:root {
  --sfondo: #f4f5f7;
  --carta: #ffffff;
  --testo: #1d2330;
  --tenue: #6b7280;
  --bordo: #e3e6ea;
  --accento: #2f6fde;
  --mio: #eef4ff;
  --avviso: #9a5b00;
  --avviso-sfondo: #fff6e5;
  --codice: #f1f3f5;
}
@media (prefers-color-scheme: dark) {
  :root {
    --sfondo: #14171c;
    --carta: #1d2128;
    --testo: #e7e9ee;
    --tenue: #9aa3b2;
    --bordo: #2c323b;
    --accento: #6b9cff;
    --mio: #1d2a40;
    --avviso: #f0b45b;
    --avviso-sfondo: #3a2d16;
    --codice: #262b33;
  }
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  background: var(--sfondo);
  color: var(--testo);
  font: 15px/1.45 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Noto Sans", "Noto Sans Malayalam", sans-serif;
  display: flex;
  flex-direction: column;
}
[hidden] { display: none !important; }

.barra {
  display: flex; align-items: center; justify-content: space-between;
  padding: 10px 16px; background: var(--carta); border-bottom: 1px solid var(--bordo);
}
.titolo { font-weight: 700; font-size: 17px; }
nav { display: flex; gap: 14px; }

button {
  font: inherit; cursor: pointer; border: 0; border-radius: 8px;
  background: var(--accento); color: #fff; padding: 9px 14px;
}
button.secondario { background: transparent; color: var(--tenue); border: 1px solid var(--bordo); }
button.link { background: none; color: var(--accento); padding: 0; }
button:disabled { opacity: .5; }
input, select, textarea {
  font: inherit; color: var(--testo); background: var(--carta);
  border: 1px solid var(--bordo); border-radius: 8px; padding: 9px 11px; width: 100%;
}

.scheda {
  max-width: 420px; width: calc(100% - 32px); margin: 40px auto; padding: 24px;
  background: var(--carta); border: 1px solid var(--bordo); border-radius: 12px;
}
.scheda.larga { max-width: 900px; }
.scheda h1 { font-size: 20px; margin: 0 0 16px; }
.scheda form { display: flex; flex-direction: column; gap: 10px; }
.errore { color: #d33; min-height: 1em; }
#t-utenti { width: 100%; border-collapse: collapse; margin-bottom: 16px; }
#t-utenti td { padding: 8px 6px; border-bottom: 1px solid var(--bordo); vertical-align: middle; }
#t-utenti td:last-child { display: flex; gap: 6px; justify-content: flex-end; }

/* --- Chat --- */
#v-chat { flex: 1; display: flex; flex-direction: column; min-height: 0; }
.intestazioni {
  display: grid; grid-template-columns: 1fr 1fr; gap: 16px;
  padding: 6px 16px; font-size: 12px; text-transform: uppercase; letter-spacing: .04em; color: var(--tenue);
  border-bottom: 1px solid var(--bordo); background: var(--carta);
}
#messaggi { flex: 1; overflow-y: auto; padding: 12px 16px; display: flex; flex-direction: column; gap: 10px; }

.msg { background: var(--carta); border: 1px solid var(--bordo); border-radius: 10px; padding: 8px 12px; }
.msg.mio { background: var(--mio); }
.msg.eliminato { opacity: .6; }
.msg:target { outline: 2px solid var(--accento); }
.testa { font-size: 13px; color: var(--tenue); margin-bottom: 4px; }
.testa b { color: var(--testo); }
.nota-piccola { color: var(--tenue); font-size: 13px; }
.lingua { font-size: 11px; color: var(--tenue); margin-bottom: 2px; }

.citazione {
  display: block; font-size: 13px; color: var(--tenue); text-decoration: none;
  border-left: 3px solid var(--accento); padding: 2px 8px; margin: 2px 0 6px;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.colonne { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.col { min-width: 0; }
.col.unica { grid-column: 1 / -1; }
.col.originale { color: var(--tenue); user-select: text; }
.col.tradotta { border-left: 1px solid var(--bordo); padding-left: 16px; }
.testo { white-space: pre-wrap; overflow-wrap: anywhere; }
.testo pre { white-space: pre; overflow-x: auto; background: var(--codice); padding: 8px; border-radius: 6px; margin: 4px 0; }
.testo code { background: var(--codice); padding: 1px 4px; border-radius: 4px; font-size: 13px; }
.testo pre code { padding: 0; background: none; }
.testo a { color: var(--accento); }

.avviso {
  margin-top: 6px; font-size: 13px; color: var(--avviso); background: var(--avviso-sfondo);
  padding: 4px 8px; border-radius: 6px; white-space: normal;
}

.piede { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; margin-top: 6px; position: relative; }
.reazione {
  background: var(--sfondo); color: var(--testo); border: 1px solid var(--bordo);
  padding: 1px 8px; border-radius: 12px; font-size: 13px;
}
.reazione.mia { border-color: var(--accento); }
.azioni { margin-left: auto; display: flex; gap: 2px; opacity: .35; transition: opacity .15s; }
.msg:hover .azioni, .azioni:focus-within { opacity: 1; }
@media (hover: none) { .azioni { opacity: .8; } }
button.icona { background: none; color: var(--tenue); padding: 2px 6px; font-size: 15px; }
.tavolozza {
  position: absolute; right: 0; bottom: 100%; display: flex; gap: 2px; z-index: 5;
  background: var(--carta); border: 1px solid var(--bordo); border-radius: 20px; padding: 4px 6px;
  box-shadow: 0 4px 14px rgba(0,0,0,.12);
}
.tavolozza button { background: none; padding: 2px 5px; font-size: 18px; }

#f-scrivi { border-top: 1px solid var(--bordo); background: var(--carta); padding: 8px 16px calc(8px + env(safe-area-inset-bottom)); }
#in-risposta, #in-modifica {
  display: flex; justify-content: space-between; font-size: 13px; color: var(--tenue);
  border-left: 3px solid var(--accento); padding: 2px 8px; margin-bottom: 6px;
}
.riga-scrivi { display: flex; gap: 8px; align-items: flex-end; }
.riga-scrivi textarea { resize: none; max-height: 200px; }
#btn-invia { padding: 9px 14px; }

/* Telefono: originale sopra, traduzione sotto */
@media (max-width: 640px) {
  .intestazioni { display: none; }
  .colonne { grid-template-columns: 1fr; gap: 6px; }
  .col.tradotta { border-left: 0; padding-left: 0; border-top: 1px dashed var(--bordo); padding-top: 6px; }
  #messaggi { padding: 10px; }
}
button.pericolo { background: #c62828; margin-top: 12px; }
hr { border: 0; border-top: 1px solid var(--bordo); margin: 16px 0; }