/**
 * css/strategy-xmatrix.css
 * Dedicated styles for the X-Matrix Strategy Deployment Dashboard (Sprint 3).
 * Uses the Maestro design system tokens from styles.css.
 */

/* ============================================================
   ROOT TOKENS
   ============================================================ */
:root {
  --xm-primary: #3b82f6;
  --xm-primary-hover: #2563eb;
  --xm-primary-light: #eff6ff;
  --xm-strong: #1e40af;
  --xm-strong-glow: rgba(30, 64, 175, 0.18);
  --xm-weak: #94a3b8;
  --xm-weak-glow: rgba(148, 163, 184, 0.12);
  --xm-none-bg: transparent;
  --xm-surface: #ffffff;
  --xm-surface-alt: #f8fafc;
  --xm-border: #e2e8f0;
  --xm-text: #0f172a;
  --xm-text-muted: #64748b;
  --xm-text-label: #475569;
  --xm-radius: 16px;
  --xm-radius-sm: 10px;
  --xm-shadow: 0 10px 40px rgba(0, 0, 0, 0.04);
  --xm-shadow-hover: 0 14px 48px rgba(0, 0, 0, 0.07);
  --xm-transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background: linear-gradient(145deg, #f8fafc 0%, #eef2f7 50%, #e2e8f0 100%);
  color: var(--xm-text);
  min-height: 100vh;
  margin: 0;
  overflow-x: hidden;
}

/* ============================================================
   LAYOUT CONTAINER
   ============================================================ */
.xm-container {
  max-width: 1600px;
  margin: 0 auto;
  padding: 0 2rem 2rem 2rem;
}

/* ============================================================
   PAGE HERO HEADER
   ============================================================ */
.xm-hero {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 2rem 0 1rem;
  gap: 24px;
}

.xm-hero-left h1 {
  margin: 0;
  font-size: 2rem;
  font-weight: 700;
  background: linear-gradient(135deg, #0f172a 0%, #3b82f6 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.02em;
}

.xm-hero-left p {
  margin: 6px 0 0;
  color: var(--xm-text-muted);
  font-size: 1rem;
}

.xm-actions {
  display: flex;
  gap: 10px;
  align-items: center;
}

.xm-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border: none;
  border-radius: var(--xm-radius-sm);
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  transition: var(--xm-transition);
  font-family: inherit;
}

.xm-btn-dark {
  background: #0f172a;
  color: #ffffff;
}
.xm-btn-dark:hover {
  background: #1e293b;
  transform: translateY(-1px);
}

.xm-btn-outline {
  background: var(--xm-surface);
  color: var(--xm-text);
  border: 1px solid var(--xm-border);
}
.xm-btn-outline:hover {
  background: var(--xm-surface-alt);
  border-color: #cbd5e1;
}

.xm-btn-primary {
  background: var(--xm-primary);
  color: #ffffff;
}
.xm-btn-primary:hover {
  background: var(--xm-primary-hover);
  transform: translateY(-1px);
}

/* ============================================================
   FILTER BAR
   ============================================================ */
.xm-filter-bar {
  background: var(--xm-surface);
  border-radius: var(--xm-radius);
  padding: 1.25rem 1.5rem;
  margin-bottom: 1.5rem;
  box-shadow: var(--xm-shadow);
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: flex-end;
  border: 1px solid var(--xm-border);
}

.xm-filter-group {
  display: flex;
  flex-direction: column;
  gap: 5px;
  flex: 1;
  min-width: 155px;
}

.xm-filter-group label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--xm-text-label);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.xm-filter-control {
  padding: 9px 12px;
  border: 1px solid #cbd5e1;
  border-radius: 8px;
  font-size: 0.9rem;
  background: var(--xm-surface-alt);
  transition: border-color 0.2s;
  font-family: inherit;
  color: var(--xm-text);
  width: 100%;
}

.xm-filter-control:focus {
  outline: none;
  border-color: var(--xm-primary);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.08);
}

.xm-toggle-group {
  display: flex;
  align-items: center;
  gap: 8px;
  background: #f1f5f9;
  padding: 9px 16px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 0.85rem;
  color: #334155;
  cursor: pointer;
  transition: background 0.2s;
  white-space: nowrap;
  user-select: none;
}
.xm-toggle-group:hover {
  background: #e2e8f0;
}

.xm-toggle-group input[type="checkbox"] {
  width: 1.1rem;
  height: 1.1rem;
  accent-color: var(--xm-primary);
}

/* ============================================================
   TABS
   ============================================================ */
.xm-tabs {
  display: flex;
  gap: 10px;
  margin-bottom: 1.5rem;
}

.xm-tab {
  background: rgba(255, 255, 255, 0.55);
  border: 1px solid transparent;
  padding: 11px 22px;
  font-weight: 600;
  color: var(--xm-text-muted);
  cursor: pointer;
  border-radius: 12px;
  transition: var(--xm-transition);
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: inherit;
  font-size: 0.9rem;
}
.xm-tab:hover {
  background: var(--xm-surface);
  color: #334155;
}
.xm-tab.active {
  background: var(--xm-surface);
  color: var(--xm-primary);
  border-color: #bfdbfe;
  box-shadow: 0 4px 14px rgba(59, 130, 246, 0.1);
}
.xm-tab .tab-count {
  background: #f1f5f9;
  color: var(--xm-text-muted);
  font-size: 0.75rem;
  padding: 2px 8px;
  border-radius: 999px;
  font-weight: 700;
}
.xm-tab.active .tab-count {
  background: var(--xm-primary-light);
  color: var(--xm-primary);
}

/* ============================================================
   TAB CONTENT ANIMATION
   ============================================================ */
.xm-pane {
  display: none;
}
.xm-pane.active {
  display: block;
  animation: xmFadeIn 0.32s ease;
}
@keyframes xmFadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ============================================================
   HEATMAP CARD
   ============================================================ */
.xm-heatmap-card {
  background: var(--xm-surface);
  border-radius: 20px;
  padding: 24px;
  box-shadow: var(--xm-shadow);
  position: relative;
  border: 1px solid var(--xm-border);
}

.xm-heatmap-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  flex-wrap: wrap;
  gap: 12px;
}

.xm-heatmap-header h3 {
  margin: 0;
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--xm-text);
}
.xm-heatmap-header h3 span {
  color: #94a3b8;
  font-weight: 400;
}

/* Legend */
.xm-legend {
  display: flex;
  gap: 18px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--xm-text-muted);
  align-items: center;
}
.xm-legend-item {
  display: flex;
  align-items: center;
  gap: 6px;
}
.xm-legend-dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  flex-shrink: 0;
}
.xm-legend-dot.strong {
  background: var(--xm-strong);
  box-shadow: 0 0 0 3px var(--xm-strong-glow);
}
.xm-legend-dot.weak {
  background: var(--xm-weak);
  box-shadow: 0 0 0 3px var(--xm-weak-glow);
}
.xm-legend-dot.none {
  background: #f1f5f9;
  border: 1.5px solid #cbd5e1;
}

/* ============================================================
   MATRIX TABLE
   ============================================================ */
.xm-table-wrapper {
  width: 100%;
  overflow-x: auto;
  overflow-y: auto;
  max-height: 620px;
  border-radius: 12px;
  border: 1px solid var(--xm-border);
  scroll-behavior: smooth;
}

.xm-matrix-table {
  min-width: 100%;
  border-collapse: separate;
  border-spacing: 0;
}

.xm-matrix-table th,
.xm-matrix-table td {
  padding: 12px 14px;
  text-align: center;
  border-right: 1px solid #f1f5f9;
  border-bottom: 1px solid #f1f5f9;
  min-width: 130px;
  font-size: 0.88rem;
}

/* Corner */
.xm-matrix-table th:first-child {
  min-width: 260px;
  text-align: left;
}

/* Header */
.xm-matrix-table th {
  background: var(--xm-surface-alt);
  font-weight: 600;
  color: #334155;
  position: sticky;
  top: 0;
  z-index: 12;
  cursor: pointer;
  transition: background 0.15s;
  white-space: nowrap;
}
.xm-matrix-table th:hover {
  background: #eef2f7;
}

/* Row header */
.xm-matrix-table td.xm-header-col {
  position: sticky;
  left: 0;
  background: var(--xm-surface);
  z-index: 11;
  text-align: left;
  font-weight: 600;
  color: var(--xm-text);
  box-shadow: 2px 0 6px rgba(0, 0, 0, 0.02);
  max-width: 320px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  cursor: pointer;
}
.xm-matrix-table td.xm-header-col:hover {
  background: var(--xm-surface-alt);
}

/* Score bar inline */
.xm-score-bar {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  margin-left: 10px;
  background: var(--xm-primary-light);
  color: var(--xm-primary);
  padding: 2px 8px;
  border-radius: 6px;
  font-size: 0.75rem;
  font-weight: 700;
  vertical-align: middle;
}

/* Intersection cells */
.xm-cell {
  position: relative;
  cursor: pointer;
  transition: background 0.15s;
}
.xm-cell:hover {
  background: #f8fafc;
}
.xm-cell::after {
  content: '';
  display: block;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  margin: 0 auto;
  transition: transform 0.2s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.xm-cell.corr-strong::after {
  background: var(--xm-strong);
  box-shadow: 0 0 0 5px var(--xm-strong-glow);
}
.xm-cell.corr-weak::after {
  background: var(--xm-weak);
  box-shadow: 0 0 0 4px var(--xm-weak-glow);
}
.xm-cell.corr-none::after {
  background: transparent;
}
.xm-cell:hover::after {
  transform: scale(1.25);
}
.xm-cell:active::after {
  transform: scale(0.9);
}

/* ============================================================
   BADGES
   ============================================================ */
.xm-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 8px;
  border-radius: 6px;
  font-size: 0.72rem;
  font-weight: 700;
  vertical-align: middle;
  margin-left: 6px;
  letter-spacing: 0.02em;
}

.xm-badge-lever {
  background: #fffbeb;
  color: #d97706;
  border: 1px solid #fde68a;
}
.xm-badge-initiative {
  background: #ecfdf5;
  color: #059669;
  border: 1px solid #a7f3d0;
}
.xm-badge-kpi {
  background: #ede9fe;
  color: #7c3aed;
  border: 1px solid #c4b5fd;
}

/* ============================================================
   LOADER
   ============================================================ */
.xm-loader {
  text-align: center;
  padding: 48px;
  color: var(--xm-text-muted);
  font-weight: 600;
}
.xm-loader .spinner {
  animation: xmSpin 1.5s linear infinite;
  display: inline-block;
  font-size: 1.5rem;
}
@keyframes xmSpin {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}

/* ============================================================
   DETAILS DRAWER
   ============================================================ */
.xm-drawer-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.35);
  backdrop-filter: blur(3px);
  z-index: 9998;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s;
}
.xm-drawer-overlay.active {
  opacity: 1;
  pointer-events: all;
}

.xm-drawer {
  position: fixed;
  top: 0;
  right: -480px;
  width: 440px;
  height: 100vh;
  background: var(--xm-surface);
  box-shadow: -12px 0 48px rgba(0, 0, 0, 0.12);
  z-index: 9999;
  padding: 2rem;
  overflow-y: auto;
  transition: right 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}
.xm-drawer.open {
  right: 0;
}

.xm-drawer-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 1.5rem;
}
.xm-drawer-subtitle {
  margin: 0;
  font-size: 0.82rem;
  color: var(--xm-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 600;
}
.xm-drawer-title {
  margin: 6px 0 0 0;
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--xm-text);
}
.xm-drawer-score {
  display: inline-block;
  background: var(--xm-primary-light);
  color: var(--xm-primary);
  padding: 4px 12px;
  border-radius: 8px;
  font-weight: 700;
  font-size: 0.85rem;
  margin-top: 10px;
}
.xm-drawer-close {
  background: #f1f5f9;
  border: none;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: #475569;
  transition: background 0.15s;
  flex-shrink: 0;
}
.xm-drawer-close:hover {
  background: #e2e8f0;
}

.xm-drawer-section {
  margin-bottom: 1.5rem;
}
.xm-drawer-section h4 {
  margin: 0 0 10px 0;
  font-size: 0.95rem;
  color: #334155;
  border-bottom: 2px solid #f1f5f9;
  padding-bottom: 8px;
}
.xm-drawer-list {
  list-style: none;
  padding: 0;
  margin: 0;
}
.xm-drawer-list li {
  background: var(--xm-surface-alt);
  padding: 10px 14px;
  border-radius: 8px;
  margin-bottom: 6px;
  font-size: 0.88rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.xm-drawer-list li strong {
  color: var(--xm-text);
}

/* ============================================================
   EMPTY STATE
   ============================================================ */
.xm-empty {
  padding: 40px 20px;
  text-align: center;
  color: var(--xm-text-muted);
  font-weight: 500;
}
.xm-empty-icon {
  font-size: 2.5rem;
  margin-bottom: 12px;
  opacity: 0.4;
}

/* ============================================================
   SUMMARY STATS ROW
   ============================================================ */
.xm-stats-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 14px;
  margin-bottom: 1.5rem;
}

.xm-stat-card {
  background: var(--xm-surface);
  border: 1px solid var(--xm-border);
  border-radius: 14px;
  padding: 16px 20px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.02);
  transition: var(--xm-transition);
}
.xm-stat-card:hover {
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.05);
  transform: translateY(-1px);
}
.xm-stat-label {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--xm-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.xm-stat-value {
  font-size: 1.65rem;
  font-weight: 700;
  color: var(--xm-text);
  line-height: 1.2;
}
.xm-stat-hint {
  font-size: 0.78rem;
  color: #94a3b8;
}

/* ============================================================
   PRINT / EXPORT STYLES
   ============================================================ */
@media print {
  body {
    background: white !important;
    color: black !important;
    zoom: 55%;
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
  }

  .topbar,
  #topbar,
  .xm-filter-bar,
  .xm-tabs,
  .xm-hero .xm-actions,
  .xm-drawer-overlay,
  .xm-drawer,
  .xm-toggle-group {
    display: none !important;
  }

  .xm-container {
    padding: 0;
    margin: 0;
    max-width: 100%;
  }

  .xm-hero {
    padding: 1rem 0;
  }

  .xm-hero-left h1 {
    -webkit-text-fill-color: #0f172a;
    color: #0f172a;
    font-size: 1.5rem;
  }

  .xm-heatmap-card {
    box-shadow: none;
    padding: 0;
    border: none;
    page-break-inside: avoid;
    margin-bottom: 24px;
  }

  .xm-table-wrapper {
    max-height: none !important;
    overflow: visible !important;
    border: 1px solid #ccc;
  }

  .xm-pane {
    display: block !important;
    margin-bottom: 32px;
    page-break-inside: avoid;
  }

  .xm-cell.corr-strong::after {
    background: #000000 !important;
    box-shadow: none !important;
  }
  .xm-cell.corr-weak::after {
    background: #888888 !important;
    box-shadow: none !important;
  }

  .xm-badge {
    border: 1px solid #999 !important;
  }

  .xm-stats-row .xm-stat-card {
    box-shadow: none;
    border: 1px solid #ccc;
  }
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1200px) {
  .xm-filter-bar {
    gap: 10px;
  }
  .xm-filter-group {
    min-width: 140px;
  }
}

@media (max-width: 768px) {
  .xm-hero {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }
  .xm-tabs {
    flex-wrap: wrap;
  }
  .xm-filter-bar {
    flex-direction: column;
  }
  .xm-filter-group {
    min-width: 100%;
  }
  .xm-stats-row {
    grid-template-columns: 1fr 1fr;
  }
}