:root {
  --primary: #3B82F6;
  --bg: #f3f4f6;
  --card: #ffffff;
  --text: #1f2937;
  --muted: #6b7280;
  --border: #e5e7eb;
  --today: #eff6ff;
  --danger: #DC2626;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, "Segoe UI", Arial, sans-serif;
  height: 100%;
  /* evita lo zoom automatico iOS sul focus degli input e il bounce laterale */
  -webkit-text-size-adjust: 100%;
  overscroll-behavior-x: none;
}

#app {
  max-width: 480px;
  margin: 0 auto;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  /* rispetta le safe-area di iPhone (notch / home indicator) quando l'app è a schermo intero */
  padding-top: env(safe-area-inset-top);
  padding-bottom: env(safe-area-inset-bottom);
}

[hidden] { display: none !important; }

/* ---------- Header ---------- */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px;
  background: var(--card);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: env(safe-area-inset-top);
  z-index: 5;
}

.topbar h1 {
  font-size: 17px;
  margin: 0;
}

.topbar .greeting {
  font-size: 12px;
  color: var(--muted);
}

.icon-btn {
  background: none;
  border: none;
  font-size: 20px;
  padding: 6px 8px;
  cursor: pointer;
  color: var(--text);
  line-height: 1;
}

.icon-btn.active { color: var(--primary); }
.icon-btn:disabled { opacity: .35; cursor: default; }

.toast {
  position: fixed;
  left: 50%;
  bottom: calc(24px + env(safe-area-inset-bottom));
  transform: translateX(-50%);
  max-width: calc(100% - 48px);
  background: #1f2937;
  color: #fff;
  padding: 12px 18px;
  border-radius: 10px;
  font-size: 13px;
  text-align: center;
  box-shadow: 0 4px 16px rgba(0,0,0,.2);
  z-index: 20;
}

/* ---------- Login ---------- */
.login-screen {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 24px;
}

.login-card {
  background: var(--card);
  border-radius: 16px;
  padding: 28px 24px;
  box-shadow: 0 4px 16px rgba(0,0,0,.08);
}

.login-card .logo {
  font-size: 44px;
  text-align: center;
  margin-bottom: 4px;
}

.login-card h1 {
  font-size: 22px;
  text-align: center;
  margin: 0 0 24px;
}

label {
  display: block;
  font-size: 13px;
  color: var(--muted);
  margin: 14px 0 6px;
}

input[type=text], input[type=password], input[type=email], textarea {
  width: 100%;
  padding: 12px 14px;
  border-radius: 10px;
  border: 1px solid var(--border);
  font-size: 16px; /* >=16px: evita lo zoom automatico di iOS Safari sul focus */
  background: #fafafa;
  color: var(--text);
}

input:focus, textarea:focus { outline: 2px solid var(--primary); background: #fff; }

button.primary {
  width: 100%;
  margin-top: 20px;
  padding: 14px;
  border: none;
  border-radius: 12px;
  background: var(--primary);
  color: #fff;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
}

button.primary:disabled { opacity: .6; }

button.link {
  display: block;
  width: 100%;
  margin-top: 14px;
  background: none;
  border: none;
  color: var(--primary);
  font-size: 14px;
  cursor: pointer;
  text-align: center;
}

.error-text {
  color: var(--danger);
  font-size: 13px;
  margin-top: 12px;
  text-align: center;
}

.info-text {
  color: var(--muted);
  font-size: 13px;
  margin-top: 12px;
  text-align: center;
  line-height: 1.5;
}

/* ---------- Calendar nav ---------- */
.cal-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 16px;
  background: var(--card);
  border-bottom: 1px solid var(--border);
}

.cal-nav .title {
  font-size: 15px;
  font-weight: 600;
  flex: 1;
  text-align: center;
}

.cal-nav button {
  background: none;
  border: none;
  font-size: 18px;
  padding: 4px 10px;
  cursor: pointer;
  color: var(--primary);
}

.cal-toolbar {
  display: flex;
  gap: 8px;
  padding: 10px 16px;
  background: var(--card);
  border-bottom: 1px solid var(--border);
}

.pill-btn {
  flex: 1;
  padding: 8px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: #fafafa;
  color: var(--text);
  font-size: 13px;
  cursor: pointer;
}

.pill-btn.active {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

.content {
  flex: 1;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}

/* ---------- Week view ---------- */
.day-section {
  background: var(--card);
  border-bottom: 1px solid var(--border);
  padding: 12px 16px;
  cursor: pointer;
}

.day-section.today { background: var(--today); }

.day-section .day-header {
  display: flex;
  justify-content: space-between;
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 6px;
}

.day-section .day-header .name { font-weight: 600; color: var(--text); text-transform: capitalize; }

.event-row {
  font-size: 14px;
  padding: 4px 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.event-row .dot {
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--primary);
  margin-right: 8px;
}

.day-section .empty { font-size: 13px; color: var(--muted); font-style: italic; }

/* ---------- Month view ---------- */
.month-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  background: var(--card);
}

.month-weekday {
  text-align: center;
  font-size: 11px;
  color: var(--muted);
  padding: 8px 0;
  text-transform: uppercase;
}

.month-cell {
  aspect-ratio: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border-top: 1px solid var(--border);
  cursor: pointer;
  position: relative;
}

.month-cell .num { font-size: 14px; }
.month-cell.spillover .num { color: #cbd5e1; }
.month-cell.today .num {
  background: var(--primary);
  color: #fff;
  border-radius: 50%;
  width: 26px;
  height: 26px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.month-cell .has-events {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--primary);
  margin-top: 3px;
}

/* ---------- Day detail ---------- */
.day-detail-header {
  padding: 16px;
  background: var(--card);
  border-bottom: 1px solid var(--border);
  font-size: 16px;
  font-weight: 600;
  text-transform: capitalize;
}

.event-card {
  background: var(--card);
  margin: 10px 16px;
  padding: 14px;
  border-radius: 12px;
  box-shadow: 0 1px 4px rgba(0,0,0,.06);
}

.event-card .time {
  font-size: 12px;
  color: var(--primary);
  font-weight: 600;
  margin-bottom: 4px;
}

.event-card .title { font-size: 15px; white-space: pre-wrap; }

.event-card .body { font-size: 13px; color: var(--muted); white-space: pre-wrap; margin-top: 6px; }

.centered-msg {
  text-align: center;
  color: var(--muted);
  padding: 40px 20px;
  font-size: 14px;
}

.spinner-wrap { text-align: center; padding: 30px; color: var(--muted); font-size: 13px; }

/* ---------- Amministrazione utenti ---------- */
.user-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  background: var(--card);
  margin: 8px 16px;
  padding: 12px 14px;
  border-radius: 12px;
  box-shadow: 0 1px 4px rgba(0,0,0,.06);
}

.user-row .info { min-width: 0; }
.user-row .username { font-size: 14px; font-weight: 600; }
.user-row .meta { font-size: 12px; color: var(--muted); margin-top: 2px; }
.user-row.inactive .username { color: var(--muted); text-decoration: line-through; }

.badge {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  color: var(--primary);
  border: 1px solid var(--primary);
  border-radius: 6px;
  padding: 1px 6px;
  margin-left: 6px;
}

.user-row .actions { display: flex; gap: 6px; flex-shrink: 0; }

.toggle-btn {
  flex-shrink: 0;
  padding: 8px 12px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: #fafafa;
  font-size: 12px;
  cursor: pointer;
}
.toggle-btn.deactivate { color: var(--danger); border-color: var(--danger); }
.toggle-btn.activate { color: var(--primary); border-color: var(--primary); }
.toggle-btn:disabled { opacity: .4; cursor: default; }

.checkbox-label { display: flex; align-items: center; gap: 8px; margin-top: 12px; cursor: pointer; }
.checkbox-label input { width: auto; margin: 0; }

textarea { resize: vertical; font-family: inherit; }

/* Nuova comunicazione (admin) */
.compose-quick { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 6px; }
.compose-recipients { max-height: 260px; overflow-y: auto; border: 1px solid var(--border); border-radius: 10px; padding: 0 10px 10px; }
.compose-recipients .checkbox-label { margin-top: 10px; font-size: 14px; color: var(--text); }
.compose-recipients .meta { font-size: 12px; color: var(--muted); }
.compose-preview { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 8px; }
.compose-preview .thumb { position: relative; width: 72px; height: 72px; }
.compose-preview .thumb img { width: 100%; height: 100%; object-fit: cover; border-radius: 8px; }
.compose-preview .thumb button {
  position: absolute; top: -6px; right: -6px; width: 22px; height: 22px; border-radius: 50%;
  border: none; background: var(--danger); color: #fff; font-size: 14px; line-height: 22px; padding: 0; cursor: pointer;
}
.section-title { font-size: 14px; color: var(--muted); margin: 18px 16px 0; font-weight: 600; }

/* Contenuto esteso di una notifica */
.notifica-article { background: var(--card); margin: 10px 16px; padding: 16px; border-radius: 12px; box-shadow: 0 1px 4px rgba(0,0,0,.06); }
.notifica-article .time { font-size: 12px; color: var(--primary); font-weight: 600; }
.notifica-article h1 { font-size: 20px; margin: 6px 0 12px; }
.notifica-text { font-size: 15px; line-height: 1.5; white-space: pre-wrap; overflow-wrap: anywhere; }
.notifica-img { display: block; max-width: 100%; height: auto; border-radius: 10px; margin-top: 14px; }
.event-card.clickable { cursor: pointer; }
.event-card .open-hint { font-size: 12px; color: var(--primary); font-weight: 600; margin-top: 8px; text-align: right; }