/* "Scrapyard" look: dark concrete, hazard yellow and chunky voxel shapes, like Teardown. */
:root {
  --bg: #16130f;
  --panel: #0d0b09;
  --panel-2: #2a241d;
  --edge: #3d342a;
  --text: #eeeeee;
  --muted: #9a8f80;
  --dim: #7d7264;
  --yellow: #f5b400;
  --yellow-light: #ffd24d;
  --yellow-dark: #b77f00;
  --orange: #e06a10;
  --ink: #111111;
  --danger: #ff6b5b;
  --heading: "Russo One", "Arial Black", sans-serif;
  --body: "Barlow Condensed", "Arial Narrow", sans-serif;
  --mono: ui-monospace, "Cascadia Mono", Consolas, monospace;
}

* { box-sizing: border-box; }

html, body {
  height: 100%;
  margin: 0;
}

body {
  display: flex;
  flex-direction: column;
  background: var(--bg);
  color: var(--text);
  font-family: var(--body);
  font-size: 17px;
}

/* ---- Top bar ---- */

.topbar {
  position: relative;
  z-index: 80; /* above Blockly's block list (70) so the hazard stripe shows */
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 20px;
  background: var(--panel);
  border-bottom: 3px solid #000;
}
.hazard {
  position: absolute;
  left: 0;
  right: 0;
  bottom: -11px;
  height: 8px;
  background: repeating-linear-gradient(-45deg, var(--yellow) 0 14px, var(--ink) 14px 28px);
  pointer-events: none;
}

.brand { display: flex; align-items: center; gap: 12px; }
.logo {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2px;
  width: 40px;
  height: 40px;
  flex: none;
}
.logo i { background: var(--yellow); }
.logo i:nth-child(3n) { background: var(--orange); }
.logo i:nth-child(5), .logo i:nth-child(12), .logo i:nth-child(16) { background: transparent; }

h1 {
  margin: 0;
  font-family: var(--heading);
  font-weight: 400;
  font-size: 26px;
  line-height: 1;
  letter-spacing: 1.5px;
  text-transform: uppercase;
}
.tagline {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 14px;
  letter-spacing: 2px;
  text-transform: uppercase;
}

.actions { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }

.btn {
  font-family: var(--body);
  font-weight: 700;
  font-size: 18px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  padding: 8px 16px;
  border: 2px solid var(--edge);
  border-radius: 0;
  background: var(--panel-2);
  color: #dddddd;
  box-shadow: inset 0 -4px 0 rgba(0, 0, 0, 0.4);
  cursor: pointer;
}
.btn:hover { border-color: var(--yellow); color: #fff; }
.btn:active { box-shadow: inset 0 2px 0 rgba(0, 0, 0, 0.4); }
.btn:focus-visible { outline: 3px solid var(--yellow); outline-offset: 2px; }
.btn-primary {
  background: var(--yellow);
  border-color: var(--yellow-light);
  color: var(--ink);
  box-shadow: inset 0 -5px 0 var(--yellow-dark), 0 0 22px rgba(245, 180, 0, 0.3);
}
.btn-primary:hover { background: var(--yellow-light); color: var(--ink); }

.lang { display: flex; border: 2px solid var(--edge); }
.lang-option {
  font-family: var(--body);
  font-weight: 700;
  font-size: 17px;
  letter-spacing: 1px;
  padding: 7px 11px;
  border: 0;
  background: transparent;
  color: var(--text);
  cursor: pointer;
}
.lang-option:hover { background: var(--panel-2); }
.lang-option[aria-pressed="true"] { background: var(--orange); color: var(--ink); cursor: default; }
.lang-option:focus-visible { outline: 3px solid var(--yellow); outline-offset: -3px; }

/* ---- Editor ---- */

.main { flex: 1; display: flex; min-height: 0; }
.workspace { flex: 1; min-width: 0; position: relative; }

/* Blockly's block list on the left */
.blocklyToolbox {
  padding: 18px 10px 10px !important;
  border-right: 3px solid #000;
}
.blocklyToolboxCategoryContainer { margin-bottom: 6px; }
.blocklyToolboxCategory {
  height: auto !important;
  margin: 0 !important;
  padding: 6px 12px 6px 6px !important;
  background: #1b1712;
  border-left-width: 6px !important;
  border-left-style: solid !important;
}
.blocklyToolboxCategory:not(.blocklyToolboxSelected):hover { background: #2b241b; }
.blocklyToolboxSelected {
  background: #2b241b !important;
  outline: 2px solid var(--yellow);
  outline-offset: -2px;
}
.blocklyToolboxCategoryLabel {
  font-family: var(--body) !important;
  font-weight: 600;
  font-size: 19px !important;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--text);
}
.blocklyToolboxCategoryGroup .blocklyToolboxCategoryGroup { padding-left: 12px; margin-top: 6px; }
.blocklyTreeSeparator { border-bottom: 2px solid #2b241b !important; margin: 10px 4px !important; }
.blocklyFlyoutBackground { fill-opacity: 0.97; }

/* ---- Show code ---- */

.code-panel {
  width: min(440px, 45vw);
  padding: 14px 18px;
  background: var(--panel);
  border-left: 3px solid #000;
  overflow: auto;
}
.code-panel h2 {
  margin: 0 0 4px;
  font-family: var(--heading);
  font-weight: 400;
  font-size: 17px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--yellow);
}
.code-panel pre {
  background: #000;
  border: 2px solid #2b241b;
  padding: 12px;
  font-family: var(--mono);
  font-size: 13px;
  line-height: 1.5;
  color: #e8dcc6;
  white-space: pre;
  overflow: auto;
}
.muted { color: var(--muted); font-size: 15px; }

/* ---- Bottom bar ---- */

.hint-bar {
  padding: 8px 20px;
  background: var(--panel);
  border-top: 3px solid #000;
  color: var(--muted);
  font-size: 16px;
  letter-spacing: 1px;
  text-transform: uppercase;
}
kbd {
  display: inline-block;
  min-width: 26px;
  margin-right: 6px;
  padding: 1px 8px;
  background: var(--yellow);
  color: var(--ink);
  font-family: var(--heading);
  font-weight: 400;
  text-align: center;
  box-shadow: inset 0 -3px 0 var(--yellow-dark);
}

/* ---- Download dialog ---- */

dialog {
  width: min(500px, calc(100vw - 32px));
  border: 3px solid #000;
  border-top: 8px solid var(--yellow);
  border-radius: 0;
  background: #1b1712;
  color: var(--text);
  padding: 22px;
  box-shadow: 10px 10px 0 rgba(0, 0, 0, 0.6);
}
dialog::backdrop { background: rgba(0, 0, 0, 0.7); }
dialog h2 {
  margin-top: 0;
  font-family: var(--heading);
  font-weight: 400;
  letter-spacing: 1.5px;
  text-transform: uppercase;
}
dialog label { display: block; margin-bottom: 12px; font-weight: 700; letter-spacing: 0.5px; }
dialog input:not([type=file]), dialog textarea {
  display: block;
  width: 100%;
  margin-top: 4px;
  padding: 9px 10px;
  font: inherit;
  font-weight: 500;
  border-radius: 0;
  border: 2px solid var(--edge);
  background: var(--panel);
  color: var(--text);
}
dialog input:not([type=file]):focus, dialog textarea:focus { outline: none; border-color: var(--yellow); }
dialog input[type=file] { display: block; margin-top: 6px; color: var(--muted); font: inherit; }
.install { background: var(--panel); border-left: 6px solid var(--orange); padding: 10px 12px; font-size: 16px; }
.install p { margin: 4px 0 0; }
.error { color: var(--danger); font-weight: 700; }
.dialog-buttons { display: flex; justify-content: flex-end; gap: 8px; margin-top: 18px; }

.visually-hidden {
  position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0);
}

/* ---- Help mode (hold T) ---- */

.help-layer {
  position: fixed;
  inset: 0;
  z-index: 1000;
  pointer-events: none;
  background: rgba(8, 6, 4, 0.45);
}
.help-title {
  position: fixed;
  bottom: 48px;
  left: 50%;
  transform: translateX(-50%);
  padding: 7px 16px;
  background: var(--yellow);
  color: var(--ink);
  font-family: var(--heading);
  letter-spacing: 1px;
  text-transform: uppercase;
  box-shadow: 5px 5px 0 #000;
}
.help-label {
  position: fixed;
  max-width: 240px;
  padding: 7px 10px;
  background: var(--yellow);
  color: var(--ink);
  font-size: 15px;
  font-weight: 500;
  line-height: 1.2;
  box-shadow: 5px 5px 0 #000;
}
.help-label strong {
  display: block;
  font-family: var(--heading);
  font-weight: 400;
  font-size: 14px;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 2px;
}
.help-glossary {
  position: fixed;
  right: 14px;
  bottom: 48px;
  width: min(300px, calc(100vw - 28px));
  display: grid;
  gap: 8px;
}
.help-glossary .help-label { position: static; max-width: none; }

@media (max-width: 700px) {
  .code-panel { position: absolute; inset: auto 0 0 0; width: 100%; height: 45%; }
  .btn { font-size: 16px; padding: 7px 11px; }
  h1 { font-size: 20px; }
  .blocklyToolbox { padding: 12px 6px 6px !important; }
  .blocklyToolboxCategory { padding: 4px 8px 4px 4px !important; }
  .blocklyToolboxCategoryLabel { font-size: 16px !important; }
}