/* ==========================================================
   見積・請求管理 — 画面用スタイル
   基調色: 深緑（テール系）× ウォームグレー
   ========================================================== */

:root {
  --primary: #0e7a65;
  --primary-dark: #0a5d4d;
  --primary-soft: #e3f1ed;
  --sidebar-bg: #14231f;
  --sidebar-text: #b8c7c1;
  --bg: #f3f5f4;
  --card: #ffffff;
  --border: #e2e8e5;
  --text: #22302c;
  --muted: #68776f;
  --danger: #b42318;
  --danger-soft: #fdecea;
  --radius: 10px;
  --shadow: 0 1px 2px rgba(20, 35, 31, 0.05), 0 2px 8px rgba(20, 35, 31, 0.05);
  --font: "Segoe UI", "Hiragino Kaku Gothic ProN", "Hiragino Sans", "Yu Gothic UI", "Noto Sans JP", Meiryo, sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: var(--font);
  font-size: 14px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
}

a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ---------- レイアウト ---------- */

.app { display: flex; min-height: 100vh; }

.sidebar {
  width: 220px;
  flex-shrink: 0;
  background: var(--sidebar-bg);
  color: var(--sidebar-text);
  display: flex;
  flex-direction: column;
  position: sticky;
  top: 0;
  height: 100vh;
}

.main {
  flex: 1;
  min-width: 0;
  padding: 28px 36px 48px;
  max-width: 1200px;
}

/* ---------- サイドバー ---------- */

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 20px 18px;
  color: #fff;
}
.brand:hover { text-decoration: none; }

.brand-mark {
  width: 34px;
  height: 34px;
  flex-shrink: 0;
  border-radius: 8px;
  background: var(--primary);
  color: #fff;
  font-weight: 700;
  font-size: 18px;
  display: grid;
  place-items: center;
}

.brand-text {
  font-weight: 700;
  font-size: 14.5px;
  line-height: 1.25;
}
.brand-text small {
  display: block;
  font-weight: 400;
  font-size: 10.5px;
  letter-spacing: 0.08em;
  color: var(--sidebar-text);
}

.nav { display: flex; flex-direction: column; gap: 2px; padding: 8px 10px; }

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 12px;
  border-radius: 8px;
  color: var(--sidebar-text);
  font-size: 13.5px;
}
.nav-item svg { width: 18px; height: 18px; flex-shrink: 0; }
.nav-item:hover { background: rgba(255, 255, 255, 0.07); color: #fff; text-decoration: none; }
.nav-item.active { background: var(--primary); color: #fff; }

.sidebar-foot {
  margin-top: auto;
  padding: 16px 18px;
  font-size: 10.5px;
  letter-spacing: 0.05em;
  color: #5d6f68;
  line-height: 1.7;
}

/* ---------- ページヘッダ ---------- */

.page-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 20px;
}

.page-head h1 {
  margin: 0;
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 0.01em;
  display: flex;
  align-items: center;
  gap: 10px;
}

.page-sub { margin: 2px 0 0; color: var(--muted); font-size: 12.5px; }
.doc-no { margin: 0 0 2px; color: var(--muted); font-size: 12.5px; }

.page-actions { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.page-actions form { margin: 0; }

/* ---------- カード ---------- */

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 20px 22px;
  margin-bottom: 20px;
}

.card-title {
  margin: 0 0 14px;
  font-size: 14.5px;
  font-weight: 700;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
}
.card-more { font-size: 12px; font-weight: 400; }

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.grid-2 .card { margin-bottom: 20px; }

/* ---------- KPI ---------- */

.kpis {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 20px;
}

.kpi {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 16px 18px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.kpi-label { font-size: 12px; color: var(--muted); }
.kpi-value {
  font-size: 25px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.01em;
}
.kpi-foot { font-size: 11.5px; color: var(--muted); }
.kpi-foot a { color: var(--muted); }
.kpi-foot a:hover { color: var(--primary); }

.kpi-danger { border-color: #f2c1bc; }
.kpi-danger .kpi-value { color: var(--danger); }

/* ---------- グラフ ---------- */

.chart { width: 100%; height: auto; display: block; }
.chart-base { stroke: var(--border); stroke-width: 1; }
.bar { fill: var(--primary); opacity: 0.75; }
.bar:hover { opacity: 1; }
.bar-current { opacity: 1; }
.bar-zero { fill: var(--border); opacity: 1; }
.bar-value {
  font-size: 12px;
  font-weight: 600;
  fill: var(--text);
  text-anchor: middle;
  font-variant-numeric: tabular-nums;
}
.bar-label { font-size: 12px; fill: var(--muted); text-anchor: middle; }

/* ---------- テーブル ---------- */

.data { width: 100%; border-collapse: collapse; }

.data th {
  text-align: left;
  font-size: 11.5px;
  font-weight: 600;
  color: var(--muted);
  padding: 8px 10px;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

.data td {
  padding: 10px;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}

.data tbody tr:last-child td { border-bottom: none; }
.data tbody tr[data-href] { cursor: pointer; }
.data tbody tr[data-href]:hover { background: #f7faf9; }

.data td small { display: block; color: var(--muted); font-size: 11.5px; }
.data .num, .data th.num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
.data .mono { font-variant-numeric: tabular-nums; white-space: nowrap; }
.data .cell-badge { text-align: right; white-space: nowrap; width: 1%; }
.data .cell-addr { color: var(--muted); font-size: 12.5px; }

.data.mini td { padding: 9px 8px; }

.text-danger { color: var(--danger); }

/* ---------- バッジ ---------- */

.badge {
  display: inline-block;
  padding: 2.5px 10px;
  border-radius: 999px;
  font-size: 11.5px;
  font-weight: 600;
  white-space: nowrap;
}

.st-draft    { background: #eef1f0; color: #5f6f6a; }
.st-sent     { background: #e3eefa; color: #17568f; }
.st-accepted { background: #e2f4e8; color: #1b7a3d; }
.st-paid     { background: #e2f4e8; color: #1b7a3d; }
.st-declined { background: #ececec; color: #6b6b6b; }
.st-overdue  { background: var(--danger-soft); color: var(--danger); }

/* ---------- ボタン ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: 8px;
  border: 1px solid transparent;
  font-family: var(--font);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.12s, border-color 0.12s;
}
.btn:hover { text-decoration: none; }

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

.btn.ghost { background: #fff; color: var(--text); border-color: #cfd8d4; }
.btn.ghost:hover { border-color: var(--primary); color: var(--primary); }

.btn.success { background: #1b7a3d; color: #fff; }
.btn.success:hover { background: #14602f; }

.btn.danger-ghost { background: #fff; color: var(--danger); border-color: #e5c5c1; }
.btn.danger-ghost:hover { background: var(--danger-soft); border-color: var(--danger); }

.btn-sm { padding: 6px 12px; font-size: 12.5px; }

/* ---------- リストツール（絞り込み・検索） ---------- */

.list-tools {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 14px;
}

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

.chip {
  padding: 5px 13px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: #fff;
  color: var(--muted);
  font-size: 12.5px;
  font-weight: 600;
}
.chip:hover { border-color: var(--primary); color: var(--primary); text-decoration: none; }
.chip.active { background: var(--primary); border-color: var(--primary); color: #fff; }

.search input[type="search"] {
  width: 240px;
  padding: 7px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-family: var(--font);
  font-size: 13px;
}
.search input[type="search"]:focus { outline: 2px solid var(--primary-soft); border-color: var(--primary); }

/* ---------- フォーム ---------- */

.form-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px 18px;
}

.field { display: flex; flex-direction: column; gap: 5px; }
.field.span2 { grid-column: span 2; }

.field > span { font-size: 12px; font-weight: 600; color: var(--muted); }
.field > span em { color: var(--danger); font-style: normal; }
.field > small { font-size: 11px; color: var(--muted); }

.field input, .field select, .field textarea,
.items-editor input, .items-editor select {
  padding: 8px 10px;
  border: 1px solid #cfd8d4;
  border-radius: 8px;
  font-family: var(--font);
  font-size: 13.5px;
  color: var(--text);
  background: #fff;
  width: 100%;
}

.field input:focus, .field select:focus, .field textarea:focus,
.items-editor input:focus, .items-editor select:focus {
  outline: 2px solid var(--primary-soft);
  border-color: var(--primary);
}

.field textarea { resize: vertical; }

.form-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-bottom: 20px;
}

.error-list { margin: 0; padding-left: 18px; }

/* ---------- 明細エディタ ---------- */

.items-editor { width: 100%; border-collapse: collapse; margin-bottom: 12px; }

.items-editor th {
  text-align: left;
  font-size: 11.5px;
  font-weight: 600;
  color: var(--muted);
  padding: 6px 6px;
  border-bottom: 1px solid var(--border);
}

.items-editor td { padding: 5px 6px; vertical-align: middle; }

.items-editor .w-qty { width: 80px; }
.items-editor .w-unit { width: 90px; }
.items-editor .w-price { width: 120px; }
.items-editor .w-rate { width: 110px; }
.items-editor .w-amount { width: 120px; }
.items-editor .w-del { width: 36px; }

.items-editor .num-input { text-align: right; font-variant-numeric: tabular-nums; }
.items-editor .amount { text-align: right; font-variant-numeric: tabular-nums; font-weight: 600; white-space: nowrap; }
.items-editor th.num { text-align: right; }

.row-del {
  width: 26px;
  height: 26px;
  border: none;
  border-radius: 6px;
  background: transparent;
  color: var(--muted);
  font-size: 15px;
  line-height: 1;
  cursor: pointer;
}
.row-del:hover { background: var(--danger-soft); color: var(--danger); }

.items-editor tfoot td {
  padding: 7px 6px;
  border-top: 1px solid var(--border);
  font-variant-numeric: tabular-nums;
}
.items-editor tfoot .t-label { text-align: right; font-size: 12.5px; color: var(--muted); }
.items-editor tfoot .num { text-align: right; font-weight: 600; }
.items-editor tfoot .grand td { font-size: 15px; font-weight: 700; border-top: 2px solid var(--text); }
.items-editor tfoot .grand .t-label { color: var(--text); font-size: 13px; }

/* ---------- 詳細ページ ---------- */

.info-list { display: grid; grid-template-columns: 130px 1fr; gap: 8px 12px; margin: 0; }
.info-list dt { font-size: 12px; font-weight: 600; color: var(--muted); padding-top: 2px; }
.info-list dd { margin: 0; }

.total-card { display: flex; flex-direction: column; justify-content: center; }
.total-card-label { font-size: 12.5px; color: var(--muted); }
.total-card-value {
  font-size: 34px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  color: var(--primary-dark);
  line-height: 1.3;
  margin-bottom: 8px;
}
.total-card-detail {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 3px 16px;
  margin: 0;
  border-top: 1px solid var(--border);
  padding-top: 10px;
  font-size: 12.5px;
}
.total-card-detail dt { color: var(--muted); }
.total-card-detail dd { margin: 0; text-align: right; font-variant-numeric: tabular-nums; }

/* ---------- その他 ---------- */

.flash {
  padding: 11px 16px;
  border-radius: 8px;
  margin-bottom: 18px;
  font-size: 13.5px;
  font-weight: 600;
}
.flash-success { background: #e2f4e8; color: #14602f; border: 1px solid #bde3ca; }
.flash-error { background: var(--danger-soft); color: var(--danger); border: 1px solid #f2c1bc; }

.empty { text-align: center; padding: 44px 20px; color: var(--muted); }
.empty p { margin: 0 0 16px; }

.danger-zone {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 4px;
}
.danger-zone small { color: var(--muted); }

/* ---------- レスポンシブ（簡易） ---------- */

@media (max-width: 960px) {
  .app { flex-direction: column; }
  .sidebar { width: 100%; height: auto; position: static; flex-direction: row; align-items: center; flex-wrap: wrap; }
  .nav { flex-direction: row; flex-wrap: wrap; }
  .sidebar-foot { display: none; }
  .main { padding: 20px 16px 40px; }
  .kpis { grid-template-columns: repeat(2, 1fr); }
  .grid-2 { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .field.span2 { grid-column: span 1; }
}