:root {
  --b2g-bg: #f8fafc;
  --b2g-surface: #ffffff;
  --b2g-text: #172033;
  --b2g-muted: #667085;
  --b2g-line: #d9e2ec;
  --b2g-primary: #2359a8;
  --b2g-primary-strong: #163f7c;
  --b2g-safe: #0f8a5f;
  --b2g-warn: #b7791f;
  --b2g-danger: #c2410c;
}

[data-theme="welfare"] {
  --b2g-primary: #0f766e;
  --b2g-primary-strong: #115e59;
}

[data-theme="education"] {
  --b2g-primary: #6d4aff;
  --b2g-primary-strong: #5538d8;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--b2g-bg);
  color: var(--b2g-text);
  font-family: Pretendard, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.b2g-shell {
  display: grid;
  grid-template-columns: 240px 1fr;
  min-height: 100vh;
}

.b2g-sidebar {
  background: var(--b2g-primary-strong);
  color: #fff;
  padding: 24px 18px;
}

.b2g-sidebar strong {
  display: block;
  margin-bottom: 18px;
  font-size: 18px;
}

.b2g-sidebar a {
  display: block;
  border-radius: 8px;
  color: rgba(255,255,255,.86);
  padding: 10px 12px;
  text-decoration: none;
  font-size: 14px;
}

.b2g-sidebar a.active,
.b2g-sidebar a:hover {
  background: rgba(255,255,255,.14);
  color: #fff;
}

.b2g-main {
  padding: 28px;
}

.b2g-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 22px;
}

h1 {
  margin: 0;
  font-size: 24px;
}

.b2g-grid {
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: 18px;
}

.b2g-panel {
  background: var(--b2g-surface);
  border: 1px solid var(--b2g-line);
  border-radius: 8px;
  padding: 18px;
}

.b2g-panel h2 {
  margin: 0 0 14px;
  font-size: 17px;
}

.b2g-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 12px;
}

.b2g-field label {
  color: var(--b2g-muted);
  font-size: 12px;
  font-weight: 700;
}

.b2g-field input,
.b2g-field select,
.b2g-field textarea {
  width: 100%;
  border: 1px solid var(--b2g-line);
  border-radius: 8px;
  background: #fff;
  color: var(--b2g-text);
  font: inherit;
  padding: 9px 11px;
}

.b2g-field textarea {
  min-height: 180px;
  resize: vertical;
}

.b2g-button {
  min-height: 40px;
  border: 0;
  border-radius: 8px;
  background: var(--b2g-primary);
  color: #fff;
  cursor: pointer;
  font-weight: 800;
  padding: 0 14px;
}

.b2g-button.secondary {
  border: 1px solid var(--b2g-line);
  background: #fff;
  color: var(--b2g-primary);
}

.b2g-card-list {
  display: grid;
  gap: 10px;
}

.b2g-card {
  border: 1px solid var(--b2g-line);
  border-radius: 8px;
  padding: 12px;
  background: #fff;
}

.b2g-card strong {
  display: block;
  margin-bottom: 4px;
}

.b2g-card span,
.b2g-note {
  color: var(--b2g-muted);
  font-size: 13px;
}

.b2g-badge {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  border-radius: 999px;
  background: #e8f1ff;
  color: var(--b2g-primary-strong);
  font-size: 12px;
  font-weight: 800;
  padding: 0 9px;
}

@media (max-width: 860px) {
  .b2g-shell,
  .b2g-grid {
    grid-template-columns: 1fr;
  }

  .b2g-sidebar {
    position: static;
  }
}