:root {
  --bg: #f7f5f1;
  --surface: #ffffff;
  --text: #1f2330;
  --muted: #6b7280;
  --border: #e5e2dc;
  --accent: #2b6cb0;
  --accent-hover: #1f4f86;
  --danger: #b94545;
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.04), 0 4px 12px rgba(0, 0, 0, 0.06);
  --radius: 12px;
  --radius-sm: 8px;
  --tap: 44px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica,
    Arial, sans-serif;
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.page {
  max-width: 980px;
  margin: 0 auto;
  padding: 24px 20px 64px;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 24px;
}

.site-header h1 {
  font-size: 28px;
  margin: 0;
  letter-spacing: -0.01em;
}

.site-header .subtitle {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.auth-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--muted);
}

.auth-bar .who {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

button,
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  min-height: var(--tap);
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s, color 0.15s;
}

button:hover,
.btn:hover {
  border-color: var(--accent);
  color: var(--accent);
}

button.primary,
.btn.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

button.primary:hover,
.btn.primary:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
  color: #fff;
}

button.danger,
.btn.danger {
  color: var(--danger);
}

button.danger:hover,
.btn.danger:hover {
  border-color: var(--danger);
  background: #fff5f5;
}

button[disabled],
.btn[disabled] {
  opacity: 0.5;
  cursor: not-allowed;
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 16px;
}

.card {
  display: block;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow);
  color: inherit;
  text-decoration: none;
  transition: transform 0.15s, border-color 0.15s;
  position: relative;
}

.card:hover {
  border-color: var(--accent);
  transform: translateY(-1px);
  text-decoration: none;
}

.card h2 {
  margin: 0 0 6px;
  font-size: 18px;
}

.card p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 20px;
  height: 20px;
  padding: 0 6px;
  border-radius: 999px;
  background: var(--danger);
  color: #fff;
  font-size: 12px;
  font-weight: 600;
}

.card .badge {
  position: absolute;
  top: 16px;
  right: 16px;
}

.notice {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 18px;
  margin: 16px 0;
}

.notice.warn {
  border-left: 4px solid #d6a23a;
}

.hidden {
  display: none !important;
}

input[type="text"],
input[type="email"],
input[type="number"],
input[type="date"],
input[type="time"],
input[type="url"],
textarea,
select {
  width: 100%;
  padding: 10px 12px;
  font-size: 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: #fff;
  color: var(--text);
  font-family: inherit;
}

textarea {
  min-height: 80px;
  resize: vertical;
}

label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--muted);
  margin-bottom: 6px;
}

.form-row {
  margin-bottom: 14px;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

@media (max-width: 600px) {
  .form-grid {
    grid-template-columns: 1fr;
  }
  .site-header {
    align-items: flex-start;
  }
}