/* Connexion et inscription — variante « Essentiel ».
   Surface blanche, marque en tête, formulaire direct. Tout doit tenir dans
   la hauteur de l'écran, sans défilement, de 360×640 à l'ordinateur. */

:root {
  --a-orange: #F37A1F;
  --a-action: #BC5009;      /* 4,9:1 avec du blanc ; #F37A1F n'atteint pas 3:1 */
  --a-action-hover: #B45309;
  --a-blue: #0B46D8;
  --a-blue-ring: #EAF1FF;
  --a-bg: #FAFAF9;
  --a-surface: #FFFFFF;
  --a-ink: #1C1917;
  --a-text: #44403C;
  --a-muted: #78716C;
  --a-border: #E7E5E4;
  --a-error: #DC2626;
  --a-error-soft: #FEF2F2;
  --a-ok: #047857;
}

body.auth-page {
  background: var(--a-surface);
  color: var(--a-ink);
}

body.auth-page ::selection { background: #FDE7D3; color: var(--a-ink); }

/* Le gabarit du site pose `my-4` (1,5rem en haut et en bas, !important chez
   Bootstrap) sur son <main> : 48 px de trop qui rendaient la page défilante. */
body.auth-page main.container {
  margin-top: 0 !important;
  margin-bottom: 0 !important;
  padding: 0 !important;
  max-width: none;
}

.auth {
  min-height: 100svh;
  min-height: 100dvh;
  display: grid;
  place-items: center;
  padding: max(20px, env(safe-area-inset-top)) 24px max(20px, env(safe-area-inset-bottom));
}

.auth-card {
  position: relative;
  width: 100%;
  max-width: 364px;
}

/* Marque */
.auth-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 26px;
  color: inherit;
  text-decoration: none !important;
}
.auth-brand img { width: 40px; height: 40px; object-fit: contain; flex: none; }
.auth-wordmark {
  display: block;
  font-family: "Rubik", "Nunito Sans", system-ui, sans-serif;
  font-size: 27px;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.5px;
  color: var(--a-blue);
}
.auth-wordmark span { color: var(--a-orange); }
.auth-tagline { display: block; margin-top: 2px; font-size: 11.5px; line-height: 1.4; color: var(--a-muted); }

.auth-heading {
  margin: 0 0 22px;
  font-family: "Rubik", "Nunito Sans", system-ui, sans-serif;
  font-size: 30px;
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--a-ink);
}
.auth-heading small {
  display: block;
  margin-top: 4px;
  font-family: "Nunito Sans", system-ui, sans-serif;
  font-size: 13.5px;
  font-weight: 600;
  letter-spacing: 0;
  color: var(--a-muted);
}

/* Messages du serveur */
.auth-alert {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  margin: 0 0 14px;
  padding: 10px 12px;
  border: 1px solid #FECACA;
  border-radius: 8px;
  background: var(--a-error-soft);
  color: var(--a-error);
  font-size: 13px;
  line-height: 1.45;
}
.auth-alert--ok { border-color: #A7F3D0; background: #ECFDF5; color: var(--a-ok); }
.auth-alert ul { margin: 0; padding-left: 16px; }

/* Champs */
.auth-field + .auth-field { margin-top: 12px; }
.auth-label-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  min-height: 24px;
  margin-bottom: 6px;
}
.auth-field label {
  display: block;
  font-size: 13px;
  font-weight: 700;
  color: var(--a-text);
}
.auth-forgot {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  margin: -10px 0;
  font-size: 12.5px;
  font-weight: 700;
  color: var(--a-blue) !important;
  white-space: nowrap;
}

.auth-input {
  display: flex;
  align-items: center;
  height: 48px;
  padding-left: 14px;
  border: 1px solid var(--a-border);
  border-radius: 8px;
  background: var(--a-surface);
  transition: border-color .16s ease, box-shadow .16s ease;
}
.auth-input:focus-within { border-color: var(--a-blue); box-shadow: 0 0 0 3px var(--a-blue-ring); }
.auth-input.is-invalid { border-color: var(--a-error); }
.auth-input.is-invalid:focus-within { box-shadow: 0 0 0 3px #FEE2E2; }
.auth-input.is-valid { border-color: #6EE7B7; }

.auth-input input {
  flex: 1;
  min-width: 0;
  height: 100%;
  padding: 0 10px 0 0;
  border: 0;
  outline: 0;
  background: none;
  color: var(--a-ink);
  font: 16px "Nunito Sans", system-ui, sans-serif; /* 16px : pas de zoom auto sur iPhone */
}
.auth-input input::placeholder { color: var(--a-muted); opacity: 1; }
.auth-input input:-webkit-autofill { -webkit-box-shadow: 0 0 0 40px #fff inset; }

.auth-eye,
.auth-state {
  display: grid;
  place-items: center;
  flex: 0 0 44px;
  height: 46px;
  color: var(--a-muted);
}
.auth-eye {
  padding: 0;
  border: 0;
  border-radius: 8px;
  background: none;
  cursor: pointer;
}
.auth-eye svg, .auth-state svg { width: 19px; height: 19px; }
.auth-state { flex-basis: 36px; }
.auth-state[hidden] { display: none; }
.auth-state.is-ok { color: var(--a-ok); }
.auth-state.is-ko { color: var(--a-error); }

.auth a { text-decoration: none !important; }

.auth svg { fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }

/* Message sous le champ : réservé une ligne pour que rien ne saute pendant la saisie */
.auth-hint {
  min-height: 17px;
  margin: 4px 0 0;
  font-size: 12px;
  line-height: 1.4;
  color: var(--a-error);
}
.auth-hint:empty { min-height: 0; margin: 0; }

/* Force du mot de passe */
.auth-strength {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: 8px;
}
.auth-strength span { flex: 1; height: 3px; border-radius: 2px; background: var(--a-border); transition: background-color .2s ease; }
.auth-strength strong { flex: 0 0 44px; font-size: 11.5px; text-align: right; }

/* Étapes de l'inscription */
.auth-steps {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: -12px 0 18px;
  font-size: 12px;
  font-weight: 700;
  color: var(--a-muted);
}
.auth-steps span { display: inline-flex; align-items: center; gap: 6px; }
.auth-steps b {
  display: grid;
  place-items: center;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--a-bg);
  border: 1px solid var(--a-border);
  font-size: 11px;
}
.auth-steps .is-active { color: var(--a-action); }
.auth-steps .is-active b { background: var(--a-action); border-color: var(--a-action); color: #fff; }
.auth-steps i { flex: 1; height: 1px; background: var(--a-border); }

/* Boutons */
.auth-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  height: 48px;
  padding: 0 16px;
  border: 1px solid transparent;
  border-radius: 8px;
  font: 700 15px "Nunito Sans", system-ui, sans-serif;
  text-decoration: none !important;
  cursor: pointer;
  transition: background-color .16s ease, transform .1s ease;
}
.auth-btn:active { transform: scale(.985); }
.auth-btn--primary { margin-top: 18px; background: var(--a-action); color: #fff !important; }
.auth-btn--primary[disabled] { cursor: wait; opacity: .8; }
.auth-btn--ghost { border-color: var(--a-border); background: #fff; color: var(--a-ink) !important; }

.auth-separator {
  display: flex;
  align-items: center;
  gap: 12px;
  height: 36px;
  color: var(--a-muted);
  font-size: 12px;
}
.auth-separator::before, .auth-separator::after { content: ''; flex: 1; height: 1px; background: var(--a-border); }

/* Bouton Google (gabarit partagé _google_button.html) */
.auth .auth-social { display: grid; gap: 10px; }
.auth .auth-social-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  height: 48px;
  border: 1px solid var(--a-border);
  border-radius: 8px;
  background: #fff;
  color: var(--a-ink) !important;
  font: 700 15px "Nunito Sans", system-ui, sans-serif;
  text-decoration: none !important;
  cursor: pointer;
}
.auth .auth-social-icon { width: 20px; height: 20px; stroke: none; }
.auth .auth-social-form { display: none; }

.auth-switch {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 5px;
  margin: 10px 0 0;
  font-size: 13.5px;
  color: var(--a-text);
}
.auth-switch a { display: inline-flex; align-items: center; min-height: 44px; font-weight: 700; color: var(--a-blue) !important; }

.auth-terms { margin: 0; text-align: center; font-size: 11.5px; line-height: 1.5; color: var(--a-muted); }
.auth-terms a { display: inline-flex; align-items: center; min-height: 36px; padding: 0 2px; font-weight: 700; color: var(--a-blue) !important; }

.auth-back {
  position: absolute;
  top: -4px;
  right: 0;
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 8px;
  color: var(--a-text) !important;
}
.auth-back svg { width: 20px; height: 20px; }
.auth-back[hidden] { display: none; }

.auth-step[hidden] { display: none; }

.auth a:focus-visible,
.auth button:focus-visible { outline: 3px solid var(--a-blue); outline-offset: 3px; }
.auth .auth-eye:focus-visible { outline-offset: -4px; }

@media (hover: hover) and (pointer: fine) {
  .auth-btn--primary:hover { background: var(--a-action-hover); }
  .auth-btn--ghost:hover, .auth .auth-social-btn:hover, .auth-eye:hover { background: var(--a-bg); }
  .auth-switch a:hover, .auth-terms a:hover, .auth-forgot:hover { text-decoration: underline !important; }
}

/* Ordinateur : la marque monte dans le coin, le formulaire reste seul au centre */
@media (min-width: 800px) {
  .auth { padding-top: 92px; padding-bottom: 40px; }
  .auth-brand { position: fixed; top: 34px; left: 44px; margin: 0; }
  .auth-brand img { width: 36px; height: 36px; }
  .auth-wordmark { font-size: 24px; }
  .auth-heading { font-size: 32px; margin-bottom: 28px; }
  .auth-steps { margin-top: -16px; }
}

/* Petits écrans et écrans bas : on resserre avant de laisser défiler */
@media (max-width: 380px) {
  .auth { padding-left: 20px; padding-right: 20px; }
  .auth-brand { margin-bottom: 20px; }
  .auth-heading { font-size: 27px; margin-bottom: 18px; }
}
@media (max-height: 700px) and (max-width: 799px) {
  .auth { padding-top: max(12px, env(safe-area-inset-top)); padding-bottom: max(12px, env(safe-area-inset-bottom)); }
  .auth-brand { margin-bottom: 16px; }
  .auth-brand img { width: 34px; height: 34px; }
  .auth-wordmark { font-size: 24px; }
  .auth-heading { font-size: 25px; margin-bottom: 16px; }
  .auth-field + .auth-field { margin-top: 8px; }
  .auth-btn--primary { margin-top: 14px; }
  .auth-separator { height: 28px; }
  .auth-switch { margin-top: 4px; }
  .auth-steps { margin: -8px 0 12px; }
}

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