/* ============================================================
   3DGAMZ — minimalist dark UI
   ============================================================ */

:root {
  --block-alpha: 1;

  --bg: #0b0d12;
  --panel: #12151d;
  --panel-2: #171b26;
  --border: #242a3a;
  --text: #eef1f7;
  --text-dim: #9aa3b5;
  --accent: #6c8cff;

  /* block category colors (r, g, b) */
  --c-rotate: 142, 92, 247;   /* purple */
  --c-size:   103, 114, 229;  /* purple/blue */
  --c-move:   39, 174, 96;    /* green */
  --c-goto:   47, 128, 237;   /* blue */
  --c-wait:   242, 163, 60;   /* yellow/orange */
  --c-repeat: 235, 113, 52;   /* orange */
  --c-reset:  232, 67, 147;   /* pink */
  --c-if:     0, 168, 204;    /* cyan blue */
  --c-start:  244, 200, 66;   /* golden */
}

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

html, body { height: 100%; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  overflow: hidden;
  -webkit-user-select: none;
  user-select: none;
}

#app { display: flex; height: 100vh; }

/* ============ SIDEBAR ============ */

#sidebar {
  width: 280px;
  min-width: 280px;
  background: var(--panel);
  border-right: 1px solid var(--border);
  padding: 18px 16px 24px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 10px;
  z-index: 10;
}

#logo {
  font-size: 26px;
  font-weight: 800;
  letter-spacing: 1px;
  background: linear-gradient(90deg, #8e5cf7, #2f80ed);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
#logo span { -webkit-text-fill-color: transparent; }

#tagline { font-size: 12.5px; color: var(--text-dim); line-height: 1.45; margin-bottom: 4px; }

#addObjectBtn {
  appearance: none;
  border: none;
  border-radius: 12px;
  padding: 13px 14px;
  font-size: 15px;
  font-weight: 700;
  color: #fff;
  background: linear-gradient(135deg, #7048e8, #2f80ed);
  cursor: pointer;
  transition: filter .15s, transform .1s;
}
#addObjectBtn:hover { filter: brightness(1.12); }
#addObjectBtn:active { transform: scale(.98); }

.section-title {
  margin-top: 10px;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  color: var(--text-dim);
}

/* --- object list --- */

#objectList { display: flex; flex-direction: column; gap: 6px; }

.empty-hint {
  font-size: 12.5px;
  color: var(--text-dim);
  background: var(--panel-2);
  border: 1px dashed var(--border);
  border-radius: 10px;
  padding: 12px;
  text-align: center;
  line-height: 1.5;
}

.object-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 9px 10px;
  border-radius: 10px;
  background: var(--panel-2);
  border: 1px solid var(--border);
  cursor: pointer;
  font-size: 14px;
  transition: border-color .12s, background .12s;
}
.object-item:hover { border-color: #39415a; }
.object-item.selected {
  border-color: var(--accent);
  background: #1b2233;
}
.object-item .eye {
  border: none;
  background: none;
  font-size: 15px;
  cursor: pointer;
  padding: 2px 4px;
  border-radius: 6px;
}
.object-item .eye:hover { background: #262d40; }
.object-item .obj-name {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.object-item.hidden-obj .obj-name { color: var(--text-dim); text-decoration: line-through; }

/* --- transparency --- */

#opacityRow { display: flex; align-items: center; gap: 10px; }
#opacitySlider { flex: 1; accent-color: var(--accent); }
#opacityValue { font-size: 12.5px; color: var(--text-dim); width: 40px; text-align: right; }

#status {
  min-height: 20px;
  font-size: 12.5px;
  color: #ffd479;
  padding-top: 4px;
}

/* ============ MAIN / VIEWPORT ============ */

#main { position: relative; flex: 1; min-width: 0; }

#viewport { position: absolute; inset: 0; }
#viewport canvas { display: block; }

/* ============ CODE PANEL (overlays the 3D scene) ============ */

#codePanel {
  position: absolute;
  top: 16px;
  left: 16px;
  bottom: 16px;
  width: 430px;
  max-width: 55%;
  display: flex;
  flex-direction: column;
  border-radius: 16px;
  border: 1px solid rgba(60, 70, 100, calc(var(--block-alpha) * 0.9));
  background: rgba(13, 16, 23, calc(var(--block-alpha) * 0.88));
  z-index: 5;
  overflow: hidden;
}

#codeHeader {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 12px 14px;
  border-bottom: 1px solid rgba(60, 70, 100, calc(var(--block-alpha) * 0.7));
}
#codeTitle { font-size: 15px; font-weight: 700; }
#restartBtn {
  appearance: none;
  border: 1px solid var(--border);
  background: var(--panel-2);
  color: var(--text);
  font-size: 12.5px;
  font-weight: 600;
  border-radius: 9px;
  padding: 6px 11px;
  cursor: pointer;
}
#restartBtn:hover { border-color: var(--accent); }

#codeScroll {
  flex: 1;
  overflow-y: auto;
  padding: 14px;
}

/* ============ BLOCKS ============ */

.block {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  min-height: 46px;
  padding: 10px 14px;
  border-radius: 12px;
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  cursor: grab;
  touch-action: none;
  box-shadow: 0 2px 6px rgba(0,0,0,.28);
  margin-bottom: 8px;
}
.block:active { cursor: grabbing; }

.block .block-icon { font-size: 16px; }
.block .block-label { white-space: nowrap; }
.block .block-word { font-weight: 500; opacity: .92; white-space: nowrap; }

/* category colors — alpha follows the transparency slider */
.block-rotate { background: rgba(var(--c-rotate), var(--block-alpha)); }
.block-size   { background: rgba(var(--c-size),   var(--block-alpha)); }
.block-move   { background: rgba(var(--c-move),   var(--block-alpha)); }
.block-goto   { background: rgba(var(--c-goto),   var(--block-alpha)); }
.block-wait   { background: rgba(var(--c-wait),   var(--block-alpha)); }
.block-repeat { background: rgba(var(--c-repeat), var(--block-alpha)); }
.block-reset  { background: rgba(var(--c-reset),  var(--block-alpha)); }
.block-if     { background: rgba(var(--c-if),     var(--block-alpha)); }
.block-start  {
  background: rgba(var(--c-start), var(--block-alpha));
  color: #1d1503;
  cursor: default;
  font-weight: 800;
}

/* container blocks (repeat / if) stack head + body vertically */
.block-container { flex-direction: column; align-items: stretch; }
.block-container > .block-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  min-height: 26px;
}
.block-container > .block-body {
  margin-top: 8px;
  border-radius: 10px;
  background: rgba(0, 0, 0, calc(var(--block-alpha) * 0.28));
  padding: 8px;
}

/* inputs inside blocks */
.block select,
.block input[type="number"] {
  appearance: none;
  -webkit-appearance: none;
  border: none;
  border-radius: 8px;
  background: rgba(255, 255, 255, .92);
  color: #14161c;
  font-size: 13.5px;
  font-weight: 600;
  font-family: inherit;
  padding: 5px 8px;
  cursor: pointer;
}
.block select { padding-right: 20px; background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='10' height='6'><path d='M0 0l5 6 5-6z' fill='%23444'/></svg>"); background-repeat: no-repeat; background-position: right 6px center; }
.block input[type="number"] { width: 62px; cursor: text; -webkit-user-select: text; user-select: text; }
.block input[type="number"]:focus, .block select:focus { outline: 2px solid rgba(255,255,255,.85); }

/* drop containers */
.drop-container { min-height: 40px; border-radius: 10px; }
.drop-container:empty,
.drop-container .drop-hint { position: relative; }
.drop-hint {
  font-size: 12.5px;
  font-weight: 500;
  color: rgba(255,255,255,.55);
  border: 1.5px dashed rgba(255,255,255,.28);
  border-radius: 10px;
  padding: 10px;
  text-align: center;
}
#programRoot { min-height: 60px; padding-bottom: 40px; }
#programRoot > .drop-hint { color: var(--text-dim); border-color: var(--border); }

.drop-container.drop-active { outline: 2px dashed rgba(255,255,255,.5); outline-offset: 2px; }

/* drag visuals */
.block.dragging { opacity: .35; pointer-events: none; }
#dragGhost {
  position: fixed;
  z-index: 100;
  pointer-events: none;
  opacity: .9;
  transform: rotate(1.5deg);
  box-shadow: 0 12px 30px rgba(0,0,0,.5);
}
.insert-indicator {
  height: 5px;
  border-radius: 3px;
  background: #ffe066;
  box-shadow: 0 0 8px rgba(255, 224, 102, .8);
  margin: 2px 0 8px;
}

/* ============ PALETTE ============ */

#palette { display: flex; flex-direction: column; gap: 2px; }
#palette .block {
  margin-bottom: 6px;
  min-height: 42px;
  padding: 8px 12px;
  font-size: 13px;
}
#palette .block * { pointer-events: none; }
#palette .block select, #palette .block input { font-size: 12px; padding: 3px 6px; }
#palette .block input[type="number"] { width: 46px; }
#palette .block-container > .block-body { display: none; }

/* ============ TRASH ============ */

#trash {
  position: absolute;
  right: 22px;
  bottom: 22px;
  width: 86px;
  height: 86px;
  border-radius: 20px;
  border: 2px dashed #4a5268;
  background: rgba(18, 21, 29, .82);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 36px;
  z-index: 6;
  transition: transform .12s, border-color .12s, background .12s;
}
#trash.trash-over {
  transform: scale(1.15);
  border-color: #ff6b6b;
  background: rgba(90, 24, 24, .9);
}

/* scrollbars */
::-webkit-scrollbar { width: 9px; }
::-webkit-scrollbar-thumb { background: #2c3348; border-radius: 5px; }
::-webkit-scrollbar-track { background: transparent; }