:root{--ink:#193b3b;--muted:#637674;--teal:#17645d;--teal-dark:#123c39;--pale:#e7f1ed;--paper:#f5f5ef;--line:#dce3dc;--amber:#bc873b;--white:#fff;--red:#a2443d;--shadow:0 10px 40px rgba(26,54,48,.045)}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font-family:Tahoma,Arial,sans-serif;font-size:14px;line-height:1.8}button,input,select{font:inherit}button,select{cursor:pointer}a{color:inherit;text-decoration:none}.topbar{height:92px;padding:0 max(28px,calc((100vw - 1440px)/2));display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);background:#fafbf7}.brand{display:flex;align-items:center;gap:13px}.brand-mark{display:grid;place-items:center;width:47px;height:47px;border-radius:14px;background:var(--teal-dark);color:#eee6cf;font-size:30px;font-weight:700;box-shadow:inset 0 0 0 5px #ffffff08}.brand strong{display:block;font-size:26px;line-height:1.1}.brand small{display:block;color:var(--muted);font-size:10px;margin-top:7px}.header-meta{display:flex;gap:19px;align-items:center}.pill{display:flex;gap:7px;align-items:center;border:1px solid var(--line);border-radius:100px;padding:4px 11px;font-size:11px;background:#fff}.pill i{width:6px;height:6px;background:#4c926f;border-radius:50%}.version{font-size:11px;color:var(--muted)}main{max-width:1440px;margin:auto;padding:40px 28px 20px}.intro{display:flex;gap:55px;justify-content:space-between;align-items:center;margin-bottom:35px}.eyebrow{color:var(--amber);font-size:11px;font-weight:700;letter-spacing:.6px;margin:0 0 10px}h1{font-size:clamp(25px,3vw,40px);line-height:1.5;margin:0 0 12px;letter-spacing:-1px}.intro-copy{color:var(--muted);font-size:14px;max-width:650px;margin:0}.scope-note{border-right:2px solid #cdb881;padding:10px 20px;max-width:325px;flex-shrink:0;font-size:12px;color:var(--muted)}.scope-note strong{color:var(--ink);font-size:13px}.scope-note p{margin:5px 0 0}.scope-symbol{color:var(--amber);margin-left:8px;font-size:22px}.workspace{display:grid;grid-template-columns:310px minmax(0,1fr);gap:24px;align-items:start}.panel{background:var(--white);border:1px solid var(--line);border-radius:16px;padding:24px;box-shadow:var(--shadow)}.controls{position:sticky;top:20px}.panel-top{display:flex;gap:11px;align-items:center;margin-bottom:24px}.step{display:grid;place-items:center;width:27px;height:27px;border-radius:50%;background:var(--pale);font-size:12px;color:var(--teal)}h2{font-size:17px;line-height:1.6;margin:0}label{display:block;font-size:12px;font-weight:700;margin-bottom:7px}input,select{width:100%;border:1px solid #ccd8d1;background:#fff;border-radius:8px;padding:10px;color:var(--ink);min-height:43px}select{padding-left:26px}input{direction:ltr;text-align:right;font-variant-numeric:tabular-nums}input:focus,select:focus,button:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid #79b4a8;outline-offset:2px}.helper{color:var(--muted);font-size:11px;line-height:1.9;margin:10px 0 14px}.divider{border-top:1px solid var(--line);margin:21px 0}.input-grid{display:grid;gap:17px}.number-field{position:relative}.number-field input{padding-left:92px}.number-field span{position:absolute;left:11px;top:11px;font-size:10px;color:var(--muted);pointer-events:none}.button{border:0;border-radius:8px;min-height:43px;padding:10px 16px;font-weight:700;font-size:12px;transition:background .15s,transform .15s}.button:active{transform:translateY(1px)}.button:disabled{opacity:.55;cursor:wait}.primary{background:var(--teal);color:white;display:flex;align-items:center;justify-content:space-between;width:100%;margin-top:18px}.primary:hover{background:#124e49}.primary b{font-size:21px;line-height:1}.subtle{background:transparent;color:var(--muted)}.controls>.subtle{width:100%;margin-top:5px}.secondary{background:var(--pale);color:var(--teal)}.assumptions{border-top:1px solid var(--line);padding-top:17px;margin-top:15px;font-size:11px;color:var(--muted)}.assumptions p{margin:4px 0}.assumptions strong{color:var(--ink)}.notice{background:#ebefe8;border:1px dashed #bdcbbd;border-radius:14px;padding:30px;text-align:center;color:var(--muted)}.notice.loading{background:linear-gradient(100deg,#ebefe8,#f7f8f2,#ebefe8);background-size:200% 100%;animation:loading 1.5s linear infinite}@keyframes loading{to{background-position:-200% 0}}.error{border:1px solid #e4b6ab;background:#fff1ed;border-radius:12px;padding:17px;color:var(--red);margin-bottom:18px}.results .panel{margin-top:18px}.decision-card{border-radius:17px;background:var(--teal-dark);color:white;padding:29px 30px;position:relative;overflow:hidden;box-shadow:0 14px 30px #173b3910}.decision-card:before{content:"";position:absolute;left:-90px;top:-140px;width:380px;height:380px;border:1px solid #ffffff0c;border-radius:50%;pointer-events:none;box-shadow:0 0 0 25px #ffffff03,0 0 0 70px #ffffff02}.decision-top{display:flex;justify-content:space-between;gap:15px;align-items:center;position:relative}.decision-card .eyebrow{color:#d6b57d;margin:0}.decision-status{font-size:10px;background:#ffffff12;border:1px solid #ffffff16;border-radius:30px;padding:3px 10px;white-space:nowrap}.decision-card h2{font-size:26px;margin:17px 0 8px;line-height:1.6;position:relative}.decision-card>p{font-size:12px;color:#c1d1cb;margin:0;max-width:720px;position:relative}.metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;border-top:1px solid #ffffff1a;margin-top:25px;padding-top:23px;position:relative}.metrics>div{border-left:1px solid #ffffff15;padding-left:14px}.metrics>div:last-child{border:0;padding-left:0}.metrics span,.metrics small{display:block;color:#a8c2b9;font-size:10px}.metrics strong{display:block;font-size:27px;line-height:1.4;margin:8px 0 6px;font-weight:500;font-variant-numeric:tabular-nums}.metrics small{font-size:9px;color:#a6bbb4}.section-title{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:19px}.section-note{color:var(--muted);font-size:10px}.table-scroll{overflow-x:auto}table{width:100%;border-collapse:collapse;text-align:right;font-size:12px;white-space:nowrap}th{font-size:10px;color:var(--muted);font-weight:400;padding:10px 12px;background:#f6f8f4}th:first-child{border-radius:0 7px 7px 0}th:last-child{border-radius:7px 0 0 7px}td{border-bottom:1px solid #eaf0e9;padding:14px 12px}tr:last-child td{border-bottom:0}.selected-row td:first-child{font-weight:700;color:var(--teal)}.tag{font-size:10px;padding:4px 8px;border-radius:30px;background:var(--pale);color:var(--teal)}.tag.warn{background:#fbefd9;color:#8c6424}.tag.bad{background:#f9e7e0;color:var(--red)}details{border-top:1px solid #e7ece4;margin-top:16px;padding-top:12px}summary{cursor:pointer;font-size:11px;color:var(--muted)}details p{font-size:11px;margin:8px 0}.window-panel>p{font-size:12px;color:var(--muted)}.window-panel>p strong{color:var(--ink)}.window-grid{display:flex;flex-wrap:wrap;gap:7px;margin:16px 0}.day-cell{border:1px solid var(--line);border-radius:8px;min-width:47px;padding:7px 6px;text-align:center;background:#f5f6f2}.day-cell strong{display:block;font-size:14px;line-height:1.3}.day-cell small{display:block;font-size:8px;margin-top:4px}.day-cell.good{background:#e4f0e8;border-color:#bed4c5;color:#286748}.day-cell.negative{background:#fbf0dd;border-color:#e4d8bc;color:#976e2b}.day-cell.invalid{background:#f4e8e2;border-color:#dfc9bf;color:#985b49}.plan-selectors{display:grid;grid-template-columns:1fr 1fr;gap:15px}.plan-selectors select{font-size:11px}.branch-details{display:flex;gap:9px;flex-wrap:wrap;margin:17px 0;color:var(--muted);font-size:11px}.branch-details span{background:#f4f7f0;border-radius:6px;padding:5px 9px}.gantt{overflow-x:auto;margin-top:10px}.gantt-chart{min-width:520px}.gantt-header,.gantt-row{display:grid;grid-template-columns:150px 1fr;gap:13px;align-items:center}.gantt-header{font-size:9px;color:var(--muted);margin-bottom:12px}.gantt-scale{display:flex;justify-content:space-between;direction:ltr}.gantt-row{margin:11px 0;min-height:35px}.task-label{font-size:11px;line-height:1.4}.task-label small{display:block;font-size:9px;color:var(--muted);margin-top:4px}.task-lane{height:27px;background:repeating-linear-gradient(90deg,#f3f5ef 0,#f3f5ef calc(10% - 1px),#e1e8df calc(10% - 1px),#e1e8df 10%);border-radius:5px;position:relative;direction:ltr}.task-bar{position:absolute;height:27px;border-radius:4px;background:#6b9b89;min-width:4px;display:flex;align-items:center;justify-content:center;color:white;font-size:9px;white-space:nowrap}.task-bar.fixed{background:#b4925b}.task-bar.info{background:#4a7b92}.empty-plan{background:#faf3e4;border-radius:8px;padding:18px;color:#87682e;font-size:12px}.limits-panel h2{font-size:14px}.limits-panel>p{font-size:11px;color:var(--muted);margin:10px 0 0}.actions{display:flex;gap:12px;align-items:center;margin-top:18px}pre{white-space:pre-wrap;word-break:break-word;background:#f6f8f4;padding:15px;border-radius:8px;font:10px/1.8 monospace;max-height:340px;overflow:auto;direction:ltr;text-align:left}footer{display:flex;justify-content:space-between;gap:20px;margin-top:36px;border-top:1px solid var(--line);padding:20px 0 5px;color:#87938a;font-size:10px}[hidden]{display:none!important}@media(max-width:1050px){.workspace{grid-template-columns:270px minmax(0,1fr);gap:17px}.panel{padding:20px}.intro{gap:20px}.scope-note{max-width:265px}.metrics{gap:10px}.metrics strong{font-size:23px}.decision-card{padding:25px}.section-title{align-items:flex-start;flex-direction:column}.gantt-header,.gantt-row{grid-template-columns:125px 1fr}}@media(max-width:780px){.topbar{height:77px;padding:0 20px}.version{display:none}main{padding:25px 18px 15px}.intro{display:block;margin-bottom:24px}.scope-note{margin-top:20px;max-width:none;padding:8px 14px}.workspace{display:flex;flex-direction:column}.controls{position:static;width:100%}.results{width:100%}.input-grid{grid-template-columns:repeat(3,1fr);gap:12px}.input-grid label{font-size:10px}.number-field span{position:static;display:block;margin-top:3px}.number-field input{padding:9px}.assumptions{display:flex;gap:12px;flex-wrap:wrap}.controls .helper{margin-bottom:9px}.controls .divider{margin:15px 0}.panel-top{margin-bottom:16px}.controls>.primary{margin-top:10px}.decision-card h2{font-size:22px}.decision-status{font-size:8px}.metrics strong{font-size:22px}.metrics span{font-size:9px}.metrics small{font-size:8px}.plan-selectors{grid-template-columns:1fr}.actions{flex-wrap:wrap}footer{flex-direction:column;gap:5px}}@media print{body{background:white;color:black}.topbar{height:auto;padding:15px 0}.header-meta,.controls,.actions,.notice,.error,.plan-selectors{display:none!important}main{padding:20px 0}.workspace{display:block}.intro{margin-bottom:20px}.scope-note{font-size:10px}.panel,.decision-card{break-inside:avoid;box-shadow:none;border:1px solid #aaa}.decision-card{background:#f3f6f3!important;color:#193b3b!important}.decision-card .eyebrow,.decision-card>p,.metrics span,.metrics small{color:#355c51}.metrics{border-top:1px solid #aaa}.metrics>div{border-color:#aaa}.decision-status{color:#193b3b}.day-cell,.task-bar{-webkit-print-color-adjust:exact;print-color-adjust:exact}.gantt-chart{min-width:0}footer{font-size:9px}.gantt-header,.gantt-row{grid-template-columns:140px 1fr}.results .panel{margin-top:12px}}

.case-tools{display:flex;align-items:center;justify-content:space-between;gap:7px;margin-top:10px}.case-tools .button{min-height:30px;padding:4px 0;font-size:10px}.file-label{color:var(--teal);cursor:pointer;font-size:10px;margin:0;padding:4px 8px;border:1px solid var(--line);border-radius:6px}.file-label:hover{background:var(--pale)}

.decision-card>.risk-note{font-size:10px;color:#d6c8a5;border-top:1px solid #ffffff15;margin-top:20px;padding-top:13px;max-width:none}

.file-label:focus-visible{outline:3px solid #79b4a8;outline-offset:2px}

@media(max-width:780px){.input-grid{grid-template-columns:repeat(2,1fr)}#risk-floor-help{font-size:9px}}

.decision-status.bad{background:#693e37;color:#ffe1d8;border-color:#ac796a}.decision-status.warn{background:#5d5034;color:#ffe4ae;border-color:#9e895b}.decision-status.good{background:#ffffff12;color:#e2f0e8}

.reference-nav{display:flex;flex-wrap:wrap;gap:12px;align-items:center;padding:16px 0;border-bottom:1px solid #dce4df}.reference-nav a{color:#245d57;font-weight:650;text-underline-offset:4px}.reference-nav span{font-size:.8rem;color:#74613e}
/* Khayar 0.4 identity. The supplied image remains unchanged. */
:root{--ink:#102C3A;--muted:#4E6268;--teal:#1D9E93;--teal-dark:#102C3A;--pale:#E1EEEA;--paper:#F4F1E8;--line:#D9DFD7;--amber:#326C70;--white:#FFFFFF;--red:#A2443D}
.topbar{background:#FCFBF7;height:106px;gap:20px}.brand{display:flex;flex-direction:column;align-items:flex-start;gap:0;min-width:190px}.brand-logo{width:210px;height:62px;object-fit:contain;object-position:center}.brand small{margin-top:-3px;font-size:10px;color:#4E6268}.brand-mark{display:none}.language-toggle{border:1px solid #8FA7A8;border-radius:8px;background:#fff;color:#102C3A;padding:8px 13px;min-height:40px;font-weight:700;font-size:12px;white-space:nowrap}.language-toggle:hover{background:#E1EEEA}.language-toggle:focus-visible{outline:3px solid #1D9E93;outline-offset:3px}.header-meta{gap:12px}.version{color:#4E6268}.pill{color:#34524C}.reference-nav{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 30px;padding:0;border:0;background:transparent}.reference-nav a{background:#fff;border:1px solid var(--line);border-radius:8px;padding:8px 13px;font-size:11px;color:#284B55;min-height:37px}.reference-nav a:hover{background:#E1EEEA;border-color:#80B7B1}.intro{margin-bottom:30px}.intro-copy,.helper,.section-note{color:#4E6268}.scope-note{border-right:0;border-inline-start:2px solid #1D9E93}.scope-symbol{color:#287670;margin-left:0;margin-inline-end:8px}.eyebrow{color:#286C67}.primary{background:#102C3A;color:#F4F1E8}.primary:hover{background:#1C4253}.secondary{background:#E1EEEA;color:#102C3A}.file-label{color:#255B60}.step{color:#102C3A;background:#DFEEEA}.decision-card{background:#102C3A}.decision-card .eyebrow{color:#8FDDD1}.decision-card>p{color:#D0DEDF}.decision-card h2{font-size:25px}.metrics span,.metrics small{color:#C2D6D7}.decision-card>.risk-note{color:#DBD9CC}.decision-status.good{background:#1E4D50;color:#DCF4E9;border-color:#4A7A74}.metrics>div{border-left:0;border-inline-end:1px solid #ffffff25;padding-left:0;padding-inline-end:14px}.metrics>div:last-child{border:0;padding:0}.number-field input{padding:10px 12px;text-align:start}.number-field span{position:static;display:block;font-size:9px;color:#54676B;margin-top:4px;line-height:1.7;overflow-wrap:anywhere}.number-field{padding:0}.controls{top:16px}.controls .helper{font-size:10px}.input-grid{gap:15px}.table-scroll table{text-align:start}.tag{background:#E2EFE9;color:#235C4B}.tag.warn{color:#775A20;background:#F5EBCF}.task-lane,.gantt-scale{direction:ltr}.task-bar{background:#39786C;color:#fff}.task-bar.info{background:#2B657C}.task-bar.fixed{background:#856A36}.task-label{text-align:start}.gantt-header,.gantt-row{grid-template-columns:175px 1fr}.branch-details span{background:#F1F4EE;color:#38555C}.bhp-metrics{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.bhp-stat{border:1px solid #DBE4DE;background:#FAFBF8;border-radius:10px;padding:16px}.bhp-stat h3{margin:0 0 13px;font-size:13px;line-height:1.6;color:#102C3A}.bhp-stat-row{display:flex;justify-content:space-between;align-items:baseline;gap:16px;font-size:11px;padding:5px 0;color:#4E6268}.bhp-stat-row strong{font-size:20px;line-height:1.2;color:#102C3A;font-weight:500;font-variant-numeric:tabular-nums;white-space:nowrap}.bhp-stat-row.selected strong{font-weight:700;color:#145E57}.bhp-stat small{display:block;font-size:9px;color:#4E6268;margin-top:7px;line-height:1.7}.tradeoff{border-inline-start:3px solid #1D9E93;margin-top:19px;padding:10px 15px;background:#F0F6F1;border-radius:6px}.tradeoff>strong{font-size:12px}.tradeoff ul{padding-inline-start:19px;margin:8px 0;font-size:12px;color:#294B50}.tradeoff p{font-size:10px;color:#4E6268;margin:8px 0 0}#audit-readable p{font-size:11px;color:#4E6268}.assumptions p{overflow-wrap:anywhere}.decision-status{white-space:normal;max-width:45%;text-align:center}.day-cell small{font-size:9px}.notice{color:#405A58}.gantt{direction:inherit}footer{color:#526B6A}.file-label{font-size:10px}.actions{gap:8px}.brand:hover{opacity:.92}
html[dir=ltr] body{font-family:Arial,Helvetica,sans-serif;line-height:1.6}html[dir=ltr] h1{letter-spacing:-1.1px;line-height:1.2;font-size:36px}html[dir=ltr] .intro-copy{font-size:14px;line-height:1.7}html[dir=ltr] .brand small{font-size:10px}html[dir=ltr] .decision-card h2{font-size:24px;line-height:1.4}html[dir=ltr] .decision-card>p{line-height:1.7}html[dir=ltr] .section-title h2{font-size:17px}html[dir=ltr] .number-field input{text-align:left}html[dir=ltr] .scope-note{padding-inline-start:18px}html[dir=ltr] .version{font-size:11px}html[dir=ltr] .case-tools{flex-wrap:wrap}html[dir=ltr] .gantt-header,html[dir=ltr] .gantt-row{grid-template-columns:175px 1fr}html[dir=ltr] .metrics small{font-size:9px}
@media(max-width:1100px){.workspace{grid-template-columns:285px minmax(0,1fr)}.header-meta{gap:9px}.intro{gap:25px}.scope-note{max-width:275px}.metrics{grid-template-columns:repeat(3,minmax(0,1fr))}.metrics strong{font-size:24px}.metrics span{font-size:10px}.bhp-stat-row{gap:8px}.bhp-stat-row strong{font-size:18px}.bhp-stat-row span{font-size:10px}.gantt-chart{min-width:590px}}
@media(max-width:780px){.topbar{height:96px;padding:0 18px}.brand{min-width:0}.brand-logo{width:165px;height:55px}.brand small{font-size:9px;margin-top:-4px}.header-meta{gap:8px}.pill{display:none}.language-toggle{font-size:11px;padding:7px 10px}.reference-nav{gap:7px;margin-bottom:23px}.reference-nav a{font-size:10px;padding:7px 10px;min-height:34px}.workspace{display:flex}.intro{display:block}.scope-note{max-width:none;margin-top:20px}.input-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.number-field span{font-size:9px}.controls .helper{font-size:10px}.controls .input-grid label{font-size:11px}.case-tools{justify-content:flex-start;gap:20px}.bhp-metrics{gap:10px}.bhp-stat{padding:13px}.bhp-stat h3{font-size:11px;min-height:35px}.bhp-stat-row{display:block}.bhp-stat-row span{display:block;font-size:10px}.bhp-stat-row strong{font-size:21px}.decision-card{padding:23px 20px}.decision-card h2{font-size:23px}.metrics{gap:10px}.metrics strong{font-size:24px}.metrics span{font-size:9px}.decision-status{max-width:45%;font-size:9px}.section-title{gap:5px}.tradeoff ul{font-size:11px}html[dir=ltr] h1{font-size:31px}html[dir=ltr] .decision-card h2{font-size:21px}html[dir=ltr] .intro-copy{font-size:13px}html[dir=ltr] .metrics strong{font-size:23px}html[dir=ltr] .metrics span{font-size:9px}html[dir=ltr] .brand small{font-size:8px}.scope-note p{font-size:11px}}
@media(max-width:390px){.brand-logo{width:145px}.brand small{font-size:8px}.metrics{grid-template-columns:1fr;gap:11px}.metrics>div{border:0;border-bottom:1px solid #ffffff25;padding:0 0 10px;display:grid;grid-template-columns:1fr auto;align-items:center}.metrics strong{margin:0}.metrics small{grid-column:1/-1}.metrics>div:last-child{border:0}.bhp-metrics{grid-template-columns:1fr}.bhp-stat-row{display:flex}.bhp-stat h3{min-height:0}}
@media print{.language-toggle,.reference-nav{display:none!important}.brand-logo{width:180px;height:55px}.topbar{height:auto;padding:6px 0}.decision-card{color:#102C3A!important}.metrics>div{border-color:#aaa}.bhp-panel{break-inside:avoid}.bhp-stat{background:white}.decision-card>.risk-note{color:#45575A}.workspace{display:block}.bhp-metrics{grid-template-columns:repeat(2,1fr)}.gantt-chart{min-width:0}.tradeoff{background:#f7f8f4}.brand small{color:#102C3A}}
@media(prefers-reduced-motion:reduce){.notice.loading{animation:none}.button{transition:none}}
#audit-readable ul{font-size:11px;color:#4E6268;padding-inline-start:20px;line-height:1.8}

.reference-boundary{font-size:11px;line-height:1.8;color:#35555C;background:#F2F5EF;border:1px solid #D9E2D8;border-radius:8px;padding:11px 13px;margin:0 0 16px}
