/* Cubinhos 3D — linguagem visual Minecraft Education
   Painéis de pedra escura, slots de inventário com bevel, verde Education,
   dourado XP para seleção/foco. Display: Pixelify Sans; corpo: Fredoka. */

:root {
  --mc-panel: #313233;        /* pedra escura dos menus */
  --mc-panel-2: #48494a;
  --mc-edge: #1e1e1f;
  --mc-paper: #c6c6c6;        /* cinza claro dos ecrãs de inventário */
  --mc-paper-dark: #a0a0a0;
  --mc-green: #3c8527;        /* verde Minecraft Education */
  --mc-green-dark: #2a641c;
  --mc-gold: #ffd83d;         /* dourado XP — seleção e foco */
  --mc-slot: #8b8b8b;
  --mc-ink: #1d1d1d;
  --mc-ink-soft: #55565a;
  --mc-text-light: #f5f5f4;
  --bevel-out: inset 2px 2px 0 rgba(255,255,255,.45), inset -2px -3px 0 rgba(0,0,0,.35);
  --bevel-in:  inset 2px 2px 0 rgba(0,0,0,.45), inset -2px -2px 0 rgba(255,255,255,.35);
  --rail: 64px;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: "Fredoka", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  color: var(--mc-text-light);
  background: var(--mc-panel);
  display: flex;
  flex-direction: column;
}

h1, h2, h3, .brand-name { font-family: "Pixelify Sans", "Fredoka", system-ui, sans-serif; font-weight: 600; }

:focus-visible { outline: 3px solid var(--mc-gold); outline-offset: 2px; }

/* ── Topbar de pedra com faixa de relva ────────────────────────────────── */
.topbar {
  min-height: 52px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  row-gap: 4px;
  padding: 6px 12px;
  background: linear-gradient(#3a3b3c, var(--mc-panel));
  border-bottom: 4px solid var(--mc-green);
  box-shadow: 0 4px 0 #79553a;    /* terra por baixo da relva */
  gap: 12px;
  position: relative;
  z-index: 7;
}
.brand { display: flex; align-items: center; gap: 8px; font-size: 20px; }
.brand-mark { font-size: 24px; filter: drop-shadow(2px 2px 0 rgba(0,0,0,.5)); }
.brand-name {
  letter-spacing: .5px;
  text-shadow: 2px 2px 0 rgba(0,0,0,.55);
}
.topbar-actions { margin-left: auto; display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }

/* Botão de menu Minecraft: pedra, contorno preto, bevel */
.topbar-actions button, .file-button {
  font: inherit; font-size: 13px; font-weight: 500;
  padding: 7px 12px;
  border: 2px solid #151516;
  border-radius: 3px;
  background: #6f7073;
  color: var(--mc-text-light);
  text-shadow: 1px 1px 0 rgba(0,0,0,.6);
  box-shadow: var(--bevel-out);
  cursor: pointer;
  image-rendering: pixelated;
}
.topbar-actions button:hover, .file-button:hover { background: #7d7e82; }
.topbar-actions button:active, .file-button:active {
  box-shadow: var(--bevel-in);
  transform: translateY(1px);
}
.topbar-actions .primary {
  background: var(--mc-green);
  border-color: #143c0a;
  font-weight: 600;
}
.topbar-actions .primary:hover { background: #46982f; }
.file-button input { display: none; }

.workspace { flex: 1; display: flex; min-height: 0; }

/* ── Rail de ferramentas: slots de inventário ──────────────────────────── */
.left-rail {
  width: var(--rail);
  background: var(--mc-panel);
  border-right: 2px solid var(--mc-edge);
  display: flex; flex-direction: column; align-items: center;
  padding: 10px 0; gap: 8px;
}
.left-rail .tool {
  width: 48px; height: 48px;
  border: 2px solid #262627;
  border-radius: 3px;
  background: var(--mc-slot);
  box-shadow: var(--bevel-in);
  font-size: 22px; cursor: pointer;
  display: grid; place-items: center;
  transition: transform .12s;
}
.left-rail .tool:hover { background: #9a9a9a; }
.left-rail .tool.active {
  background: #b0b0b0;
  outline: 3px solid #fff;
  outline-offset: -1px;
  transform: scale(1.05);
}
.rail-divider { width: 36px; height: 2px; background: var(--mc-edge); margin: 6px 0; }

.canvas-host { flex: 1; position: relative; overflow: hidden; }
#canvas3d { width: 100%; height: 100%; display: block; touch-action: none; }

/* ── ViewCube ──────────────────────────────────────────────────────────── */
#viewcubeHost { position: absolute; top: 10px; right: 10px; z-index: 5; }
.viewcube { display: flex; flex-direction: column; align-items: center; gap: 4px; user-select: none; }
.viewcube button {
  font-family: "Pixelify Sans", monospace; font-size: 12px; font-weight: 600;
  width: 60px; padding: 6px 0;
  background: rgba(49,50,51,.92);
  color: var(--mc-text-light);
  border: 2px solid #151516;
  border-radius: 3px;
  box-shadow: var(--bevel-out);
  cursor: pointer;
}
.viewcube button:hover { background: rgba(72,73,74,.95); }
.viewcube button:active { box-shadow: var(--bevel-in); }
.viewcube .viewcube-row { display: flex; gap: 4px; }
.viewcube .viewcube-row button { width: 56px; }
.viewcube-arrows { display: flex; gap: 4px; margin-top: 4px; }
.viewcube-arrows button { width: 30px; font-size: 14px; }
.viewcube .home { width: 42px; height: 42px; border-radius: 3px; font-size: 20px; padding: 0; }

/* ── Modo jogo (primeira pessoa) ───────────────────────────────────────── */
.crosshair {
  position: absolute; left: 50%; top: 50%;
  width: 18px; height: 18px;
  transform: translate(-50%, -50%);
  pointer-events: none; z-index: 5;
}
.crosshair::before, .crosshair::after {
  content: ""; position: absolute; background: rgba(255,255,255,.9);
  mix-blend-mode: difference;
}
.crosshair::before { left: 8px; top: 0; width: 2px; height: 18px; }
.crosshair::after { left: 0; top: 8px; width: 18px; height: 2px; }
.crosshair.hidden, .fp-hint.hidden { display: none; }
.fp-hint {
  position: absolute; left: 50%; bottom: 84px;
  transform: translateX(-50%);
  font-family: "Pixelify Sans", monospace; font-size: 13px;
  color: var(--mc-text-light); text-shadow: 1px 1px 0 rgba(0,0,0,.7);
  background: rgba(30,30,31,.75);
  border: 2px solid #151516; border-radius: 3px;
  padding: 5px 12px; z-index: 5; pointer-events: none;
}
body.fp-mode #viewcubeHost, body.fp-mode #layerHost { display: none; }

/* ── Controlo de camadas ───────────────────────────────────────────────── */
#layerHost {
  position: absolute; top: 288px; right: 10px; z-index: 5;
  display: flex; flex-direction: column; align-items: center; gap: 4px;
}
#layerHost button {
  font-family: "Pixelify Sans", monospace; font-size: 12px; font-weight: 600;
  padding: 6px 8px; width: 92px;
  background: rgba(49,50,51,.92); color: var(--mc-text-light);
  border: 2px solid #151516; border-radius: 3px;
  box-shadow: var(--bevel-out); cursor: pointer;
}
#layerHost button:hover { background: rgba(72,73,74,.95); }
#layerHost button:active { box-shadow: var(--bevel-in); }
#layerHost button.on { background: var(--mc-gold); color: #1d1d1d; text-shadow: none; }
.layer-tools { display: flex; flex-direction: column; align-items: center; gap: 4px; }
.layer-tools [data-up], .layer-tools [data-down] { width: 44px; }
.layer-num {
  font-family: "Pixelify Sans", monospace; font-size: 16px; font-weight: 700;
  color: var(--mc-text-light); text-shadow: 1px 1px 0 rgba(0,0,0,.6);
  background: rgba(30,30,31,.85); border: 2px solid #151516; border-radius: 3px;
  width: 44px; text-align: center; padding: 2px 0;
}

/* ── Paleta: hotbar de inventário ──────────────────────────────────────── */
.palette-drawer {
  position: absolute; left: 50%; transform: translateX(-50%);
  bottom: 12px; z-index: 4;
  background: rgba(49,50,51,.95);
  border: 2px solid #151516;
  border-radius: 4px;
  padding: 6px 8px;
  box-shadow: var(--bevel-out), 0 6px 14px rgba(0,0,0,.35);
  display: flex; align-items: center; gap: 6px;
  max-width: calc(100% - 24px);
}
.palette-drawer[data-state="closed"] .palette-strip,
.palette-drawer[data-state="closed"] .palette-more { display: none; }
.palette-drawer[data-state="closed"] .palette-toggle { transform: rotate(180deg); }
.palette-toggle {
  width: 28px; height: 28px; border: none; background: transparent;
  color: var(--mc-text-light); cursor: pointer; font-size: 14px;
}
.palette-strip { display: flex; gap: 5px; overflow-x: auto; max-width: 70vw; padding: 2px; }
.swatch {
  width: 44px; height: 44px;
  border: 2px solid #262627;
  border-radius: 2px;
  cursor: pointer;
  background-color: var(--mc-slot);
  background-size: cover; image-rendering: pixelated;
  box-shadow: var(--bevel-in);
  position: relative;
  flex: 0 0 auto;
}
.swatch:hover { filter: brightness(1.12); }
.swatch.active {
  outline: 3px solid #fff;
  outline-offset: 1px;
  filter: brightness(1.08);
}
.palette-more {
  font: inherit; font-size: 12px; padding: 6px 10px;
  border: 2px solid #151516; border-radius: 3px;
  background: #6f7073; color: var(--mc-text-light);
  box-shadow: var(--bevel-out); cursor: pointer;
}
.palette-more:active { box-shadow: var(--bevel-in); }

/* Gaveta completa: ecrã de inventário claro */
.palette-full {
  position: absolute; left: 12px; right: 12px; bottom: 84px; z-index: 6;
  background: var(--mc-paper);
  color: var(--mc-ink);
  border: 3px solid #151516;
  border-radius: 4px;
  box-shadow: var(--bevel-out), 0 10px 24px rgba(0,0,0,.4);
  max-height: 60vh; overflow: auto; padding: 14px;
}
.palette-full.hidden { display: none; }
.palette-full h3 {
  margin: 12px 0 6px; font-size: 15px; color: #3d3e42;
  text-shadow: 1px 1px 0 rgba(255,255,255,.5);
}
.palette-full .grid { display: grid; grid-template-columns: repeat(auto-fill, 44px); gap: 6px; }

/* ── Diálogos tipo ecrã de inventário ──────────────────────────────────── */
.mc-dialog {
  position: absolute;
  left: 50%; top: 50%;
  transform: translate(-50%, -50%);
  width: min(760px, calc(100vw - 32px));
  max-height: calc(100vh - 90px);
  display: flex; flex-direction: column;
  background: var(--mc-paper);
  color: var(--mc-ink);
  border: 3px solid #151516;
  border-radius: 4px;
  box-shadow: var(--bevel-out), 0 14px 30px rgba(0,0,0,.45);
  z-index: 8;
}
.mc-dialog.hidden { display: none; }
.dialog-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 10px 14px;
  border-bottom: 2px solid var(--mc-paper-dark);
}
.dialog-header h2 { margin: 0; font-size: 20px; }
.dialog-close {
  font: inherit; width: 30px; height: 30px;
  border: 2px solid #151516; border-radius: 3px;
  background: #b04a3d; color: #fff;
  box-shadow: var(--bevel-out); cursor: pointer;
}
.dialog-close:active { box-shadow: var(--bevel-in); }
.dialog-body { padding: 12px 16px; overflow: auto; }
.dialog-hint { margin: 0 0 12px; font-size: 14px; color: #3d3e42; }
.sheet-meta { margin: 0 0 8px; font-size: 15px; }
.dialog-actions {
  display: flex; gap: 8px; justify-content: flex-end;
  padding: 10px 14px;
  border-top: 2px solid var(--mc-paper-dark);
}
.dialog-actions button {
  font: inherit; font-size: 14px; font-weight: 500;
  padding: 8px 14px;
  border: 2px solid #151516; border-radius: 3px;
  background: var(--mc-green); color: #fff;
  text-shadow: 1px 1px 0 rgba(0,0,0,.5);
  box-shadow: var(--bevel-out); cursor: pointer;
}
.dialog-actions button:active { box-shadow: var(--bevel-in); }
.dialog-actions .plan-reset { background: #6f7073; }

/* Vistas do plano de construção */
.views-grid {
  display: flex; flex-wrap: wrap; gap: 14px;
  align-items: flex-start;
}
.view-figure { margin: 0; }
.view-figure figcaption {
  font-family: "Pixelify Sans", sans-serif;
  font-size: 14px; margin-bottom: 4px; color: #2c2d30;
}
.view-figure canvas {
  border: 2px solid #55565a;
  background: #eceae4;
  image-rendering: pixelated;
}
.views-empty { font-size: 15px; color: #3d3e42; }

.mc-dialog h3 { margin: 16px 0 6px; font-size: 16px; }
.materials {
  list-style: none; margin: 0; padding: 0;
  display: grid; grid-template-columns: repeat(auto-fill, minmax(170px, 1fr));
  gap: 6px;
}
.materials li {
  display: flex; align-items: center; gap: 8px;
  background: #d4d3cf;
  border: 2px solid var(--mc-paper-dark);
  border-radius: 3px;
  padding: 4px 8px;
  font-size: 14px;
}
.materials li span { flex: 1; }
.material-swatch { border: 1px solid #55565a; image-rendering: pixelated; }
.plan-total { font-weight: 600; margin: 10px 0 0; }

/* Diálogo "O meu plano" (instrumento MEM) */
.plan-form label {
  display: block;
  font-size: 15px; font-weight: 500;
  margin-bottom: 12px; color: #2c2d30;
}
.plan-form input[type="text"], .plan-form textarea {
  display: block; width: 100%; margin-top: 4px;
  font: inherit; font-size: 14px; font-weight: 400;
  background: #efeee9; color: var(--mc-ink);
  border: 2px solid var(--mc-paper-dark); border-radius: 3px;
  padding: 7px 9px;
  box-shadow: var(--bevel-in);
}
.plan-form input[type="text"]:focus, .plan-form textarea:focus {
  border-color: var(--mc-green); outline: none;
}
.plan-form textarea { resize: vertical; }
.plan-steps { list-style: none; margin: 0 0 12px; padding: 0; }
.plan-steps li { margin-bottom: 4px; }
.plan-steps label {
  display: flex; align-items: center; gap: 8px;
  font-weight: 400; margin: 0; cursor: pointer;
}
.plan-steps input[type="checkbox"] {
  width: 18px; height: 18px;
  accent-color: var(--mc-green);
}

/* Diálogo "Usar no Minecraft" */
.export-route {
  border: 2px solid var(--mc-paper-dark);
  border-radius: 3px;
  background: #d4d3cf;
  padding: 10px 12px;
  margin-bottom: 12px;
}
.export-route h3 { margin: 0 0 6px; }
.export-route p { margin: 0 0 8px; font-size: 14px; color: #2c2d30; }
.export-route code {
  background: #efeee9; border: 1px solid var(--mc-paper-dark);
  border-radius: 2px; padding: 0 4px; font-size: 13px;
}
.route-action {
  font: inherit; font-size: 13px; font-weight: 500;
  padding: 7px 12px;
  border: 2px solid #151516; border-radius: 3px;
  background: var(--mc-green); color: #fff;
  text-shadow: 1px 1px 0 rgba(0,0,0,.5);
  box-shadow: var(--bevel-out); cursor: pointer;
}
.route-action:active { box-shadow: var(--bevel-in); }
.route-action:disabled { background: #8a8b8d; cursor: not-allowed; }
.code-tools { display: flex; align-items: center; gap: 10px; margin-bottom: 6px; flex-wrap: wrap; }
.code-note { font-size: 12px; color: #55565a; }
.code-box {
  width: 100%; resize: vertical;
  font-family: ui-monospace, "Cascadia Mono", Menlo, monospace;
  font-size: 12px; line-height: 1.4;
  background: #1e1e1f; color: #d7f5c9;
  border: 2px solid #151516; border-radius: 3px;
  padding: 8px;
}

/* Impressão: só a folha do plano, em fundo branco */
@media print {
  body.plan-open > *:not(#viewsPanel) { display: none !important; }
  body.plan-open { background: #fff; }
  body.plan-open #viewsPanel {
    position: static; transform: none;
    width: auto; max-height: none;
    border: none; box-shadow: none;
    background: #fff; color: #000;
  }
  body.plan-open .dialog-close,
  body.plan-open .dialog-actions { display: none !important; }
}

/* ── Toast de estado ───────────────────────────────────────────────────── */
.status {
  position: absolute; bottom: 6px; right: 12px;
  margin: 0; font-size: 13px; color: var(--mc-text-light);
  background: rgba(30,30,31,.92);
  border: 2px solid var(--mc-gold);
  border-radius: 3px;
  padding: 5px 12px;
  text-shadow: 1px 1px 0 rgba(0,0,0,.6);
}
.status:empty { display: none; }

@keyframes pop { 0% { transform: scale(.92);} 100% { transform: scale(1);} }
.left-rail .tool.active { animation: pop .15s; }

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
}