/* Stat cards */
.stat-card { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-md); box-shadow: var(--shadow-card); padding: var(--space-5) var(--space-6); display: flex; align-items: center; gap: var(--space-4); }
.stat-card-icon { width: 44px; height: 44px; border-radius: var(--radius-md); display: flex; align-items: center; justify-content: center; font-size: 20px; }
.stat-card-value { font-family: var(--font-heading); font-size: 28px; font-weight: 700; color: var(--color-text-primary); line-height: 1; }
.stat-card-label { font-size: 13px; color: var(--color-text-secondary); margin-top: var(--space-1); }
.stat-card-muted .stat-card-icon { opacity: 0.45; filter: grayscale(0.6); }
.stat-card-muted .stat-card-value, .stat-card-muted .stat-card-label { color: var(--color-text-muted); }

/* Badges */
.badge { display: inline-flex; align-items: center; padding: 2px 10px; border-radius: 999px; font-size: 12px; font-weight: 500; letter-spacing: 0.01em; }
.badge-success   { background: var(--color-success-light); color: var(--color-success); }
.badge-warning   { background: var(--color-warning-light); color: var(--color-warning); }
.badge-danger    { background: var(--color-danger-light);  color: var(--color-danger); }
.badge-info      { background: var(--color-info-light);    color: var(--color-info); }
.badge-secondary { background: var(--color-surface-alt);   color: var(--color-text-secondary); }

/* Data table */
.table-container { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-md); box-shadow: var(--shadow-card); overflow: hidden; }
.data-table { width: 100%; border-collapse: collapse; font-size: 14px; }
.data-table thead th { font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.05em; color: var(--color-text-secondary); padding: var(--space-3) var(--space-4); border-bottom: 1px solid var(--color-border); text-align: left; background: var(--color-surface); }
.data-table tbody td { padding: var(--space-3) var(--space-4); border-bottom: 1px solid var(--color-border); color: var(--color-text-primary); }
.data-table tbody tr:last-child td { border-bottom: none; }
.data-table tbody tr:hover { background: var(--color-surface-alt); cursor: pointer; }
.table-actions { display: flex; gap: var(--space-2); white-space: nowrap; }

/* Filter bar */
.filter-bar { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-md); padding: var(--space-4) var(--space-5); margin-bottom: var(--space-4); display: flex; align-items: center; gap: var(--space-3); flex-wrap: wrap; }
.filter-bar .form-control, .filter-bar .form-select { border-color: var(--color-border); border-radius: var(--radius-sm); font-size: 14px; }
.filter-bar .form-control:focus, .filter-bar .form-select:focus { border-color: var(--color-primary); box-shadow: 0 0 0 3px rgba(0,60,144,0.12); }

/* Empty state */
.empty-state { text-align: center; padding: var(--space-10) var(--space-8); color: var(--color-text-secondary); }
.empty-state-icon { font-size: 40px; margin-bottom: var(--space-4); opacity: 0.4; }
.empty-state-title { font-size: 16px; font-weight: 600; color: var(--color-text-primary); }
.empty-state-body { font-size: 14px; margin: var(--space-2) 0 var(--space-5); }

/* Cards (detail view) */
.detail-card { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-md); box-shadow: var(--shadow-card); margin-bottom: var(--space-5); }
.detail-card-header { padding: var(--space-4) var(--space-6); border-bottom: 1px solid var(--color-border); display: flex; align-items: center; justify-content: space-between; }
.detail-card-header h2 { font-size: 15px; font-weight: 600; margin: 0; }
.detail-card-body { padding: var(--space-5) var(--space-6); }

/* Dashboard */
.dashboard-stat-grid { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: var(--space-3); }
.dashboard-stat-grid .stat-card { padding: var(--space-3) var(--space-4); gap: var(--space-3); }
.dashboard-stat-grid .stat-card-icon { width: 34px; height: 34px; font-size: 16px; border-radius: var(--radius-sm); flex-shrink: 0; }
.dashboard-stat-grid .stat-card-value { font-size: 20px; }
.dashboard-stat-grid .stat-card-label { font-size: 11px; margin-top: 2px; }
.stat-card-link { text-decoration: none; color: inherit; display: flex; align-items: center; gap: inherit; width: 100%; }
.stat-card-link:hover { color: inherit; }
.dashboard-layout { display: grid; grid-template-columns: minmax(0, 1fr) 360px; gap: var(--space-5); align-items: start; }
.dashboard-main, .dashboard-side { min-width: 0; }
.dashboard-icon-primary { background: var(--color-primary-light); color: var(--color-primary); }
.dashboard-icon-info { background: var(--color-info-light); color: var(--color-info); }
.dashboard-icon-warning { background: var(--color-warning-light); color: var(--color-warning); }
.dashboard-icon-danger { background: var(--color-danger-light); color: var(--color-danger); }
.dashboard-icon-success { background: var(--color-success-light); color: var(--color-success); }
.dashboard-activity-list, .dashboard-simple-list { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: var(--space-3); }
.dashboard-activity-list li { display: grid; grid-template-columns: 34px minmax(0, 1fr); gap: var(--space-3); align-items: start; }
.dashboard-activity-list strong, .dashboard-activity-list span span, .dashboard-activity-list time { display: block; }
.dashboard-activity-list strong { font-size: 14px; color: var(--color-text-primary); }
.dashboard-activity-list span span, .dashboard-activity-list time { font-size: 12px; color: var(--color-text-secondary); }
.dashboard-activity-icon { width: 34px; height: 34px; border-radius: var(--radius-md); background: var(--color-surface-alt); color: var(--color-primary); display: inline-flex; align-items: center; justify-content: center; }
.dashboard-simple-list li { display: flex; justify-content: space-between; gap: var(--space-3); align-items: center; font-size: 14px; }
.dashboard-simple-list a { color: var(--color-text-primary); font-weight: 600; text-decoration: none; }
.dashboard-simple-list a:hover { color: var(--color-primary); }
.dashboard-simple-list span { color: var(--color-text-secondary); font-size: 12px; white-space: nowrap; }
.report-card { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-md); box-shadow: var(--shadow-card); padding: var(--space-5); display: flex; align-items: center; gap: var(--space-3); color: var(--color-text-primary); text-decoration: none; min-height: 82px; }
.report-card:hover { border-color: var(--color-primary); color: var(--color-primary); }
.report-card i { width: 38px; height: 38px; border-radius: var(--radius-md); background: var(--color-info-light); color: var(--color-info); display: inline-flex; align-items: center; justify-content: center; font-size: 20px; }
.report-card span { font-weight: 600; }
.report-filter { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-md); padding: var(--space-4); margin-bottom: var(--space-4); display: flex; align-items: end; gap: var(--space-3); flex-wrap: wrap; }
.report-filter label { display: flex; flex-direction: column; gap: var(--space-1); font-size: 13px; color: var(--color-text-secondary); }
.message-recipient-cell { max-width: 24rem; overflow-wrap: anywhere; }
.settings-role-select { min-width: 9rem; }

/* Dashboard header (greeting + context line + actions) */
.dashboard-head { margin-bottom: var(--space-5); display: flex; align-items: flex-end; justify-content: space-between; gap: var(--space-4); flex-wrap: wrap; }
.dashboard-greeting { font-family: var(--font-heading); font-size: 21px; font-weight: 800; letter-spacing: -0.02em; margin: 0 0 2px; }
.dashboard-context { font-size: 13px; color: var(--color-text-secondary); }
.dashboard-context b { color: var(--color-text-primary); font-weight: 600; }
.dashboard-head-actions { display: flex; gap: var(--space-2); align-items: center; }

/* KPI tiles: label / value + delta pill / sparkline */
.kpi-card { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-md); box-shadow: var(--shadow-card); padding: var(--space-3) var(--space-4); display: flex; flex-direction: column; gap: 2px; text-decoration: none; color: inherit; transition: border-color 0.12s; min-width: 0; }
a.kpi-card:hover { border-color: var(--color-primary); color: inherit; }
.kpi-label { font-size: 10.5px; font-weight: 600; letter-spacing: 0.05em; text-transform: uppercase; color: var(--color-text-muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.kpi-value-row { display: flex; align-items: baseline; gap: var(--space-2); }
.kpi-value { font-family: var(--font-heading); font-size: 24px; font-weight: 800; letter-spacing: -0.02em; font-variant-numeric: tabular-nums; line-height: 1.15; color: var(--color-text-primary); }
.kpi-card-alert .kpi-value { color: var(--color-warning); }
.kpi-delta { font-size: 11px; font-weight: 700; font-variant-numeric: tabular-nums; padding: 1px 7px; border-radius: 999px; white-space: nowrap; }
.kpi-delta-up { color: var(--color-success); background: var(--color-success-light); }
.kpi-delta-down { color: var(--color-danger); background: var(--color-danger-light); }
.kpi-delta-flat { color: var(--color-text-secondary); background: var(--color-surface-alt); }
.kpi-spark { width: 100%; height: 24px; display: block; margin-top: var(--space-2); }
.kpi-context { color: var(--color-text-muted); font-size: 10.5px; line-height: 1.3; }
.kpi-card-clear { flex-direction: row; align-items: center; gap: var(--space-3); background: var(--color-surface-alt); border-style: dashed; box-shadow: none; color: var(--color-text-secondary); font-size: 12px; line-height: 1.4; }
.stat-clear-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--color-success); flex-shrink: 0; }

/* Operations heartbeat */
.ops-heartbeat { display: grid; grid-template-columns: minmax(220px, .8fr) minmax(0, 2.2fr); background: linear-gradient(135deg, #0d2b3a, #123f50); border-radius: var(--radius-lg); box-shadow: var(--shadow-card); color: #fff; overflow: hidden; }
.ops-heartbeat-heading { display: flex; align-items: center; gap: var(--space-3); padding: var(--space-4) var(--space-5); border-right: 1px solid rgba(255,255,255,.12); }
.ops-heartbeat-heading h2 { color: #fff; font-size: 15px; margin: 0 0 2px; }
.ops-heartbeat-heading p { color: #b9ccd4; font-size: 11px; line-height: 1.35; margin: 0; }
.ops-heartbeat-pulse { width: 10px; height: 10px; border-radius: 50%; background: var(--color-primary); box-shadow: 0 0 0 6px rgba(0,155,141,.18); flex: 0 0 auto; }
.ops-heartbeat-signals { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); }
.ops-signal { display: grid; grid-template-columns: 8px minmax(0, 1fr); column-gap: var(--space-2); align-content: center; padding: var(--space-3) var(--space-4); color: #fff; text-decoration: none; border-right: 1px solid rgba(255,255,255,.1); min-width: 0; }
.ops-signal:last-child { border-right: 0; }
.ops-signal:hover { color: #fff; background: rgba(255,255,255,.05); }
.ops-signal-dot { width: 7px; height: 7px; margin-top: 4px; border-radius: 50%; }
.ops-signal-dot.is-good { background: #42d3a5; }
.ops-signal-dot.is-review { background: #f5b942; }
.ops-signal-dot.is-muted { background: #91a7b2; }
.ops-signal span:nth-child(2) { display: grid; min-width: 0; }
.ops-signal b { font-size: 12px; }
.ops-signal strong { margin-top: 2px; color: #b9ccd4; font-size: 11px; }

/* Needs-attention all-clear state */
.attn-all-clear { display: flex; align-items: center; gap: var(--space-3); padding: var(--space-5) var(--space-6); font-size: 13px; color: var(--color-text-secondary); }

/* Card header helpers */
.detail-card-sub { font-size: 12px; color: var(--color-text-muted); }
.detail-card-action { font-size: 12px; font-weight: 600; color: var(--color-primary); text-decoration: none; }
.detail-card-action:hover { text-decoration: underline; }

/* Status pills (water quality / today) */
.status-pill { font-size: 11px; font-weight: 700; padding: 2px 10px; border-radius: 999px; white-space: nowrap; }
.status-pill-good { color: var(--color-success); background: var(--color-success-light); }
.status-pill-warn { color: var(--color-warning); background: var(--color-warning-light); }
.status-pill-crit { color: var(--color-danger); background: var(--color-danger-light); }

/* Needs-attention feed */
.attn-list { display: flex; flex-direction: column; }
.attn-row { display: grid; grid-template-columns: 4px 48px minmax(0, 1fr) 16px; gap: var(--space-4); align-items: center; padding: 11px var(--space-5) 11px 0; border-bottom: 1px solid var(--color-border); text-decoration: none; color: inherit; }
.attn-row:last-child { border-bottom: none; }
.attn-row:hover { background: var(--color-surface-alt); color: inherit; }
.attn-row:target { background: var(--color-primary-light); animation: action-queue-highlight 1.8s ease-out; }
.attn-stripe { align-self: stretch; border-radius: 0 2px 2px 0; }
.attn-crit { background: var(--color-danger); }
.attn-warn { background: var(--color-warning); }
.attn-info { background: var(--color-primary); }
.attn-count { font-family: var(--font-heading); font-size: 18px; font-weight: 800; font-variant-numeric: tabular-nums; text-align: right; letter-spacing: -0.02em; }
.attn-msg { min-width: 0; }
.attn-category { display: inline-flex; width: fit-content; margin-bottom: 3px; padding: 1px 7px; border-radius: 999px; background: var(--color-surface-alt); color: var(--color-text-secondary); font-size: 9.5px; font-weight: 700; letter-spacing: .04em; text-transform: uppercase; }
.attn-title { display: block; font-weight: 600; font-size: 13.5px; color: var(--color-text-primary); }
.attn-detail { display: block; font-size: 12px; color: var(--color-text-muted); overflow: hidden; text-overflow: ellipsis; }
.attn-chev { color: var(--color-text-muted); font-size: 15px; }

@keyframes action-queue-highlight {
  0%, 35% { box-shadow: inset 0 0 0 2px rgba(0, 155, 141, .38); }
  100% { box-shadow: inset 0 0 0 2px rgba(0, 155, 141, 0); }
}

/* Water quality pool cards */
.pool-list { display: flex; flex-direction: column; }
.pool-card { display: flex; flex-direction: column; gap: 7px; padding: 12px var(--space-6); border-bottom: 1px solid var(--color-border); }
.pool-card:last-child { border-bottom: none; }
.pool-top { display: flex; align-items: center; justify-content: space-between; gap: var(--space-3); }
.pool-name { font-weight: 700; font-size: 13.5px; }
.pool-metrics { display: flex; gap: var(--space-4); font-variant-numeric: tabular-nums; flex-wrap: wrap; }
.pool-metric { font-size: 11.5px; color: var(--color-text-secondary); }
.pool-metric b { display: block; font-size: 15px; font-weight: 700; color: var(--color-text-primary); }
.pool-meta { font-size: 11.5px; color: var(--color-text-muted); }
.pool-meta-overdue { color: var(--color-danger); font-weight: 600; }

/* Today at the pool */
.today-list { display: flex; flex-direction: column; }
.today-item { display: grid; grid-template-columns: 52px minmax(0, 1fr) auto; gap: var(--space-3); align-items: center; padding: 9px var(--space-6); border-bottom: 1px solid var(--color-border); }
.today-item:last-child { border-bottom: none; }
.today-time { font-variant-numeric: tabular-nums; font-weight: 700; font-size: 12px; color: var(--color-text-secondary); }
.today-what { min-width: 0; }
.today-title { display: block; font-weight: 600; font-size: 13px; color: var(--color-text-primary); }
.today-detail { display: block; font-size: 11.5px; color: var(--color-text-muted); }

/* Compact empty states inside side cards */
.empty-state-compact { padding: var(--space-6) var(--space-5); }
.empty-state-compact .empty-state-icon { font-size: 26px; margin-bottom: var(--space-2); }
.empty-state-compact .empty-state-title { font-size: 13px; }

@media (max-width: 1200px) {
  .dashboard-stat-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
@media (max-width: 1100px) {
  .dashboard-layout { grid-template-columns: 1fr; }
  .ops-heartbeat { grid-template-columns: 1fr; }
  .ops-heartbeat-heading { border-right: 0; border-bottom: 1px solid rgba(255,255,255,.12); }
}
@media (max-width: 640px) {
  .ops-heartbeat-signals { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .dashboard-stat-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}