var(--bordo);
  border-radius: 14px; padding: 28px 22px; box-shadow: var(--ombra);
}
.logo { font-size: 40px; text-align: center; }
.entra-box h1 { margin: 4px 0 0; text-align: center; font-size: 22px; }
.sotto { margin: 0 0 20px; text-align: center; color: var(--tenue); }
label { display: block; font-weight: 600; margin-bottom: 6px; }
input {
  width: 100%; font: inherit; padding: 12px; border-radius: 10px; border: 1px solid var(--bordo);
  background: var(--sfondo); color: var(--testo);
}
input:focus { outline: 2px solid var(--accento); outline-offset: 1px; }
button { font: inherit; cursor: pointer; }
#bottone-entra {
  width: 100%; margin-top: 14px; padding: 12px; border: 0; border-radius: 10px;
  background: var(--accento); color: var(--accento-testo); font-weight: 600;
}
#bottone-entra:disabled { opacity: .6; }
.errore { color: var(--errore); min-height: 1.5em; margin: 10px 0 0; }
.aiuto { color: var(--tenue); font-size: 14px; margin: 6px 0 0; }

/* ---- testata ---- */
.testata {
  position: sticky; top: 0; z-index: 2; display: flex; align-items: center; justify-content: space-between;
  gap: 8px; padding: calc(10px + env(safe-area-inset-top)) 16px 10px;
  background: var(--sfondo); border-bottom: 1px solid var(--bordo);
}
.testata h1 { margin: 0; font-size: 20px; }
.azioni { display: flex; align-items: center; gap: 6px; }
.aggiornato { color: var(--tenue); font-size: 13px; }
.icona {
  width: 40px; height: 40px; border-radius: 10px; border: 1px solid var(--bordo);
  background: var(--carta); color: var(--testo); font-size: 18px;
}
.icona.gira { animation: gira 1s linear infinite; }
@keyframes gira { to { transform: rotate(360deg); } }

/* ---- schede ---- */
.contenuto {
  max-width: 1100px; margin: 0 auto; padding: 16px 16px calc(96px + env(safe-area-inset-bottom));
  display: grid; gap: 14px; grid-template-columns: minmax(0, 1fr);
}
.carta {
  background: var(--carta); border: 1px solid var(--bordo); border-radius: 14px;
  box-shadow: var(--ombra); overflow: hidden;
}
.carta > summary {
  list-style: none; cursor: pointer; display: flex; justify-content: space-between; align-items: center;
  gap: 8px; padding: 12px 14px; font-weight: 700; border-bottom: 1px solid var(--bordo);
}
.carta > summary::-webkit-details-marker { display: none; }
.carta:not([open]) > summary { border-bottom: 0; }
.carta .ora { color: var(--tenue); font-weight: 400; font-size: 13px; white-space: nowrap; }
.corpo {
  padding: 12px 14px 14px; white-space: pre-wrap; overflow-wrap: anywhere; font-size: 15px;
}
.corpo pre { white-space: pre-wrap; margin: 0; }
.corpo blockquote { margin: 4px 0; padding-left: 10px; border-left: 3px solid var(--bordo); }
.attesa { color: var(--tenue); }

/* ---- notifiche ---- */
.banner {
  max-width: 1100px; margin: 12px auto 0; padding: 12px 14px; border-radius: 14px;
  background: var(--carta); border: 2px solid var(--accento); display: flex; flex-wrap: wrap;
  align-items: center; gap: 10px; width: calc(100% - 32px);
}
.banner p { margin: 0; flex: 1 1 220px; }
.stato-push { margin: 0 0 12px; white-space: normal; }
.pulsanti { display: flex; flex-wrap: wrap; gap: 8px; }
.pulsante {
  border: 0; border-radius: 10px; padding: 10px 14px; font-weight: 600;
  background: var(--accento); color: var(--accento-testo);
}
.pulsante.secondario { background: var(--carta); color: var(--testo); border: 1px solid var(--bordo); }
.storico { display: grid; gap: 10px; }
.titolo-sezione { margin: 6px 0 0; font-size: 16px; color: var(--tenue); }
@media (min-width: 860px) { .titolo-sezione { grid-column: 1 / -1; } }
.testa-notifica {
  padding: 8px 14px; font-size: 13px; color: var(--tenue); border-bottom: 1px solid var(--bordo);
}
@media (min-width: 860px) {
  .storico { grid-column: 1 / -1; grid-template-columns: repeat(2, minmax(0, 1fr)); align-items: start; }
}

/* ---- navigazione ---- */
.barra {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 2; display: grid;
  grid-template-columns: repeat(8, 1fr); background: var(--carta); border-top: 1px solid var(--bordo);
  padding-bottom: env(safe-area-inset-bottom);
}
.barra button {
  border: 0; background: none; color: var(--tenue); padding: 8px 2px 10px;
  display: flex; flex-direction: column; align-items: center; gap: 2px; font-size: 10px;
  min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.barra button span { font-size: 20px; line-height: 1.2; }
.barra button[aria-current="page"] { color: var(--accento); font-weight: 700; }
.schede-pc { display: none; }

@media (min-width: 860px) {
  .barra { display: none; }
  .schede-pc {
    display: flex; gap: 6px; max-width: 1100px; margin: 12px auto 0; padding: 0 16px;
  }
  .schede-pc button {
    border: 1px solid var(--bordo); background: var(--carta); color: var(--testo);
    border-radius: 999px; padding: 6px 14px;
  }
  .schede-pc button[aria-current="page"] {
    background: var(--accento); color: var(--accento-testo); border-color: var(--accento);
  }
  .contenuto { grid-template-columns: repeat(2, minmax(0, 1fr)); padding-bottom: 32px; align-items: start; }
}