:root {
  font-family: 'Georgia', serif;
  color: #17130f;
  --paper: #f4e4bc;
  --ink: #17130f;
  --void: #060606;
  background-color: var(--paper);
}

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

body {
  margin: 0;
  min-height: 100vh;
  background: var(--paper);
  overflow: hidden;
}

#canvas {
  position: relative;
  width: 100vw;
  height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 40px 20px;
  overflow-y: auto;
  overflow-x: hidden;
}

#thought-column {
  position: relative;
  width: 100%;
  height: 100%;
  min-height: 100vh;
  padding-bottom: 120px;
}

#void {
  position: fixed;
  top: 50%;
  left: 50%;
  width: 90px;
  height: 90px;
  transform: translate(-50%, -50%);
  background: radial-gradient(circle at 30% 30%, #151515, var(--void));
  border-radius: 50%;
  cursor: pointer;
  filter: blur(2.5px);
  transition: width 0.3s ease, height 0.3s ease, filter 0.3s ease;
  z-index: 10;
  pointer-events: auto;
}

#void:hover {
  width: 200px;
  height: 200px;
  filter: blur(0);
}

.thought {
  position: absolute;
  border: none;
  font-family: 'Georgia', serif;
  font-size: 1.2rem;
  color: #2c1810;
  padding: 6px 10px;
  border-radius: 6px;
  transition: background 0.3s ease, box-shadow 0.3s ease;
  cursor: pointer;
  white-space: pre-wrap;
  z-index: 2;
  user-select: none;
  outline: none !important;
  box-sizing: border-box;
}

.thought:hover:not(.editing) {
  background: rgba(139, 115, 85, 0.12);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.4);
}

.thought.editing {
  cursor: text;
  user-select: text;
  outline: none;
}

.thought.dragging {
  cursor: grabbing !important;
  transform: scale(1.05) !important;
  z-index: 10 !important;
  background: rgba(139, 115, 85, 0.15) !important;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.4),
    0 4px 12px rgba(0, 0, 0, 0.15) !important;
  transition: none !important;
}

.thought.launching {
  opacity: 0;
  transform: scale(0.4);
  transition: transform 0.4s ease, opacity 0.4s ease;
}


#void-portal {
  position: fixed;
  inset: 0;
  background: #010101;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.5s ease;
  overflow: hidden;
  z-index: 100;
}

#void-portal.active {
  opacity: 1;
  pointer-events: auto;
}

#draw-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 4;
  pointer-events: none;
  cursor: default;
}

#void-portal.active #draw-canvas {
  pointer-events: auto;
  cursor: crosshair;
}

#connection-svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 2;
}

#void-stream {
  position: relative;
  width: 100%;
  height: 100%;
  padding: 80px clamp(24px, 8vw, 140px) 120px;
  overflow: hidden;
  z-index: 3;
  pointer-events: none;
}

.void-thought {
  position: absolute;
  max-width: min(320px, 60vw);
  color: rgba(255, 255, 255, 0.9);
  font-size: clamp(1rem, 2vw, 1.4rem);
  opacity: 0.85;
  white-space: pre-wrap;
  word-wrap: break-word;
  transition: opacity 0.3s ease, filter 0.3s ease;
  pointer-events: none;
}

.void-thought.glowing {
  filter: drop-shadow(0 0 8px rgba(244, 228, 188, 0.6));
  opacity: 1;
  transition: filter 1.5s ease-out;
}

.void-thought.fresh {
    filter: blur(0.5px);
    filter: drop-shadow(2px 2px 8px rgba(244, 228, 188, 0.746));
    /* color: var(--paper); */
}

.void-thought.no-connections {
  filter: blur(3px);
  transition: filter 1s ease;
}

.void-thought.one-connection {
  filter: blur(2px);
  transition: filter 0.8s ease;
}

.void-thought.two-connections {
  filter: blur(1px);
  transition: filter 0.6s ease;
}

.void-thought.stable {
  filter: blur(0);
  transition: filter 0.3s ease;
}

.void-thought time {
  display: block;
  font-size: 0.75rem;
  opacity: 0;
  margin-top: 6px;
  transition: opacity 6s ease;
}

.void-thought:hover time {
  opacity: 0.5;
  transition: opacity 0.6s ease;
}

.connection-line {
  stroke: rgba(244, 228, 188, 0.5);
  stroke-width: 1;
  fill: none;
  pointer-events: stroke;
  opacity: 0.3;
  transition: opacity 0.3s ease, stroke-width 0.3s ease, filter 0.3s ease;
  cursor: pointer;
}

.connection-line:hover {
  opacity: 0.9;
  stroke-width: 1.5;
  filter: drop-shadow(0 0 4px rgba(244, 228, 188, 0.6));
}

.connection-line.multiple {
  stroke-width: 1.5;
  opacity: 0.25;
}

.connection-line.multiple:hover {
  opacity: 0.8;
  stroke-width: 2;
}

#exit-void {
  position: fixed;
  top: 50%;
  left: 50%;
  width: 80px;
  height: 80px;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  border: none;
  background: var(--paper);
  cursor: pointer;
  box-shadow: 0 10px 40px rgba(245, 236, 220, 0.4);
  transition: transform 0.3s ease, box-shadow 0.3s ease, width 0.3s ease, height 0.3s ease;
  z-index: 200;
  touch-action: manipulation;
  filter: blur(8px);
}

#exit-void:hover,
#exit-void:focus-visible {
  width: 160px;
  height: 160px;
  filter: blur(0);
  box-shadow: 0 15px 45px rgba(245, 236, 220, 0.6);
}

#exit-void:focus-visible {
  outline: 2px solid rgba(244, 228, 188, 0.8);
  outline-offset: 4px;
}

@media (max-width: 600px) {
  #thought-column {
    max-width: 100%;
    padding: 0 16px;
  }

  #void-stream {
    padding: 120px 32px 80px;
  }
}