:root{
    --azul:#1d4ed8; --azul-d:#1742b8; --escuro:#0f172a; --cinza:#64748b;
    --cinza-c:#94a3b8; --borda:#e2e8f0; --bg:#f1f5f9; --branco:#fff;
    --verde:#16a34a; --verde-bg:#f0fdf4; --vermelho:#dc2626; --vermelho-bg:#fef2f2;
    --amarelo-bg:#fffbeb;
}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:system-ui,"Segoe UI",Arial,sans-serif;background:var(--bg);color:var(--escuro);font-size:14px}
a{color:var(--azul);text-decoration:none}

/* ---- Layout ---- */
.layout{display:flex;min-height:100vh}
.sidebar{width:230px;background:var(--escuro);color:#cbd5e1;flex-shrink:0;padding:18px 0}
.brand{font-size:20px;font-weight:800;color:#fff;padding:0 22px 18px;letter-spacing:.5px}
.brand span{display:block;font-size:11px;font-weight:500;color:var(--cinza-c);letter-spacing:2px;text-transform:uppercase}
.sidebar nav a{display:flex;align-items:center;gap:10px;padding:11px 22px;color:#cbd5e1;font-weight:500;border-left:3px solid transparent}
.sidebar nav a:hover{background:rgba(255,255,255,.05);color:#fff}
.sidebar nav a.active{background:rgba(29,78,216,.18);color:#fff;border-left-color:var(--azul)}
.sidebar .ic{width:18px;text-align:center;opacity:.8}

.content{flex:1;min-width:0;display:flex;flex-direction:column}
.topbar{display:flex;align-items:center;justify-content:space-between;background:var(--branco);
    border-bottom:1px solid var(--borda);padding:16px 28px}
.topbar h1{font-size:20px}
.user{display:flex;align-items:center;gap:14px;color:var(--cinza);font-size:13px}
.page{padding:24px 28px}

/* ---- Alerts ---- */
.alert{margin:16px 28px 0;padding:12px 16px;border-radius:9px;font-size:14px}
.alert.success{background:var(--verde-bg);color:#166534;border:1px solid #bbf7d0}
.alert.error{background:var(--vermelho-bg);color:#b91c1c;border:1px solid #fecaca}

/* ---- Cards ---- */
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:16px;margin-bottom:24px}
.kpi{background:var(--branco);border:1px solid var(--borda);border-radius:12px;padding:18px}
.kpi .label{color:var(--cinza);font-size:12px;text-transform:uppercase;letter-spacing:.5px}
.kpi .value{font-size:24px;font-weight:700;margin-top:6px}
.kpi .value.pos{color:var(--verde)}.kpi .value.neg{color:var(--vermelho)}

/* ---- Panels ---- */
.panel{background:var(--branco);border:1px solid var(--borda);border-radius:12px;margin-bottom:20px;overflow:hidden}
.panel-head{display:flex;justify-content:space-between;align-items:center;padding:16px 20px;border-bottom:1px solid var(--borda)}
.panel-head h2{font-size:16px}
.panel-body{padding:4px 0}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:20px}
@media(max-width:900px){.grid2{grid-template-columns:1fr}.sidebar{width:64px}.brand span{display:none}.sidebar nav a span:not(.ic){display:none}}

/* ---- Tables ---- */
table{width:100%;border-collapse:collapse}
th,td{padding:11px 20px;text-align:left;border-bottom:1px solid var(--borda);white-space:nowrap}
th{font-size:12px;text-transform:uppercase;letter-spacing:.4px;color:var(--cinza);background:#f8fafc}
tbody tr:hover{background:#f8fafc}
td.num,th.num{text-align:right}
tfoot td{font-weight:700;background:#f8fafc;border-top:2px solid var(--borda)}
.muted{color:var(--cinza-c)}
.empty{padding:40px;text-align:center;color:var(--cinza-c)}

/* ---- Buttons ---- */
.btn{display:inline-flex;align-items:center;gap:6px;background:var(--azul);color:#fff;border:0;
    padding:9px 16px;border-radius:8px;font-size:14px;font-weight:600;cursor:pointer}
.btn:hover{background:var(--azul-d)}
.btn.sm{padding:6px 11px;font-size:13px}
.btn.ghost{background:transparent;color:var(--azul);border:1px solid var(--borda)}
.btn.ghost:hover{background:#f8fafc}
.btn.danger{background:transparent;color:var(--vermelho);border:1px solid #fecaca}
.btn.danger:hover{background:var(--vermelho-bg)}
.btn-link{background:none;border:0;color:var(--azul);cursor:pointer;font-weight:600;font-size:13px}
.actions{display:flex;gap:6px}

/* ---- Forms ---- */
form.card-form{background:var(--branco);border:1px solid var(--borda);border-radius:12px;padding:24px;max-width:680px}
.field{margin-bottom:16px}
.field label{display:block;font-size:13px;font-weight:600;margin-bottom:6px}
.field input,.field select,.field textarea{width:100%;padding:10px 12px;border:1px solid var(--borda);
    border-radius:8px;font-size:14px;background:#fff}
.field input:focus,.field select:focus{outline:none;border-color:var(--azul);box-shadow:0 0 0 3px rgba(29,78,216,.12)}
.row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.row-3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:16px}
.check{display:flex;align-items:center;gap:8px;font-size:14px;font-weight:500}
.check input{width:auto}
.form-actions{display:flex;gap:10px;margin-top:8px}
.help{font-size:12px;color:var(--cinza-c);margin-top:4px}

/* ---- Badges / permissões ---- */
.badge{display:inline-block;padding:3px 9px;border-radius:99px;font-size:12px;font-weight:600}
.badge.on{background:var(--verde-bg);color:#166534}
.badge.off{background:#f1f5f9;color:var(--cinza)}
.badge.admin{background:#eef2ff;color:#4338ca}
.perm-group{border:1px solid var(--borda);border-radius:10px;padding:14px 16px;margin-bottom:14px}
.perm-group h4{font-size:13px;text-transform:uppercase;letter-spacing:.4px;color:var(--cinza);margin-bottom:10px}
.perm-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:8px}
.perm-item{display:flex;align-items:center;gap:8px;font-size:13px}
.perm-row{display:grid;grid-template-columns:1fr auto;gap:10px;align-items:center;padding:6px 0}
.perm-row select{width:auto;padding:5px 8px}

/* ---- Login ---- */
.login-wrap{display:flex;align-items:center;justify-content:center;min-height:100vh;padding:16px}
.login-card{background:#fff;border:1px solid var(--borda);border-radius:16px;padding:34px;width:100%;max-width:380px;
    box-shadow:0 14px 40px rgba(15,23,42,.1)}
.login-card .brand{color:var(--escuro);padding:0 0 20px;text-align:center}