/* =========================================================================
   キサヌキ見積システム — Design System
   ======================================================================= */

/* -------- Design Tokens -------- */
:root {
  /* Colors — 落ち着いたグリーン基調（DOORSの紺色と差別化） */
  --color-bg: #fafaf9;
  --color-surface: #ffffff;
  --color-surface-alt: #f5f5f4;
  --color-border: #e7e5e4;
  --color-border-strong: #d6d3d1;
  --color-text: #1c1917;
  --color-text-sub: #57534e;
  --color-text-muted: #a8a29e;

  --color-primary: #0d9488;          /* teal-600 */
  --color-primary-hover: #0f766e;
  --color-primary-soft: #ccfbf1;
  --color-primary-soft-text: #134e4a;

  --color-accent: #f59e0b;            /* amber for highlights */
  --color-danger: #dc2626;
  --color-danger-soft: #fef2f2;
  --color-success: #16a34a;
  --color-info: #3b82f6;

  /* Spacing scale */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;
  --space-10: 40px;
  --space-12: 48px;

  /* Type */
  --font-sans: -apple-system, "Hiragino Kaku Gothic ProN", "Yu Gothic UI", "Meiryo", "Segoe UI", sans-serif;
  --font-mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;

  /* Radius */
  --radius-sm: 4px;
  --radius: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;

  /* Shadow */
  --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.06), 0 2px 4px rgba(0, 0, 0, 0.04);
  --shadow-lg: 0 12px 24px rgba(0, 0, 0, 0.08), 0 4px 8px rgba(0, 0, 0, 0.04);

  /* Transitions */
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

/* -------- Dark Theme — クール感を出す深色配色 -------- */
[data-theme="dark"] {
  --color-bg: #0c0a09;            /* stone-950 */
  --color-surface: #1c1917;       /* stone-900 */
  --color-surface-alt: #292524;   /* stone-800 */
  --color-border: #44403c;        /* stone-700 */
  --color-border-strong: #57534e; /* stone-600 */
  --color-text: #fafaf9;          /* zinc-50 */
  --color-text-sub: #d6d3d1;      /* stone-300 */
  --color-text-muted: #78716c;    /* stone-500 */

  /* primary は teal をやや明るめに（暗背景で映える色） */
  --color-primary: #2dd4bf;        /* teal-400 */
  --color-primary-hover: #5eead4;
  --color-primary-soft: #134e4a;   /* teal-900 — 暗い背景としての primary-soft */
  --color-primary-soft-text: #ccfbf1;

  --color-accent: #fbbf24;         /* amber-400 */
  --color-danger: #f87171;         /* red-400 */
  --color-danger-soft: #450a0a;    /* red-950 */
  --color-success: #4ade80;        /* green-400 */
  --color-info: #60a5fa;           /* blue-400 */

  /* シャドウは暗背景では効きづらいので少し強めに */
  --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.4), 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.45), 0 2px 4px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 12px 24px rgba(0, 0, 0, 0.55), 0 4px 8px rgba(0, 0, 0, 0.3);
}

/* テーマ切替時の滑らかなトランジション（背景・文字色のみ） */
html, body, .app, .sidebar, .topbar, .card, .item-card,
.input, .select, .textarea, .btn {
  transition: background-color 0.2s var(--ease), color 0.2s var(--ease), border-color 0.2s var(--ease);
}

/* -------- Base -------- */
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.5;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}
a { color: var(--color-primary); text-decoration: none; }
a:hover { text-decoration: underline; }

h1, h2, h3, h4 { margin: 0; font-weight: 600; letter-spacing: -0.01em; }

/* -------- Layout -------- */
.app {
  display: grid;
  grid-template-columns: 240px 1fr;
  min-height: 100vh;
  transition: grid-template-columns 0.18s var(--ease);
}
.app.sidebar-collapsed { grid-template-columns: 0 1fr; }
.app.sidebar-collapsed .sidebar {
  transform: translateX(-100%);
  pointer-events: none; overflow: hidden;
}
.sidebar {
  background: var(--color-surface);
  border-right: 1px solid var(--color-border);
  padding: var(--space-6) 0;
  position: sticky; top: 0; height: 100vh; overflow-y: auto;
  transition: transform 0.18s var(--ease);
}
/* サイドバー折りたたみボタン */
.sidebar-toggle {
  position: absolute; top: 8px; right: 6px;
  width: 26px; height: 26px;
  background: transparent; border: 1px solid var(--color-border);
  border-radius: 4px;
  display: inline-flex; align-items: center; justify-content: center;
  cursor: pointer; color: var(--color-text-muted);
  font-size: 14px; line-height: 1;
}
.sidebar-toggle:hover { background: var(--color-surface-alt); color: var(--color-text); }
/* サイドバー閉じた時に画面左上に出るフローティングボタン */
.sidebar-show-btn {
  position: fixed; top: 14px; left: 10px; z-index: 50;
  width: 32px; height: 32px;
  background: var(--color-surface); border: 1px solid var(--color-border-strong);
  border-radius: var(--radius);
  display: none; align-items: center; justify-content: center;
  cursor: pointer; color: var(--color-text-sub);
  box-shadow: var(--shadow-sm);
  font-size: 16px; line-height: 1;
}
.sidebar-show-btn:hover { background: var(--color-surface-alt); }
.app.sidebar-collapsed .sidebar-show-btn { display: inline-flex; }
.sidebar .brand {
  padding: 0 var(--space-6) var(--space-6);
  border-bottom: 1px solid var(--color-border);
  margin-bottom: var(--space-4);
}
.sidebar .brand-logo {
  display: flex; align-items: center; gap: var(--space-2);
  font-size: 16px; font-weight: 700; letter-spacing: -0.02em;
}
.sidebar .brand-logo .dot {
  width: 10px; height: 10px; border-radius: 50%;
  background: var(--color-primary);
}
.sidebar .brand-sub {
  font-size: 11px; color: var(--color-text-muted); margin-top: 4px;
}
.sidebar .nav-section {
  padding: var(--space-2) var(--space-5);
  font-size: 11px; color: var(--color-text-muted);
  text-transform: uppercase; letter-spacing: 0.06em; margin-top: var(--space-3);
}
.sidebar .nav-item {
  display: flex; align-items: center; gap: var(--space-3);
  padding: var(--space-2) var(--space-5);
  margin: 2px var(--space-3);
  color: var(--color-text-sub); font-size: 14px; font-weight: 500;
  border-radius: var(--radius);
  cursor: pointer; transition: all 0.15s var(--ease);
}
.sidebar .nav-item:hover {
  background: var(--color-surface-alt); color: var(--color-text);
}
.sidebar .nav-item.active {
  background: var(--color-primary-soft);
  color: var(--color-primary-soft-text);
}
.sidebar .nav-item svg { width: 18px; height: 18px; flex-shrink: 0; }

.main {
  display: flex; flex-direction: column; min-width: 0;
}
.topbar {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-4) var(--space-8);
  display: flex; align-items: center; gap: var(--space-4);
  min-height: 64px;
}
.topbar .page-title { font-size: 18px; font-weight: 600; flex: 1; }
.topbar .page-meta { font-size: 13px; color: var(--color-text-muted); }

.content { padding: var(--space-5) var(--space-5); max-width: none; margin: 0; width: 100%; }

/* -------- Buttons -------- */
.btn {
  display: inline-flex; align-items: center; gap: var(--space-2);
  padding: 8px 14px;
  font-family: inherit; font-size: 14px; font-weight: 500;
  background: var(--color-surface); color: var(--color-text);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius);
  cursor: pointer; transition: all 0.15s var(--ease);
  white-space: nowrap;
}
.btn:hover { background: var(--color-surface-alt); }
.btn.primary {
  background: var(--color-primary); color: white; border-color: var(--color-primary);
}
.btn.primary:hover { background: var(--color-primary-hover); border-color: var(--color-primary-hover); }
.btn.ghost {
  border-color: transparent; background: transparent; color: var(--color-text-sub);
}
.btn.ghost:hover { background: var(--color-surface-alt); color: var(--color-text); }
.btn.danger { color: var(--color-danger); border-color: var(--color-border-strong); }
.btn.danger:hover { background: var(--color-danger-soft); border-color: var(--color-danger); }
.btn.sm { padding: 4px 10px; font-size: 12px; }
.btn svg { width: 16px; height: 16px; }

/* -------- Forms （超高密度モード） -------- */
.input, .select, .textarea {
  width: 100%;
  padding: 4px 8px;
  font-family: inherit; font-size: 12px; color: var(--color-text);
  background: var(--color-surface);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius);
  transition: all 0.15s var(--ease);
}
.input:focus, .select:focus, .textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(13, 148, 136, 0.12);
}
.input:disabled, .select:disabled, .textarea:disabled {
  background: var(--color-surface-alt); color: var(--color-text-muted);
}
.textarea { resize: vertical; min-height: 56px; line-height: 1.5; }
.label {
  display: block; font-size: 11px; font-weight: 500;
  color: var(--color-text-sub); margin-bottom: 2px;
}
.field-row { display: flex; flex-direction: column; gap: 2px; }
/* 必須項目マーク */
.label.required::after {
  content: " *"; color: var(--color-danger); font-weight: 700; margin-left: 2px;
}
/* セクション見出し（必須／任意の階層を可視化） */
.section-heading {
  font-size: 11px; font-weight: 600; color: var(--color-text-sub);
  text-transform: uppercase; letter-spacing: 0.06em;
  padding: 4px 0 6px; border-bottom: 1px solid var(--color-border);
  margin: var(--space-4) 0 var(--space-3);
  display: flex; align-items: center; gap: 8px;
}
.section-heading::before {
  content: ""; flex: 0 0 3px; height: 14px; background: var(--color-primary); border-radius: 2px;
}
.section-heading .opt-tag {
  font-size: 10px; color: var(--color-text-muted); font-weight: 400;
  text-transform: none; letter-spacing: 0;
}
/* ヒント（input下の注釈） */
.field-hint {
  font-size: 10px; color: var(--color-text-muted); margin-top: 2px; line-height: 1.4;
}
.field-grid {
  display: grid; gap: var(--space-3);
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

/* -------- Cards -------- */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xs);
  overflow: hidden;
}
.card .card-header {
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--color-border);
  display: flex; align-items: center; justify-content: space-between; gap: var(--space-2);
}
.card .card-header h3 { font-size: 14px; }
.card .card-header .sub { font-size: 11px; color: var(--color-text-muted); margin-top: 1px; }
.card .card-body { padding: var(--space-3); }

/* -------- Tables -------- */
.table-wrap { overflow-x: auto; border: 1px solid var(--color-border); border-radius: var(--radius-lg); background: var(--color-surface); }
table.data { width: 100%; border-collapse: collapse; font-size: 13px; }
table.data th {
  padding: 10px 14px; text-align: left; font-weight: 500; color: var(--color-text-sub);
  background: var(--color-surface-alt);
  border-bottom: 1px solid var(--color-border);
  white-space: nowrap;
}
table.data td {
  padding: 12px 14px; border-bottom: 1px solid var(--color-border);
  vertical-align: middle;
}
table.data tr:last-child td { border-bottom: none; }
table.data tr:hover td { background: rgba(13, 148, 136, 0.02); }
table.data td.num { text-align: right; font-variant-numeric: tabular-nums; }
table.data td.actions { text-align: right; white-space: nowrap; }

/* -------- Empty State -------- */
.empty {
  padding: var(--space-12) var(--space-6); text-align: center;
  color: var(--color-text-muted);
  background: var(--color-surface); border: 1px dashed var(--color-border-strong);
  border-radius: var(--radius-lg);
}
.empty h4 { font-size: 16px; color: var(--color-text); margin-bottom: var(--space-2); }
.empty p { font-size: 13px; margin: 0; max-width: 400px; margin-left: auto; margin-right: auto; }
.empty .btn { margin-top: var(--space-5); }

/* -------- Badge / Tag -------- */
.badge {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 2px 8px; font-size: 11px; font-weight: 600;
  background: var(--color-surface-alt); color: var(--color-text-sub);
  border-radius: 999px;
}
.badge.primary { background: var(--color-primary-soft); color: var(--color-primary-soft-text); }
.badge.draft { background: #fef3c7; color: #78350f; }
.badge.finalized { background: #d1fae5; color: #065f46; }

/* -------- Stats -------- */
.stats-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-4); margin-bottom: var(--space-6);
}
.stat-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
}
.stat-card .label { font-size: 12px; color: var(--color-text-muted); margin-bottom: 4px; text-transform: uppercase; letter-spacing: 0.04em; }
.stat-card .value { font-size: 24px; font-weight: 700; color: var(--color-text); font-variant-numeric: tabular-nums; letter-spacing: -0.02em; }
.stat-card .delta { font-size: 12px; color: var(--color-text-muted); margin-top: 4px; }

/* -------- Toolbar -------- */
.toolbar {
  display: flex; gap: var(--space-3); align-items: center; flex-wrap: wrap;
  margin-bottom: var(--space-5);
}
.toolbar .spacer { flex: 1; }
.search-box { position: relative; display: inline-block; }
.search-box input {
  width: 280px; padding-left: 36px;
}
.search-box svg {
  position: absolute; left: 10px; top: 50%; transform: translateY(-50%);
  width: 16px; height: 16px; color: var(--color-text-muted);
}

/* -------- Drop zone -------- */
.dropzone {
  border: 2px dashed var(--color-border-strong);
  border-radius: var(--radius-lg);
  padding: var(--space-8) var(--space-5);
  text-align: center;
  background: var(--color-surface-alt);
  transition: all 0.15s var(--ease);
  cursor: pointer;
}
.dropzone:hover { border-color: var(--color-primary); background: var(--color-primary-soft); }
.dropzone.dragover { border-color: var(--color-primary); background: var(--color-primary-soft); }
.dropzone .icon { font-size: 32px; margin-bottom: var(--space-3); display: block; }
.dropzone h4 { margin-bottom: var(--space-2); }
.dropzone p { font-size: 13px; color: var(--color-text-muted); margin: 0; }

/* -------- Sticky Actions Footer -------- */
.sticky-actions {
  position: sticky; bottom: 0;
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  padding: var(--space-3) var(--space-8);
  display: flex; align-items: center; justify-content: space-between;
  box-shadow: 0 -4px 8px rgba(0,0,0,0.04);
  margin-top: auto;
}

/* -------- Toast -------- */
.toast-container {
  position: fixed; top: var(--space-6); right: var(--space-6); z-index: 9999;
  display: flex; flex-direction: column; gap: var(--space-2);
}
.toast {
  background: var(--color-text); color: white;
  padding: 10px 16px; border-radius: var(--radius);
  box-shadow: var(--shadow-lg); font-size: 14px;
  animation: toast-in 0.3s var(--ease);
  min-width: 200px;
}
.toast.success { background: var(--color-success); }
.toast.error { background: var(--color-danger); }
@keyframes toast-in { from { opacity: 0; transform: translateX(20px); } to { opacity: 1; transform: none; } }

/* -------- Modal -------- */
.modal-backdrop {
  position: fixed; inset: 0; background: rgba(0,0,0,0.4);
  display: flex; align-items: center; justify-content: center;
  z-index: 1000;
  animation: backdrop-in 0.15s ease-out;
}
@keyframes backdrop-in { from { opacity: 0; } to { opacity: 1; } }
.modal {
  background: var(--color-surface); border-radius: var(--radius-lg);
  width: 90%; max-width: 560px; max-height: 90vh;
  display: flex; flex-direction: column; box-shadow: var(--shadow-lg);
  animation: modal-in 0.2s var(--ease);
}
@keyframes modal-in { from { transform: translateY(20px); opacity: 0; } to { transform: none; opacity: 1; } }
.modal .modal-header {
  padding: var(--space-5) var(--space-6);
  border-bottom: 1px solid var(--color-border);
  display: flex; align-items: center; justify-content: space-between;
}
.modal .modal-body { padding: var(--space-6); overflow-y: auto; }
.modal .modal-footer {
  padding: var(--space-4) var(--space-6);
  border-top: 1px solid var(--color-border);
  display: flex; gap: var(--space-3); justify-content: flex-end;
}

/* -------- Item Card (in editor) — 超高密度モード -------- */
.item-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  margin-bottom: 6px;
  overflow: visible;
  transition: all 0.15s var(--ease);
}
.item-card:hover { border-color: var(--color-border-strong); box-shadow: var(--shadow-sm); }
.item-card .item-head {
  padding: 6px 12px;
  display: flex; align-items: center; gap: 8px;
  background: var(--color-surface-alt);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 10;
  border-top-left-radius: var(--radius-lg);
  border-top-right-radius: var(--radius-lg);
  box-shadow: 0 2px 4px -2px rgba(0,0,0,0.08);
}
.item-card .item-head .seq {
  width: 32px; height: 32px; border-radius: 50%;
  background: var(--color-primary); color: white;
  display: inline-flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 14px; flex-shrink: 0;
}
.item-card .item-head .title { flex: 1; font-weight: 600; font-size: 13px; }
.item-card .item-head .title-sub { font-size: 11px; color: var(--color-text-muted); font-weight: 400; margin-top: 1px; }
.item-card .item-body { padding: 10px; }

/* -------- Category Pill -------- */
.cat-pill {
  display: inline-block; padding: 2px 8px; border-radius: 4px;
  font-size: 11px; font-weight: 600;
  background: var(--color-primary-soft); color: var(--color-primary-soft-text);
}
.cat-pill.f { background: #dbeafe; color: #1e40af; }  /* フラッシュ */
.cat-pill.k { background: #fce7f3; color: #9d174d; }  /* 框 */
.cat-pill.s { background: #fef3c7; color: #78350f; }  /* 障子 */
.cat-pill.h { background: #f3e8ff; color: #6b21a8; }  /* 襖 */
.cat-pill.e { background: #ccfbf1; color: #134e4a; }  /* その他（什器） */
.cat-pill.t { background: #e5e7eb; color: #374151; }  /* 追加 */

/* -------- Utilities -------- */
.muted { color: var(--color-text-muted); }
.row { display: flex; gap: var(--space-3); align-items: center; }
.mt-4 { margin-top: var(--space-4); }
.mt-6 { margin-top: var(--space-6); }
.mb-4 { margin-bottom: var(--space-4); }
.text-sm { font-size: 13px; }
.text-xs { font-size: 12px; }
.hidden { display: none !important; }

/* -------- Responsive -------- */
@media (max-width: 768px) {
  .app { grid-template-columns: 1fr; }
  .sidebar { position: fixed; z-index: 100; transform: translateX(-100%); width: 240px; transition: transform 0.2s var(--ease); }
  .sidebar.open { transform: none; }
  .content { padding: var(--space-4); }
  .topbar { padding: var(--space-3) var(--space-4); }
  .field-grid { grid-template-columns: 1fr; }
}

/* =========================================================================
   Excel風 パネル積算テーブル — ミニマル無垢調（ウォームグレー基調）
   ========================================================================= */
.ptbl-wrap {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  overflow-x: auto;
  overflow-y: visible;
}
.ptbl-wrap > * { min-width: 1190px; }

.ptbl-header {
  display: grid;
  background: #3f3a36;       /* ダークウォームブラウン */
  color: #f5f4f1;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.02em;
}
.ptbl-header > div {
  padding: 7px 8px;
  border-right: 1px solid rgba(255,255,255,0.08);
  text-align: center;
  white-space: nowrap;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  line-height: 1.2;
  gap: 1px;
}
.ptbl-header > div:last-child { border-right: none; }
.ptbl-header .col-name { align-items: flex-start; }

.ptbl-row {
  display: grid;
  border-bottom: 1px solid var(--color-border);
  background: var(--color-surface);
  transition: background 0.12s ease;
}
.ptbl-row:last-of-type { border-bottom: none; }
.ptbl-row:hover { background: #fdfcfa; }

.ptbl-cell {
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border-right: 1px solid var(--color-border);
  min-height: 38px;
  font-size: 12px;
  font-variant-numeric: tabular-nums;
}
.ptbl-cell:last-child { border-right: none; }
.ptbl-cell.cell-name { justify-content: flex-start; }

/* 入力セル — 罫線なし、フォーカス時のみ控えめにハイライト */
.ptbl-cell .ptbl-input {
  width: 100%;
  height: 100%;
  border: none;
  background: transparent;
  padding: 6px 8px;
  font-size: 12px;
  color: var(--color-text);
  outline: none;
  font-family: inherit;
  font-variant-numeric: tabular-nums;
}
.ptbl-cell .ptbl-input:focus {
  background: #fdf6e3;       /* 編集中：薄い琥珀（オレンジ蛍光は使わない） */
  box-shadow: inset 0 0 0 1.5px var(--color-primary);
  border-radius: 2px;
}
/* 厚み不一致エラー — T セル赤色 */
.ptbl-cell .ptbl-input.is-thickness-error {
  background: #fef2f2;
  color: var(--color-danger);
  font-weight: 700;
  box-shadow: inset 0 0 0 1.5px var(--color-danger);
  border-radius: 2px;
}
.ptbl-cell .ptbl-input.is-thickness-error:focus {
  background: #fee2e2;
}
.ptbl-cell .ptbl-input.num { text-align: right; }
.ptbl-cell select.ptbl-input {
  appearance: none;
  -webkit-appearance: none;
  background-image: linear-gradient(45deg, transparent 50%, var(--color-text-muted) 50%),
                    linear-gradient(135deg, var(--color-text-muted) 50%, transparent 50%);
  background-position: calc(100% - 12px) 50%, calc(100% - 8px) 50%;
  background-size: 4px 4px, 4px 4px;
  background-repeat: no-repeat;
  padding-right: 18px;
  cursor: pointer;
}

/* 連番セル（No） */
.ptbl-cell.cell-no {
  background: #f5f4f1;
  color: var(--color-text-sub);
  font-weight: 600;
  font-size: 11px;
}

/* 計算セル — 極薄ウォームグレー */
.ptbl-cell.cell-calc {
  background: #f9f7f4;
  color: var(--color-text-sub);
  padding: 6px 8px;
  justify-content: flex-end;
}

/* 小計セル — 控えめなティール文字 */
.ptbl-cell.cell-total {
  background: #faf8f3;
  color: var(--color-primary-soft-text);
  font-weight: 700;
  padding: 6px 10px 6px 8px;
  justify-content: flex-end;
}

/* 操作セル — ボタンを視認しやすく色分け */
.ptbl-cell.cell-ops {
  gap: 4px;
  padding: 4px 6px;
  background: #fafaf9;
}
.ptbl-cell.cell-ops button {
  width: 28px;
  height: 28px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  padding: 0;
  font-size: 13px;
  line-height: 1;
  color: var(--color-text-sub);
  cursor: pointer;
  transition: all 0.12s ease;
  font-family: inherit;
  font-weight: 600;
}
.ptbl-cell.cell-ops button svg {
  width: 14px;
  height: 14px;
  display: block;
  transition: transform 0.18s ease;
}
.ptbl-cell.cell-ops button:hover {
  background: var(--color-primary-soft);
  color: var(--color-primary-soft-text);
  border-color: var(--color-primary);
  box-shadow: 0 1px 3px rgba(13, 148, 136, 0.15);
}
/* 詳細展開ボタン */
.ptbl-cell.cell-ops button[data-action="toggle-panel-detail"] {
  color: var(--color-primary);
  border-color: var(--color-primary-soft);
  background: var(--color-primary-soft);
}
.ptbl-cell.cell-ops button[data-action="toggle-panel-detail"]:hover {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}
.ptbl-cell.cell-ops button[data-action="toggle-panel-detail"].is-open {
  background: var(--color-primary);
  color: #fff;
}
/* 削除ボタン — 赤系で目立たせる */
.ptbl-cell.cell-ops button.danger {
  color: var(--color-danger);
  border-color: #fecaca;
  background: var(--color-danger-soft);
  font-size: 16px;
  font-weight: 700;
}
.ptbl-cell.cell-ops button.danger:hover {
  background: var(--color-danger);
  color: #fff;
  border-color: var(--color-danger);
  box-shadow: 0 1px 3px rgba(220, 38, 38, 0.3);
}

/* 詳細展開エリア — 行の下に展開 */
.ptbl-detail {
  display: none;
  padding: 14px 18px;
  background: #fbf9f5;       /* 無垢材っぽい極薄ベージュ */
  border-bottom: 1px solid var(--color-border);
  border-top: 1px dashed var(--color-border);
}
.ptbl-detail.open { display: block; }
.ptbl-detail h6 {
  margin: 0 0 6px 0;
  font-size: 11px;
  font-weight: 700;
  color: var(--color-text-sub);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.ptbl-detail-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}
.ptbl-detail-section + .ptbl-detail-section { margin-top: 12px; }

/* 合計フッター行 */
.ptbl-footer {
  display: grid;
  background: #1c1917;
  color: #f5f4f1;
  font-size: 12px;
  font-weight: 700;
}
.ptbl-footer > div {
  padding: 10px 8px;
  border-right: 1px solid rgba(255,255,255,0.08);
  display: flex; align-items: center; justify-content: flex-end;
  font-variant-numeric: tabular-nums;
}
.ptbl-footer > div:first-child { justify-content: flex-start; padding-left: 12px; }
.ptbl-footer > div:last-child { border-right: none; }

/* 構造バッジ（詳細エリア用） */
.struct-badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 3px;
  font-size: 10px;
  font-weight: 700;
  background: #e7e5e4;
  color: var(--color-text-sub);
  letter-spacing: 0.04em;
}
.struct-badge.is-flush { background: #e7eef3; color: #2c4a5e; }
.struct-badge.is-beta { background: #efece6; color: #5c4f3a; }
.struct-badge.is-muku { background: #efe8d8; color: #6b4e1e; }
.struct-badge.is-tan  { background: #e5e7eb; color: #374151; }