/* ═══════════════════════════════════════════════════════════════
   PANDA LAB — DASHBOARD COMPONENTS v1.1
   Gap components for Mainframe and data-driven dashboards.
   Extends components.css — load after it.
   ═══════════════════════════════════════════════════════════════ */

/* ── Dashboard Summary Card (with sparkline slot) ─────────── */

.dashboard-card {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.035), rgba(255, 255, 255, 0.02));
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  display: grid;
  gap: var(--space-3);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.dashboard-card:hover {
  border-color: var(--line-strong);
  box-shadow: 0 0 0 1px var(--glow);
}

.dashboard-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-3);
}

.dashboard-card-title {
  font-size: var(--h3-size);
  font-weight: 600;
  color: var(--text);
  margin: 0;
}

.dashboard-card-status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: var(--meta-size);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.dashboard-card-status::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--muted);
  flex-shrink: 0;
}

.dashboard-card-status[data-status="healthy"]::before { background: var(--good); }
.dashboard-card-status[data-status="degraded"]::before { background: var(--warn); }
.dashboard-card-status[data-status="down"]::before { background: var(--danger); }

.dashboard-card-body {
  color: var(--muted);
  font-size: var(--body-size);
}

.dashboard-card-metrics {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.dashboard-card-metric {
  display: grid;
  gap: 2px;
}

.dashboard-card-metric .label {
  font-size: var(--meta-size);
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.dashboard-card-metric .value {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--text);
}

.dashboard-card-sparkline {
  width: 100%;
  height: 48px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.02);
  overflow: hidden;
}

.dashboard-card-sparkline svg,
.dashboard-card-sparkline canvas {
  width: 100%;
  height: 100%;
  display: block;
}

.dashboard-card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: var(--meta-size);
  color: var(--muted);
}

/* ── KPI Meter / Gauge ────────────────────────────────────── */

.kpi-meter {
  display: grid;
  gap: var(--space-2);
  text-align: center;
}

.kpi-meter-label {
  font-size: var(--meta-size);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--muted);
}

.kpi-meter-value {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--text);
  line-height: 1;
}

.kpi-meter-ring {
  width: 96px;
  height: 96px;
  margin: 0 auto;
  position: relative;
}

.kpi-meter-ring svg {
  width: 100%;
  height: 100%;
  transform: rotate(-90deg);
}

.kpi-meter-ring .track {
  fill: none;
  stroke: rgba(255, 255, 255, 0.06);
  stroke-width: 6;
}

.kpi-meter-ring .fill {
  fill: none;
  stroke: var(--accent);
  stroke-width: 6;
  stroke-linecap: round;
  transition: stroke-dashoffset 0.6s ease;
}

.kpi-meter-ring .fill[data-severity="good"] { stroke: var(--good); }
.kpi-meter-ring .fill[data-severity="warn"] { stroke: var(--warn); }
.kpi-meter-ring .fill[data-severity="danger"] { stroke: var(--danger); }

.kpi-meter-bar {
  height: 6px;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.06);
  overflow: hidden;
}

.kpi-meter-bar-fill {
  height: 100%;
  border-radius: var(--radius-pill);
  background: var(--accent);
  transition: width 0.6s ease;
}

.kpi-meter-bar-fill[data-severity="good"] { background: var(--good); }
.kpi-meter-bar-fill[data-severity="warn"] { background: var(--warn); }
.kpi-meter-bar-fill[data-severity="danger"] { background: var(--danger); }

.kpi-meter-unit {
  font-size: var(--pill-size);
  color: var(--muted);
}

/* ── Chart Container ──────────────────────────────────────── */

.chart-container {
  background: linear-gradient(180deg, rgba(15, 31, 61, 0.88), rgba(9, 20, 40, 0.94));
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  padding: var(--space-7);
  display: grid;
  gap: var(--space-4);
}

.chart-container-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.chart-container-title {
  font-size: var(--h3-size);
  font-weight: 600;
  color: var(--text);
  margin: 0;
}

.chart-container-controls {
  display: flex;
  gap: var(--space-2);
}

.chart-container-body {
  position: relative;
  min-height: 200px;
  border-radius: var(--radius-md);
  overflow: hidden;
}

.chart-container-body svg,
.chart-container-body canvas {
  width: 100%;
  height: 100%;
  display: block;
}

.chart-container-legend {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  font-size: var(--meta-size);
  color: var(--muted);
}

.chart-container-legend-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.chart-container-legend-swatch {
  width: 10px;
  height: 10px;
  border-radius: 2px;
  flex-shrink: 0;
}

/* ── Data Table (sortable headers) ────────────────────────── */

.data-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.02);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--body-size);
}

.data-table th,
.data-table td {
  padding: 12px 16px;
  text-align: left;
  border-bottom: 1px solid var(--line);
}

.data-table th {
  font-size: var(--meta-size);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--muted);
  font-weight: 600;
  white-space: nowrap;
  user-select: none;
  position: sticky;
  top: 0;
  background: var(--panel);
}

.data-table th[data-sortable] {
  cursor: pointer;
  transition: color 0.15s ease;
}

.data-table th[data-sortable]:hover {
  color: var(--text);
}

.data-table th[data-sortable]::after {
  content: "⇅";
  margin-left: 6px;
  opacity: 0.3;
  font-size: 0.75em;
}

.data-table th[data-sort="asc"]::after {
  content: "↑";
  opacity: 0.8;
}

.data-table th[data-sort="desc"]::after {
  content: "↓";
  opacity: 0.8;
}

.data-table td {
  color: var(--text-soft);
}

.data-table tbody tr {
  transition: background 0.15s ease;
}

.data-table tbody tr:hover {
  background: rgba(120, 168, 255, 0.04);
}

.data-table tbody tr:last-child td {
  border-bottom: none;
}

/* ── Progress / Completion Bar ────────────────────────────── */

.progress-bar {
  display: grid;
  gap: 6px;
}

.progress-bar-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-size: var(--meta-size);
}

.progress-bar-label {
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.progress-bar-value {
  color: var(--text);
  font-weight: 600;
}

.progress-bar-track {
  height: 8px;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.06);
  overflow: hidden;
}

.progress-bar-fill {
  height: 100%;
  border-radius: var(--radius-pill);
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  transition: width 0.6s ease;
}

.progress-bar-fill[data-severity="good"] {
  background: linear-gradient(90deg, var(--good), var(--good-soft));
}

.progress-bar-fill[data-severity="warn"] {
  background: linear-gradient(90deg, var(--warn), var(--warn-soft));
}

.progress-bar-fill[data-severity="danger"] {
  background: linear-gradient(90deg, var(--danger), var(--danger-soft));
}

/* ── Tab Navigation ───────────────────────────────────────── */

.tab-nav {
  display: flex;
  gap: 4px;
  border-bottom: 1px solid var(--line);
  overflow-x: auto;
  scrollbar-width: none;
}

.tab-nav::-webkit-scrollbar {
  display: none;
}

.tab-nav-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 16px;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--muted);
  text-decoration: none;
  border: none;
  background: none;
  border-bottom: 2px solid transparent;
  cursor: pointer;
  white-space: nowrap;
  transition: color 0.15s ease, border-color 0.15s ease;
}

.tab-nav-item:hover {
  color: var(--text-soft);
}

.tab-nav-item.active,
.tab-nav-item[aria-selected="true"] {
  color: var(--text);
  border-bottom-color: var(--accent);
}

.tab-panel {
  padding: var(--space-4) 0;
}

.tab-panel[hidden] {
  display: none;
}

/* ── Breadcrumb ───────────────────────────────────────────── */

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: var(--meta-size);
  color: var(--muted);
  list-style: none;
  margin: 0;
  padding: 0;
  flex-wrap: wrap;
}

.breadcrumb li {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.breadcrumb li + li::before {
  content: "/";
  color: rgba(157, 186, 255, 0.25);
}

.breadcrumb a {
  color: var(--muted);
  text-decoration: none;
  transition: color 0.15s ease;
}

.breadcrumb a:hover {
  color: var(--text);
}

.breadcrumb .current {
  color: var(--text-soft);
  font-weight: 500;
}

/* ── Toast Notification ───────────────────────────────────── */

.toast-container {
  position: fixed;
  top: var(--space-5);
  right: var(--space-5);
  z-index: 9000;
  display: grid;
  gap: var(--space-2);
  pointer-events: none;
  max-width: 420px;
  width: 100%;
}

.toast {
  pointer-events: auto;
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: 14px 18px;
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-panel);
  backdrop-filter: blur(12px);
  color: var(--text);
  font-size: 0.95rem;
  animation: toast-in 0.3s ease forwards;
}

.toast.toast-out {
  animation: toast-out 0.25s ease forwards;
}

.toast-icon {
  flex-shrink: 0;
  font-size: 1.1rem;
  line-height: 1.4;
}

.toast-body {
  flex: 1;
  min-width: 0;
}

.toast-title {
  font-weight: 600;
  margin-bottom: 2px;
}

.toast-message {
  color: var(--muted);
  font-size: var(--pill-size);
}

.toast-close {
  flex-shrink: 0;
  background: none;
  border: none;
  color: var(--muted);
  cursor: pointer;
  padding: 4px;
  font-size: 1rem;
  line-height: 1;
  transition: color 0.15s ease;
}

.toast-close:hover {
  color: var(--text);
}

.toast[data-type="success"] { border-left: 3px solid var(--good); }
.toast[data-type="warning"] { border-left: 3px solid var(--warn); }
.toast[data-type="error"]   { border-left: 3px solid var(--danger); }
.toast[data-type="info"]    { border-left: 3px solid var(--accent); }

@keyframes toast-in {
  from { opacity: 0; transform: translateX(24px); }
  to   { opacity: 1; transform: translateX(0); }
}

@keyframes toast-out {
  from { opacity: 1; transform: translateX(0); }
  to   { opacity: 0; transform: translateX(24px); }
}

/* ── Loading Skeleton States ──────────────────────────────── */

.skeleton {
  position: relative;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.04);
  border-radius: var(--radius-sm);
  color: transparent !important;
  pointer-events: none;
  user-select: none;
}

.skeleton::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    90deg,
    transparent 0%,
    rgba(255, 255, 255, 0.04) 40%,
    rgba(255, 255, 255, 0.06) 50%,
    rgba(255, 255, 255, 0.04) 60%,
    transparent 100%
  );
  animation: skeleton-shimmer 1.8s ease infinite;
}

.skeleton * {
  visibility: hidden !important;
}

.skeleton-line {
  height: 1em;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.04);
  position: relative;
  overflow: hidden;
}

.skeleton-line::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    90deg,
    transparent 0%,
    rgba(255, 255, 255, 0.04) 40%,
    rgba(255, 255, 255, 0.06) 50%,
    rgba(255, 255, 255, 0.04) 60%,
    transparent 100%
  );
  animation: skeleton-shimmer 1.8s ease infinite;
}

.skeleton-line.short { width: 40%; }
.skeleton-line.medium { width: 65%; }
.skeleton-line.wide { width: 90%; }

.skeleton-circle {
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.04);
  position: relative;
  overflow: hidden;
}

.skeleton-circle::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    90deg,
    transparent 0%,
    rgba(255, 255, 255, 0.04) 40%,
    rgba(255, 255, 255, 0.06) 50%,
    rgba(255, 255, 255, 0.04) 60%,
    transparent 100%
  );
  animation: skeleton-shimmer 1.8s ease infinite;
}

@keyframes skeleton-shimmer {
  0%   { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

/* ── Responsive additions for v1.1 components ─────────────── */

@media (max-width: 720px) {
  .toast-container {
    top: auto;
    bottom: var(--space-5);
    right: var(--space-3);
    left: var(--space-3);
    max-width: none;
  }

  .tab-nav {
    gap: 0;
  }

  .tab-nav-item {
    padding: 8px 12px;
    font-size: var(--pill-size);
  }

  .kpi-meter-ring {
    width: 72px;
    height: 72px;
  }
}