:root {
  --bg: #ffffff;
  --surface: #ffffff;
  --border: #d9d9d9;
  --border-strong: #bdbdbd;
  --text: #222222;
  --muted: #666666;
  --primary: #2d5bd1;
  --primary-hover: #2448a6;
  --success: #2d8a57;
  --danger: #b24545;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 14px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei",
    sans-serif;
}

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

a:hover {
  text-decoration: underline;
}

main {
  width: min(1080px, calc(100% - 32px));
  margin: 16px auto 32px;
}

.site-nav {
  width: min(1080px, calc(100% - 32px));
  margin: 16px auto 0;
  padding: 12px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  border: 1px solid var(--border);
  background: var(--surface);
}

.logo {
  color: var(--text);
  font-size: 20px;
  font-weight: 600;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.locale-switches {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--muted);
  font-size: 12px;
}

.locale-link {
  color: var(--muted);
}

.locale-link.active {
  color: var(--text);
  font-weight: 600;
}

.locale-separator {
  color: var(--border-strong);
}

.page-section,
.panel {
  border: 1px solid var(--border);
  background: var(--surface);
}

.page-section {
  padding: 20px;
}

.home-panel,
.form-panel {
  max-width: 560px;
  margin: 0 auto;
}

.home-panel {
  text-align: center;
  margin-top: 48px;
}

.home-panel h1,
.form-panel h1,
.summary-panel h1 {
  margin: 0 0 16px;
  font-size: 28px;
  font-weight: 600;
  color: var(--text);
}

.summary-panel {
  margin-bottom: 16px;
}

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

.summary-label {
  margin-bottom: 4px;
  color: var(--muted);
  font-size: 12px;
}

.stack,
.panel-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.form {
  display: grid;
  gap: 12px;
}

.form label {
  display: block;
  margin-bottom: 4px;
}

.form input {
  width: 100%;
  padding: 8px 10px;
  border: 1px solid var(--border-strong);
  background: #ffffff;
  color: var(--text);
  font: inherit;
}

.button,
button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 36px;
  padding: 0 14px;
  border: 1px solid var(--primary);
  background: var(--primary);
  color: #ffffff;
  cursor: pointer;
  font: inherit;
}

.button:hover,
button:hover {
  background: var(--primary-hover);
  border-color: var(--primary-hover);
  text-decoration: none;
}

.button.ghost,
button.ghost,
.button.subtle,
button.subtle {
  background: #ffffff;
  color: var(--text);
  border-color: var(--border-strong);
}

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

.inline-form {
  display: inline-flex;
}

.badge,
.mini-state {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 28px;
  padding: 0 10px;
  border: 1px solid var(--border);
  color: var(--muted);
  background: #fafafa;
  font-size: 12px;
}

.badge.active,
.mini-state.active {
  color: var(--success);
  border-color: #b9dfc9;
  background: #f4fbf7;
}

.alert {
  margin: 0 0 16px;
  padding: 10px 12px;
  border: 1px solid var(--border);
  background: #f8f8f8;
}

.alert.success {
  color: var(--success);
  border-color: #b9dfc9;
  background: #f4fbf7;
}

.alert.error {
  color: var(--danger);
  border-color: #e4c1c1;
  background: #fcf5f5;
}

.alert.info {
  color: var(--text);
}

.meta {
  color: var(--muted);
}

.dashboard-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.panel {
  padding: 16px;
}

.panel-wide {
  grid-column: span 2;
}

.panel-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}

.panel h2 {
  margin: 0;
  font-size: 20px;
  font-weight: 600;
}

.list {
  margin: 0 0 16px;
  display: grid;
  gap: 10px;
}

.list-compact {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.list div {
  padding: 10px;
  border: 1px solid var(--border);
}

.list dt {
  margin-bottom: 4px;
  color: var(--muted);
  font-size: 12px;
}

.list dd {
  margin: 0;
  word-break: break-word;
}

footer {
  width: min(1080px, calc(100% - 32px));
  margin: 0 auto 24px;
  color: var(--muted);
}

@media (max-width: 760px) {
  .site-nav {
    flex-direction: column;
    align-items: flex-start;
  }

  .summary-grid,
  .dashboard-grid,
  .list-compact {
    grid-template-columns: 1fr;
  }

  .panel-wide {
    grid-column: auto;
  }
}

footer {
  text-align: center;
}

.site-record {
  margin-top: 4px;
  font-size: 12px;
}