/* ============================================================
   AlbumBuilder PRO — accedi.css
   Pagina Login / Registrazione
   ============================================================ */

/* ── BODY AUTH ── */
.auth-body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: #000;
  overflow-x: hidden;
}

/* ── NAVBAR MINIMALE ── */
.navbar-auth {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  border-bottom: 1px solid rgba(174,135,68,0.12);
  background: rgba(0,0,0,0.9);
  backdrop-filter: blur(20px);
}
.navbar-auth .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  height: 64px;
}
.auth-back-link {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--color-text-muted);
  transition: color var(--transition);
}
.auth-back-link:hover { color: var(--color-gold-light); }

/* ── LAYOUT MAIN ── */
.auth-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 80px 24px 48px;
  position: relative;
  min-height: 100vh;
}

/* ── GLOW BACKGROUND ── */
.auth-glow {
  position: fixed;
  top: -20%;
  left: 50%;
  transform: translateX(-50%);
  width: 700px;
  height: 700px;
  background: radial-gradient(ellipse at center, rgba(174,135,68,0.12) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}
.auth-glow-2 {
  position: fixed;
  bottom: -10%;
  left: 30%;
  width: 400px;
  height: 400px;
  background: radial-gradient(ellipse at center, rgba(174,135,68,0.05) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

/* ── AUTH CARD ── */
.auth-card {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 460px;
  background: linear-gradient(160deg, #0d0d0d 0%, #0a0a0a 100%);
  border: 1px solid rgba(174,135,68,0.2);
  border-top: 2px solid var(--color-gold);
  border-radius: 20px;
  padding: 36px 40px 32px;
  box-shadow:
    0 40px 100px rgba(0,0,0,0.8),
    0 0 60px rgba(174,135,68,0.08);
}

/* ── LOGO SOPRA LA CARD ── */
.auth-logo-wrap {
  text-align: center;
  margin-bottom: 28px;
}
.auth-logo {
  height: 36px;
  width: auto;
  object-fit: contain;
}

/* ── TAB SWITCHER ── */
.auth-tabs {
  display: flex;
  position: relative;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--color-border);
  border-radius: 10px;
  padding: 4px;
  margin-bottom: 28px;
}
.auth-tab {
  flex: 1;
  padding: 10px 0;
  background: none;
  border: none;
  color: var(--color-text-dim);
  font-size: 0.9rem;
  font-weight: var(--font-weight-medium);
  font-family: var(--font);
  cursor: pointer;
  border-radius: 7px;
  transition: color var(--transition);
  position: relative;
  z-index: 1;
}
.auth-tab.active { color: #000; }
.auth-tab-slider {
  position: absolute;
  top: 4px;
  left: 4px;
  height: calc(100% - 8px);
  width: calc(50% - 4px);
  background: var(--gradient-gold);
  border-radius: 7px;
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 0;
  box-shadow: 0 2px 12px rgba(174,135,68,0.3);
}
.auth-tab-slider.right { transform: translateX(100%); }

/* ── PANEL ── */
.auth-panel { display: none; }
.auth-panel.active { display: block; }
.auth-panel-sub {
  font-size: 0.88rem;
  color: var(--color-text-muted);
  margin-bottom: 24px;
  text-align: center;
}

/* ── FORM ── */
.auth-form {
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.auth-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.auth-label {
  font-size: 0.82rem;
  font-weight: var(--font-weight-semi);
  color: var(--color-text-muted);
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.auth-optional {
  font-weight: var(--font-weight-regular);
  color: var(--color-text-dim);
  font-size: 0.75rem;
}
.auth-forgot {
  font-size: 0.78rem;
  color: var(--color-gold-dark);
  font-weight: var(--font-weight-regular);
  transition: color var(--transition);
}
.auth-forgot:hover { color: var(--color-gold-light); }

/* Input wrapper */
.auth-input-wrap {
  position: relative;
  display: flex;
  align-items: center;
}
.auth-input-icon {
  position: absolute;
  left: 14px;
  color: var(--color-text-dim);
  pointer-events: none;
  transition: color var(--transition);
  flex-shrink: 0;
}
.auth-input {
  width: 100%;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--color-border);
  border-radius: 10px;
  padding: 13px 44px 13px 44px;
  color: var(--color-text);
  font-size: 0.92rem;
  font-family: var(--font);
  transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
  outline: none;
}
.auth-input::placeholder { color: var(--color-text-dim); }
.auth-input:focus {
  border-color: var(--color-gold);
  background: rgba(174,135,68,0.04);
  box-shadow: 0 0 0 3px rgba(174,135,68,0.1);
}
.auth-input:focus + .auth-input-icon,
.auth-input-wrap:focus-within .auth-input-icon {
  color: var(--color-gold);
}
.auth-input.input-error {
  border-color: #ef4444;
  box-shadow: 0 0 0 3px rgba(239,68,68,0.1);
}
.auth-input.input-success {
  border-color: #4ade80;
}

/* Bottone mostra/nascondi password */
.auth-toggle-pw {
  position: absolute;
  right: 12px;
  background: none;
  border: none;
  color: var(--color-text-dim);
  cursor: pointer;
  padding: 4px;
  transition: color var(--transition);
  display: flex;
  align-items: center;
}
.auth-toggle-pw:hover { color: var(--color-gold-light); }

/* Errori campo */
.auth-field-error {
  font-size: 0.76rem;
  color: #ef4444;
  min-height: 16px;
  transition: opacity var(--transition);
}

/* Errore globale */
.auth-error-global {
  background: rgba(239,68,68,0.08);
  border: 1px solid rgba(239,68,68,0.25);
  border-radius: 8px;
  padding: 12px 14px;
  font-size: 0.84rem;
  color: #f87171;
  display: none;
  line-height: 1.5;
}
.auth-error-global.visible { display: block; }

/* ── CHECKBOX ── */
.auth-checkbox-label {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  font-size: 0.84rem;
  color: var(--color-text-muted);
}
.auth-checkbox { display: none; }
.auth-checkbox-custom {
  width: 18px;
  height: 18px;
  border-radius: 5px;
  border: 1.5px solid var(--color-border-light);
  background: rgba(255,255,255,0.04);
  flex-shrink: 0;
  position: relative;
  transition: all var(--transition);
}
.auth-checkbox:checked + .auth-checkbox-custom {
  background: var(--gradient-gold);
  border-color: var(--color-gold);
}
.auth-checkbox:checked + .auth-checkbox-custom::after {
  content: '';
  position: absolute;
  top: 3px; left: 5px;
  width: 6px; height: 9px;
  border: 2px solid #000;
  border-top: none;
  border-left: none;
  transform: rotate(45deg);
}
.auth-remember {
  margin-top: -4px;
}
.auth-terms {
  margin-top: -4px;
  line-height: 1.5;
  align-items: flex-start;
}
.auth-link {
  color: var(--color-gold);
  transition: color var(--transition);
}
.auth-link:hover { color: var(--color-gold-light); }

/* ── PASSWORD STRENGTH ── */
.pw-strength {
  height: 3px;
  background: var(--color-border);
  border-radius: 2px;
  overflow: hidden;
  margin-top: 6px;
}
.pw-strength-bar {
  height: 100%;
  width: 0%;
  border-radius: 2px;
  transition: width 0.4s ease, background 0.4s ease;
}
.pw-strength-label {
  font-size: 0.72rem;
  color: var(--color-text-dim);
  margin-top: 3px;
}

/* ── SUBMIT BUTTON ── */
.auth-submit {
  width: 100%;
  justify-content: center;
  margin-top: 4px;
  position: relative;
  min-height: 48px;
}
.auth-submit.loading .btn-text { opacity: 0; }
.auth-submit.loading .btn-spinner { opacity: 1; }
.btn-spinner {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition);
}
.btn-spinner::after {
  content: '';
  width: 20px; height: 20px;
  border: 2px solid rgba(0,0,0,0.3);
  border-top-color: #000;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── SWITCH TEXT ── */
.auth-switch-text {
  text-align: center;
  font-size: 0.85rem;
  color: var(--color-text-dim);
  margin-top: 20px;
}
.auth-switch-btn {
  background: none;
  border: none;
  color: var(--color-gold);
  font-size: 0.85rem;
  font-family: var(--font);
  cursor: pointer;
  font-weight: var(--font-weight-semi);
  transition: color var(--transition);
  padding: 0;
}
.auth-switch-btn:hover { color: var(--color-gold-light); }

/* ── PIANO SELEZIONATO ── */
.auth-plan-selected {
  margin-top: 20px;
  background: rgba(174,135,68,0.08);
  border: 1px solid rgba(174,135,68,0.2);
  border-radius: 8px;
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.84rem;
  color: var(--color-gold-light);
}
.auth-plan-icon { font-size: 0.6rem; }

/* ── TRUST BAR ── */
.auth-trust {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 24px;
  position: relative;
  z-index: 1;
  flex-wrap: wrap;
  justify-content: center;
}
.auth-trust-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.78rem;
  color: var(--color-text-dim);
}
.auth-trust-item svg { color: var(--color-gold-dark); }
.auth-trust-sep { color: var(--color-border); }

/* ── RESPONSIVE ── */
@media (max-width: 500px) {
  .auth-card { padding: 28px 24px; }
  .auth-trust-sep { display: none; }
}