* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background: linear-gradient(135deg, #0d4e8b 0%, #1a7bc4 50%, #0d4e8b 100%);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.container {
  background: #ffffff;
  border-radius: 12px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
  width: 100%;
  max-width: 520px;
  overflow: hidden;
}

/* Header */
header {
  background: #0d4e8b;
  color: #ffffff;
  padding: 24px;
  text-align: center;
}

header h1 {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 4px;
}

header .subtitle {
  font-size: 0.9rem;
  opacity: 0.85;
}

.org-logo {
  max-height: 72px;
  max-width: 260px;
  object-fit: contain;
  display: block;
  margin: 0 auto 8px;
  filter: brightness(0) invert(1); /* branco sobre fundo azul; remova se quiser cor original */
}

/* Alert */
.alert {
  padding: 12px 20px;
  font-size: 0.875rem;
}

.alert-error {
  background: #fef2f2;
  color: #b91c1c;
  border-bottom: 2px solid #fca5a5;
}

/* Tabs */
.tabs {
  display: flex;
  border-bottom: 2px solid #e5e7eb;
}

.tab-btn {
  flex: 1;
  padding: 14px;
  border: none;
  background: #f9fafb;
  font-size: 0.9rem;
  font-weight: 500;
  color: #6b7280;
  cursor: pointer;
  transition: all 0.2s;
}

.tab-btn.active {
  background: #ffffff;
  color: #0d4e8b;
  border-bottom: 3px solid #0d4e8b;
}

.tab-btn:hover:not(.active) {
  background: #f3f4f6;
}

/* Tab Content */
.tab-content {
  display: none;
  padding: 24px;
}

.tab-content.active {
  display: block;
}

/* Forms */
.form-group {
  margin-bottom: 16px;
  flex: 1;
}

.form-group label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  color: #374151;
  margin-bottom: 4px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.form-group input {
  width: 100%;
  padding: 10px 12px;
  border: 1.5px solid #d1d5db;
  border-radius: 6px;
  font-size: 0.95rem;
  transition: border-color 0.2s;
  background: #ffffff;
}

.form-group input:focus {
  outline: none;
  border-color: #0d4e8b;
  box-shadow: 0 0 0 3px rgba(13, 78, 139, 0.1);
}

.form-group input[readonly] {
  background: #f3f4f6;
  color: #6b7280;
}

.form-row {
  display: flex;
  gap: 12px;
}

.form-group-small {
  flex: 0 0 120px !important;
}

.form-group-large {
  flex: 1 !important;
}

.form-group-tiny {
  flex: 0 0 60px !important;
}

.field-status {
  font-size: 0.75rem;
  margin-top: 2px;
  display: block;
  min-height: 16px;
}

.field-status.valid {
  color: #059669;
}

.field-status.invalid {
  color: #dc2626;
}

.field-status.loading {
  color: #6b7280;
}

/* Login Info */
.login-info {
  color: #6b7280;
  font-size: 0.9rem;
  margin-bottom: 20px;
  text-align: center;
}

/* Buttons */
.btn {
  display: block;
  width: 100%;
  padding: 14px;
  border: none;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  text-align: center;
  text-decoration: none;
  margin-top: 8px;
}

.btn-primary {
  background: #0d4e8b;
  color: #ffffff;
}

.btn-primary:hover {
  background: #0b3f70;
}

.btn-primary:active {
  transform: scale(0.98);
}

/* Success Page */
.success-card {
  padding: 40px 24px;
  text-align: center;
}

.success-icon {
  width: 64px;
  height: 64px;
  background: #059669;
  color: #ffffff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  margin: 0 auto 20px;
}

.success-card h2 {
  color: #059669;
  margin-bottom: 12px;
  font-size: 1.3rem;
}

.success-card p {
  color: #4b5563;
  margin-bottom: 8px;
}

.session-info {
  background: #f0f9ff;
  border: 1px solid #bae6fd;
  border-radius: 8px;
  padding: 12px;
  font-size: 0.85rem;
  color: #0369a1;
  margin: 16px 0;
}

.redirect-info {
  color: #6b7280;
  font-size: 0.9rem;
  margin-top: 16px;
}

/* Footer */
footer {
  background: #f9fafb;
  border-top: 1px solid #e5e7eb;
  padding: 16px;
  text-align: center;
}

.footer-empresa {
  font-size: 0.85rem;
  font-weight: 600;
  color: #374151;
}

.footer-dev {
  font-size: 0.75rem;
  color: #9ca3af;
  margin-top: 2px;
}

/* LGPD Consent Checkbox */
.lgpd-group {
  margin-top: 4px;
}

.checkbox-label {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.85rem;
  font-weight: 400;
  color: #4b5563;
  text-transform: none;
  letter-spacing: normal;
  cursor: pointer;
  line-height: 1.4;
}

.checkbox-label input[type="checkbox"] {
  width: auto;
  margin-top: 2px;
  flex-shrink: 0;
  accent-color: #0d4e8b;
  cursor: pointer;
}

/* Responsive — tablet (481px–768px) */
@media (min-width: 481px) and (max-width: 768px) {
  body { padding: 16px; }
  .container { max-width: 96%; }
}

/* Responsive — mobile */
@media (max-width: 480px) {
  body {
    padding: 0;
    align-items: flex-start;
  }

  .container {
    border-radius: 0;
    min-height: 100vh;
    max-width: 100%;
    overflow-x: hidden;
  }

  .tab-content {
    padding: 16px;
  }

  .form-row {
    flex-direction: column;
    gap: 0;
  }

  .form-group-small,
  .form-group-large,
  .form-group-tiny {
    flex: 1 !important;
  }

  header h1 {
    font-size: 1.25rem;
  }

  .btn {
    padding: 12px;
    font-size: 0.95rem;
  }
}