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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #f5f5f5;
  color: #333;
  min-height: 100vh;
}

.container {
  max-width: 960px;
  margin: 0 auto;
  padding: 16px;
}

h1 {
  font-size: 1.5rem;
  font-weight: 700;
  color: #1e293b;
  margin-bottom: 4px;
}

.subtitle {
  font-size: 0.85rem;
  color: #64748b;
  margin-bottom: 20px;
}

/* フォーム */
.form-section {
  background: #fff;
  border-radius: 10px;
  padding: 20px;
  margin-bottom: 16px;
  box-shadow: 0 1px 4px rgba(0,0,0,0.08);
}

.form-section h2 {
  font-size: 1rem;
  margin-bottom: 14px;
  color: #1e293b;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 14px;
}

@media (max-width: 600px) {
  .form-grid {
    grid-template-columns: 1fr;
  }
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.form-group:last-child {
  grid-column: 1 / -1;
}

label {
  font-size: 0.82rem;
  font-weight: 600;
  color: #475569;
}

.required {
  color: #ef4444;
}

input[type="text"],
input[type="number"] {
  border: 1px solid #cbd5e1;
  border-radius: 6px;
  padding: 8px 10px;
  font-size: 0.9rem;
  width: 100%;
  transition: border-color 0.2s;
}

input:focus {
  outline: none;
  border-color: #3b82f6;
}

.form-actions {
  display: flex;
  gap: 8px;
}

.btn {
  padding: 9px 20px;
  border: none;
  border-radius: 6px;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: opacity 0.15s;
}

.btn:hover { opacity: 0.85; }

.btn-primary {
  background: #3b82f6;
  color: #fff;
}

.btn-secondary {
  background: #e2e8f0;
  color: #475569;
}

.btn-danger-sm {
  padding: 5px 12px;
  border: none;
  border-radius: 6px;
  font-size: 0.8rem;
  font-weight: 600;
  background: #fee2e2;
  color: #dc2626;
  cursor: pointer;
}
.btn-danger-sm:hover { opacity: 0.8; }

.error-msg {
  color: #ef4444;
  font-size: 0.82rem;
  margin-top: 8px;
  min-height: 18px;
}

/* 凡例 */
.legend {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  font-size: 0.82rem;
  color: #475569;
  margin-bottom: 16px;
  padding: 10px 14px;
  background: #fff;
  border-radius: 8px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.06);
}

.badge {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 20px;
  font-size: 0.78rem;
  font-weight: 700;
  color: #fff;
}

.badge-red    { background: #ef4444; }
.badge-yellow { background: #f59e0b; color: #fff; }
.badge-green  { background: #22c55e; }

/* 一覧 */
.list-section {
  background: #fff;
  border-radius: 10px;
  padding: 20px;
  box-shadow: 0 1px 4px rgba(0,0,0,0.08);
}

.list-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
}

.list-header h2 {
  font-size: 1rem;
  color: #1e293b;
  display: flex;
  align-items: center;
  gap: 8px;
}

.count-badge {
  font-size: 0.78rem;
  font-weight: 600;
  background: #e2e8f0;
  color: #475569;
  padding: 2px 8px;
  border-radius: 20px;
}

.empty-msg {
  text-align: center;
  color: #94a3b8;
  font-size: 0.88rem;
  padding: 30px 0;
}

.table-wrap {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
}

thead th {
  background: #f8fafc;
  padding: 10px 12px;
  text-align: left;
  font-weight: 600;
  font-size: 0.8rem;
  color: #64748b;
  border-bottom: 1px solid #e2e8f0;
  white-space: nowrap;
}

tbody tr {
  border-bottom: 1px solid #f1f5f9;
  transition: background 0.1s;
}

tbody tr:hover { background: #f8fafc; }

tbody td {
  padding: 10px 12px;
  vertical-align: middle;
}

.risk-dot {
  display: inline-block;
  width: 14px;
  height: 14px;
  border-radius: 50%;
}

.risk-red    { background: #ef4444; }
.risk-yellow { background: #f59e0b; }
.risk-green  { background: #22c55e; }

.days-cell {
  font-weight: 700;
  font-size: 1rem;
}

.days-red    { color: #ef4444; }
.days-yellow { color: #d97706; }
.days-green  { color: #16a34a; }

.note-cell {
  font-size: 0.8rem;
  color: #64748b;
  max-width: 120px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.action-btns {
  display: flex;
  gap: 6px;
  white-space: nowrap;
}

.btn-edit {
  padding: 4px 10px;
  border: 1px solid #cbd5e1;
  border-radius: 5px;
  background: #fff;
  font-size: 0.78rem;
  cursor: pointer;
  color: #475569;
}
.btn-edit:hover { background: #f1f5f9; }

.btn-delete {
  padding: 4px 10px;
  border: 1px solid #fecaca;
  border-radius: 5px;
  background: #fff;
  font-size: 0.78rem;
  cursor: pointer;
  color: #dc2626;
}
.btn-delete:hover { background: #fee2e2; }