/* Autenticação integrada à landing cinematográfica.
   Todo o escopo fica isolado para não interferir nas cenas e seções. */
body.auth-modal-open {
  overflow: hidden;
}

.auth-modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: grid;
  place-items: center;
  padding: clamp(12px, 3vw, 28px);
  overflow-y: auto;
  overscroll-behavior: contain;
  background:
    radial-gradient(circle at 18% 12%, rgba(0, 229, 255, 0.13), transparent 34%),
    radial-gradient(circle at 84% 82%, rgba(153, 69, 255, 0.15), transparent 38%),
    rgba(1, 5, 13, 0.40);
  -webkit-backdrop-filter: blur(18px);
  backdrop-filter: blur(18px);
}

.auth-modal-backdrop[hidden] {
  display: none !important;
}

.auth-modal-backdrop [hidden] {
  display: none !important;
}

.auth-modal-backdrop:not([hidden]) .auth-dialog {
  animation: auth-dialog-in 240ms cubic-bezier(0.16, 1, 0.3, 1) both;
}

.auth-dialog {
  position: relative;
  width: calc(100vw - 40px);
  max-width: 470px;
  padding: clamp(24px, 4vw, 36px);
  color: #f7f9ff;
  border: 1px solid rgba(145, 173, 212, 0.22);
  border-radius: 24px;
  background:
    linear-gradient(145deg, rgba(11, 24, 43, 0.98), rgba(4, 11, 24, 0.99));
  box-shadow:
    0 34px 90px rgba(0, 0, 0, 0.62),
    0 0 52px rgba(0, 229, 255, 0.07),
    inset 0 1px 0 rgba(255, 255, 255, 0.06);
}

.auth-dialog--signup {
  max-width: 780px;
  max-height: calc(100vh - clamp(24px, 6vw, 56px));
  max-height: calc(100dvh - clamp(24px, 6vw, 56px));
  overflow-y: auto;
  scrollbar-color: rgba(0, 229, 255, 0.55) rgba(255, 255, 255, 0.06);
}

.auth-dialog h2,
.auth-dialog h3,
.auth-dialog p {
  margin-top: 0;
}

.auth-title {
  margin-bottom: 10px;
  font-family: var(--fonte-display, inherit);
  font-size: clamp(1.7rem, 5vw, 2.35rem);
  line-height: 1.05;
  letter-spacing: -0.015em;
}

.auth-section-title {
  margin: 24px 0 14px;
  padding-bottom: 9px;
  font-family: var(--fonte-display, inherit);
  font-size: 1rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-bottom: 1px solid rgba(145, 173, 212, 0.18);
}

.auth-kicker {
  margin-bottom: 9px;
  color: var(--musiup-ciano, #00e5ff);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.auth-muted {
  color: #b9c3d2;
  font-size: 0.96rem;
  line-height: 1.55;
}

.auth-small {
  font-size: 0.86rem;
}

.auth-close {
  position: absolute;
  top: 14px;
  right: 14px;
  z-index: 2;
  display: grid;
  width: 38px;
  height: 38px;
  padding: 0;
  place-items: center;
  color: #d9e2ef;
  font: inherit;
  font-size: 1.3rem;
  line-height: 1;
  cursor: pointer;
  border: 1px solid rgba(145, 173, 212, 0.2);
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.055);
  transition: transform 180ms ease, color 180ms ease, background 180ms ease;
}

.auth-close:hover,
.auth-close:focus-visible {
  color: #fff;
  background: rgba(255, 255, 255, 0.13);
  transform: rotate(90deg);
}

.auth-field {
  display: flex;
  flex-direction: column;
  gap: 7px;
  margin-bottom: 14px;
  color: #e9eef7;
  font-size: 0.88rem;
  font-weight: 650;
}

.auth-field input {
  width: 100%;
  min-height: 48px;
  padding: 12px 14px;
  color: #f7f9ff;
  font: inherit;
  font-size: 1rem;
  border: 1px solid rgba(145, 173, 212, 0.24);
  border-radius: 12px;
  outline: none;
  background: rgba(0, 0, 0, 0.24);
  transition: border-color 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

.auth-field input:focus {
  border-color: rgba(0, 229, 255, 0.72);
  background: rgba(0, 0, 0, 0.38);
  box-shadow: 0 0 0 3px rgba(0, 229, 255, 0.12);
}

.auth-field input::placeholder {
  color: #748198;
}

.auth-grid {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(110px, 1fr);
  gap: 12px;
}

.auth-grid--balanced {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.auth-actions {
  display: flex;
  gap: 10px;
  margin-top: 14px;
}

.auth-actions--column {
  flex-direction: column;
}

.auth-actions button,
.auth-actions a {
  display: inline-flex;
  min-height: 48px;
  padding: 12px 18px;
  align-items: center;
  justify-content: center;
  color: #021017;
  font: inherit;
  font-weight: 800;
  text-align: center;
  text-decoration: none;
  cursor: pointer;
  border: 0;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--musiup-ciano, #00e5ff), #62f1ff);
  box-shadow: 0 12px 30px rgba(0, 229, 255, 0.18);
  transition: transform 180ms ease, box-shadow 180ms ease, opacity 180ms ease;
}

.auth-actions button:hover,
.auth-actions a:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 36px rgba(0, 229, 255, 0.25);
}

.auth-actions button:disabled {
  cursor: wait;
  opacity: 0.58;
  transform: none;
}

.auth-actions .secondary {
  color: #ecf2fb;
  border: 1px solid rgba(145, 173, 212, 0.28);
  background: rgba(255, 255, 255, 0.055);
  box-shadow: none;
}

.auth-account-card {
  margin: 18px 0;
  padding: 16px;
  border: 1px solid rgba(145, 173, 212, 0.18);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.045);
}

.auth-account-email {
  margin-top: 5px;
  font-weight: 800;
  overflow-wrap: anywhere;
}

.auth-check {
  display: grid;
  grid-template-columns: 20px 1fr;
  gap: 10px;
  margin-bottom: 12px;
  align-items: start;
  color: #c7d0dd;
  font-size: 0.84rem;
  line-height: 1.5;
  cursor: pointer;
}

.auth-check input {
  width: 18px;
  height: 18px;
  margin: 2px 0 0;
  accent-color: var(--musiup-ciano, #00e5ff);
}

.auth-message {
  min-height: 1.35em;
  margin: 12px 0 0;
  font-size: 0.88rem;
  line-height: 1.5;
}

.auth-message a {
  color: var(--musiup-ciano, #00e5ff) !important;
}

.auth-success-mark {
  margin-bottom: 12px;
  color: var(--musiup-ciano, #00e5ff);
  font-size: 2.8rem;
  line-height: 1;
}

@keyframes auth-dialog-in {
  from { opacity: 0; transform: translateY(14px) scale(0.975); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

@media (max-width: 640px) {
  .auth-modal-backdrop {
    padding: 10px;
    place-items: start center;
  }

  .auth-dialog {
    width: calc(100vw - 20px);
    margin: auto 0;
    padding: 24px 18px 20px;
    border-radius: 19px;
  }

  .auth-dialog--signup {
    max-height: calc(100vh - 20px);
    max-height: calc(100dvh - 20px);
  }

  .auth-grid,
  .auth-grid--balanced {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .auth-check {
    font-size: 0.8rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .auth-modal-backdrop:not([hidden]) .auth-dialog {
    animation: none;
  }

  .auth-close,
  .auth-actions button,
  .auth-actions a {
    transition: none;
  }
}