@import url('https://fonts.googleapis.com/css2?family=Bungee&family=Syne+Mono&display=swap');

* { margin: 0; padding: 0; box-sizing: border-box; }
body { min-height: 100vh; background: #101018; font-family: 'Syne Mono', monospace; color: #e0e0e0; user-select: none; }
#nw-app { min-height: 100vh; padding: 16px; position: relative; display: flex; flex-direction: column; align-items: center; }
#nw-level { font-size: 0.75rem; margin-bottom: 4px; color: #f0d880; text-align: center; }
#nw-brief { font-size: 0.68rem; opacity: 0.7; margin-bottom: 10px; text-align: center; max-width: 420px; }
.nw-node--decoy { border-color: #805060; opacity: 0.85; }
#nw-canvas-wrap { position: relative; width: 400px; max-width: 100%; height: 200px; margin-bottom: 12px; }
#nw-svg { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; }
#nw-svg line { stroke: #5865f2; stroke-width: 3; }
#nw-nodes { position: absolute; inset: 0; }
.nw-node {
  position: absolute; padding: 12px 16px; font-family: 'Bungee', cursive; font-size: 0.65rem;
  background: #2a2a40; border: 2px solid #5865f2; color: #fff; border-radius: 8px; cursor: pointer;
  min-width: 96px; text-align: center;
}
.nw-node.selected { border-color: #f0d880; box-shadow: 0 0 12px rgba(240,216,128,0.4); }
#nw-hint { font-size: 0.7rem; opacity: 0.7; margin-bottom: 12px; text-align: center; max-width: 420px; line-height: 1.45; }
#nw-actions { display: flex; gap: 10px; flex-wrap: wrap; justify-content: center; margin-bottom: 20px; }
#nw-validate { font-family: 'Syne Mono', monospace; padding: 12px 24px; background: #2a4030; border: 1px solid #4a8060; color: #a0e0a0; border-radius: 6px; cursor: pointer; }
#nw-clear { font-family: 'Syne Mono', monospace; padding: 12px 24px; background: #302028; border: 1px solid #805060; color: #e0a0b0; border-radius: 6px; cursor: pointer; }
.nw-screen { position: fixed; inset: 0; z-index: 20; display: none; flex-direction: column; align-items: center; justify-content: center; padding: 24px; text-align: center; background: rgba(8,8,16,0.96); }
.nw-screen.active { display: flex; }
.nw-credit { font-size: 0.65rem; letter-spacing: 0.35em; text-transform: uppercase; opacity: 0.7; margin-bottom: 12px; color: #c8a84b; }
h1 { font-family: 'Bungee', cursive; font-size: clamp(1.3rem, 4vw, 2rem); color: #f0d880; margin-bottom: 12px; }
.nw-tagline { font-size: 0.85rem; margin-bottom: 8px; }
.nw-sub { font-size: 0.75rem; opacity: 0.65; margin-bottom: 12px; max-width: 400px; line-height: 1.5; }
.nw-start-level { font-size: 0.72rem; color: #f0d880; opacity: 0.8; margin-bottom: 18px; }
#nw-over button { margin: 6px; }
button { font-family: 'Syne Mono', monospace; font-size: 0.75rem; padding: 12px 28px; color: #fff; background: #2a2040; border: 1px solid rgba(200,168,75,0.4); border-radius: 6px; cursor: pointer; }
.nw-exit { position: fixed; bottom: 12px; right: 14px; font-size: 0.7rem; color: rgba(200,168,75,0.6); text-decoration: none; }