/* ==========================================================================
   PNS ACTIVITY HEATMAP (JOURS ACTIFS / CONTRIBUTIONS GRID)
   Modern, compact, professional GitHub-like calendar heatmap for PNS
   ========================================================================== */

:root {
  --pns-heat-cell-size: 11px;
  --pns-heat-cell-gap: 3px;
  --pns-heat-radius: 2.5px;
  --pns-heat-border: rgba(148, 163, 184, 0.28);
  --pns-heat-bg-card: rgba(255, 255, 255, 0.7);
  --pns-heat-card-border: rgba(226, 232, 240, 0.8);
}

[data-theme="dark"],
body[data-theme="dark"],
html[data-theme="dark"] {
  --pns-heat-border: rgba(255, 255, 255, 0.12);
  --pns-heat-bg-card: rgba(15, 23, 42, 0.55);
  --pns-heat-card-border: rgba(255, 255, 255, 0.08);
}

/* Palette: Classic Medical Blue (Default) */
.pns-heat-palette-blue {
  --heat-lvl-0: transparent;
  --heat-lvl-1: #93c5fd;
  --heat-lvl-2: #60a5fa;
  --heat-lvl-3: #3b82f6;
  --heat-lvl-4: #2563eb;
  --heat-lvl-5: #1d4ed8;
  --heat-lvl-6: #1e3a8a;
  --heat-accent: #2563eb;
}
[data-theme="dark"] .pns-heat-palette-blue {
  --heat-lvl-1: rgba(96, 165, 250, 0.35);
  --heat-lvl-2: rgba(96, 165, 250, 0.55);
  --heat-lvl-3: rgba(59, 130, 246, 0.75);
  --heat-lvl-4: #2563eb;
  --heat-lvl-5: #1d4ed8;
  --heat-lvl-6: #38bdf8;
  --heat-accent: #38bdf8;
}

/* Palette: Emerald / Green */
.pns-heat-palette-emerald {
  --heat-lvl-0: transparent;
  --heat-lvl-1: #a7f3d0;
  --heat-lvl-2: #6ee7b7;
  --heat-lvl-3: #34d399;
  --heat-lvl-4: #10b981;
  --heat-lvl-5: #059669;
  --heat-lvl-6: #064e3b;
  --heat-accent: #10b981;
}
[data-theme="dark"] .pns-heat-palette-emerald {
  --heat-lvl-1: rgba(52, 211, 153, 0.30);
  --heat-lvl-2: rgba(52, 211, 153, 0.50);
  --heat-lvl-3: rgba(16, 185, 129, 0.70);
  --heat-lvl-4: #10b981;
  --heat-lvl-5: #059669;
  --heat-lvl-6: #34d399;
  --heat-accent: #34d399;
}

/* Palette: Purple / Amethyst */
.pns-heat-palette-purple {
  --heat-lvl-0: transparent;
  --heat-lvl-1: #ddd6fe;
  --heat-lvl-2: #c4b5fd;
  --heat-lvl-3: #a78bfa;
  --heat-lvl-4: #8b5cf6;
  --heat-lvl-5: #7c3aed;
  --heat-lvl-6: #4c1d95;
  --heat-accent: #8b5cf6;
}
[data-theme="dark"] .pns-heat-palette-purple {
  --heat-lvl-1: rgba(167, 139, 250, 0.30);
  --heat-lvl-2: rgba(167, 139, 250, 0.50);
  --heat-lvl-3: rgba(139, 92, 246, 0.70);
  --heat-lvl-4: #8b5cf6;
  --heat-lvl-5: #7c3aed;
  --heat-lvl-6: #c084fc;
  --heat-accent: #c084fc;
}

/* Palette: Cyan / Ocean */
.pns-heat-palette-cyan {
  --heat-lvl-0: transparent;
  --heat-lvl-1: #a5f3fc;
  --heat-lvl-2: #67e8f9;
  --heat-lvl-3: #22d3ee;
  --heat-lvl-4: #06b6d4;
  --heat-lvl-5: #0891b2;
  --heat-lvl-6: #164e63;
  --heat-accent: #06b6d4;
}
[data-theme="dark"] .pns-heat-palette-cyan {
  --heat-lvl-1: rgba(34, 211, 238, 0.30);
  --heat-lvl-2: rgba(34, 211, 238, 0.50);
  --heat-lvl-3: rgba(6, 182, 212, 0.70);
  --heat-lvl-4: #06b6d4;
  --heat-lvl-5: #0891b2;
  --heat-lvl-6: #67e8f9;
  --heat-accent: #67e8f9;
}

/* Palette: Amber / Warm Gold */
.pns-heat-palette-amber {
  --heat-lvl-0: transparent;
  --heat-lvl-1: #fde68a;
  --heat-lvl-2: #fcd34d;
  --heat-lvl-3: #fbbf24;
  --heat-lvl-4: #f59e0b;
  --heat-lvl-5: #d97706;
  --heat-lvl-6: #78350f;
  --heat-accent: #f59e0b;
}
[data-theme="dark"] .pns-heat-palette-amber {
  --heat-lvl-1: rgba(251, 191, 36, 0.30);
  --heat-lvl-2: rgba(251, 191, 36, 0.50);
  --heat-lvl-3: rgba(245, 158, 11, 0.70);
  --heat-lvl-4: #f59e0b;
  --heat-lvl-5: #d97706;
  --heat-lvl-6: #fde68a;
  --heat-accent: #fbbf24;
}

/* ==========================================================================
   MAIN CONTAINER
   ========================================================================== */
.pns-activity-heatmap-card {
  width: 100%;
  margin: 0 0 10px 0;
  padding: 8px 12px;
  background: var(--pns-heat-bg-card);
  border: 1px solid var(--pns-heat-card-border);
  border-radius: 12px;
  box-sizing: border-box;
  font-family: var(--font-main, 'Plus Jakarta Sans', system-ui, sans-serif);
  position: relative;
  overflow: visible;
}

/* Top bar: title + year navigation + action icons */
.pns-heatmap-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 6px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--pns-heat-card-border);
  gap: 10px;
}

.pns-heatmap-title-wrap {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.pns-heatmap-title-icon {
  width: 22px;
  height: 22px;
  border-radius: 6px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(37,99,235,0.18), rgba(6,182,212,0.14));
  color: var(--heat-accent, #2563eb);
  font-size: 11px;
}

.pns-heatmap-title-text {
  font-size: 13px;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--text-main, #1e293b);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

[data-theme="dark"] .pns-heatmap-title-text {
  color: #f1f5f9;
}

.pns-heatmap-mode-tag {
  display: none !important;
}

/* Actions on Right: Year Nav + Search Icon + Settings Icon */
.pns-heatmap-actions {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.pns-heatmap-year-selector {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  background: rgba(148, 163, 184, 0.12);
  border: 1px solid var(--pns-heat-card-border);
  border-radius: 7px;
  padding: 1px 3px;
}

[data-theme="dark"] .pns-heatmap-year-selector {
  background: rgba(255, 255, 255, 0.05);
}

.pns-heatmap-year-btn {
  width: 20px;
  height: 20px;
  border: none;
  background: transparent;
  color: var(--text-muted, #64748b);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
  cursor: pointer;
  border-radius: 4px;
  transition: all 0.15s ease;
}
.pns-heatmap-year-btn:hover {
  background: rgba(37, 99, 235, 0.15);
  color: var(--heat-accent, #2563eb);
}

.pns-heatmap-year-label {
  font-size: 11.5px;
  font-weight: 800;
  padding: 0 4px;
  color: var(--text-main, #1e293b);
  user-select: none;
}
[data-theme="dark"] .pns-heatmap-year-label {
  color: #e2e8f0;
}

.pns-heatmap-icon-btn {
  width: 24px;
  height: 24px;
  border-radius: 6px;
  border: 1px solid var(--pns-heat-card-border);
  background: rgba(148, 163, 184, 0.10);
  color: var(--text-muted, #64748b);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  cursor: pointer;
  transition: all 0.15s ease;
}

[data-theme="dark"] .pns-heatmap-icon-btn {
  background: rgba(255, 255, 255, 0.05);
}

.pns-heatmap-icon-btn:hover {
  background: rgba(37, 99, 235, 0.15);
  border-color: var(--heat-accent, #2563eb);
  color: var(--heat-accent, #2563eb);
  transform: translateY(-1px);
}

/* ==========================================================================
   HEATMAP CONTENT LAYOUT: Left Stats Box + Right Calendar Grid
   ========================================================================== */
.pns-heatmap-content-row {
  display: flex;
  align-items: stretch;
  gap: 12px;
  width: 100%;
}

/* Left Stats Box */
.pns-heatmap-left-stats {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-width: 165px;
  max-width: 175px;
  padding: 6px 10px;
  background: rgba(148, 163, 184, 0.08);
  border: 1px solid var(--pns-heat-card-border);
  border-radius: 9px;
  box-sizing: border-box;
  flex-shrink: 0;
  gap: 4px;
}

.pns-heat-stats-col {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.pns-heat-stats-col-2 {
  border-top: 1px dashed var(--pns-heat-card-border);
  padding-top: 3px;
}

[data-theme="dark"] .pns-heatmap-left-stats {
  background: rgba(255, 255, 255, 0.03);
}

.pns-heat-stat-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 11px;
  padding: 2px 0;
}

.pns-heat-stat-label {
  color: var(--text-muted, #64748b);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

[data-theme="dark"] .pns-heat-stat-label {
  color: #94a3b8;
}

.pns-heat-stat-val {
  font-weight: 800;
  color: var(--heat-accent, #2563eb);
  font-variant-numeric: tabular-nums;
  font-size: 11.5px;
}

.pns-heat-stat-active-days {
  margin-top: 3px;
  padding-top: 4px;
  border-top: 1px dashed var(--pns-heat-card-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 10.5px;
}
.pns-heat-stat-active-days .pns-heat-stat-label {
  font-weight: 700;
}
.pns-heat-stat-active-days .pns-heat-stat-val {
  color: #10b981;
}

/* Right Grid Area */
.pns-heatmap-grid-scroll-wrap {
  flex: 1;
  min-width: 0;
  overflow-x: auto;
  overflow-y: hidden;
  scrollbar-width: thin;
  padding-bottom: 2px;
}

.pns-heatmap-grid-scroll-wrap::-webkit-scrollbar {
  height: 4px;
}
.pns-heatmap-grid-scroll-wrap::-webkit-scrollbar-thumb {
  background: rgba(148, 163, 184, 0.35);
  border-radius: 99px;
}

.pns-heatmap-grid-table {
  display: flex;
  flex-direction: column;
  width: max-content;
  user-select: none;
}

/* Month labels row */
.pns-heatmap-months-row {
  display: flex;
  height: 14px;
  font-size: 9.5px;
  font-weight: 700;
  color: var(--text-muted, #64748b);
  position: relative;
  margin-left: 20px;
  margin-bottom: 3px;
}

.pns-heatmap-month-label {
  position: absolute;
  white-space: nowrap;
}

/* Grid Body: Day labels column + Weeks columns */
.pns-heatmap-body-wrap {
  display: flex;
  align-items: flex-start;
  gap: 4px;
}

/* Day labels on left */
.pns-heatmap-day-labels {
  display: flex;
  flex-direction: column;
  gap: var(--pns-heat-cell-gap);
  width: 16px;
  font-size: 8.5px;
  font-weight: 700;
  color: var(--text-muted, #64748b);
  line-height: var(--pns-heat-cell-size);
}

.pns-heatmap-day-label {
  height: var(--pns-heat-cell-size);
  display: flex;
  align-items: center;
  justify-content: flex-end;
}

/* 52-53 Week Columns */
.pns-heatmap-weeks-columns {
  display: flex;
  gap: var(--pns-heat-cell-gap);
}

.pns-heatmap-week-col {
  display: flex;
  flex-direction: column;
  gap: var(--pns-heat-cell-gap);
}

/* Individual Day Cell Square */
.pns-heat-cell {
  width: var(--pns-heat-cell-size);
  height: var(--pns-heat-cell-size);
  border-radius: var(--pns-heat-radius);
  border: 1px solid var(--pns-heat-border);
  background: transparent;
  box-sizing: border-box;
  cursor: pointer;
  transition: transform 0.1s ease, border-color 0.1s ease, box-shadow 0.1s ease;
  position: relative;
}

.pns-heat-cell.is-outside-year {
  opacity: 0;
  pointer-events: none;
  border-color: transparent !important;
}

.pns-heat-cell:hover:not(.is-outside-year) {
  transform: scale(1.35);
  z-index: 10;
  border-color: var(--heat-accent, #2563eb) !important;
  box-shadow: 0 0 6px rgba(37, 99, 235, 0.45);
}

/* Activity Levels */
.pns-heat-cell[data-level="0"] {
  background: var(--heat-lvl-0);
}
.pns-heat-cell[data-level="1"] {
  background: var(--heat-lvl-1);
  border-color: rgba(37, 99, 235, 0.35);
}
.pns-heat-cell[data-level="2"] {
  background: var(--heat-lvl-2);
  border-color: rgba(37, 99, 235, 0.45);
}
.pns-heat-cell[data-level="3"] {
  background: var(--heat-lvl-3);
  border-color: rgba(37, 99, 235, 0.60);
}
.pns-heat-cell[data-level="4"] {
  background: var(--heat-lvl-4);
  border-color: rgba(37, 99, 235, 0.80);
}
.pns-heat-cell[data-level="5"] {
  background: var(--heat-lvl-5);
  border-color: rgba(29, 78, 216, 0.95);
}
.pns-heat-cell[data-level="6"] {
  background: var(--heat-lvl-6);
  border-color: var(--heat-accent, #2563eb);
}

/* Today indicator border */
.pns-heat-cell.is-today {
  outline: 1.5px solid var(--heat-accent, #2563eb);
  outline-offset: 1px;
}

/* Legend & Footer bar */
.pns-heatmap-footer-row {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 6px;
  margin-top: 4px;
  font-size: 9.5px;
  color: var(--text-muted, #64748b);
  user-select: none;
}

.pns-heat-legend-cells {
  display: inline-flex;
  align-items: center;
  gap: 3px;
}

.pns-heat-legend-cell {
  width: 9px;
  height: 9px;
  border-radius: 2px;
  border: 1px solid var(--pns-heat-border);
}

/* ==========================================================================
   TOOLTIP & CLICK DETAIL CARD (FLOATING)
   ========================================================================== */
.pns-heat-tooltip {
  position: fixed;
  z-index: 99999;
  background: #0f172a;
  color: #fff;
  padding: 5px 9px;
  border-radius: 6px;
  font-size: 11px;
  font-weight: 700;
  pointer-events: none;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.35);
  border: 1px solid rgba(255, 255, 255, 0.15);
  white-space: nowrap;
  opacity: 0;
  transform: translateY(4px);
  transition: opacity 0.12s ease, transform 0.12s ease;
}
.pns-heat-tooltip.show {
  opacity: 1;
  transform: translateY(0);
}

/* Click Detail Popover Card */
.pns-heat-popover {
  position: fixed;
  z-index: 99998;
  background: var(--bg-card, #ffffff);
  color: var(--text-main, #1e293b);
  padding: 12px 14px;
  border-radius: 12px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.30);
  border: 1px solid var(--border-color, rgba(148, 163, 184, 0.28));
  width: 250px;
  box-sizing: border-box;
  animation: heatPopIn 0.16s ease-out;
}

[data-theme="dark"] .pns-heat-popover {
  background: #0f172a;
  color: #f1f5f9;
  border-color: rgba(255, 255, 255, 0.15);
}

@keyframes heatPopIn {
  from { opacity: 0; transform: scale(0.95); }
  to { opacity: 1; transform: scale(1); }
}

.pns-heat-popover-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--pns-heat-card-border);
}

.pns-heat-popover-date {
  font-size: 12px;
  font-weight: 800;
  color: var(--text-main, #1e293b);
}
[data-theme="dark"] .pns-heat-popover-date {
  color: #f8fafc;
}

.pns-heat-popover-close {
  background: transparent;
  border: none;
  color: var(--text-muted, #64748b);
  cursor: pointer;
  font-size: 12px;
  padding: 2px 4px;
  border-radius: 4px;
}
.pns-heat-popover-close:hover {
  background: rgba(148, 163, 184, 0.2);
  color: var(--text-main);
}

.pns-heat-popover-score-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
}

.pns-heat-popover-score-badge {
  font-size: 20px;
  font-weight: 900;
  color: var(--heat-accent, #2563eb);
}

.pns-heat-popover-level-chip {
  font-size: 10.5px;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 99px;
  background: rgba(37, 99, 235, 0.12);
  color: var(--heat-accent, #2563eb);
}

.pns-heat-popover-modules {
  font-size: 11px;
  max-height: 120px;
  overflow-y: auto;
  margin-top: 6px;
}

.pns-heat-popover-mod-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 3px 0;
  border-bottom: 1px dashed rgba(148, 163, 184, 0.15);
}

/* Modals for Search & Settings */
.pns-heat-modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.45);
  z-index: 100000;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: heatFadeIn 0.15s ease-out;
}

@keyframes heatFadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.pns-heat-modal-card {
  background: var(--bg-card, #ffffff);
  color: var(--text-main, #1e293b);
  border-radius: 14px;
  padding: 18px 20px;
  width: 90%;
  max-width: 380px;
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.35);
  border: 1px solid var(--border-color, rgba(148, 163, 184, 0.28));
  box-sizing: border-box;
}

[data-theme="dark"] .pns-heat-modal-card {
  background: #0f172a;
  color: #f1f5f9;
  border-color: rgba(255, 255, 255, 0.14);
}

.pns-heat-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
}

.pns-heat-modal-title {
  font-size: 14.5px;
  font-weight: 800;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.pns-heat-palette-options {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
  margin-bottom: 14px;
}

.pns-heat-palette-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  border-radius: 8px;
  border: 1px solid var(--border-color, rgba(148, 163, 184, 0.25));
  background: rgba(148, 163, 184, 0.08);
  color: var(--text-main);
  cursor: pointer;
  font-size: 11.5px;
  font-weight: 700;
  transition: all 0.15s ease;
}

[data-theme="dark"] .pns-heat-palette-btn {
  background: rgba(255, 255, 255, 0.04);
  color: #e2e8f0;
}

.pns-heat-palette-btn.active,
.pns-heat-palette-btn:hover {
  border-color: var(--heat-accent, #2563eb);
  background: rgba(37, 99, 235, 0.12);
}

.pns-heat-palette-dot {
  width: 14px;
  height: 14px;
  border-radius: 99px;
  flex-shrink: 0;
}

.pns-heat-date-input-wrap {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 14px;
}

.pns-heat-date-input {
  width: 100%;
  padding: 9px 12px;
  border-radius: 8px;
  border: 1px solid var(--border-color, rgba(148, 163, 184, 0.28));
  background: var(--bg-input, #f8fafc);
  color: var(--text-main);
  font-size: 13px;
  font-weight: 600;
  box-sizing: border-box;
}

[data-theme="dark"] .pns-heat-date-input {
  background: rgba(255, 255, 255, 0.06);
  color: #f1f5f9;
}

.pns-heat-search-result {
  padding: 10px;
  border-radius: 8px;
  background: rgba(37, 99, 235, 0.08);
  border: 1px solid rgba(37, 99, 235, 0.20);
  font-size: 12px;
  margin-bottom: 12px;
}

@media (max-width: 768px) {
  .pns-activity-heatmap-card {
    max-width: 100% !important;
    overflow: hidden !important;
    padding: 8px 10px !important;
    box-sizing: border-box !important;
  }
  .pns-heatmap-topbar {
    gap: 6px !important;
  }
  .pns-heatmap-content-row {
    flex-direction: column !important;
    gap: 10px !important;
    width: 100% !important;
    max-width: 100% !important;
    min-width: 0 !important;
    box-sizing: border-box !important;
  }
  .pns-heatmap-grid-scroll-wrap {
    width: 100% !important;
    max-width: 100% !important;
    min-width: 0 !important;
    box-sizing: border-box !important;
  }
  .pns-heatmap-left-stats {
    width: 100% !important;
    max-width: 100% !important;
    min-width: unset !important;
    display: grid !important;
    grid-template-columns: 1fr 1fr !important;
    gap: 8px !important;
    background: transparent !important;
    border: none !important;
    padding: 0 !important;
  }
  .pns-heat-stats-col {
    display: flex !important;
    flex-direction: column !important;
    justify-content: space-between !important;
    gap: 4px !important;
    padding: 6px 8px !important;
    background: rgba(148, 163, 184, 0.08) !important;
    border: 1px solid var(--pns-heat-card-border) !important;
    border-radius: 9px !important;
    box-sizing: border-box !important;
    margin: 0 !important;
    min-width: 0 !important;
  }
  .pns-heat-stats-col-2 {
    border-top: 1px solid var(--pns-heat-card-border) !important;
    padding-top: 6px !important;
    margin-top: 0 !important;
  }
  [data-theme="dark"] .pns-heat-stats-col {
    background: rgba(255, 255, 255, 0.04) !important;
  }
  .pns-heat-stat-item {
    display: flex !important;
    align-items: center !important;
    justify-content: space-between !important;
    gap: 4px !important;
    padding: 2px 0 !important;
    flex: unset !important;
    min-width: 0 !important;
  }
  .pns-heat-stat-label {
    font-size: 10px !important;
    font-weight: 600 !important;
    white-space: nowrap !important;
    overflow: hidden !important;
    text-overflow: ellipsis !important;
    gap: 3px !important;
  }
  .pns-heat-stat-label i {
    font-size: 10px !important;
  }
  .pns-heat-stat-val {
    font-size: 11px !important;
    font-weight: 800 !important;
    flex-shrink: 0 !important;
  }
  .pns-heat-stat-active-days {
    border-top: none !important;
    margin-top: 0 !important;
    padding-top: 0 !important;
  }
}