/* =============================================
   勤怠・有給管理システム - スタイルシート
   レスポンシブ対応（PC / タブレット / スマートフォン）
   ============================================= */

/* ─── リセット・ベース ─── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --color-primary:    #1565C0;
  --color-primary-d:  #0D47A1;
  --color-accent:     #1976D2;
  --color-success:    #2E7D32;
  --color-warning:    #F57F17;
  --color-danger:     #C62828;
  --color-muted:      #757575;
  --color-border:     #E0E0E0;
  --color-bg:         #F5F7FA;
  --color-bg-card:    #FFFFFF;
  --color-header-bg:  #1565C0;
  --color-header-fg:  #FFFFFF;
  --color-warn-row:   #FFF176;
  --color-danger-row: #FFCDD2;
  --shadow-card:      0 1px 4px rgba(0,0,0,0.10);
  --radius:           8px;
  --font:             'Hiragino Sans', 'Meiryo', 'Yu Gothic', sans-serif;
}

html { font-size: 16px; }
body {
  font-family: var(--font);
  font-size:   15px;
  line-height: 1.6;
  color:       #212121;
  background:  var(--color-bg);
  min-height:  100vh;
}

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

/* ─── ヘッダー ─── */
.app-header {
  display:          flex;
  align-items:      center;
  gap:              16px;
  background:       var(--color-header-bg);
  color:            var(--color-header-fg);
  padding:          0 20px;
  height:           56px;
  position:         sticky;
  top:              0;
  z-index:          100;
  box-shadow:       0 2px 6px rgba(0,0,0,0.2);
}

.header-left  { flex: 0 0 auto; }
.header-nav   { flex: 1; display: flex; gap: 4px; }
.header-right { flex: 0 0 auto; display: flex; align-items: center; gap: 12px; }

.app-title {
  font-size:   17px;
  font-weight: 700;
  white-space: nowrap;
}
.app-version {
  font-size:   11px;
  font-weight: 400;
  opacity:     0.65;
  letter-spacing: 0.5px;
  vertical-align: middle;
}

.nav-link {
  color:        rgba(255,255,255,0.85);
  padding:      6px 12px;
  border-radius: var(--radius);
  font-size:    14px;
  transition:   background 0.15s;
  white-space:  nowrap;
}
.nav-link:hover, .nav-link.active {
  background: rgba(255,255,255,0.20);
  color:      #fff;
  text-decoration: none;
}

.user-name {
  font-size:  14px;
  color:      rgba(255,255,255,0.85);
  max-width:  160px;
  overflow:   hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ─── メインコンテンツ ─── */
.main-content {
  max-width: 1100px;
  margin:    0 auto;
  padding:   24px 20px 48px;
}

.page-header {
  display:         flex;
  align-items:     center;
  justify-content: space-between;
  margin-bottom:   20px;
  gap:             12px;
}
.page-title { font-size: 22px; font-weight: 700; color: #1A237E; }
.page-meta  { display: flex; align-items: center; gap: 10px; }

/* ─── カード ─── */
.card {
  background:    var(--color-bg-card);
  border-radius: var(--radius);
  box-shadow:    var(--shadow-card);
  padding:       20px 24px;
  margin-bottom: 20px;
}
.card-title { font-size: 17px; font-weight: 600; margin-bottom: 16px; color: #1A237E; }
.card-header {
  display:         flex;
  align-items:     center;
  justify-content: space-between;
  margin-bottom:   16px;
}
.card-header .card-title { margin-bottom: 0; }

/* ─── ボタン ─── */
.btn {
  display:       inline-flex;
  align-items:   center;
  gap:           4px;
  padding:       9px 18px;
  border:        none;
  border-radius: 6px;
  font-size:     14px;
  font-weight:   600;
  cursor:        pointer;
  transition:    background 0.15s, box-shadow 0.15s;
  white-space:   nowrap;
  font-family:   var(--font);
}
.btn:active { transform: translateY(1px); }

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

.btn-outline {
  background: transparent;
  color:      var(--color-primary);
  border:     1.5px solid var(--color-primary);
}
.btn-outline:hover { background: #E3F2FD; }

.btn-danger { background: var(--color-danger); color: #fff; }
.btn-danger:hover { background: #B71C1C; }

.btn-warning { background: #E65100; color: #fff; }
.btn-warning:hover { background: #BF360C; }

.btn-sm { padding: 5px 12px; font-size: 13px; }

/* ─── フォーム ─── */
.form-grid {
  display:               grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap:                   16px 20px;
  align-items:           start;
}
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group-full { grid-column: 1 / -1; }
.form-actions { display: flex; gap: 12px; align-items: center; }

.form-label {
  font-size:   14px;
  font-weight: 600;
  color:       #424242;
}
.form-label.required::after {
  content:    ' *';
  color:      var(--color-danger);
}

.form-control {
  padding:       8px 12px;
  border:        1.5px solid var(--color-border);
  border-radius: 6px;
  font-size:     15px;
  font-family:   var(--font);
  transition:    border-color 0.15s;
  background:    #fff;
  width:         100%;
}
.form-control:focus {
  outline:      none;
  border-color: var(--color-accent);
  box-shadow:   0 0 0 3px rgba(25,118,210,0.12);
}
.form-control::placeholder { color: #BDBDBD; }

/* ─── テーブル ─── */
.table-wrapper { overflow-x: auto; -webkit-overflow-scrolling: touch; }

.table {
  width:           100%;
  border-collapse: collapse;
  font-size:       14px;
  min-width:       480px;
}
.table th.sortable {
  cursor: pointer;
  user-select: none;
}
.table th.sortable:hover { background: #E8EAF6; }
.table th.sort-active    { background: #E3F2FD; color: #1565C0; }
.sort-icon               { font-size: 11px; opacity: 0.7; }
.table th {
  background:    #F5F5F5;
  padding:       10px 14px;
  text-align:    left;
  font-weight:   700;
  color:         #424242;
  border-bottom: 2px solid var(--color-border);
  white-space:   nowrap;
}
.table td {
  padding:       10px 14px;
  border-bottom: 1px solid var(--color-border);
  vertical-align: middle;
}
.table tbody tr:hover { background: #FAFAFA; }
.table tfoot td {
  background:   #F5F5F5;
  border-top:   2px solid var(--color-border);
  border-bottom: none;
}

/* 行の色分け */
.row-warning  { background: var(--color-warn-row)  !important; }
.row-danger   { background: var(--color-danger-row) !important; }
.row-inactive { color: var(--color-muted); }
.row-expired  { color: var(--color-muted); text-decoration: line-through; }
.group-header { background: #F3F4F6; }

.text-right  { text-align: right; }
.text-center { text-align: center; }
.text-muted  { color: var(--color-muted); }
.pl-indent   { padding-left: 28px !important; }
.action-cell { white-space: nowrap; }

/* ─── バッジ ─── */
.badge {
  display:       inline-block;
  padding:       2px 8px;
  border-radius: 12px;
  font-size:     12px;
  font-weight:   700;
  white-space:   nowrap;
}
.badge-info    { background: #E3F2FD; color: #1565C0; }
.badge-success { background: #E8F5E9; color: #2E7D32; }
.badge-warning { background: #FFF8E1; color: #E65100; border: 1px solid #FFE082; }
.badge-danger  { background: #FFEBEE; color: #C62828; border: 1px solid #FFCDD2; }
.badge-muted   { background: #F5F5F5; color: #757575; }

/* ─── タブ ─── */
.tab-bar {
  display:       flex;
  gap:           4px;
  margin-bottom: 16px;
  border-bottom: 2px solid var(--color-border);
  flex-wrap:     wrap;
}
.tab-btn {
  padding:       10px 20px;
  background:    transparent;
  border:        none;
  border-bottom: 3px solid transparent;
  margin-bottom: -2px;
  font-size:     14px;
  font-weight:   600;
  color:         var(--color-muted);
  cursor:        pointer;
  transition:    color 0.15s, border-color 0.15s;
  font-family:   var(--font);
}
.tab-btn:hover  { color: var(--color-accent); }
.tab-btn.active { color: var(--color-primary); border-bottom-color: var(--color-primary); }
.tab-content    { display: none; }
.tab-content.active { display: block; }

/* ─── フィルター行 ─── */
.filter-row {
  display:     flex;
  gap:         16px;
  flex-wrap:   wrap;
  align-items: flex-end;
  margin-bottom: 16px;
}
.filter-row .form-group { min-width: 160px; }
.filter-actions { display: flex; gap: 10px; align-items: flex-end; padding-bottom: 2px; }

/* ─── 凡例 ─── */
.legend {
  display:    flex;
  gap:        20px;
  flex-wrap:  wrap;
  margin-top: 12px;
  font-size:  13px;
  color:      #616161;
}
.legend-item   { display: flex; align-items: center; gap: 6px; }
.legend-yellow { color: #795548; }
.legend-red    { color: var(--color-danger); }

/* ─── 情報ボックス ─── */
.info-box {
  background:    #E3F2FD;
  border:        1px solid #90CAF9;
  border-radius: 6px;
  padding:       10px 14px;
  font-size:     14px;
  color:         #0D47A1;
}

/* ─── チェックボックスラベル ─── */
.checkbox-label {
  display:     flex;
  align-items: center;
  gap:         6px;
  font-size:   14px;
  cursor:      pointer;
}
.checkbox-label input[type="checkbox"] { width: 16px; height: 16px; cursor: pointer; }

/* ─── ローディングオーバーレイ ─── */
.loading-overlay {
  display:         flex;
  align-items:     center;
  justify-content: center;
  position:        fixed;
  inset:           0;
  background:      rgba(0,0,0,0.25);
  z-index:         9000;
}
.spinner {
  width:      44px;
  height:     44px;
  border:     4px solid rgba(255,255,255,0.4);
  border-top: 4px solid #fff;
  border-radius: 50%;
  animation:  spin 0.7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ─── トースト通知 ─── */
.toast {
  padding:       12px 20px;
  border-radius: 8px;
  font-size:     14px;
  font-weight:   600;
  box-shadow:    0 3px 12px rgba(0,0,0,0.18);
  animation:     slideIn 0.25s ease;
  max-width:     340px;
}
.toast-success { background: #2E7D32; color: #fff; }
.toast-error   { background: #C62828; color: #fff; }
.toast-info    { background: #1565C0; color: #fff; }
.toast-hide    { animation: slideOut 0.3s ease forwards; }

@keyframes slideIn  { from { opacity:0; transform:translateX(40px); } to { opacity:1; transform:translateX(0); } }
@keyframes slideOut { from { opacity:1; transform:translateX(0); }    to { opacity:0; transform:translateX(40px); } }

/* ─── 印刷用 ─── */
@media print {
  .no-print   { display: none !important; }
  body        { background: #fff; }
  .app-header { display: none; }
  .main-content { padding: 0; max-width: 100%; }
  .card       { box-shadow: none; border: 1px solid #ccc; page-break-inside: avoid; }
  .table      { font-size: 12px; }
  .table th, .table td { padding: 6px 8px; }
  .print-title { display: block !important; margin-bottom: 12px; }
  .print-title h2 { font-size: 16px; }
  .btn-danger, .action-cell { display: none !important; }
}

/* ─── レスポンシブ ─── */
@media (max-width: 768px) {
  .app-header  { flex-wrap: wrap; height: auto; padding: 10px 16px; gap: 8px; }
  .header-nav  { order: 3; width: 100%; gap: 2px; overflow-x: auto; }
  .nav-link    { font-size: 13px; padding: 5px 10px; }

  .main-content { padding: 16px 12px 40px; }
  .page-header  { flex-direction: column; align-items: flex-start; }
  .page-title   { font-size: 18px; }

  .form-grid {
    grid-template-columns: 1fr;
  }

  .filter-row   { flex-direction: column; gap: 10px; }
  .filter-actions { width: 100%; }

  .card { padding: 16px; }

  .table { font-size: 13px; min-width: 360px; }
  .table th, .table td { padding: 8px 10px; }

  .tab-btn { padding: 8px 14px; font-size: 13px; }
}

@media (max-width: 480px) {
  html  { font-size: 15px; }
  .btn  { padding: 8px 14px; font-size: 13px; }
  .btn-sm { padding: 4px 10px; font-size: 12px; }
  .user-name { display: none; }
}