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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Hiragino Sans", sans-serif;
  background: #f5f7fa;
  color: #333;
  min-height: 100vh;
}

.container {
  max-width: 700px;
  margin: 0 auto;
  padding: 16px;
}

h1 {
  font-size: 1.4rem;
  font-weight: 700;
  color: #1a73e8;
  text-align: center;
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 2px solid #1a73e8;
}

h2 {
  font-size: 1rem;
  font-weight: 600;
  color: #444;
  margin-bottom: 12px;
}

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

.form-grid {
  display: grid;
  gap: 12px;
  margin-bottom: 14px;
}

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

label {
  font-size: 0.85rem;
  color: #555;
  font-weight: 500;
}

.required {
  color: #e53935;
}

input[type="text"],
input[type="date"] {
  padding: 8px 10px;
  border: 1px solid #ddd;
  border-radius: 6px;
  font-size: 0.95rem;
  color: #333;
  background: #fafafa;
  transition: border-color 0.2s;
  width: 100%;
}

input[type="text"]:focus,
input[type="date"]:focus {
  outline: none;
  border-color: #1a73e8;
  background: #fff;
}

.no-expiry-label {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  color: #666;
  margin-top: 4px;
  cursor: pointer;
}

.no-expiry-label input[type="checkbox"] {
  width: 16px;
  height: 16px;
  cursor: pointer;
}

.btn-primary {
  display: block;
  width: 100%;
  padding: 10px;
  background: #1a73e8;
  color: #fff;
  border: none;
  border-radius: 6px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s;
}

.btn-primary:hover {
  background: #1558b0;
}

/* 凡例 */
.legend {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 14px;
  padding: 10px 14px;
  background: #fff;
  border-radius: 8px;
  box-shadow: 0 1px 4px rgba(0,0,0,0.06);
}

/* 一覧 */
.list-section {
  background: #fff;
  border-radius: 10px;
  padding: 16px;
  box-shadow: 0 1px 4px rgba(0,0,0,0.08);
}

.list-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

.count-badge {
  font-size: 0.8rem;
  background: #e8f0fe;
  color: #1a73e8;
  padding: 2px 10px;
  border-radius: 20px;
  font-weight: 600;
}

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

.item-card {
  border-radius: 8px;
  padding: 12px 14px;
  border-left: 4px solid #ccc;
  background: #fafafa;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 10px;
}

.item-card.expired {
  border-left-color: #e53935;
  background: #fff5f5;
}

.item-card.danger {
  border-left-color: #f57c00;
  background: #fff8f0;
}

.item-card.warning {
  border-left-color: #f9a825;
  background: #fffef0;
}

.item-card.ok {
  border-left-color: #43a047;
  background: #f5fff5;
}

.item-card.no-expiry {
  border-left-color: #9e9e9e;
  background: #fafafa;
}

.item-info {
  flex: 1;
  min-width: 0;
}

.item-name {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 4px;
  word-break: break-all;
}

.item-dates {
  font-size: 0.82rem;
  color: #666;
  margin-bottom: 4px;
}

.item-memo {
  font-size: 0.8rem;
  color: #888;
  word-break: break-all;
}

.item-right {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 8px;
  min-width: 80px;
}

.badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 12px;
  white-space: nowrap;
}

.badge.expired {
  background: #e53935;
  color: #fff;
}

.badge.danger {
  background: #f57c00;
  color: #fff;
}

.badge.warning {
  background: #f9a825;
  color: #fff;
}

.badge.ok {
  background: #43a047;
  color: #fff;
}

.badge.no-expiry {
  background: #9e9e9e;
  color: #fff;
}

.days-left {
  font-size: 0.82rem;
  font-weight: 600;
  text-align: right;
}

.days-left.expired { color: #e53935; }
.days-left.danger  { color: #f57c00; }
.days-left.warning { color: #f9a825; }
.days-left.ok      { color: #43a047; }

.btn-delete {
  background: none;
  border: 1px solid #ddd;
  border-radius: 5px;
  padding: 4px 8px;
  font-size: 0.78rem;
  color: #999;
  cursor: pointer;
  transition: all 0.2s;
}

.btn-delete:hover {
  border-color: #e53935;
  color: #e53935;
}

.empty-msg {
  text-align: center;
  color: #bbb;
  font-size: 0.9rem;
  padding: 20px 0;
}

@media (min-width: 520px) {
  .form-grid {
    grid-template-columns: 1fr 1fr;
  }

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