:root{--navy:#18354a;--navy2:#254e69;--ink:#1b2430;--muted:#536675;--gold:#c39832;--yellow:#fff1ce;--red:#bd4c42;--line:#d7e0e6;--paper:#fff;--wash:#f3f6f8;font-family:Arial,Helvetica,sans-serif;color:var(--ink);font-size:16px;background:var(--wash)}
*{box-sizing:border-box}body{margin:0}button,input,select{font:inherit}button,a,input,select{touch-action:manipulation}button{cursor:pointer;border:1px solid var(--navy);border-radius:5px;background:var(--navy);color:white;padding:.7rem 1.1rem;font-weight:700;min-height:44px}button:hover{background:var(--navy2)}button:disabled{cursor:default;opacity:.48}button.secondary,.button-link{background:white;color:var(--navy);border:1px solid var(--line);text-decoration:none;border-radius:5px;padding:.7rem 1rem;display:inline-flex;align-items:center;justify-content:center;min-height:44px;font-weight:700}button.secondary:hover,.button-link:hover{background:var(--wash)}button.danger{background:white;border-color:var(--red);color:var(--red)}button.small{padding:.4rem .6rem;font-size:.875rem;min-height:36px}button.link{background:none;border:0;color:var(--navy);padding:.3rem 0;text-decoration:underline;font-weight:400}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid #bc9132;outline-offset:3px}a{color:var(--navy)}label{font-size:.9rem;font-weight:700;display:block;margin-bottom:.45rem}input:not([type=range]):not([type=checkbox]),select{border:1px solid #a8b9c6;border-radius:4px;padding:.7rem;width:100%;min-height:44px;background:white;color:var(--ink)}input[type=checkbox]{width:19px;height:19px;accent-color:var(--navy)}input.code-input{letter-spacing:.15em;text-transform:uppercase;font-weight:700}input[type=range]{width:100%;accent-color:var(--navy);height:36px;cursor:pointer;margin:1rem 0 .1rem}h1,h2,h3,p{margin-top:0}h1{color:var(--navy);font-size:2rem;letter-spacing:-.03em;margin-bottom:.65rem}h2{font-size:1.3rem;color:var(--navy);margin-bottom:1rem}h3{font-size:1.05rem;color:var(--navy);margin-bottom:.7rem}p{line-height:1.55}small,.muted{color:var(--muted)}small{font-size:.875rem;line-height:1.5}hr{border:0;border-top:1px solid var(--line);margin:1.5rem 0}.masthead{height:76px;background:var(--navy);color:white;display:flex;justify-content:space-between;align-items:center;padding:0 max(24px,calc((100vw - 1200px)/2));gap:1rem}.brand{display:flex;align-items:center;gap:12px;font-weight:700;letter-spacing:.01em}.brand-square{border:1px solid #8fa7b8;width:32px;height:32px;display:grid;place-items:center;color:var(--yellow);font-size:1.1rem}.header-note{font-size:.9rem;color:#d4e1e9}.student,.dashboard{max-width:1248px;margin:auto;padding:36px 24px}.join{max-width:520px;margin:4vh auto}.eyebrow{font-size:.8rem;text-transform:uppercase;letter-spacing:.12em;color:var(--muted);font-weight:700;margin-bottom:.7rem}.panel{background:var(--paper);border:1px solid var(--line);border-radius:8px;padding:26px}.panel+.panel{margin-top:20px}.join .panel{padding:30px}.field{margin-bottom:18px}.field-hint{display:block;margin-top:6px}.full{width:100%}.intro{margin-bottom:28px;color:var(--muted)}.title-row{display:flex;justify-content:space-between;align-items:flex-start;gap:20px;margin-bottom:24px}.actions{display:flex;flex-wrap:wrap;align-items:center;gap:10px}.badge{display:inline-block;background:#e8eef2;color:var(--navy);padding:6px 10px;border-radius:4px;font-size:.875rem;font-weight:700;line-height:1.3}.badge.gold{background:var(--yellow)}.badge.done{background:#e7f2ef;color:#275e4c}.badge.red{background:#f9e8e6;color:#8f3028}.round-strip{display:flex;justify-content:space-between;align-items:center;gap:1rem;padding:14px 0;margin-bottom:24px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);font-size:.9rem}.play-grid{display:grid;grid-template-columns:minmax(0,1.7fr) minmax(260px,1fr);gap:24px;align-items:start}.role-title{display:flex;justify-content:space-between;align-items:center;gap:1rem}.role-title h2{font-size:1.6rem}.price-box{background:var(--yellow);padding:24px;border:1px solid #e2c879;border-radius:6px;margin:24px 0}.price-input-row{display:flex;align-items:center;gap:16px;justify-content:space-between}.price-input-row label{font-size:1rem;margin:0}.price-input-row input{max-width:120px;font-size:1.7rem!important;font-weight:700;text-align:right;background:white}.range-ends{display:flex;justify-content:space-between;font-size:.875rem;color:var(--muted)}.formula{font-size:1.2rem;color:var(--navy);font-weight:700;margin:.8rem 0}.rule-line{display:flex;justify-content:space-between;gap:1rem;padding:.6rem 0;border-bottom:1px solid var(--line);line-height:1.4}.rule-line:last-child{border:0}.callout{padding:16px 18px;border-left:4px solid var(--gold);background:var(--yellow);line-height:1.5;margin:18px 0}.callout.error{border-left-color:var(--red);background:#fcf0ee}.wait{padding:26px 0 16px}.wait h2{font-size:1.55rem}.profit-label{font-size:.9rem;font-weight:700;color:var(--muted)}.profit-value{font-size:3.5rem;font-weight:700;letter-spacing:-.04em;color:var(--navy);margin:8px 0 20px}.loss{color:var(--red)!important}.metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.metric{border-top:2px solid var(--line);padding:12px 0}.metric span{font-size:.875rem;display:block;color:var(--muted);margin-bottom:7px}.metric strong{font-size:1.5rem}.recovery{margin-top:22px;border-top:1px solid var(--line);padding-top:18px;font-size:.9rem}.recovery summary{cursor:pointer;color:var(--muted)}.recovery code{font-family:Consolas,monospace;font-size:1rem;letter-spacing:.08em;color:var(--navy)}.recovery p{margin:14px 0}.empty{padding:42px 24px;text-align:center;background:white;border:1px dashed var(--line);border-radius:6px;color:var(--muted);line-height:1.6}.error-text{color:var(--red);margin:12px 0;font-size:.95rem}.notice{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);max-width:calc(100vw - 40px);background:var(--navy);color:white;padding:14px 20px;border-radius:6px;box-shadow:0 4px 20px #18354a30;z-index:20;line-height:1.4}.notice.error{background:#902f28}.offline{background:#fff1ce;color:#6b4a08;padding:10px 16px;border:1px solid #dfc577;margin-bottom:18px;border-radius:4px}.session-list{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:16px;margin-top:22px}.session-card{background:white;border:1px solid var(--line);padding:22px;border-radius:6px}.session-card h3{font-size:1.15rem;margin:14px 0 8px}.session-card .meta{margin:8px 0 20px;line-height:1.65;color:var(--muted);font-size:.9rem}.two-col{display:grid;grid-template-columns:1fr 1fr;gap:20px}.three-col{display:grid;grid-template-columns:2fr 1fr 1.4fr;gap:18px}.create-panel{margin-bottom:28px}.create-panel summary{cursor:pointer;font-weight:700;color:var(--navy)}.create-panel form{margin-top:22px}.code-banner{display:grid;grid-template-columns:1.5fr 1fr;gap:20px;border:1px solid #ccd7df;border-left:5px solid var(--navy);background:white;border-radius:5px;padding:24px;margin-bottom:24px}.room-code{font-size:2.4rem;letter-spacing:.16em;color:var(--navy);font-weight:700;margin:8px 0;overflow-wrap:anywhere}.join-url{font-size:.9rem;color:var(--muted);overflow-wrap:anywhere}.counts{display:flex;align-items:center;justify-content:flex-end;gap:32px}.counts strong{display:block;font-size:2rem;color:var(--navy);margin-bottom:4px}.counts span{font-size:.9rem;color:var(--muted)}.toolbar{display:flex;justify-content:space-between;align-items:center;gap:14px;flex-wrap:wrap;margin-bottom:20px}.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:5px;background:white;margin:18px 0}table{border-collapse:collapse;width:100%;font-size:.9rem}th{background:var(--navy);color:white;text-align:left;padding:12px 14px;font-size:.875rem;font-weight:700;white-space:nowrap}td{padding:12px 14px;border-bottom:1px solid var(--line);line-height:1.4}tbody tr:last-child td{border:0}tbody tr:nth-child(even){background:#f5f8fa}th.num,td.num{text-align:right;font-variant-numeric:tabular-nums}.selected-row{background:var(--yellow)!important}.table-wrap select{min-width:70px}td .muted{font-size:.8rem}.section-head{display:flex;align-items:center;justify-content:space-between;gap:15px;margin-top:30px}.section-head h2{margin:0}.result-controls{display:flex;align-items:flex-end;flex-wrap:wrap;gap:16px}.result-controls .field{margin:0;min-width:120px}.result-controls select{min-width:130px}.charts{display:grid;grid-template-columns:1.2fr 1fr;gap:20px;margin-top:20px}.chart-panel{background:white;border:1px solid var(--line);border-radius:6px;padding:22px;min-width:0}.chart-panel h3{margin-bottom:14px}.chart{width:100%;height:auto;display:block}.chart text{font-family:Arial,Helvetica,sans-serif;fill:var(--muted);font-size:13px}.chart .axis-label{fill:var(--navy);font-size:14px}.chart .bar-label{font-size:13px;fill:var(--ink)}.legend{display:flex;gap:12px 18px;flex-wrap:wrap;font-size:.8rem;color:var(--muted);margin-top:8px}.legend span{display:inline-flex;align-items:center;gap:6px}.swatch{width:12px;height:12px;border-radius:2px;display:inline-block}.swatch.navy{background:var(--navy)}.swatch.gold{background:var(--gold)}.swatch.red{background:var(--red)}.swatch.gray{background:#879aa9}.benchmark-controls{background:#fff;border:1px solid var(--line);border-radius:6px;padding:20px;margin-top:24px}.check-label{display:inline-flex;align-items:center;gap:9px;font-weight:400;margin:0}.benchmark-row{display:flex;gap:20px;align-items:center;flex-wrap:wrap}.benchmark-row .field{max-width:200px;margin:0}.results-title{margin-top:28px}.results-note{font-size:.875rem;color:var(--muted);margin-top:14px}.settings{margin:18px 0}.settings summary{color:var(--navy);font-weight:700;cursor:pointer}.settings form{padding-top:18px}.connection{font-size:.875rem;color:var(--muted)}footer{max-width:1200px;margin:20px auto 0;border-top:1px solid var(--line);padding:20px 0 28px;font-size:.8rem;color:var(--muted)}[hidden]{display:none!important}dialog{border:1px solid var(--line);border-radius:8px;padding:28px;width:min(450px,calc(100vw - 32px));color:var(--ink)}dialog::backdrop{background:#10273670}dialog p{margin-bottom:24px}dialog .actions{justify-content:flex-end}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}
@media(max-width:800px){.play-grid,.charts,.two-col,.three-col{grid-template-columns:1fr}.code-banner{grid-template-columns:1fr}.counts{justify-content:flex-start}.masthead{padding:0 20px;height:66px}.header-note{display:none}.student,.dashboard{padding:26px 16px}.join{margin:2vh auto}.title-row{flex-direction:column;gap:12px}h1{font-size:1.75rem}.panel{padding:22px}.room-code{font-size:2.15rem}.profit-value{font-size:3rem}footer{margin:20px 16px 0}.round-strip{align-items:flex-start}.section-head{align-items:flex-start;flex-direction:column}.charts{gap:16px}.chart-panel{padding:16px}.benchmark-row{align-items:flex-start;flex-direction:column}.price-box{padding:18px}.result-controls{width:100%}.result-controls .field{flex:1}.table-wrap{margin:14px 0}td,th{padding:10px 12px}}
@media(prefers-reduced-motion:no-preference){button{transition:background .15s}.notice{animation:arrive .15s ease-out}@keyframes arrive{from{opacity:0}to{opacity:1}}}
.transition-panel,.active-panel,.archive-panel{margin-top:22px}.transition-panel .section-head,.active-panel .section-head,.archive-panel .section-head{margin-top:0;margin-bottom:20px}.prepared{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:20px;background:var(--yellow);border-left:4px solid var(--gold);margin-top:18px}.prepared p{margin:8px 0}.prepared small{display:block;line-height:1.5}.quote-choice{padding:0;border:0;margin:20px 0}.quote-choice legend{font-weight:700;color:var(--navy);margin-bottom:12px}.quote-option{display:flex;align-items:center;gap:12px;padding:15px;border:1px solid var(--line);border-radius:4px;margin-bottom:10px;cursor:pointer}.quote-option strong{margin-left:auto}.quote-option:has(input:checked){background:var(--yellow);border-color:var(--gold)}.supplier-row{white-space:nowrap;font-size:.82rem;padding:4px 0}.supplier-row.chosen{color:#376e58}.archive-item{display:flex;justify-content:space-between;align-items:center;gap:18px;padding:15px 0;border-top:1px solid var(--line)}.archive-item small{display:block;margin-top:7px;color:var(--muted)}.inline-form{display:flex;gap:18px;align-items:end}.inline-form .field{margin-bottom:0;max-width:170px}.counts{gap:20px}.counts strong{font-size:1.7rem}.counts span{display:block}.transition-panel small{max-width:500px}.active-panel>p{margin:18px 0}@media(max-width:800px){.prepared,.archive-item{align-items:flex-start;flex-direction:column}.prepared button{width:100%}.counts{flex-wrap:wrap}.counts strong{font-size:1.5rem}.quote-option{padding:12px}.inline-form{flex-wrap:wrap}.supplier-row{white-space:normal;min-width:180px}}

.quote-option input[type=radio]{width:18px;height:18px;min-height:18px;min-width:18px;flex:0 0 18px;margin:0;padding:0;accent-color:var(--navy)}.quote-option span,.quote-option strong{white-space:nowrap}.quote-option span{font-weight:400}