@font-face { font-family: 'CreatoDisplay'; src: url('../assets/fonts/CreatoDisplay-Black.otf') format('opentype'); font-weight: 900; font-style: normal; font-display: swap; }
@font-face { font-family: 'CreatoDisplay'; src: url('../assets/fonts/CreatoDisplay-Light.otf') format('opentype'); font-weight: 300; font-style: normal; font-display: swap; }

:root {
  --bg: #FDFBF7;
  --text: #1a1a1a;
  --text-light: #555;
  --border: #e0ddd8;
  --font-heading: 'CreatoDisplay';
  --font-body: 'CreatoDisplay';
  --font-handwritten: 'Caveat', cursive;
  --emboss-light: rgba(255, 255, 255, 0.8);
  --emboss-shadow: rgba(0, 0, 0, 0.08);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html, body {
  height: 100%;
  width: 100%;
}

body.page-home {
  overflow: hidden;
}

body {
  font-family: var(--font-body);
  font-weight: 300;
  background-color: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a { color: var(--text); text-decoration: none; }

.site-name {
  position: fixed;
  top: 28px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10;
  opacity: 1;
  transition: opacity 0.4s ease;
}

.site-name-img {
  height: 100px;
  width: auto;
  object-fit: contain;
  user-select: none;
}

.embossed-label {
  display: inline-flex;
  flex-direction: column;
  gap: 2px;
  padding: 8px 20px;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: linear-gradient(135deg, rgba(255,255,255,0.4) 0%, rgba(255,255,255,0.1) 100%);
  box-shadow:
    1px 1px 2px var(--emboss-shadow),
    inset 0 1px 0 var(--emboss-light),
    inset 0 -1px 0 rgba(0,0,0,0.03);
  user-select: none;
}

.embossed-label .label-name {
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  text-transform: none;
  color: var(--text);
  white-space: nowrap;
}

#app {
  width: 100%;
  height: 100%;
}

.mindmap-viewport {
  position: relative;
  width: 100%;
  height: 100%;
}

.mindmap-svg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 1;
}

.mindmap-svg line {
  stroke: var(--text);
  stroke-width: 1.5;
  opacity: 1;
}

.mindmap-svg line.animating {
  stroke-dasharray: 1000;
  stroke-dashoffset: 1000;
  animation: drawLine 0.5s ease forwards;
}

@keyframes drawLine {
  to { stroke-dashoffset: 0; }
}

.mindmap-nodes-layer {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 2;
}

.mm-node {
  position: absolute;
  transform: translate(-50%, -50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  cursor: pointer;
  transition: transform 0.25s ease, opacity 0.35s ease;
  opacity: 0;
  pointer-events: none;
}

.mm-node.visible {
  opacity: 1;
  pointer-events: auto;
}

.mm-node.expanded {
  opacity: 1;
  pointer-events: auto;
}

.mm-node:hover {
  transform: translate(-50%, -50%) scale(1.06);
}

.mm-node.root-node {
  cursor: pointer;
}

.mm-node .node-fingerprint {
  width: 100px;
  height: 100px;
  transition: transform 0.3s ease;
}

.mm-node .node-fingerprint img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.mm-node.root-node:hover .node-fingerprint {
  transform: scale(1.08);
}

.mm-node .node-label-box {
  margin-top: 8px;
}

.mm-node .node-label-box .embossed-label {
  padding: 6px 14px;
  cursor: pointer;
  border: none;
  background: none;
  box-shadow: none;
  transition: transform 0.2s ease;
}

.mm-node .node-label-box .embossed-label .label-name {
  font-size: 0.65rem;
  letter-spacing: 0.1em;
}

.mm-node:focus-visible {
  outline: 2px solid var(--text);
  outline-offset: 4px;
  border-radius: 4px;
}

.mm-node.leaf-node.active .node-label-box .embossed-label {
  transform: scale(0.95);
}

.mm-node .node-hint {
  margin-top: 6px;
  font-family: var(--font-handwritten);
  font-size: 0.95rem;
  color: var(--text-light);
  opacity: 0.6;
  transition: opacity 0.3s ease;
}

.mm-node:hover .node-hint,
.mm-node:focus-visible .node-hint {
  opacity: 1;
}

.mm-node.root-node .node-hint {
  opacity: 0.6;
}

/* ── Handwritten image line layer ── */
.mindmap-lines-layer {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  z-index: 1;
  pointer-events: none;
  overflow: hidden;
}

.mm-line-img {
  position: absolute;
  height: 5px;
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
}

.mm-line-img.visible {
  opacity: 1;
}

/* SVG mindmap connection lines */
#mindmap-svg .mm-mindmap-line {
  stroke: rgba(30, 25, 20, 0.82);
  stroke-width: 1.2;
  stroke-linecap: round;
  fill: none;
  opacity: 0;
  transition: opacity 0.3s ease;
}

#mindmap-svg .mm-mindmap-line.visible {
  opacity: 1;
}

.mm-line-img img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: fill;
  pointer-events: none;
  user-select: none;
}

/* ── Handwritten image nodes ── */
.node-hw-label {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2px;
  user-select: none;
}

.node-hw-img {
  height: 14px;
  width: auto;
  display: block;
  object-fit: contain;
  user-select: none;
  pointer-events: none;
  transition: opacity 0.2s;
}

.node-hw-img.sm {
  height: 14px;
}

.mm-node:hover .node-hw-img {
  opacity: 0.7;
}

.mm-node.leaf-node.active .node-hw-img {
  opacity: 0.4;
}

@media (max-width: 768px) {
  .site-name {
    top: 16px;
  }

  .site-name .embossed-label {
    padding: 6px 14px;
  }

  .site-name .embossed-label .label-name {
    font-size: 0.65rem;
  }

  .mm-node .node-fingerprint {
    width: 70px;
    height: 70px;
  }

  .mm-node .node-label-box .embossed-label {
    padding: 5px 10px;
  }

  .mm-node .node-label-box .embossed-label .label-name {
    font-size: 0.55rem;
  }

  .node-hw-img {
    height: 12px;
  }

  .node-hw-img.sm {
    height: 12px;
  }

  .mm-line-img {
    height: 4px;
  }
}