.fueleu-workspace { min-height: 0; }
.fueleu-page { flex: 1; min-width: 0; min-height: 0; overflow: auto; padding: 29px clamp(18px, 3.4vw, 54px) 40px; }
.fueleu-heading, .fueleu-layout, .fueleu-footer { max-width: 1500px; margin-inline: auto; }
.fueleu-heading { display: flex; align-items: end; justify-content: space-between; gap: 20px; margin-bottom: 24px; }
.fueleu-heading .eyebrow, .fueleu-output .eyebrow { margin: 0; }
.fueleu-heading h1 { margin: 8px 0; font-size: clamp(28px, 3vw, 40px); color: #15354a; }
.fueleu-heading p:not(.eyebrow) { margin: 0; color: #627788; font-size: 13px; line-height: 1.6; max-width: 70ch; }
.fueleu-kicker { flex: none; background: #e5f4f3; border-radius: 999px; color: #187e84; font-size: 11px; font-weight: 800; letter-spacing: .03em; padding: 9px 12px; }
.fueleu-layout { display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(330px, .85fr); gap: 22px; align-items: start; }
.fueleu-panel { min-width: 0; background: #fff; border: 1px solid #dce7ed; border-radius: 15px; box-shadow: 0 7px 22px #112b430b; padding: 21px 23px; margin-bottom: 18px; }
.fueleu-panel-title { display: flex; gap: 12px; align-items: start; margin-bottom: 18px; }
.fueleu-panel-title > span { display: grid; place-items: center; flex: none; width: 29px; height: 29px; border-radius: 8px; background: #e8f6f4; color: #187e84; font-size: 11px; font-weight: 800; }
.fueleu-panel-title h2, .fueleu-output h2 { margin: 1px 0 4px; color: #1c394d; font-size: 17px; letter-spacing: -.025em; }
.fueleu-panel-title p, .fueleu-hint { color: #728796; font-size: 11px; line-height: 1.55; margin: 0; }
.fueleu-hint { margin-top: 14px; }
.fueleu-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 13px 16px; }
.fueleu-field { display: block; min-width: 0; font-size: 11px; font-weight: 800; color: #3c596b; }
.fueleu-field > span { display: flex; align-items: center; justify-content: space-between; gap: 8px; margin-bottom: 6px; }
.fueleu-field small { color: #8095a2; font-size: 10px; font-weight: 600; }
.fueleu-field input, .fueleu-field select { display: block; height: 40px; width: 100%; border: 1px solid #cbdce5; background: #fff; border-radius: 8px; padding: 7px 11px; color: #193a50; font-size: 12px; font-weight: 500; }
.fueleu-field input::placeholder { color: #a0b0b9; }
.fueleu-field input:focus-visible, .fueleu-field select:focus-visible, .fueleu-page button:focus-visible, .fueleu-method a:focus-visible { outline: 3px solid #1c91a0; outline-offset: 2px; }
.fueleu-rows { display: grid; gap: 12px; }
.fueleu-row { border: 1px solid #e0e9ee; background: #fafcfd; border-radius: 11px; padding: 15px; }
.fueleu-file-actions { display: flex; flex-wrap: wrap; gap: 9px; }
.fueleu-file-actions .fueleu-secondary { margin-top: 15px; }
.fueleu-row-head { display: flex; justify-content: space-between; align-items: center; gap: 10px; margin-bottom: 13px; }
.fueleu-row-head strong { color: #245069; font-size: 12px; }
.fueleu-row-index { display: inline-block; padding: 4px 6px; margin-left: 3px; color: #277f88; background: #e7f4f4; border-radius: 5px; font-size: 10px; }
.fueleu-remove { border: 0; background: none; color: #a35748; font-size: 11px; font-weight: 800; padding: 7px; }
.fueleu-remove:hover { color: #7f342b; text-decoration: underline; }
.fueleu-secondary { border: 1px dashed #79b9bc; background: #f0faf9; color: #176e78; border-radius: 9px; padding: 11px 15px; margin-top: 13px; font-weight: 800; font-size: 12px; }
.fueleu-secondary:hover { background: #e5f6f5; border-color: #248d93; }
.fueleu-calculate { display: flex; justify-content: space-between; align-items: center; width: 100%; height: 49px; padding: 0 19px; border: 0; border-radius: 10px; background: #08658c; color: #fff; font-size: 16px; font-weight: 800; box-shadow: 0 6px 17px #08658c40; }
.fueleu-calculate:hover { background: #064d6c; box-shadow: 0 9px 21px #064d6c55; }
.fueleu-message { min-height: 18px; color: #a14b37; font-size: 12px; line-height: 1.5; }
.fueleu-summary { position: sticky; top: 0; min-width: 0; }
.fueleu-output { padding: 24px; }
.fueleu-output h2 { font-size: 25px; margin: 9px 0 9px; }
.fueleu-output > p:not(.eyebrow), .fueleu-method p { color: #748695; font-size: 12px; line-height: 1.65; }
.fueleu-result-heading { font-size: 12px; color: #506f82; font-weight: 800; margin: 14px 0 11px; }
.fueleu-balance { border-radius: 10px; padding: 16px; }
.fueleu-balance.positive { background: #e9f7f1; color: #14664a; }
.fueleu-balance.negative { background: #fff2ec; color: #a44738; }
.fueleu-balance span, .fueleu-balance strong { display: block; }
.fueleu-balance span { font-size: 11px; font-weight: 700; }
.fueleu-balance strong { font-size: clamp(23px, 2.2vw, 30px); letter-spacing: -.05em; margin-top: 4px; }
.fueleu-metrics { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; margin: 19px 0; }
.fueleu-metric span, .fueleu-metric strong { display: block; }
.fueleu-metric span { font-size: 10px; color: #768d9c; }
.fueleu-metric strong { font-size: 13px; color: #24445a; margin-top: 5px; overflow-wrap: anywhere; }
.fueleu-result-note { color: #617d8c; font-size: 11px; line-height: 1.55; border-top: 1px solid #edf1f3; padding-top: 13px; }
.fueleu-output h3, .fueleu-method h3 { color: #254358; font-size: 13px; margin: 16px 0 8px; }
.fueleu-table-wrap { max-width: 100%; overflow-x: auto; }
.fueleu-table-wrap table { border-collapse: collapse; width: 100%; min-width: 600px; font-size: 10px; }
.fueleu-table-wrap th { text-align: left; background: #f1f7f8; color: #526d7e; }
.fueleu-table-wrap th, .fueleu-table-wrap td { border-bottom: 1px solid #e9eff1; padding: 8px 7px; }
.fueleu-table-wrap td { color: #344f60; }
.fueleu-method { border-radius: 12px; border: 1px solid #dce7ed; background: #f5fafb; padding: 14px 17px; }
.fueleu-method h3 { margin-top: 0; }
.fueleu-method a { color: #136b88; font-weight: 800; font-size: 11px; }
.fueleu-footer { color: #8293a0; font-size: 11px; line-height: 1.6; margin-top: 9px; }
[hidden] { display: none !important; }
@media (max-width: 1000px) { .fueleu-layout { grid-template-columns: 1fr; } .fueleu-summary { position: static; } }
@media (max-width: 760px) { .fueleu-page { overflow: visible; } .fueleu-heading { display: block; } .fueleu-kicker { display: none; } }
@media (max-width: 520px) { .fueleu-grid, .fueleu-metrics { grid-template-columns: 1fr; } .fueleu-panel { padding: 17px; } }