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

:root {
  --bg: #d1c8ba;
  --node-bg: rgb(189, 177, 156);
  --node-border: rgba(255,255,255,0.08);
  --node-border-hover: rgba(255,255,255,0.25);
  --text-primary: #6d5b3c;
  --text-muted: rgba(240,237,232,0.45);
  --accent: #c8f0c0;
  --accent2: #f0c8c0;
  --accent3: #c0d4f0;
  --line-color: rgba(0, 0, 0, 0.12);
  --line-hover: rgba(200,240,192,0.5);
  --folder-glow: rgba(200,240,192,0.06);
}

html, body {
  width: 100%; height: 100%; overflow: hidden;
  background: var(--bg);
  font-family: 'DM Sans', sans-serif;
}

body {
  display: flex; align-items: center; justify-content: center;
  position: relative;
}

/* Subtle grid background */
body::before {
  content: '';
  position: fixed; inset: 0;
  background-image:
    linear-gradient(rgba(1,1,1,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(1,1,1,0.025) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}

#canvas {
  position: relative;
  width: 100vw; height: 100vh;
}

svg#lines {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  pointer-events: none;
  overflow: visible;
}

/* === CENTER LOGO === */
#center {
  position: absolute;
  width: 300px; height: 300px;
  transform: translate(-50%, -50%);
  left: 50%; top: 50%;
  z-index: 10;
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
  cursor: default;
}

#center video {
  width: 100%; height: 100%;
  object-fit: cover;
}

/* Logo placeholder (shown when no video) */
#logo-placeholder {
  width: 80px; height: 80px;
  display: flex; align-items: center; justify-content: center;
  font-family: 'Space Mono', monospace;
  font-size: 28px; font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -2px;
}

/* === FOLDER NODES === */
.folder {
  position: absolute;
  transform: translate(-50%, -50%);
  z-index: 8;
  cursor: pointer;
}

.folder-inner {
  display: flex; flex-direction: column;
  align-items: center; gap: 6px;
  padding: 14px 20px;
  border-radius: 12px;
  background: var(--node-bg);
  border: 1px solid var(--node-border);
  transition: border-color 0.3s, background 0.3s, transform 0.3s;
  position: relative;
  min-width: 100px;
}

.folder:hover .folder-inner {
  border-color: var(--node-border-hover);
  background: #c8b99a;
  transform: scale(1.05);
}

.folder-icon {
  font-size: 18px;
  line-height: 1;
}

.folder-label {
  font-family: 'Space Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  text-transform: uppercase;
  white-space: nowrap;
  transition: color 0.3s;
}

.folder:hover .folder-label { color: var(--text-primary); }

/* === LINK NODES (children) === */
.links-group {
  position: absolute;
  display: flex; flex-direction: column; gap: 8px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease, transform 0.3s ease;
  z-index: 9;
}

.folder:hover .links-group,
.folder.active .links-group {
  opacity: 1;
  pointer-events: auto;
}

.link-node {
  display: flex; align-items: center; gap: 8px;
  padding: 8px 14px;
  border-radius: 8px;
  background: rgba(189,177,156,0.95);
  border: 1px solid rgba(0,0,0,0.1);
  text-decoration: none;
  color: var(--text-primary);
  font-size: 12px;
  white-space: nowrap;
  transition: background 0.2s, border-color 0.2s, transform 0.2s;
  backdrop-filter: blur(8px);
}

.link-node:hover {
  background: rgba(200,188,165,0.98);
  border-color: rgba(0,0,0,0.2);
  transform: translateX(3px);
}

.link-dot {
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--text-primary);
  flex-shrink: 0;
}

/* === SVG LINES === */
.line-main {
  stroke: var(--line-color);
  stroke-width: 1;
  fill: none;
  transition: stroke 0.3s;
}

.line-child {
  stroke: var(--line-color);
  stroke-width: 0.75;
  fill: none;
  stroke-dasharray: 3 5;
  opacity: 0;
  transition: opacity 0.25s;
}

.folder:hover ~ svg .line-child,
.folder.active ~ svg .line-child {
  opacity: 1;
}

/* === FOLDER COLOR ACCENTS === */
.folder[data-accent="green"] .folder-inner { border-color: rgba(200,240,192,0.15); }
.folder[data-accent="green"]:hover .folder-inner { border-color: rgba(200,240,192,0.4); box-shadow: 0 0 20px rgba(200,240,192,0.08); }
.folder[data-accent="green"] .folder-label { color: rgba(200,240,192,0.5); }
.folder[data-accent="green"]:hover .folder-label { color: var(--accent); }

.folder[data-accent="coral"] .folder-inner { border-color: rgba(240,200,192,0.15); }
.folder[data-accent="coral"]:hover .folder-inner { border-color: rgba(240,200,192,0.4); box-shadow: 0 0 20px rgba(240,200,192,0.08); }
.folder[data-accent="coral"] .folder-label { color: rgba(240,200,192,0.5); }
.folder[data-accent="coral"]:hover .folder-label { color: var(--accent2); }
.folder[data-accent="coral"] .link-dot { background: var(--accent2); }

.folder[data-accent="blue"] .folder-inner { border-color: rgba(192,212,240,0.15); }
.folder[data-accent="blue"]:hover .folder-inner { border-color: rgba(192,212,240,0.4); box-shadow: 0 0 20px rgba(192,212,240,0.08); }
.folder[data-accent="blue"] .folder-label { color: rgba(192,212,240,0.5); }
.folder[data-accent="blue"]:hover .folder-label { color: var(--accent3); }
.folder[data-accent="blue"] .link-dot { background: var(--accent3); }

.folder[data-accent="amber"] .folder-inner { border-color: rgba(240,220,160,0.15); }
.folder[data-accent="amber"]:hover .folder-inner { border-color: rgba(240,220,160,0.4); box-shadow: 0 0 20px rgba(240,220,160,0.08); }
.folder[data-accent="amber"] .folder-label { color: rgba(240,220,160,0.5); }
.folder[data-accent="amber"]:hover .folder-label { color: #f0dc90; }
.folder[data-accent="amber"] .link-dot { background: #f0dc90; }

.folder[data-accent="purple"] .folder-inner { border-color: rgba(200,192,240,0.15); }
.folder[data-accent="purple"]:hover .folder-inner { border-color: rgba(200,192,240,0.4); box-shadow: 0 0 20px rgba(200,192,240,0.08); }
.folder[data-accent="purple"] .folder-label { color: rgba(200,192,240,0.5); }
.folder[data-accent="purple"]:hover .folder-label { color: #c8c0f0; }
.folder[data-accent="purple"] .link-dot { background: #c8c0f0; }

/* === HINT TEXT === */
#hint {
  position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%);
  font-family: 'Space Mono', monospace;
  font-size: 10px; letter-spacing: 0.1em;
  color: rgba(0,0,0,0.25);
  pointer-events: none;
  text-transform: uppercase;
}

/* === ENTRANCE ANIMATIONS === */
#center { animation: fadeIn 0.8s ease both; }
.folder { animation: fadeIn 0.6s ease both; }
.folder:nth-child(2) { animation-delay: 0.15s; }
.folder:nth-child(3) { animation-delay: 0.25s; }
.folder:nth-child(4) { animation-delay: 0.35s; }
.folder:nth-child(5) { animation-delay: 0.45s; }
.folder:nth-child(6) { animation-delay: 0.55s; }

@keyframes fadeIn {
  from { opacity: 0; transform: translate(-50%,-50%) scale(0.85); }
  to   { opacity: 1; transform: translate(-50%,-50%) scale(1); }
}

dotlottie-player {
  width: 100%;
  height: 100%;
}