:root,
[data-theme="dark"] {
  --bg: #171717;
  --surface: #262626;
  --inset: #404040;
  --chip: #525252;
  --text: #f5f5f5;
  --text-secondary: #d4d4d4;
  --muted: #a3a3a3;
  --border: rgba(255, 255, 255, 0.08);
  --row-hover: color-mix(in srgb, #3b82f6 9%, #262626);
  --chip-fg: #f5f5f5;
  --accent: #3a5fe8;
  --accent-hover: #5476f0;
  --success: #228738;
  --warn: #ffb114;
  --danger: #de3412;
  --info: #0b78cb;
  --radius: 8px;
  color-scheme: dark;
}

[data-theme="light"] {
  --bg: #fafafa;
  --surface: #ffffff;
  --inset: #f5f5f5;
  --chip: #e5e5e5;
  --text: #171717;
  --text-secondary: #404040;
  --muted: #737373;
  --border: rgba(0, 0, 0, 0.09);
  --row-hover: #f3f8ff;
  --chip-fg: #262626;
  color-scheme: light;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 14px/1.5 -apple-system, BlinkMacSystemFont, "Pretendard", "Apple SD Gothic Neo", sans-serif;
}

h2 { margin: 0; font-size: 0.95rem; }
code { font: 0.85rem ui-monospace, SFMono-Regular, Menlo, monospace; }
[hidden] { display: none !important; }

.meta { color: var(--muted); font-size: 0.78rem; }
.error { color: var(--danger); min-height: 1.2em; margin: 0; }
.pad { padding: 16px; margin: 0; }

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 20px;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
}
.topbar__right { display: flex; align-items: center; gap: 10px; }
.brand { font-size: 1rem; }

main { max-width: 1280px; margin: 0 auto; padding: 20px; }

.panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
}
.panel-actions { display: flex; align-items: center; gap: 8px; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  min-height: 36px;
  padding: 0 14px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  background: var(--inset);
  color: var(--text);
  font: inherit;
  font-weight: 600;
  cursor: pointer;
}
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-hover); }
.btn-ghost { background: transparent; border-color: var(--border); }
.btn-ghost:hover { background: var(--inset); }
.btn-sm { min-height: 30px; padding: 0 10px; font-size: 0.8rem; }

.chip {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  border-radius: 999px;
  background: var(--chip);
  color: var(--chip-fg);
  font-size: 0.74rem;
  font-weight: 600;
  white-space: nowrap;
}
.chip--ok { background: var(--success); color: #fff; }
.chip--warn { background: var(--warn); color: #1e2124; }
.chip--danger { background: var(--danger); color: #fff; }
.chip--info { background: var(--info); color: #fff; }
.chips { display: flex; flex-wrap: wrap; gap: 4px; }

.seg {
  display: inline-flex;
  padding: 2px;
  border-radius: var(--radius);
  background: var(--inset);
}
.seg__btn {
  padding: 4px 10px;
  border: 0;
  border-radius: 6px;
  background: transparent;
  color: var(--text-secondary);
  font: inherit;
  font-size: 0.78rem;
  cursor: pointer;
}
.seg__btn.active { background: var(--surface); color: var(--text); }

.field {
  width: 100%;
  min-height: 38px;
  padding: 0 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--inset);
  color: var(--text);
  font: inherit;
}

.table-wrap { overflow-x: auto; }
.data-table { width: 100%; border-collapse: collapse; }
.data-table th,
.data-table td {
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  text-align: left;
  vertical-align: top;
}
.data-table th { color: var(--muted); font-size: 0.74rem; font-weight: 600; }
.data-table tbody tr:hover { background: var(--row-hover); }

.summary {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 12px;
  margin-bottom: 16px;
}
.summary__card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px;
}

.login { max-width: 380px; margin: 12vh auto 0; }
.login__form { display: grid; gap: 10px; padding: 16px; }