:root{
    --preto:#050505;--escuro:#0d0f14;--cinza:#171a21;--cinza2:#222530;
    --cinza-claro:#c4c4c4;--muted:#6b7280;--branco:#fff;
    --roxo:#7c3cff;--azul:#1ea7ff;--rosa:#ff2bd6;--verde:#22c55e;--vermelho:#ef4444;--amarelo:#eab308;
    --grad:linear-gradient(135deg,#ff2bd6 0%,#7c3cff 45%,#1ea7ff 100%);
    --raio:.625rem;--raio-lg:.875rem;
}
*{box-sizing:border-box}
body{margin:0;background:var(--escuro);color:var(--branco);font-family:'DM Sans',system-ui,sans-serif;font-size:16px;line-height:1.5}
a{color:var(--azul);text-decoration:none}
h1,h2,h3{margin:0 0 .5rem}
.space-y-2>*+*{margin-top:.5rem}
.space-y-4>*+*{margin-top:1rem}

/* ── Auth (login/2FA) ── */
.tela-auth{display:flex;align-items:center;justify-content:center;min-height:100vh;padding:1.5rem}
.auth-box{width:100%;max-width:24rem;background:var(--cinza);border-radius:var(--raio-lg);padding:2rem;border:1px solid var(--cinza2)}
.auth-logo{font-weight:700;font-size:1.4rem;text-align:center;margin-bottom:1.5rem;letter-spacing:.05em}
.auth-logo span{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}

/* ── Formulários ── */
.field{margin-bottom:1rem}
.field-label{display:block;font-size:.85rem;color:var(--cinza-claro);margin-bottom:.35rem}
.field-input,.field-select,textarea.field-input{width:100%;padding:.65rem .8rem;background:var(--cinza2);border:1px solid #30333f;border-radius:var(--raio);color:var(--branco);font-size:1rem;font-family:inherit}
.field-input:focus,.field-select:focus{outline:2px solid var(--roxo);border-color:var(--roxo)}
.field-checkbox{display:flex;align-items:center;gap:.5rem;font-size:.9rem;color:var(--cinza-claro)}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:.4rem;padding:.75rem 1.2rem;border-radius:var(--raio);border:none;font-size:1rem;font-weight:600;cursor:pointer;text-decoration:none}
.btn-primary{background:var(--grad);color:#fff}
.btn-secondary{background:var(--cinza2);color:#fff;border:1px solid #30333f}
.btn-danger{background:transparent;color:var(--vermelho);border:1px solid var(--vermelho)}
.btn-full{width:100%}
.btn-lg{padding:1rem 1.4rem;font-size:1.05rem}

.erro-banner{background:rgba(239,68,68,.12);border:1px solid var(--vermelho);color:#fca5a5;padding:.75rem 1rem;border-radius:var(--raio);font-size:.9rem;margin-bottom:1rem}
.sucesso-banner{background:rgba(34,197,94,.12);border:1px solid var(--verde);color:#86efac;padding:.75rem 1rem;border-radius:var(--raio);font-size:.9rem;margin-bottom:1rem}

/* ── Shell admin: sidebar desktop + bottom nav mobile ── */
.shell{min-height:100vh;display:flex;flex-direction:column}
.sidebar{display:none}
.conteudo{flex:1;display:flex;flex-direction:column;padding-bottom:5rem}
.topbar{display:flex;justify-content:flex-end;padding:1rem 1.25rem;border-bottom:1px solid var(--cinza2)}
.topbar-usuario{color:var(--cinza-claro);font-size:.9rem}
.pagina{padding:1.25rem;max-width:72rem;width:100%;margin:0 auto}

.bottom-nav{position:fixed;bottom:0;left:0;right:0;display:flex;background:var(--cinza);border-top:1px solid var(--cinza2);z-index:10}
.bottom-nav-item{flex:1 1 0%;min-width:4rem;display:flex;flex-direction:column;align-items:center;gap:.2rem;padding:.6rem .25rem;color:var(--cinza-claro);font-size:.7rem;white-space:nowrap}
.bottom-nav-item.ativo{color:var(--azul)}
.bottom-nav-item.destaque{color:var(--rosa)}

.nav-icone{width:1.3rem;height:1.3rem;display:inline-block;font-size:1.3rem;line-height:1}
.icone-home::before{content:"⌂"}
.icone-qrcode::before{content:"▦"}
.icone-camera::before{content:"◎"}
.icone-building::before{content:"▭"}
.icone-users::before{content:"◐"}

@media (min-width:768px){
    .shell{flex-direction:row}
    .sidebar{display:flex;flex-direction:column;width:16rem;background:var(--cinza);border-right:1px solid var(--cinza2);padding:1.5rem 1rem;position:sticky;top:0;height:100vh}
    .sidebar-logo{font-weight:700;font-size:1.2rem;padding:0 .5rem 1.5rem;letter-spacing:.05em}
    .sidebar-logo span{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
    .sidebar-nav{display:flex;flex-direction:column;gap:.25rem;flex:1}
    .nav-link{display:flex;align-items:center;gap:.6rem;padding:.65rem .75rem;border-radius:var(--raio);color:var(--cinza-claro);font-size:.95rem}
    .nav-link:hover{background:var(--cinza2)}
    .nav-link.ativo{background:var(--cinza2);color:#fff}
    .sidebar-rodape{display:flex;flex-direction:column;gap:.25rem;border-top:1px solid var(--cinza2);padding-top:1rem}
    .nav-link-sub{background:none;border:none;color:var(--muted);font-size:.85rem;text-align:left;padding:.4rem .75rem;cursor:pointer;font-family:inherit}
    .nav-link-sair{color:var(--vermelho)}
    .bottom-nav{display:none}
    .conteudo{padding-bottom:0}
    .pagina{padding:2rem}
}

/* ── Cards/listas/tabelas ── */
.card{background:var(--cinza);border:1px solid var(--cinza2);border-radius:var(--raio-lg);padding:1.25rem}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
.grid-stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(10rem,1fr));gap:1rem;margin-bottom:1.5rem}
.stat-card{background:var(--cinza);border:1px solid var(--cinza2);border-radius:var(--raio-lg);padding:1rem}
.stat-valor{font-size:1.8rem;font-weight:700}
.stat-label{color:var(--cinza-claro);font-size:.85rem}

.item-row{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:.9rem 1rem;background:var(--cinza);border:1px solid var(--cinza2);border-radius:var(--raio);margin-bottom:.5rem}
.item-row:hover{border-color:var(--roxo)}
.item-title{font-weight:600;margin:0}
.item-sub{color:var(--cinza-claro);font-size:.85rem;margin:.1rem 0 0}

.status-badge{font-size:.75rem;padding:.25rem .6rem;border-radius:999px;font-weight:600;white-space:nowrap}
.badge-verde{background:rgba(34,197,94,.15);color:var(--verde)}
.badge-azul{background:rgba(30,167,255,.15);color:var(--azul)}
.badge-vermelho{background:rgba(239,68,68,.15);color:var(--vermelho)}
.badge-amarelo{background:rgba(234,179,8,.15);color:var(--amarelo)}
.badge-cinza{background:var(--cinza2);color:var(--cinza-claro)}

.dashed-empty{border:1px dashed var(--cinza2);border-radius:var(--raio-lg);padding:2rem;text-align:center;color:var(--cinza-claro)}

/* ── Modal simples ── */
.modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,.6);display:flex;align-items:center;justify-content:center;padding:1rem;z-index:50}
.modal-overlay[hidden]{display:none}
.modal-box{width:100%;max-width:26rem;position:relative}
.modal-close{position:absolute;top:.75rem;right:.75rem;background:none;border:none;color:var(--cinza-claro);font-size:1.2rem;cursor:pointer}