/* =====================================================================
   StylePro - Builder de divisoes
   Canvas + barra de biblioteca + painel de customizacao.
   ===================================================================== */

/* ---------- Estrutura do editor ---------- */
.editor {
    display: grid;
    grid-template-columns: 280px 1fr 268px;
    grid-template-rows: auto 1fr;
    height: calc(100vh - 62px);
    background: var(--sp-superficie-2);
}

.editor-barra {
    grid-column: 1 / -1;
    display: flex; align-items: center; gap: var(--sp-3);
    padding: var(--sp-2) var(--sp-4);
    background: var(--sp-superficie);
    border-bottom: 1px solid var(--sp-borda);
    flex-wrap: wrap;
}
.editor-barra .nome-projecto {
    font-weight: 700; font-size: var(--sp-fs-lg);
    border: 1px solid transparent; background: transparent;
    border-radius: var(--sp-r-sm); padding: 0.25rem 0.5rem; width: 260px;
}
.editor-barra .nome-projecto:hover { border-color: var(--sp-borda); }
.editor-barra .nome-projecto:focus { outline: none; border-color: var(--sp-primaria); background: var(--sp-superficie); }
.editor-barra-acoes { margin-left: auto; display: flex; gap: var(--sp-2); align-items: center; }
.editor-estado { font-size: var(--sp-fs-xs); color: var(--sp-texto-3); font-weight: 600; }

/* ---------- Biblioteca (esquerda) ---------- */
.biblio {
    background: var(--sp-superficie);
    border-right: 1px solid var(--sp-borda);
    display: flex; flex-direction: column; min-height: 0;
}
.biblio-topo { padding: var(--sp-3); border-bottom: 1px solid var(--sp-borda); display: grid; gap: var(--sp-2); }
.biblio-categorias { display: flex; gap: var(--sp-1); overflow-x: auto; padding-bottom: 2px; }
.biblio-cat {
    flex: none; padding: 0.3rem 0.7rem; font-size: var(--sp-fs-xs); font-weight: 600;
    border-radius: var(--sp-r-pilula); border: 1px solid var(--sp-borda);
    background: var(--sp-superficie); color: var(--sp-texto-2); cursor: pointer;
    transition: all var(--sp-tr); white-space: nowrap;
}
.biblio-cat:hover { border-color: var(--sp-primaria-cl); color: var(--sp-primaria-esc); }
.biblio-cat.ativa { background: var(--sp-primaria); border-color: var(--sp-primaria); color: #fff; }

.biblio-grelha {
    flex: 1; overflow-y: auto; padding: var(--sp-3);
    display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--sp-2);
    align-content: start;
}
.biblio-item {
    border: 1px solid var(--sp-borda); border-radius: var(--sp-r-md);
    background: var(--sp-superficie); padding: var(--sp-2);
    display: flex; flex-direction: column; align-items: center; gap: 4px;
    cursor: grab; text-align: center;
    transition: transform var(--sp-tr), box-shadow var(--sp-tr), border-color var(--sp-tr);
    user-select: none; touch-action: none;
}
.biblio-item:hover {
    border-color: var(--sp-primaria-cl);
    box-shadow: var(--sp-sombra-2); transform: translateY(-2px);
}
.biblio-item:active { cursor: grabbing; transform: scale(.97); }
.biblio-item .miniatura {
    width: 100%; aspect-ratio: 4/3; display: grid; place-items: center;
    background: var(--sp-superficie-2); border-radius: var(--sp-r-sm);
    color: var(--sp-primaria); overflow: hidden; padding: 6px;
}
.biblio-item .miniatura svg { width: 100%; height: 100%; }
.biblio-item .nome { font-size: var(--sp-fs-xs); font-weight: 600; line-height: 1.25; color: var(--sp-texto-2); }
.biblio-item .dim { font-size: 0.65rem; color: var(--sp-texto-3); }

/* ---------- Canvas (centro) ---------- */
.canvas-zona {
    overflow: auto; padding: var(--sp-5);
    display: grid; place-items: center; position: relative;
    background:
        radial-gradient(circle, rgba(148,163,184,.35) 1px, transparent 1px);
    background-size: 22px 22px;
}
.canvas {
    position: relative; background: #fff;
    box-shadow: var(--sp-sombra-3); border-radius: var(--sp-r-md);
    overflow: hidden; flex: none;
    background-size: cover; background-position: center;
    touch-action: none;
}
.canvas.vazio::after {
    content: attr(data-vazio);
    position: absolute; inset: 0; display: grid; place-items: center;
    color: var(--sp-texto-3); font-weight: 600; font-size: var(--sp-fs-lg);
    text-align: center; padding: var(--sp-5); pointer-events: none;
    background: repeating-linear-gradient(45deg, rgba(99,102,241,.04) 0 14px, transparent 14px 28px);
}

/* Elemento colocado no canvas */
.peca {
    position: absolute; cursor: grab; user-select: none;
    transform-origin: center center; touch-action: none;
    filter: drop-shadow(0 3px 6px rgba(15,23,42,.18));
}
.peca svg { width: 100%; height: 100%; display: block; pointer-events: none; }
.peca.arrastando { cursor: grabbing; opacity: .92; z-index: 999 !important; }
.peca.seleccionada { outline: 2px dashed var(--sp-primaria); outline-offset: 3px; }

/* Alcas de redimensionamento */
.peca .alca {
    position: absolute; width: 12px; height: 12px;
    background: #fff; border: 2px solid var(--sp-primaria);
    border-radius: 50%; z-index: 10;
    box-shadow: var(--sp-sombra-1);
}
.peca .alca.ne { top: -7px; left: -7px; cursor: nwse-resize; }
.peca .alca.se { bottom: -7px; right: -7px; cursor: nwse-resize; }
.peca .alca.no { top: -7px; right: -7px; cursor: nesw-resize; }
.peca .alca.so { bottom: -7px; left: -7px; cursor: nesw-resize; }

/* Guia de centro (snap visual) */
.peca .guia-v, .peca .guia-h { position: absolute; background: var(--sp-acento); pointer-events: none; display: none; }

/* ---------- Barra flutuante de ferramentas (estilo Coohom) ---------- */
.ferramentas-flutuantes {
    position: absolute; top: var(--sp-3); left: 50%; transform: translateX(-50%);
    z-index: 40; display: flex; align-items: center; gap: 2px;
    background: rgba(255, 255, 255, .96); border: 1px solid var(--sp-borda);
    border-radius: var(--sp-r-pilula); padding: 4px 8px;
    box-shadow: var(--sp-sombra-2); backdrop-filter: blur(6px);
}
.ferramentas-flutuantes .ferramenta {
    display: inline-flex; align-items: center; justify-content: center; gap: 5px;
    min-width: 30px; height: 30px; padding: 0 8px;
    border: none; background: transparent; border-radius: var(--sp-r-pilula);
    color: var(--sp-texto-2); font-size: .8rem; font-weight: 700; cursor: pointer;
    transition: all var(--sp-tr);
}
.ferramentas-flutuantes .ferramenta:hover { background: var(--sp-superficie-2); color: var(--sp-primaria-esc); }
.ferramentas-flutuantes .ferramenta.activa { background: var(--sp-primaria); color: #fff; }
.ferramentas-flutuantes .zoom-nivel {
    font-size: .72rem; font-weight: 700; color: var(--sp-texto-2);
    min-width: 42px; text-align: center; font-variant-numeric: tabular-nums;
}
.ferramenta-divisor { width: 1px; height: 18px; background: var(--sp-borda); margin: 0 4px; }

/* ---------- Escala do canvas (zoom sem cortar sombras/cotas) ---------- */
.canvas-zona { position: relative; }
.canvas-escala { position: relative; flex: none; }
.canvas { overflow: visible; transform-origin: top left; }

/* Chao texturizado estilo parquet Coohom (visivel na vista 3D) */
.canvas-chao {
    position: absolute; inset: 0; z-index: 0; pointer-events: none;
    opacity: 0; transition: opacity .3s ease; border-radius: inherit;
    background:
        repeating-linear-gradient(90deg, rgba(122, 84, 49, .10) 0 2px, transparent 2px 90px),
        repeating-linear-gradient(0deg, rgba(255, 255, 255, .35) 0 1px, transparent 1px 14px),
        linear-gradient(115deg, #e8d5b5 0%, #dfc8a2 30%, #e6d2ae 55%, #dbC39c 80%, #e5d0ab 100%);
}
.canvas-chao.visivel { opacity: 1; }
.canvas.vazio::after { z-index: 1; }
.canvas > .peca { z-index: 2; }

/* ---------- Extrusao 3D real (estilo Homestyler): paredes + tampa ---------- */
.extrusao-volume {
    position: absolute; inset: 0;
    transform-style: preserve-3d;
    pointer-events: none;
}
.extrusao-volume .parede {
    position: absolute; left: 50%; top: 50%;
    transform-origin: center center;
    backface-visibility: hidden;
    border-radius: 2px;
    box-shadow: inset 0 -1px 0 rgba(0, 0, 0, .18);
}
.extrusao-tampa {
    position: absolute; left: 0; top: 0;
    transform-style: preserve-3d;
    border-radius: 6px;
    pointer-events: none;
}
.sombra-peca {
    position: absolute; left: 4%; width: 96%;
    background: radial-gradient(ellipse at center, rgba(15, 23, 42, .32) 0%, rgba(15, 23, 42, .12) 45%, rgba(15, 23, 42, 0) 72%);
    filter: blur(3px);
    pointer-events: none;
    transition: opacity .25s ease;
}
.peca.modo-plano .extrusao-volume, .peca.modo-plano .extrusao-tampa,
.peca.modo-plano .sombra-peca, .peca.modo-plano ~ .cotacao { display: none; }
.peca:not(.modo-plano) .conteudo-peca svg { filter: brightness(1.02) saturate(1.05); }

/* Camada do canvas em modo 3D: nao cortar os volumes extrudados */
.canvas-zona .canvas { overflow: visible; }

/* Cotagem em cm ao selecionar (estilo Homestyler) */
.cotacao {
    position: absolute; z-index: 20; pointer-events: none;
    font-size: .66rem; font-weight: 700; color: #fff;
    background: var(--sp-primaria); padding: 1px 7px; border-radius: var(--sp-r-pilula);
    box-shadow: var(--sp-sombra-1); white-space: nowrap; font-variant-numeric: tabular-nums;
}
.cotacao-largura { left: 50%; transform: translateX(-50%); }
.cotacao-profundidade { transform: translateY(-50%); }
.cotacao-altura { transform: translateY(-50%); background: var(--sp-texto-2); }

/* ---------- Controlo de orbita da camera (estilo Homestyler) ---------- */
.orbita-controlo {
    position: absolute; right: var(--sp-4); bottom: var(--sp-4); z-index: 45;
    display: flex; flex-direction: column; align-items: center; gap: 6px;
    background: rgba(255, 255, 255, .96); border: 1px solid var(--sp-borda);
    border-radius: 14px; padding: 8px; box-shadow: var(--sp-sombra-2);
    backdrop-filter: blur(6px);
    transition: opacity .25s ease;
}
.orbita-controlo.inactivo { opacity: .35; pointer-events: none; }
.orbita-meio { display: flex; align-items: center; gap: 4px; }
.orbita-btn {
    width: 26px; height: 26px; display: inline-flex; align-items: center; justify-content: center;
    border: 1px solid var(--sp-borda); background: var(--sp-superficie);
    border-radius: 8px; color: var(--sp-texto-2); font-size: .7rem; cursor: pointer;
    transition: all var(--sp-tr);
}
.orbita-btn:hover { background: var(--sp-primaria); color: #fff; border-color: var(--sp-primaria); }
.orbita-nucleo {
    width: 30px; height: 30px; display: inline-flex; align-items: center; justify-content: center;
    color: var(--sp-primaria); font-size: .95rem;
}
.orbita-reset {
    width: 26px; height: 22px; display: inline-flex; align-items: center; justify-content: center;
    border: none; background: transparent; color: var(--sp-texto-3);
    font-size: .68rem; cursor: pointer; border-radius: 6px;
}
.orbita-reset:hover { color: var(--sp-primaria-esc); background: var(--sp-superficie-2); }

/* ---------- Campos de medidas no painel ---------- */
.medidas-grelha { display: grid; grid-template-columns: 1fr 1fr; gap: var(--sp-2); }
.medida-campo { display: flex; flex-direction: column; gap: 2px; }
.medida-campo span { font-size: 0.68rem; color: var(--sp-texto-3); font-weight: 600; text-transform: uppercase; letter-spacing: .03em; }
.medida-campo input {
    width: 100%; padding: 0.3rem 0.45rem; font-size: 0.82rem;
    border: 1px solid var(--sp-borda); border-radius: var(--sp-r-sm);
    background: var(--sp-superficie); color: var(--sp-texto);
}
.medida-campo input:focus { outline: none; border-color: var(--sp-primaria); }
.peca .guia-v { left: 50%; top: 0; bottom: 0; width: 1px; }
.peca .guia-h { top: 50%; left: 0; right: 0; height: 1px; }
.peca.centrado .guia-v, .peca.centrado .guia-h { display: block; }

/* ---------- Painel de customizacao (direita) ---------- */
.painel-custom {
    background: var(--sp-superficie); border-left: 1px solid var(--sp-borda);
    overflow-y: auto; padding: var(--sp-4);
    display: flex; flex-direction: column; gap: var(--sp-4);
}
.painel-custom h3 { font-size: var(--sp-fs-sm); text-transform: uppercase; letter-spacing: .05em; color: var(--sp-texto-3); margin: 0; }
.painel-vazio { color: var(--sp-texto-3); font-size: var(--sp-fs-sm); text-align: center; padding: var(--sp-5) 0; }

.campo-custom { display: grid; gap: 6px; }
.campo-custom > label { font-size: var(--sp-fs-xs); font-weight: 600; color: var(--sp-texto-2); display: flex; justify-content: space-between; }
.campo-custom > label .valor { color: var(--sp-primaria-esc); font-variant-numeric: tabular-nums; }
input[type=range] {
    width: 100%; height: 4px; appearance: none; -webkit-appearance: none;
    background: var(--sp-borda); border-radius: 2px; outline: none;
}
input[type=range]::-webkit-slider-thumb {
    -webkit-appearance: none; width: 16px; height: 16px; border-radius: 50%;
    background: var(--sp-primaria); cursor: pointer; border: 2px solid #fff;
    box-shadow: var(--sp-sombra-1);
}
input[type=range]::-moz-range-thumb {
    width: 14px; height: 14px; border-radius: 50%;
    background: var(--sp-primaria); cursor: pointer; border: 2px solid #fff;
}

/* Paleta de cores */
.paleta { display: flex; flex-wrap: wrap; gap: 6px; }
.paleta button {
    width: 28px; height: 28px; border-radius: 50%; cursor: pointer;
    border: 2px solid rgba(255,255,255,.9); box-shadow: 0 0 0 1px var(--sp-borda-forte);
    transition: transform var(--sp-tr);
}
.paleta button:hover { transform: scale(1.15); }
.paleta button.activo { box-shadow: 0 0 0 2px var(--sp-primaria); transform: scale(1.12); }
.paleta input[type=color] { width: 28px; height: 28px; padding: 0; border: none; background: none; cursor: pointer; }
.paleta input[type=color]::-webkit-color-swatch-wrapper { padding: 0; }
.paleta input[type=color]::-webkit-color-swatch { border: 2px solid #fff; border-radius: 50%; box-shadow: 0 0 0 1px var(--sp-borda-forte); }

/* Botões de alternar (espelho, etc.) */
.alternadores { display: flex; gap: var(--sp-2); }
.alternador {
    flex: 1; padding: 0.45rem; font-size: var(--sp-fs-xs); font-weight: 600;
    border: 1px solid var(--sp-borda); border-radius: var(--sp-r-sm);
    background: var(--sp-superficie); color: var(--sp-texto-2); cursor: pointer;
    transition: all var(--sp-tr);
}
.alternador:hover { border-color: var(--sp-primaria-cl); }
.alternador.activo { background: rgba(99,102,241,.12); border-color: var(--sp-primaria); color: var(--sp-primaria-esc); }

/* Camadas */
.camadas { display: grid; gap: 4px; }
.camada {
    display: flex; align-items: center; gap: var(--sp-2);
    padding: 0.4rem 0.6rem; border: 1px solid var(--sp-borda);
    border-radius: var(--sp-r-sm); font-size: var(--sp-fs-xs); cursor: pointer;
    background: var(--sp-superficie);
}
.camada:hover { background: var(--sp-superficie-2); }
.camada.activa { border-color: var(--sp-primaria); background: rgba(99,102,241,.08); }
.camada .nome { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.camada .icone-acoes { display: flex; gap: 2px; }
.camada button { border: none; background: none; cursor: pointer; color: var(--sp-texto-3); padding: 2px 5px; border-radius: 4px; font-size: .8rem; }
.camada button:hover { background: var(--sp-borda); color: var(--sp-texto); }

/* ---------- Barra de estilo de divisao (topo do canvas) ---------- */
.divisao-chip {
    display: inline-flex; align-items: center; gap: 6px;
    font-size: var(--sp-fs-xs); font-weight: 700; padding: 0.3rem 0.7rem;
    border-radius: var(--sp-r-pilula); color: #fff;
}

/* ---------- Responsivo do editor ---------- */
@media (max-width: 1100px) {
    .editor { grid-template-columns: 230px 1fr; }
    .painel-custom {
        position: fixed; right: 0; top: 62px; bottom: 0; width: 280px; z-index: 60;
        box-shadow: var(--sp-sombra-3); transform: translateX(100%);
        transition: transform var(--sp-tr);
    }
    .painel-custom.aberto { transform: none; }
}
@media (max-width: 760px) {
    .editor { grid-template-columns: 1fr; grid-template-rows: auto auto 1fr; height: auto; }
    .biblio { border-right: none; border-bottom: 1px solid var(--sp-borda); max-height: 260px; }
    .canvas-zona { min-height: 55vh; padding: var(--sp-3); }
}

/* ---------- Visualizacao final (simulacao) ---------- */
.simulacao { position: relative; border-radius: var(--sp-r-lg); overflow: hidden; box-shadow: var(--sp-sombra-3); }
.simulacao .peca { cursor: default; filter: drop-shadow(0 4px 8px rgba(15,23,42,.22)); }