:root{--cor-fundo: #0f172a;--cor-painel: #1e293b;--cor-borda: #334155;--cor-texto: #e2e8f0;--cor-texto-suave: #94a3b8;--cor-destaque: #2563eb;--cor-bom: #22c55e;--cor-incerto: #eab308;--cor-ruim: #ef4444}*{box-sizing:border-box}body{margin:0;background:var(--cor-fundo);color:var(--cor-texto);font-family:system-ui,-apple-system,Segoe UI,sans-serif}.dashboard{max-width:1100px;margin:0 auto;padding:24px 16px 48px}.cabecalho{display:flex;align-items:baseline;justify-content:space-between;flex-wrap:wrap;gap:8px;margin-bottom:16px}.cabecalho h1{margin:0;font-size:1.6rem}.status-carregando{color:var(--cor-texto-suave)}.auth-botao{background:var(--cor-destaque);color:#fff;border:none;border-radius:6px;padding:4px 12px;cursor:pointer;margin-right:8px}.auth-usuario{color:var(--cor-texto-suave);font-size:.85rem;margin-right:8px}.status-ok{color:var(--cor-bom)}.status-ruim{color:var(--cor-ruim)}.filtros{display:flex;gap:16px;margin-bottom:20px}.filtros label{display:flex;flex-direction:column;gap:4px;font-size:.85rem;color:var(--cor-texto-suave)}.filtros select{background:var(--cor-painel);color:var(--cor-texto);border:1px solid var(--cor-borda);border-radius:6px;padding:6px 10px}.grade-sensores{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:12px;margin-bottom:20px}.cartao-sensor{background:var(--cor-painel);border:1px solid var(--cor-borda);border-radius:10px;padding:12px 14px}.cartao-sensor header{display:flex;justify-content:space-between;align-items:center}.cartao-sensor h3{margin:0;font-size:.95rem}.metrica{margin:6px 0 2px;color:var(--cor-texto-suave);font-size:.8rem;text-transform:capitalize}.valor{margin:0;font-size:1.5rem;font-weight:600}.cartao-sensor footer{margin-top:6px;color:var(--cor-texto-suave);font-size:.75rem}.selo-qualidade{font-size:.7rem;padding:2px 8px;border-radius:999px;font-weight:600}.qualidade-boa{background:#22c55e26;color:var(--cor-bom)}.qualidade-incerta{background:#eab30826;color:var(--cor-incerto)}.qualidade-ruim{background:#ef444426;color:var(--cor-ruim)}.painel{background:var(--cor-painel);border:1px solid var(--cor-borda);border-radius:10px;padding:16px;margin-bottom:20px}.painel h2{margin:0 0 12px;font-size:1.05rem}.vazio{color:var(--cor-texto-suave)}.tabela-enrolar{overflow-x:auto}table{width:100%;border-collapse:collapse;font-size:.85rem}th,td{text-align:left;padding:8px 10px;border-bottom:1px solid var(--cor-borda)}th{color:var(--cor-texto-suave);font-weight:500}.rodape{color:var(--cor-texto-suave);font-size:.8rem}.arquivo-validacao .arquivo-acoes{display:flex;gap:12px;align-items:center;flex-wrap:wrap;margin-bottom:12px}.arquivo-validacao input[type=file]{color:var(--cor-texto-suave);font-size:.85rem}.arquivo-validacao button{background:var(--cor-destaque);color:#fff;border:none;border-radius:6px;padding:6px 14px;cursor:pointer}.arquivo-validacao button:disabled{opacity:.6;cursor:default}.arquivo-preview{margin:12px 0 0}.arquivo-preview img{max-width:320px;width:100%;border:1px solid var(--cor-borda);border-radius:8px;background:#fff}.arquivo-preview figcaption{margin-top:6px;font-size:.75rem}