:root {
  --c-presence: #34a853;
  --c-smart: #cfe3fb;
  --c-absence: #f4a340;
  --c-sim: #7b61ff;
  --c-holiday: #e8e8ed;

  --text-primary: #1d1d1f;
  --text-secondary: #5f6368;
  --text-tertiary: #9aa0a6;
  --bg: #ffffff;
  --bg-secondary: #fafafa;
  --bg-tertiary: #f1f3f4;
  --border: #dadce0;
  --accent: #1a73e8;
  --red-bg: #fde8e7;
  --red-text: #a50e0e;
  --yellow-bg: #fef7e0;
  --yellow-text: #7a5300;

  --cell: 34px;
  --gap: 4px;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text-primary);
  font: 14px/1.4 system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
}

.muted { color: var(--text-secondary); }

.btn {
  font: inherit;
  padding: 5px 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg);
  color: var(--text-primary);
  cursor: pointer;
  white-space: nowrap;
}
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn:disabled { opacity: .6; cursor: default; }
.link { font: inherit; padding: 0; border: 0; background: none; color: inherit; text-decoration: underline; cursor: pointer; }

/* Login */
.login { min-height: 100vh; display: grid; place-items: center; padding: 16px; background: var(--bg-tertiary); }
.login-card {
  width: 100%; max-width: 320px; display: flex; flex-direction: column; gap: 12px;
  background: var(--bg); border: 1px solid var(--border); border-radius: 12px; padding: 24px;
}
.login-card h1 { margin: 0; font-size: 20px; }
.login-card p { margin: 0; }
.login-card label { display: flex; flex-direction: column; gap: 4px; font-size: 13px; color: var(--text-secondary); }
.login-card input, .login-card select {
  font: inherit; padding: 7px 9px; border: 1px solid var(--border); border-radius: 6px; color: var(--text-primary); background: var(--bg);
}
.form-error { color: var(--red-text); font-size: 13px; }

/* Barra superiore */
.topbar {
  display: flex; flex-wrap: wrap; align-items: center; gap: 8px 12px;
  margin: 12px 16px 0; padding: 8px 12px; background: var(--bg-tertiary); border-radius: 8px; font-size: 13px;
}
.topbar .spacer { flex: 1; }
.pill { padding: 3px 10px; border: 1px solid var(--border); border-radius: 6px; background: var(--bg-secondary); }

.content { padding: 12px 16px 32px; }
.loading { padding: 24px 0; color: var(--text-secondary); }

/* Riepilogo */
.kpis { display: grid; grid-template-columns: repeat(5, 1fr); gap: 8px; margin-bottom: 12px; }
.kpi { background: var(--bg-secondary); border: 1px solid var(--border); border-radius: 8px; padding: 8px 10px; min-width: 0; }
.kpi b { display: block; font-size: 22px; }
.kpi small { color: var(--text-secondary); font-size: 11px; }
.kpi.hl { border-color: var(--c-presence); }

.alert { padding: 8px 12px; border-radius: 6px; margin-bottom: 8px; font-size: 13px; }
.alert.red { background: var(--red-bg); color: var(--red-text); }
.alert.yellow { background: var(--yellow-bg); color: var(--yellow-text); }

/* Calendario + pannello di modifica */
.workspace { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 20px; align-items: start; }

.legend { display: flex; flex-wrap: wrap; gap: 6px 14px; font-size: 12px; color: var(--text-secondary); margin: 6px 0 14px; }
.legend span { display: inline-flex; align-items: center; gap: 6px; }
.legend .cell { width: 14px; height: 14px; font-size: 0; border-radius: 3px; }

.past { margin-bottom: 16px; }
.past summary {
  cursor: pointer; width: fit-content; padding: 6px 10px; border-radius: 6px;
  color: var(--text-secondary); font-size: 13px; background: var(--bg-tertiary);
}
.past[open] summary { margin-bottom: 14px; }
.past[open] { padding-bottom: 16px; border-bottom: 1px solid var(--border); }

.months {
  display: grid; gap: 20px 28px;
  grid-template-columns: repeat(auto-fill, minmax(calc(7 * var(--cell) + 6 * var(--gap)), 1fr));
}
.month h3 { margin: 0 0 6px; font-size: 14px; }
.grid { display: grid; grid-template-columns: repeat(7, var(--cell)); gap: var(--gap); }
.dh {
  display: flex; align-items: center; justify-content: center; height: 22px;
  font: inherit; font-size: 11px; color: var(--text-tertiary); border: 0; padding: 0; background: none; border-radius: 4px;
}
button.dh { cursor: pointer; color: var(--text-secondary); font-weight: 600; }

.cell {
  position: relative; width: var(--cell); height: var(--cell); border-radius: 6px;
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 13px; font-style: normal; color: var(--text-primary); border: 0; padding: 0;
}
button.cell { cursor: pointer; font-family: inherit; }
.s-smart { background: var(--c-smart); }
.s-pres { background: var(--c-presence); color: #fff; }
.s-book { background: var(--bg); box-shadow: inset 0 0 0 2px var(--c-presence); }
.s-abs { background: var(--c-absence); }
.s-hol { background: var(--c-holiday); color: var(--text-tertiary); }
.s-plan { background: var(--bg); }
.cell.sim { box-shadow: inset 0 0 0 2px var(--c-sim); }
.cell.expired::before {
  content: ''; position: absolute; inset: 0; border: 1.5px dashed var(--c-sim); border-radius: inherit;
}
.cell.rol::after {
  content: ''; position: absolute; right: 3px; top: 3px; width: 6px; height: 6px; border-radius: 50%; background: var(--c-absence);
}
.legend .cell.rol::after { right: 1px; top: 1px; width: 4px; height: 4px; }
.cell.s-abs.rol::after { background: #fff; }
.cell.today { outline: 2px solid var(--text-primary); outline-offset: 1px; }
.cell.selected { outline: 3px solid var(--accent); outline-offset: 1px; z-index: 1; font-weight: 700; }
.cell.viewing { outline: 2px dashed var(--accent); outline-offset: 1px; z-index: 1; }
.cell:focus-visible, .dh:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
@media (hover: hover) {
  .cell.ed:hover { filter: brightness(.93); }
  button.dh:hover { background: var(--bg-tertiary); color: var(--accent); }
}

.panel {
  position: sticky; top: 12px; max-height: calc(100vh - 24px); overflow: auto;
  padding: 14px; background: var(--bg-secondary); border: 1px solid var(--border); border-radius: 12px; font-size: 13px;
}
.panel.open { background: var(--bg); box-shadow: 0 4px 16px rgba(0, 0, 0, .08); }
.panel .hint { margin: 0; color: var(--text-secondary); line-height: 1.5; }
.panel .hint b { color: var(--text-primary); }
.panel-head { display: flex; justify-content: space-between; align-items: center; gap: 8px; margin-bottom: 2px; }
.panel-head h4 { margin: 0; font-size: 15px; }
.btn.ghost { border-color: transparent; background: none; color: var(--accent); padding: 4px 6px; }
.panel .src { color: var(--text-secondary); font-size: 12px; margin: 0 0 10px; }
.panel .note { margin: 8px 0 0; }
.panel .opt { display: flex; align-items: center; gap: 8px; padding: 5px 0; cursor: pointer; }
.panel .opt input { margin: 0; width: 16px; height: 16px; }
.panel .hours { margin: 0 0 4px 24px; display: flex; gap: 6px; align-items: center; font-size: 12px; color: var(--text-secondary); }
.panel .hours input { width: 56px; font: inherit; padding: 4px 6px; border: 1px solid var(--border); border-radius: 6px; }
.panel .skip { margin: 10px 0 0; padding: 6px 8px; background: var(--yellow-bg); color: var(--yellow-text); border-radius: 6px; font-size: 12px; }
.panel .delta { margin-top: 10px; padding: 6px 8px; background: var(--bg-tertiary); border-radius: 6px; font-size: 12px; }
.panel .act { display: flex; justify-content: space-between; align-items: center; gap: 8px; margin-top: 12px; }
.panel .act .kbd { color: var(--text-secondary); font-size: 11px; }
.panel .act .btn.primary { padding: 7px 14px; }
.panel .form-error { margin: 8px 0 0; }
.panel dl { margin: 0; display: grid; grid-template-columns: auto 1fr; gap: 2px 10px; }
.panel dt { color: var(--text-secondary); }
.panel dd { margin: 0; }

@media (max-width: 1100px) {
  .kpis { grid-template-columns: repeat(3, 1fr); }
}

/* Sotto i 900px il pannello diventa un foglio in fondo allo schermo, visibile solo con qualcosa selezionato. */
@media (max-width: 900px) {
  .workspace { grid-template-columns: minmax(0, 1fr); }
  .panel {
    position: fixed; z-index: 10; left: 0; right: 0; bottom: 0; top: auto; max-height: 65vh;
    border-radius: 14px 14px 0 0; border-bottom: 0; padding: 14px 16px calc(14px + env(safe-area-inset-bottom));
    box-shadow: 0 -6px 24px rgba(0, 0, 0, .15);
  }
  .panel:not(.open) { display: none; }
  body.sheet-open .content { padding-bottom: 50vh; }
  .panel .act .kbd { display: none; }
  .panel .act { justify-content: flex-end; }
  .panel .opt { padding: 7px 0; }
}

@media (max-width: 760px) {
  .kpis { grid-template-columns: repeat(2, 1fr); }
  .kpi.hl { order: -1; grid-column: 1 / -1; }
  .kpi b { font-size: 19px; }
}

/* Telefono: un mese per riga, celle che riempiono la larghezza (~44px, comode al tocco). */
@media (max-width: 600px) {
  .months { grid-template-columns: minmax(0, 440px); gap: 22px; }
  .grid { grid-template-columns: repeat(7, minmax(0, 1fr)); }
  .grid .cell { width: auto; height: auto; aspect-ratio: 1; font-size: 15px; }
  .dh { height: 26px; font-size: 12px; }
  .month h3 { font-size: 15px; }
  .topbar { margin: 8px 16px 0; }
  .topbar .spacer { display: none; }
  .topbar #fetched { order: 1; flex-basis: 100%; font-size: 12px; }
  .topbar .who { margin-left: auto; }
}