.vat-calculator,
.vat-calculator *,
.vat-calculator *::before,
.vat-calculator *::after {
    box-sizing: border-box;
}

.vat-calculator {
    --vat-accent: var(--color-accent, #ff485b);
    --vat-accent-dark: var(--color-accent-dark, #e73b50);
    --vat-accent-soft: rgba(255, 72, 91, .07);
    --vat-border: #dfe3e7;
    --vat-border-soft: #eceded;
    --vat-text: #2f3b46;
    --vat-muted: #667482;
    --vat-page-soft: #f8f9fb;
    --vat-danger: var(--color-accent-dark, #e73b50);
    --vat-danger-soft: rgba(255, 72, 91, .08);

    width: 100%;
    max-width: 1080px;
    margin: 0 auto;
}

.vat-calculator [hidden] {
    display: none !important;
}

.vat-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(320px, 420px);
    gap: 24px;
    align-items: start;
}

.vat-layout > * {
    min-width: 0;
}

.vat-card {
    position: relative;
    width: 100%;
    min-width: 0;
    overflow: hidden;
    padding: 24px;
    border: 1px solid var(--vat-border);
    border-radius: 14px;
    background-color: #fff;
    box-shadow: 0 18px 42px -36px rgba(28, 37, 46, .48);
}

.vat-card-title {
    margin: 0 0 18px;
    color: var(--vat-text);
    font-size: 1.15em;
    font-weight: 900;
    line-height: 1.35;
}

.vat-mode-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
    margin-bottom: 20px;
}

.vat-mode-item {
    position: relative;
    display: block;
    min-width: 0;
    margin: 0;
    cursor: pointer;
}

.vat-mode-item input {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.vat-mode-item span {
    position: relative;
    display: block;
    min-height: 88px;
    padding: 15px 44px 15px 16px;
    border: 1px solid var(--vat-border);
    border-radius: 12px;
    background-color: var(--vat-page-soft);
    color: var(--vat-text);
    transition: border-color .2s ease, background-color .2s ease, color .2s ease, box-shadow .2s ease, transform .15s ease;
}

.vat-mode-item span::after {
    content: "";
    position: absolute;
    top: 16px;
    right: 16px;
    width: 18px;
    height: 18px;
    border: 2px solid #cfd6dd;
    border-radius: 50%;
    background-color: #fff;
    transition: border-color .2s ease, background-color .2s ease, box-shadow .2s ease;
}

.vat-mode-item:hover span {
    border-color: rgba(255, 72, 91, .38);
    background-color: rgba(255, 72, 91, .05);
    transform: translateY(-1px);
}

.vat-mode-item strong {
    display: block;
    color: var(--vat-text);
    font-size: 15px;
    font-weight: 900;
    line-height: 1.35;
}

.vat-mode-item small {
    display: block;
    margin-top: 6px;
    color: var(--vat-muted);
    font-size: 13px;
    line-height: 1.45;
}

.vat-mode-item input:checked + span {
    border-color: rgba(255, 72, 91, .42);
    background-color: var(--vat-accent-soft);
}

.vat-mode-item input:checked + span::after {
    border-color: var(--vat-accent);
    background-color: var(--vat-accent);
    box-shadow: inset 0 0 0 4px #fff;
}

.vat-card .mb-3,
.vat-field {
    margin-bottom: 16px;
}

.vat-card .form-label,
.vat-field .form-label {
    display: block;
    margin: 0 0 7px;
    color: var(--vat-muted);
    font-size: .86em;
    font-weight: 900;
    line-height: 1.35;
    text-transform: uppercase;
}

.vat-card input,
.vat-card select,
.vat-card textarea,
.vat-card .form-control,
.vat-card .form-select,
.vat-field input,
.vat-field select,
.vat-field textarea {
    display: block;
    width: 100%;
    min-width: 0;
    height: 46px;
    border: 1px solid var(--vat-border);
    border-radius: 8px;
    padding: 0 14px;
    background-color: #fff;
    color: #273340;
    font-family: inherit;
    font-size: 15px;
    font-weight: 600;
    line-height: 46px;
    box-shadow: none;
    transition: border-color .2s ease, box-shadow .2s ease, background-color .2s ease;
}

.vat-card textarea,
.vat-field textarea {
    min-height: 96px;
    padding-top: 12px;
    padding-bottom: 12px;
    line-height: 1.5;
    resize: vertical;
}

.vat-card input:hover,
.vat-card select:hover,
.vat-card textarea:hover,
.vat-card .form-control:hover,
.vat-card .form-select:hover,
.vat-field input:hover,
.vat-field select:hover,
.vat-field textarea:hover {
    border-color: #cfd6dd;
}

.vat-card input:focus,
.vat-card select:focus,
.vat-card textarea:focus,
.vat-card .form-control:focus,
.vat-card .form-select:focus,
.vat-field input:focus,
.vat-field select:focus,
.vat-field textarea:focus {
    outline: none;
    border-color: rgba(255, 72, 91, .5);
    background-color: #fff;
    box-shadow: 0 0 0 3px rgba(255, 72, 91, .12);
}

.vat-card input::placeholder,
.vat-card textarea::placeholder,
.vat-card .form-control::placeholder,
.vat-field input::placeholder,
.vat-field textarea::placeholder {
    color: #a2a8ae;
    font-weight: 500;
}

.vat-card input[type="number"],
.vat-field input[type="number"] {
    appearance: textfield;
    -moz-appearance: textfield;
}

.vat-card input[type="number"]::-webkit-outer-spin-button,
.vat-card input[type="number"]::-webkit-inner-spin-button,
.vat-field input[type="number"]::-webkit-outer-spin-button,
.vat-field input[type="number"]::-webkit-inner-spin-button {
    margin: 0;
    -webkit-appearance: none;
}

.vat-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 20px;
}

.vat-card .btn,
.vat-actions .btn,
.vat-actions button,
.vat-link-row .btn,
.vat-link-row button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 44px;
    padding: 0 18px;
    border: 1px solid var(--vat-accent);
    border-radius: 8px;
    background-color: var(--vat-accent);
    color: #fff;
    font-family: inherit;
    font-size: 14px;
    font-weight: 900;
    line-height: 1;
    text-align: center;
    text-decoration: none;
    cursor: pointer;
    box-shadow: none;
    transition: background-color .2s ease, border-color .2s ease, color .2s ease, box-shadow .2s ease, transform .15s ease;
}

.vat-card .btn:hover,
.vat-actions .btn:hover,
.vat-actions button:hover,
.vat-link-row .btn:hover,
.vat-link-row button:hover {
    border-color: var(--vat-accent-dark);
    background-color: var(--vat-accent-dark);
    color: #fff;
    text-decoration: none;
}

.vat-card .btn:active,
.vat-actions .btn:active,
.vat-actions button:active,
.vat-link-row .btn:active,
.vat-link-row button:active {
    transform: translateY(1px);
}

.vat-card .btn:focus,
.vat-actions .btn:focus,
.vat-actions button:focus,
.vat-link-row .btn:focus,
.vat-link-row button:focus {
    outline: none;
}

.vat-card .btn:focus-visible,
.vat-actions .btn:focus-visible,
.vat-actions button:focus-visible,
.vat-link-row .btn:focus-visible,
.vat-link-row button:focus-visible {
    box-shadow: 0 0 0 3px rgba(255, 72, 91, .14);
}

.vat-card .btn-outline-secondary,
.vat-actions .btn-outline-secondary,
.vat-card .btn-secondary,
.vat-actions .btn-secondary,
.vat-actions button[type="reset"] {
    border-color: var(--vat-border);
    background-color: #f4f5f7;
    color: var(--vat-muted);
}

.vat-card .btn-outline-secondary:hover,
.vat-actions .btn-outline-secondary:hover,
.vat-card .btn-secondary:hover,
.vat-actions .btn-secondary:hover,
.vat-actions button[type="reset"]:hover {
    border-color: rgba(255, 72, 91, .42);
    background-color: rgba(255, 72, 91, .08);
    color: var(--vat-accent);
}

.vat-error {
    min-height: 20px;
    margin-top: 14px;
    color: var(--vat-danger);
    font-size: 14px;
    font-weight: 700;
    line-height: 1.45;
}

.vat-error:not(:empty) {
    padding: 12px 14px;
    border: 1px solid rgba(255, 72, 91, .22);
    border-radius: 12px;
    background-color: var(--vat-danger-soft);
}

.vat-result-card {
    position: sticky;
    top: 20px;
    align-self: start;
}

.vat-result-main {
    margin-bottom: 16px;
    padding: 18px;
    border: 1px solid rgba(255, 72, 91, .18);
    border-radius: 12px;
    background-color: var(--vat-accent-soft);
    color: var(--vat-text);
    font-size: 18px;
    font-weight: 900;
    line-height: 1.45;
    word-break: break-word;
}

.vat-result-list {
    overflow: hidden;
    border: 1px solid var(--vat-border);
    border-radius: 12px;
    background-color: #fff;
}

.vat-result-row {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 16px;
    padding: 13px 15px;
    border-bottom: 1px solid var(--vat-border-soft);
}

.vat-result-row:last-child {
    border-bottom: 0;
}

.vat-result-row span {
    min-width: 0;
    color: var(--vat-muted);
    font-size: 14px;
    line-height: 1.45;
}

.vat-result-row strong {
    flex: 0 0 auto;
    max-width: 55%;
    color: #222c38;
    font-size: 15px;
    font-weight: 900;
    line-height: 1.45;
    text-align: right;
    word-break: break-word;
}

.vat-result-row-accent {
    background-color: var(--vat-page-soft);
}

.vat-result-row-accent span,
.vat-result-row-accent strong {
    color: var(--vat-text);
}

.vat-result-row-accent strong {
    color: var(--vat-accent-dark);
    font-size: 17px;
}

.vat-formula {
    margin-top: 16px;
    padding: 15px 16px;
    border: 1px solid var(--vat-border);
    border-radius: 12px;
    background-color: var(--vat-page-soft);
    color: #4f5965;
    font-size: 14px;
    line-height: 1.6;
}

.vat-formula strong,
.vat-formula b {
    color: var(--vat-text);
    font-weight: 900;
}

.vat-link-box {
    margin-top: 18px;
    padding: 16px;
    border: 1px solid var(--vat-border);
    border-radius: 12px;
    background-color: var(--vat-page-soft);
}

.vat-link-title {
    margin: 0 0 10px;
    color: var(--vat-text);
    font-size: 14px;
    font-weight: 900;
    line-height: 1.35;
}

.vat-link-row {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 10px;
    align-items: stretch;
}

.vat-link-row input,
.vat-link-row .form-control {
    display: block;
    width: 100%;
    min-width: 0;
    height: 44px;
    border: 1px solid var(--vat-border);
    border-radius: 8px;
    padding: 0 13px;
    background-color: #fff;
    color: #273340;
    font-family: inherit;
    font-size: 13px;
    font-weight: 600;
    line-height: 44px;
    transition: border-color .2s ease, box-shadow .2s ease;
}

.vat-link-row input:focus,
.vat-link-row .form-control:focus {
    outline: none;
    border-color: rgba(255, 72, 91, .5);
    box-shadow: 0 0 0 3px rgba(255, 72, 91, .12);
}

.vat-copy-status,
.js-vat-copy-status {
    min-height: 20px;
    margin-top: 9px;
    color: var(--vat-muted);
    font-size: 13px;
    font-weight: 700;
    line-height: 1.45;
}

.vat-copy-status:empty,
.js-vat-copy-status:empty {
    display: none;
}

.vat-copy-status.is-success,
.js-vat-copy-status.is-success {
    color: var(--vat-accent-dark);
}

.vat-copy-status.is-error,
.js-vat-copy-status.is-error {
    color: var(--vat-danger);
}

@media (max-width: 991px) {
    .vat-layout {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .vat-result-card {
        position: static;
    }
}

@media (max-width: 767px) {
    .vat-calculator {
        max-width: 100%;
    }

    .vat-card {
        padding: 20px;
        border-radius: 12px;
    }

    .vat-card-title {
        margin-bottom: 16px;
        font-size: 1.08em;
    }

    .vat-mode-grid {
        gap: 10px;
    }

    .vat-result-main {
        font-size: 17px;
    }
}

@media (max-width: 575px) {
    .vat-card {
        padding: 16px;
    }

    .vat-card-title {
        font-size: 1.06em;
    }

    .vat-mode-grid {
        grid-template-columns: 1fr;
        margin-bottom: 18px;
    }

    .vat-mode-item span {
        min-height: auto;
        padding: 14px 42px 14px 15px;
        border-radius: 12px;
    }

    .vat-mode-item strong {
        font-size: 15px;
    }

    .vat-mode-item small {
        font-size: 12px;
    }

    .vat-card .form-label,
    .vat-field .form-label {
        font-size: .84em;
    }

    .vat-card input,
    .vat-card select,
    .vat-card textarea,
    .vat-card .form-control,
    .vat-card .form-select,
    .vat-field input,
    .vat-field select,
    .vat-field textarea {
        height: 44px;
        border-radius: 7px;
        padding: 0 12px;
        font-size: 14px;
        line-height: 44px;
    }

    .vat-actions {
        flex-direction: column;
    }

    .vat-card .btn,
    .vat-actions .btn,
    .vat-actions button,
    .vat-link-row .btn,
    .vat-link-row button {
        width: 100%;
        min-height: 44px;
        border-radius: 7px;
        font-size: 14px;
    }

    .vat-result-main {
        padding: 16px;
        border-radius: 12px;
        font-size: 16px;
    }

    .vat-result-row {
        flex-direction: column;
        gap: 4px;
        padding: 12px 14px;
    }

    .vat-result-row strong {
        max-width: 100%;
        text-align: left;
    }

    .vat-result-row-accent strong {
        font-size: 16px;
    }

    .vat-formula {
        padding: 14px;
        font-size: 13px;
    }

    .vat-link-box {
        padding: 15px;
        border-radius: 12px;
    }

    .vat-link-row {
        grid-template-columns: 1fr;
    }

    .vat-link-row input,
    .vat-link-row .form-control {
        height: 42px;
        border-radius: 7px;
        font-size: 12px;
        line-height: 42px;
    }
}

@media (max-width: 380px) {
    .vat-card {
        padding: 14px;
    }
}