:root {
  --bg: #f3f4f6;
  --panel: #ffffff;
  --text: #111827;
  --muted: #6b7280;
  --line: #d1d5db;
  --brand: #0f766e;
  --brand-dark: #115e59;
  --warn: #9a3412;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: 'Pretendard', 'Noto Sans KR', sans-serif;
  background: linear-gradient(180deg, #edf2f7 0%, #f8fafc 40%, #f3f4f6 100%);
  color: var(--text);
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  padding: 24px;
  border-bottom: 1px solid var(--line);
  background: var(--panel);
  position: sticky;
  top: 0;
  z-index: 10;
}

h1,
h2,
h3 {
  margin: 0 0 8px;
}

.subtitle {
  margin: 0;
  color: var(--muted);
}

.status-wrap {
  display: flex;
  gap: 8px;
}

.badge {
  padding: 6px 10px;
  border-radius: 999px;
  font-size: 12px;
  border: 1px solid #bae6fd;
  background: #ecfeff;
  color: #0e7490;
}

.badge.muted {
  border-color: #d1d5db;
  background: #f9fafb;
  color: #6b7280;
}

.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 14px;
  box-shadow: 0 3px 12px rgba(15, 23, 42, 0.06);
}

.config {
  margin: 20px 24px;
  padding: 18px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  color: #1f2937;
  font-size: 14px;
}

input,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 10px 12px;
  font-size: 14px;
  background: #fff;
}

textarea {
  resize: vertical;
}

.checkbox {
  flex-direction: row;
  align-items: center;
  padding-top: 26px;
}

.checkbox input {
  width: 16px;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 14px;
}

button {
  border: 1px solid #9ca3af;
  background: #fff;
  color: #111827;
  border-radius: 10px;
  padding: 10px 14px;
  font-weight: 600;
  cursor: pointer;
}

button:hover {
  border-color: #4b5563;
}

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

button.primary:hover {
  background: var(--brand-dark);
  border-color: var(--brand-dark);
}

.message {
  margin: 14px 0 0;
  color: var(--muted);
}

.layout {
  display: grid;
  grid-template-columns: 1fr 420px;
  gap: 20px;
  padding: 0 24px 30px;
}

.left {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.left > .card {
  padding: 16px;
}

.demo-section {
  min-height: 70vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 24px;
}

.demo-section:nth-of-type(1) {
  background: linear-gradient(135deg, #cffafe, #ecfeff);
}

.demo-section:nth-of-type(2) {
  background: linear-gradient(135deg, #e0f2fe, #f0f9ff);
}

.demo-section:nth-of-type(3) {
  background: linear-gradient(135deg, #ede9fe, #f5f3ff);
}

.demo-section:nth-of-type(4) {
  background: linear-gradient(135deg, #ffe4e6, #fff1f2);
}

.right {
  position: sticky;
  top: 104px;
  align-self: flex-start;
  padding: 16px;
  max-height: calc(100vh - 124px);
  overflow: auto;
}

.summary {
  font-size: 13px;
  margin-bottom: 10px;
  color: #1f2937;
}

.logs {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #0f172a;
  color: #e2e8f0;
  padding: 12px;
  min-height: 380px;
  font-size: 12px;
  overflow: auto;
}

code {
  font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
}

@media (max-width: 1060px) {
  .layout {
    grid-template-columns: 1fr;
  }

  .right {
    position: static;
    max-height: none;
  }

  .grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 700px) {
  .grid {
    grid-template-columns: 1fr;
  }

  .topbar {
    flex-direction: column;
  }
}