:root {
  --bg: #0f172a;
  --panel: #111827;
  --card: #1f2937;
  --border: #334155;
  --text: #f8fafc;
  --muted: #94a3b8;
  --accent: #38bdf8;
  --accent-dark: #0ea5e9;
  --success: #22c55e;
  --danger: #ef4444;
  --warning: #f59e0b;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
}

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

body {
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
}

/* 外部リソースロード失敗時のフォールバック：アイコンの代替文字 */
.fa-solid, .fa-regular, .fa-brands {
  font-style: normal;
}

.app-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px 40px;
  border-bottom: 1px solid var(--border);
  background: linear-gradient(120deg, rgba(56,189,248,0.18), rgba(14,165,233,0.06));
}

.brand {
  display: flex;
  gap: 16px;
  align-items: center;
}

.brand i {
  font-size: 32px;
  color: var(--accent);
}

.brand h1 {
  font-size: 24px;
  font-weight: 600;
}

.brand p {
  color: var(--muted);
  font-size: 14px;
}

.header-actions {
  display: flex;
  gap: 12px;
}

.app-main {
  padding: 24px 40px 60px;
}

.tabs {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 24px;
}

.tab {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--muted);
  padding: 10px 16px;
  border-radius: 999px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.tab.active {
  background: var(--accent);
  color: #0b1120;
  border-color: transparent;
  font-weight: 600;
}

.panel {
  display: none;
  animation: fadeIn 0.3s ease;
}

.panel.active {
  display: block;
}

.panel-header {
  margin-bottom: 20px;
}

.panel-header h2 {
  font-size: 22px;
  margin-bottom: 6px;
}

.panel-header p {
  color: var(--muted);
}

.panel-header .hint {
  font-size: 13px;
  color: var(--muted);
  margin-top: 6px;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  background: var(--panel);
  border: 1px solid var(--border);
  padding: 20px;
  border-radius: 16px;
  margin-bottom: 24px;
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

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

label {
  font-size: 13px;
  color: var(--muted);
}

input, select, textarea {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px 12px;
  color: var(--text);
}

textarea {
  resize: vertical;
}

.form-actions {
  grid-column: 1 / -1;
  display: flex;
  gap: 12px;
}

.btn {
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--text);
  padding: 10px 16px;
  border-radius: 10px;
  cursor: pointer;
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.btn.primary {
  background: var(--accent);
  color: #0b1120;
  border: none;
}

.btn.ghost {
  background: transparent;
}

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

.table-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 16px;
}

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

.table-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.table-wrapper {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

thead {
  background: rgba(148,163,184,0.08);
}

th, td {
  padding: 12px 10px;
  border-bottom: 1px solid var(--border);
}

th {
  text-align: left;
  color: var(--muted);
}

td.num, th.num {
  text-align: right;
  font-variant-numeric: tabular-nums;
}

.search {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--card);
  border: 1px solid var(--border);
  padding: 6px 10px;
  border-radius: 999px;
}

.search input {
  background: transparent;
  border: none;
  outline: none;
  color: var(--text);
}

.filter-bar {
  display: flex;
  gap: 12px;
  align-items: center;
  margin-bottom: 16px;
}

.global-filter {
  display: flex;
  gap: 16px;
  align-items: flex-end;
  flex-wrap: wrap;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 16px 20px;
  margin-bottom: 24px;
}

.filter-item {
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-width: 180px;
}

.filter-actions {
  display: flex;
  gap: 10px;
  align-items: center;
}

.panel-actions {
  margin-top: 12px;
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.summary-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 12px;
  margin-bottom: 16px;
}

.summary-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 16px;
}

.summary-card h4 {
  font-size: 14px;
  color: var(--muted);
  margin-bottom: 6px;
}

.summary-card p {
  font-size: 20px;
  font-weight: 600;
}

.icon-btn {
  background: transparent;
  border: none;
  color: var(--muted);
  cursor: pointer;
  font-size: 18px;
}

.tag {
  padding: 4px 8px;
  border-radius: 999px;
  font-size: 12px;
  display: inline-block;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 11px;
  margin-left: 6px;
}

.badge.correction {
  background: rgba(245, 158, 11, 0.2);
  color: var(--warning);
  border: 1px solid rgba(245, 158, 11, 0.4);
}

.amount-negative {
  color: var(--warning);
  font-weight: 600;
}

.tag.active {
  background: rgba(34,197,94,0.2);
  color: var(--success);
}

.tag.inactive {
  background: rgba(239,68,68,0.2);
  color: var(--danger);
}

.action-buttons {
  display: flex;
  gap: 8px;
}

.modal {
  position: fixed;
  inset: 0;
  background: rgba(15,23,42,0.8);
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.modal.active {
  display: flex;
}

.modal-content {
  background: var(--panel);
  border-radius: 16px;
  padding: 20px;
  width: min(600px, 100%);
  border: 1px solid var(--border);
}

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

/* ソート可能なヘッダー */
th.sortable {
  cursor: pointer;
  user-select: none;
  white-space: nowrap;
}

th.sortable:hover {
  background: rgba(56, 189, 248, 0.1);
  color: var(--accent);
}

.sort-icon {
  display: inline-block;
  margin-left: 6px;
  opacity: 0.4;
  font-size: 11px;
  transition: opacity 0.2s;
}

th.sortable:hover .sort-icon {
  opacity: 0.8;
}

.sort-icon .sort-active {
  color: var(--accent);
  opacity: 1 !important;
}

/* 科目コードバッジ */
.code-badge {
  display: inline-block;
  background: rgba(56, 189, 248, 0.12);
  color: var(--accent);
  border: 1px solid rgba(56, 189, 248, 0.25);
  border-radius: 6px;
  padding: 2px 8px;
  font-size: 12px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.05em;
}

.btn.pdf-btn {
  background: rgba(239, 68, 68, 0.12);
  color: #f87171;
  border-color: rgba(239, 68, 68, 0.35);
  font-weight: 600;
}

.btn.pdf-btn:hover {
  background: #ef4444;
  color: #fff;
  border-color: #ef4444;
}

.btn.danger {
  background: rgba(239,68,68,0.15);
  color: var(--danger);
  border-color: rgba(239,68,68,0.4);
}

.btn.danger:hover {
  background: var(--danger);
  color: #fff;
}

.user-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(56,189,248,0.1);
  border: 1px solid rgba(56,189,248,0.3);
  color: var(--accent);
  padding: 8px 14px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 500;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 768px) {
  .app-header,
  .app-main {
    padding: 20px;
  }

  .filter-bar,
  .global-filter {
    flex-direction: column;
    align-items: stretch;
  }
}

/* ================================================
   損益計算書 (P/L) スタイル
   ================================================ */

/* セクション見出し行（【収益の部】など） */
tr.pl-section-header td {
  background: var(--card);
  color: var(--accent);
  font-weight: 700;
  font-size: 13px;
  padding: 10px 16px;
  border-left: 3px solid var(--accent);
  letter-spacing: 0.05em;
}

/* 収益行 */
tr.pl-income-row td {
  background: rgba(34, 197, 94, 0.04);
}
tr.pl-income-row:hover td {
  background: rgba(34, 197, 94, 0.1);
}

/* 費用行 */
tr.pl-expense-row td {
  background: rgba(239, 68, 68, 0.04);
}
tr.pl-expense-row:hover td {
  background: rgba(239, 68, 68, 0.1);
}

/* 小計行 */
tr.pl-subtotal td {
  background: var(--card);
  border-top: 1px solid var(--border);
  padding: 10px 16px;
  font-size: 13px;
}
tr.pl-subtotal td.num {
  color: var(--accent);
}

/* 当期純利益行 */
tr.pl-profit td {
  padding: 12px 16px;
  font-size: 14px;
}
tr.pl-profit.profit td {
  background: rgba(34, 197, 94, 0.12);
  color: #22c55e;
  border-top: 2px solid #22c55e;
}
tr.pl-profit.loss td {
  background: rgba(239, 68, 68, 0.12);
  color: #ef4444;
  border-top: 2px solid #ef4444;
}

/* サマリーカード：利益/損失 */
.summary-card.profit p { color: #22c55e; }
.summary-card.loss p   { color: #ef4444; }

/* ================================================
   貸借対照表 (BS) スタイル
   ================================================ */

/* BS外枠テーブル */
.bs-layout-table {
  width: 100%;
  border-collapse: collapse;
}

.bs-layout-row > td {
  vertical-align: top;
  padding: 0;
  width: 50%;
  border: none;
}

/* 左右のカラム間に仕切り線 */
.bs-col-left {
  padding-right: 8px !important;
  border-right: 2px solid var(--border) !important;
}
.bs-col-right {
  padding-left: 8px !important;
}

/* 内側テーブル共通 */
.bs-inner-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}
.bs-inner-table th,
.bs-inner-table td {
  padding: 8px 12px;
  border-bottom: 1px solid rgba(51,65,85,0.5);
}
.bs-inner-table th {
  background: var(--panel);
  color: var(--muted);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.bs-inner-table td.num {
  text-align: right;
  font-variant-numeric: tabular-nums;
}

/* カラムタイトル（資産の部 / 負債の部 / 純資産の部） */
.bs-col-title {
  text-align: center !important;
  font-size: 13px !important;
  font-weight: 700 !important;
  letter-spacing: 0.08em;
  padding: 10px 12px !important;
}
.asset-title  { background: rgba(56, 189, 248, 0.15) !important; color: var(--accent) !important; border-bottom: 2px solid var(--accent) !important; }
.liab-title   { background: rgba(239, 68, 68, 0.12) !important;  color: #f87171 !important;        border-bottom: 2px solid #ef4444 !important; }
.equity-title { background: rgba(34, 197, 94, 0.12) !important;  color: #4ade80 !important;        border-bottom: 2px solid #22c55e !important; }

/* 各行の色分け */
tr.bs-asset-row td   { background: rgba(56, 189, 248, 0.03); }
tr.bs-asset-row:hover td  { background: rgba(56, 189, 248, 0.09); }
tr.bs-liab-row td    { background: rgba(239, 68, 68, 0.03); }
tr.bs-liab-row:hover td   { background: rgba(239, 68, 68, 0.09); }
tr.bs-equity-row td  { background: rgba(34, 197, 94, 0.03); }
tr.bs-equity-row:hover td { background: rgba(34, 197, 94, 0.09); }

/* 合計行 */
tr.bs-subtotal td {
  font-size: 13px;
  border-top: 1px solid var(--border);
  background: var(--card);
}
tr.bs-subtotal td.num { font-variant-numeric: tabular-nums; }
tr.bs-subtotal.asset-total  td { color: var(--accent);   border-top: 2px solid var(--accent); }
tr.bs-subtotal.liab-total   td { color: #f87171;          border-top: 2px solid #ef4444; }
tr.bs-subtotal.equity-total td { color: #4ade80;          border-top: 2px solid #22c55e; }
tr.bs-subtotal.le-total     td {
  color: var(--text);
  background: rgba(248,250,252,0.06);
  border-top: 2px solid var(--border);
  font-size: 14px;
}

/* バランスサマリーカード */
.summary-card.balanced   p { color: #22c55e; }
.summary-card.unbalanced p { color: #ef4444; }

/* BSテーブルラッパー */
.bs-table-wrapper {
  overflow-x: auto;
}

/* レスポンシブ：スマホでは縦積み */
@media (max-width: 768px) {
  .bs-layout-row { display: flex; flex-direction: column; }
  .bs-col-left  { padding-right: 0 !important; border-right: none !important; border-bottom: 2px solid var(--border) !important; padding-bottom: 16px !important; }
  .bs-col-right { padding-left: 0 !important; padding-top: 16px !important; }
}

/* ================================================
   バックアップリマインダーバナー
   ================================================ */

.backup-banner {
  position: fixed;
  bottom: -160px; /* 初期状態は画面外 */
  left: 50%;
  transform: translateX(-50%);
  width: min(720px, calc(100% - 32px));
  background: linear-gradient(135deg, #1e293b 0%, #0f2744 100%);
  border: 1px solid rgba(56, 189, 248, 0.4);
  border-radius: 14px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(56,189,248,0.15);
  z-index: 9999;
  transition: bottom 0.45s cubic-bezier(0.34, 1.56, 0.64, 1);
  overflow: hidden;
}

/* 上部のアクセントライン */
.backup-banner::before {
  content: '';
  display: block;
  height: 3px;
  background: linear-gradient(90deg, #38bdf8, #22c55e);
}

.backup-banner.show {
  bottom: 24px;
}

.backup-banner-inner {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 20px;
}

.backup-banner-icon {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  background: rgba(56, 189, 248, 0.15);
  border: 1px solid rgba(56, 189, 248, 0.3);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  color: var(--accent);
  animation: pulse-icon 2s ease-in-out infinite;
}

@keyframes pulse-icon {
  0%, 100% { box-shadow: 0 0 0 0 rgba(56,189,248,0.4); }
  50%       { box-shadow: 0 0 0 8px rgba(56,189,248,0); }
}

.backup-banner-body {
  flex: 1;
  min-width: 0;
}

.backup-banner-body strong {
  display: block;
  font-size: 14px;
  color: var(--text);
  margin-bottom: 3px;
}

.backup-banner-body p {
  font-size: 12px;
  color: var(--muted);
  line-height: 1.5;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.backup-banner-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

/* ================================================
   バックアップ完了トースト
   ================================================ */

.backup-toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: #1e293b;
  color: #22c55e;
  border: 1px solid rgba(34, 197, 94, 0.4);
  border-radius: 999px;
  padding: 12px 24px;
  font-size: 13px;
  font-weight: 600;
  white-space: nowrap;
  box-shadow: 0 4px 20px rgba(0,0,0,0.4);
  z-index: 10000;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.backup-toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* レスポンシブ対応 */
@media (max-width: 768px) {
  .backup-banner-inner {
    flex-wrap: wrap;
    gap: 10px;
  }
  .backup-banner-body p {
    white-space: normal;
  }
  .backup-banner-actions {
    width: 100%;
    justify-content: flex-end;
  }
}