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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #f4f6fb;
  color: #1e293b;
  min-height: 100vh;
  padding-bottom: 40px;
}

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

h1 {
  font-size: 1.5rem;
  font-weight: 700;
  color: #1e293b;
  padding: 20px 0 16px;
  border-bottom: 2px solid #2563eb;
  margin-bottom: 20px;
}

h2 {
  font-size: 1rem;
  font-weight: 600;
  color: #475569;
  margin-bottom: 12px;
}

/* フォーム */
.form-section {
  background: #fff;
  border-radius: 12px;
  padding: 20px;
  margin-bottom: 16px;
  box-shadow: 0 1px 4px rgba(0,0,0,0.07);
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 16px;
}

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

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

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

label {
  font-size: 0.82rem;
  font-weight: 600;
  color: #64748b;
}

input, select {
  border: 1.5px solid #e2e8f0;
  border-radius: 8px;
  padding: 9px 12px;
  font-size: 0.95rem;
  color: #1e293b;
  background: #f8fafc;
  transition: border-color 0.15s;
  width: 100%;
}

input:focus, select:focus {
  outline: none;
  border-color: #2563eb;
  background: #fff;
}

/* ボタン */
.btn {
  display: inline-block;
  padding: 10px 24px;
  border: none;
  border-radius: 8px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s, transform 0.1s;
}

.btn:active {
  transform: scale(0.97);
}

.btn--primary {
  background: #2563eb;
  color: #fff;
  width: 100%;
}

.btn--primary:hover {
  background: #1d4ed8;
}

.btn--danger {
  background: none;
  color: #ef4444;
  padding: 4px 10px;
  font-size: 0.82rem;
  border: 1px solid #fca5a5;
  border-radius: 6px;
}

.btn--danger:hover {
  background: #fee2e2;
}

/* 絞り込み */
.filter-section {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.filter-section label {
  font-size: 0.88rem;
  color: #64748b;
  white-space: nowrap;
}

.filter-section select {
  width: auto;
  min-width: 160px;
}

/* 集計エリア */
.summary-section {
  margin-bottom: 16px;
}

.summary-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 12px;
}

.summary-card {
  background: #fff;
  border-radius: 12px;
  padding: 16px;
  box-shadow: 0 1px 4px rgba(0,0,0,0.07);
  border-left: 4px solid #2563eb;
}

.summary-card__label {
  font-size: 0.78rem;
  color: #94a3b8;
  margin-bottom: 4px;
}

.summary-card__value {
  font-size: 1.3rem;
  font-weight: 700;
  color: #1e293b;
}

.summary-card__sub {
  font-size: 0.78rem;
  color: #64748b;
  margin-top: 2px;
}

/* 記録一覧 */
.records-section {
  background: #fff;
  border-radius: 12px;
  padding: 20px;
  box-shadow: 0 1px 4px rgba(0,0,0,0.07);
}

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

.empty-msg {
  color: #94a3b8;
  font-size: 0.9rem;
  text-align: center;
  padding: 20px 0;
}

.record-item {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  border: 1.5px solid #e2e8f0;
  border-radius: 10px;
  padding: 12px 14px;
  background: #f8fafc;
}

.record-item__info {
  flex: 1;
  min-width: 0;
}

.record-item__project {
  font-weight: 700;
  font-size: 0.97rem;
  margin-bottom: 2px;
  color: #1e293b;
}

.record-item__details {
  font-size: 0.82rem;
  color: #64748b;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.record-item__amount {
  font-weight: 700;
  font-size: 0.95rem;
  color: #2563eb;
  white-space: nowrap;
}

.record-item__actions {
  display: flex;
  align-items: center;
  gap: 6px;
}