:root {
  --bg: #f3f5f8; --card: #ffffff; --text: #1c2430; --muted: #6a7686; --line: #e2e7ee;
  --primary: #1f4e79; --primary-text: #ffffff;
  --red: #c0392b; --red-bg: #fdecea; --green: #1e8449; --green-bg: #e6f4ea;
  --radius: 14px; --shadow: 0 1px 3px rgba(20, 30, 50, .12);
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #11161d; --card: #1b222c; --text: #e8edf3; --muted: #93a0b0; --line: #2b3441;
    --primary: #4f8fcf; --primary-text: #0b1117;
    --red: #ff8a7a; --red-bg: #3a1f1c; --green: #6fd29a; --green-bg: #17301f;
    --shadow: none;
  }
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  font: 16px/1.4 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--bg); color: var(--text);
  padding-bottom: calc(76px + env(safe-area-inset-bottom));
}
.top { display: flex; align-items: baseline; justify-content: space-between; gap: 8px;
  padding: calc(12px + env(safe-area-inset-top)) 16px 10px; background: var(--primary); color: var(--primary-text); }
.top h1 { margin: 0; font-size: 1.2rem; }
.top .muted { color: inherit; opacity: .8; font-size: .8rem; }
main { max-width: 760px; margin: 0 auto; padding: 12px 16px 24px; }
h2 { font-size: 1.05rem; margin: 0 0 8px; }
.muted { color: var(--muted); }
.small { font-size: .85rem; }

.card { background: var(--card); border-radius: var(--radius); box-shadow: var(--shadow); padding: 14px; margin: 0 0 14px; }

/* saldo */
.persons { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin: 10px 0; }
.person { border-radius: 12px; padding: 10px 6px; text-align: center; background: var(--bg); }
.person.neg { background: var(--red-bg); color: var(--red); }
.person.pos { background: var(--green-bg); color: var(--green); }
.pname { font-weight: 600; }
.pamt { font-size: 1.25rem; font-weight: 700; margin: 2px 0; white-space: nowrap; }
.plabel { font-size: .78rem; }
.pspent { font-size: .72rem; color: var(--muted); margin-top: 4px; }
.transfer { display: flex; align-items: center; justify-content: space-between; gap: 8px; padding: 10px 0; border-top: 1px solid var(--line); flex-wrap: wrap; }
.transfer .who { font-weight: 600; }
.transfer .amt { font-weight: 700; font-size: 1.1rem; }
.ok { text-align: center; color: var(--green); font-weight: 600; padding: 8px 0 2px; }

/* lista */
.list { list-style: none; margin: 0; padding: 0; }
.row { display: flex; gap: 10px; align-items: center; justify-content: space-between; padding: 10px 2px; border-bottom: 1px solid var(--line); cursor: pointer; }
.row:last-child { border-bottom: 0; }
.row .main { min-width: 0; }
.row .note { font-weight: 600; overflow: hidden; text-overflow: ellipsis; }
.row .meta { color: var(--muted); font-size: .8rem; }
.tag { display: inline-block; background: var(--bg); border-radius: 999px; padding: 0 8px; font-size: .75rem; margin-left: 4px; }
.row .amt { font-weight: 700; white-space: nowrap; text-align: right; }
.row .amt small { display: block; font-weight: 400; color: var(--muted); font-size: .75rem; }
.amt.out { color: var(--red); } .amt.in { color: var(--green); } .amt.tr { color: var(--text); }

/* controlli */
button, select, input, textarea { font: inherit; color: inherit; }
button.btn { background: var(--primary); color: var(--primary-text); border: 0; border-radius: 10px; padding: 10px 14px; font-weight: 600; cursor: pointer; }
button.btn.secondary { background: var(--bg); color: var(--text); border: 1px solid var(--line); }
button.btn.danger { background: var(--red-bg); color: var(--red); }
button.btn.small { padding: 6px 10px; font-size: .85rem; }
input, select, textarea { width: 100%; background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 10px 12px; }
label { display: block; font-size: .8rem; color: var(--muted); margin: 12px 0 4px; }
.filters { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-bottom: 10px; }
.filters .full { grid-column: 1 / -1; }

.fab { position: fixed; right: 18px; bottom: calc(80px + env(safe-area-inset-bottom)); width: 58px; height: 58px; border-radius: 50%;
  border: 0; background: var(--primary); color: var(--primary-text); font-size: 2rem; line-height: 1; box-shadow: 0 4px 12px rgba(0,0,0,.3); cursor: pointer; z-index: 5; }
.tabs { position: fixed; left: 0; right: 0; bottom: 0; display: grid; grid-template-columns: repeat(4, 1fr); background: var(--card);
  border-top: 1px solid var(--line); padding-bottom: env(safe-area-inset-bottom); z-index: 4; }
.tabs button { background: none; border: 0; padding: 8px 0 6px; font-size: .75rem; color: var(--muted); cursor: pointer; }
.tabs button span { display: block; font-size: 1.3rem; }
.tabs button.active { color: var(--primary); font-weight: 700; }

/* scheda inserimento */
dialog { border: 0; border-radius: 18px 18px 0 0; padding: 0; width: min(560px, 100%); max-height: 92vh; margin: auto auto 0; background: var(--card); color: var(--text); }
dialog::backdrop { background: rgba(0,0,0,.45); }
#entryForm { padding: 16px 16px calc(16px + env(safe-area-inset-bottom)); }
@media (min-width: 700px) { dialog { margin: auto; border-radius: 18px; } }
.seg { display: flex; gap: 6px; }
.seg button { flex: 1; border: 1px solid var(--line); background: var(--bg); border-radius: 10px; padding: 10px 4px; cursor: pointer; font-weight: 600; }
.seg button.on { background: var(--primary); color: var(--primary-text); border-color: var(--primary); }
.amount-input { font-size: 1.6rem; font-weight: 700; text-align: center; }
.actions { display: flex; gap: 8px; margin-top: 16px; }
.actions .btn { flex: 1; }
.err { color: var(--red); font-size: .85rem; min-height: 1.2em; margin-top: 8px; }
.adv { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 8px; }

.toast { position: fixed; left: 50%; transform: translateX(-50%); bottom: calc(150px + env(safe-area-inset-bottom)); background: #222; color: #fff;
  padding: 10px 16px; border-radius: 999px; z-index: 20; font-size: .9rem; max-width: 90%; }
.empty { text-align: center; color: var(--muted); padding: 24px 0; }
.login { max-width: 360px; margin: 14vh auto 0; }
.cat-row { display: flex; align-items: center; gap: 8px; padding: 8px 0; border-bottom: 1px solid var(--line); }
.cat-row .grow { flex: 1; }
.cat-row.obsolete .grow { color: var(--muted); text-decoration: line-through; }
.cat-row { flex-wrap: wrap; }

/* lettera dell'autore del movimento */
.badge { flex: 0 0 auto; width: 44px; height: 44px; border-radius: 12px; display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: 1.7rem; font-weight: 800; line-height: 1; background: var(--c, #607d8b); }
.badge span { text-shadow: 0 1px 2px rgba(0,0,0,.35); }
.badge.out { border-radius: 50%; }                                   /* uscita: cerchio */
.badge.in { border-radius: 6px; }                                    /* entrata: quadrato */
.badge.tr { clip-path: polygon(50% 0, 100% 50%, 50% 100%, 0 50%); }  /* trasferimento: rombo */
.badge.tr span { font-size: 1.25rem; }
.totals { display: flex; gap: 8px; margin: 8px 0; flex-wrap: wrap; }
.totals > div { flex: 1 1 90px; background: var(--bg); border: 1px solid var(--line); border-radius: 10px; padding: 6px 10px; }
.totals span { display: block; font-size: .75rem; color: var(--muted); }
.totals b { font-size: 1.05rem; }
.totals b.out { color: var(--neg, #c0392b); } .totals b.in { color: var(--pos, #1e8449); }
.badge.multi { background: var(--bg); border: 1px solid var(--line); font-size: 1.05rem; gap: 1px; flex-wrap: wrap; align-content: center; }
.badge.multi span { font-weight: 800; }
.row .main { flex: 1; }