* {
    box-sizing: border-box;
}

html,
body {
    margin: 0;
    min-height: 100%;
    font-family: Arial, Helvetica, sans-serif;
    background: #f2f4f7;
    color: #1f2937;
}

button {
    font: inherit;
}

#simuladorDigital {
    width: 100%;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.sd-topo {
    min-height: 72px;
    padding: 12px 18px;
    background: #ffffff;
    border-bottom: 1px solid #d6dbe3;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}

.sd-topo h1 {
    margin: 0;
    font-size: 22px;
}

.sd-topo p {
    margin: 4px 0 0;
    color: #667085;
    font-size: 14px;
}

.sd-acoes-topo {
    display: flex;
    gap: 8px;
}

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

.sd-barra {
    width: 220px;
    min-width: 220px;
    padding: 12px;
    overflow-y: auto;
    background: #ffffff;
    border-right: 1px solid #d6dbe3;
}

.sd-grupo {
    margin-bottom: 18px;
}

.sd-grupo h2 {
    margin: 0 0 8px;
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: #667085;
}

.sd-grupo button {
    width: 100%;
    margin-bottom: 6px;
    min-height: 36px;
    border: 1px solid #cfd6df;
    border-radius: 6px;
    background: #ffffff;
    cursor: pointer;
}

.sd-grupo button:hover {
    background: #f5f7fa;
}

.sd-grupo button.ativo {
    border-color: #1f6feb;
    background: #eaf2ff;
    font-weight: 700;
}

.sd-info {
    border-top: 1px solid #e5e7eb;
    padding-top: 14px;
    font-size: 13px;
}

.sd-info > div {
    margin-bottom: 12px;
    padding: 7px 8px;
    border-radius: 5px;
    background: #f4f6f8;
}

.sd-dica {
    line-height: 1.4;
    color: #667085;
}

.sd-area {
    position: relative;
    flex: 1;
    min-width: 0;
    min-height: 500px;
    overflow: hidden;
    background: #fbfbfc;
    cursor: crosshair;
}

#canvasVisivel,
#canvasId {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
}

#canvasVisivel {
    z-index: 1;
}

#canvasId {
    z-index: 0;
    display: none;
}

#mensagemStatus {
    position: absolute;
    z-index: 3;
    left: 12px;
    bottom: 12px;
    max-width: min(620px, calc(100% - 24px));
    padding: 7px 10px;
    border-radius: 6px;
    background: rgba(20, 24, 31, 0.82);
    color: #ffffff;
    font-size: 13px;
    pointer-events: none;
}

@media (max-width: 820px) {
    .sd-barra {
        width: 170px;
        min-width: 170px;
    }

    .sd-topo h1 {
        font-size: 18px;
    }
}

.sd-campo {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    margin-bottom: 8px;
    font-size: 13px;
    color: #475467;
}

.sd-campo select {
    width: 64px;
    min-height: 32px;
    border: 1px solid #cfd6df;
    border-radius: 6px;
    background: #ffffff;
    padding: 3px 6px;
}

.sd-btn-simulacao {
    min-height: 38px;
    padding: 0 14px;
    border: 1px solid #15803d;
    border-radius: 6px;
    background: #16a34a;
    color: #fff;
    cursor: pointer;
    font-weight: 700;
}
.sd-btn-simulacao:hover { background: #15803d; }
.sd-btn-simulacao.ligada { border-color:#b91c1c; background:#dc2626; }
.sd-btn-simulacao.ligada:hover { background:#b91c1c; }
#simuladorDigital.modo-simulacao .ferramenta,
#simuladorDigital.modo-simulacao #btnExcluir,
#simuladorDigital.modo-simulacao #btnGirar,
#simuladorDigital.modo-simulacao #btnEspelharH,
#simuladorDigital.modo-simulacao #btnEspelharV,
#simuladorDigital.modo-simulacao #btnCopiar,
#simuladorDigital.modo-simulacao #btnRecortar,
#simuladorDigital.modo-simulacao #btnColar,
#simuladorDigital.modo-simulacao #btnUndo,
#simuladorDigital.modo-simulacao #btnRedo,
#simuladorDigital.modo-simulacao #numeroEntradasPorta {
    opacity:.45;
    pointer-events:none;
}

.sd-frame-control {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    min-height: 38px;
    padding: 0 8px;
    border: 1px solid #cfd6df;
    border-radius: 6px;
    background: #fff;
    font-size: 13px;
}
.sd-frame-control input {
    width: 72px;
    min-height: 28px;
    border: 1px solid #cfd6df;
    border-radius: 5px;
    padding: 2px 5px;
}
#btnPausePlay,
#btnAvancarFrame {
    min-height: 38px;
    padding: 0 10px;
    border: 1px solid #cfd6df;
    border-radius: 6px;
    background: #fff;
    cursor: pointer;
}
#btnPausePlay:disabled,
#btnAvancarFrame:disabled {
    opacity: .45;
    cursor: default;
}


.sd-clock-control { display:flex; align-items:center; gap:6px; margin-top:7px; font-size:12px; }
.sd-clock-control input { width:72px; min-height:28px; border:1px solid #cfd6df; border-radius:5px; padding:2px 5px; }


#btnDiagramaTempo {
    min-height: 38px;
    padding: 0 11px;
    border: 1px solid #cfd6df;
    border-radius: 6px;
    background: #ffffff;
    cursor: pointer;
}

#btnDiagramaTempo:disabled {
    opacity: 0.45;
    cursor: default;
}

.sd-modal {
    position: fixed;
    inset: 0;
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    background: rgba(15, 23, 42, 0.55);
}

.sd-modal.oculto {
    display: none;
}

.sd-modal-conteudo {
    background: #ffffff;
    border-radius: 10px;
    box-shadow: 0 24px 60px rgba(15, 23, 42, 0.28);
}

.sd-modal-diagrama {
    width: min(96vw, 1400px);
    height: min(90vh, 900px);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.sd-modal-topo {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    border-bottom: 1px solid #e5e7eb;
}

.sd-modal-topo h2 {
    margin: 0;
    font-size: 18px;
}

#btnFecharDiagrama {
    width: 36px;
    height: 36px;
    border: 1px solid #d0d5dd;
    border-radius: 6px;
    background: #ffffff;
    cursor: pointer;
    font-size: 24px;
    line-height: 1;
}

.sd-diagrama-controles {
    display: flex;
    flex-wrap: wrap;
    align-items: end;
    gap: 10px;
    padding: 12px 16px;
    border-bottom: 1px solid #e5e7eb;
}

.sd-diagrama-controles label {
    display: flex;
    flex-direction: column;
    gap: 4px;
    font-size: 12px;
    color: #475467;
}

.sd-diagrama-controles input {
    width: 110px;
    min-height: 34px;
    border: 1px solid #cfd6df;
    border-radius: 6px;
    padding: 4px 7px;
}

.sd-diagrama-controles button {
    min-height: 34px;
    border: 1px solid #cfd6df;
    border-radius: 6px;
    background: #ffffff;
    padding: 0 10px;
    cursor: pointer;
}

.sd-info-diagrama {
    padding: 8px 16px;
    font-size: 12px;
    color: #475467;
    border-bottom: 1px solid #e5e7eb;
}

.sd-canvas-diagrama-wrap {
    flex: 1;
    min-height: 0;
    overflow: auto;
    background: #ffffff;
}

#canvasDiagramaTempo {
    display: block;
}

.sd-zoom-diagrama-info {
    padding: 6px 16px;
    font-size: 12px;
    color: #667085;
    border-bottom: 1px solid #e5e7eb;
    background: #fafafa;
}


.sd-projeto-control {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    min-height: 38px;
    padding: 0 8px;
    border: 1px solid #cfd6df;
    border-radius: 6px;
    background: #ffffff;
    font-size: 13px;
}

.sd-projeto-control input {
    width: 170px;
    min-height: 28px;
    border: 1px solid #cfd6df;
    border-radius: 5px;
    padding: 3px 7px;
}

#btnSalvarProjeto,
#btnAbrirProjeto {
    min-height: 38px;
    padding: 0 11px;
    border: 1px solid #cfd6df;
    border-radius: 6px;
    background: #ffffff;
    cursor: pointer;
}

.sd-modal-abrir {
    width: min(92vw, 620px);
    max-height: min(82vh, 720px);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.sd-lista-projetos-wrap {
    flex: 1;
    overflow: auto;
    padding: 12px;
}

.sd-info-projetos {
    margin-bottom: 10px;
    color: #667085;
    font-size: 13px;
}

.sd-lista-projetos {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.sd-item-projeto {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid #d0d5dd;
    border-radius: 6px;
    background: #ffffff;
    text-align: left;
    cursor: pointer;
}

.sd-item-projeto:hover {
    background: #f8fafc;
}

.sd-item-projeto.selecionado {
    border-color: #1f6feb;
    background: #eaf2ff;
    font-weight: 700;
}

.sd-modal-rodape {
    display: flex;
    justify-content: flex-end;
    gap: 8px;
    padding: 12px;
    border-top: 1px solid #e5e7eb;
}

.sd-modal-rodape button {
    min-height: 36px;
    padding: 0 12px;
    border: 1px solid #cfd6df;
    border-radius: 6px;
    background: #ffffff;
    cursor: pointer;
}

#simuladorDigital.modo-simulacao #btnSalvarProjeto,
#simuladorDigital.modo-simulacao #btnAbrirProjeto,
#simuladorDigital.modo-simulacao #nomeProjeto {
    opacity: 0.45;
    pointer-events: none;
}


#btnCriarBloco {
    min-height: 38px;
    padding: 0 11px;
    border: 1px solid #cfd6df;
    border-radius: 6px;
    background: #ffffff;
    cursor: pointer;
}

#btnCriarBloco:disabled {
    opacity: 0.45;
    cursor: default;
}

.sd-modal-bloco {
    width: min(97vw, 1250px);
    height: min(92vh, 860px);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.sd-bloco-corpo {
    flex: 1;
    min-height: 0;
    display: flex;
}

.sd-bloco-lateral {
    width: 320px;
    min-width: 320px;
    padding: 14px;
    overflow-y: auto;
    border-right: 1px solid #e5e7eb;
}

.sd-bloco-lateral h3 {
    margin: 14px 0 7px;
    font-size: 13px;
    color: #475467;
}

.sd-bloco-nome,
.sd-upload-bloco {
    display: flex;
    flex-direction: column;
    gap: 5px;
    font-size: 12px;
    color: #475467;
    margin-bottom: 12px;
}

.sd-bloco-nome input,
.sd-upload-bloco input {
    min-height: 34px;
    border: 1px solid #cfd6df;
    border-radius: 6px;
    padding: 4px 7px;
}

.sd-bloco-instrucao {
    margin: 10px 0;
    padding: 8px;
    border-radius: 6px;
    background: #f8fafc;
    font-size: 12px;
    line-height: 1.4;
    color: #475467;
}

.sd-bloco-info {
    margin: 7px 0;
    font-size: 12px;
    color: #667085;
}

.sd-lista-terminais {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.sd-terminal-bloco {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    width: 100%;
    padding: 7px 9px;
    border: 1px solid #d0d5dd;
    border-radius: 6px;
    background: #ffffff;
    cursor: pointer;
    text-align: left;
}

.sd-terminal-bloco.ativo {
    border-color: #1f6feb;
    background: #eaf2ff;
}

.sd-terminal-bloco.posicionado::after {
    content: '✓';
    font-weight: 700;
}

.sd-bloco-lateral > button {
    width: 100%;
    min-height: 36px;
    margin: 8px 0;
    border: 1px solid #cfd6df;
    border-radius: 6px;
    background: #ffffff;
    cursor: pointer;
}

.sd-bloco-lateral > button:disabled {
    opacity: .45;
    cursor: default;
}

.sd-bloco-editor-wrap {
    flex: 1;
    min-width: 0;
    overflow: auto;
    background: #f7f8fa;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 16px;
}

#canvasEditorBloco {
    background: #ffffff;
    border: 1px solid #d0d5dd;
    cursor: crosshair;
}

#simuladorDigital.modo-simulacao #btnCriarBloco {
    opacity: .45;
    pointer-events: none;
}


.sd-item-bloco {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid #d0d5dd;
    border-radius: 6px;
    background: #ffffff;
    text-align: left;
    cursor: pointer;
}

.sd-item-bloco:hover {
    background: #f8fafc;
}

.sd-item-bloco.selecionado {
    border-color: #1f6feb;
    background: #eaf2ff;
}

.sd-item-bloco strong {
    display: block;
    margin-bottom: 4px;
}

.sd-item-bloco small {
    color: #667085;
}

.sd-grupo-blocos-titulo {
    margin: 12px 0 6px;
    padding: 6px 8px;
    border-radius: 5px;
    background: #f2f4f7;
    color: #344054;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}


.sd-ordem-sinais-diagrama {
    padding: 8px 16px;
    border-bottom: 1px solid #e5e7eb;
    background: #ffffff;
}

.sd-ordem-sinais-titulo {
    margin-bottom: 6px;
    color: #344054;
    font-size: 12px;
    font-weight: 700;
}

#ordemSinaisDiagrama {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.sd-ordem-sinal-item {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    min-height: 30px;
    padding: 3px 5px 3px 8px;
    border: 1px solid #d0d5dd;
    border-radius: 6px;
    background: #f8fafc;
    font-size: 12px;
}

.sd-ordem-sinal-item span {
    max-width: 180px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.sd-ordem-sinal-item button {
    width: 26px;
    height: 24px;
    padding: 0;
    border: 1px solid #cfd6df;
    border-radius: 4px;
    background: #ffffff;
    cursor: pointer;
    line-height: 1;
}

.sd-ordem-sinal-item button:disabled {
    opacity: 0.35;
    cursor: default;
}


/* v023 - barra de ferramentas com rolagem independente */
.sd-barra {
    height: calc(100vh - 70px);
    max-height: calc(100vh - 70px);
    overflow-y: auto;
    overflow-x: hidden;
    overscroll-behavior: contain;
    scrollbar-gutter: stable;
}

/* Impede a barra lateral de aumentar a altura do layout principal. */
.sd-layout {
    min-height: 0;
}

.sd-area-canvas {
    min-height: 0;
}