:root {
  color-scheme: light;
  font-family: "Inter", "Segoe UI", sans-serif;
  background: #f5f7fb;
  color: #0c1b2a;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
}

.app-header {
  background: #0c1b2a;
  color: #fff;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem 2rem;
}

.app-header h1 {
  margin: 0 0 0.3rem;
  font-size: 1.5rem;
}

.app-header p {
  margin: 0;
  opacity: 0.75;
}

main {
  padding: 2rem;
}

.grid {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.card {
  background: #fff;
  border-radius: 12px;
  padding: 1.5rem;
  box-shadow: 0 10px 30px rgba(12, 27, 42, 0.08);
}

.card h2 {
  margin-top: 0;
}

label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

input {
  width: 100%;
  margin-top: 0.35rem;
  padding: 0.6rem 0.75rem;
  border-radius: 8px;
  border: 1px solid #d0d7e2;
  font-size: 1rem;
}

button {
  background: #2552e3;
  color: #fff;
  border: none;
  border-radius: 8px;
  padding: 0.6rem 1.2rem;
  font-size: 1rem;
  cursor: pointer;
  margin-top: 1rem;
}

button.secondary {
  background: #fff;
  color: #0c1b2a;
  border: 1px solid rgba(255, 255, 255, 0.4);
  margin-top: 0;
}

button:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.badge {
  display: inline-block;
  font-size: 0.8rem;
  padding: 0.2rem 0.5rem;
  border-radius: 999px;
  background: #e4e9f2;
  color: #3a4a5f;
}

.badge.ok {
  background: #daf5e4;
  color: #0f7b3b;
}

.badge.error {
  background: #ffe0e0;
  color: #a31212;
}

pre {
  background: #f6f8fb;
  border-radius: 8px;
  padding: 1rem;
  max-height: 320px;
  overflow: auto;
}

.helper {
  margin-top: 0.75rem;
  color: #a31212;
}

#dashboard {
  display: none;
}

#loginSection {
  max-width: 420px;
}

@media (max-width: 720px) {
  .app-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
  }
}