:root {
  /* Tema chiaro. I colori stanno tutti qui: per ritoccarlo basta questo blocco. */
  --bg: #f4f6fa;
  --bg-elev: #ffffff;
  --bg-elev-2: #eef1f7;
  --bg-sunken: #f7f9fc;
  --line: #dfe5ee;
  --line-strong: #c8d2e0;
  --text: #16202e;
  --text-dim: #5c6b80;
  --accent: #dd5c0a;
  --accent-hover: #c25008;
  --accent-soft: rgba(221, 92, 10, 0.10);
  --cool: #1f6feb;
  --ok: #10804a;
  --ok-soft: rgba(16, 128, 74, 0.10);
  --warn: #b45309;
  --err: #c8302a;
  --err-soft: rgba(200, 48, 42, 0.08);
  --radius: 16px;
  --shadow: 0 1px 2px rgba(22, 32, 46, 0.06), 0 6px 20px rgba(22, 32, 46, 0.07);
  --shadow-sm: 0 1px 2px rgba(22, 32, 46, 0.05);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  min-height: 100%;
}

body { padding: 0 16px env(safe-area-inset-bottom) 16px; }

.view { max-width: 1100px; margin: 0 auto; padding-bottom: 48px; }
[hidden] { display: none !important; }

/* ------------------------------------------------------------ login */

.view--login {
  min-height: 100dvh;
  display: grid;
  place-items: center;
  padding: 24px 0;
}

.login-card {
  width: min(380px, 100%);
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 32px 28px;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
}

.login-mark { font-size: 40px; text-align: center; line-height: 1; }
.login-card h1 { margin: 12px 0 2px; font-size: 24px; text-align: center; letter-spacing: -0.02em; }
.login-sub { margin: 0 0 24px; text-align: center; color: var(--text-dim); font-size: 14px; }

label {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-dim);
  margin-bottom: 6px;
}

input[type="text"], input[type="password"], input[type="number"] {
  background: var(--bg-sunken);
  border: 1px solid var(--line);
  border-radius: 10px;
  color: var(--text);
  padding: 12px 14px;
  font-size: 16px;
  margin-bottom: 18px;
  outline: none;
  transition: border-color 0.15s;
  width: 100%;
}

input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }

/* ------------------------------------------------------------ buttons */

.btn {
  border: 1px solid var(--line);
  background: var(--bg-elev-2);
  color: var(--text);
  border-radius: 10px;
  padding: 12px 16px;
  font-size: 15px;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s, opacity 0.15s;
  font-family: inherit;
}

.btn:hover:not(:disabled) { background: var(--bg-elev-2); border-color: var(--line-strong); }
.btn:disabled { opacity: 0.45; cursor: not-allowed; }

.btn--primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #ffffff;
  font-weight: 650;
  margin-top: 6px;
  box-shadow: var(--shadow-sm);
}
.btn--primary:hover:not(:disabled) { background: var(--accent-hover); border-color: var(--accent-hover); }

.btn--ghost {
  background: transparent;
  width: 42px;
  height: 42px;
  padding: 0;
  font-size: 18px;
  display: grid;
  place-items: center;
}

.error { color: var(--err); font-size: 14px; margin: 14px 0 0; text-align: center; }

/* ------------------------------------------------------------ topbar */

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 24px 0 18px;
  position: sticky;
  top: 0;
  background: linear-gradient(var(--bg) 78%, transparent);
  z-index: 5;
}

.topbar__title { display: flex; align-items: center; gap: 14px; min-width: 0; }
.topbar__mark { font-size: 28px; }
.topbar h1 { margin: 0; font-size: 21px; letter-spacing: -0.02em; }
.topbar__status { margin: 2px 0 0; color: var(--text-dim); font-size: 13px; }
.topbar__actions { display: flex; gap: 8px; flex-shrink: 0; }

.banner {
  background: var(--err-soft);
  border: 1px solid rgba(200, 48, 42, 0.30);
  color: var(--err);
  border-radius: 12px;
  padding: 12px 16px;
  font-size: 14px;
  margin: 0 0 18px;
}

.empty { color: var(--text-dim); text-align: center; padding: 48px 16px; font-size: 15px; }

/* ------------------------------------------------------------ zone cards */

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
}

.card {
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  box-shadow: var(--shadow);
  transition: opacity 0.2s;
}

.card--off { opacity: 0.72; }
.card--busy { opacity: 0.5; pointer-events: none; }
.card--error { border-color: rgba(200, 48, 42, 0.35); }

.card__head { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; }
.card__zone { margin: 0; font-size: 17px; font-weight: 650; letter-spacing: -0.01em; }
.card__device { margin: 3px 0 0; font-size: 12px; color: var(--text-dim); }

.pill {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 4px 9px;
  border-radius: 999px;
  border: 1px solid var(--line);
  color: var(--text-dim);
  white-space: nowrap;
  flex-shrink: 0;
}
.pill--on { color: var(--accent); border-color: var(--accent); background: var(--accent-soft); }
.pill--offline { color: var(--err); border-color: rgba(200, 48, 42, 0.35); background: var(--err-soft); }
.pill--heating { color: var(--ok); border-color: rgba(16, 128, 74, 0.35); background: var(--ok-soft); }

.readout { display: flex; align-items: baseline; gap: 10px; }
.readout__value { font-size: 44px; font-weight: 300; letter-spacing: -0.03em; line-height: 1; font-variant-numeric: tabular-nums; }
.readout__unit { font-size: 18px; color: var(--text-dim); }
.readout__label { margin-left: auto; font-size: 12px; color: var(--text-dim); text-align: right; }

/* Riquadro di sola lettura: la temperatura la decide il programma. */
.setpoint {
  background: var(--bg-sunken);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 18px 12px;
}

.setpoint--boost {
  background: var(--accent-soft);
  border-color: var(--accent);
}
.setpoint--boost .setpoint__value { color: var(--accent); letter-spacing: 0.08em; font-weight: 700; }
.setpoint--boost .setpoint__caption { color: var(--accent); }

.setpoint__value { text-align: center; font-size: 32px; font-weight: 500; font-variant-numeric: tabular-nums; letter-spacing: -0.02em; }
.setpoint__caption { display: block; font-size: 11px; color: var(--text-dim); text-transform: uppercase; letter-spacing: 0.08em; margin-top: 6px; font-weight: 400; }

.row { display: flex; gap: 8px; flex-wrap: wrap; }

.chip {
  flex: 1 1 auto;
  min-width: 72px;
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: var(--bg-elev);
  color: var(--text-dim);
  font-size: 13px;
  cursor: pointer;
  text-align: center;
  font-family: inherit;
}
.chip:hover:not(:disabled) { border-color: var(--accent); color: var(--text); }
.chip--active { background: var(--accent-soft); border-color: var(--accent); color: var(--accent); font-weight: 600; }

.toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  width: 100%;
  padding: 12px 14px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: var(--bg-sunken);
  color: var(--text);
  font-size: 14px;
  cursor: pointer;
  font-family: inherit;
}
.toggle__track { width: 46px; height: 26px; border-radius: 999px; background: var(--bg-elev-2); border: 1px solid var(--line-strong); position: relative; transition: background 0.18s; flex-shrink: 0; }
.toggle__knob { position: absolute; top: 2px; left: 2px; width: 20px; height: 20px; border-radius: 50%; background: #ffffff; box-shadow: var(--shadow-sm); transition: transform 0.18s, background 0.18s; }
.toggle--on .toggle__track { background: var(--accent); border-color: var(--accent); }
.toggle--on .toggle__knob { transform: translateX(20px); background: #ffffff; }

.card__error { color: var(--err); font-size: 13px; margin: 0; }

/* ------------------------------------------------------------ toast */

.toast {
  position: fixed;
  left: 50%;
  bottom: 24px;
  transform: translateX(-50%);
  background: #16202e;
  border: 1px solid #16202e;
  color: #ffffff;
  padding: 12px 20px;
  border-radius: 999px;
  font-size: 14px;
  box-shadow: var(--shadow);
  z-index: 50;
  max-width: calc(100vw - 32px);
  text-align: center;
}
.toast--err { background: var(--err); border-color: var(--err); color: #ffffff; }

@media (max-width: 560px) {
  .readout__value { font-size: 38px; }

  /* Su schermo stretto il campo dell'ora ha bisogno di quasi tutto lo spazio:
     la temperatura sono due cifre e si accontenta di una colonna fissa. */
  .prog__head,
  .prog__row {
    grid-template-columns: 22px 1fr 68px;
    gap: 8px;
  }
  .prog__row input { padding: 10px 8px; font-size: 14px; }
  .prog__n { font-size: 12px; }

  /* Stessa struttura per i timer acceso/spento, stesso rimedio. */
  .sched__header,
  .sched__row {
    grid-template-columns: 62px 1fr 1fr;
    gap: 8px;
  }
  .sched__row input[type="time"] { padding: 10px 8px; font-size: 14px; }
  .sched__day { gap: 6px; font-size: 13px; }

  .modal__body { padding: 16px; }
  .section { padding: 14px; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; }
}

.card__note {
  margin: 0;
  font-size: 13px;
  line-height: 1.45;
  color: var(--text-dim);
  background: var(--bg-sunken);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 12px 14px;
}

/* ------------------------------------------------------------ dettaglio */

.modal {
  position: fixed;
  inset: 0;
  z-index: 40;
  display: flex;
  align-items: flex-end;
  justify-content: center;
}

.modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(16, 24, 36, 0.45);
  backdrop-filter: blur(2px);
}

.modal__panel {
  position: relative;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 20px 20px 0 0;
  width: min(720px, 100%);
  max-height: 92dvh;
  display: flex;
  flex-direction: column;
  box-shadow: 0 -8px 40px rgba(16, 24, 36, 0.22);
}

@media (min-width: 720px) {
  .modal { align-items: center; }
  .modal__panel { border-radius: 20px; max-height: 88dvh; }
}

.modal__head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 20px 14px;
  border-bottom: 1px solid var(--line);
  flex-shrink: 0;
}
.modal__head h2 { margin: 0; font-size: 19px; letter-spacing: -0.01em; }
.modal__sub { margin: 4px 0 0; font-size: 13px; color: var(--text-dim); }

.modal__body {
  padding: 20px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.section {
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 18px;
  box-shadow: var(--shadow-sm);
}
.section > h3 {
  margin: 0 0 4px;
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--text-dim);
}
.section__hint { margin: 0 0 14px; font-size: 13px; color: var(--text-dim); line-height: 1.5; }
.section > * + *:not(h3):not(.section__hint) { margin-top: 12px; }

/* righe stato */
.facts { display: grid; grid-template-columns: repeat(auto-fit, minmax(128px, 1fr)); gap: 10px; }
.fact {
  background: var(--bg-sunken);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 12px 14px;
}
.fact__label { font-size: 11px; text-transform: uppercase; letter-spacing: 0.07em; color: var(--text-dim); }
.fact__value { font-size: 20px; font-weight: 600; margin-top: 4px; font-variant-numeric: tabular-nums; }
.fact__value--on { color: var(--ok); }
.fact__value--off { color: var(--text-dim); }
.fact__value--alarm { color: var(--err); }

/* pianificazione settimanale */
.sched__code { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; margin-bottom: 16px; }
.sched__code label { margin-bottom: 0; }
select {
  background: var(--bg-sunken);
  border: 1px solid var(--line);
  border-radius: 10px;
  color: var(--text);
  padding: 10px 12px;
  font-size: 15px;
  font-family: inherit;
  min-width: 190px;
}
select:focus { border-color: var(--accent); outline: none; }

.sched__grid { display: flex; flex-direction: column; gap: 2px; }
.sched__header {
  display: grid;
  grid-template-columns: 104px 1fr 1fr;
  gap: 10px;
  padding: 0 0 8px;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--text-dim);
}
.sched__row {
  display: grid;
  grid-template-columns: 104px 1fr 1fr;
  gap: 10px;
  align-items: center;
  padding: 8px 0;
  border-top: 1px solid var(--line);
}
.sched__day { display: flex; align-items: center; gap: 10px; font-weight: 600; font-size: 14px; }
.sched__day input[type="checkbox"] { width: 20px; height: 20px; accent-color: var(--accent); cursor: pointer; margin: 0; }
.sched__row input[type="time"] {
  min-width: 0;
  background: var(--bg-sunken);
  border: 1px solid var(--line);
  border-radius: 10px;
  color: var(--text);
  padding: 10px 12px;
  font-size: 15px;
  font-family: inherit;
  width: 100%;
}
.sched__row--off input[type="time"] { opacity: 0.45; }
.sched__row input[type="time"]:focus { border-color: var(--accent); outline: none; }

.sched__actions { display: flex; justify-content: space-between; gap: 12px; margin-top: 18px; flex-wrap: wrap; }
.btn--danger { color: var(--err); border-color: rgba(200, 48, 42, 0.35); }
.btn--danger:hover:not(:disabled) { background: var(--err-soft); }

.badge {
  display: inline-block;
  font-size: 12px;
  padding: 5px 10px;
  border-radius: 999px;
  border: 1px solid var(--line);
  color: var(--text-dim);
}
.badge--ok { color: var(--ok); border-color: rgba(16, 128, 74, 0.35); background: var(--ok-soft); }
.badge--warn { color: var(--warn); border-color: rgba(180, 83, 9, 0.35); background: rgba(180, 83, 9, 0.08); }

.card__more {
  margin-top: auto;
  background: none;
  border: none;
  border-top: 1px solid var(--line);
  color: var(--accent);
  font-size: 13px;
  font-family: inherit;
  padding: 12px 0 0;
  cursor: pointer;
  text-align: left;
}
.card__more:hover { color: var(--accent-hover); }

.relay {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 13px;
  color: var(--text-dim);
}
.relay__dot { width: 9px; height: 9px; border-radius: 50%; background: var(--line-strong); flex-shrink: 0; }
.relay--on .relay__dot { background: var(--ok); box-shadow: 0 0 0 3px var(--ok-soft); }
.relay--on { color: var(--ok); font-weight: 600; }

/* ------------------------------------------------------------ boost */

.boost { display: flex; flex-direction: column; gap: 8px; }
.boost__label { font-size: 12px; text-transform: uppercase; letter-spacing: 0.07em; color: var(--text-dim); }
.boost__row { display: flex; gap: 8px; }
.boost__btn {
  flex: 1;
  padding: 11px 8px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: var(--bg-elev);
  color: var(--text);
  font-size: 14px;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
}
.boost__btn:hover:not(:disabled) { border-color: var(--accent); color: var(--accent); background: var(--accent-soft); }
.boost__btn:disabled { opacity: 0.45; cursor: not-allowed; }

.boost--active {
  background: var(--accent-soft);
  border: 1px solid var(--accent);
  border-radius: 12px;
  padding: 12px 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}
.boost__state { font-size: 14px; color: var(--accent); font-weight: 600; }
.boost__countdown { font-variant-numeric: tabular-nums; }

/* ------------------------------------------------------------ programma */

.prog__tabs { display: flex; gap: 8px; margin-bottom: 14px; }
.prog__slots { display: flex; flex-direction: column; }
.prog__head {
  display: grid;
  grid-template-columns: 34px 1fr 1fr;
  gap: 10px;
  padding-bottom: 8px;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--text-dim);
}
.prog__row {
  display: grid;
  grid-template-columns: 34px 1fr 1fr;
  gap: 10px;
  align-items: center;
  padding: 8px 0;
  border-top: 1px solid var(--line);
}
.prog__n { font-size: 13px; color: var(--text-dim); font-variant-numeric: tabular-nums; }
.prog__row input {
  margin-bottom: 0;
  width: 100%;
  min-width: 0;
  background: var(--bg-sunken);
  border: 1px solid var(--line);
  border-radius: 10px;
  color: var(--text);
  padding: 10px 12px;
  font-size: 15px;
  font-family: inherit;
}
.prog__row input:focus { border-color: var(--accent); outline: none; box-shadow: 0 0 0 3px var(--accent-soft); }
.prog__temp { position: relative; }

.fuoriprog {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  background: rgba(180, 83, 9, 0.08);
  border: 1px solid rgba(180, 83, 9, 0.30);
  border-radius: 12px;
  padding: 12px 14px;
  font-size: 13px;
  color: var(--warn);
}