:root {
  color-scheme: light;
  --bg: #f5f7fb;
  --card: #ffffff;
  --text: #1d2433;
  --muted: #667085;
  --primary: #2b6cff;
  --primary-600: #1b54d9;
  --border: #e5e7ef;
  --shadow: 0 14px 40px rgba(37, 55, 92, 0.12);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--bg);
  color: var(--text);
}

.page {
  max-width: 980px;
  margin: 40px auto;
  padding: 0 20px 40px;
  display: grid;
  gap: 20px;
}

.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 16px;
}

.logo {
  width: 56px;
  height: 56px;
  background: var(--primary);
  color: #fff;
  border-radius: 16px;
  display: grid;
  place-items: center;
  font-weight: 700;
  font-size: 20px;
  box-shadow: var(--shadow);
}

h1 {
  font-size: 24px;
}

.header p {
  color: var(--muted);
  margin-top: 4px;
}

.btn {
  border: none;
  background: var(--primary);
  color: #fff;
  padding: 10px 18px;
  border-radius: 10px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn:hover {
  background: var(--primary-600);
}

.card {
  background: var(--card);
  border-radius: 18px;
  padding: 20px;
  box-shadow: var(--shadow);
  min-height: 220px;
}

.layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 20px;
}

.files {
  min-width: 0;
}

.pathbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}

.path {
  font-size: 14px;
  color: var(--muted);
  word-break: break-all;
}

.status {
  color: var(--muted);
  font-size: 15px;
}

.list {
  display: grid;
  gap: 6px;
}

.item {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 12px;
  align-items: center;
  padding: 14px 16px;
  border: 1px solid var(--border);
  border-radius: 14px;
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.item:hover {
  border-color: rgba(43, 108, 255, 0.4);
  transform: translateY(-1px);
}

.item-main {
  display: grid;
  gap: 6px;
}

.item-title {
  font-weight: 600;
}

.item-meta {
  color: var(--muted);
  font-size: 13px;
}

.item-action {
  white-space: nowrap;
  display: flex;
  gap: 8px;
  align-items: center;
}

.link {
  color: var(--primary);
  text-decoration: none;
  font-weight: 600;
}

.link:hover {
  text-decoration: underline;
}

.panel {
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 16px;
  display: grid;
  gap: 14px;
  background: #fbfcff;
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.panel h2 {
  font-size: 16px;
}

.tabs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}

.tab {
  border: 1px solid var(--border);
  background: #fff;
  padding: 8px 10px;
  border-radius: 10px;
  font-weight: 600;
  cursor: pointer;
  color: var(--muted);
}

.tab.active {
  border-color: rgba(43, 108, 255, 0.5);
  color: var(--primary);
  box-shadow: 0 6px 14px rgba(43, 108, 255, 0.12);
}

.code {
  background: #0f172a;
  color: #e2e8f0;
  padding: 14px;
  border-radius: 12px;
  font-size: 12.5px;
  font-family: "JetBrains Mono", "Fira Code", "Consolas", "Menlo", monospace;
  line-height: 1.6;
  white-space: pre-wrap;
  word-break: break-all;
  min-height: 140px;
}

.btn.btn-outline {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--primary);
}

.btn.btn-outline:disabled {
  cursor: not-allowed;
  opacity: 0.6;
}

.footer {
  display: flex;
  justify-content: space-between;
  color: var(--muted);
  font-size: 13px;
}

.meta {
  opacity: 0.9;
}