:root {
  --bg: #f4f6fb;
  --sidebar: #ffffff;
  --card: #ffffff;
  --card-2: #f6f8fc;
  --border: #e6e9f1;
  --border-2: #dfe3ec;
  --text: #1f2532;
  --text-dim: #757d8e;
  --primary: #6b5cff;
  --primary-2: #8a7bff;
  --primary-soft: #eeecff;
  --green: #10b981;
  --green-soft: #e7f8f1;
  --danger: #f0475b;
  --wa: #25d366;
  --radius: 14px;
  --shadow: 0 1px 3px rgba(24,32,54,0.06), 0 6px 20px rgba(24,32,54,0.05);
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: 'Inter', system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
}

/* ======================= Layout app ======================= */
.app { display: flex; min-height: 100vh; }

.sidebar {
  width: 272px;
  flex-shrink: 0;
  background: var(--sidebar);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  padding: 18px 14px;
  position: sticky;
  top: 0;
  height: 100vh;
}
.sidebar-head { display: flex; align-items: center; justify-content: space-between; padding: 4px 6px 16px; }
.logo { font-family: 'Fredoka', sans-serif; font-weight: 700; font-size: 20px; color: var(--text); }
.chiudi-sidebar { display: none; background: none; border: none; font-size: 18px; color: var(--text-dim); cursor: pointer; }

.collette-list { flex: 1; overflow-y: auto; display: flex; flex-direction: column; gap: 8px; }
.colletta-voce {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid transparent;
  text-decoration: none;
  color: var(--text);
  transition: background 0.14s, border-color 0.14s;
}
.colletta-voce:hover { background: var(--card-2); }
.colletta-voce.attiva { background: var(--primary-soft); border-color: color-mix(in srgb, var(--primary) 30%, transparent); }
.cv-titolo { font-weight: 600; font-size: 15px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.cv-totale { font-size: 13px; color: var(--text-dim); font-weight: 600; }
.colletta-voce.attiva .cv-totale { color: var(--primary); }

.btn-nuova {
  margin-top: 12px;
  padding: 12px;
  border: 1px dashed var(--border-2);
  background: transparent;
  border-radius: 12px;
  color: var(--primary);
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
}
.btn-nuova:hover { background: var(--primary-soft); border-color: var(--primary); }
.esci-link {
  margin-top: 10px;
  text-align: center;
  padding: 10px;
  color: var(--text-dim);
  text-decoration: none;
  font-size: 13px;
  border-radius: 10px;
}
.esci-link:hover { background: var(--card-2); color: var(--text); }

.backdrop {
  display: none;
  position: fixed; inset: 0;
  background: rgba(20,25,40,0.4);
  z-index: 30;
}

/* ======================= Colonna principale ======================= */
.main { flex: 1; min-width: 0; display: flex; flex-direction: column; }

.main-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
}
.topbar {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 20px 8px;
  max-width: 760px;
  margin: 0 auto;
  width: 100%;
}
.apri-sidebar {
  display: none;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  width: 40px; height: 40px;
  font-size: 18px;
  cursor: pointer;
  flex-shrink: 0;
}
.titolo-input {
  flex: 1;
  min-width: 0;
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--text);
  font-family: 'Fredoka', sans-serif;
  font-weight: 700;
  font-size: 26px;
  padding: 4px 2px;
}
.titolo-input:focus { outline: none; border-bottom-color: var(--primary); }
.btn-elimina-colletta {
  flex-shrink: 0;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  width: 40px; height: 40px;
  font-size: 16px;
  cursor: pointer;
}
.btn-elimina-colletta:hover { border-color: var(--danger); background: color-mix(in srgb, var(--danger) 8%, var(--card)); }

.totale-bar {
  max-width: 760px;
  margin: 0 auto 0;
  width: 100%;
  padding: 6px 20px 16px;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
}
.totale-label { color: var(--text-dim); font-size: 14px; font-weight: 500; }
.totale-cifra {
  font-family: 'Fredoka', sans-serif;
  font-weight: 700;
  font-size: 34px;
  color: var(--green);
}

.contenuto { max-width: 760px; margin: 0 auto; width: 100%; padding: 20px; }

/* ======================= Persone ======================= */
.persona {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 14px;
  margin-bottom: 12px;
}
.persona-top { display: flex; gap: 8px; align-items: center; margin-bottom: 10px; }
.f-nome {
  flex: 1;
  background: transparent;
  border: none;
  color: var(--text);
  font-size: 17px;
  font-weight: 600;
  padding: 4px 2px;
  border-bottom: 1px solid transparent;
}
.f-nome:focus { outline: none; border-bottom-color: var(--primary); }
.btn-elimina {
  flex-shrink: 0;
  width: 30px; height: 30px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--text-dim);
  font-size: 13px;
  cursor: pointer;
}
.btn-elimina:hover { border-color: var(--danger); color: var(--danger); }

.tel-row { display: flex; gap: 8px; margin-bottom: 10px; }
.f-telefono {
  flex: 1;
  background: var(--card-2);
  border: 1px solid var(--border);
  border-radius: 12px;
  color: var(--text);
  font-size: 16px;
  padding: 11px 12px;
}
.f-telefono:focus { outline: none; border-color: var(--primary); background: var(--card); }
.btn-rubrica, .btn-whatsapp {
  flex-shrink: 0;
  width: 46px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--card-2);
  font-size: 20px;
  cursor: pointer;
  transition: transform 0.1s;
}
.btn-whatsapp { background: color-mix(in srgb, var(--wa) 14%, #fff); border-color: color-mix(in srgb, var(--wa) 40%, transparent); }
.btn-rubrica:active, .btn-whatsapp:active { transform: scale(0.92); }

.soldi-row { display: flex; gap: 8px; }
.importo-wrap { position: relative; flex: 1; }
.f-importo {
  width: 100%;
  background: var(--green-soft);
  border: 1px solid color-mix(in srgb, var(--green) 25%, transparent);
  border-radius: 12px;
  color: var(--green);
  font-size: 18px;
  font-weight: 700;
  padding: 11px 34px 11px 12px;
  font-family: 'Fredoka', sans-serif;
}
.f-importo:focus { outline: none; border-color: var(--green); }
.euro { position: absolute; right: 12px; top: 50%; transform: translateY(-50%); color: var(--green); font-weight: 700; pointer-events: none; }
.f-metodo {
  flex: 0 0 42%;
  background: var(--card-2);
  border: 1px solid var(--border);
  border-radius: 12px;
  color: var(--text);
  font-size: 15px;
  padding: 11px 12px;
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'><path fill='%23757d8e' d='M2 4l4 4 4-4'/></svg>");
  background-repeat: no-repeat;
  background-position: right 12px center;
}
.f-metodo:focus { outline: none; border-color: var(--primary); }

/* Bottoni azione */
.btn-aggiungi, .btn-immagine {
  width: 100%;
  border-radius: 14px;
  padding: 15px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  margin-top: 8px;
}
.btn-aggiungi {
  background: var(--card);
  border: 1px dashed var(--border-2);
  color: var(--text-dim);
}
.btn-aggiungi:hover { border-color: var(--primary); color: var(--primary); }
.btn-immagine {
  margin-top: 16px;
  border: none;
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  color: #fff;
  font-weight: 700;
  box-shadow: 0 8px 20px rgba(107,92,255,0.28);
}
.btn-immagine:active { transform: scale(0.99); }

/* Toast */
.toast {
  position: fixed;
  left: 50%;
  bottom: 24px;
  transform: translate(-50%, 30px);
  background: #1f2532;
  color: #fff;
  padding: 12px 18px;
  border-radius: 12px;
  font-size: 14px;
  max-width: 90%;
  text-align: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s, transform 0.2s;
  z-index: 60;
  box-shadow: 0 12px 30px rgba(0,0,0,0.25);
}
.toast.mostra { opacity: 1; transform: translate(-50%, 0); }

/* ======================= Responsive (drawer) ======================= */
@media (max-width: 820px) {
  .sidebar {
    position: fixed;
    top: 0; left: 0; bottom: 0;
    z-index: 40;
    width: 280px;
    transform: translateX(-100%);
    transition: transform 0.22s ease;
    box-shadow: 0 0 40px rgba(0,0,0,0.15);
  }
  .sidebar.aperta { transform: translateX(0); }
  .chiudi-sidebar { display: block; }
  .backdrop.mostra { display: block; }
  .apri-sidebar { display: flex; align-items: center; justify-content: center; }
  .titolo-input { font-size: 22px; }
  .totale-cifra { font-size: 28px; }
}

/* ======================= Login / registrazione MFA ======================= */
.auth-wrap { max-width: 420px; margin: 40px auto 0; padding: 0 16px; }
.auth-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 30px 24px;
}
.auth-emoji { font-size: 40px; text-align: center; }
.auth-card h1 { font-family: 'Fredoka', sans-serif; font-size: 26px; text-align: center; margin: 6px 0 4px; }
.auth-sub { color: var(--text-dim); font-size: 14px; text-align: center; margin-bottom: 22px; }
.auth-card form { display: flex; flex-direction: column; gap: 15px; }
.auth-card label { display: flex; flex-direction: column; gap: 7px; font-size: 13px; color: var(--text-dim); font-weight: 500; }
.auth-card input {
  background: var(--card-2);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 13px 14px;
  color: var(--text);
  font-size: 16px;
  font-family: inherit;
}
.auth-card input:focus { outline: none; border-color: var(--primary); }
.auth-btn {
  border: none;
  border-radius: 12px;
  padding: 14px;
  font-size: 16px;
  font-weight: 700;
  cursor: pointer;
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  color: #fff;
  margin-top: 4px;
}
.auth-btn:active { transform: scale(0.99); }
.auth-link { display: block; text-align: center; margin-top: 16px; color: var(--primary); text-decoration: none; font-size: 14px; }
.auth-hint { display: block; text-align: center; margin-top: 14px; color: var(--primary); text-decoration: none; font-size: 14px; font-weight: 600; }
.auth-flash {
  background: color-mix(in srgb, var(--danger) 10%, #fff);
  border: 1px solid color-mix(in srgb, var(--danger) 40%, transparent);
  color: #b3243a;
  border-radius: 12px;
  padding: 11px 14px;
  margin-bottom: 18px;
  font-size: 14px;
  text-align: center;
}
.qr-box { display: flex; justify-content: center; background: #fff; border: 1px solid var(--border); border-radius: 14px; padding: 16px; margin: 8px 0 4px; }
.qr-img { width: 240px; height: 240px; image-rendering: pixelated; }
.qr-manuale { margin-top: 14px; font-size: 13px; color: var(--text-dim); }
.qr-manuale summary { cursor: pointer; }
.qr-chiave {
  display: block; margin-top: 10px; padding: 10px 12px;
  background: var(--card-2); border: 1px solid var(--border); border-radius: 10px;
  color: var(--primary); font-family: ui-monospace, monospace; letter-spacing: 2px;
  word-break: break-all; text-align: center;
}