.calc-grid { display: grid; grid-template-columns: minmax(300px, 430px) minmax(0, 1fr); gap: 22px; align-items: start; padding-bottom: 38px; }
.calc-panel, .calc-results { padding: 27px; background: #fff; border: 1px solid var(--line); border-radius: 20px; box-shadow: 0 18px 50px rgba(31,49,39,.07); }
.calc-panel h2, .calc-results h2 { margin: 0; font-size: 30px; }
.mode-switch { display: grid; grid-template-columns: 1fr 1fr; gap: 5px; margin: 22px 0; padding: 5px; background: #eef1ec; border-radius: 13px; }
.mode-switch input { position: absolute; opacity: 0; pointer-events: none; }
.mode-switch label { display: grid; min-height: 46px; padding: 7px 10px; place-items: center; border-radius: 9px; color: #4f5b53; font-size: 13px; font-weight: 800; text-align: center; cursor: pointer; }
.mode-switch input:checked + label { color: #fff; background: var(--green); box-shadow: 0 6px 16px rgba(23,107,75,.2); }
.mode-switch input:focus-visible + label { outline: 3px solid rgba(23,107,75,.25); outline-offset: 2px; }
.field { margin-top: 18px; }
.field > label { display: block; margin-bottom: 7px; color: #39453e; font-size: 13px; font-weight: 800; }
.field-wrap { position: relative; }
.field input, .field select { width: 100%; height: 52px; padding: 0 14px; color: var(--ink); background: #fafaf6; border: 1px solid #d7dbd3; border-radius: 12px; font: inherit; outline: none; }
.field input { padding-right: 48px; font-size: 19px; font-weight: 800; font-variant-numeric: tabular-nums; }
.field input:focus, .field select:focus { background: #fff; border-color: var(--green); box-shadow: 0 0 0 4px rgba(23,107,75,.1); }
.currency-mark { position: absolute; top: 50%; right: 16px; color: var(--green); font-weight: 850; transform: translateY(-50%); }
.field-help { margin: 7px 0 0; color: var(--muted); font-size: 12px; }
.field-error { display: none; margin: 7px 0 0; color: #a53c32; font-size: 12px; font-weight: 700; }
.field-error.visible { display: block; }
.calculate-btn { width: 100%; min-height: 51px; margin-top: 23px; padding: 0 18px; color: #fff; background: var(--green); border: 0; border-radius: 12px; font: inherit; font-weight: 850; cursor: pointer; box-shadow: 0 10px 24px rgba(23,107,75,.18); }
.calculate-btn:hover { background: var(--green-dark); }
.result-cards { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; margin-top: 22px; }
.result-card { min-width: 0; padding: 16px; background: #f7f8f4; border: 1px solid #e1e5de; border-radius: 14px; }
.result-card small { display: block; color: var(--muted); font-size: 12px; }
.result-card output { display: block; margin-top: 7px; font-size: clamp(17px, 2.5vw, 24px); font-weight: 900; font-variant-numeric: tabular-nums; overflow-wrap: anywhere; }
.result-card.is-vat { color: var(--green-dark); background: var(--soft); border-color: #cfe0d5; }
.result-explanation { min-height: 82px; margin: 16px 0 0; padding: 16px; background: #17221c; color: #fff; border-radius: 14px; font-size: 14px; line-height: 1.6; }
.result-explanation strong { color: #9ee0bd; }
.result-actions { display: flex; gap: 9px; margin-top: 14px; flex-wrap: wrap; }
.result-actions button, .result-actions a { display: inline-flex; min-height: 42px; padding: 0 14px; align-items: center; justify-content: center; color: var(--green-dark); background: #fff; border: 1px solid #bdd0c3; border-radius: 10px; font: inherit; font-size: 13px; font-weight: 800; text-decoration: none; cursor: pointer; }
.result-actions button:hover, .result-actions a:hover { color: #fff; background: var(--green); border-color: var(--green); }
.calc-content { max-width: 900px; margin: 0 auto; padding: 22px 0 58px; }
.calc-content h2 { margin: 42px 0 14px; font-size: clamp(28px, 4vw, 37px); }
.calc-content h3 { margin: 29px 0 9px; font-size: 23px; }
.calc-content p { margin: 12px 0; }
.calc-content .card-grid { margin: 24px 0; }
.noscript { margin-top: 15px; padding: 12px; background: #fff7e7; border-radius: 10px; }
.toast { position: fixed; right: 20px; bottom: 20px; z-index: 10; padding: 12px 17px; color: #fff; background: #17221c; border-radius: 11px; opacity: 0; transform: translateY(10px); pointer-events: none; transition: .2s; }
.toast.show { opacity: 1; transform: translateY(0); }
@media (max-width: 820px) { .calc-grid { grid-template-columns: 1fr; } }
@media (max-width: 560px) { .calc-panel, .calc-results { padding: 20px 16px; border-radius: 16px; } .result-cards { grid-template-columns: 1fr; } .result-actions { display: grid; } .mode-switch label { min-height: 52px; } }