/* ── Project Map: 4-Pillar Linear Circuit Architecture ──
       Interactive sandbox inside #skills toggled via Map view */

    #skills .skills-cyber-layout .pm-toggle {
      position: absolute;
      top: -56px;
      right: 0;
      z-index: 4;
      display: inline-flex;
      align-items: center;
      gap: 9px;
      padding: 9px 18px;
      border: 1px solid color-mix(in srgb, var(--cyan) 45%, transparent);
      border-radius: 6px;
      background: rgba(9, 15, 23, 0.72);
      backdrop-filter: blur(14px);
      -webkit-backdrop-filter: blur(14px);
      color: var(--cyan);
      font: 600 0.76rem var(--font-mono);
      letter-spacing: 0.06em;
      cursor: pointer;
      -webkit-appearance: none;
      appearance: none;
      transition: background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease, box-shadow 0.2s ease;
      box-shadow: 0 4px 18px rgba(0, 0, 0, 0.28);
    }

    html[data-theme="light"] #skills .skills-cyber-layout .pm-toggle {
      background: rgba(255, 255, 255, 0.85);
      color: #006782;
      border-color: rgba(0, 103, 130, 0.45);
      box-shadow: 0 4px 16px rgba(15, 23, 42, 0.08);
    }

    #skills .skills-cyber-layout .pm-toggle:hover,
    #skills .skills-cyber-layout .pm-toggle[aria-pressed="true"] {
      background: color-mix(in srgb, var(--cyan) 16%, transparent);
      border-color: var(--cyan);
      box-shadow: 0 0 20px color-mix(in srgb, var(--cyan) 30%, transparent);
    }

    #skills .skills-cyber-layout .pm-toggle:focus-visible {
      outline: 2px solid var(--cyan);
      outline-offset: 3px;
    }

    /* Grid slot replacement */
    .pm-pane {
      grid-column: 2;
      min-width: 0;
      scroll-margin-top: 140px;
    }

    .pm-pane[hidden] { display: none; }

    .skills-cyber-layout.is-map .skills-cards-grid { display: none; }

    /* Give the board the entire section, without the list-view sidebar. */
    #skills .skills-cyber-layout.is-map {
      width: min(1600px, 100%);
      max-width: none;
      display: block;
    }

    #skills .skills-cyber-layout.is-map .skills-sidebar { display: none; }

    /* The Board Container */
    .pm-board {
      --pm-board: #070b10;
      --pm-line: rgba(255, 255, 255, 0.12);
      --pm-grid: rgba(0, 229, 255, 0.06);
      --pm-text: var(--text);
      --pm-copy: var(--muted2);
      --pm-muted: var(--muted);
      --pm-card: rgba(13, 20, 29, 0.82);
      --pm-card-border: rgba(255, 255, 255, 0.14);
      --pm-card-hover: rgba(0, 229, 255, 0.55);
      --pm-trace: rgba(0, 229, 255, 0.35);
      --pm-trace-on: #00e5ff;
      --pm-trace-pulse: rgba(0, 229, 255, 0.95);
      --pm-amber: #e6a855;
      --pm-callout-bg: rgba(0, 229, 255, 0.04);
      --pm-callout-border: rgba(0, 229, 255, 0.2);
      position: relative;
      border: 1px solid var(--pm-line);
      border-radius: 12px;
      background: var(--pm-board);
      box-shadow: 0 24px 80px rgba(0, 0, 0, 0.5);
      overflow: hidden;
    }

    html[data-theme="light"] .pm-board {
      --pm-board: #f4f7f9;
      --pm-line: rgba(15, 23, 42, 0.16);
      --pm-grid: rgba(0, 103, 130, 0.07);
      --pm-text: #0f172a;
      --pm-copy: #334155;
      --pm-muted: #64748b;
      --pm-card: rgba(255, 255, 255, 0.94);
      --pm-card-border: rgba(15, 23, 42, 0.16);
      --pm-card-hover: rgba(0, 103, 130, 0.6);
      --pm-trace: rgba(0, 103, 130, 0.35);
      --pm-trace-on: #006782;
      --pm-trace-pulse: #0082a5;
      --pm-amber: #b86e18;
      --pm-callout-bg: rgba(0, 103, 130, 0.04);
      --pm-callout-border: rgba(0, 103, 130, 0.22);
      box-shadow: 0 20px 60px rgba(15, 23, 42, 0.12);
    }

    /* Board Top Bar */
    .pm-bar {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      padding: 12px 20px;
      border-bottom: 1px solid var(--pm-line);
      background: rgba(255, 255, 255, 0.02);
      font-family: var(--font-body);
      font-size: 0.85rem;
      font-weight: 500;
      color: var(--pm-text);
      letter-spacing: normal;
    }

    .pm-bar-end { display: flex; align-items: center; gap: 18px; }

    .pm-hint {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      color: var(--pm-muted);
      font-weight: 500;
    }

    .pm-reset {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 5px 12px;
      border: 1px solid var(--pm-line);
      border-radius: 4px;
      background: transparent;
      color: var(--pm-text);
      font: inherit;
      cursor: pointer;
      -webkit-appearance: none;
      appearance: none;
      transition: border-color 0.2s ease, color 0.2s ease, background-color 0.2s ease;
    }

    .pm-reset:hover,
    .pm-reset:focus-visible {
      border-color: var(--pm-trace-on);
      color: var(--pm-trace-on);
      background: rgba(0, 229, 255, 0.06);
    }

    .pm-reset:focus-visible,
    .pm-scroll:focus-visible,
    .pm-node:focus-visible {
      outline: 2px solid var(--pm-trace-on);
      outline-offset: 3px;
    }

    /* Scrollable Canvas Region */
    .pm-scroll {
      position: relative;
      overflow-x: auto;
      overflow-y: hidden;
      scrollbar-width: thin;
      scrollbar-color: var(--pm-line) transparent;
      overscroll-behavior-x: contain;
    }

    .pm-canvas {
      position: relative;
      width: 100%;
      min-height: 360px;
      background-image:
        radial-gradient(var(--pm-grid) 1.5px, transparent 1.5px);
      background-size: 24px 24px;
      overflow: hidden;
    }

    /* SVG Connector Line Layer */
    .pm-links {
      position: absolute;
      inset: 0;
      width: 100%;
      height: 100%;
      pointer-events: none;
      overflow: visible;
    }

    .pm-link-base {
      fill: none;
      stroke: var(--pm-trace);
      stroke-width: 2.2;
      stroke-linecap: round;
      stroke-linejoin: round;
      stroke-dasharray: 6 6;
      transition: stroke 0.25s ease, opacity 0.25s ease, stroke-width 0.25s ease;
    }

    .pm-link-active {
      fill: none;
      stroke: var(--pm-trace-on);
      stroke-width: 2.8;
      stroke-linecap: round;
      stroke-dasharray: 8 8;
      animation: pm-pulse 1.2s linear infinite;
      filter: drop-shadow(0 0 6px var(--pm-trace-pulse));
    }

    @keyframes pm-pulse {
      to { stroke-dashoffset: -16; }
    }

    .pm-via-dot {
      fill: var(--pm-board);
      stroke: var(--pm-trace);
      stroke-width: 2.5;
      transition: stroke 0.2s ease, fill 0.2s ease;
    }

    .pm-via-dot.is-on {
      stroke: var(--pm-trace-on);
      fill: var(--pm-trace-on);
      filter: drop-shadow(0 0 8px var(--pm-trace-on));
    }

    /* ── The 4 Modern Pillar Cards ── */
    .pm-node.pm-pillar {
      position: absolute;
      top: 0;
      left: 0;
      width: var(--pm-card-width, 295px);
      padding: 14px 16px;
      border-radius: 10px;
      border: 1px solid var(--pm-card-border);
      background: var(--pm-card);
      backdrop-filter: blur(16px);
      -webkit-backdrop-filter: blur(16px);
      color: var(--pm-text);
      box-shadow: 0 12px 36px rgba(0, 0, 0, 0.35);
      cursor: grab;
      user-select: none;
      -webkit-user-select: none;
      touch-action: none;
      will-change: transform;
      transition: border-color 0.25s ease, box-shadow 0.25s ease, opacity 0.2s ease;
      z-index: 3;
    }

    .pm-node.pm-pillar:hover {
      border-color: var(--pm-card-hover);
      box-shadow: 0 18px 48px rgba(0, 0, 0, 0.45), 0 0 24px color-mix(in srgb, var(--cyan) 18%, transparent);
    }

    .pm-node.pm-pillar.is-dragging {
      cursor: grabbing;
      box-shadow: 0 24px 60px rgba(0, 0, 0, 0.6), 0 0 32px color-mix(in srgb, var(--cyan) 35%, transparent);
      border-color: var(--pm-trace-on);
      z-index: 10 !important;
    }

    .pm-canvas.is-resetting .pm-node.pm-pillar {
      transition: transform 0.65s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.2s ease;
    }

    /* Card Top Bar (Kicker + Drag Grip) */
    .pm-node-top {
      display: flex;
      align-items: center;
      justify-content: space-between;
      margin-bottom: 12px;
    }

    .pm-kicker {
      display: inline-block;
      padding: 3px 8px;
      border-radius: 4px;
      background: color-mix(in srgb, var(--cyan) 12%, transparent);
      color: var(--cyan);
      font: 600 0.64rem var(--font-mono);
      letter-spacing: 0.08em;
      text-transform: uppercase;
      border: 1px solid color-mix(in srgb, var(--cyan) 25%, transparent);
    }

    html[data-theme="light"] .pm-kicker {
      background: rgba(0, 103, 130, 0.08);
      color: #006782;
      border-color: rgba(0, 103, 130, 0.25);
    }

    .pm-node-top {
      display: flex;
      align-items: center;
      justify-content: space-between;
      margin-bottom: 8px;
    }

    .pm-grip {
      display: grid;
      grid-template-columns: repeat(3, 3px);
      gap: 3px;
      opacity: 0.35;
      transition: opacity 0.2s ease;
    }

    .pm-node.pm-pillar:hover .pm-grip,
    .pm-node.pm-pillar.is-dragging .pm-grip {
      opacity: 0.9;
    }

    .pm-grip span {
      width: 3px;
      height: 3px;
      border-radius: 50%;
      background: var(--pm-text);
    }

    /* Card Title & Description */
    .pm-node.pm-pillar h3.pm-title,
    .pm-node.pm-pillar .pm-title {
      display: block !important;
      margin: 0 0 6px !important;
      font: 600 0.98rem/1.4 var(--font-display) !important;
      color: var(--pm-text) !important;
      -webkit-text-fill-color: var(--pm-text) !important;
      background: none !important;
      text-shadow: none !important;
      animation: none !important;
      letter-spacing: var(--heading-tracking);
    }

    .pm-desc {
      margin: 0 0 10px;
      color: var(--pm-copy);
      font: 400 0.78rem/1.5 var(--font-body);
    }

    /* Technology Tag Chips */
    .pm-chips {
      display: flex;
      flex-wrap: wrap;
      gap: 5px;
      margin-bottom: 12px;
    }

    .pm-chips span {
      padding: 3px 8px;
      border-radius: 4px;
      background: rgba(255, 255, 255, 0.05);
      border: 1px solid rgba(255, 255, 255, 0.08);
      color: var(--pm-copy);
      font: 500 0.65rem var(--font-mono);
    }

    html[data-theme="light"] .pm-chips span {
      background: rgba(15, 23, 42, 0.05);
      border-color: rgba(15, 23, 42, 0.1);
    }

    /* Inset Project Detail & Inspection Block */
    .pm-project-callout {
      padding: 10px 12px;
      border-radius: 6px;
      background: var(--pm-callout-bg);
      border: 1px solid var(--pm-callout-border);
      transition: border-color 0.2s ease, background-color 0.2s ease;
    }

    .pm-node.pm-pillar:hover .pm-project-callout {
      border-color: color-mix(in srgb, var(--cyan) 45%, transparent);
      background: color-mix(in srgb, var(--cyan) 8%, transparent);
    }

    .pm-callout-meta {
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 8px;
      margin-bottom: 4px;
    }

    .pm-callout-label {
      font: 600 0.62rem var(--font-mono);
      letter-spacing: 0.06em;
      text-transform: uppercase;
      color: var(--pm-amber);
    }

    /* Inspect Button: triggers openProjectModal */
    .pm-inspect-btn {
      display: inline-flex;
      align-items: center;
      gap: 4px;
      padding: 2px 8px;
      border-radius: 3px;
      border: 1px solid color-mix(in srgb, var(--cyan) 40%, transparent);
      background: rgba(0, 229, 255, 0.1);
      color: var(--cyan);
      font: 600 0.64rem var(--font-mono);
      cursor: pointer;
      -webkit-appearance: none;
      appearance: none;
      transition: background-color 0.15s ease, color 0.15s ease, border-color 0.15s ease;
    }

    html[data-theme="light"] .pm-inspect-btn {
      background: rgba(0, 103, 130, 0.1);
      color: #006782;
      border-color: rgba(0, 103, 130, 0.35);
    }

    .pm-inspect-btn:hover,
    .pm-inspect-btn:focus-visible {
      background: var(--cyan);
      color: #07090c;
      border-color: var(--cyan);
    }

    html[data-theme="light"] .pm-inspect-btn:hover {
      background: #006782;
      color: #ffffff;
      border-color: #006782;
    }

    .pm-project-title {
      font: 600 0.88rem/1.4 var(--font-display);
      color: var(--pm-text);
      margin-bottom: 6px;
    }

    .pm-project-sub {
      margin-top: 4px;
      padding-top: 6px;
      border-top: 1px dashed rgba(255, 255, 255, 0.08);
    }

    html[data-theme="light"] .pm-project-sub {
      border-top-color: rgba(15, 23, 42, 0.1);
    }

    .pm-sub-pill {
      border: none;
      background: transparent;
      padding: 0;
      color: var(--pm-muted);
      font: 500 0.7rem var(--font-mono);
      cursor: pointer;
      text-align: left;
      transition: color 0.15s ease;
    }

    .pm-sub-pill:hover,
    .pm-sub-pill:focus-visible {
      color: var(--cyan);
      text-decoration: underline;
      text-underline-offset: 2px;
    }

    /* Responsive adjustments */
    @media (max-width: 1120px) {
      #skills .skills-cyber-layout .pm-toggle { top: -52px; }
      .pm-pane { grid-column: 1 / -1; }
    }

    @media (max-width: 760px) {
      .pm-bar-end .pm-hint { display: none; }
      .pm-bar { padding: 12px; gap: 8px; }
      .pm-node.pm-pillar { cursor: default; touch-action: auto; }
    }

    @media (prefers-reduced-motion: reduce) {
      .pm-link-active { animation: none; }
      .pm-canvas.is-resetting .pm-node.pm-pillar { transition: none; }
    }

/* Picture-style navigation floats at the sides of the drag surface. */
.pm-node.pm-pillar[hidden] { display: none; }
.pm-stage { position: relative; }
.pm-page-status {
  display: inline-flex;
  align-items: center;
  margin-left: 10px;
  padding: 2px 9px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--pm-muted);
  font-family: var(--font-body);
  font-size: 0.76rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  white-space: nowrap;
}
html[data-theme="light"] .pm-page-status {
  background: rgba(15, 23, 42, 0.05);
  border-color: rgba(15, 23, 42, 0.1);
  color: #475569;
}
.pm-page-btn {
  appearance: none;
  -webkit-appearance: none;
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 15;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  padding: 0;
  border: none;
  border-radius: 50%;
  background: transparent;
  color: var(--pm-muted);
  cursor: pointer;
  box-shadow: none;
  transition: color 0.2s ease, transform 0.2s ease, background-color 0.2s ease;
}
.pm-page-btn svg {
  width: 28px;
  height: 28px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2.2;
  stroke-linecap: round;
  stroke-linejoin: round;
  display: block;
  pointer-events: none;
}
.pm-page-prev { left: 4px; }
.pm-page-next { right: 4px; }
.pm-page-btn:hover:not([aria-disabled="true"]):not(:disabled) {
  color: var(--cyan);
  background: rgba(0, 229, 255, 0.08);
  transform: translateY(-50%) scale(1.1);
}
html[data-theme="light"] .pm-page-btn:hover:not([aria-disabled="true"]):not(:disabled) {
  color: #0891b2;
  background: rgba(8, 145, 178, 0.1);
}
.pm-page-btn:focus-visible {
  outline: 2px solid var(--pm-trace-on);
  outline-offset: 2px;
}
.pm-page-btn[aria-disabled="true"], .pm-page-btn:disabled {
  opacity: .2;
  cursor: default;
  pointer-events: none;
}
.pm-project-title { font-family: var(--font-body); }
@media (max-width: 480px) {
  .pm-page-status { display: inline-flex; margin-left: 6px; font-size: .72rem; }
}

@media (max-width: 640px) {
  .pm-bar { flex-wrap: wrap; gap: 8px; }
  .pm-bar-end { margin-left: auto; }
  .pm-reset { min-height: 44px; padding-inline: 10px; }
  .pm-stage .pm-page-btn { top: 22px; }
  .pm-stage .pm-page-prev { left: 12px; }
  .pm-stage .pm-page-next { right: 12px; }
  .pm-node.pm-pillar { padding: 14px; }
  .pm-node .pm-grip { display: none; }
  .pm-inspect-btn { min-height: 44px; padding-inline: 10px; }
  .pm-sub-pill { min-height: 44px; line-height: 1.5; }
  .pm-project-sub { margin-top: 0; padding-top: 0; }
}

@media (max-width: 640px) {
  #skills .skills-cyber-layout { gap: 20px; }
  #skills .skills-cyber-layout .skills-sidebar { grid-row: 1; }
  #skills .skills-cyber-layout .pm-toggle {
    position: static;
    grid-row: 2;
    justify-self: start;
    min-height: 44px;
  }
  #skills .skills-cyber-layout .skills-cards-grid { grid-row: 3; gap: 16px; }
  #skills .skills-cyber-layout.is-map .pm-toggle { margin-bottom: 16px; }
}

@media (max-width: 640px) {
  .pm-project-callout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    column-gap: 8px;
  }
  .pm-callout-meta { display: contents; }
  .pm-callout-label { grid-column: 1; grid-row: 1; align-self: end; }
  .pm-inspect-btn { grid-column: 2; grid-row: 1 / span 2; align-self: center; }
  .pm-project-title { grid-column: 1; grid-row: 2; margin: 4px 0 6px; }
  .pm-project-sub { grid-column: 1 / -1; }
}