/* ================================================================
   LOGIN.CSS — Page de connexion
   Mehmet & Mine
   ================================================================ */

/* === FOND ====================================================== */
#view-login {
  background: var(--c-dark);
  /* Texture subtile via dégradé en couches */
  background-image:
    radial-gradient(ellipse at 20% 80%, rgba(201, 169, 110, 0.06) 0%, transparent 60%),
    radial-gradient(ellipse at 80% 20%, rgba(201, 169, 110, 0.04) 0%, transparent 50%),
    linear-gradient(160deg, #0f0e0c 0%, #0a0908 50%, #0d0c0a 100%);
  z-index: var(--z-login);
}

/* === CONTENANT ================================================= */
.login-wrap {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--sp-md);
  padding: var(--sp-lg) var(--sp-md);
  width: 100%;
  max-width: 420px;
  text-align: center;
  animation: loginAppear 1.2s cubic-bezier(0.22, 1, 0.36, 1) both;
}

@keyframes loginAppear {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* === DÉCO SUPÉRIEURE ========================================== */
.login-top-deco {
  width: 1px;
  height: 60px;
  background: linear-gradient(to bottom, transparent, var(--c-gold));
  margin-bottom: var(--sp-sm);
}

/* === MARQUE ==================================================== */
.login-brand {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
}

.login-names {
  font-family: var(--f-serif);
  font-size: clamp(2.4rem, 7vw, 3.2rem);
  font-weight: 300;
  letter-spacing: 0.04em;
  color: var(--c-gold-light);
  line-height: 1.1;
}

.login-names .amp {
  color: var(--c-gold);
  font-size: 1.3em;
}

.login-tagline {
  font-family: var(--f-serif);
  font-size: 0.95rem;
  font-style: italic;
  font-weight: 300;
  color: var(--c-gray-500);
  letter-spacing: 0.03em;
  line-height: 1.5;
}

/* === FORMULAIRE ================================================ */
.login-form {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--sp-md);
  margin-top: var(--sp-sm);
}

/* Champ mot de passe */
.field-wrap {
  position: relative;
  width: 100%;
}

.field-input {
  width: 100%;
  padding: 0.85rem 0;
  background: transparent;
  border: none;
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
  color: var(--c-gold-light);
  font-family: var(--f-sans);
  font-size: 0.95rem;
  font-weight: 200;
  letter-spacing: 0.12em;
  text-align: center;
  outline: none;
  transition: border-color var(--t-med);
  -webkit-appearance: none;
}

.field-input::placeholder {
  color: var(--c-gray-500);
  letter-spacing: 0.1em;
  font-size: 0.85rem;
  font-weight: 300;
}

/* Barre animée au focus */
.field-bar {
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 1px;
  background: var(--c-gold);
  transition: width var(--t-med), left var(--t-med);
}

.field-input:focus ~ .field-bar {
  width: 100%;
  left: 0;
}

/* === BOUTON ==================================================== */
.login-btn {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.85rem 2.5rem;
  border: 1px solid rgba(201, 169, 110, 0.4);
  color: var(--c-gold-light);
  font-family: var(--f-sans);
  font-size: 0.8rem;
  font-weight: 400;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  transition:
    background-color var(--t-med),
    border-color var(--t-med),
    color var(--t-med),
    transform var(--t-fast);
  position: relative;
  overflow: hidden;
}

.login-btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--c-gold);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--t-med);
  z-index: 0;
}

.login-btn:hover::before,
.login-btn:focus-visible::before {
  transform: scaleX(1);
}

.login-btn:hover,
.login-btn:focus-visible {
  color: var(--c-dark);
  border-color: var(--c-gold);
}

.login-btn:active {
  transform: scale(0.97);
}

.btn-label,
.btn-icon {
  position: relative;
  z-index: 1;
}

.btn-icon {
  display: flex;
  align-items: center;
  transition: transform var(--t-med);
}

.login-btn:hover .btn-icon {
  transform: translateX(4px);
}

/* Animation de succès */
.login-btn.is-success {
  background: var(--c-gold);
  border-color: var(--c-gold);
  color: var(--c-dark);
  pointer-events: none;
}

/* === MESSAGE D'ERREUR ========================================= */
.login-error {
  font-size: 0.78rem;
  color: #c97070;
  letter-spacing: 0.05em;
  min-height: 1.2em;
  transition: opacity var(--t-fast);
  opacity: 0;
}

.login-error.is-visible {
  opacity: 1;
  animation: shake 0.35s cubic-bezier(0.36, 0.07, 0.19, 0.97);
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  20%       { transform: translateX(-5px); }
  40%       { transform: translateX(5px); }
  60%       { transform: translateX(-4px); }
  80%       { transform: translateX(4px); }
}

/* === DÉCO INFÉRIEURE ========================================== */
.login-bottom-deco {
  width: 40px;
  height: 1px;
  background: linear-gradient(to right, transparent, var(--c-gold), transparent);
}

/* === PIED DE PAGE ============================================= */
.login-footer {
  font-size: 0.7rem;
  color: var(--c-gray-700);
  letter-spacing: 0.1em;
  margin-top: var(--sp-sm);
}

/* === TRANSITION DE SORTIE ===================================== */
#view-login.is-leaving {
  animation: loginLeave 0.8s cubic-bezier(0.4, 0, 1, 1) forwards;
}

@keyframes loginLeave {
  0%   { opacity: 1; transform: scale(1); }
  100% { opacity: 0; transform: scale(1.03); }
}

/* === RESPONSIVE =============================================== */
@media (max-width: 480px) {
  .login-wrap {
    padding: var(--sp-lg) var(--sp-md);
    gap: 1.5rem;
  }

  .login-names {
    font-size: 2.2rem;
  }

  .login-btn {
    width: 100%;
    justify-content: center;
  }
}