/* ============================================================
   Bloom Builder — solarpunk / cozy-nature palette
   ============================================================ */
:root {
  --cream:        #FBF6EC;
  --cream-2:      #F3ECDC;
  --paper:        rgba(255, 255, 255, 0.72);
  --ink:          #36402F;   /* deep forest text */
  --ink-soft:     #6B7A5E;
  --leaf:         #7CB342;
  --leaf-deep:    #4F7A33;
  --moss:         #5C8A3A;
  --terracotta:   #E07A5F;
  --terracotta-d: #C25C44;
  --sun:          #F2B441;
  --sky:          #9AD0E0;
  --shadow:       0 10px 30px rgba(58, 74, 47, 0.16);
  --shadow-sm:    0 4px 14px rgba(58, 74, 47, 0.12);
  --radius:       16px;
  --radius-sm:    11px;
  --rail-w:       273px;
  --bar-h:        62px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  height: 100%;
  overflow: hidden;
  font-family: "Quicksand", system-ui, -apple-system, sans-serif;
  color: var(--ink);
  background: var(--cream);
  -webkit-font-smoothing: antialiased;
}

body {
  display: grid;
  grid-template-columns: var(--rail-w) 1fr;
  grid-template-rows: var(--bar-h) 1fr;
  grid-template-areas:
    "top top"
    "side main";
  height: 100vh;
}

/* grid items must be allowed to shrink below content width, or no-wrap
   topbar buttons force the whole layout wider than the window */
.topbar, .sidebar, .viewport { min-width: 0; }

/* ===================== Top bar ===================== */
.topbar {
  grid-area: top;
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 0 16px;
  overflow-x: auto;
  background: linear-gradient(180deg, #ffffff 0%, var(--cream) 100%);
  border-bottom: 1px solid rgba(124, 179, 66, 0.22);
  box-shadow: var(--shadow-sm);
  z-index: 10;
}

.menu-toggle {
  display: none;
  font-size: 22px;
  border: 1px solid rgba(124,179,66,.28);
  background: #fff;
  border-radius: 10px;
  padding: 5px 10px;
  cursor: pointer;
}
.brand { display: flex; align-items: center; gap: 10px; }
.brand-mark {
  font-size: 28px;
  filter: drop-shadow(0 2px 3px rgba(124,179,66,.35));
}
.brand-text h1 {
  margin: 0;
  font-size: 20px;
  font-weight: 700;
  letter-spacing: .2px;
  line-height: 1;
}
.brand-text p {
  margin: 2px 0 0;
  font-size: 12px;
  color: var(--ink-soft);
  font-weight: 500;
}

.dims {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 10px;
  background: var(--paper);
  border: 1px solid rgba(124,179,66,.25);
  border-radius: var(--radius-sm);
}
.dims label {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 13px;
  font-weight: 700;
  color: var(--ink-soft);
}
.dims input {
  width: 46px;
  padding: 5px 6px;
  border: 1px solid rgba(124,179,66,.3);
  border-radius: 8px;
  background: #fff;
  font-family: inherit;
  font-weight: 600;
  font-size: 14px;
  color: var(--ink);
  text-align: center;
}
.dims input:focus { outline: 2px solid var(--leaf); border-color: var(--leaf); }
.dims-x { color: var(--ink-soft); font-weight: 700; }

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: auto;
}
.divider {
  width: 1px; height: 26px;
  background: rgba(124,179,66,.25);
  margin: 0 2px;
}

/* ===================== Buttons ===================== */
.btn {
  font-family: inherit;
  font-weight: 600;
  font-size: 14px;
  border: none;
  border-radius: var(--radius-sm);
  padding: 9px 13px;
  cursor: pointer;
  color: var(--ink);
  background: #fff;
  border: 1px solid rgba(124,179,66,.28);
  transition: transform .08s ease, box-shadow .15s ease, background .15s ease;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-1px); box-shadow: var(--shadow-sm); }
.btn:active { transform: translateY(0); }
.btn-soft { background: linear-gradient(180deg,#fff, var(--cream-2)); }
.btn-primary {
  color: #fff;
  background: linear-gradient(180deg, var(--leaf), var(--leaf-deep));
  border-color: var(--leaf-deep);
}
.btn-ghost {
  background: transparent;
  border-color: transparent;
  font-size: 20px;
  padding: 6px 11px;
}
.btn-ghost:hover { background: var(--paper); }
.btn-ghost:disabled { opacity: .35; cursor: default; transform: none; box-shadow: none; }
.btn-danger {
  color: #fff;
  background: linear-gradient(180deg, var(--terracotta), var(--terracotta-d));
  border-color: var(--terracotta-d);
}

/* ===================== Sidebar ===================== */
.sidebar {
  grid-area: side;
  padding: 14px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
  background:
    radial-gradient(120% 80% at 0% 0%, rgba(154,208,224,.16), transparent 60%),
    var(--cream);
  border-right: 1px solid rgba(124,179,66,.18);
}
.sidebar::-webkit-scrollbar { width: 8px; }
.sidebar::-webkit-scrollbar-thumb { background: rgba(124,179,66,.35); border-radius: 8px; }

.panel {
  background: var(--paper);
  backdrop-filter: blur(6px);
  border: 1px solid rgba(255,255,255,.6);
  border-radius: var(--radius);
  padding: 13px;
  box-shadow: var(--shadow-sm);
}
.panel-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 10px; }
.panel-head .panel-title { margin: 0; }
.panel-title {
  margin: 0 0 10px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  color: var(--ink-soft);
}
.mini-btn {
  width: 24px; height: 24px;
  display: flex; align-items: center; justify-content: center;
  font-size: 18px; line-height: 1;
  border: 1px solid rgba(124,179,66,.3);
  background: #fff;
  border-radius: 8px;
  cursor: pointer;
  color: var(--leaf-deep);
}
.mini-btn:hover { background: var(--cream-2); }

/* Tool toggle */
.tool-group { display: flex; gap: 7px; }
.tool {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
  padding: 9px 4px;
  font-family: inherit;
  font-size: 13px;
  font-weight: 600;
  color: var(--ink-soft);
  background: #fff;
  border: 1.5px solid rgba(124,179,66,.2);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all .14s ease;
}
.tool span { font-size: 20px; }
.tool:hover { border-color: var(--leaf); color: var(--ink); }
.tool.active {
  color: #fff;
  background: linear-gradient(180deg, var(--leaf), var(--leaf-deep));
  border-color: var(--leaf-deep);
  box-shadow: 0 4px 12px rgba(124,179,66,.35);
}

/* Magnet / brush size */
.brush-row { display: flex; align-items: center; gap: 8px; margin-top: 9px; }
.brush-label {
  font-size: 11px; font-weight: 700; letter-spacing: .5px;
  text-transform: uppercase; color: var(--ink-soft);
}
.brush-group { display: flex; gap: 5px; flex: 1; }
.brush {
  flex: 1;
  padding: 6px 0;
  font-family: inherit;
  font-size: 12px;
  font-weight: 700;
  color: var(--ink-soft);
  background: #fff;
  border: 1.5px solid rgba(124,179,66,.2);
  border-radius: 9px;
  cursor: pointer;
  transition: all .12s ease;
}
.brush:hover { border-color: var(--leaf); color: var(--ink); }
.brush.active {
  color: #fff;
  background: linear-gradient(180deg, var(--sun), #e0a02f);
  border-color: #d8991f;
}
.brush-row-wrap { align-items: flex-start; flex-direction: column; gap: 7px; }
.brush-hint { font-weight: 500; color: var(--ink-soft); }
.size-grid { display: grid; grid-template-columns: repeat(9, 1fr); gap: 4px; width: 100%; }
.size-grid .brush { flex: none; padding: 6px 0; font-size: 12px; }

.ground-options { display: flex; gap: 7px; flex-wrap: wrap; }
.ground-opt {
  width: 30px; height: 30px; border-radius: 8px;
  border: 2px solid rgba(255,255,255,.85);
  box-shadow: 0 2px 5px rgba(58,74,47,.18);
  cursor: pointer; transition: transform .1s ease;
}
.ground-opt:hover { transform: scale(1.08); }
.ground-opt.active { outline: 3px solid var(--ink); outline-offset: 1px; }

.hint {
  margin: 9px 0 0;
  font-size: 12px;
  color: var(--ink-soft);
  line-height: 1.4;
}

/* Material swatches */
.swatches {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 8px;
}
.swatch {
  position: relative;
  aspect-ratio: 1;
  border-radius: 10px;
  border: 2px solid rgba(255,255,255,.85);
  cursor: pointer;
  box-shadow: 0 2px 5px rgba(58,74,47,.18);
  transition: transform .1s ease;
}
.swatch:hover { transform: scale(1.08); }
.swatch.active {
  outline: 3px solid var(--ink);
  outline-offset: 1px;
  transform: scale(1.06);
}
.swatch .tip {
  position: absolute;
  bottom: calc(100% + 6px);
  left: 50%;
  transform: translateX(-50%);
  background: var(--ink);
  color: #fff;
  font-size: 11px;
  font-weight: 600;
  padding: 3px 7px;
  border-radius: 6px;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity .12s ease;
}
.swatch:hover .tip { opacity: 1; }

/* Templates */
.templates { display: grid; grid-template-columns: 1fr 1fr; gap: 7px; }
.tpl {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 8px 9px;
  font-family: inherit;
  font-size: 13px;
  font-weight: 600;
  color: var(--ink);
  background: #fff;
  border: 1px solid rgba(124,179,66,.22);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all .12s ease;
  text-align: left;
}
.tpl span { font-size: 18px; }
.tpl:hover { border-color: var(--leaf); transform: translateY(-1px); box-shadow: var(--shadow-sm); }

/* Layers */
.layers { display: flex; flex-direction: column; gap: 6px; }
.layer-row {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 7px 8px;
  background: #fff;
  border: 1.5px solid rgba(124,179,66,.2);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all .12s ease;
}
.layer-row:hover { border-color: rgba(124,179,66,.5); }
.layer-row.active {
  border-color: var(--leaf-deep);
  background: linear-gradient(180deg, #fff, #f2f7e9);
  box-shadow: 0 2px 8px rgba(124,179,66,.2);
}
.layer-row.hidden .layer-name { opacity: .4; text-decoration: line-through; }
.layer-eye, .layer-del {
  border: none;
  background: transparent;
  cursor: pointer;
  font-size: 15px;
  line-height: 1;
  padding: 2px;
  border-radius: 6px;
  flex: 0 0 auto;
}
.layer-eye:hover, .layer-del:hover { background: rgba(58,74,47,.08); }
.layer-name {
  flex: 1 1 auto;
  font-size: 13px;
  font-weight: 600;
  color: var(--ink);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.layer-count {
  flex: 0 0 auto;
  font-size: 11px;
  font-weight: 700;
  color: var(--ink-soft);
  background: rgba(124,179,66,.16);
  padding: 1px 7px;
  border-radius: 999px;
}

.layer-row.dragging { opacity: .45; }
.layer-row.drop-above { box-shadow: inset 0 3px 0 var(--leaf-deep); }
.layer-row.drop-below { box-shadow: inset 0 -3px 0 var(--leaf-deep); }
.layer-grip {
  flex: 0 0 auto;
  cursor: grab;
  color: var(--ink-soft);
  font-size: 13px;
  line-height: 1;
  padding: 2px 1px;
  user-select: none;
}
.layer-grip:active { cursor: grabbing; }
.layer-name input {
  width: 100%;
  font-family: inherit;
  font-size: 13px;
  font-weight: 600;
  color: var(--ink);
  border: 1px solid var(--leaf);
  border-radius: 6px;
  padding: 1px 4px;
  background: #fff;
}

/* Nudge the active layer's blocks */
.layer-move {
  margin-top: 8px;
  padding-top: 8px;
  border-top: 1px dashed rgba(124,179,66,.3);
}
.layer-move-label { font-size: 11px; font-weight: 700; color: var(--ink-soft); margin-bottom: 6px; }
.move-pad { display: flex; gap: 6px; }
.move-set { display: flex; gap: 3px; align-items: center; }
.move-set .axis { font-size: 11px; font-weight: 700; color: var(--ink-soft); margin: 0 1px; }
.move-btn {
  width: 26px; height: 26px;
  display: flex; align-items: center; justify-content: center;
  font-size: 13px;
  border: 1px solid rgba(124,179,66,.28);
  background: #fff;
  border-radius: 8px;
  cursor: pointer;
  color: var(--ink);
}
.move-btn:hover { background: var(--cream-2); border-color: var(--leaf); }

.view-group { display: grid; grid-template-columns: 1fr 1fr; gap: 7px; }
.view-group .btn { padding: 8px; font-size: 13px; }
.view-group .btn.off { opacity: .5; }

/* ===================== Sidebar resizer ===================== */
.resizer {
  position: absolute;
  top: var(--bar-h);
  bottom: 0;
  left: var(--rail-w);
  width: 10px;
  margin-left: -5px;
  cursor: col-resize;
  z-index: 15;
  touch-action: none;
}
.resizer::after {
  content: "";
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 3px; height: 46px;
  border-radius: 3px;
  background: rgba(124,179,66,.4);
  transition: background .15s ease, height .15s ease;
}
.resizer:hover::after, .resizer.active::after { background: var(--leaf-deep); height: 70px; }

/* ===================== Viewport ===================== */
.viewport { grid-area: main; position: relative; overflow: hidden; }
#scene { display: block; width: 100%; height: 100%; touch-action: none; }

.readout {
  position: absolute;
  top: 12px; left: 12px;
  display: flex; gap: 8px;
  padding: 7px 13px;
  background: var(--paper);
  backdrop-filter: blur(6px);
  border: 1px solid rgba(255,255,255,.6);
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  color: var(--ink);
  box-shadow: var(--shadow-sm);
  pointer-events: none;
}
.readout-sep { color: var(--ink-soft); }

.controls-hint {
  position: absolute;
  bottom: 12px; left: 50%;
  transform: translateX(-50%);
  padding: 7px 16px;
  background: var(--paper);
  backdrop-filter: blur(6px);
  border: 1px solid rgba(255,255,255,.6);
  border-radius: 999px;
  font-size: 13px;
  color: var(--ink-soft);
  box-shadow: var(--shadow-sm);
  pointer-events: none;
  white-space: nowrap;
}
.controls-hint strong { color: var(--ink); font-weight: 700; }

/* ===================== Size modal ===================== */
.modal {
  position: fixed;
  inset: 0;
  background: rgba(54, 64, 47, 0.32);
  backdrop-filter: blur(3px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 200;
}
.modal[hidden] { display: none; }
.modal-card {
  width: 320px;
  max-width: 90vw;
  background: var(--cream);
  border: 1px solid rgba(124,179,66,.3);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow);
  animation: pop .15s ease;
}
@keyframes pop { from { transform: scale(.94); opacity: 0; } to { transform: scale(1); opacity: 1; } }
.modal-card h3 { margin: 0 0 6px; font-size: 17px; font-weight: 700; }
.modal-hint { margin: 0 0 14px; font-size: 13px; color: var(--ink-soft); line-height: 1.4; }
.modal-hint strong { color: var(--ink); }
.modal-card input {
  width: 100%;
  padding: 11px 13px;
  border: 1.5px solid rgba(124,179,66,.35);
  border-radius: var(--radius-sm);
  background: #fff;
  font-family: inherit;
  font-weight: 700;
  font-size: 18px;
  color: var(--ink);
  text-align: center;
}
.modal-card input:focus { outline: 2px solid var(--leaf); border-color: var(--leaf); }
.modal-actions { display: flex; gap: 10px; margin-top: 16px; }
.modal-actions .btn { flex: 1; padding: 11px; font-size: 14px; }

/* Toast */
.toast {
  position: fixed;
  bottom: 24px; left: 50%;
  transform: translate(-50%, 20px);
  background: var(--ink);
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  padding: 11px 18px;
  border-radius: 12px;
  box-shadow: var(--shadow);
  opacity: 0;
  pointer-events: none;
  transition: opacity .2s ease, transform .2s ease;
  z-index: 100;
}
.toast.show { opacity: 1; transform: translate(-50%, 0); }

/* ===================== Shape + orientation + toggles ===================== */
.shape-btn {
  flex: 1;
  padding: 6px 0;
  font-family: inherit; font-size: 12px; font-weight: 700;
  color: var(--ink-soft);
  background: #fff;
  border: 1.5px solid rgba(124,179,66,.2);
  border-radius: 9px;
  cursor: pointer;
  transition: all .12s ease;
}
.shape-btn:hover { border-color: var(--leaf); color: var(--ink); }
.shape-btn.active {
  color: #fff;
  background: linear-gradient(180deg, var(--leaf), var(--leaf-deep));
  border-color: var(--leaf-deep);
}

.orient-row { margin-top: 11px; }
.orient-readout { font-size: 12px; color: var(--ink-soft); margin-top: 6px; }
.orient-readout strong { color: var(--ink); }

.toggle {
  display: flex; align-items: center; gap: 8px;
  font-size: 13px; font-weight: 600; color: var(--ink);
  cursor: pointer; margin-top: 6px;
}
.toggle input { width: 16px; height: 16px; accent-color: var(--leaf-deep); cursor: pointer; }
.toggle-strong { margin-top: 12px; padding: 8px 10px; background: #fff; border: 1.5px solid rgba(124,179,66,.25); border-radius: var(--radius-sm); }

/* ===================== Topbar: donate / supporter ===================== */
.btn-donate {
  color: #fff;
  background: linear-gradient(180deg, #ff8fb0, #e0648a);
  border-color: #d0577d;
  font-weight: 700;
}
.supporter-badge {
  font-size: 10px; font-weight: 700;
  color: #fff; background: linear-gradient(180deg,#ff8fb0,#e0648a);
  padding: 2px 7px; border-radius: 999px; vertical-align: middle; margin-left: 6px;
}
.mini-btn.wide { width: auto; padding: 0 10px; font-size: 12px; font-weight: 700; }

/* ===================== Sky options ===================== */
.sky-options { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; }
.sky-opt {
  display: flex; align-items: center; gap: 7px;
  padding: 7px 8px;
  font-family: inherit; font-size: 12px; font-weight: 600; color: var(--ink);
  background: #fff; border: 1.5px solid rgba(124,179,66,.2);
  border-radius: var(--radius-sm); cursor: pointer; text-align: left;
  transition: all .12s ease;
}
.sky-opt:hover { border-color: var(--leaf); }
.sky-opt.active { border-color: var(--leaf-deep); box-shadow: 0 2px 8px rgba(124,179,66,.25); }
.sky-opt.locked { opacity: .72; }
.sky-swatch { width: 16px; height: 16px; border-radius: 5px; border: 1px solid rgba(0,0,0,.12); flex: 0 0 auto; }

/* ===================== Floating action bar ===================== */
.fab-bar {
  position: absolute;
  bottom: 52px; left: 50%;
  transform: translateX(-50%);
  display: flex; gap: 10px;
  padding: 7px;
  background: var(--paper);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,.6);
  border-radius: 16px;
  box-shadow: var(--shadow);
  z-index: 12;
  max-width: 94vw; flex-wrap: wrap; justify-content: center;
}
.fab-group { display: flex; gap: 4px; padding: 0 6px; border-right: 1px solid rgba(124,179,66,.2); }
.fab-group:last-child { border-right: none; }
.fab {
  width: 34px; height: 34px;
  display: flex; align-items: center; justify-content: center;
  font-size: 15px;
  border: 1px solid rgba(124,179,66,.25);
  background: #fff; border-radius: 10px; cursor: pointer; color: var(--ink);
  transition: all .1s ease;
}
.fab:hover { background: var(--cream-2); border-color: var(--leaf); transform: translateY(-1px); }

/* ===================== Sheet modals (gallery / donate / dev) ===================== */
.modal-card.wide { width: 620px; max-width: 92vw; }
.modal-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 4px; }
.modal-head h3 { margin: 0; }
.modal-x {
  border: none; background: transparent; font-size: 18px; cursor: pointer;
  color: var(--ink-soft); border-radius: 8px; padding: 2px 7px;
}
.modal-x:hover { background: rgba(0,0,0,.06); }

.gallery-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; margin-top: 12px;
}
.gallery-card {
  position: relative;
  display: flex; flex-direction: column; align-items: center; gap: 6px;
  padding: 14px 8px;
  font-family: inherit;
  background: #fff; border: 1.5px solid rgba(124,179,66,.25);
  border-radius: var(--radius-sm); cursor: pointer; transition: all .12s ease;
}
.gallery-card:hover { border-color: var(--leaf); transform: translateY(-2px); box-shadow: var(--shadow-sm); }
.gallery-icon { font-size: 30px; }
.gallery-name { font-size: 12px; font-weight: 700; color: var(--ink); text-align: center; }
.gallery-card .badge {
  position: absolute; top: 6px; right: 6px;
  font-size: 9px; font-weight: 700; padding: 2px 6px; border-radius: 999px;
  background: linear-gradient(180deg,#ff8fb0,#e0648a); color: #fff;
}
.gallery-card.locked { opacity: .78; }
.gallery-card.locked .gallery-icon { filter: grayscale(.5); }

.donate-perks { margin: 6px 0 14px; padding-left: 2px; list-style: none; font-size: 13px; color: var(--ink); line-height: 1.7; }
.fineprint { margin: 12px 0 0; font-size: 11px; color: var(--ink-soft); }

/* ===================== Shapes (4) ===================== */
.shape-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 5px; width: 100%; }
.shape-grid .shape-btn { flex: none; }

/* ===================== Blueprint ===================== */
.btn-blueprint {
  color: #fff; font-weight: 700;
  background: linear-gradient(180deg, #5b8def, #3a64c8);
  border-color: #2f55b0;
  box-shadow: 0 3px 12px rgba(58,100,200,.4);
}
.btn-blueprint.on { box-shadow: 0 0 0 3px rgba(91,141,239,.4), 0 3px 12px rgba(58,100,200,.5); }

.bp-panel {
  position: absolute; top: 14px; right: 14px; width: 270px;
  background: var(--cream); border: 1px solid rgba(58,100,200,.25);
  border-radius: 16px; padding: 14px; box-shadow: var(--shadow); z-index: 18;
}
.bp-head { display: flex; align-items: center; justify-content: space-between; font-weight: 700; font-size: 15px; }
.bp-hint { margin: 6px 0 12px; font-size: 12px; color: var(--ink-soft); line-height: 1.4; }
.bp-row { display: flex; align-items: center; gap: 8px; font-size: 13px; font-weight: 600; }
.bp-row input[type=range] { flex: 1; accent-color: #3a64c8; }
.bp-play { margin-top: 12px; display: flex; flex-direction: column; gap: 8px; font-size: 13px; color: var(--ink); }
.bp-play select, .bp-play input { font-family: inherit; padding: 5px 7px; border-radius: 9px; border: 1px solid rgba(124,179,66,.3); background: #fff; font-weight: 600; }
.bp-play input[type=number] { width: 56px; }
.bp-play .btn { margin-top: 2px; }

/* ===================== Compass ===================== */
.compass {
  position: absolute; bottom: 16px; left: 16px; width: 78px; height: 78px;
  border-radius: 50%; background: var(--paper); backdrop-filter: blur(6px);
  border: 1px solid rgba(255,255,255,.6); box-shadow: var(--shadow-sm); z-index: 12;
}
.compass-dial { position: absolute; inset: 0; }
.cdir { position: absolute; font-size: 11px; font-weight: 700; color: var(--ink-soft); left: 50%; top: 50%; transform: translate(-50%,-50%); }
.cdir.n { top: 4px; color: #e0648a; }
.cdir.s { top: auto; bottom: 4px; }
.cdir.e { left: auto; right: 5px; top: 50%; }
.cdir.w { left: 5px; top: 50%; }
/* small two-tone needle centred in the dial */
.compass-needle { position: absolute; left: 50%; top: 50%; width: 0; height: 0; transform: translate(-50%, -100%);
  border-left: 5px solid transparent; border-right: 5px solid transparent; border-bottom: 18px solid #e0648a;
  filter: drop-shadow(0 9px 0 rgba(120,130,110,.45)); }

/* Help modal */
.help-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px 18px; margin-top: 12px; font-size: 13px; color: var(--ink); }
.help-grid kbd {
  font-family: inherit; font-size: 11px; font-weight: 700;
  background: var(--cream-2); border: 1px solid rgba(124,179,66,.3); border-radius: 6px;
  padding: 1px 6px; box-shadow: 0 1px 0 rgba(58,74,47,.15);
}

/* Blueprint slider scale */
.bp-slider-wrap { display: flex; flex-direction: column; align-items: center; gap: 3px; }
.bp-tick { font-size: 10px; font-weight: 700; color: var(--ink-soft); }
.bp-cut { font-size: 12px; color: var(--ink-soft); }
.bp-cut strong { color: var(--ink); }

/* ===================== Navigator ===================== */
.navigator {
  position: absolute; bottom: 16px; right: 16px;
  background: var(--paper); backdrop-filter: blur(6px);
  border: 1px solid rgba(255,255,255,.6); border-radius: 14px; padding: 8px;
  box-shadow: var(--shadow-sm); z-index: 12;
}
.nav-title { font-size: 10px; font-weight: 700; letter-spacing: 1px; text-transform: uppercase; color: var(--ink-soft); margin-bottom: 5px; text-align: center; }
#navCanvas { display: block; border-radius: 8px; background: rgba(255,255,255,.4); }

/* ===================== Nudge d-pad (keyboard layout) ===================== */
.fab-nudge { display: flex; align-items: center; gap: 4px; }
.fab-arrows { display: grid; grid-template-columns: repeat(3, 1fr); grid-template-rows: auto auto; gap: 2px; }
.dpad-up { grid-area: 1 / 2; } .dpad-left { grid-area: 2 / 1; } .dpad-down { grid-area: 2 / 2; } .dpad-right { grid-area: 2 / 3; }
.fab-ycol { display: flex; flex-direction: column; gap: 2px; }
.fab.sm { width: 24px; height: 24px; font-size: 11px; }

.ground-opt.transparent {
  background:
    linear-gradient(45deg, #ccc 25%, transparent 25%), linear-gradient(-45deg, #ccc 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, #ccc 75%), linear-gradient(-45deg, transparent 75%, #ccc 75%);
  background-size: 10px 10px; background-position: 0 0, 0 5px, 5px -5px, -5px 0; background-color: #fff;
}

/* ===================== Neumorphism (soft, no harsh white halo) ===================== */
:root { --neu-light: rgba(255,255,255,.6); --neu-dark: rgba(150,138,108,.38); }
.panel { background: var(--cream); border: none; box-shadow: 5px 5px 12px var(--neu-dark), -4px -4px 10px var(--neu-light); }

/* neutral controls get the cream neumorphic surface */
.btn-soft, .tool, .brush, .shape-btn, .mini-btn, .sky-opt, .fab, .tpl {
  border: none; background: var(--cream); color: var(--ink);
  box-shadow: 3px 3px 7px var(--neu-dark), -3px -3px 6px var(--neu-light);
}
.btn-soft:hover, .tpl:hover, .fab:hover, .sky-opt:hover { box-shadow: 4px 4px 9px var(--neu-dark), -3px -3px 7px var(--neu-light); }
.btn-soft:active, .tool:active, .brush:active, .fab:active { box-shadow: inset 2px 2px 6px var(--neu-dark), inset -2px -2px 5px var(--neu-light); }
.btn-ghost { box-shadow: none; background: transparent; }
.btn-ghost:hover { background: var(--cream); box-shadow: 2px 2px 6px var(--neu-dark), -2px -2px 5px var(--neu-light); }
.swatch { box-shadow: 2px 2px 6px var(--neu-dark), -2px -2px 5px var(--neu-light); }
.dims { border: none; background: var(--cream); box-shadow: inset 2px 2px 5px var(--neu-dark), inset -2px -2px 4px var(--neu-light); }
.topbar { background: var(--cream); border-bottom: none; box-shadow: 0 3px 9px rgba(58,74,47,.10); }
.sidebar { background: var(--cream); border-right: none; }

/* active states (readable green/gold + subtle inset) */
.tool.active, .shape-btn.active, .btn.on, .fab.on {
  background: linear-gradient(180deg, var(--leaf), var(--leaf-deep)); color: #fff;
  box-shadow: inset 2px 2px 6px rgba(40,70,25,.45), inset -1px -1px 4px rgba(255,255,255,.18);
}
.brush.active { background: linear-gradient(180deg, var(--sun), #e0a02f); color: #fff; box-shadow: inset 2px 2px 6px rgba(150,100,0,.35); }

/* colored topbar buttons keep their own fill + white text */
.btn-blueprint { background: linear-gradient(180deg, #5b8def, #3a64c8); color: #fff; box-shadow: 0 3px 11px rgba(58,100,200,.35); }
.btn-blueprint.on { box-shadow: 0 0 0 3px rgba(91,141,239,.4), 0 3px 11px rgba(58,100,200,.5); }
.btn-donate { background: linear-gradient(180deg, #ff8fb0, #e0648a); color: #fff; box-shadow: 0 3px 11px rgba(224,100,138,.32); }
.btn-kofi {
  display: inline-flex; align-items: center; gap: 4px; text-decoration: none;
  color: #fff; font-weight: 700; background: #f57873; border: none;
  box-shadow: 0 3px 11px rgba(245,120,115,.4);
}
.btn-kofi:hover { color: #fff; box-shadow: 0 4px 14px rgba(245,120,115,.55); }
.btn-danger { background: linear-gradient(180deg, var(--terracotta), var(--terracotta-d)); color: #fff; }
.btn-primary { background: linear-gradient(180deg, var(--leaf), var(--leaf-deep)); color: #fff; }

/* floating viewport widgets: single soft shadow (no white glow) */
.readout, .controls-hint, .navigator, .compass, .fab-bar {
  background: var(--paper); border: 1px solid rgba(255,255,255,.45);
  box-shadow: 0 6px 18px rgba(58,74,47,.16);
}
/* blueprint panel: SOLID background (no transparency) */
.bp-panel {
  background: var(--cream); border: 1px solid rgba(58,100,200,.25);
  box-shadow: 0 8px 22px rgba(58,74,47,.28);
}

/* ===================== Gooey (Ditto-like) FAB ===================== */
.fab-bar {
  border-radius: 30px 26px 32px 24px / 26px 32px 24px 30px;
  animation: gooey 9s ease-in-out infinite;
}
@keyframes gooey {
  0%, 100% { border-radius: 30px 26px 32px 24px / 26px 32px 24px 30px; }
  50%      { border-radius: 26px 32px 24px 30px / 30px 24px 32px 26px; }
}
.fab { border-radius: 13px 11px 12px 14px; }

/* ===================== Dark mode ===================== */
body.dark {
  --cream: #2a2e27; --cream-2: #343a30; --paper: rgba(40,45,37,.78);
  --ink: #e9ead8; --ink-soft: #9eae90;
  --neu-light: rgba(255,255,255,.05); --neu-dark: rgba(0,0,0,.45);
  background: #1f231d;
}
body.dark .panel-title { color: var(--ink-soft); }
body.dark .layer-row, body.dark .layer-name input,
body.dark .dims input, body.dark .modal-card input,
body.dark .bp-play select, body.dark .bp-play input {
  background: var(--cream-2); color: var(--ink); border-color: rgba(255,255,255,.12);
}
body.dark .layer-row { border: none; box-shadow: 3px 3px 7px var(--neu-dark), -2px -2px 5px var(--neu-light); }
body.dark .layer-row.active { background: #3d4a30; }
body.dark .modal-card, body.dark .bp-panel { background: var(--cream); color: var(--ink); border-color: rgba(255,255,255,.1); }
body.dark .modal { background: rgba(0,0,0,.5); }
body.dark .swatch { border-color: rgba(255,255,255,.15); }
body.dark .ground-opt { border-color: rgba(255,255,255,.2); }
body.dark .compass-dial .cdir { color: var(--ink); }
body.dark .compass-dial .cdir.n { color: #ff9fbb; }
body.dark #navCanvas { background: rgba(0,0,0,.25); }
body.dark .toast { background: #11140f; }
body.dark .modal-x:hover, body.dark .btn-ghost:hover { background: var(--cream-2); }
body.dark .toggle-strong { background: var(--cream-2); border-color: rgba(255,255,255,.12); }
body.dark .toggle, body.dark .modal-hint, body.dark .hint, body.dark .orient-readout { color: var(--ink-soft); }
body.dark .toggle { color: var(--ink); }

/* ===================== Hide UI (clean view / screenshots) ===================== */
body.ui-hidden { grid-template-columns: 0 1fr; grid-template-rows: 0 1fr; }
body.ui-hidden .topbar, body.ui-hidden .sidebar, body.ui-hidden .resizer,
body.ui-hidden .readout, body.ui-hidden .controls-hint, body.ui-hidden .fab-bar,
body.ui-hidden .compass, body.ui-hidden .navigator, body.ui-hidden .bp-panel,
body.ui-hidden .layers-float { display: none !important; }

/* "Show UI" button — bottom-right, only while UI is hidden */
.show-ui-btn {
  position: fixed; right: 16px; bottom: 16px; z-index: 40;
  display: none; align-items: center; gap: 6px;
  padding: 10px 16px; border: none; border-radius: 999px;
  font: 600 14px/1 "Quicksand", sans-serif; color: #fff; cursor: pointer;
  background: #7CB342; box-shadow: 0 6px 18px rgba(58,74,47,.28);
  transition: transform .12s ease, background .12s ease;
}
.show-ui-btn:hover { background: #6aa036; transform: translateY(-1px); }
body.ui-hidden .show-ui-btn { display: inline-flex; }

/* Blueprint step (＋ / －) buttons */
.bp-step {
  width: 30px; height: 30px; flex: 0 0 auto;
  border: 1px solid rgba(58,100,200,.35); border-radius: 8px;
  background: rgba(58,100,200,.1); color: #3a64c8;
  font: 700 16px/1 "Quicksand", sans-serif; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: background .12s ease, transform .08s ease;
}
.bp-step:hover { background: rgba(58,100,200,.2); }
.bp-step:active { transform: scale(.92); }
body.dark .bp-step { color: #9fb4ff; border-color: rgba(159,180,255,.35); background: rgba(159,180,255,.12); }

/* ===================== Vertical Blueprint slider ===================== */
.bp-row { flex-direction: column; align-items: center; gap: 6px; }
#bpSlider {
  writing-mode: vertical-lr; direction: rtl;
  -webkit-appearance: slider-vertical; appearance: slider-vertical;
  width: 26px; height: 150px; accent-color: #3a64c8;
}
.layer-actions { display: flex; gap: 5px; }

/* ===================== Floating Layers panel ===================== */
.layers-float {
  position: absolute; top: 78px; right: 14px; width: 224px;
  max-height: calc(100% - 250px); overflow-y: auto;
  background: var(--paper); backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,.5); border-radius: var(--radius);
  padding: 13px; box-shadow: 0 6px 18px rgba(58,74,47,.16); z-index: 13;
}
.layers-float.hidden { display: none; }
.layers-float::-webkit-scrollbar { width: 7px; }
.layers-float::-webkit-scrollbar-thumb { background: rgba(124,179,66,.35); border-radius: 7px; }
.layer-rot { font-size: 10px; font-weight: 700; color: #fff; background: #5b8def; padding: 1px 5px; border-radius: 999px; margin-left: 4px; }
body.dark .layers-float { background: rgba(40,45,37,.85); }

/* Responsive: collapse rail on small screens */
@media (max-width: 720px) {
  body { grid-template-columns: 1fr; grid-template-areas: "top" "main"; }
  .menu-toggle { display: block; }
  .resizer { display: none; }
  .sidebar {
    position: absolute;
    top: var(--bar-h); bottom: 0; left: 0;
    width: 84%;
    max-width: var(--rail-w);
    z-index: 20;
    transform: translateX(-100%);
    transition: transform .25s ease;
  }
  .sidebar.open { transform: translateX(0); }
  .controls-hint { display: none; }
}