:root {
    --fee-primary: #2c87db;
    --fee-primary-dark: #1167b5;
    --fee-ink: #15223a;
    --fee-muted: #5f7188;
    --fee-border: #d9e5f0;
    --fee-soft: #f7faff;
    --fee-success: #168554;
}

.fee-calculator-page { padding: 34px 0 64px; background: #f7f9fc; }
.fee-calculator-card { padding: 32px; border: 1px solid var(--fee-border); border-radius: 20px; background: #fff; box-shadow: 0 10px 28px rgba(31, 54, 86, .06); }
.fee-calculator-intro { max-width: 860px; margin: 0 auto 19px; text-align: center; }
.fee-calculator-eyebrow { display: inline-flex; align-items: center; gap: 7px; padding: 7px 12px; border-radius: 999px; background: #eaf5ff; color: var(--fee-primary-dark); font-size: 12px; font-weight: 750; }
.fee-calculator-intro h1 { margin: 11px 0 9px; color: var(--fee-ink); font-size: clamp(28px, 4vw, 39px); font-weight: 800; }
.fee-calculator-intro p { max-width: 760px; margin: 0 auto; color: #53657d; font-size: 15px; line-height: 1.65; }
.fee-calculator-notice { display: flex; max-width: 980px; margin: 0 auto 20px; padding: 12px 14px; border: 1px solid #f0d691; border-radius: 11px; align-items: flex-start; background: #fff8e7; color: #765b13; font-size: 12px; line-height: 1.55; gap: 9px; }
.fee-calculator-notice i { margin-top: 2px; color: #d39811; }
.fee-calculator-alert { margin: 0 0 18px; padding: 12px 16px; border: 1px solid #f2bac2; border-radius: 10px; background: #fff0f2; color: #a3293b; text-align: center; }
.fee-calculator-alert.is-warning { border-color: #f0d691; background: #fff8e7; color: #87610a; }
.fee-calculator-alert.is-success { border-color: #bae5cd; background: #edfff4; color: #146b42; }

.fee-calculator-workspace { display: grid; align-items: stretch; gap: 18px; grid-template-columns: minmax(0, 1.2fr) minmax(300px, .8fr); }
.fee-calculator-settings, .fee-calculator-results { min-width: 0; border: 1px solid var(--fee-border); border-radius: 15px; background: var(--fee-soft); }
.fee-calculator-settings { padding: 22px; }
.fee-calculator-panel-heading { margin-bottom: 18px; padding-bottom: 15px; border-bottom: 1px solid #dfebf5; }
.fee-calculator-panel-heading h2 { display: flex; margin: 0 0 5px; align-items: center; color: var(--fee-ink); font-size: 18px; font-weight: 800; gap: 8px; }
.fee-calculator-panel-heading h2 i { color: var(--fee-primary); }
.fee-calculator-panel-heading span { display: block; color: var(--fee-muted); font-size: 12px; line-height: 1.5; }
.fee-calculator-primary-grid, .fee-calculator-fee-grid { display: grid; gap: 14px; grid-template-columns: repeat(2, minmax(0, 1fr)); }
.fee-calculator-profile-control { margin-top: 14px; }
.fee-calculator-fee-grid { margin-top: 14px; }
.fee-calculator-control { min-width: 0; }
.fee-calculator-control label { display: block; margin: 0 0 7px; color: #40536b; font-size: 12px; font-weight: 800; }
.fee-calculator-control .form-control, .fee-calculator-control .form-select { min-height: 47px; border-color: #cbd9e7; border-radius: 9px; color: var(--fee-ink); font-size: 15px; }
.fee-calculator-control .form-control:focus, .fee-calculator-control .form-select:focus { border-color: var(--fee-primary); box-shadow: 0 0 0 .18rem rgba(44, 135, 219, .13); }
.fee-calculator-control .form-select { padding-right: 34px; }
.fee-calculator-field-hint { display: block; min-height: 18px; margin-top: 5px; color: var(--fee-muted); font-size: 11px; line-height: 1.45; }
.fee-calculator-control .invalid-feedback { font-size: 11px; }
.fee-calculator-actions { display: flex; margin-top: 18px; flex-wrap: wrap; gap: 9px; }
.fee-calculator-actions .btn, .fee-calculator-copy { min-height: 42px; padding-inline: 17px; border-radius: 8px; font-size: 13px; font-weight: 750; }

.fee-calculator-results { display: flex; padding: 22px; flex-direction: column; background: linear-gradient(150deg, #ecf7ff, #f8fcff); }
.fee-calculator-result-top { padding-bottom: 17px; border-bottom: 1px solid #d7e8f5; }
.fee-calculator-result-top > span { display: block; color: var(--fee-primary-dark); font-size: 12px; font-weight: 800; letter-spacing: .02em; text-transform: uppercase; }
.fee-calculator-net-amount { display: block; overflow-wrap: anywhere; margin-top: 8px; color: var(--fee-success); font-size: clamp(28px, 3vw, 38px); font-weight: 850; line-height: 1.2; }
.fee-calculator-result-metrics { display: grid; margin: 16px 0; gap: 10px; grid-template-columns: repeat(2, minmax(0, 1fr)); }
.fee-calculator-result-metrics > div { min-width: 0; padding: 11px; border: 1px solid #d7e7f3; border-radius: 9px; background: rgba(255, 255, 255, .72); }
.fee-calculator-result-metrics span { display: block; color: var(--fee-muted); font-size: 10px; font-weight: 750; text-transform: uppercase; }
.fee-calculator-result-metrics output { display: block; overflow-wrap: anywhere; margin-top: 4px; color: var(--fee-ink); font-size: 16px; font-weight: 800; }
.fee-calculator-breakdown { padding: 15px; border: 1px solid #d8e8f4; border-radius: 10px; background: #fff; }
.fee-calculator-breakdown h2 { margin: 0 0 9px; color: var(--fee-ink); font-size: 14px; font-weight: 800; }
.fee-calculator-breakdown dl { margin: 0; }
.fee-calculator-breakdown dl > div { display: flex; padding: 7px 0; border-top: 1px dashed #e1ebf3; align-items: center; justify-content: space-between; gap: 12px; }
.fee-calculator-breakdown dl > div:first-child { border-top: 0; }
.fee-calculator-breakdown dt { color: var(--fee-muted); font-size: 12px; font-weight: 600; }
.fee-calculator-breakdown dd { margin: 0; color: var(--fee-ink); font-size: 12px; font-weight: 800; text-align: right; }
.fee-calculator-invoice { margin-top: 15px; padding: 14px; border: 1px solid #bfddf7; border-radius: 10px; background: #eaf6ff; }
.fee-calculator-invoice > span { display: block; color: #295d87; font-size: 11px; font-weight: 800; }
.fee-calculator-invoice output { display: block; margin: 4px 0; color: #0d70bd; font-size: 22px; font-weight: 850; }
.fee-calculator-invoice p { margin: 0; color: #56718a; font-size: 11px; line-height: 1.45; }
.fee-calculator-copy { width: 100%; margin-top: 15px; }
.fee-calculator-privacy { display: flex; margin: 16px 0 0; align-items: flex-start; color: #4a657d; font-size: 12px; line-height: 1.5; gap: 7px; }
.fee-calculator-privacy i { margin-top: 2px; color: #198754; }
.fee-calculator-related { display: flex; margin-top: 18px; padding-top: 16px; border-top: 1px solid #e3ebf3; align-items: flex-start; gap: 14px; }
.fee-calculator-related > span { color: #40536b; font-size: 12px; font-weight: 800; white-space: nowrap; }
.fee-calculator-related > div { display: flex; flex-wrap: wrap; gap: 7px; }
.fee-calculator-related a { padding: 5px 9px; border: 1px solid #d4e0ec; border-radius: 999px; color: #1b72c0; background: #f7fbff; font-size: 11px; font-weight: 750; text-decoration: none; }
.fee-calculator-related a:hover { border-color: var(--fee-primary); background: #eaf5ff; color: #0b5ea9; }

@media (max-width: 991.98px) {
    .fee-calculator-workspace { grid-template-columns: 1fr; }
}

@media (max-width: 767.98px) {
    .fee-calculator-page { padding: 20px 0 46px; }
    .fee-calculator-card { padding: 20px 14px; border-radius: 15px; }
    .fee-calculator-intro h1 { font-size: 28px; }
    .fee-calculator-intro p { font-size: 14px; }
    .fee-calculator-settings, .fee-calculator-results { padding: 16px 13px; border-radius: 12px; }
    .fee-calculator-primary-grid, .fee-calculator-fee-grid { grid-template-columns: 1fr; }
    .fee-calculator-result-metrics { grid-template-columns: 1fr; }
    .fee-calculator-actions .btn { flex: 1 1 100%; }
    .fee-calculator-related { flex-direction: column; gap: 8px; }
}