:root {
  --bg: #f5f7fb;
  --card: #ffffff;
  --text: #111827;
  --muted: #6b7280;
  --primary: #2563eb;
  --primary-pressed: #1d4ed8;
  --border: #e5e7eb;
  --chip: #eef2ff;
}

* { box-sizing: border-box; }
html, body {
  margin: 0; padding: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, 'Noto Sans KR', Arial, 'Apple SD Gothic Neo', 'Malgun Gothic', sans-serif;
  color: var(--text); background: var(--bg);
}

.container { max-width: 920px; margin: 40px auto; padding: 0 16px; }
.title { margin: 0 0 12px; font-size: 28px; font-weight: 800; }

.notice-bar {
  background: var(--chip);
  border: 1px solid #dbeafe;
  color: #1e40af;
  padding: 12px 14px;
  border-radius: 10px;
  margin-bottom: 16px;
  font-weight: 600;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px;
  margin-bottom: 16px;
  box-shadow: 0 6px 14px rgba(17,24,39,0.04);
}

.label { display: block; margin: 10px 0 6px; font-weight: 600; }
.input, .textarea, select.input {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px 12px;
  font-size: 16px;
  outline: none;
  background: #fff;
}
.input:focus, .textarea:focus { border-color: #93c5fd; box-shadow: 0 0 0 3px rgba(59,130,246,0.15); }

.textarea { min-height: 96px; resize: vertical; }

.checkbox { display: inline-flex; align-items: center; gap: 8px; margin: 10px 0 14px; color: var(--muted); }

.btn {
  border: 1px solid var(--border);
  background: #f9fafb;
  color: var(--text);
  border-radius: 10px;
  padding: 10px 14px;
  cursor: pointer; font-weight: 700;
}
.btn:hover { background: #f3f4f6; }
.btn.primary { background: var(--primary); color: #fff; border-color: var(--primary); }
.btn.primary:hover { background: var(--primary-pressed); }

.hint { color: var(--muted); font-size: 14px; margin: 8px 0 0; }
.welcome { margin-top: 0; }

.composer { margin-top: 8px; }

.grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin-top: 12px;
}
@media (min-width: 800px) {
  .grid { grid-template-columns: 1fr 1fr; }
}

.panel {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px;
}

.list > div {
  border: 1px solid var(--border);
  background: #fff;
  padding: 10px 12px;
  border-radius: 10px;
  margin-bottom: 8px;
  line-height: 1.4;
}

.admin {
  background: #fff7ed;
  border-color: #fed7aa;
}