/* ── Canvas page layout ──────────────────────────────────────────── */

.canvas-page {
  display: flex;
  flex-direction: column;
  height: 100vh;
  overflow: hidden;
  background: var(--bg);
}

/* ── Top bar ─────────────────────────────────────────────────────── */

.cv-topbar {
  height: 48px;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 16px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-1);
  flex-shrink: 0;
  z-index: 50;
}

.cv-tb-back {
  display: flex;
  align-items: center;
  gap: 7px;
  font-family: var(--f-mono);
  font-size: 10px;
  letter-spacing: 0.06em;
  color: var(--text-3);
  cursor: pointer;
  padding: 5px 8px;
  border-radius: 6px;
  transition: color var(--t), background var(--t);
  white-space: nowrap;
}
.cv-tb-back:hover { color: var(--text-2); background: rgba(255,255,255,0.05); }

.cv-tb-sep {
  width: 1px;
  height: 18px;
  background: var(--border);
  flex-shrink: 0;
}

.cv-tb-center {
  display: flex;
  flex-direction: column;
  gap: 1px;
  min-width: 0;
}

.cv-tb-title-row {
  display: flex;
  align-items: center;
  gap: 7px;
}

.cv-tb-title {
  font-family: var(--f-display);
  font-size: 13px;
  font-weight: 700;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 340px;
}

.cv-tb-pencil {
  color: var(--text-3);
  flex-shrink: 0;
  opacity: 0.5;
}

.cv-tb-cat {
  font-family: var(--f-mono);
  font-size: 8.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-3);
}

.cv-tb-spacer { flex: 1; }

.cv-tb-actions {
  display: flex;
  align-items: center;
  gap: 4px;
}

.cv-tb-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 11px;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-3);
  font-family: var(--f-mono);
  font-size: 10px;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: var(--t);
  white-space: nowrap;
}
.cv-tb-btn:hover { border-color: var(--border-h); color: var(--text-2); background: rgba(255,255,255,0.04); }

.cv-tb-btn-share {
  border-color: var(--green-b);
  background: var(--green-dim);
  color: var(--green);
}
.cv-tb-btn-share:hover { background: rgba(0,224,116,0.18); color: var(--green); }

/* ── Body row ────────────────────────────────────────────────────── */

.canvas-body {
  display: flex;
  flex: 1;
  overflow: hidden;
}

/* ── Left sidebar ────────────────────────────────────────────────── */

.cv-sidebar {
  width: 68px;
  flex-shrink: 0;
  background: var(--bg-1);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 12px 0;
  gap: 2px;
  overflow: hidden;
  z-index: 10;
}

.cv-sb-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  width: 52px;
  padding: 8px 4px;
  border-radius: 8px;
  cursor: pointer;
  color: var(--text-3);
  transition: color var(--t), background var(--t);
  text-decoration: none;
}
.cv-sb-item:hover { color: var(--green); background: rgba(0,224,116,0.07); }

.cv-sb-item span {
  font-family: var(--f-mono);
  font-size: 7.5px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  line-height: 1;
  color: inherit;
}

.cv-sb-divider {
  width: 28px;
  height: 1px;
  background: var(--border);
  margin: 4px 0;
}

.cv-sb-ai {
  color: var(--green);
  opacity: 0.75;
}
.cv-sb-ai:hover { opacity: 1; background: rgba(0,224,116,0.1); }

/* ── Canvas viewport ─────────────────────────────────────────────── */

.cv-viewport {
  flex: 1;
  position: relative;
  overflow: hidden;
  cursor: default;
  user-select: none;
  background: #0d1210;
}

/* Dot grid */
.cv-viewport::before {
  content: '';
  position: absolute;
  inset: -200px;
  background-image: radial-gradient(circle, rgba(255,255,255,0.055) 1px, transparent 1px);
  background-size: 28px 28px;
  pointer-events: none;
  z-index: 0;
}

/* ── SVG connection layer ────────────────────────────────────────── */

.cv-svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  overflow: visible;
  pointer-events: none;
  z-index: 1;
}

/* Trunk edges — solid white */
.cv-conn {
  fill: none;
  stroke: #ffffff;
  stroke-width: 1.5;
  opacity: 0.4;
}

/* Dim edges — subtle white */
.cv-conn-dim {
  fill: none;
  stroke: #ffffff;
  stroke-width: 1;
  opacity: 0.14;
}

/* ── Inner transform layer ───────────────────────────────────────── */

.cv-inner {
  position: absolute;
  top: 0;
  left: 0;
  transform-origin: 0 0;
  will-change: transform;
  z-index: 2;
}

/* ── Nodes ───────────────────────────────────────────────────────── */

.cv-node {
  position: absolute;
  background: #131916;
  border: 1px solid rgba(255,255,255,0.09);
  border-radius: 12px;
  min-width: 200px;
  cursor: grab;
  transition: box-shadow var(--t), border-color var(--t);
  z-index: 3;
  overflow: visible;
}

.cv-node:hover {
  border-color: rgba(255,255,255,0.18);
  box-shadow: 0 8px 40px rgba(0,0,0,0.55), 0 0 0 1px rgba(0,224,116,0.06);
  z-index: 10;
}

.cv-node.dragging {
  cursor: grabbing;
  z-index: 20;
  box-shadow: 0 20px 60px rgba(0,0,0,0.65);
}

/* Resize handle — bottom-right corner */
.cv-resize-handle {
  position: absolute;
  bottom: 4px;
  right: 4px;
  width: 12px;
  height: 12px;
  cursor: nwse-resize;
  opacity: 0;
  transition: opacity 0.18s ease;
  z-index: 10;
}
.cv-resize-handle::after {
  content: '';
  position: absolute;
  right: 0;
  bottom: 0;
  width: 8px;
  height: 8px;
  border-right: 2px solid rgba(255,255,255,0.35);
  border-bottom: 2px solid rgba(255,255,255,0.35);
  border-radius: 0 0 3px 0;
}
.cv-node:hover .cv-resize-handle { opacity: 1; }

/* Colored left accent bar */
.cv-node::before {
  content: '';
  position: absolute;
  left: 0;
  top: 14px;
  bottom: 14px;
  width: 2.5px;
  border-radius: 0 2px 2px 0;
  background: var(--node-color, var(--text-3));
  opacity: 0.5;
  transition: opacity var(--t);
}
.cv-node:hover::before { opacity: 0.9; }

/* Node header */
.cv-node-head {
  padding: 10px 14px 9px 18px;
  border-bottom: 1px solid rgba(255,255,255,0.07);
  position: relative;
}

.cv-node-label {
  font-family: var(--f-mono);
  font-size: 8.5px;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-2);
  margin-bottom: 2px;
}

.cv-node-title {
  font-family: var(--f-display);
  font-size: 13px;
  font-weight: 700;
  line-height: 1.3;
  color: var(--text);
}

/* Node body */
.cv-node-body {
  padding: 11px 14px 13px 18px;
}

.cv-text {
  font-family: var(--f-mono);
  font-size: 10px;
  line-height: 1.75;
  color: var(--text-2);
}

.cv-textarea {
  width: 100%;
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 7px;
  padding: 9px;
  font-family: var(--f-mono);
  font-size: 10px;
  line-height: 1.7;
  color: var(--text-2);
  resize: none;
  outline: none;
  min-height: 90px;
  transition: border-color var(--t);
}
.cv-textarea:focus { border-color: rgba(0,224,116,0.3); color: var(--text); }

.cv-input {
  width: 100%;
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 7px;
  padding: 7px 10px;
  font-family: var(--f-mono);
  font-size: 10px;
  color: var(--text-2);
  outline: none;
  transition: border-color var(--t);
  margin-bottom: 8px;
}
.cv-input:focus { border-color: rgba(0,224,116,0.3); color: var(--text); }
.cv-input::placeholder { color: var(--text-3); }

/* Aspect badge */
.cv-aspect {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 9px;
  border-radius: 5px;
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.08);
  font-family: var(--f-mono);
  font-size: 8.5px;
  color: var(--text-2);
  margin-top: 7px;
}

.cv-aspect-dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--node-color, var(--text-3));
}

/* Credit */
.cv-credit {
  font-family: var(--f-mono);
  font-size: 9px;
  color: var(--text-3);
  text-align: right;
  margin-bottom: 8px;
}
.cv-credit b { color: var(--green); font-weight: 500; }

/* Node buttons */
.cv-btn {
  width: 100%;
  padding: 7px 12px;
  border-radius: 7px;
  font-family: var(--f-mono);
  font-size: 10px;
  font-weight: 500;
  cursor: pointer;
  transition: var(--t);
  text-align: center;
  border: 1px solid;
  margin-top: 6px;
}

.cv-btn-green {
  border-color: rgba(0,224,116,.22);
  background: rgba(0,224,116,.07);
  color: var(--green);
}
.cv-btn-green:hover { background: rgba(0,224,116,.16); box-shadow: 0 0 20px rgba(0,224,116,.18); }

.cv-btn-purple {
  border-color: rgba(110,123,255,.22);
  background: rgba(110,123,255,.07);
  color: var(--purple);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 11px;
  padding: 9px;
  margin-top: 8px;
}
.cv-btn-purple:hover { background: rgba(110,123,255,.14); box-shadow: 0 0 20px rgba(110,123,255,.18); }

/* Status dot */
.cv-status {
  position: absolute;
  top: 12px;
  right: 14px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
}
.cv-status.done   { background: var(--green); box-shadow: 0 0 7px var(--green); }
.cv-status.active { background: var(--amber); box-shadow: 0 0 7px var(--amber); animation: blink 1.5s ease infinite; }
.cv-status.idle   { background: var(--text-3); }

/* ── Bottom-left toolbar ─────────────────────────────────────────── */

.cv-toolbar {
  position: absolute;
  left: 16px;
  bottom: 16px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  z-index: 50;
}

.cv-tool {
  width: 34px;
  height: 34px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  border: 1px solid rgba(255,255,255,0.1);
  background: rgba(13,18,16,0.85);
  backdrop-filter: blur(6px);
  color: var(--text-3);
  cursor: pointer;
  transition: var(--t);
  position: relative;
}
.cv-tool:hover { border-color: var(--border-h); color: var(--text-2); background: rgba(30,40,34,0.9); }
.cv-tool.active { border-color: var(--green-b); color: var(--green); background: rgba(0,224,116,0.08); }

.cv-tool-tip {
  position: absolute;
  left: calc(100% + 9px);
  top: 50%;
  transform: translateY(-50%);
  white-space: nowrap;
  background: rgba(13,18,16,0.95);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 4px 9px;
  font-family: var(--f-mono);
  font-size: 9px;
  color: var(--text-2);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.15s;
  backdrop-filter: blur(8px);
}
.cv-tool:hover .cv-tool-tip { opacity: 1; }

/* Zoom indicator */
.cv-zoom-badge {
  position: absolute;
  right: 16px;
  bottom: 16px;
  font-family: var(--f-mono);
  font-size: 9.5px;
  color: var(--text-3);
  background: rgba(13,18,16,0.85);
  backdrop-filter: blur(6px);
  border: 1px solid rgba(255,255,255,0.09);
  border-radius: 6px;
  padding: 4px 10px;
  z-index: 50;
  letter-spacing: 0.05em;
}

/* ── Minimap ─────────────────────────────────────────────────────── */

.cv-minimap {
  position: absolute;
  right: 16px;
  bottom: 50px;
  z-index: 50;
  background: rgba(10,15,12,0.88);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 10px;
  padding: 8px;
  overflow: hidden;
  width: 204px;
}

.cv-minimap-label {
  font-family: var(--f-mono);
  font-size: 7.5px;
  letter-spacing: 0.12em;
  color: var(--text-3);
  margin-bottom: 6px;
  padding: 0 2px;
  text-transform: uppercase;
}

.cv-minimap-inner {
  position: relative;
  border-radius: 6px;
  overflow: hidden;
  background: rgba(0,0,0,0.3);
  border: 1px solid rgba(255,255,255,0.06);
  cursor: pointer;
}

#cv-minimap-canvas {
  display: block;
  width: 188px;
  height: 106px;
}

/* ── Project badge (top-left on canvas) ─────────────────────────── */

.cv-project-badge {
  position: absolute;
  left: 16px;
  top: 14px;
  display: flex;
  flex-direction: column;
  gap: 2px;
  z-index: 50;
  pointer-events: none;
}

.cv-pb-title {
  font-family: var(--f-display);
  font-size: 12px;
  font-weight: 700;
  color: rgba(240,240,248,0.5);
}

.cv-pb-cat {
  font-family: var(--f-mono);
  font-size: 8.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(96,97,124,0.7);
}

/* ── Toast notification ──────────────────────────────────────────── */

.cv-toast {
  position: fixed;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%) translateY(12px);
  background: rgba(14,20,17,0.95);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255,255,255,0.13);
  border-radius: 8px;
  padding: 9px 18px;
  font-family: var(--f-mono);
  font-size: 11px;
  color: var(--text-2);
  z-index: 200;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s, transform 0.25s;
  white-space: nowrap;
}
.cv-toast.active {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* ── Media thumbnails ────────────────────────────────────────────── */

.cv-media-thumb {
  width: 100%;
  height: 78px;
  border-radius: 7px;
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.07);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  margin-bottom: 6px;
  position: relative;
  overflow: hidden;
}

.cv-media-thumb::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.02) 0%, transparent 60%);
  pointer-events: none;
}

.cv-media-video {
  border-color: rgba(110,123,255,0.15);
  background: rgba(110,123,255,0.04);
}

.cv-media-icon { font-size: 15px; opacity: 0.4; color: var(--text-3); }
.cv-media-video .cv-media-icon { opacity: 0.65; color: var(--node-color, var(--purple)); }

.cv-media-label {
  font-family: var(--f-mono);
  font-size: 8px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-3);
}

.cv-media-caption {
  font-family: var(--f-mono);
  font-size: 8px;
  color: var(--text-3);
  opacity: 0.55;
}

.cv-media-sep {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--f-mono);
  font-size: 8px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-3);
  margin: 2px 0 6px;
}
.cv-media-sep::before, .cv-media-sep::after {
  content: '';
  flex: 1;
  height: 1px;
  background: rgba(255,255,255,0.08);
}

/* ── Frame image nodes ───────────────────────────────────────────── */

.cv-frame-img {
  width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: 7px;
  overflow: hidden;
  background: rgba(255,255,255,0.03);
  cursor: zoom-in;
}

.cv-frame-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.3s ease;
}
.cv-frame-img:hover img { transform: scale(1.05); }

/* Video output node */
.cv-frame-video {
  width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: 7px;
  overflow: hidden;
  background: rgba(255,255,255,0.03);
  margin-bottom: 8px;
}
.cv-frame-video video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* ── Lightbox ────────────────────────────────────────────────────── */

#cv-lightbox {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: none;
  align-items: center;
  justify-content: center;
}
#cv-lightbox.active { display: flex; }

.cv-lb-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.cv-lb-inner {
  position: relative;
  z-index: 1;
  max-width: 90vw;
  max-height: 90vh;
}

.cv-lb-inner img {
  max-width: 90vw;
  max-height: 90vh;
  border-radius: 10px;
  display: block;
  box-shadow: 0 32px 80px rgba(0, 0, 0, 0.85);
}

.cv-lb-close {
  position: absolute;
  top: -16px;
  right: -16px;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: rgba(14,20,17,0.9);
  border: 1px solid rgba(255,255,255,0.15);
  color: var(--text-2);
  font-size: 12px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--t);
}
.cv-lb-close:hover { color: var(--green); border-color: var(--green-b); }

/* ── Mobile: notice banner ───────────────────────────────────────── */
.mobile-notice {
  display: none;
  background: rgba(16,185,129,0.1);
  border: 1px solid rgba(16,185,129,0.3);
  padding: 12px 16px;
  margin: 12px 16px;
  border-radius: 8px;
  font-family: var(--f-mono);
  font-size: 11px;
  color: #10b981;
  text-align: center;
  line-height: 1.5;
  flex-shrink: 0;
}

/* ── Mobile: floating zoom controls ─────────────────────────────── */
.canvas-zoom-controls { display: none; }

@media (max-width: 768px) {
  .mobile-notice { display: block; }

  /* Enable touch pan on the canvas */
  .cv-viewport {
    touch-action: pan-x pan-y pinch-zoom;
  }

  /* Hide desktop-only chrome on mobile */
  .cv-minimap { display: none; }
  .cv-toolbar { display: none; }
  .cv-zoom-badge { display: none; }

  /* canvas-body becomes column so notice sits above the canvas */
  .canvas-body { flex-direction: column; }
  .cv-sidebar  { display: none; }

  .canvas-zoom-controls {
    display: flex;
    flex-direction: column;
    gap: 8px;
    position: fixed;
    bottom: 80px;
    right: 16px;
    z-index: 100;
  }
  .zoom-btn {
    width: 44px;
    height: 44px;
    background: rgba(10,13,10,0.9);
    border: 1px solid rgba(16,185,129,0.3);
    color: #10b981;
    border-radius: 8px;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    cursor: pointer;
    font-size: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s;
  }
  .zoom-btn:hover  { background: rgba(16,185,129,0.15); }
  .zoom-btn:active { transform: scale(0.93); }
}