/* ===== Reusable Components ===== */

/* Page Header */
.page-head { margin-bottom: 20px; }
.page-title {
  font-size: 22px;
  font-weight: 800;
  margin: 0 0 4px;
  letter-spacing: -.01em;
}
.page-sub { color: var(--text-2); font-size: 13px; }

/* Filter Bar */
.filter-bar {
  display: flex;
  gap: 10px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 12px 16px;
  margin-bottom: 18px;
  align-items: center;
  flex-wrap: wrap;
}
.filter-bar label {
  font-size: 12px;
  color: var(--text-2);
  font-weight: 600;
  margin-right: 4px;
}

/* Select */
.select {
  height: 36px;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0 12px;
  background: #fff;
  font-family: inherit;
  font-size: 13px;
  min-width: 130px;
  cursor: pointer;
  outline: none;
  transition: border-color var(--transition-fast);
}
.select:focus { border-color: var(--primary); }
.date-input { min-width: 150px; font-variant-numeric: tabular-nums; color: var(--text); }
.date-input::-webkit-calendar-picker-indicator { cursor: pointer; opacity: .7; }

/* Tabs */
.tabs {
  display: inline-flex;
  background: var(--bg);
  border-radius: 10px;
  padding: 3px;
  gap: 2px;
}
.tab {
  padding: 6px 16px;
  border-radius: 8px;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-2);
  cursor: pointer;
  border: none;
  background: transparent;
  font-family: inherit;
  transition: all var(--transition-fast);
}
.tab:hover { color: var(--text); }
.tab.active {
  background: #fff;
  color: var(--text);
  box-shadow: var(--shadow-sm);
}

.spacer { flex: 1; }

/* KPI Cards */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin-bottom: 18px;
}
.kpi {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 18px 20px;
  position: relative;
  transition: all var(--transition-fast);
  overflow: hidden;
}
.kpi::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 3px;
  background: transparent;
  transition: background var(--transition-fast);
}
.kpi:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}
.kpi:hover::before { background: var(--primary); }
.kpi.kpi-success:hover::before { background: var(--success); }
.kpi.kpi-warning:hover::before { background: var(--warning); }
.kpi.kpi-danger:hover::before { background: var(--danger); }
.kpi.kpi-info:hover::before { background: var(--info); }

.kpi-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 12px;
}
.kpi-icon {
  width: 40px; height: 40px;
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 17px;
  font-weight: 700;
}
.kpi-icon.blue { background: var(--primary-soft); color: var(--primary); }
.kpi-icon.green { background: var(--success-soft); color: var(--success); }
.kpi-icon.amber { background: var(--warning-soft); color: var(--warning); }
.kpi-icon.red { background: var(--danger-soft); color: var(--danger); }
.kpi-icon.purple { background: var(--info-soft); color: var(--info); }

.kpi-trend {
  font-size: 12px;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  display: inline-flex;
  align-items: center;
  gap: 3px;
}
.kpi-trend.up { background: var(--success-soft); color: var(--success); }
.kpi-trend.down { background: var(--danger-soft); color: var(--danger); }
.kpi-trend.flat { background: var(--bg); color: var(--text-2); }

.kpi-label {
  font-size: 12px;
  color: var(--text-2);
  font-weight: 600;
  margin-bottom: 4px;
}
.kpi-value {
  font-size: 28px;
  font-weight: 800;
  color: var(--text);
  letter-spacing: -.02em;
}
.kpi-sub {
  font-size: 11px;
  color: var(--text-3);
  margin-top: 4px;
}

/* Generic Card */
.card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 20px;
  margin-bottom: 14px;
  transition: box-shadow var(--transition-fast);
}
.card:hover { box-shadow: var(--shadow-sm); }
.card-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}
.card-title { font-size: 15px; font-weight: 700; margin: 0; }
.card-sub { color: var(--text-2); font-size: 12px; }

/* Grid Layouts */
.grid-2 { display: grid; grid-template-columns: 2fr 1fr; gap: 14px; }
.grid-2e { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 14px; }

/* Chart Container */
.chart-wrap { position: relative; height: 280px; }
.chart-wrap.sm { height: 220px; }
.chart-wrap.lg { height: 340px; }

/* Alert List */
.alert-list { display: flex; flex-direction: column; gap: 8px; }
.alert-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 12px 14px;
  border-radius: 10px;
  font-size: 12.5px;
  transition: transform var(--transition-fast);
  cursor: pointer;
}
.alert-item:hover { transform: translateX(2px); }
.alert-item.err {
  background: var(--danger-soft);
  border: 1px solid #FCA5A5;
  color: #7F1D1D;
}
.alert-item.warn {
  background: var(--warning-soft);
  border: 1px solid #FCD34D;
  color: #78350F;
}
.alert-item .a-ico { font-size: 16px; flex-shrink: 0; margin-top: 1px; }
.alert-item .a-body { flex: 1; }
.alert-item .a-title { font-weight: 700; margin-bottom: 2px; }
.alert-item .a-desc { font-size: 11.5px; opacity: .85; }
.alert-item .a-actions {
  display: flex;
  gap: 6px;
  flex-shrink: 0;
}

/* Table */
.table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}
.table th {
  text-align: left;
  font-weight: 600;
  color: var(--text-2);
  font-size: 11.5px;
  text-transform: uppercase;
  letter-spacing: .04em;
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  background: var(--surface-2);
  position: sticky;
  top: 0;
}
.table td {
  padding: 13px 12px;
  border-bottom: 1px solid var(--border);
  color: var(--text);
}
.table tr:last-child td { border-bottom: none; }
.table tr:hover td { background: var(--surface-2); }
.table .num { text-align: right; font-variant-numeric: tabular-nums; }

/* Pills */
.pill {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: var(--radius-full);
}
.pill.ok { background: var(--success-soft); color: var(--success); }
.pill.warn { background: var(--warning-soft); color: #B45309; }
.pill.err { background: var(--danger-soft); color: var(--danger); }
.pill.muted { background: var(--bg); color: var(--text-2); }
.pill.info { background: var(--info-soft); color: var(--info); }
.pill.primary { background: var(--primary-soft); color: var(--primary); }

/* Buttons */
.btn {
  height: 36px;
  border-radius: 8px;
  padding: 0 16px;
  border: 1px solid var(--border);
  background: #fff;
  font-family: inherit;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: all var(--transition-fast);
}
.btn:hover { background: var(--surface-2); border-color: var(--border-strong); }
.btn:active { transform: scale(.98); }
.btn-primary {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}
.btn-primary:hover { background: var(--primary-dark); }
.btn-success {
  background: var(--success);
  color: #fff;
  border-color: var(--success);
}
.btn-danger {
  background: transparent;
  color: var(--danger);
  border-color: var(--danger);
}
.btn-danger:hover { background: var(--danger-soft); }
.btn-sm { height: 30px; font-size: 12px; padding: 0 10px; }

/* Form Fields */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.field { display: flex; flex-direction: column; gap: 6px; }
.field label { font-size: 12px; font-weight: 600; color: var(--text-2); }
.field input, .field textarea, .field select {
  height: 38px;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0 12px;
  font-family: inherit;
  font-size: 13px;
  outline: none;
  background: #fff;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}
.field textarea { height: 80px; padding: 10px 12px; resize: vertical; }
.field input:focus, .field textarea:focus, .field select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(37,99,235,.08);
}

/* Legend */
.legend { display: flex; gap: 16px; font-size: 12px; color: var(--text-2); }
.legend-dot {
  display: inline-block;
  width: 10px; height: 10px;
  border-radius: 50%;
  margin-right: 5px;
  vertical-align: middle;
}

/* Empty state */
.empty-state {
  text-align: center;
  padding: 48px 24px;
  color: var(--text-3);
}
.empty-state .empty-ico { font-size: 48px; margin-bottom: 12px; }
.empty-state .empty-text { font-size: 15px; font-weight: 600; color: var(--text-2); }
.empty-state .empty-sub { font-size: 13px; margin-top: 4px; }

/* Loading */
.loading {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 48px;
}
.spinner {
  width: 32px; height: 32px;
  border: 3px solid var(--border);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin .6s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* Modal / Dialog */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.4);
  backdrop-filter: blur(4px);
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: fadeIn .2s ease;
}
.modal {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 24px;
  width: 90%;
  max-width: 560px;
  max-height: 80vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
  animation: modalIn .25s ease;
}
.modal-title {
  font-size: 18px;
  font-weight: 700;
  margin: 0 0 16px;
}
.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 20px;
}

@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes modalIn {
  from { opacity: 0; transform: scale(.95) translateY(8px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}

/* 時間帯別集計 — Period cards */
.period-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}
.period-card {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px 16px;
  background: #fff;
  transition: transform .15s ease, box-shadow .15s ease;
}
.period-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(0,0,0,.06);
}
.period-card.period-indigo { background: linear-gradient(180deg, #EEF2FF 0%, #fff 60%); border-color: #C7D2FE; }
.period-card.period-amber  { background: linear-gradient(180deg, #FEF3C7 0%, #fff 60%); border-color: #FDE68A; }
.period-card.period-orange { background: linear-gradient(180deg, #FFEDD5 0%, #fff 60%); border-color: #FED7AA; }
.period-card.period-purple { background: linear-gradient(180deg, #EDE9FE 0%, #fff 60%); border-color: #DDD6FE; }
.period-head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}
.period-icon {
  width: 36px; height: 36px;
  display: flex; align-items: center; justify-content: center;
  background: #fff;
  border-radius: 8px;
  font-size: 18px;
  box-shadow: 0 1px 2px rgba(0,0,0,.05);
}
.period-label { font-weight: 700; font-size: 14px; color: var(--text); }
.period-range { font-size: 11px; color: var(--text-muted, #6B7280); }
.period-metrics {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}
.period-metric-label { font-size: 11px; color: var(--text-muted, #6B7280); margin-bottom: 2px; }
.period-metric-value { font-size: 17px; font-weight: 700; color: var(--text); font-variant-numeric: tabular-nums; }

/* Responsive */
@media (max-width: 1280px) {
  .kpi-grid { grid-template-columns: repeat(2, 1fr); }
  .grid-2, .grid-2e, .grid-3 { grid-template-columns: 1fr; }
  .period-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .kpi-grid { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .filter-bar { padding: 10px 12px; }
  .period-grid { grid-template-columns: 1fr; }
}