:root {
  --bg: #0b0c10;
  --panel: #121417;
  --text: #e5e7eb;
  --muted: #9aa3b2;
  --accent: #5eead4;
  --warn: #fca5a5;
  --ok: #86efac;
  --grid: #1f2329;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, Apple Color Emoji, Segoe UI Emoji;
  background: var(--bg);
  color: var(--text);
}

header, section, footer {
  max-width: 1100px;
  margin: 0 auto;
  padding: 16px;
}

header h1 { margin: 12px 0 4px; }
header p { margin: 0; color: var(--muted); }

.controls {
  background: var(--panel);
  border-radius: 10px;
  border: 1px solid var(--grid);
  margin-top: 12px;
}

.field { padding: 12px 12px 0; display: inline-block; vertical-align: top; }
.field label { display: block; font-weight: 600; margin-bottom: 6px; }
.field input, .field textarea {
  background: #0e1116;
  color: var(--text);
  border: 1px solid var(--grid);
  border-radius: 8px;
  padding: 8px 10px;
  width: 260px;
}
.field textarea { width: calc(100% - 24px); resize: vertical; }
.field--full { display: block; width: 100%; }

.actions { padding: 12px; display: flex; gap: 8px; }
button {
  background: #0e1116;
  color: var(--text);
  border: 1px solid var(--grid);
  border-radius: 8px;
  padding: 8px 12px;
  cursor: pointer;
}
button:disabled { opacity: 0.5; cursor: not-allowed; }

.messages { padding: 0 12px 12px; color: var(--muted); }

.summary { margin-top: 12px; color: var(--text); }
.summary .warn { color: var(--warn); font-weight: 600; }
.summary .ok { color: var(--ok); font-weight: 600; }

.calendar { margin-top: 12px; overflow: auto; }
.week-grid {
  border-collapse: collapse;
  width: 100%;
  margin-bottom: 16px;
}
.week-grid th, .week-grid td {
  border: 1px solid var(--grid);
  padding: 6px 8px;
  vertical-align: top;
}
.week-grid th { background: #0f1318; color: var(--muted); font-weight: 600; }
.day {
  min-height: 88px;
}
.day.weekend, .day.holiday {
  background: rgba(34, 197, 94, 0.16); /* 더 선명한 녹색 톤 */
  box-shadow: inset 0 0 0 2px rgba(34, 197, 94, 0.25);
}
.date { color: var(--muted); font-size: 12px; }
.duties { margin-top: 6px; display: flex; flex-direction: column; gap: 4px; }
.duty-chip {
  background: #0b1218;
  border: 1px solid #1f2a35;
  border-radius: 999px;
  display: inline-flex;
  padding: 2px 8px;
  font-size: 12px;
  width: max-content;
}
.underfill { outline: 2px dashed var(--warn); outline-offset: -2px; }

.legend { color: var(--muted); font-size: 12px; }

.report { margin-top: 12px; }
.report-table { width: 100%; border-collapse: collapse; }
.report-table th, .report-table td { border: 1px solid var(--grid); padding: 6px 8px; }
.report-table th { background: #0f1318; color: var(--muted); text-align: left; }
.report-table td.num { text-align: right; font-variant-numeric: tabular-nums; }