static/login.css

:root {
  color-scheme: light dark;
  --bg: #f4f7fb;
  --surface: #ffffff;
  --text: #111827;
  --muted: #4b5563;
  --border: #e5e7eb;
  --primary: #2563eb;
  --primary-hover: #1d4ed8;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: linear-gradient(180deg, #eef2ff 0%, var(--bg) 100%);
  color: var(--text);
}

.page {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}

.card {
  width: 100%;
  max-width: 520px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 28px;
  box-shadow: 0 20px 45px rgba(15, 23, 42, 0.08);
}

.eyebrow {
  margin: 0 0 8px;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

h1 {
  margin: 0 0 12px;
  font-size: 1.9rem;
  line-height: 1.2;
}

.description {
  margin: 0;
  color: var(--muted);
  line-height: 1.55;
}

.login-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-top: 24px;
  padding: 12px 18px;
  border-radius: 10px;
  background: var(--primary);
  color: #ffffff;
  font-weight: 600;
  text-decoration: none;
}

.login-button:hover {
  background: var(--primary-hover);
}

.login-button:focus-visible {
  outline: 3px solid rgba(37, 99, 235, 0.35);
  outline-offset: 2px;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.actions .login-button {
  margin-top: 0;
}

.secondary-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 18px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text);
  font-weight: 600;
  text-decoration: none;
}

.secondary-button:hover {
  background: rgba(148, 163, 184, 0.12);
}

.secondary-button:focus-visible {
  outline: 3px solid rgba(37, 99, 235, 0.25);
  outline-offset: 2px;
}

@media (max-width: 560px) {
  .card {
    padding: 22px;
    border-radius: 14px;
  }

  h1 {
    font-size: 1.6rem;
  }

  .actions {
    flex-direction: column;
  }
}