/* ==========================================================================
   Hiperkupa - Cadastro Presencial de Clientes
   Mobile-First Stylesheet (Vanilla CSS)
   ========================================================================== */

:root {
  --primary: #582C83;
  --primary-hover: #461F6E;
  --primary-light: #F2ECF9;
  --primary-glow: rgba(88, 44, 131, 0.18);
  --accent: #FFB800;
  
  --bg-page: #F6F7FB;
  --bg-card: #FFFFFF;
  --text-main: #1E293B;
  --text-muted: #64748B;
  --text-light: #94A3B8;
  
  --border-color: #E2E8F0;
  --border-focus: #582C83;
  --error: #DC2626;
  --error-bg: #FEF2F2;
  --error-border: #F87171;
  --success: #16A34A;
  --success-bg: #F0FDF4;

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 14px rgba(88, 44, 131, 0.08);
  --shadow-lg: 0 10px 25px rgba(88, 44, 131, 0.12);
  --transition: all 0.2s ease-in-out;
}

/* Reset básico e tipografia */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background-color: var(--bg-page);
  color: var(--text-main);
  line-height: 1.5;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  padding: 16px;
  overflow-x: hidden;
}

/* Container Principal Mobile-First */
.app-container {
  width: 100%;
  max-width: 460px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
}

/* Cabeçalho */
.header {
  text-align: center;
  padding: 16px 8px 20px 8px;
}

.brand-title {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: -0.5px;
  text-transform: uppercase;
  margin-bottom: 4px;
}

.brand-badge {
  display: inline-block;
  background-color: var(--primary-light);
  color: var(--primary);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 20px;
  letter-spacing: 0.2px;
}

/* Card do Formulário */
.card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-color);
  padding: 24px 20px;
  transition: var(--transition);
}

/* Alertas de Notificação */
.alert-banner {
  display: none;
  align-items: flex-start;
  gap: 10px;
  padding: 12px 14px;
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  margin-bottom: 20px;
  line-height: 1.4;
}

.alert-banner.show {
  display: flex;
  animation: fadeIn 0.3s ease;
}

.alert-error {
  background-color: var(--error-bg);
  border: 1px solid var(--error-border);
  color: var(--error);
}

/* Grupo de Campos */
.form-group {
  margin-bottom: 18px;
  display: flex;
  flex-direction: column;
  position: relative;
}

.form-label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 6px;
  display: flex;
  align-items: center;
}

.form-label .required {
  color: var(--error);
  margin-left: 4px;
}

.form-label .optional {
  color: var(--text-muted);
  font-weight: 400;
  font-size: 0.8rem;
  margin-left: 6px;
}

/* Inputs de Texto */
.input-control {
  width: 100%;
  height: 48px;
  padding: 12px 14px;
  font-size: 1rem; /* 16px evita zoom automático no Safari iOS */
  color: var(--text-main);
  background-color: #FAFAFC;
  border: 1.5px solid var(--border-color);
  border-radius: var(--radius-md);
  outline: none;
  transition: var(--transition);
}

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

.input-control:focus {
  background-color: #FFFFFF;
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px var(--primary-glow);
}

/* Campo de Telefone com Prefixo Angola (+244) */
.phone-input-wrapper {
  display: flex;
  align-items: center;
  background-color: #FAFAFC;
  border: 1.5px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: var(--transition);
}

.phone-input-wrapper:focus-within {
  background-color: #FFFFFF;
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px var(--primary-glow);
}

.phone-prefix {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 0 12px;
  height: 48px;
  background-color: #F1F3F9;
  color: var(--text-main);
  font-weight: 600;
  font-size: 0.95rem;
  border-right: 1.5px solid var(--border-color);
  user-select: none;
  flex-shrink: 0;
}

.phone-flag {
  font-size: 1.2rem;
  line-height: 1;
}

.phone-input-wrapper .input-control {
  border: none;
  background: transparent;
  box-shadow: none;
}

/* Campo de Palavra-passe com Botão de Revelar */
.password-input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.password-input-wrapper .input-control {
  padding-right: 46px;
}

.toggle-password-btn {
  position: absolute;
  right: 8px;
  background: none;
  border: none;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.toggle-password-btn:hover {
  color: var(--primary);
  background-color: var(--primary-light);
}

.toggle-password-btn svg {
  width: 20px;
  height: 20px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* Checkbox dos Termos e Condições */
.checkbox-group {
  margin-top: 6px;
  margin-bottom: 24px;
}

.checkbox-label {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  cursor: pointer;
  font-size: 0.9rem;
  color: var(--text-main);
  user-select: none;
}

.checkbox-control {
  position: absolute;
  opacity: 0;
  cursor: pointer;
}

.custom-checkbox {
  width: 20px;
  height: 20px;
  min-width: 20px;
  border: 1.5px solid var(--border-color);
  border-radius: 6px;
  background-color: #FAFAFC;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 2px;
  transition: var(--transition);
}

.custom-checkbox svg {
  display: none;
  width: 14px;
  height: 14px;
  stroke: #FFFFFF;
  stroke-width: 3;
}

.checkbox-control:checked + .custom-checkbox {
  background-color: var(--primary);
  border-color: var(--primary);
}

.checkbox-control:checked + .custom-checkbox svg {
  display: block;
}

.checkbox-control:focus + .custom-checkbox {
  box-shadow: 0 0 0 3px var(--primary-glow);
}

.terms-link {
  color: var(--primary);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* Mensagens e Estados de Erro */
.error-message {
  display: none;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--error);
  margin-top: 5px;
  line-height: 1.3;
}

.has-error .input-control,
.has-error.phone-input-wrapper {
  border-color: var(--error) !important;
  background-color: var(--error-bg);
}

.has-error .custom-checkbox {
  border-color: var(--error) !important;
}

.has-error .error-message {
  display: block;
  animation: shake 0.2s ease-in-out;
}

/* Botão Principal */
.btn-submit {
  width: 100%;
  height: 52px;
  background-color: var(--primary);
  color: #FFFFFF;
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.btn-submit:hover:not(:disabled) {
  background-color: var(--primary-hover);
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

.btn-submit:active:not(:disabled) {
  transform: translateY(0);
}

.btn-submit:disabled {
  opacity: 0.75;
  cursor: not-allowed;
  transform: none;
}

/* Spinner de Carregamento */
.spinner {
  display: none;
  width: 20px;
  height: 20px;
  border: 2.5px solid rgba(255, 255, 255, 0.3);
  border-top-color: #FFFFFF;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

.is-loading .spinner {
  display: block;
}

/* Tela de Sucesso */
.success-screen {
  display: none;
  text-align: center;
  padding: 30px 10px;
}

.success-screen.show {
  display: block;
  animation: fadeIn 0.35s ease;
}

.success-icon-badge {
  width: 72px;
  height: 72px;
  background-color: var(--success-bg);
  border: 2px solid var(--success);
  color: var(--success);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px auto;
  font-size: 2rem;
  font-weight: 800;
}

.success-icon-badge svg {
  width: 36px;
  height: 36px;
  stroke: var(--success);
  stroke-width: 3;
}

.success-title {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 8px;
}

.success-desc {
  font-size: 0.95rem;
  color: var(--text-muted);
  margin-bottom: 28px;
}

.btn-secondary {
  width: 100%;
  height: 50px;
  background-color: var(--primary);
  color: #FFFFFF;
  font-size: 1rem;
  font-weight: 700;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: var(--transition);
}

.btn-secondary:hover {
  background-color: var(--primary-hover);
}

/* Rodapé */
.footer {
  text-align: center;
  font-size: 0.75rem;
  color: var(--text-light);
  margin-top: 24px;
  padding-bottom: 12px;
}

/* Animações */
@keyframes spin {
  to { transform: rotate(360deg); }
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-4px); }
  75% { transform: translateX(4px); }
}

/* Responsividade adicional para telas muito pequenas (<= 360px) */
@media (max-width: 360px) {
  body {
    padding: 10px 8px;
  }
  .card {
    padding: 18px 14px;
  }
  .brand-title {
    font-size: 1.5rem;
  }
  .phone-prefix {
    padding: 0 8px;
    font-size: 0.85rem;
  }
}