/* ========== Design Tokens ========== */
:root {
  --bg-primary: #0f172a;
  --bg-secondary: #1e293b;
  --bg-card: #1e293b;
  --bg-card-hover: #334155;
  --bg-input: #0f172a;
  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --accent-blue: #3b82f6;
  --accent-green: #10b981;
  --accent-yellow: #f59e0b;
  --accent-red: #ef4444;
  --accent-purple: #8b5cf6;
  --border: #334155;
  --border-focus: #3b82f6;
  --shadow:
    0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -2px rgba(0, 0, 0, 0.2);
  --radius: 12px;
  --radius-sm: 8px;
  --radius-xs: 4px;
  --transition: 0.2s ease;
}

/* ========== Base ========== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
body {
  font-family: "Segoe UI", "Hiragino Sans", "Meiryo", sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
}

/* ========== Header ========== */
.header {
  background: linear-gradient(135deg, #1e3a5f 0%, #0f172a 100%);
  border-bottom: 1px solid var(--border);
  padding: 20px 32px;
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(12px);
}
.header-inner {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.header h1 {
  font-size: 1.4rem;
  font-weight: 700;
  background: linear-gradient(135deg, #60a5fa, #a78bfa);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  letter-spacing: 0.02em;
}
.header-actions {
  display: flex;
  gap: 12px;
  align-items: center;
}

/* ========== Buttons ========== */
.btn {
  padding: 8px 20px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 0.875rem;
  font-weight: 600;
  transition: all var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--bg-secondary);
  color: var(--text-primary);
}
.btn:hover {
  background: var(--bg-card-hover);
  transform: translateY(-1px);
}
.btn-primary {
  background: var(--accent-blue);
  border-color: var(--accent-blue);
  color: #fff;
}
.btn-primary:hover {
  background: #2563eb;
}
.btn-success {
  background: var(--accent-green);
  border-color: var(--accent-green);
  color: #fff;
}
.btn-success:hover {
  background: #059669;
}
.btn-warning {
  background: var(--accent-yellow);
  border-color: var(--accent-yellow);
  color: #000;
}
.btn-warning:hover {
  background: #d97706;
}
.btn-danger {
  background: var(--accent-red);
  border-color: var(--accent-red);
  color: #fff;
}
.btn-sm {
  padding: 4px 12px;
  font-size: 0.8rem;
}

/* ========== Stats Bar ========== */
.stats-bar {
  max-width: 1400px;
  margin: 20px auto;
  padding: 0 32px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
}
.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 20px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  transition: all var(--transition);
}
.stat-card:hover {
  border-color: var(--accent-blue);
  transform: translateY(-2px);
}
.stat-card .label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}
.stat-card .value {
  font-size: 1.5rem;
  font-weight: 700;
}
.stat-card .value.blue {
  color: var(--accent-blue);
}
.stat-card .value.green {
  color: var(--accent-green);
}
.stat-card .value.yellow {
  color: var(--accent-yellow);
}
.stat-card .value.red {
  color: var(--accent-red);
}

/* ========== Filter Bar ========== */
.filter-bar {
  max-width: 1400px;
  margin: 16px auto;
  padding: 0 32px;
  display: flex;
  gap: 16px;
  align-items: center;
  flex-wrap: wrap;
}
.filter-group {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}
.filter-btn {
  padding: 6px 16px;
  border: 1px solid var(--border);
  border-radius: 20px;
  cursor: pointer;
  font-size: 0.85rem;
  background: var(--bg-secondary);
  color: var(--text-secondary);
  transition: all var(--transition);
}
.filter-btn:hover {
  border-color: var(--accent-blue);
  color: var(--text-primary);
}
.filter-btn.active {
  background: var(--accent-blue);
  border-color: var(--accent-blue);
  color: #fff;
  font-weight: 600;
}
.search-box {
  flex: 1;
  min-width: 200px;
}
.search-box input {
  width: 100%;
  padding: 8px 16px;
  border: 1px solid var(--border);
  border-radius: 20px;
  background: var(--bg-secondary);
  color: var(--text-primary);
  font-size: 0.85rem;
  transition: border-color var(--transition);
}
.search-box input:focus {
  outline: none;
  border-color: var(--accent-blue);
  box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.2);
}
.search-box input::placeholder {
  color: var(--text-muted);
}

/* ========== Month Navigation ========== */
.month-nav {
  max-width: 1400px;
  margin: 12px auto;
  padding: 0 32px;
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.month-btn {
  padding: 6px 16px;
  border: 1px solid var(--border);
  border-radius: 20px;
  cursor: pointer;
  font-size: 0.85rem;
  background: var(--bg-secondary);
  color: var(--text-secondary);
  transition: all var(--transition);
}
.month-btn:hover {
  border-color: var(--accent-blue);
  color: var(--text-primary);
}
.month-btn.active {
  background: var(--accent-blue);
  border-color: var(--accent-blue);
  color: #fff;
  font-weight: 600;
}
.month-btn .count {
  margin-left: 4px;
  font-size: 0.7rem;
  background: rgba(255, 255, 255, 0.15);
  padding: 1px 6px;
  border-radius: 10px;
}
.month-btn.active .count {
  background: rgba(255, 255, 255, 0.3);
}

/* ========== Bulk Actions ========== */
.bulk-bar {
  max-width: 1400px;
  margin: 8px auto;
  padding: 10px 32px;
  display: flex;
  gap: 12px;
  align-items: center;
  background: rgba(59, 130, 246, 0.08);
  border-top: 1px solid var(--accent-blue);
  border-bottom: 1px solid var(--accent-blue);
}
.bulk-bar span {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent-blue);
}

/* ========== Main Content ========== */
.main {
  max-width: 1400px;
  margin: 0 auto;
  padding: 16px 32px 60px;
}

/* ========== Loading ========== */
.loading {
  text-align: center;
  padding: 60px;
  color: var(--text-muted);
}
.spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--border);
  border-top-color: var(--accent-blue);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin: 0 auto 16px;
}
@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* ========== Transaction Card ========== */
.tx-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 10px;
  overflow: hidden;
  transition: all var(--transition);
}
.tx-card:hover {
  border-color: rgba(59, 130, 246, 0.5);
  box-shadow: var(--shadow);
}
.tx-card.is-new {
  border-left: 3px solid var(--accent-yellow);
}
.tx-card.has-warning {
  border-left: 3px solid var(--accent-red);
}
.tx-card.status-confirmed {
  border-left: 3px solid var(--accent-green);
}
.tx-card.status-ignored {
  border-left: 3px solid var(--text-muted);
  opacity: 0.6;
}
.tx-card.status-exported {
  border-left: 3px solid var(--accent-purple);
}
.tx-card.selected {
  background: rgba(59, 130, 246, 0.08);
  border-color: var(--accent-blue);
}

.tx-header {
  display: grid;
  grid-template-columns: 36px 90px 1fr auto auto auto auto;
  align-items: center;
  padding: 12px 16px;
  gap: 12px;
  cursor: pointer;
}
.tx-header:hover {
  background: var(--bg-card-hover);
}

.tx-checkbox {
  cursor: pointer;
  width: 18px;
  height: 18px;
  accent-color: var(--accent-blue);
}
.tx-date {
  font-size: 0.85rem;
  color: var(--text-secondary);
  font-family: monospace;
}
.tx-client {
  font-weight: 600;
  font-size: 0.95rem;
}
.tx-client .raw {
  font-size: 0.7rem;
  color: var(--text-muted);
  margin-left: 6px;
}
.tx-amount {
  font-weight: 700;
  font-size: 1rem;
  text-align: right;
  font-family: monospace;
}
.tx-payment {
  font-size: 0.8rem;
  text-align: right;
  color: var(--text-secondary);
  font-family: monospace;
}

.tx-status {
  font-size: 0.7rem;
  padding: 3px 10px;
  border-radius: 12px;
  font-weight: 600;
  text-transform: uppercase;
  white-space: nowrap;
}
.tx-status.draft {
  background: var(--accent-yellow);
  color: #000;
}
.tx-status.reviewed {
  background: var(--accent-blue);
  color: #fff;
}
.tx-status.confirmed {
  background: var(--accent-green);
  color: #fff;
}
.tx-status.ignored {
  background: var(--text-muted);
  color: #fff;
}
.tx-status.exported {
  background: var(--accent-purple);
  color: #fff;
}

.tx-badges {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
}
.tx-badge {
  font-size: 0.65rem;
  padding: 2px 8px;
  border-radius: 10px;
  font-weight: 600;
  white-space: nowrap;
}
.tx-badge.new-client {
  background: rgba(245, 158, 11, 0.2);
  color: var(--accent-yellow);
  border: 1px solid var(--accent-yellow);
}
.tx-badge.fee {
  background: rgba(239, 68, 68, 0.2);
  color: var(--accent-red);
  border: 1px solid var(--accent-red);
}
.tx-badge.mismatch {
  background: rgba(239, 68, 68, 0.15);
  color: var(--accent-red);
  border: 1px solid var(--accent-red);
}
.tx-badge.high-amount {
  background: rgba(139, 92, 246, 0.2);
  color: var(--accent-purple);
  border: 1px solid var(--accent-purple);
}

/* --- 種別バッジ --- */
.tx-badge.badge-sales {
  background: rgba(59, 130, 246, 0.15);
  color: #60a5fa;
  border: 1px solid rgba(59, 130, 246, 0.4);
}
.tx-badge.badge-expense {
  background: rgba(251, 146, 60, 0.15);
  color: #fb923c;
  border: 1px solid rgba(251, 146, 60, 0.4);
}
.tx-badge.badge-medical {
  background: rgba(236, 72, 153, 0.15);
  color: #ec4899;
  border: 1px solid rgba(236, 72, 153, 0.4);
}
.tx-badge.badge-account {
  background: rgba(148, 163, 184, 0.1);
  color: var(--text-secondary);
  border: 1px solid var(--border);
  font-size: 0.6rem;
}

/* --- カード左ボーダー: 売上/経費/医療費 --- */
.tx-card--sales {
  border-left: 4px solid #3b82f6;
}
.tx-card--expense {
  border-left: 4px solid #fb923c;
}
.tx-card--medical {
  border-left: 4px solid #ec4899;
}
/* 経費カードの金額はオレンジ */
.tx-card--expense .tx-amount,
.tx-card--medical .tx-amount {
  color: #fb923c;
}
/* ステータスconfirmed/exportedは左ボーダーを上書き */
.tx-card--sales.status-confirmed {
  border-left-color: var(--accent-green);
}
.tx-card--expense.status-confirmed {
  border-left-color: var(--accent-green);
}
.tx-card--medical.status-confirmed {
  border-left-color: var(--accent-green);
}
.tx-card--sales.status-exported {
  border-left-color: var(--accent-purple);
}
.tx-card--expense.status-exported {
  border-left-color: var(--accent-purple);
}
.tx-card--medical.status-exported {
  border-left-color: var(--accent-purple);
}

/* ========== Transaction Detail ========== */
.tx-detail {
  display: none;
  border-top: 1px solid var(--border);
  padding: 16px;
  background: rgba(0, 0, 0, 0.15);
}
.tx-card.expanded .tx-detail {
  display: block;
}

.item-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 12px;
}
.item-table th {
  text-align: left;
  padding: 6px 10px;
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-bottom: 1px solid var(--border);
}
.item-table td {
  padding: 8px 10px;
  font-size: 0.85rem;
  border-bottom: 1px solid rgba(51, 65, 85, 0.5);
}
.item-table td.num {
  text-align: right;
  font-family: monospace;
}
.item-table tr.total-row {
  font-weight: 700;
  border-top: 2px solid var(--border);
}

.tx-edit-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 12px;
}
.field-group {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.field-group label {
  font-size: 0.75rem;
  color: var(--text-muted);
}
.field-group input,
.field-group select {
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-xs);
  padding: 6px 10px;
  color: var(--text-primary);
  font-size: 0.85rem;
}
.field-group input:focus,
.field-group select:focus {
  outline: none;
  border-color: var(--border-focus);
  box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.2);
}

.tx-detail-actions {
  display: flex;
  gap: 8px;
  margin-top: 16px;
  justify-content: flex-end;
  flex-wrap: wrap;
}

/* ========== Summary Footer ========== */
.summary-row {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 20px;
  padding: 16px 20px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-top: 16px;
  align-items: center;
}
.summary-row .label {
  font-weight: 600;
  color: var(--text-secondary);
}
.summary-row .amount {
  font-size: 1.3rem;
  font-weight: 700;
  font-family: monospace;
}

/* ========== Toast ========== */
.toast {
  position: fixed;
  bottom: 30px;
  right: 30px;
  background: var(--accent-green);
  color: #fff;
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  z-index: 1000;
  transform: translateY(100px);
  opacity: 0;
  transition: all 0.3s ease;
  max-width: 400px;
}
.toast.show {
  transform: translateY(0);
  opacity: 1;
}
.toast.error {
  background: var(--accent-red);
}

/* ========== Modal ========== */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  z-index: 200;
  justify-content: center;
  align-items: center;
}
.modal-overlay.active {
  display: flex;
}
.modal {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  max-width: 700px;
  width: 90%;
  max-height: 80vh;
  overflow-y: auto;
}
.modal h2 {
  margin-bottom: 16px;
  font-size: 1.2rem;
}
.modal pre {
  background: var(--bg-primary);
  padding: 16px;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  overflow-x: auto;
  max-height: 50vh;
  white-space: pre-wrap;
  word-break: break-all;
  line-height: 1.4;
}

/* ========== Empty State ========== */
.empty-state {
  text-align: center;
  color: var(--text-muted);
  padding: 60px 20px;
}
.empty-state .icon {
  font-size: 3rem;
  margin-bottom: 16px;
}

/* ========== Number formatting ========== */
.yen::before {
  content: "¥";
  font-size: 0.8em;
  opacity: 0.6;
  margin-right: 2px;
}

/* ========== Responsive ========== */
@media (max-width: 900px) {
  .header {
    padding: 14px 16px;
  }
  .stats-bar,
  .filter-bar,
  .month-nav,
  .main,
  .bulk-bar {
    padding-left: 16px;
    padding-right: 16px;
  }
  .tx-header {
    grid-template-columns: 30px 80px 1fr auto auto;
    font-size: 0.85rem;
  }
  .tx-payment,
  .tx-badges {
    display: none;
  }
  .tx-edit-row {
    grid-template-columns: 1fr;
  }
  .stats-bar {
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  }
}