/* レンタカー管理システム — スタイル */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --nav-bg:     #1a3a6b;
  --nav-hover:  #2352a0;
  --blue:       #1d4ed8;
  --blue-light: #3b82f6;
  --blue-pale:  #dbeafe;
  --blue-mid:   #2d6db5;
  --green:      #16a34a;
  --green-bg:   #dcfce7;
  --orange:     #ea580c;
  --orange-bg:  #ffedd5;
  --red:        #dc2626;
  --red-bg:     #fee2e2;
  --grey:       #6b7280;
  --grey-light: #f3f4f6;
  --border:     #e5e7eb;
  --text:       #111827;
  --text-sm:    #6b7280;
  --shadow:     0 1px 3px rgba(0,0,0,.12), 0 1px 2px rgba(0,0,0,.08);
  --shadow-lg:  0 10px 25px rgba(0,0,0,.15);
  --radius:     6px;
  --font: "Noto Sans JP", "Hiragino Kaku Gothic ProN", "メイリオ", Meiryo, sans-serif;
}

body {
  font-family: var(--font);
  font-size: 14px;
  color: var(--text);
  background: #f0f4f8;
  min-height: 100vh;
  line-height: 1.5;
}

/* ── Navigation ─────────────────────────────────────────────── */
#nav {
  background: var(--nav-bg);
  color: #fff;
  display: flex;
  align-items: stretch;
  height: 44px;
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  box-shadow: 0 2px 8px rgba(0,0,0,.3);
}

.nav-brand {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 0 16px;
  background: #122a52;
  font-weight: 900;
  font-size: 20px;
  letter-spacing: 2px;
  min-width: 80px;
  cursor: pointer;
  user-select: none;
  line-height: 1;
}
.nav-brand small { font-size: 9px; font-weight: 400; opacity: .75; letter-spacing: .5px; }

.nav-menu { display: flex; align-items: stretch; flex: 1; }

.nav-item {
  position: relative;
  display: flex;
  align-items: center;
  padding: 0 16px;
  cursor: pointer;
  font-size: 13px;
  font-weight: 500;
  white-space: nowrap;
  transition: background .15s;
  user-select: none;
}
.nav-item:hover, .nav-item.open { background: var(--nav-hover); }
.nav-item .caret { margin-left: 4px; font-size: 10px; }

.nav-dropdown {
  display: none;
  position: absolute;
  top: 100%; left: 0;
  background: #fff;
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 0 0 var(--radius) var(--radius);
  box-shadow: var(--shadow-lg);
  min-width: 180px;
  z-index: 1100;
}
.nav-item.open .nav-dropdown { display: block; }
.nav-dropdown a {
  display: block;
  padding: 10px 16px;
  text-decoration: none;
  color: var(--text);
  font-size: 13px;
  transition: background .1s;
}
.nav-dropdown a:hover { background: var(--blue-pale); color: var(--blue); }

.nav-right {
  display: flex;
  align-items: center;
  padding: 0 16px;
  font-size: 12px;
  gap: 16px;
  color: rgba(255,255,255,.85);
  margin-left: auto;
}
.nav-right a { color: rgba(255,255,255,.85); text-decoration: none; }
.nav-right a:hover { text-decoration: underline; }

/* ── Layout ──────────────────────────────────────────────────── */
#app {
  padding-top: 44px;
  min-height: 100vh;
}
.page {
  display: none;
  padding: 24px 28px;
  max-width: 1400px;
  margin: 0 auto;
}
.page.active { display: block; }

/* ── Page Header ─────────────────────────────────────────────── */
.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}
.page-title { font-size: 20px; font-weight: 700; color: var(--blue); }

/* ── Date Nav ────────────────────────────────────────────────── */
.date-nav {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}
.date-nav .date-display {
  font-size: 20px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 6px;
}
.date-nav .date-display span { font-size: 14px; color: var(--text-sm); }
.date-nav-links { display: flex; gap: 8px; }
.date-nav-links a {
  color: var(--blue);
  text-decoration: none;
  font-size: 12px;
  cursor: pointer;
}
.date-nav-links a:hover { text-decoration: underline; }

/* ── Cards (Dashboard) ───────────────────────────────────────── */
.stat-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
  margin-bottom: 20px;
}
.stat-card {
  padding: 20px 24px;
  text-align: center;
  color: #fff;
  border-radius: var(--radius) 0 0 var(--radius);
}
.stat-card:nth-child(1) { background: #2563eb; border-radius: var(--radius) 0 0 var(--radius); }
.stat-card:nth-child(2) { background: #3b82f6; border-radius: 0; }
.stat-card:nth-child(3) { background: #93c5fd; color: #1e3a8a; border-radius: 0 var(--radius) var(--radius) 0; }
.stat-card .label { font-size: 14px; margin-bottom: 4px; }
.stat-card .value { font-size: 36px; font-weight: 700; }
.stat-card .unit  { font-size: 16px; }

/* ── Chart Area ──────────────────────────────────────────────── */
.chart-area {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px;
  margin-bottom: 16px;
}

/* ── Table ───────────────────────────────────────────────────── */
.card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  margin-bottom: 16px;
  overflow: hidden;
}
.card-header {
  padding: 10px 16px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  background: #f9fafb;
}
.card-title { font-weight: 600; font-size: 15px; }

.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th {
  background: #2d5fa0;
  color: #fff;
  padding: 8px 12px;
  text-align: left;
  font-weight: 500;
  white-space: nowrap;
}
th.sortable { cursor: pointer; user-select: none; }
th.sortable:hover { background: #1d4ed8; }
td {
  padding: 8px 12px;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}
tr:hover td { background: #f0f7ff; }
tr:last-child td { border-bottom: none; }
td a { color: var(--blue); text-decoration: none; cursor: pointer; }
td a:hover { text-decoration: underline; }

/* ── Status Badges ───────────────────────────────────────────── */
.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 99px;
  font-size: 11px;
  font-weight: 600;
  white-space: nowrap;
}
.badge-confirmed   { background: #dbeafe; color: #1d4ed8; }
.badge-tentative   { background: #fef9c3; color: #854d0e; }
.badge-renting     { background: #dcfce7; color: #15803d; }
.badge-returned    { background: #f3f4f6; color: #374151; }
.badge-cancelled   { background: #fee2e2; color: #b91c1c; }
.badge-active      { background: var(--green-bg); color: var(--green); }
.badge-inactive    { background: #f3f4f6; color: var(--grey); }
.badge-member      { background: #ede9fe; color: #6d28d9; }
.badge-non-member  { background: #f3f4f6; color: var(--grey); }

/* ── Buttons ─────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 6px 14px;
  border: none;
  border-radius: var(--radius);
  font-size: 13px;
  font-family: var(--font);
  cursor: pointer;
  font-weight: 500;
  transition: opacity .15s, background .15s;
  white-space: nowrap;
}
.btn:hover { opacity: .88; }
.btn:active { opacity: .75; }
.btn-primary  { background: var(--blue); color: #fff; }
.btn-success  { background: var(--green); color: #fff; }
.btn-orange   { background: var(--orange); color: #fff; }
.btn-danger   { background: var(--red); color: #fff; }
.btn-ghost    { background: transparent; color: var(--blue); border: 1px solid var(--blue); }
.btn-sm       { padding: 3px 10px; font-size: 12px; }
.btn-icon     { padding: 5px 8px; }

/* ── Search Bar ──────────────────────────────────────────────── */
.search-bar {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px;
  margin-bottom: 16px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: flex-end;
}
.form-group { display: flex; flex-direction: column; gap: 4px; min-width: 120px; }
.form-group label { font-size: 11px; color: var(--text-sm); font-weight: 500; }
.form-group input,
.form-group select,
.form-group textarea {
  border: 1px solid #cbd5e1;
  border-radius: var(--radius);
  padding: 6px 10px;
  font-size: 13px;
  font-family: var(--font);
  background: #fff;
  color: var(--text);
  transition: border-color .15s;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--blue-light);
  box-shadow: 0 0 0 3px rgba(59,130,246,.15);
}
.form-group textarea { resize: vertical; min-height: 60px; }

/* ── Pagination ──────────────────────────────────────────────── */
.pagination {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 12px 16px;
  border-top: 1px solid var(--border);
}
.page-btn {
  padding: 4px 10px;
  border: 1px solid var(--border);
  background: #fff;
  border-radius: 4px;
  cursor: pointer;
  font-size: 13px;
  color: var(--blue);
  font-family: var(--font);
}
.page-btn:hover { background: var(--blue-pale); }
.page-btn.active { background: var(--blue); color: #fff; border-color: var(--blue); }
.page-info { color: var(--text-sm); font-size: 12px; margin-left: auto; }

/* ── Modal ───────────────────────────────────────────────────── */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.45);
  z-index: 2000;
  align-items: center;
  justify-content: center;
}
.modal-overlay.open { display: flex; }
.modal {
  background: #fff;
  border-radius: 8px;
  box-shadow: var(--shadow-lg);
  width: 560px;
  max-width: 96vw;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.modal.modal-lg { width: 760px; }
.modal-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--blue);
  color: #fff;
}
.modal-header h3 { font-size: 16px; font-weight: 600; }
.modal-close {
  background: none; border: none; color: #fff;
  font-size: 20px; cursor: pointer; line-height: 1;
  padding: 0 4px;
}
.modal-body {
  padding: 20px;
  overflow-y: auto;
  flex: 1;
}
.modal-footer {
  padding: 14px 20px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  background: #f9fafb;
}
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form-grid .full { grid-column: 1 / -1; }

/* ── Toast ───────────────────────────────────────────────────── */
#toast-container {
  position: fixed;
  bottom: 24px; right: 24px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.toast {
  padding: 12px 18px;
  border-radius: var(--radius);
  color: #fff;
  font-size: 13px;
  box-shadow: var(--shadow-lg);
  animation: slideIn .2s ease;
  max-width: 320px;
}
.toast-success { background: var(--green); }
.toast-error   { background: var(--red); }
@keyframes slideIn { from { transform: translateX(100%); opacity: 0; } to { transform: none; opacity: 1; } }

/* ── Gantt / Schedule ────────────────────────────────────────── */
.gantt-wrap {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: #fff;
}
.gantt-table {
  border-collapse: collapse;
  min-width: 1200px;
  font-size: 12px;
}
.gantt-table th, .gantt-table td {
  border: 1px solid #e2e8f0;
  padding: 0;
  height: 36px;
}
.gantt-header-hour {
  background: #2d5fa0;
  color: #fff;
  text-align: center;
  font-size: 11px;
  padding: 4px;
  width: 48px;
  min-width: 48px;
}
.gantt-vehicle-name {
  background: #f8fafc;
  padding: 4px 8px;
  min-width: 130px;
  font-size: 12px;
  font-weight: 500;
  white-space: nowrap;
}
.gantt-vehicle-plate {
  color: var(--blue);
  font-size: 11px;
  padding: 2px 8px;
  background: #f8fafc;
  min-width: 110px;
  white-space: nowrap;
}
.gantt-cell {
  position: relative;
  background: #fff;
  width: 48px;
  min-width: 48px;
}
.gantt-block {
  position: absolute;
  top: 3px; bottom: 3px;
  background: #fb923c;
  border-radius: 3px;
  display: flex;
  align-items: center;
  padding: 0 6px;
  font-size: 11px;
  color: #fff;
  overflow: hidden;
  white-space: nowrap;
  cursor: pointer;
  z-index: 10;
}
.gantt-block:hover { opacity: .85; }
.gantt-now-line {
  position: absolute;
  top: 0; bottom: 0;
  width: 2px;
  background: #ef4444;
  opacity: .7;
  z-index: 20;
  pointer-events: none;
}

/* ── Sales Chart ─────────────────────────────────────────────── */
.sales-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12px;
  margin-top: 16px;
}
.sales-table th { background: #2d5fa0; color: #fff; padding: 6px 10px; text-align: center; }
.sales-table td { padding: 6px 10px; text-align: right; border-bottom: 1px solid var(--border); }
.sales-table .row-label { text-align: left; font-weight: 600; }
.sales-table tr:nth-child(2) td { color: var(--green); }
.sales-table tr:nth-child(3) td { color: var(--grey); }

/* ── Notice ──────────────────────────────────────────────────── */
.notice-box {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px;
}
.notice-box h4 { font-size: 13px; font-weight: 600; margin-bottom: 8px; color: var(--blue); }
.notice-item { padding: 6px 0; border-bottom: 1px solid var(--border); font-size: 12px; }
.notice-item:last-child { border-bottom: none; }
.notice-date { color: var(--text-sm); font-size: 11px; }

/* ── Responsive ──────────────────────────────────────────────── */
@media (max-width: 768px) {
  .stat-cards { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .page { padding: 12px; }
  .nav-right { display: none; }
}

/* ── Misc ─────────────────────────────────────────────────────── */
.text-right  { text-align: right; }
.text-center { text-align: center; }
.text-muted  { color: var(--text-sm); }
.text-red    { color: var(--red); }
.text-blue   { color: var(--blue); }
.text-green  { color: var(--green); }
.mt-4        { margin-top: 4px; }
.mt-8        { margin-top: 8px; }
.mt-16       { margin-top: 16px; }
.empty-msg   { text-align: center; padding: 40px; color: var(--text-sm); }

.loading {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px;
  color: var(--text-sm);
  gap: 8px;
}
.spinner {
  width: 20px; height: 20px;
  border: 2px solid var(--border);
  border-top-color: var(--blue);
  border-radius: 50%;
  animation: spin .7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.inline-flex { display: inline-flex; align-items: center; gap: 6px; }
.nowrap { white-space: nowrap; }

/* count badge next to title */
.count-badge {
  display: inline-block;
  background: var(--grey-light);
  color: var(--grey);
  border-radius: 99px;
  padding: 1px 8px;
  font-size: 12px;
  font-weight: 600;
  margin-left: 8px;
}

/* ── Search Select ───────────────────────────────────────────── */
.search-select { position: relative; }
.search-select input {
  width: 100%;
  border: 1px solid #cbd5e1;
  border-radius: var(--radius);
  padding: 6px 10px;
  font-size: 13px;
  font-family: var(--font);
  background: #fff;
}
.search-select input:focus {
  outline: none;
  border-color: var(--blue-light);
  box-shadow: 0 0 0 3px rgba(59,130,246,.15);
}
.search-select-dropdown {
  display: none;
  position: absolute;
  top: 100%; left: 0; right: 0;
  background: #fff;
  border: 1px solid var(--border);
  border-top: none;
  border-radius: 0 0 var(--radius) var(--radius);
  box-shadow: 0 8px 24px rgba(0,0,0,.15);
  z-index: 3000;
  max-height: 200px;
  overflow-y: auto;
}
.search-select-dropdown.open { display: block; }
.search-select-option {
  padding: 8px 12px;
  cursor: pointer;
  font-size: 13px;
  border-bottom: 1px solid var(--border);
}
.search-select-option:last-child { border-bottom: none; }
.search-select-option:hover { background: var(--blue-pale); }
.search-select-option .opt-main { font-weight: 500; }
.search-select-option .opt-sub  { font-size: 11px; color: var(--text-sm); margin-top: 1px; }
.search-select-selected {
  margin-top: 4px;
  padding: 4px 8px;
  background: var(--blue-pale);
  border-radius: 4px;
  font-size: 12px;
  color: var(--blue);
  display: none;
  align-items: center;
  justify-content: space-between;
}
.search-select-selected.show { display: flex; }
.search-select-selected .clear { cursor: pointer; color: var(--grey); font-size: 14px; margin-left: 8px; }

/* ── Search Select ───────────────────────────────────────────── */
.search-select { position: relative; }
.search-select input {
  width: 100%;
  border: 1px solid #cbd5e1;
  border-radius: var(--radius);
  padding: 6px 10px;
  font-size: 13px;
  font-family: var(--font);
  background: #fff;
}
.search-select input:focus {
  outline: none;
  border-color: var(--blue-light);
  box-shadow: 0 0 0 3px rgba(59,130,246,.15);
}
.search-select-dropdown {
  display: none;
  position: absolute;
  top: 100%; left: 0; right: 0;
  background: #fff;
  border: 1px solid var(--border);
  border-top: none;
  border-radius: 0 0 var(--radius) var(--radius);
  box-shadow: 0 8px 24px rgba(0,0,0,.15);
  z-index: 3000;
  max-height: 200px;
  overflow-y: auto;
}
.search-select-dropdown.open { display: block; }
.search-select-option {
  padding: 8px 12px;
  cursor: pointer;
  font-size: 13px;
  border-bottom: 1px solid var(--border);
}
.search-select-option:last-child { border-bottom: none; }
.search-select-option:hover { background: var(--blue-pale); }
.search-select-option .opt-main { font-weight: 500; }
.search-select-option .opt-sub  { font-size: 11px; color: var(--text-sm); margin-top: 1px; }
.search-select-selected {
  margin-top: 4px;
  padding: 4px 8px;
  background: var(--blue-pale);
  border-radius: 4px;
  font-size: 12px;
  color: var(--blue);
  display: none;
  align-items: center;
  justify-content: space-between;
}
.search-select-selected.show { display: flex; }
.search-select-selected .clear { cursor: pointer; color: var(--grey); font-size: 14px; margin-left: 8px; }