* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    Roboto, sans-serif;
}

body {
  background: linear-gradient(135deg, #7b68ae 0%, #9b8ec4 40%, #c4b8e0 100%);
  color: #1a1a2e;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px 16px 60px;
}

.container {
  background: #ffffff;
  max-width: 600px;
  width: 100%;
  border-radius: 20px;
  box-shadow: 0 20px 60px rgba(90, 60, 140, 0.25);
  overflow: hidden;
  position: relative;
}

.screen {
  padding: 32px 28px 24px;
  display: none;
  animation: fadeIn 0.35s ease;
}

.screen.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

.logo {
  text-align: center;
  margin-bottom: 4px;
}

.logo-img {
  width: 128px;
  height: 128px;
  object-fit: cover;
  border-radius: 50%;
}

.ig-link {
  color: #d6336c;
  font-weight: 700;
  text-decoration: none;
  transition: color 0.15s;
}

.ig-link:hover {
  color: #4a3a7a;
  text-decoration: underline;
}

h1 {
  font-size: 1.5rem;
  text-align: center;
  margin-bottom: 6px;
  color: #4a3a7a;
}

.subtitle {
  font-size: 0.9rem;
  color: #6b7280;
  text-align: center;
  margin-bottom: 24px;
}

/* Choice box */

.choice-box {
  background: linear-gradient(135deg, #f5f0ff 0%, #ece6f8 100%);
  border: 2px solid #9b8ec4;
  border-radius: 14px;
  padding: 24px 20px;
  text-align: center;
}

.choice-question {
  font-size: 1.05rem;
  margin-bottom: 20px;
  color: #1a1a2e;
  line-height: 1.5;
}

.choice-question strong {
  color: #d6336c;
  font-weight: 700;
}

.choice-buttons {
  display: flex;
  gap: 12px;
  justify-content: center;
}

/* Buttons */

.btn {
  border: none;
  border-radius: 999px;
  padding: 12px 28px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s, transform 0.1s, box-shadow 0.2s;
}

.btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(90, 60, 140, 0.25);
}

.btn:active {
  transform: scale(0.97);
}

.btn-yes {
  background: linear-gradient(135deg, #d6336c, #e8437a);
  color: #ffffff;
}

.btn-yes:hover {
  background: linear-gradient(135deg, #c22d60, #d6336c);
}

.btn-no {
  background: #e8e0f4;
  color: #4a3a7a;
}

.btn-no:hover {
  background: #d6cbea;
}

.btn-generate {
  width: 100%;
  background: linear-gradient(135deg, #7b68ae, #9b8ec4);
  color: #ffffff;
  padding: 14px 24px;
  font-size: 1.05rem;
  margin-top: 8px;
}

.btn-generate:hover {
  background: linear-gradient(135deg, #6a5a9a, #7b68ae);
}

/* Back button */

.back-btn {
  background: none;
  border: none;
  font-size: 0.9rem;
  color: #9b8ec4;
  cursor: pointer;
  padding: 4px 0;
  margin-bottom: 12px;
  transition: color 0.15s;
}

.back-btn:hover {
  color: #4a3a7a;
}

/* Auth header */

.auth-header {
  text-align: center;
  background: linear-gradient(90deg, #f5f0ff, #ece6f8);
  border-left: 4px solid #7b68ae;
  padding: 12px 16px;
  margin-bottom: 20px;
  border-radius: 0 8px 8px 0;
  font-size: 0.85rem;
  color: #4a3a7a;
  letter-spacing: 0.03em;
}

/* Form */

form {
  margin-bottom: 16px;
}

fieldset {
  border: 1px solid #e0d8f0;
  border-radius: 12px;
  padding: 16px;
  margin-bottom: 16px;
}

fieldset.hidden {
  display: none;
}

legend {
  font-size: 0.85rem;
  font-weight: 600;
  color: #7b68ae;
  padding: 0 8px;
}

.form-group {
  margin-bottom: 14px;
  display: flex;
  flex-direction: column;
}

.form-group:last-child {
  margin-bottom: 4px;
}

label {
  font-size: 0.82rem;
  margin-bottom: 4px;
  color: #374151;
  font-weight: 500;
}

input {
  border-radius: 8px;
  border: 1px solid #d1d5db;
  padding: 10px 12px;
  font-size: 0.95rem;
  outline: none;
  transition: border-color 0.15s, box-shadow 0.15s;
}

input:focus {
  border-color: #9b8ec4;
  box-shadow: 0 0 0 3px rgba(123, 104, 174, 0.15);
}

/* Footer */

.footer {
  font-size: 0.78rem;
  color: #9ca3af;
  text-align: center;
  line-height: 1.4;
}

/* Site footer */

.site-footer {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  text-align: center;
  padding: 12px;
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.6;
}

.site-footer a {
  color: #ffffff;
  text-decoration: none;
  font-weight: 600;
}

.site-footer a:hover {
  text-decoration: underline;
}

/* Responsivo */

@media (max-width: 480px) {
  .container {
    border-radius: 16px;
  }

  .screen {
    padding: 24px 18px 18px;
  }

  .choice-buttons {
    flex-direction: column;
  }

  .choice-buttons .btn {
    width: 100%;
  }

  h1 {
    font-size: 1.3rem;
  }
}