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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: #f4f6f8;
  color: #333;
  min-height: 100vh;
}

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

h1 {
  font-size: 1.4rem;
  font-weight: 700;
  color: #2c3e50;
  text-align: center;
  margin-bottom: 4px;
}

.subtitle {
  text-align: center;
  color: #7f8c8d;
  font-size: 0.85rem;
  margin-bottom: 20px;
}

h2 {
  font-size: 0.95rem;
  font-weight: 600;
  color: #2c3e50;
  margin-bottom: 12px;
}

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

.form-group {
  margin-bottom: 12px;
}

.form-group label {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  color: #555;
  margin-bottom: 4px;
}

.form-group input {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid #ddd;
  border-radius: 6px;
  font-size: 0.95rem;
  color: #333;
  transition: border-color 0.2s;
}

.form-group input:focus {
  outline: none;
  border-color: #3498db;
}

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

.btn-row {
  display: flex;
  gap: 8px;
}

.btn-primary {
  flex: 1;
  padding: 11px;
  background: #3498db;
  color: #fff;
  border: none;
  border-radius: 6px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s;
}

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

.btn-secondary {
  padding: 11px 20px;
  background: #ecf0f1;
  color: #666;
  border: none;
  border-radius: 6px;
  font-size: 0.95rem;
  cursor: pointer;
}

.btn-secondary:hover {
  background: #dfe6e9;
}

/* サマリーカード */
.summary-section {
  margin-bottom: 16px;
}

.summary-cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}

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

.summary-card.danger {
  border-top: 3px solid #e74c3c;
}

.summary-card.warning {
  border-top: 3px solid #f39c12;
}

.summary-card.safe {
  border-top: 3px solid #27ae60;
}

.summary-label {
  display: block;
  font-size: 0.72rem;
  color: #7f8c8d;
  margin-bottom: 4px;
}

.summary-value {
  display: block;
  font-size: 1.4rem;
  font-weight: 700;
  color: #2c3e50;
}

/* フィルター */
.filter-section {
  margin-bottom: 12px;
}

.filter-row {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.filter-btn {
  padding: 6px 14px;
  border: 1px solid #ddd;
  border-radius: 20px;
  background: #fff;
  font-size: 0.82rem;
  cursor: pointer;
  color: #666;
  transition: all 0.2s;
}

.filter-btn.active {
  background: #3498db;
  border-color: #3498db;
  color: #fff;
}

.filter-btn:hover:not(.active) {
  background: #ecf0f1;
}

/* プロジェクトカード */
.project-card {
  background: #fff;
  border-radius: 10px;
  padding: 14px;
  margin-bottom: 10px;
  box-shadow: 0 1px 4px rgba(0,0,0,0.08);
  border-left: 4px solid #ccc;
  transition: transform 0.15s;
}

.project-card:hover {
  transform: translateY(-1px);
}

.project-card.danger {
  border-left-color: #e74c3c;
}

.project-card.warning {
  border-left-color: #f39c12;
}

.project-card.safe {
  border-left-color: #27ae60;
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
}

.project-name {
  font-size: 0.98rem;
  font-weight: 700;
  color: #2c3e50;
}

.risk-badge {
  font-size: 0.75rem;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 20px;
  color: #fff;
}

.risk-badge.danger {
  background: #e74c3c;
}

.risk-badge.warning {
  background: #f39c12;
}

.risk-badge.safe {
  background: #27ae60;
}

.card-numbers {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin-bottom: 10px;
}

.number-item {
  text-align: center;
}

.number-label {
  display: block;
  font-size: 0.72rem;
  color: #7f8c8d;
  margin-bottom: 2px;
}

.number-value {
  display: block;
  font-size: 0.95rem;
  font-weight: 600;
  color: #2c3e50;
}

.number-value.profit {
  color: #27ae60;
}

.number-value.loss {
  color: #e74c3c;
}

.gross-rate {
  font-size: 1rem;
  font-weight: 700;
}

.gross-rate.danger {
  color: #e74c3c;
}

.gross-rate.warning {
  color: #f39c12;
}

.gross-rate.safe {
  color: #27ae60;
}

.card-memo {
  font-size: 0.8rem;
  color: #7f8c8d;
  margin-bottom: 10px;
  padding: 6px 8px;
  background: #f8f9fa;
  border-radius: 4px;
}

.card-actions {
  display: flex;
  gap: 6px;
  justify-content: flex-end;
}

.btn-edit {
  padding: 5px 14px;
  background: #ecf0f1;
  border: none;
  border-radius: 5px;
  font-size: 0.82rem;
  cursor: pointer;
  color: #555;
}

.btn-edit:hover {
  background: #dfe6e9;
}

.btn-delete {
  padding: 5px 14px;
  background: #fdecea;
  border: none;
  border-radius: 5px;
  font-size: 0.82rem;
  cursor: pointer;
  color: #e74c3c;
}

.btn-delete:hover {
  background: #fadbd8;
}

.empty-message {
  text-align: center;
  color: #aaa;
  padding: 40px 0;
  font-size: 0.9rem;
}

/* レスポンシブ */
@media (max-width: 480px) {
  .summary-cards {
    grid-template-columns: repeat(2, 1fr);
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .card-numbers {
    grid-template-columns: repeat(3, 1fr);
  }
}