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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: #f5f7fa;
  color: #333;
  font-size: 15px;
  line-height: 1.5;
}

.container {
  max-width: 800px;
  margin: 0 auto;
  padding: 16px;
}

h1 {
  font-size: 1.4rem;
  font-weight: bold;
  margin-bottom: 20px;
  color: #2c3e50;
  border-left: 4px solid #3498db;
  padding-left: 10px;
}

h2 {
  font-size: 1rem;
  font-weight: bold;
  margin-bottom: 12px;
  color: #555;
}

/* フォームセクション */
.form-section {
  background: #fff;
  border-radius: 8px;
  padding: 16px;
  margin-bottom: 16px;
  box-shadow: 0 1px 4px rgba(0,0,0,0.08);
}

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

@media (max-width: 500px) {
  .form-grid {
    grid-template-columns: 1fr;
  }
}

label {
  display: flex;
  flex-direction: column;
  font-size: 0.85rem;
  color: #666;
  gap: 4px;
}

input[type="text"],
input[type="date"],
select {
  padding: 8px 10px;
  border: 1px solid #ddd;
  border-radius: 6px;
  font-size: 0.95rem;
  background: #fafafa;
  color: #333;
  width: 100%;
}

input[type="text"]:focus,
input[type="date"]:focus,
select:focus {
  outline: none;
  border-color: #3498db;
  background: #fff;
}

.btn-primary {
  background: #3498db;
  color: #fff;
  border: none;
  border-radius: 6px;
  padding: 9px 20px;
  font-size: 0.95rem;
  cursor: pointer;
  width: 100%;
}

.btn-primary:hover {
  background: #2980b9;
}

/* フィルターセクション */
.filter-section {
  margin-bottom: 16px;
}

.filter-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.filter-row input {
  flex: 1;
  min-width: 160px;
  padding: 8px 10px;
  border: 1px solid #ddd;
  border-radius: 6px;
  font-size: 0.9rem;
  background: #fff;
}

.filter-row select {
  padding: 8px 10px;
  border: 1px solid #ddd;
  border-radius: 6px;
  font-size: 0.9rem;
  background: #fff;
  width: auto;
}

/* サマリー */
.summary-section {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  margin-bottom: 16px;
}

@media (max-width: 500px) {
  .summary-section {
    grid-template-columns: repeat(2, 1fr);
  }
}

.summary-card {
  background: #fff;
  border-radius: 8px;
  padding: 12px;
  text-align: center;
  box-shadow: 0 1px 4px rgba(0,0,0,0.08);
  border-top: 4px solid #ccc;
}

.expired-card { border-top-color: #e74c3c; }
.warning-card { border-top-color: #f39c12; }
.ok-card { border-top-color: #27ae60; }
.no-expiry-card { border-top-color: #95a5a6; }

.summary-count {
  display: block;
  font-size: 1.8rem;
  font-weight: bold;
  color: #333;
}

.summary-label {
  display: block;
  font-size: 0.75rem;
  color: #777;
  margin-top: 2px;
}

/* 一覧セクション */
.list-section {
  background: #fff;
  border-radius: 8px;
  padding: 16px;
  box-shadow: 0 1px 4px rgba(0,0,0,0.08);
}

.training-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.empty-msg {
  text-align: center;
  color: #aaa;
  padding: 30px 0;
  font-size: 0.9rem;
}

/* 研修カード */
.training-card {
  border: 1px solid #e0e0e0;
  border-radius: 8px;
  padding: 12px 14px;
  display: flex;
  align-items: flex-start;
  gap: 12px;
  border-left: 5px solid #ccc;
}

.training-card.status-expired {
  border-left-color: #e74c3c;
  background: #fff6f6;
}

.training-card.status-warning {
  border-left-color: #f39c12;
  background: #fffbf0;
}

.training-card.status-ok {
  border-left-color: #27ae60;
  background: #f6fff9;
}

.training-card.status-no-expiry {
  border-left-color: #95a5a6;
  background: #fafafa;
}

.card-info {
  flex: 1;
}

.card-names {
  font-weight: bold;
  font-size: 1rem;
  margin-bottom: 4px;
}

.card-staff {
  color: #555;
}

.card-training {
  color: #2c3e50;
}

.card-dates {
  font-size: 0.82rem;
  color: #777;
  margin-top: 4px;
}

.card-status-badge {
  font-size: 0.78rem;
  font-weight: bold;
  padding: 3px 8px;
  border-radius: 20px;
  white-space: nowrap;
  flex-shrink: 0;
  margin-top: 2px;
}

.badge-expired {
  background: #fde8e8;
  color: #c0392b;
}

.badge-warning {
  background: #fef3cd;
  color: #d68910;
}

.badge-ok {
  background: #e8f8ee;
  color: #1e8449;
}

.badge-no-expiry {
  background: #f0f0f0;
  color: #777;
}

.card-actions {
  display: flex;
  flex-direction: column;
  gap: 6px;
  flex-shrink: 0;
}

.btn-delete {
  background: none;
  border: 1px solid #ddd;
  border-radius: 5px;
  padding: 4px 10px;
  font-size: 0.82rem;
  color: #e74c3c;
  cursor: pointer;
}

.btn-delete:hover {
  background: #fde8e8;
  border-color: #e74c3c;
}

.days-left {
  font-size: 0.8rem;
  color: #e74c3c;
  font-weight: bold;
}

.days-warning {
  color: #d68910;
}