*,
*::before,
*::after {
  box-sizing: border-box;
}

:root {
  --bg: #f3f4f6;
  --card: #ffffff;
  --text: #1f2937;
  --muted: #6b7280;
  --border: #d1d5db;
  --accent: #714b67;
  --accent-hover: #5c3c54;
  --error-bg: #fef2f2;
  --error-text: #991b1b;
  --notice-bg: #ecfdf5;
  --notice-text: #065f46;
}

html,
body {
  height: 100%;
  margin: 0;
}

body {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-size: 16px;
  line-height: 1.5;
}

.card {
  width: 100%;
  max-width: 380px;
  padding: 2rem;
  background: var(--card);
  border-radius: 12px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08), 0 8px 24px rgba(0, 0, 0, 0.06);
}

h1 {
  margin: 0;
  font-size: 1.5rem;
  font-weight: 600;
}

.host {
  margin: 0.25rem 0 1.5rem;
  color: var(--muted);
  font-size: 0.9rem;
  word-break: break-all;
}

form {
  display: flex;
  flex-direction: column;
}

label {
  margin-bottom: 0.25rem;
  font-size: 0.9rem;
  font-weight: 500;
}

input[type="text"],
input[type="password"] {
  margin-bottom: 1rem;
  padding: 0.6rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  font: inherit;
}

input:focus {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
  border-color: var(--accent);
}

button {
  margin-top: 0.5rem;
  padding: 0.65rem;
  border: 0;
  border-radius: 8px;
  background: var(--accent);
  color: #fff;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
}

button:hover,
button:focus-visible {
  background: var(--accent-hover);
}

.error,
.notice {
  margin: 0 0 1rem;
  padding: 0.6rem 0.75rem;
  border-radius: 8px;
  font-size: 0.9rem;
}

.error {
  background: var(--error-bg);
  color: var(--error-text);
}

.notice {
  background: var(--notice-bg);
  color: var(--notice-text);
}

.hint {
  margin: 1.5rem 0 0;
  color: var(--muted);
  font-size: 0.8rem;
  text-align: center;
}

a {
  color: var(--accent);
}

.apps {
  margin: 0;
  padding: 0;
  list-style: none;
}

.apps li + li {
  margin-top: 0.5rem;
}

.apps a {
  display: block;
  padding: 0.75rem 1rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  text-decoration: none;
  font-weight: 500;
  word-break: break-all;
}

.apps a:hover,
.apps a:focus-visible {
  border-color: var(--accent);
  background: #faf7f9;
}