/* ========================================
   AUTH DARK THEME - MINIMALISTA PROFISSIONAL
   ======================================== */

/* Importar fontes */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&family=Manrope:wght@400;500;600&display=swap');

/* Variáveis CSS */
:root {
  /* Cores - usando variáveis globais */
  --bg-base: #0B0F14;
  --bg-card: #0F141B;
  --text-primary: #E6EAF0;
  --text-secondary: #9AA4B2;
  --text-placeholder: #738099;
  --border-default: #263041;
  --border-focus: var(--color-primary);
  --accent-primary: var(--color-primary);
  --accent-hover: var(--color-accent);
  --error-border: var(--color-primary);
  --error-text: var(--color-primary);
  --success-text: var(--color-success);
  
  /* Tipografia */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-title: 26px;
  --font-title-weight: 600;
  --font-label: 14px;
  --font-label-weight: 500;
  --font-input: 16px;
  --font-input-weight: 400;
  --font-cta: 15px;
  --font-cta-weight: 600;
  --font-error: 13px;
  
  /* Espaçamentos */
  --spacing-xs: 8px;
  --spacing-sm: 12px;
  --spacing-md: 16px;
  --spacing-lg: 20px;
  --spacing-xl: 28px;
  
  /* Componentes */
  --input-height: 44px;
  --input-radius: 10px;
  --input-border: 1px;
  --focus-ring: 2px;
  --card-max-width: 460px;
  --card-max-width-register: 560px;
  --card-padding: 32px;
}

/* Reset e base */
* {
  box-sizing: border-box;
}

body {
  font-family: var(--font-family);
  background-color: var(--bg-base);
  color: var(--text-primary);
  margin: 0;
  padding: 0;
  min-height: 100vh;
  line-height: 1.5;
}

/* Container principal */
.auth-container {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-md);
}

/* Card de autenticação */
.auth-card {
  width: 100%;
  max-width: var(--card-max-width);
  background-color: var(--bg-card);
  border: var(--input-border) solid var(--border-default);
  border-radius: var(--input-radius);
  padding: var(--card-padding);
  position: relative;
}

/* Logo */
.auth-logo {
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

.auth-logo-img {
  max-height: 60px;
  max-width: 200px;
  width: auto;
  height: auto;
  object-fit: contain;
  filter: brightness(1.1);
  transition: all 0.3s ease;
}

.auth-logo-img:hover {
  transform: scale(1.05);
  filter: brightness(1.2);
}

/* Título */
.auth-title {
  font-size: var(--font-title);
  font-weight: var(--font-title-weight);
  color: var(--text-primary);
  margin: 0 0 var(--spacing-sm) 0;
  text-align: left;
}

.auth-subtitle {
  font-size: 14px;
  font-weight: 400;
  color: var(--text-secondary);
  margin: 0 0 var(--spacing-lg) 0;
  text-align: left;
  line-height: 1.5;
}

/* Indicador de força da senha */
.password-strength {
  margin-top: var(--spacing-xs);
}

.strength-bar {
  width: 100%;
  height: 4px;
  background-color: var(--border-default);
  border-radius: 2px;
  overflow: hidden;
  margin-bottom: var(--spacing-xs);
}

.strength-fill {
  height: 100%;
  width: 0%;
  transition: width 0.3s ease, background-color 0.3s ease;
  border-radius: 2px;
}

.strength-text {
  font-size: 12px;
  font-weight: 500;
  display: block;
  text-align: left;
}

/* Formulário */
.auth-form {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

/* Seções do formulário */
.auth-section {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
  margin-bottom: var(--spacing-lg);
}

.auth-section:last-child {
  margin-bottom: 0;
}

/* Labels */
.auth-label {
  font-size: var(--font-label);
  font-weight: var(--font-label-weight);
  color: var(--text-primary);
  margin-bottom: var(--spacing-xs);
  display: block;
}

/* Inputs */
.auth-input {
  width: 100%;
  height: var(--input-height);
  padding: 0 var(--spacing-md);
  font-size: var(--font-input);
  font-weight: var(--font-input-weight);
  color: var(--text-primary);
  background-color: var(--bg-card);
  border: var(--input-border) solid var(--border-default);
  border-radius: var(--input-radius);
  transition: all 0.2s ease;
  outline: none;
}

.auth-input::placeholder {
  color: var(--text-placeholder);
}

.auth-input:focus {
  border-color: var(--border-focus);
  box-shadow: 0 0 0 var(--focus-ring) var(--border-focus);
}

.auth-input:invalid {
  border-color: var(--error-border);
}

/* Input com ícone */
.auth-input-group {
  position: relative;
  display: flex;
  align-items: center;
}

.auth-input-group .auth-input {
  padding-right: 44px;
}

.auth-input-icon {
  position: absolute;
  right: var(--spacing-md);
  color: var(--text-secondary);
  cursor: pointer;
  user-select: none;
  font-size: 18px;
}

/* Checkbox */
.auth-checkbox {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-xs);
  margin: var(--spacing-lg) 0;
}

.auth-checkbox input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--accent-primary);
  margin: 0;
  flex-shrink: 0;
  margin-top: 2px;
}

.auth-checkbox label {
  font-size: var(--font-label);
  color: var(--text-secondary);
  line-height: 1.4;
  cursor: pointer;
}

.auth-checkbox a {
  color: var(--accent-primary);
  text-decoration: none;
}

.auth-checkbox a:hover {
  text-decoration: underline;
}

/* Botões */
.auth-btn {
  width: 100%;
  height: var(--input-height);
  font-size: var(--font-cta);
  font-weight: var(--font-cta-weight);
  color: #071018;
  background-color: var(--accent-primary);
  border: none;
  border-radius: var(--input-radius);
  cursor: pointer;
  transition: all 0.2s ease;
  outline: none;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xs);
}

.auth-btn:hover {
  background-color: var(--accent-hover);
}

.auth-btn:focus {
  box-shadow: 0 0 0 var(--focus-ring) var(--border-focus);
}

.auth-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

/* Links */
.auth-link {
  color: var(--accent-primary);
  text-decoration: none;
  font-size: var(--font-label);
  transition: color 0.2s ease;
}

.auth-link:hover {
  color: var(--accent-hover);
  text-decoration: underline;
}

.auth-link-secondary {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: var(--font-label);
  transition: color 0.2s ease;
}

.auth-link-secondary:hover {
  color: var(--text-primary);
  text-decoration: underline;
}

/* Mensagens de erro */
.auth-error {
  font-size: var(--font-error);
  color: var(--error-text);
  margin-top: var(--spacing-xs);
  display: block;
}

.auth-input.error {
  border-color: var(--error-border);
}

/* Mensagens de sucesso */
.auth-success {
  font-size: var(--font-error);
  color: var(--success-text);
  margin-top: var(--spacing-xs);
  display: block;
}

/* Avisos */
.auth-warning {
  font-size: var(--font-error);
  color: var(--text-secondary);
  margin-top: var(--spacing-xs);
  display: block;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* Alertas */
.auth-alert {
  padding: var(--spacing-md);
  border-radius: var(--input-radius);
  margin-bottom: var(--spacing-lg);
  font-size: var(--font-label);
}

.auth-alert-success {
  background-color: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.3);
  color: var(--success-text);
}

.auth-alert-error {
  background-color: rgba(248, 113, 113, 0.1);
  border: 1px solid rgba(248, 113, 113, 0.3);
  color: var(--error-text);
}

.auth-alert-info {
  background-color: rgba(0, 255, 198, 0.1);
  border: 1px solid rgba(0, 255, 198, 0.3);
  color: var(--accent-primary);
}

/* Links de navegação */
.auth-nav {
  text-align: center;
  margin-top: var(--spacing-lg);
}

.auth-nav a {
  display: inline-block;
  margin: var(--spacing-xs) 0;
}

/* SSO (opcional) */
.auth-sso {
  margin: var(--spacing-lg) 0;
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--border-default);
}

.auth-sso-buttons {
  display: flex;
  gap: var(--spacing-sm);
}

.auth-sso-btn {
  flex: 1;
  height: var(--input-height);
  background-color: transparent;
  border: var(--input-border) solid var(--border-default);
  border-radius: var(--input-radius);
  color: var(--text-primary);
  font-size: var(--font-label);
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xs);
}

.auth-sso-btn:hover {
  border-color: var(--border-focus);
  background-color: rgba(0, 255, 198, 0.05);
}

/* Responsividade */
@media (max-width: 480px) {
  .auth-container {
    padding: var(--spacing-sm);
  }
  
  .auth-card {
    padding: var(--spacing-md);
  }
  
  .auth-title {
    font-size: 20px;
  }
  
  .auth-sso-buttons {
    flex-direction: column;
  }
}

@media (min-width: 481px) and (max-width: 768px) {
  .auth-card {
    padding: var(--spacing-xl);
  }
}

/* Estados de foco para acessibilidade */
.auth-input:focus-visible,
.auth-btn:focus-visible,
.auth-link:focus-visible {
  outline: 2px solid var(--border-focus);
  outline-offset: 2px;
}

/* Animações suaves */
.auth-card {
  animation: fadeInUp 0.3s ease-out;
}

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

/* Utilitários */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--spacing-xs); }
.mt-2 { margin-top: var(--spacing-sm); }
.mt-3 { margin-top: var(--spacing-md); }
.mt-4 { margin-top: var(--spacing-lg); }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--spacing-xs); }
.mb-2 { margin-bottom: var(--spacing-sm); }
.mb-3 { margin-bottom: var(--spacing-md); }
.mb-4 { margin-bottom: var(--spacing-lg); }

.hidden { display: none; }
.visible { display: block; }

/* Loading spinner */
.auth-loading {
  width: 16px;
  height: 16px;
  border: 2px solid transparent;
  border-top: 2px solid currentColor;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* ========================================
   STEPPER E ETAPAS DO REGISTRO
   ======================================== */

/* Card de registro com largura maior */
.auth-card.register {
  max-width: var(--card-max-width-register);
}

/* Stepper */
.auth-stepper {
  margin-bottom: var(--spacing-lg);
  padding-bottom: var(--spacing-lg);
  border-bottom: 1px solid var(--border-default);
}

.auth-stepper-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-sm);
}

.auth-stepper-title {
  font-size: var(--font-label);
  font-weight: var(--font-label-weight);
  color: var(--text-secondary);
}

.auth-stepper-progress {
  width: 100%;
  height: 2px;
  background-color: var(--border-default);
  border-radius: 1px;
  overflow: hidden;
}

.auth-stepper-progress-bar {
  height: 100%;
  background-color: var(--accent-primary);
  transition: width 0.3s ease;
  border-radius: 1px;
}

/* Etapas */
.auth-step {
  display: none;
  opacity: 0;
  transform: translateX(20px);
  transition: all 0.12s ease;
}

.auth-step.active {
  display: block;
  opacity: 1;
  transform: translateX(0);
}

.auth-step-title {
  font-size: var(--font-title);
  font-weight: var(--font-title-weight);
  color: var(--text-primary);
  margin: 0 0 var(--spacing-lg) 0;
}

.auth-step-description {
  font-size: var(--font-label);
  color: var(--text-secondary);
  margin-bottom: var(--spacing-lg);
  line-height: 1.4;
}

/* Navegação entre etapas */
.auth-step-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: var(--spacing-lg);
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--border-default);
}

.auth-step-nav-left {
  flex: 1;
}

.auth-step-nav-right {
  flex: 1;
  display: flex;
  justify-content: flex-end;
}

.auth-btn-back {
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: var(--font-label);
  cursor: pointer;
  padding: var(--spacing-xs) 0;
  transition: color 0.2s ease;
}

.auth-btn-back:hover {
  color: var(--text-primary);
}

.auth-btn-back:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Resumo da última etapa */
.auth-summary {
  background-color: rgba(0, 255, 198, 0.05);
  border: 1px solid rgba(0, 255, 198, 0.2);
  border-radius: var(--input-radius);
  padding: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.auth-summary-title {
  font-size: var(--font-label);
  font-weight: var(--font-label-weight);
  color: var(--accent-primary);
  margin-bottom: var(--spacing-sm);
}

.auth-summary-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-xs) 0;
  border-bottom: 1px solid rgba(0, 255, 198, 0.1);
}

.auth-summary-item:last-child {
  border-bottom: none;
}

.auth-summary-label {
  font-size: var(--font-label);
  color: var(--text-secondary);
}

.auth-summary-value {
  font-size: var(--font-label);
  color: var(--text-primary);
  font-weight: var(--font-label-weight);
}

.auth-summary-edit {
  background: none;
  border: none;
  color: var(--accent-primary);
  font-size: 12px;
  cursor: pointer;
  text-decoration: underline;
  margin-left: var(--spacing-xs);
}

/* Indicador de requisitos de senha */
.auth-password-requirements {
  margin-top: var(--spacing-xs);
  font-size: 12px;
  color: var(--text-secondary);
  line-height: 1.4;
}

.auth-password-requirements ul {
  margin: 0;
  padding-left: 16px;
}

.auth-password-requirements li {
  margin-bottom: 2px;
}

.auth-password-requirements .valid {
  color: var(--success-text);
}

.auth-password-requirements .invalid {
  color: var(--error-text);
}

/* Dicas de validação */
.auth-field-hint {
  font-size: 12px;
  color: var(--text-secondary);
  margin-top: var(--spacing-xs);
  line-height: 1.3;
}

/* Transições suaves */
.auth-step-transition {
  transition: opacity 0.12s ease, transform 0.12s ease;
}

/* Estados de validação por etapa */
.auth-step-valid {
  border-left: 3px solid var(--success-text);
  padding-left: var(--spacing-sm);
}

.auth-step-invalid {
  border-left: 3px solid var(--error-border);
  padding-left: var(--spacing-sm);
}