:root {
  color-scheme: light dark;
  --fond: #f8fafc;
  --texte: #0f172a;
  --discret: #475569;
  --accent: #0f766e;
  --sur-accent: #ffffff;
  --erreur: #b91c1c;
  --bord: #64748b;
  --champ: #ffffff;
  font-family:
    system-ui,
    -apple-system,
    'Segoe UI',
    Roboto,
    sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --fond: #0b1220;
    --texte: #e2e8f0;
    --discret: #94a3b8;
    --accent: #2dd4bf;
    --sur-accent: #042f2e;
    --erreur: #fca5a5;
    --bord: #94a3b8;
    --champ: #111a2e;
  }
}

body {
  margin: 0;
  background: var(--fond);
  color: var(--texte);
}

main {
  max-width: 40rem;
  margin: 0 auto;
  padding: 1rem;
  padding-block: max(1rem, env(safe-area-inset-top)) max(1rem, env(safe-area-inset-bottom));
}

h1 {
  font-size: 1.5rem;
}

p {
  color: var(--discret);
}

form {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

label {
  font-weight: 600;
}

input:not([type='checkbox']) {
  min-height: 2.75rem;
  padding: 0 0.75rem;
  border: 1px solid var(--bord);
  border-radius: 0.5rem;
  background: var(--champ);
  color: var(--texte);
  font: inherit;
  font-size: 1.1rem;
}

/* Le code d'inscription. */
#code {
  font-size: 1.25rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

button {
  display: block;
  width: 100%;
  min-height: 2.75rem;
  margin-block: 0.75rem;
  padding: 0.5rem 1rem;
  border-radius: 0.5rem;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
}

button.principal {
  border: 1px solid var(--accent);
  background: var(--accent);
  color: var(--sur-accent);
}

button.secondaire {
  border: 1px solid transparent;
  background: transparent;
  color: var(--texte);
  text-decoration: underline;
}

button:disabled {
  opacity: 0.6;
  cursor: wait;
}

:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 2px;
}

.aide {
  margin: 0;
  font-size: 0.9rem;
}

.message {
  color: var(--erreur);
  font-weight: 600;
}

.message:empty {
  display: none;
}

/* L'écran d'état de la borne. */
.bandeau {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 1rem;
  margin-block: 1rem;
}

.badge {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  border: 1px solid var(--bord);
  border-radius: 999px;
  color: var(--texte);
  font-weight: 600;
}

.badge.en-ligne {
  border-color: var(--accent);
  background: var(--accent);
  color: var(--sur-accent);
}

.connecteur {
  margin: 0;
  color: var(--texte);
  font-size: 1.25rem;
  font-weight: 700;
}

.connecteur:empty {
  display: none;
}

.carte {
  margin-block: 1rem;
  padding: 1rem;
  border: 1px solid var(--bord);
  border-radius: 0.75rem;
  background: var(--champ);
}

.carte h2 {
  margin: 0 0 0.75rem;
  font-size: 1rem;
  color: var(--discret);
}

.grands {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(10rem, 1fr));
  gap: 1rem;
  margin-bottom: 1rem;
}

.grand {
  display: flex;
  flex-direction: column;
}

.grand .valeur {
  font-size: 2.25rem;
  font-weight: 700;
  line-height: 1.1;
  font-variant-numeric: tabular-nums;
}

.grand .intitule {
  color: var(--discret);
  font-size: 0.9rem;
}

dl {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.25rem 1rem;
  margin: 0;
}

dt {
  color: var(--discret);
}

dd {
  margin: 0;
  text-align: right;
  font-variant-numeric: tabular-nums;
}

.alerte {
  margin-bottom: 0;
  color: var(--erreur);
  font-weight: 600;
}

/* La navigation entre les écrans. */
.onglets {
  display: flex;
  gap: 0.25rem;
  padding: 0.25rem;
  border: 1px solid var(--bord);
  border-radius: 0.75rem;
}

.onglets button {
  flex: 1;
  margin: 0;
  border: 1px solid transparent;
  background: transparent;
  color: var(--texte);
}

.onglets button[aria-current='page'] {
  border-color: var(--accent);
  background: var(--accent);
  color: var(--sur-accent);
}

.carte h3 {
  margin: 0 0 0.5rem;
  font-size: 1.05rem;
}

.liste {
  margin: 0;
  padding: 0;
  list-style: none;
}

/* L'historique. */
.selecteur {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 0.5rem;
  margin-block: 1rem 0;
}

.selecteur h2 {
  margin: 0;
  font-size: 1.15rem;
  text-align: center;
}

.selecteur button {
  margin: 0;
  padding-inline: 0.25rem;
  font-size: 0.9rem;
}

.heures {
  margin: 0 0 0.75rem;
  color: var(--texte);
  font-size: 1.15rem;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

/* Les tarifs. */
.message.ok {
  color: var(--accent);
}

button.danger {
  border: 1px solid var(--erreur);
  background: var(--erreur);
  color: var(--fond);
}

.actions p {
  margin-bottom: 0;
  color: var(--texte);
  font-weight: 600;
}

.champs {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.case {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  min-height: 2.75rem;
}

.case input {
  width: 1.25rem;
  height: 1.25rem;
  accent-color: var(--accent);
}

fieldset {
  margin: 0.5rem 0 0;
  padding: 0.5rem 0.75rem 0;
  border: 1px solid var(--bord);
  border-radius: 0.5rem;
}

legend {
  padding-inline: 0.25rem;
  font-weight: 600;
}

.plage {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  margin-block: 0.5rem;
}

.plage input {
  flex: 1 1 6rem;
}

.plage button {
  width: auto;
  margin: 0;
}

/* Le pied de page de l'appli, et la page des mentions. */
a {
  color: var(--accent);
}

.pied {
  margin-top: 2rem;
  font-size: 0.9rem;
  text-align: center;
}

.liens {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.5rem 1rem;
}

.mentions h2 {
  margin-top: 1.75rem;
  font-size: 1.15rem;
}

.mentions p,
.mentions li {
  color: var(--texte);
  line-height: 1.5;
}

.mentions code {
  overflow-wrap: anywhere;
}