/* ===== VARIÁVEIS ===== */
:root {
  /* Cores Principais */
  --color-primary: #4361ee;
  --color-primary-light: #4895ef;
  --color-primary-dark: #3a0ca3;

  --color-secondary: #7209b7;
  --color-success: #4cc9f0;
  --color-warning: #f8961e;
  --color-error: #f94144;

  /* Cores Neutras */
  --color-white: #ffffff;
  --color-gray-50: #f8fafc;
  --color-gray-100: #f1f5f9;
  --color-gray-200: #e2e8f0;
  --color-gray-300: #cbd5e1;
  --color-gray-400: #94a3b8;
  --color-gray-500: #64748b;
  --color-gray-600: #475569;
  --color-gray-700: #334155;
  --color-gray-800: #1e293b;
  --color-gray-900: #0f172a;

  /* Tipografia */
  --font-family: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;

  /* Espaçamento */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;

  /* Bordas */
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-full: 9999px;

  /* Sombras */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1),
    0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1),
    0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1),
    0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);

  /* Transições */
  --transition-fast: 150ms ease;
  --transition-normal: 300ms ease;
  --transition-slow: 500ms ease;
}

/* ===== ESTILOS GERAIS ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
}

body {
  font-family: var(--font-family);
  line-height: 1.5;
  color: var(--color-gray-700);
  background-color: var(--color-gray-50);
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
}

/* ===== BACKGROUND ===== */
.background-gradient {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(
    135deg,
    rgba(67, 97, 238, 0.1) 0%,
    rgba(114, 9, 183, 0.1) 50%,
    rgba(76, 201, 240, 0.1) 100%
  );
  z-index: -1;
}

/* ===== CONTAINER PRINCIPAL ===== */
.signup-container {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-xl);
  position: relative;
  animation: fadeIn 0.6s ease-out;
}

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

/* ===== CARD DE CADASTRO ===== */
.signup-card {
  background: var(--color-white);
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-2xl);
  padding: var(--spacing-2xl);
  max-width: 500px;
  width: 100%;
  margin: 0 auto;
  position: relative;
  overflow: hidden;
  animation: slideUp 0.8s ease-out;
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(40px) scale(0.95);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.signup-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(
    to right,
    var(--color-primary),
    var(--color-secondary)
  );
}

/* ===== HEADER DO CARD ===== */
.signup-header {
  text-align: center;
  margin-bottom: var(--spacing-2xl);
}

.logo-container {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.logo-img {
  width: 60px;
  height: 60px;
  border-radius: var(--radius-lg);
  object-fit: cover;
  box-shadow: var(--shadow-md);
}

.logo-text h1 {
  font-size: var(--font-size-2xl);
  font-weight: 800;
  color: var(--color-gray-900);
  margin: 0;
}

.logo-subtitle {
  font-size: var(--font-size-sm);
  color: var(--color-gray-500);
  margin-top: var(--spacing-xs);
}

.signup-intro {
  margin-bottom: var(--spacing-lg);
}

.signup-title {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  color: var(--color-gray-900);
  margin-bottom: var(--spacing-sm);
  line-height: 1.2;
}

.signup-subtitle {
  font-size: var(--font-size-base);
  color: var(--color-gray-600);
  line-height: 1.6;
}

.trial-badge {
  margin-top: var(--spacing-md);
}

.badge-tag {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  background: linear-gradient(135deg, var(--color-success), #38b000);
  color: var(--color-white);
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: 600;
  box-shadow: var(--shadow-md);
}

/* ===== FORMULÁRIO ===== */
#signup-form {
  margin-bottom: var(--spacing-2xl);
}

.form-group {
  margin-bottom: var(--spacing-lg);
}

.form-label {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-weight: 600;
  color: var(--color-gray-700);
  margin-bottom: var(--spacing-sm);
  font-size: var(--font-size-sm);
}

.form-label i {
  color: var(--color-primary);
}

.input-wrapper {
  position: relative;
}

.form-input {
  width: 100%;
  padding: var(--spacing-md) var(--spacing-lg) var(--spacing-md)
    calc(var(--spacing-lg) * 2);
  border: 2px solid var(--color-gray-200);
  border-radius: var(--radius-lg);
  font-size: var(--font-size-base);
  color: var(--color-gray-800);
  background-color: var(--color-white);
  transition: all var(--transition-normal);
  font-family: var(--font-family);
}

.form-input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 4px rgba(67, 97, 238, 0.1);
  transform: translateY(-1px);
}

.form-input::placeholder {
  color: var(--color-gray-400);
}

.input-icon {
  position: absolute;
  left: var(--spacing-lg);
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-gray-500);
  pointer-events: none;
}

.password-toggle {
  position: absolute;
  right: var(--spacing-md);
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--color-gray-500);
  cursor: pointer;
  padding: var(--spacing-xs);
  transition: color var(--transition-fast);
}

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

.form-feedback {
  display: none;
  font-size: var(--font-size-sm);
  color: var(--color-error);
  margin-top: var(--spacing-xs);
  font-weight: 500;
}

.form-hint {
  display: block;
  font-size: var(--font-size-xs);
  color: var(--color-gray-500);
  margin-top: var(--spacing-xs);
}

/* ===== FORÇA DA SENHA ===== */
.password-strength {
  margin-top: var(--spacing-md);
}

.strength-bar {
  height: 6px;
  background-color: var(--color-gray-200);
  border-radius: var(--radius-full);
  overflow: hidden;
  margin-bottom: var(--spacing-xs);
}

.strength-progress {
  height: 100%;
  width: 0%;
  border-radius: var(--radius-full);
  transition: all var(--transition-normal);
}

.strength-text {
  font-size: var(--font-size-xs);
  color: var(--color-gray-500);
  font-weight: 500;
}

.password-tips {
  font-size: var(--font-size-xs);
  color: var(--color-gray-500);
  margin-top: var(--spacing-xs);
  font-style: italic;
}

/* ===== CHECKBOX ===== */
.terms-group {
  margin-top: var(--spacing-xl);
}

.checkbox-wrapper {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
}

.checkbox-input {
  display: none;
}

.checkbox-label {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
  cursor: pointer;
  user-select: none;
}

.checkbox-box {
  width: 20px;
  height: 20px;
  border: 2px solid var(--color-gray-300);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all var(--transition-normal);
  margin-top: 2px;
}

.checkbox-check {
  color: var(--color-white);
  font-size: 12px;
  opacity: 0;
  transform: scale(0);
  transition: all var(--transition-normal);
}

.checkbox-input:checked + .checkbox-label .checkbox-box {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
}

.checkbox-input:checked + .checkbox-label .checkbox-check {
  opacity: 1;
  transform: scale(1);
}

.checkbox-text {
  font-size: var(--font-size-sm);
  color: var(--color-gray-700);
  line-height: 1.5;
}

.terms-link {
  color: var(--color-primary);
  text-decoration: none;
  font-weight: 600;
  transition: color var(--transition-fast);
}

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

/* ===== BOTÃO DE CADASTRO ===== */
.signup-button {
  width: 100%;
  background: linear-gradient(
    135deg,
    var(--color-primary) 0%,
    var(--color-secondary) 100%
  );
  color: var(--color-white);
  border: none;
  border-radius: var(--radius-lg);
  padding: var(--spacing-md) var(--spacing-xl);
  font-size: var(--font-size-base);
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
  margin-top: var(--spacing-xl);
}

.signup-button:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.signup-button:active {
  transform: translateY(0);
}

.signup-button:disabled {
  opacity: 0.7;
  cursor: not-allowed;
  transform: none !important;
}

.button-content {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  transition: opacity var(--transition-normal);
}

.button-text {
  font-weight: 600;
}

.button-icon {
  font-size: 1.2em;
}

.button-loader {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.loader {
  width: 20px;
  height: 20px;
  border: 2px solid var(--color-white);
  border-bottom-color: transparent;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

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

.signup-button.loading .button-content {
  opacity: 0;
}

.signup-button.loading .button-loader {
  opacity: 1;
}

/* ===== FOOTER DO CARD ===== */
.signup-footer {
  border-top: 2px solid var(--color-gray-100);
  padding-top: var(--spacing-xl);
}

.benefits-grid {
  display: grid;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
}

.benefit-item {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-md);
}

.benefit-icon {
  color: var(--color-success);
  font-size: var(--font-size-lg);
  flex-shrink: 0;
  margin-top: 2px;
}

.benefit-content h4 {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-gray-800);
  margin-bottom: var(--spacing-xs);
}

.benefit-content p {
  font-size: var(--font-size-xs);
  color: var(--color-gray-600);
  margin: 0;
}

.login-redirect {
  text-align: center;
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--color-gray-200);
}

.login-redirect p {
  color: var(--color-gray-600);
  font-size: var(--font-size-sm);
  margin: 0;
}

.login-link {
  color: var(--color-primary);
  text-decoration: none;
  font-weight: 600;
  transition: color var(--transition-fast);
}

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

/* ===== MENSAGEM LATERAL ===== */
.side-message {
  display: none;
}

/* ===== MODAL DE SUCESSO ===== */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
}

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

.modal-container {
  background: var(--color-white);
  border-radius: var(--radius-2xl);
  padding: var(--spacing-2xl);
  max-width: 400px;
  width: 90%;
  position: relative;
  transform: scale(0.9);
  transition: transform var(--transition-normal);
}

.modal-overlay.active .modal-container {
  transform: scale(1);
}

.modal-icon {
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

.modal-icon i {
  font-size: 4rem;
  color: var(--color-success);
  animation: bounceIn 0.6s ease-out;
}

@keyframes bounceIn {
  0% {
    opacity: 0;
    transform: scale(0.3) rotate(-180deg);
  }
  50% {
    opacity: 1;
    transform: scale(1.1) rotate(10deg);
  }
  70% {
    transform: scale(0.9) rotate(-5deg);
  }
  100% {
    opacity: 1;
    transform: scale(1) rotate(0deg);
  }
}

.modal-title {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--color-gray-900);
  text-align: center;
  margin-bottom: var(--spacing-md);
}

.modal-text {
  font-size: var(--font-size-base);
  color: var(--color-gray-600);
  text-align: center;
  line-height: 1.6;
  margin-bottom: var(--spacing-2xl);
}

.modal-actions {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.modal-button {
  padding: var(--spacing-md);
  border-radius: var(--radius-lg);
  border: none;
  font-size: var(--font-size-base);
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-normal);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
}

.modal-button.primary {
  background: linear-gradient(
    135deg,
    var(--color-primary) 0%,
    var(--color-secondary) 100%
  );
  color: var(--color-white);
}

.modal-button.primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.modal-button.secondary {
  background-color: var(--color-gray-100);
  color: var(--color-gray-700);
}

.modal-button.secondary:hover {
  background-color: var(--color-gray-200);
  transform: translateY(-2px);
}

.modal-close {
  position: absolute;
  top: var(--spacing-md);
  right: var(--spacing-md);
  background: none;
  border: none;
  color: var(--color-gray-500);
  font-size: var(--font-size-lg);
  cursor: pointer;
  padding: var(--spacing-xs);
  transition: color var(--transition-fast);
}

.modal-close:hover {
  color: var(--color-gray-700);
}

/* ===== ESTADOS DE VALIDAÇÃO ===== */
.form-input.is-invalid {
  border-color: var(--color-error);
}

.form-input.is-valid {
  border-color: var(--color-success);
}

.is-invalid ~ .form-feedback {
  display: block;
}

.checkbox-input.is-invalid + .checkbox-label .checkbox-box {
  border-color: var(--color-error);
}

.checkbox-input.is-invalid + .checkbox-label .checkbox-text {
  color: var(--color-error);
}

/* ===== RESPONSIVIDADE ===== */
@media (min-width: 768px) {
  .signup-container {
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    max-width: 1200px;
    margin: 0 auto;
  }

  .side-message {
    display: block;
    align-self: center;
  }

  .message-content {
    padding: var(--spacing-2xl);
  }

  .message-title {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-xl);
  }

  .message-list {
    display: grid;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
  }

  .message-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
  }

  .message-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(
      135deg,
      var(--color-primary) 0%,
      var(--color-secondary) 100%
    );
    color: var(--color-white);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
  }

  .message-item h4 {
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--color-gray-800);
    margin-bottom: var(--spacing-xs);
  }

  .message-item p {
    font-size: var(--font-size-sm);
    color: var(--color-gray-600);
    margin: 0;
  }

  .testimonial {
    background: linear-gradient(
      135deg,
      rgba(67, 97, 238, 0.05) 0%,
      rgba(114, 9, 183, 0.05) 100%
    );
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    border-left: 4px solid var(--color-primary);
  }

  .testimonial-text {
    font-size: var(--font-size-lg);
    color: var(--color-gray-800);
    font-style: italic;
    margin-bottom: var(--spacing-lg);
    line-height: 1.6;
  }

  .testimonial-author {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
  }

  .author-info {
    display: flex;
    flex-direction: column;
  }

  .author-info strong {
    font-weight: 600;
    color: var(--color-gray-900);
  }

  .author-info span {
    font-size: var(--font-size-sm);
    color: var(--color-gray-600);
  }

  .modal-actions {
    flex-direction: row;
  }
}

@media (max-width: 767px) {
  .signup-container {
    padding: var(--spacing-md);
  }

  .signup-card {
    padding: var(--spacing-xl);
  }

  .signup-title {
    font-size: var(--font-size-2xl);
  }

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

@media (max-width: 480px) {
  .signup-card {
    padding: var(--spacing-lg);
  }

  .signup-title {
    font-size: var(--font-size-xl);
  }

  .form-input {
    padding: var(--spacing-sm) var(--spacing-md) var(--spacing-sm)
      calc(var(--spacing-md) * 2);
  }

  .input-icon {
    left: var(--spacing-md);
  }
}

/* ===== ANIMAÇÕES ADICIONAIS ===== */
@keyframes pulse {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.7;
  }
}

.pulse {
  animation: pulse 2s infinite;
}

/* ===== UTILITÁRIOS ===== */
.hidden {
  display: none !important;
}

.visible {
  display: block !important;
}