*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --blue:#2563eb;--blue-dark:#1d4ed8;--blue-light:#eff6ff;--blue-mid:#93c5fd;
  --green:#16a34a;--green-light:#f0fdf4;
  --amber:#d97706;--amber-light:#fffbeb;
  --red:#dc2626;--red-light:#fef2f2;
  --slate-50:#f8fafc;--slate-100:#f1f5f9;--slate-200:#e2e8f0;
  --slate-400:#94a3b8;--slate-500:#64748b;--slate-600:#475569;
  --slate-700:#334155;--slate-800:#1e293b;--slate-900:#0f172a;
  --radius:12px;--radius-sm:8px;--radius-lg:16px;
  --shadow:0 1px 3px rgba(0,0,0,.08),0 1px 2px rgba(0,0,0,.06);
  --shadow-md:0 4px 6px -1px rgba(0,0,0,.1),0 2px 4px -1px rgba(0,0,0,.06);
}
html{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;font-size:16px;-webkit-text-size-adjust:100%}
body{background:var(--slate-50);color:var(--slate-900);min-height:100dvh}

/* TOPBAR */
.topbar{position:sticky;top:0;z-index:100;background:#fff;border-bottom:1px solid var(--slate-200);padding:12px 16px;display:flex;align-items:center;justify-content:space-between;gap:12px}
.logo{display:flex;align-items:center;gap:10px}
.logo-icon{width:36px;height:36px;background:var(--blue);border-radius:10px;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.logo-icon svg{width:20px;height:20px;stroke:#fff;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.logo-text{font-size:15px;font-weight:600;color:var(--slate-800);line-height:1.2}
.logo-sub{font-size:11px;color:var(--slate-400)}
.topbar-actions{display:flex;gap:8px;flex-shrink:0}

/* BUTTONS */
.btn{display:inline-flex;align-items:center;gap:6px;padding:8px 14px;border-radius:var(--radius-sm);font-size:13px;font-weight:500;cursor:pointer;border:1px solid transparent;transition:all .15s;line-height:1;white-space:nowrap}
.btn svg{width:15px;height:15px;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0}
.btn-primary{background:var(--blue);color:#fff;border-color:var(--blue)}
.btn-primary:hover{background:var(--blue-dark)}
.btn-secondary{background:#fff;color:var(--slate-700);border-color:var(--slate-200)}
.btn-secondary:hover{background:var(--slate-50)}
.btn-danger{background:var(--red-light);color:var(--red);border-color:#fecaca}
.btn-danger:hover{background:#fee2e2}
.btn-sm{padding:6px 10px;font-size:12px}
.btn-icon{padding:7px;border-radius:var(--radius-sm)}

/* NAV */
.nav-wrap{padding:12px 16px 0;background:#fff;border-bottom:1px solid var(--slate-200)}
.nav-tabs{display:flex;gap:2px;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;padding-bottom:0}
.nav-tabs::-webkit-scrollbar{display:none}
.nav-tab{display:flex;align-items:center;gap:6px;padding:9px 14px;border-radius:var(--radius-sm) var(--radius-sm) 0 0;font-size:13px;font-weight:500;cursor:pointer;color:var(--slate-500);white-space:nowrap;border:none;background:transparent;border-bottom:2px solid transparent;transition:all .15s}
.nav-tab svg{width:15px;height:15px;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.nav-tab.active{color:var(--blue);border-bottom-color:var(--blue);background:var(--blue-light)}
.nav-tab:hover:not(.active){color:var(--slate-700);background:var(--slate-100)}

/* MAIN */
.main{max-width:900px;margin:0 auto;padding:16px}

/* CARDS */
.card{background:#fff;border:1px solid var(--slate-200);border-radius:var(--radius);padding:20px;margin-bottom:16px;box-shadow:var(--shadow)}
.section-title{font-size:14px;font-weight:600;color:var(--slate-700);display:flex;align-items:center;gap:8px;margin-bottom:16px}
.section-title svg{width:16px;height:16px;stroke:var(--blue);fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}

/* FORMS */
.field{display:flex;flex-direction:column;gap:4px}
.field label{font-size:12px;font-weight:500;color:var(--slate-500)}
input,select,textarea{width:100%;padding:9px 12px;border:1px solid var(--slate-200);border-radius:var(--radius-sm);font-size:13px;color:var(--slate-900);background:#fff;font-family:inherit;transition:border-color .15s}
input:focus,select:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 3px rgba(37,99,235,.1)}
input::placeholder{color:var(--slate-400)}

/* GRIDS */
.g2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.g3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:12px}
.g4{display:grid;grid-template-columns:1fr 1fr 1fr 1fr;gap:12px}

/* INSUMO ROW */
.insumo-row{display:grid;grid-template-columns:2fr 80px 70px 100px 56px 36px;gap:8px;align-items:end;background:var(--slate-50);border:1px solid var(--slate-200);border-radius:var(--radius-sm);padding:10px;margin-bottom:6px}
.custo-badge{padding:9px 8px;background:var(--blue-light);border:1px solid var(--blue-mid);border-radius:var(--radius-sm);font-size:12px;font-weight:600;color:var(--blue);text-align:center}

/* TOTAL ROW */
.total-row{display:flex;justify-content:space-between;align-items:center;padding:10px 14px;background:var(--slate-50);border-radius:var(--radius-sm);margin-top:12px;border-top:1px solid var(--slate-200)}
.total-label{font-size:13px;color:var(--slate-500)}
.total-value{font-size:15px;font-weight:600;color:var(--slate-800)}

/* METRICS */
.metric-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(130px,1fr));gap:10px;margin-bottom:16px}
.metric-card{background:var(--slate-50);border:1px solid var(--slate-200);border-radius:var(--radius-sm);padding:14px}
.metric-label{font-size:11px;font-weight:500;color:var(--slate-500);text-transform:uppercase;letter-spacing:.04em;margin-bottom:4px}
.metric-value{font-size:22px;font-weight:700;color:var(--slate-800);line-height:1}
.metric-sub{font-size:11px;color:var(--slate-400);margin-top:3px}
.metric-value.green{color:var(--green)}
.metric-value.blue{color:var(--blue)}
.metric-value.amber{color:var(--amber)}
.metric-value.red{color:var(--red)}

/* HERO */
.hero-card{background:linear-gradient(135deg,#1d4ed8,#2563eb,#3b82f6);border-radius:var(--radius-lg);padding:24px;color:#fff;margin-bottom:16px}
.hero-label{font-size:11px;text-transform:uppercase;letter-spacing:.06em;color:rgba(255,255,255,.7);margin-bottom:6px}
.hero-price{font-size:38px;font-weight:800;line-height:1}
.hero-chips{display:flex;gap:8px;margin-top:12px;flex-wrap:wrap}
.hero-chip{background:rgba(255,255,255,.2);color:#fff;font-size:12px;padding:4px 12px;border-radius:20px}
.hero-right{text-align:right}

/* PRICES */
.price-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:10px}
.price-card{border:1px solid var(--slate-200);border-radius:var(--radius-sm);padding:14px;background:#fff}
.price-card.highlight{border:2px solid var(--blue);background:var(--blue-light)}
.price-tag{font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.04em;margin-bottom:6px}
.price-val{font-size:20px;font-weight:700}
.price-desc{font-size:11px;color:var(--slate-400);margin-top:3px}

/* DIAG */
.diag{display:flex;align-items:flex-start;gap:12px;padding:14px 16px;border-radius:var(--radius-sm);border-left:4px solid;margin-bottom:8px;font-size:13px}
.diag svg{width:18px;height:18px;flex-shrink:0;margin-top:1px}
.diag-success{background:var(--green-light);border-color:var(--green);color:#14532d}
.diag-warning{background:var(--amber-light);border-color:var(--amber);color:#78350f}
.diag-danger{background:var(--red-light);border-color:var(--red);color:#7f1d1d}
.diag-info{background:var(--blue-light);border-color:var(--blue);color:#1e3a8a}

/* SCENARIO */
.scenario-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:12px;margin-bottom:16px}
.scenario-card{border:1px solid var(--slate-200);border-radius:var(--radius-sm);padding:14px}
.scenario-card.highlight{border-color:var(--blue);background:var(--blue-light)}
.scenario-title{font-size:13px;font-weight:600;margin-bottom:10px;padding-bottom:8px;border-bottom:1px solid var(--slate-200)}
.sc-row{display:flex;justify-content:space-between;font-size:12px;padding:3px 0;color:var(--slate-500)}
.sc-val{font-weight:600;color:var(--slate-800)}

/* HIST */
.hist-item{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 14px;border:1px solid var(--slate-200);border-radius:var(--radius-sm);margin-bottom:8px;transition:border-color .15s}
.hist-item:hover{border-color:var(--blue-mid)}
.hist-name{font-size:14px;font-weight:600;color:var(--slate-800)}
.hist-meta{font-size:12px;color:var(--slate-400);margin-top:2px}
.hist-actions{display:flex;gap:6px;flex-shrink:0}

/* SEARCH */
.search-box{display:flex;align-items:center;gap:8px;border:1px solid var(--slate-200);border-radius:var(--radius-sm);padding:8px 12px;background:#fff;margin-bottom:12px}
.search-box svg{width:16px;height:16px;stroke:var(--slate-400);fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0}
.search-box input{border:none;outline:none;background:transparent;flex:1;font-size:13px;color:var(--slate-800)}

/* PRICING TOGGLE */
.toggle-wrap{display:flex;background:var(--slate-100);border-radius:var(--radius-sm);padding:3px;margin-bottom:16px}
.toggle-opt{flex:1;padding:9px;text-align:center;font-size:13px;font-weight:500;cursor:pointer;border-radius:6px;color:var(--slate-500);transition:all .15s;border:none;background:transparent}
.toggle-opt.active{background:#fff;color:var(--blue);box-shadow:var(--shadow)}

/* CHART */
.chart-wrap{position:relative;height:220px;margin-top:12px}

/* EMPTY */
.empty{text-align:center;padding:40px 20px;color:var(--slate-400)}
.empty svg{width:40px;height:40px;stroke:currentColor;fill:none;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round;opacity:.3;margin:0 auto 12px;display:block}
.empty p{font-size:14px;font-weight:500;margin-bottom:4px;color:var(--slate-500)}
.empty small{font-size:12px}

/* BADGE */
.badge{display:inline-flex;align-items:center;padding:3px 10px;border-radius:20px;font-size:11px;font-weight:600}
.badge-green{background:var(--green-light);color:var(--green)}
.badge-amber{background:var(--amber-light);color:var(--amber)}
.badge-red{background:var(--red-light);color:var(--red)}
.badge-blue{background:var(--blue-light);color:var(--blue)}

/* INFO BOX */
.info-box{padding:10px 14px;background:var(--blue-light);border:1px solid var(--blue-mid);border-radius:var(--radius-sm);font-size:13px;color:#1e40af;margin-top:12px}

/* TABS CONTENT */
.tab-content{display:none}
.tab-content.active{display:block}

/* META QUICK */
.meta-quick{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:12px}
.meta-chip{padding:6px 14px;border-radius:20px;font-size:12px;font-weight:500;cursor:pointer;border:1px solid var(--slate-200);background:#fff;color:var(--slate-600);transition:all .15s}
.meta-chip.active,.meta-chip:hover{background:var(--blue);color:#fff;border-color:var(--blue)}

/* RESPONSIVE */
@media(max-width:640px){
  .g2,.g3,.g4{grid-template-columns:1fr}
  .scenario-grid{grid-template-columns:1fr}
  .insumo-row{grid-template-columns:1fr 1fr 1fr;grid-template-rows:auto auto}
  .hero-card{padding:18px}
  .hero-price{font-size:28px}
  .topbar .logo-sub{display:none}
  .price-grid{grid-template-columns:1fr 1fr}
  .metric-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:400px){
  .main{padding:10px}
  .card{padding:14px}
  .btn span{display:none}
}

/* INSTALL BANNER */
#install-banner{display:none;align-items:center;justify-content:space-between;gap:12px;background:var(--blue);color:#fff;padding:10px 16px;font-size:13px}
#install-banner.show{display:flex}