/* ============================================================
   Três Fios v2 — Auth modal (base_site adaptado)
   ============================================================ */

/* Modal overlay */
.auth-modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  z-index: var(--z-modal);
  background: rgba(31,8,13,0.8);
  backdrop-filter: blur(4px);
  align-items: center;
  justify-content: center;
  padding: 1rem;
}
.auth-modal-overlay.is-open { display: flex; }

.auth-modal {
  background: var(--branco);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 460px;
  max-height: 90vh;
  overflow-y: auto;
  padding: var(--sp-6);
  position: relative;
  box-shadow: var(--shadow-xl);
}

.auth-modal .close-modal {
  position: absolute;
  top: var(--sp-3);
  right: var(--sp-3);
  width: 36px; height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--cinza);
  cursor: pointer;
  transition: background var(--t-fast) ease;
  border: none;
  background: none;
}
.auth-modal .close-modal:hover { background: var(--cinza-fundo); }

.auth-modal h2 {
  font-family: var(--font-titulo);
  font-size: var(--fs-h3);
  color: var(--vinho);
  margin-bottom: var(--sp-5);
  text-align: center;
}

.auth-modal .modal-tabs {
  display: flex;
  gap: 0;
  margin-bottom: var(--sp-5);
  border-bottom: 2px solid var(--cinza-claro);
}

.auth-modal .tab-link {
  flex: 1;
  padding: var(--sp-3);
  text-align: center;
  font-size: var(--fs-sm);
  font-weight: 500;
  color: var(--cinza);
  cursor: pointer;
  border: none;
  background: none;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  transition: all var(--t-fast) ease;
}
.auth-modal .tab-link.active {
  color: var(--vinho);
  border-bottom-color: var(--dourado);
}

.auth-modal .tab-content { display: none; }
.auth-modal .tab-content.active { display: block; }

/* Forms */
.auth-modal .form-group { margin-bottom: var(--sp-4); }
.auth-modal label {
  display: block;
  font-size: var(--fs-sm);
  font-weight: 500;
  color: var(--grafite);
  margin-bottom: var(--sp-2);
}

.auth-modal .input-with-icon {
  position: relative;
  display: flex;
  align-items: center;
}
.auth-modal .input-with-icon i {
  position: absolute;
  left: 1rem;
  color: var(--cinza);
}
.auth-modal .input-with-icon .tf-input {
  width: 100%;
  padding-left: 2.75rem;
}

.auth-modal .tf-input {
  width: 100%;
  padding: 0.875rem 1.25rem;
  border: 1px solid var(--cinza-claro);
  border-radius: var(--radius-md);
  font-size: var(--fs-body);
  background: var(--branco);
  transition: border-color var(--t-fast) ease;
}
.auth-modal .tf-input:focus {
  outline: none;
  border-color: var(--vinho);
  box-shadow: 0 0 0 3px rgba(107,29,42,0.08);
}

.auth-modal .toggle-password-visibility {
  position: absolute;
  right: 1rem;
  cursor: pointer;
  color: var(--cinza);
}

.auth-modal .btn--block {
  width: 100%;
  margin-top: var(--sp-2);
}

.auth-modal .btn--danger {
  background: var(--erro);
  color: var(--branco);
  font-weight: 600;
  padding: 1rem;
  border-radius: var(--radius-sm);
  width: 100%;
  border: none;
  cursor: pointer;
  transition: background var(--t-fast) ease;
}
.auth-modal .btn--danger:hover { background: #991b1b; }

.auth-modal .form-message {
  display: none;
  padding: var(--sp-3);
  border-radius: var(--radius-sm);
  font-size: var(--fs-sm);
  margin-bottom: var(--sp-3);
}
.auth-modal .form-message.error {
  display: block;
  background: var(--erro-fundo);
  color: var(--erro);
}
.auth-modal .form-message.success {
  display: block;
  background: var(--sucesso-fundo);
  color: var(--sucesso);
}

.auth-modal .form-links {
  margin-top: var(--sp-4);
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
}
.auth-modal .form-links a {
  color: var(--cinza);
  font-size: var(--fs-sm);
  transition: color var(--t-fast) ease;
}
.auth-modal .form-links a:hover { color: var(--vinho); }

.auth-modal .password-hint {
  font-size: var(--fs-xs);
  color: var(--cinza);
  margin-top: var(--sp-1);
  display: block;
}

/* State classes */
.is-hidden { display: none !important; }

/* Loading */
.auth-modal .tf-loading {
  display: inline-block;
  width: 16px;
  height: 16px;
  border: 2px solid var(--cinza-claro);
  border-top-color: var(--dourado);
  border-radius: 50%;
  animation: tf-spin 0.8s linear infinite;
  vertical-align: middle;
  margin-right: var(--sp-2);
}

/* Password toggle */
.tf-input-password {
  position: relative;
}
.tf-input-password .tf-input {
  padding-right: 2.75rem;
}
.tf-input-password__toggle {
  position: absolute;
  right: 8px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--cinza);
  transition: color var(--t-fast) ease;
  z-index: 1;
}
.tf-input-password__toggle:hover {
  color: var(--vinho);
}
.tf-input-password__icon {
  width: 18px;
  height: 18px;
}