/* ===========================
   TripCooking — Login / Invitation
   Compatible avec :
   .login-wrapper, .login-card
   .form-validation-invitation, .form-group-validation
   .btn-validation-submit, .btn-connexion
   .validation-loader, #loaderConnexion
   .validation-error-message, .erreurConnexion
   =========================== */

:root{
  --tc-bg: #f6f4ff;
  --tc-bg2:#f2efff;
  --tc-card:#ffffff;
  --tc-text:#14121f;
  --tc-muted:#6e6a86;

  --tc-primary:#6a4cff;
  --tc-primary2:#8b6cff;

  --tc-border: rgba(124, 92, 255, .18);
  --tc-shadow: 0 18px 60px rgba(18, 14, 40, .12);
  --tc-shadow2: 0 10px 30px rgba(18, 14, 40, .10);

  --radius-xl: 22px;
  --radius-lg: 16px;
  --radius-md: 12px;

  --pad: 18px;
}

/* --- Reset léger --- */
.login-wrapper, .login-wrapper *{
  box-sizing: border-box;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
}

.login-wrapper{
  min-height: calc(100vh - 0px);
  display: grid;
  place-items: center;
  padding: clamp(18px, 3vw, 38px);
  background:
    radial-gradient(900px 450px at 20% 10%, rgba(106,76,255,.18), transparent 60%),
    radial-gradient(900px 450px at 90% 25%, rgba(139,108,255,.14), transparent 62%),
    radial-gradient(900px 550px at 50% 110%, rgba(106,76,255,.10), transparent 60%),
    linear-gradient(180deg, var(--tc-bg), var(--tc-bg2));
}

/* Carte */
.login-card{
  width: min(520px, 100%);
  background: rgba(255,255,255,.82);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);

  border: 1px solid rgba(124,92,255,.18);
  border-radius: var(--radius-xl);
  box-shadow: var(--tc-shadow);

  padding: clamp(18px, 2.6vw, 30px);
  position: relative;
  overflow: hidden;
}

/* petit halo décoratif */
.login-card::before{
  content:"";
  position:absolute;
  inset: -40% -20% auto -30%;
  height: 260px;
  background: radial-gradient(circle at 30% 40%, rgba(106,76,255,.22), transparent 60%);
  transform: rotate(-6deg);
  pointer-events:none;
}
.login-card::after{
  content:"";
  position:absolute;
  right:-120px;
  top:-120px;
  width: 220px;
  height: 220px;
  background: radial-gradient(circle at 35% 35%, rgba(139,108,255,.20), transparent 65%);
  pointer-events:none;
}

.login-card h1{
  margin: 0 0 18px 0;
  font-size: clamp(22px, 2.4vw, 28px);
  line-height: 1.2;
  color: var(--tc-text);
  letter-spacing: -.02em;
  position: relative;
  z-index: 1;
}

/* Form */
.login-card form{
  display: grid;
  gap: 14px;
  position: relative;
  z-index: 1;
}

/* Labels */
.login-card label{
  font-size: 13px;
  color: var(--tc-muted);
  margin-bottom: 6px;
  display: inline-block;
}

/* Champs */
.login-card input[type="text"],
.login-card input[type="email"],
.login-card input[type="password"]{
  width: 100%;
  height: 46px;
  padding: 0 14px;
  border-radius: 14px;
  border: 1px solid rgba(124,92,255,.22);
  background: rgba(255,255,255,.92);
  color: var(--tc-text);
  outline: none;
  box-shadow: 0 1px 0 rgba(255,255,255,.7) inset;
  transition: border-color .18s ease, box-shadow .18s ease, transform .08s ease;
}

.login-card input::placeholder{
  color: rgba(110,106,134,.70);
}

.login-card input:focus{
  border-color: rgba(106,76,255,.55);
  box-shadow:
    0 0 0 4px rgba(106,76,255,.16),
    0 10px 20px rgba(18,14,40,.06);
}

.login-card input:active{
  transform: translateY(1px);
}

/* Group validation */
.form-group-validation{
  display: grid;
  gap: 8px;
}

/* Checkbox */
.checkbox-group{
  display:flex;
  align-items:center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 14px;
  border: 1px solid rgba(124,92,255,.16);
  background: rgba(255,255,255,.70);
}

.checkbox-group input[type="checkbox"]{
  width: 18px;
  height: 18px;
  accent-color: var(--tc-primary);
}
.checkbox-group label{
  margin: 0;
  font-size: 13px;
  color: var(--tc-text);
}

/* Boutons submit */
.btn-validation-submit,
.btn-connexion{
  width: 100%;
  height: 48px;
  border: 0;
  cursor: pointer;
  border-radius: 16px;
  font-weight: 700;
  letter-spacing: .01em;
  color: #fff;
  background: linear-gradient(135deg, var(--tc-primary), var(--tc-primary2));
  box-shadow:
    0 16px 30px rgba(106,76,255,.26),
    0 6px 14px rgba(18,14,40,.10);
  transition: transform .08s ease, filter .18s ease, box-shadow .18s ease;
}

.btn-validation-submit:hover,
.btn-connexion:hover{
  filter: brightness(1.03);
  box-shadow:
    0 18px 40px rgba(106,76,255,.30),
    0 8px 18px rgba(18,14,40,.12);
}
.btn-validation-submit:active,
.btn-connexion:active{
  transform: translateY(1px);
}

/* Loader (invitation) */
.validation-loader{
  display:flex;
  justify-content:center;
  padding: 10px 0 0 0;
}
.validation-loader img{
  width: 34px;
  height: 34px;
  filter: drop-shadow(0 8px 18px rgba(18,14,40,.12));
}

/* Loader (connexion) */
#loaderConnexion{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 14px;
  border: 1px solid rgba(124,92,255,.16);
  background: rgba(255,255,255,.72);
  color: var(--tc-muted);
  font-size: 13px;
}

/* Messages d'erreur */
.validation-error-message,
.erreurConnexion{
  font-size: 13px;
  line-height: 1.35;
  padding: 10px 12px;
  border-radius: 14px;
  background: rgba(255, 80, 80, .08);
  border: 1px solid rgba(255, 80, 80, .18);
  color: #b91c1c; /* rouge foncé */
}

/* États invalides (si tu ajoutes class "is-invalid" via JS) */
.is-invalid{
  border-color: rgba(255,80,80,.55) !important;
  box-shadow: 0 0 0 4px rgba(255,80,80,.14) !important;
}

/* Petit lien (si tu ajoutes plus tard) */
.login-card .link{
  text-decoration: none;
  color: var(--tc-primary);
  font-weight: 600;
}
.login-card .link:hover{
  text-decoration: underline;
}

/* Responsive */
@media (max-width: 520px){
  .login-wrapper{
    padding: 16px;
  }
  .login-card{
    border-radius: 18px;
    padding: 18px;
  }
  .btn-validation-submit,
  .btn-connexion{
    height: 46px;
    border-radius: 14px;
  }
  .login-card input[type="text"],
  .login-card input[type="email"],
  .login-card input[type="password"]{
    height: 44px;
    border-radius: 14px;
  }
}

/* Accessibilité */
@media (prefers-reduced-motion: reduce){
  .login-card input,
  .btn-validation-submit,
  .btn-connexion{
    transition: none !important;
  }
}