/* Árvore de localizações, armazéns, formulários, importação, modo escuro (parte de style.css) */
/* ============================================================
   ÁRVORE DE LOCALIZAÇÕES (expandir/recolher por armazém/corredor/rack)
   ============================================================ */
.tree-toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
    margin-bottom: 12px;
}

.tree-contagem {
    font-size: 12px;
    color: var(--texto-2, #6b6f64);
    font-variant-numeric: tabular-nums;
}

.tree-acoes {
    display: flex;
    gap: 6px;
}

.tree-acoes .btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.tree-acoes .btn svg {
    width: 13px;
    height: 13px;
    flex-shrink: 0;
}

tr.grupo {
    cursor: pointer;
    user-select: none;
    background-color: var(--superficie-2, #fafbf8);
}

tr.grupo td {
    padding: 10px 14px;
    border-bottom: 1px solid var(--borda, #e6e7e2);
}

tr.grupo:hover td {
    background-color: #eef1e4;
}

.grupo-linha {
    display: flex;
    align-items: center;
    gap: 10px;
}

.grupo-chevron {
    width: 14px;
    height: 14px;
    flex-shrink: 0;
    color: var(--texto-2, #6b6f64);
    transition: transform 0.2s ease;
}

tr.grupo.recolhida .grupo-chevron {
    transform: rotate(-90deg);
}

.grupo-titulo {
    font-weight: 600;
    font-size: 13px;
    color: var(--texto, #1c1e19);
    white-space: nowrap;
}

.grupo-info {
    font-size: 11.5px;
    color: var(--texto-2, #6b6f64);
    font-weight: 400;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.grupo-linha { flex-wrap: wrap; }

.grupo-accao {
    margin-left: auto;
    flex-shrink: 0;
    font-size: 11px;
    padding: 5px 11px;
    opacity: 0.75;
    transition: opacity 0.15s ease, background 0.15s ease;
}

tr.grupo:hover .grupo-accao { opacity: 1; }

/* Níveis da árvore */
.g-armazem td {
    background-color: #f3f5eb;
}

.g-armazem .grupo-titulo {
    text-transform: uppercase;
    letter-spacing: 0.6px;
    font-size: 12.5px;
    color: #535735;
}

.g-corredor td {
    padding-left: 34px;
    background-color: #f8f9f3;
}

.g-rack td {
    padding-left: 56px;
}

.g-rack .grupo-titulo {
    font-weight: 500;
    color: var(--texto-2, #6b6f64);
}

/* Linhas de detalhe (alturas) */
tr.detalhe td {
    font-size: 13px;
}

.cel-eco {
    color: #b0b4a4;
    font-size: 12px;
}

.cel-altura {
    font-weight: 600;
    letter-spacing: 0.5px;
}

tr.oculta {
    display: none;
}

.lista-vazia {
    text-align: center;
    color: var(--texto-2, #6b6f64);
    padding: 32px 20px !important;
    font-style: italic;
}

/* Modo escuro da árvore */
body.dark tr.grupo:hover td { background-color: #2b2f24; }
body.dark .g-armazem td { background-color: #262a1e; }
body.dark .g-armazem .grupo-titulo { color: #b8bd96; }
body.dark .g-corredor td { background-color: #21241b; }
body.dark .cel-eco { color: #5f6356; }

/* ============================================================
   GESTÃO DE ARMAZÉMS
   ============================================================ */
.armazens-lista {
    max-height: 300px;
    overflow-y: auto;
    margin-bottom: 16px;
    border: 1px solid var(--borda, #e6e7e2);
    border-radius: 10px;
}

.armazem-linha {
    display: flex;
    gap: 8px;
    align-items: center;
    flex-wrap: wrap;
    padding: 9px 10px;
    border-bottom: 1px solid var(--borda, #e6e7e2);
}

.armazem-linha:last-child { border-bottom: none; }

.armazem-codigo {
    font-family: 'Consolas', 'Courier New', monospace;
    font-weight: 700;
    font-size: 13px;
    letter-spacing: 1.5px;
    background: #eef0e4;
    color: #535735;
    padding: 5px 9px;
    border-radius: 6px;
    flex-shrink: 0;
}

.armazem-nome {
    flex: 1;
    min-width: 130px;
    padding: 8px 10px;
    border: 1px solid var(--borda, #e6e7e2);
    border-radius: 7px;
    font-size: 13px;
    font-family: inherit;
    background: var(--superficie, #fff);
    color: var(--texto, #1c1e19);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.armazem-nome:focus {
    outline: none;
    border-color: var(--verde-claro, #8b8b5a);
    box-shadow: 0 0 0 3px rgba(139, 139, 90, 0.15);
}

.armazem-contagem {
    font-size: 11px;
    color: var(--texto-2, #6b6f64);
    white-space: nowrap;
    font-variant-numeric: tabular-nums;
}

/* Toggle "Armazena produtos" */
.armazem-flag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 11px;
    color: var(--texto-2, #6b6f64);
    cursor: pointer;
    white-space: nowrap;
    user-select: none;
}

.armazem-flag input {
    accent-color: var(--verde, #535735);
    cursor: pointer;
}

/* Localização do produto — seletor em cascata (armazém › corredor › rack) */
.loc-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

.loc-campo:first-child { grid-column: 1 / -1; }

.loc-campo label {
    display: block;
    font-size: 12px;
    color: var(--texto-2, #6b6f64);
    margin-bottom: 4px;
}

.loc-campo select {
    width: 100%;
    padding: 8px 10px;
    border: 1px solid var(--borda, #e6e7e2);
    border-radius: 7px;
    font-size: 13px;
    font-family: inherit;
    background: var(--superficie, #fff);
    color: var(--texto, #1c1e19);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.loc-campo select:focus {
    outline: none;
    border-color: var(--verde-claro, #8b8b5a);
    box-shadow: 0 0 0 3px rgba(139, 139, 90, 0.15);
}

.loc-campo select:disabled {
    opacity: 0.55;
    cursor: not-allowed;
    background: var(--fundo, #f6f7f2);
}

.loc-preview {
    margin: 12px 0 0;
    font-family: 'Consolas', 'Courier New', monospace;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.5px;
    text-align: center;
    color: var(--verde, #535735);
    background: #eef0e4;
    border-radius: 7px;
    padding: 7px 10px;
}

.loc-nota {
    margin: 6px 0 0;
    font-size: 11.5px;
    color: var(--texto-2, #6b6f64);
    text-align: center;
}

.loc-nota:empty { display: none; }

/* Seletor de marca com logotipos */
.marcas-picker {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.marca-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 68px;
    height: 42px;
    padding: 5px 8px;
    border: 1px solid var(--borda, #e6e7e2);
    border-radius: 8px;
    background: #fff;
    cursor: pointer;
    transition: border-color 0.15s ease, box-shadow 0.15s ease, transform 0.15s ease;
}

.marca-btn img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    /* Logotipos das marcas são brancos (para fundos escuros) — aqui ficam a preto */
    filter: brightness(0);
}

.marca-btn:hover {
    border-color: var(--verde-claro, #8b8b5a);
    transform: translateY(-1px);
}

.marca-btn.ativo {
    border-color: var(--verde, #535735);
    box-shadow: 0 0 0 3px rgba(139, 139, 90, 0.2);
}

.marca-btn-outra {
    font-size: 17px;
    font-weight: 600;
    color: var(--texto-2, #6b6f64);
    background: var(--fundo, #f6f7f2);
}

.marca-custom { margin-top: 8px; }

body.dark .marca-btn { border-color: #3a3e2e; }
body.dark .marca-btn-outra { background: #262a1e; }

/* (estilos da marca na tabela: ver "Tabela de produtos" no fim do ficheiro) */

.btn-mini {
    padding: 6px 10px;
    font-size: 15px;
    line-height: 1;
}

.armazem-novo {
    display: grid;
    grid-template-columns: 90px 1fr auto;
    gap: 10px;
    align-items: end;
    padding-top: 16px;
    border-top: 1px dashed var(--borda, #e6e7e2);
}

.armazem-novo input {
    text-transform: uppercase;
}

#novo-arm-codigo {
    font-family: 'Consolas', 'Courier New', monospace;
    letter-spacing: 1.5px;
    font-weight: 600;
    text-align: center;
}

.armazens-vazio,
.armazens-erro {
    padding: 18px;
    font-size: 13px;
    color: var(--texto-2, #6b6f64);
    text-align: center;
}

.armazens-erro { color: #c0392b; }

.grupo-nome {
    font-weight: 400;
    color: var(--texto-2, #6b6f64);
    text-transform: none;
    letter-spacing: normal;
}

body.dark .armazem-codigo { background: #343828; color: #c8cda8; }
body.dark .loc-preview { background: #343828; color: #c8cda8; }

@media (max-width: 480px) {
    .armazem-novo { grid-template-columns: 1fr; }
    .armazem-novo .btn { width: 100%; }
    .loc-grid { grid-template-columns: 1fr; }
}

/* Criar corredor completo */
.corredor-campos {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
}

.corredor-campos input {
    text-transform: uppercase;
    font-family: 'Consolas', 'Courier New', monospace;
    letter-spacing: 1.5px;
    font-size: 15px;
}

.corredor-preview {
    min-height: 56px;
    margin-bottom: 18px;
    padding: 14px 16px;
    border: 1px dashed var(--borda, #d9dad4);
    border-radius: 10px;
    background: var(--superficie-2, #fafbf8);
    font-size: 13px;
    color: var(--texto-2, #6b6f64);
    transition: border-color 0.2s ease, background 0.2s ease;
}

.corredor-preview.ok {
    border-style: solid;
    border-color: #b8c39a;
    background: #f7f9f0;
}

.corredor-preview.erro {
    border-style: solid;
    border-color: #e6b0ad;
    background: #fdf3f2;
}

.corredor-vazio { font-style: italic; opacity: 0.7; }

.corredor-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 7px;
    margin-bottom: 10px;
}

.corredor-chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 10px;
    background: #fff;
    border: 1px solid #dfe2d4;
    border-radius: 999px;
    font-size: 11.5px;
    color: #6b6f64;
}

.corredor-chip strong {
    font-family: 'Consolas', 'Courier New', monospace;
    color: var(--texto, #1c1e19);
    letter-spacing: 0.5px;
}

.corredor-chip em {
    font-style: normal;
    background: #eef0e4;
    color: #535735;
    border-radius: 999px;
    padding: 1px 7px;
    font-size: 10.5px;
    font-weight: 600;
}

.corredor-total {
    font-size: 13px;
    color: var(--texto, #1c1e19);
    margin-bottom: 6px;
}

.corredor-total strong {
    font-size: 17px;
    color: #535735;
}

.corredor-exemplos {
    font-family: 'Consolas', 'Courier New', monospace;
    font-size: 11.5px;
    color: #8b8f80;
    letter-spacing: 0.5px;
    word-break: break-all;
}

.corredor-erro-msg { color: #c0392b; font-size: 12.5px; }

#corredor-criar:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

body.dark .corredor-preview.ok { background: #232a1c; border-color: #4a5540; }
body.dark .corredor-preview.erro { background: #2c1e1d; border-color: #6b403d; }
body.dark .corredor-chip { background: var(--superficie-2, #23261d); border-color: var(--borda, #2e3126); color: var(--texto-2, #9a9d8e); }
body.dark .corredor-chip em { background: #343828; color: #b8bd96; }

.close-btn {
    position: absolute;
    top: 20px;
    right: 25px;
    font-size: 28px;
    cursor: pointer;
    color: #999;
    font-weight: 300;
}

.close-btn:hover {
    color: #333;
}

.modal h2 {
    margin-bottom: 25px;
    font-weight: 300;
    font-size: 24px;
    color: #1a1a1a;
}

/* Actions */
.actions {
    display: flex;
    gap: 5px;
}

.actions button {
    padding: 5px 10px;
    font-size: 12px;
}

/* Barcode */
.barcode-section {
    margin-top: 20px;
    padding: 15px;
    background-color: #f8f9fa;
    border-radius: 4px;
    text-align: center;
}

.barcode-section input {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 16px;
    text-align: center;
}

/* Hidden */
.hidden {
    display: none !important;
}

/* Import Section */
.import-container {
    max-width: 800px;
}

.upload-section, .preview-section, .data-section {
    background: var(--superficie);
    border: 1px solid var(--borda);
    border-radius: var(--raio);
    padding: 28px 30px;
    margin-bottom: 20px;
    box-shadow: var(--sombra-sm);
}

.upload-section h3, .preview-section h3, .data-section h3 {
    font-weight: 400;
    font-size: 16px;
    color: #1a1a1a;
    margin-bottom: 15px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.upload-section p {
    color: #666;
    margin-bottom: 20px;
}

#document-preview {
    text-align: center;
    padding: 20px;
    background: #fafafa;
    border: 1px solid #eee;
}

#document-preview img {
    max-width: 100%;
    max-height: 500px;
}

#document-preview iframe {
    width: 100%;
    height: 500px;
    border: none;
}

.extracted-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 15px;
}

.extracted-table th, .extracted-table td {
    padding: 12px 15px;
    text-align: left;
    border-bottom: 1px solid #eee;
}

.extracted-table th {
    background-color: #fafafa;
    font-weight: 500;
    font-size: 12px;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    color: #666;
}

.extracted-table input {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid #ddd;
    border-radius: 2px;
    font-size: 14px;
}

.extracted-table input:focus {
    outline: none;
    border-color: #535735;
}

/* Zona de upload drag & drop */
.drop-zone {
    border: 2px dashed #ccc;
    border-radius: 8px;
    padding: 40px 20px;
    text-align: center;
    cursor: pointer;
    transition: all 0.25s ease;
    background: #fafafa;
    color: #666;
}
.drop-zone:hover, .drop-zone.dragging {
    border-color: #535735;
    background: #f2f4ec;
    color: #3d4028;
}
.drop-zone-icon { margin-bottom: 12px; color: #8b8b5a; }
.drop-zone-icon svg { width: 40px; height: 40px; stroke-width: 1.5; }
.drop-zone-hint { font-size: 12px; color: #999; margin-top: 6px; }

.import-nota {
    margin: 0 0 16px;
    padding: 10px 14px;
    border-radius: 8px;
    background: #fff7ed;
    border: 1px solid #f5d7b0;
    color: #8a5a1c;
    font-size: 13px;
}
/* Estado do produto na tabela de importação */
.cel-produto { min-width: 170px; }
.estado-produto { display: flex; flex-direction: column; gap: 3px; font-size: 12px; color: #888; }
.estado-chip {
    align-self: flex-start;
    padding: 3px 9px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 700;
    white-space: nowrap;
}
.estado-produto small { font-size: 11.5px; line-height: 1.3; color: #666; }
.estado-produto.existente .estado-chip { background: rgba(39, 174, 96, 0.16); color: #1e8449; }
.estado-produto.novo .estado-chip { background: rgba(230, 126, 34, 0.18); color: #b9650f; }
body.dark .estado-produto small { color: var(--texto-2); }
body.dark .estado-produto.existente .estado-chip { color: #6fdc9a; }
body.dark .estado-produto.novo .estado-chip { color: #f0b36b; }

/* Pedido de criação de produtos */
.novo-prod-intro { font-size: 14px; color: #555; margin-bottom: 14px; }
.novo-prod-lista { display: flex; flex-direction: column; gap: 12px; }
.novo-prod {
    border: 1px solid #e3e5dc;
    border-radius: 10px;
    padding: 12px 14px;
    background: #fafaf7;
}
.novo-prod:has(.np-incluir:not(:checked)) { opacity: 0.55; }
.novo-prod-cab { display: flex; align-items: center; gap: 10px; font-size: 14px; cursor: pointer; margin-bottom: 10px; }
.novo-prod-qtd { margin-left: auto; font-size: 12px; color: #777; }
.novo-prod-campos {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px 12px;
}
.novo-prod-campos .np-largo { grid-column: 1 / -1; }
.novo-prod-campos label {
    display: flex;
    flex-direction: column;
    gap: 4px;
    font-size: 11.5px;
    font-weight: 600;
    letter-spacing: 0.4px;
    text-transform: uppercase;
    color: #666;
}
.novo-prod-campos input,
.novo-prod-campos select {
    padding: 8px 10px;
    border: 1px solid #ddd;
    border-radius: 6px;
    font: inherit;
    font-size: 14px;
    font-weight: 400;
    letter-spacing: 0;
    text-transform: none;
    color: #1a1a1a;
    background: #fff;
}
.novo-prod-campos input:focus,
.novo-prod-campos select:focus { outline: none; border-color: #535735; }
.novo-prod-acoes { margin-top: 18px; display: flex; gap: 10px; justify-content: flex-end; flex-wrap: wrap; }
body.dark .novo-prod-intro { color: var(--texto-2); }
body.dark .novo-prod { background: var(--superficie-2); border-color: var(--borda); }
body.dark .novo-prod-campos label,
body.dark .novo-prod-qtd { color: var(--texto-2); }
body.dark .novo-prod-campos input,
body.dark .novo-prod-campos select { background: var(--superficie); border-color: var(--borda); color: var(--texto); }
@media (max-width: 560px) { .novo-prod-campos { grid-template-columns: 1fr; } }

.import-campos {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 12px;
}
.import-campos label {
    display: flex;
    flex-direction: column;
    gap: 5px;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.4px;
    text-transform: uppercase;
    color: #666;
}
.import-campos input {
    padding: 9px 12px;
    border: 1px solid #ddd;
    border-radius: 6px;
    font-size: 14px;
    font-family: inherit;
    font-weight: 400;
    letter-spacing: 0;
    text-transform: none;
    color: #1a1a1a;
    background: #fff;
}
.import-campos input:focus { outline: none; border-color: #535735; }
body.dark .import-campos label { color: var(--texto-2); }
body.dark .import-campos input { background: var(--superficie-2); border-color: var(--borda); color: var(--texto); }
.import-nota.ok { background: #f0f8f1; border-color: #cfe6d3; color: #1e6b36; }
.item-incerto,
.extracted-table input.item-incerto {
    border-color: #e67e22;
    background: #fff7ed;
}
.item-aviso {
    display: block;
    margin-top: 4px;
    font-size: 12px;
    line-height: 1.3;
    color: #b9650f;
}
.item-nota {
    display: block;
    margin-top: 4px;
    font-size: 12px;
    line-height: 1.3;
    color: #6b6f55;
}
body.dark .item-nota { color: var(--texto-2); }
body.dark .import-nota { background: rgba(230, 126, 34, 0.12); border-color: rgba(230, 126, 34, 0.35); color: #f0b36b; }
body.dark .import-nota.ok { background: rgba(39, 174, 96, 0.12); border-color: rgba(39, 174, 96, 0.35); color: #6fdc9a; }
body.dark .item-incerto,
body.dark .extracted-table input.item-incerto { background: rgba(230, 126, 34, 0.14); }
body.dark .item-aviso { color: #f0b36b; }

.drop-zone:focus-visible {
    outline: 2px solid #535735;
    outline-offset: 2px;
    border-color: #535735;
}
.import-acoes {
    margin-top: 20px;
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}
#file-name { margin: 14px 0 0; font-size: 13px; color: #666; }
#file-name:empty { display: none; }
.btn:disabled { opacity: 0.6; cursor: not-allowed; }

/* Barra de progresso OCR */
.ocr-progress { margin-top: 18px; }
.ocr-progress-track {
    height: 8px;
    background: #eee;
    border-radius: 4px;
    overflow: hidden;
}
.ocr-progress-bar {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, #535735, #8b8b5a);
    border-radius: 4px;
    transition: width 0.4s ease;
}
.ocr-progress span {
    display: block;
    margin-top: 8px;
    font-size: 12px;
    color: #888;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Botões no header */
.header-actions {
    display: flex;
    gap: 10px;
    align-items: center;
}

.header-actions .btn-icon-text {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    font-weight: 500;
    padding: 10px 18px;
    border-radius: 10px;
    letter-spacing: 0.2px;
    height: 44px;
}

.header-actions .btn-icon-text svg {
    width: 15px;
    height: 15px;
    stroke-width: 2.2;
    flex-shrink: 0;
}

#theme-toggle,
#logout-btn {
    width: 44px;
    height: 44px;
    padding: 0;
    border-radius: 10px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

#theme-toggle svg,
#logout-btn svg {
    width: 19px;
    height: 19px;
    stroke-width: 2;
}

#user-name {
    font-size: 13px;
    font-weight: 500;
    color: #d4d6cb;
    margin-right: 4px;
    letter-spacing: 0.2px;
}

.btn-sm {
    padding: 8px 15px;
    font-size: 12px;
    border-radius: 7px;
}

.btn-ghost {
    background: transparent;
    color: #b9bcae;
    border: 1px solid #3a3d30;
    padding: 8px 13px;
    font-size: 12px;
    border-radius: 7px;
    box-shadow: none;
}
.btn-ghost:hover { background: #2c2f22; color: #fff; border-color: #4a4d3e; }

.header-icon-btn {
    font-size: 16px;
    padding: 7px 11px;
    line-height: 1;
}

/* Toasts */
#toast-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 2000;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.toast {
    background: #1a1a1a;
    color: #fff;
    padding: 14px 20px;
    border-radius: 6px;
    font-size: 14px;
    min-width: 260px;
    max-width: 380px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.25);
    display: flex;
    align-items: center;
    gap: 10px;
    animation: toastIn 0.3s ease;
    border-left: 4px solid #535735;
}

.toast.success { border-left-color: #27ae60; }
.toast.error { border-left-color: #e74c3c; }
.toast.info { border-left-color: #3498db; }

.toast.out { animation: toastOut 0.3s ease forwards; }

@keyframes toastIn {
    from { transform: translateX(120%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}
@keyframes toastOut {
    from { transform: translateX(0); opacity: 1; }
    to { transform: translateX(120%); opacity: 0; }
}

/* Skeleton loaders */
.skeleton-row td {
    padding: 15px 20px;
}

.skeleton {
    display: block;
    height: 14px;
    border-radius: 4px;
    background: linear-gradient(90deg, #eee 25%, #f5f5f5 50%, #eee 75%);
    background-size: 200% 100%;
    animation: shimmer 1.2s infinite;
}

@keyframes shimmer {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* Tabelas ordenáveis */
th.sortable {
    cursor: pointer;
    user-select: none;
    position: relative;
    padding-right: 30px;
}
th.sortable::after {
    content: '⇅';
    position: absolute;
    right: 10px;
    opacity: 0.35;
    font-size: 13px;
}
th.sortable.asc::after { content: '↑'; opacity: 1; }
th.sortable.desc::after { content: '↓'; opacity: 1; }

/* Modo escuro */
body.dark {
    --fundo: #131510;
    --superficie: #1c1e17;
    --superficie-2: #23261d;
    --borda: #2e3126;
    --texto: #e4e6dd;
    --texto-2: #9a9d8e;
    background-color: var(--fundo);
    color: var(--texto);
}
body.dark .stat-card,
body.dark .card,
body.dark .table-container,
body.dark .upload-section,
body.dark .preview-section,
body.dark .data-section,
body.dark .modal-content,
body.dark .login-container {
    background: #262a1e;
    border-color: #3a3e2e;
    box-shadow: 0 20px 60px -30px rgba(0, 0, 0, 0.9), 0 2px 8px rgba(0, 0, 0, 0.3);
}

body.dark .login-container h1,
body.dark .login-container h2,
body.dark .modal h2 { color: var(--texto); }

body.dark .login-rodape {
    color: #a6a998;
}

body.dark .page-login {
    background: radial-gradient(1200px 800px at 50% 0%, rgba(139, 139, 90, 0.2), transparent),
                radial-gradient(1000px 800px at 80% 80%, rgba(83, 87, 53, 0.18), transparent),
                #1f2118;
}
body.dark th { background-color: var(--superficie-2); color: var(--texto-2); border-color: var(--borda); }
body.dark td { border-color: var(--borda); }
body.dark tr:hover { background-color: var(--superficie-2); }
body.dark .stat-info p,
body.dark .section-header h2 { color: var(--texto); }
body.dark .card h2 { color: var(--texto-2); }
body.dark .search-box input,
body.dark .form-group input,
body.dark .form-group select,
body.dark .form-group textarea,
body.dark .extracted-table input {
    background: var(--superficie-2);
    border-color: var(--borda);
    color: var(--texto);
}
body.dark .upload-section h3,
body.dark .preview-section h3,
body.dark .data-section h3 { color: var(--texto); }
body.dark .btn-secondary { background: var(--superficie-2); color: var(--texto-2); }
body.dark .btn-ghost { color: #ccc; border-color: #555; }
body.dark .btn-ghost:hover { background: #333; }
body.dark .drop-zone { background: var(--superficie-2); border-color: var(--borda); color: var(--texto-2); }
body.dark .close-btn:hover { color: var(--texto); }
body.dark #file-name { color: var(--texto-2); }