@import url('https://fonts.googleapis.com/css2?family=DM+Sans:opsz,wght@9..40,300;9..40,400;9..40,500;9..40,700&family=Instrument+Serif&display=swap');
#bruttonetto-root{--b-bg:#0a0e17;--b-surface:#111827;--b-surface-2:#1a2234;--b-border:#1e293b;--b-text:#e2e8f0;--b-muted:#8896ab;--b-accent:#f59e0b;--b-accent-dim:#d97706;--b-accent-glow:rgba(245,158,11,.15);--b-green:#34d399;--b-red:#f87171;--b-blue:#60a5fa;--b-purple:#a78bfa;--b-font:'DM Sans',sans-serif;--b-display:'Instrument Serif',serif;background:var(--b-bg);color:var(--b-text);font-family:var(--b-font);max-width:760px;margin:0 auto;padding:24px 16px;box-sizing:border-box;line-height:1.6}
#bruttonetto-root *,#bruttonetto-root *::before,#bruttonetto-root *::after{box-sizing:border-box}
.bn-header{text-align:center;margin-bottom:28px}
.bn-header h1{font-family:var(--b-display);font-size:36px;font-weight:400;margin:0 0 4px;color:var(--b-text)}
.bn-header h1 span{color:var(--b-accent)}
.bn-header p{color:var(--b-muted);font-size:14px;max-width:540px;margin:0 auto}
.bn-card{background:var(--b-surface);border:1px solid var(--b-border);border-radius:14px;padding:24px;margin-bottom:16px}
.bn-label{display:block;font-size:12px;text-transform:uppercase;letter-spacing:.5px;color:var(--b-muted);margin-bottom:6px;font-weight:500}
.bn-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:16px}
.bn-group{display:flex;flex-direction:column}
.bn-input{width:100%;padding:12px 14px;background:var(--b-surface-2);border:1px solid var(--b-border);border-radius:10px;color:var(--b-text);font-size:16px;font-family:var(--b-font);outline:none;transition:border .2s}
.bn-input:focus{border-color:var(--b-accent)}
select.bn-input{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%238896ab' stroke-width='1.5' fill='none'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 14px center;padding-right:36px}
select.bn-input option{background:var(--b-surface);color:var(--b-text)}
.bn-big-slider{margin:20px 0 8px}
.bn-big-slider input[type=range]{-webkit-appearance:none;appearance:none;width:100%;height:10px;border-radius:5px;background:linear-gradient(90deg,var(--b-green) 0%,var(--b-accent) 60%,var(--b-red) 100%);outline:none;cursor:pointer}
.bn-big-slider input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;appearance:none;width:28px;height:28px;border-radius:50%;background:var(--b-text);cursor:pointer;border:4px solid var(--b-accent);box-shadow:0 2px 10px rgba(0,0,0,.4)}
.bn-big-slider input[type=range]::-moz-range-thumb{width:28px;height:28px;border-radius:50%;background:var(--b-text);cursor:pointer;border:4px solid var(--b-accent);box-shadow:0 2px 10px rgba(0,0,0,.4)}
.bn-slider-labels{display:flex;justify-content:space-between;font-size:11px;color:var(--b-muted);margin-top:2px}
.bn-hero{text-align:center;padding:24px;margin:16px 0}
.bn-hero-brutto{font-size:14px;color:var(--b-muted)}
.bn-hero-netto{font-size:48px;font-weight:700;color:var(--b-green);line-height:1.1;margin:4px 0}
.bn-hero-sub{font-size:13px;color:var(--b-muted)}
.bn-result-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:12px;margin-bottom:16px}
.bn-box{background:var(--b-surface-2);border-radius:10px;padding:14px}
.bn-box-label{font-size:11px;color:var(--b-muted);text-transform:uppercase;letter-spacing:.5px;margin-bottom:4px}
.bn-box-val{font-size:20px;font-weight:700;color:var(--b-accent)}
.bn-box-sub{font-size:11px;color:var(--b-muted);margin-top:2px}
.bn-box--green .bn-box-val{color:var(--b-green)}
.bn-box--red .bn-box-val{color:var(--b-red)}
.bn-box--blue .bn-box-val{color:var(--b-blue)}
.bn-box--purple .bn-box-val{color:var(--b-purple)}
.bn-divider{height:1px;background:var(--b-border);margin:20px 0}
.bn-section-title{font-size:14px;font-weight:500;margin-bottom:10px;color:var(--b-text)}
.bn-chart-wrap{position:relative;width:100%;height:300px;margin:16px 0}
.bn-bar-row{display:flex;align-items:center;gap:10px;margin-bottom:6px}
.bn-bar-label{width:55px;text-align:right;font-size:12px;color:var(--b-muted);flex-shrink:0}
.bn-bar-track{flex:1;height:22px;background:var(--b-surface-2);border-radius:6px;overflow:hidden;display:flex;position:relative}
.bn-bar-fill{height:100%;border-radius:6px;transition:width .3s ease;display:flex;align-items:center;padding-left:8px;font-size:10px;font-weight:600;color:var(--b-bg);white-space:nowrap;overflow:hidden}
.bn-bar-val{font-size:12px;color:var(--b-text);width:70px;text-align:right;flex-shrink:0;font-weight:500}
.bn-bar-row.bn-bar-active{background:var(--b-accent-glow);border-radius:8px;padding:4px;margin-left:-4px;margin-right:-4px}
.bn-table{width:100%;border-collapse:collapse;font-size:13px}
.bn-table th{text-align:left;padding:8px 10px;color:var(--b-muted);font-weight:500;font-size:11px;text-transform:uppercase;letter-spacing:.5px;border-bottom:1px solid var(--b-border)}
.bn-table td{padding:8px 10px;border-bottom:1px solid var(--b-border)}
.bn-table td:last-child{text-align:right;font-weight:500}
.bn-table tr.bn-hl td{background:var(--b-accent-glow)}
.bn-explain{margin-top:12px}
.bn-explain summary{cursor:pointer;font-size:14px;font-weight:500;color:var(--b-accent);padding:8px 0;list-style:none}
.bn-explain summary::before{content:'▸ ';font-size:12px}
.bn-explain[open] summary::before{content:'▾ '}
.bn-explain-content{font-size:13px;color:var(--b-muted);line-height:1.7;padding:8px 0 16px}
.bn-explain-content strong{color:var(--b-text);font-weight:500}
.bn-source{text-align:center;font-size:11px;color:var(--b-muted);margin-top:28px;padding-top:14px;border-top:1px solid var(--b-border)}
.bn-prog-wrap{position:relative;margin:20px 0}
.bn-prog-marker{position:absolute;top:-8px;transform:translateX(-50%);display:flex;flex-direction:column;align-items:center;z-index:2;pointer-events:none}
.bn-prog-dot{width:12px;height:12px;border-radius:50%;background:var(--b-accent);border:3px solid var(--b-bg);box-shadow:0 0 8px var(--b-accent)}
.bn-prog-tag{background:var(--b-accent);color:var(--b-bg);font-size:10px;font-weight:700;padding:2px 6px;border-radius:4px;margin-top:4px;white-space:nowrap}
@media(max-width:600px){.bn-header h1{font-size:26px}.bn-row{grid-template-columns:1fr}.bn-result-grid{grid-template-columns:1fr 1fr}.bn-hero-netto{font-size:36px}.bn-chart-wrap{height:240px}}