:root {
  --portal-bg: #f5f7fb;
  --portal-card: #ffffff;
  --portal-text: #1f2937;
  --portal-muted: #6b7280;
  --portal-primary: #2563eb;
  --portal-border: #e5e7eb;
  --portal-success: #16a34a;
  --portal-warning: #f59e0b;
  --portal-danger: #dc2626;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Segoe UI", Arial, sans-serif;
  background: var(--portal-bg);
  color: var(--portal-text);
}

a {
  color: inherit;
  text-decoration: none;
}

.portal-header {
  background: #fff;
  border-bottom: 1px solid var(--portal-border);
  padding: 12px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.portal-brand {
  font-weight: 700;
  color: var(--portal-primary);
  letter-spacing: 0.5px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.portal-brand span {
  display: inline-flex;
  align-items: center;
  line-height: 1;
}

.portal-logo {
  height: 28px;
  max-height: 28px;
  width: auto;
  object-fit: contain;
  display: block;
}

.portal-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

.portal-nav a {
  padding: 6px 10px;
  border-radius: 6px;
  color: var(--portal-text);
  font-weight: 600;
}

.portal-nav a.active,
.portal-nav a:hover {
  background: rgba(37, 99, 235, 0.1);
  color: var(--portal-primary);
}

.portal-main {
  max-width: 1100px;
  margin: 24px auto;
  padding: 0 16px 40px;
}

.portal-title {
  margin: 0 0 8px;
  font-size: 28px;
}

.portal-subtitle {
  margin: 0 0 24px;
  color: var(--portal-muted);
}

.portal-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
}

.portal-card {
  background: var(--portal-card);
  border: 1px solid var(--portal-border);
  border-radius: 12px;
  padding: 16px;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.04);
}

.portal-card h3 {
  margin: 0 0 8px;
  font-size: 16px;
  color: var(--portal-muted);
}

.portal-card .value {
  font-size: 22px;
  font-weight: 700;
}

.portal-section {
  margin-top: 24px;
}

.form-card {
  background: var(--portal-card);
  border: 1px solid var(--portal-border);
  border-radius: 12px;
  padding: 20px;
}

.form-grid {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.form-grid label {
  font-size: 13px;
  color: var(--portal-muted);
  display: block;
  margin-bottom: 6px;
}

.form-grid input,
.form-grid select,
.form-grid textarea {
  width: 100%;
  padding: 10px 12px;
  border-radius: 8px;
  border: 1px solid var(--portal-border);
  font-size: 14px;
}

.form-actions {
  margin-top: 16px;
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.btn {
  background: var(--portal-primary);
  color: #fff;
  border: none;
  padding: 10px 16px;
  border-radius: 8px;
  font-weight: 600;
  cursor: pointer;
}

.btn.secondary {
  background: #e2e8f0;
  color: #1f2937;
}

.btn.danger {
  background: var(--portal-danger);
}

.status-badge {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
}

.status-badge.ok {
  background: rgba(22, 163, 74, 0.15);
  color: var(--portal-success);
}

.status-badge.warn {
  background: rgba(245, 158, 11, 0.2);
  color: var(--portal-warning);
}

.status-badge.err {
  background: rgba(220, 38, 38, 0.15);
  color: var(--portal-danger);
}

.message {
  margin-top: 12px;
  font-size: 14px;
  color: var(--portal-muted);
}

.qr-box {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  flex-wrap: wrap;
  margin-top: 16px;
}

.qr-box img {
  width: 220px;
  height: 220px;
  border-radius: 12px;
  border: 1px solid var(--portal-border);
  background: #fff;
}

.hidden {
  display: none;
}

body[data-page="login"] .portal-header,
body[data-page="cadastro"] .portal-header,
body[data-page="logout"] .portal-header {
  display: none;
}

body[data-page="login"] .portal-main,
body[data-page="cadastro"] .portal-main,
body[data-page="logout"] .portal-main {
  margin-top: 60px;
}

.auth-title {
  text-align: center;
  margin-bottom: 24px;
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--portal-muted);
  font-weight: 600;
  margin-bottom: 16px;
}

.back-link:hover {
  color: var(--portal-primary);
}

@media (max-width: 900px) {
  .portal-header {
    padding: 12px 14px;
  }

  .portal-nav {
    width: 100%;
    justify-content: flex-start;
  }
}

@media (max-width: 640px) {
  .portal-main {
    margin: 16px auto;
    padding: 0 12px 32px;
  }

  .portal-title {
    font-size: 24px;
  }

  .portal-subtitle {
    font-size: 14px;
  }

  .portal-nav {
    gap: 8px;
    overflow-x: auto;
    padding-bottom: 6px;
    -webkit-overflow-scrolling: touch;
  }

  .portal-nav a {
    white-space: nowrap;
  }

  .portal-grid {
    grid-template-columns: 1fr;
  }

  .form-grid {
    grid-template-columns: 1fr;
  }

  .form-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .btn {
    width: 100%;
  }

  .qr-box {
    flex-direction: column;
  }

  .qr-box img {
    width: 100%;
    height: auto;
  }
}