/* ========================================
   CLIENT AUTH POPUP
   ======================================== */
.auth-modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 1200;
  display: grid;
  place-items: center;
  padding: 24px;
  background: rgba(0, 0, 0, .42);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  opacity: 0;
  visibility: hidden;
  transition: opacity .25s var(--ease), visibility .25s var(--ease);
}

.auth-modal-overlay.open {
  opacity: 1;
  visibility: visible;
}

.auth-modal {
  position: relative;
  width: min(100%, 440px);
  max-height: min(720px, calc(100dvh - 48px));
  overflow-y: auto;
  padding: 30px;
  border-radius: 30px;
  background: var(--surface);
  box-shadow: var(--shadow-xl);
  transform: translateY(16px) scale(.98);
  transition: transform .3s var(--ease);
}

.auth-modal-overlay.open .auth-modal {
  transform: translateY(0) scale(1);
}

.auth-modal__close {
  position: absolute;
  top: 16px;
  right: 16px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  color: var(--text);
  background: var(--surface-alt);
  transition: background var(--duration) var(--ease), transform var(--duration) var(--ease);
}

.auth-modal__close:hover {
  background: var(--surface-hover);
  transform: scale(1.04);
}

.auth-modal__close svg {
  width: 19px;
  height: 19px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
}

.auth-modal__header {
  padding-right: 42px;
  margin-bottom: 22px;
}

.auth-modal__title {
  margin: 0;
  color: var(--text);
  font-size: 1.55rem;
  line-height: 1.15;
}

.auth-modal__tabs {
  position: relative;
  isolation: isolate;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 4px;
  padding: 4px;
  margin-bottom: 22px;
  border-radius: 50px;
  background: var(--surface-alt);
}

.auth-modal__tabs::before {
  position: absolute;
  z-index: 0;
  top: 4px;
  bottom: 4px;
  left: 4px;
  width: calc(50% - 4px);
  border-radius: 50px;
  background: var(--surface);
  box-shadow: var(--shadow-sm);
  content: '';
  transition: transform .34s cubic-bezier(.22, 1, .36, 1);
}

.auth-modal__tabs[data-active-auth-tab="register"]::before {
  transform: translateX(100%);
}

.auth-modal__tab {
  position: relative;
  z-index: 1;
  min-height: 42px;
  border-radius: 50px;
  color: var(--text-secondary);
  font-size: .9rem;
  font-weight: 700;
  transition: color .24s var(--ease), transform .24s var(--ease);
}

.auth-modal__tab.active {
  color: var(--text);
}

.auth-modal__tab:active {
  transform: scale(.98);
}

.auth-modal__form {
  display: grid;
  gap: 15px;
}

.auth-modal__step-meta {
  color: var(--text-muted);
  font-size: .72rem;
  font-weight: 800;
  letter-spacing: .09em;
  text-transform: uppercase;
}

.auth-modal__register-step {
  display: grid;
  gap: 15px;
}

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

.auth-modal__register-step.active {
  animation: auth-register-step-in .28s cubic-bezier(.22, 1, .36, 1) both;
}

.auth-modal__content {
  position: relative;
  overflow: clip;
  transition: height .34s cubic-bezier(.22, 1, .36, 1);
}

.auth-modal__panel {
  top: 0;
  left: 0;
  width: 100%;
  opacity: 0;
  pointer-events: none;
  position: absolute;
  visibility: hidden;
  transition: opacity .22s ease, visibility 0s linear .22s;
}

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

/* Impedisce che input/button nei pannelli inattivi intercettino i click. */
.auth-modal__panel:not(.active) input,
.auth-modal__panel:not(.active) button,
.auth-modal__panel:not(.active) select,
.auth-modal__panel:not(.active) textarea {
  pointer-events: none !important;
}

.auth-modal__panel.active {
  position: relative;
  visibility: visible;
  opacity: 1;
  pointer-events: auto;
  transition: opacity .22s ease .04s, visibility 0s linear 0s;
}

.auth-modal__field {
  display: grid;
  gap: 7px;
}

.auth-modal__field label {
  color: var(--text);
  font-size: .83rem;
  font-weight: 700;
}

.auth-modal__field input {
  width: 100%;
  height: 48px;
  padding: 0 15px;
  border: 1.5px solid var(--border);
  border-radius: 16px;
  outline: 0;
  color: var(--text);
  font-size: .92rem;
  background: var(--surface);
  transition: border-color var(--duration) var(--ease), box-shadow var(--duration) var(--ease);
}

.auth-modal__field input:focus {
  border-color: var(--text);
  box-shadow: 0 0 0 3px rgba(0, 0, 0, .09);
}

.auth-modal__password {
  position: relative;
}

.auth-modal__password input {
  padding-right: 48px;
}

.auth-modal__password-toggle {
  position: absolute;
  top: 50%;
  right: 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  color: var(--text-muted);
  transform: translateY(-50%);
}

.auth-modal__password-toggle:hover {
  color: var(--text);
}

.auth-modal__password-toggle svg {
  width: 19px;
  height: 19px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.auth-modal__password-strength {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 10px;
    max-height: 0;
    margin: 0 2px;
    overflow: hidden;
    opacity: 0;
    transform: translateY(-3px);
    transition: max-height .38s cubic-bezier(.22, 1, .36, 1), margin .38s cubic-bezier(.22, 1, .36, 1), opacity .26s ease, transform .38s cubic-bezier(.22, 1, .36, 1);
}

.auth-modal__password-strength.is-visible {
    max-height: 28px;
    margin: 10px 2px 0;
    opacity: 1;
    transform: translateY(0);
}

.auth-modal__password-meter {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 4px;
}

.auth-modal__password-meter span {
    height: 3px;
  border-radius: 999px;
  background: var(--border);
    transform-origin: center;
    transition: background .34s ease, transform .34s cubic-bezier(.22, 1, .36, 1);
}

.auth-modal__password-meter span:nth-child(2) { transition-delay: .03s; }
.auth-modal__password-meter span:nth-child(3) { transition-delay: .06s; }
.auth-modal__password-meter span:nth-child(4) { transition-delay: .09s; }

.auth-modal__password-meter span.is-met {
    background: #FFD84D;
    transform: scaleY(1.1);
}

.auth-modal__password-meter[data-strength="1"] span.is-met {
    background: #DE5A4B;
}

.auth-modal__password-meter[data-strength="2"] span.is-met {
    background: #E88B3A;
}

.auth-modal__password-meter[data-strength="3"] span.is-met {
    background: #E3B300;
}

.auth-modal__password-meter[data-strength="4"] span.is-met {
    background: #379A63;
}

.auth-modal__password-meter-label {
  color: var(--text-muted);
  font-size: .7rem;
  font-weight: 700;
  line-height: 1.3;
  white-space: nowrap;
  transition: color .24s var(--ease);
}

.auth-modal__password-meter-label[data-strength="1"] {
    color: #C44A3C;
}

.auth-modal__password-meter-label[data-strength="2"] {
    color: #B96824;
}

.auth-modal__password-meter-label[data-strength="3"] {
    color: #9B7200;
}

.auth-modal__password-meter-label[data-strength="4"] {
    color: #277548;
}

.auth-modal__link {
  justify-self: start;
  padding: 0;
  color: var(--text-secondary);
  font-size: .84rem;
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.auth-modal__link:hover {
  color: var(--text);
}

.auth-modal__submit {
  min-height: 48px;
  border-radius: 50px;
  color: #000;
  background: #FFD84D;
  font-size: .92rem;
  font-weight: 800;
  transition: background var(--duration) var(--ease), transform var(--duration) var(--ease);
}

.auth-modal__submit:hover {
  background: #F2C63E;
  transform: translateY(-1px);
}

.auth-modal__submit:disabled {
  cursor: wait;
  opacity: .65;
  transform: none;
}

.auth-modal__form[data-auth-panel="login"] .auth-modal__submit,
.auth-modal__register-step[data-auth-register-step="1"] .auth-modal__submit {
  margin-top: 28px;
}

.auth-modal__register-actions {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 28px;
}

.auth-modal__register-actions .auth-modal__submit {
  margin-top: 0;
}

.auth-modal__back {
  min-height: 48px;
  border: 1.5px solid var(--border);
  border-radius: 50px;
  color: var(--text);
  background: var(--surface);
  font-size: .92rem;
  font-weight: 800;
  transition: border-color var(--duration) var(--ease), background var(--duration) var(--ease);
}

.auth-modal__back:hover {
  border-color: var(--text);
  background: var(--surface-alt);
}

.auth-modal__notice {
  min-height: 0;
  margin: 0;
  padding: 0;
  color: #A43B2D;
  font-size: .83rem;
  line-height: 1.45;
}

.auth-modal__notice:not(:empty) {
  padding: 11px 13px;
  border-radius: 14px;
  background: #FFF1EE;
}

.auth-modal__success {
  padding: 12px 0 4px;
  text-align: center;
}

.auth-modal__success-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  margin-bottom: 14px;
  border-radius: 50%;
  background: #FFD84D;
}

.auth-modal__success.active .auth-modal__success-icon {
  animation: auth-success-pop .42s cubic-bezier(.22, 1, .36, 1) both;
}

.auth-modal__success-icon svg {
  width: 24px;
  height: 24px;
  fill: none;
  stroke: #000;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.auth-modal__success h3,
.auth-modal__forgot h3 {
  margin: 0 0 8px;
  color: var(--text);
  font-size: 1.2rem;
}

.auth-modal__forgot {
  gap: 20px;
  padding-top: 4px;
}

.auth-modal__forgot-intro {
  margin: 0;
  color: var(--text-secondary);
  font-size: .9rem;
  line-height: 1.5;
}

.auth-modal__forgot-actions {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 4px;
}

.auth-modal__success p,
.auth-modal__forgot p {
  margin: 0 0 20px;
  color: var(--text-secondary);
  font-size: .9rem;
  line-height: 1.5;
}

.auth-modal__forgot .auth-modal__forgot-intro {
  margin: 0;
}

.auth-modal__success .auth-modal__submit {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 148px;
  min-height: 50px;
  padding: 0 26px;
  box-shadow: 0 8px 18px rgba(255, 216, 77, .28);
}

.auth-modal__success .auth-modal__submit:hover {
  box-shadow: 0 10px 22px rgba(255, 216, 77, .36);
}

.auth-modal__footer {
  margin-top: 18px;
  color: var(--text-secondary);
  font-size: .82rem;
  text-align: left;
}

.auth-modal__footer a {
  color: var(--text);
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 3px;
}

@keyframes auth-success-pop {
  0% { opacity: 0; transform: scale(.72) rotate(-8deg); }
  100% { opacity: 1; transform: scale(1) rotate(0); }
}

@keyframes auth-register-step-in {
  from { opacity: 0; transform: translateX(8px); }
  to { opacity: 1; transform: translateX(0); }
}

@media (max-width: 520px) {
  .auth-modal-overlay {
    align-items: end;
    padding: 12px;
  }

  .auth-modal {
    width: 100%;
    max-height: min(760px, calc(100dvh - 24px));
    padding: 26px 20px 22px;
    border-radius: 28px;
  }

  .auth-modal__title {
    font-size: 1.42rem;
  }

}

@media (prefers-reduced-motion: reduce) {
  .auth-modal-overlay,
  .auth-modal,
  .auth-modal__tabs::before,
  .auth-modal__tab,
  .auth-modal__content,
  .auth-modal__panel,
  .auth-modal__success.active .auth-modal__success-icon {
    animation: none;
    transition-duration: .01ms;
  }
}