.belsa-calc-page{background:linear-gradient(#f8fafc 0%,#fff 50%,#f8fafc 100%);min-height:100vh;padding-top:40px;padding-bottom:90px}.belsa-calc-header{text-align:center;max-width:860px;margin:0 auto 32px}.belsa-calc-badge{color:#d3232a;letter-spacing:.05em;text-transform:uppercase;background:#fff1f2;border:1px solid #fecdd3;border-radius:9999px;align-items:center;gap:8px;margin-bottom:16px;padding:6px 16px;font-size:.78rem;font-weight:700;display:inline-flex}.belsa-calc-title{color:#111827;letter-spacing:-.025em;margin-bottom:12px;font-size:2.35rem;font-weight:800;line-height:1.25}.belsa-calc-subtitle{color:#64748b;font-size:1.02rem;line-height:1.65}.belsa-calc-nav{background:#fff;border:1px solid #e2e8f0;border-radius:18px;grid-template-columns:repeat(5,1fr);gap:8px;margin-bottom:32px;padding:8px;display:grid;box-shadow:0 4px 18px -2px #0000000a}.belsa-calc-tab-btn{color:#475569;cursor:pointer;text-align:center;-webkit-user-select:none;user-select:none;background:0 0;border:1px solid #0000;border-radius:12px;flex-direction:column;justify-content:center;align-items:center;gap:7px;padding:13px 10px;font-family:inherit;font-size:.84rem;font-weight:600;transition:all .2s cubic-bezier(.4,0,.2,1);display:flex}.belsa-calc-tab-btn:hover{color:#111827;background:#f8fafc}.belsa-calc-tab-btn.active{color:#fff;background:#d3232a;box-shadow:0 4px 14px #d3232a47}.belsa-calc-tab-btn svg{stroke:currentColor;fill:none;stroke-width:2px;flex-shrink:0;width:20px;height:20px;transition:transform .2s}.belsa-calc-tab-btn:hover svg{transform:translateY(-1px)}.belsa-calc-grid-2col{grid-template-columns:1.05fr 1fr;align-items:start;gap:28px;display:grid}@media (min-width:1024px){.belsa-calc-sticky-hud{align-self:start;position:sticky;top:90px}}.belsa-calc-card{background:#fff;border:1px solid #e2e8f0;border-radius:20px;margin-bottom:24px;padding:26px;box-shadow:0 6px 24px -4px #0000000d}.belsa-calc-card-header{border-bottom:1px solid #f1f5f9;justify-content:space-between;align-items:center;margin-bottom:22px;padding-bottom:14px;display:flex}.belsa-calc-card-title{color:#111827;align-items:center;gap:10px;font-size:1.12rem;font-weight:700;display:flex}.belsa-calc-card-title svg{color:#d3232a;stroke:currentColor;stroke-width:2.2px;width:20px;height:20px}.belsa-calc-badge-excel{color:#475569;background:#f1f5f9;border:1px solid #e2e8f0;border-radius:6px;padding:4px 9px;font-family:monospace;font-size:.72rem;font-weight:700}.belsa-calc-mode-switch{background:#f1f5f9;border-radius:12px;grid-template-columns:1fr 1fr;gap:6px;margin-bottom:22px;padding:5px;display:grid}.belsa-calc-mode-btn{color:#64748b;cursor:pointer;text-align:center;background:0 0;border:none;border-radius:9px;padding:10px 14px;font-family:inherit;font-size:.85rem;font-weight:600;transition:all .2s}.belsa-calc-mode-btn.active{color:#d3232a;background:#fff;font-weight:700;box-shadow:0 2px 8px #0000000f}.belsa-calc-form-group{margin-bottom:20px}.belsa-calc-label-row{justify-content:space-between;align-items:center;margin-bottom:8px;display:flex}.belsa-calc-label{color:#1e293b;font-size:.88rem;font-weight:600}.belsa-calc-label-val{color:#d3232a;font-size:.85rem;font-weight:700}.belsa-calc-input-row{align-items:center;gap:10px;display:flex}.belsa-calc-input{color:#0f172a;background:#fff;border:1.5px solid #e2e8f0;border-radius:10px;outline:none;flex:1;height:44px;padding:0 14px;font-family:inherit;font-size:.95rem;font-weight:600;transition:all .2s}.belsa-calc-input:focus{border-color:#d3232a;box-shadow:0 0 0 3px #d3232a1f}.belsa-calc-select{color:#0f172a;cursor:pointer;background:#fff;border:1.5px solid #e2e8f0;border-radius:10px;outline:none;height:44px;padding:0 14px;font-family:inherit;font-size:.88rem;font-weight:600;transition:all .2s}.belsa-calc-select:focus{border-color:#d3232a;box-shadow:0 0 0 3px #d3232a1f}.belsa-calc-range{accent-color:#d3232a;cursor:pointer;background:#e2e8f0;border-radius:4px;outline:none;width:100%;height:6px;margin-top:10px}.belsa-calc-preset-wrap{flex-wrap:wrap;gap:6px;margin-top:10px;display:flex}.belsa-calc-preset-chip{color:#475569;cursor:pointer;background:#f8fafc;border:1px solid #e2e8f0;border-radius:7px;padding:5px 10px;font-size:.76rem;font-weight:600;transition:all .15s}.belsa-calc-preset-chip:hover{color:#0f172a;background:#f1f5f9}.belsa-calc-preset-chip.active{color:#d3232a;background:#fff1f2;border-color:#fecdd3;font-weight:700}.belsa-calc-cockpit{background:#fff;border:1px solid #cbd5e1;border-radius:20px;overflow:hidden;box-shadow:0 10px 32px -4px #0f172a1f}.belsa-calc-cockpit-stage{color:#f8fafc;background:#0f172a;border-bottom:1px solid #1e293b;padding:20px 22px}.belsa-calc-cockpit-header{justify-content:space-between;align-items:center;margin-bottom:14px;display:flex}.belsa-calc-cockpit-title{color:#94a3b8;letter-spacing:.05em;text-transform:uppercase;align-items:center;gap:8px;font-size:.82rem;font-weight:700;display:flex}.belsa-calc-cockpit-tag{color:#38bdf8;letter-spacing:.04em;background:#1e293b;border-radius:6px;padding:3px 8px;font-size:.7rem;font-weight:700}.belsa-calc-svg-wrapper{background:#0b1120;border:1px solid #1e293b;border-radius:12px;justify-content:center;align-items:center;width:100%;max-width:100%;padding:14px;display:flex;overflow:hidden}.belsa-calc-svg-wrapper svg{width:100%;height:auto;max-height:165px;display:block}.belsa-calc-diagram-specs{border-top:1px solid #1e293b;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:14px;padding-top:12px;display:grid}.belsa-calc-diagram-spec-item{text-align:center}.belsa-calc-diagram-spec-label{color:#64748b;text-transform:uppercase;margin-bottom:2px;font-size:.7rem;display:block}.belsa-calc-diagram-spec-val{color:#f8fafc;font-size:.92rem;font-weight:700}.belsa-calc-cockpit-results{background:#fff;padding:22px}.belsa-calc-results-grid{grid-template-columns:repeat(2,1fr);gap:12px;margin-bottom:20px;display:grid}.belsa-calc-result-box{background:#f8fafc;border:1px solid #e2e8f0;border-radius:14px;padding:16px;transition:transform .2s;position:relative;overflow:hidden}.belsa-calc-result-box.highlight{background:#fff5f5;border-color:#fecdd3}.belsa-calc-result-label{color:#64748b;text-transform:uppercase;letter-spacing:.04em;justify-content:space-between;align-items:center;margin-bottom:6px;font-size:.76rem;font-weight:700;display:flex}.belsa-calc-result-val{color:#0f172a;letter-spacing:-.02em;font-size:1.75rem;font-weight:800;line-height:1.1}.belsa-calc-result-box.highlight .belsa-calc-result-val{color:#d3232a}.belsa-calc-result-unit{color:#64748b;margin-left:4px;font-size:.88rem;font-weight:600}.belsa-calc-result-sub{color:#94a3b8;margin-top:6px;font-size:.74rem}.belsa-calc-status-badge{border-radius:8px;align-items:center;gap:6px;padding:5px 12px;font-size:.78rem;font-weight:700;display:inline-flex}.belsa-calc-status-safe{color:#15803d;background:#dcfce7;border:1px solid #bbf7d0}.belsa-calc-status-warn{color:#b45309;background:#fef3c7;border:1px solid #fde68a}.belsa-calc-status-danger{color:#b91c1c;background:#fee2e2;border:1px solid #fecaca}.belsa-calc-metric-table{background:#f8fafc;border:1px solid #e2e8f0;border-radius:12px;margin-bottom:20px;padding:14px 16px}.belsa-calc-metric-row{border-bottom:1px solid #f1f5f9;justify-content:space-between;align-items:center;padding:6px 0;font-size:.86rem;display:flex}.belsa-calc-metric-row:last-child{border-bottom:none}.belsa-calc-metric-label{color:#64748b}.belsa-calc-metric-val{color:#0f172a;font-weight:700}.belsa-calc-rec-card{background:#f8fafc;border:1px solid #e2e8f0;border-radius:14px;margin-bottom:20px;padding:16px}.belsa-calc-rec-title{color:#0f172a;align-items:center;gap:8px;margin-bottom:12px;font-size:.88rem;font-weight:700;display:flex}.belsa-calc-rec-title svg{color:#d3232a;width:17px;height:17px}.belsa-calc-rec-list{grid-template-columns:repeat(2,1fr);gap:10px;display:grid}.belsa-calc-rec-item{color:inherit;background:#fff;border:1px solid #e2e8f0;border-radius:10px;align-items:center;gap:10px;padding:10px 12px;text-decoration:none;transition:all .2s;display:flex}.belsa-calc-rec-item:hover{border-color:#d3232a;transform:translateY(-2px);box-shadow:0 4px 12px #d3232a14}.belsa-calc-rec-code{color:#0f172a;font-size:.86rem;font-weight:700}.belsa-calc-rec-desc{color:#64748b;font-size:.7rem}.belsa-calc-actions{gap:10px;display:flex}.belsa-calc-btn-wa{color:#fff;cursor:pointer;background:#25d366;border:none;border-radius:12px;flex:2;justify-content:center;align-items:center;gap:8px;padding:13px 18px;font-family:inherit;font-size:.9rem;font-weight:700;text-decoration:none;transition:all .2s;display:inline-flex;box-shadow:0 4px 14px #25d36640}.belsa-calc-btn-wa:hover{background:#20ba59;transform:translateY(-1px)}.belsa-calc-btn-wa svg{fill:currentColor;width:18px;height:18px}.belsa-calc-btn-copy{color:#475569;cursor:pointer;background:#fff;border:1.5px solid #cbd5e1;border-radius:12px;flex:1;justify-content:center;align-items:center;gap:7px;padding:13px 14px;font-family:inherit;font-size:.85rem;font-weight:600;transition:all .2s;display:inline-flex}.belsa-calc-btn-copy:hover{color:#0f172a;background:#f8fafc;border-color:#94a3b8}.belsa-calc-btn-copy svg{stroke:currentColor;fill:none;stroke-width:2px;width:17px;height:17px}.belsa-calc-formula-accordion{background:#f8fafc;border:1px solid #e2e8f0;border-radius:12px;margin-top:18px;overflow:hidden}.belsa-calc-formula-toggle{cursor:pointer;color:#475569;background:0 0;border:none;justify-content:space-between;align-items:center;width:100%;padding:12px 16px;font-family:inherit;font-size:.82rem;font-weight:700;transition:background .15s;display:flex}.belsa-calc-formula-toggle:hover{color:#0f172a;background:#f1f5f9}.belsa-calc-formula-body{color:#64748b;background:#fff;border-top:1px solid #e2e8f0;padding:12px 16px;font-size:.8rem;line-height:1.6}.belsa-calc-table-wrap{border:1px solid #e2e8f0;border-radius:12px;overflow-x:auto}.belsa-calc-table{border-collapse:collapse;text-align:left;width:100%;font-size:.84rem}.belsa-calc-table th{color:#475569;z-index:2;background:#f8fafc;border-bottom:1px solid #e2e8f0;padding:11px 14px;font-weight:700;position:sticky;top:0}.belsa-calc-table td{color:#1e293b;border-bottom:1px solid #f1f5f9;padding:10px 14px}.belsa-calc-table tr:hover td{background:#f8fafc}.belsa-calc-table tr.active td{background:#fff1f2!important}@media (max-width:1024px){.belsa-calc-nav{grid-template-columns:repeat(3,1fr)}.belsa-calc-grid-2col{grid-template-columns:1fr;gap:20px}}@media (max-width:640px){.belsa-calc-page{padding-top:24px}.belsa-calc-title{font-size:1.6rem}.belsa-calc-nav{grid-template-columns:1fr 1fr;gap:6px}.belsa-calc-tab-btn{padding:10px 8px;font-size:.78rem}.belsa-calc-tab-btn svg{width:18px;height:18px}.belsa-calc-results-grid,.belsa-calc-rec-list{grid-template-columns:1fr}.belsa-calc-actions{flex-direction:column}.belsa-calc-card{padding:20px 16px}.belsa-calc-cockpit-results{padding:18px 14px}.belsa-calc-cockpit-stage{padding:16px 14px}}