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

.brick-calculator {
    --brick-accent: var(--color-accent, #ff485b);
    --brick-accent-dark: var(--color-accent-dark, #e73b50);
    --brick-accent-soft: rgba(255, 72, 91, .07);
    --brick-border: #dfe3e7;
    --brick-border-soft: #eceded;
    --brick-text: #2f3b46;
    --brick-muted: #667482;
    --brick-page-soft: #f8f9fb;
    --brick-danger: var(--color-accent-dark, #e73b50);
    --brick-danger-soft: rgba(255, 72, 91, .08);
    --brick-success: #26835b;
    --brick-success-soft: rgba(38, 131, 91, .08);
    --brick-warning: #9a6a00;
    --brick-warning-soft: rgba(154, 106, 0, .09);

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

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

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

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

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

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

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

.brick-mode-button {
    position: relative;
    display: block;
    width: 100%;
    min-width: 0;
    min-height: 92px;
    padding: 15px 44px 15px 16px;
    border: 1px solid var(--brick-border);
    border-radius: 12px;
    background-color: var(--brick-page-soft);
    color: var(--brick-text);
    font-family: inherit;
    text-align: left;
    cursor: pointer;
    transition: border-color .2s ease, background-color .2s ease, color .2s ease, box-shadow .2s ease, transform .15s ease;
}

.brick-mode-button::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;
}

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

.brick-mode-button:focus {
    outline: none;
}

.brick-mode-button:focus-visible {
    box-shadow: 0 0 0 3px rgba(255, 72, 91, .14);
}

.brick-mode-button.is-active {
    border-color: rgba(255, 72, 91, .42);
    background-color: var(--brick-accent-soft);
}

.brick-mode-button.is-active::after {
    border-color: var(--brick-accent);
    background-color: var(--brick-accent);
    box-shadow: inset 0 0 0 4px #fff;
}

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

.brick-mode-button small {
    display: block;
    margin-top: 6px;
    color: var(--brick-muted);
    font-size: 13px;
    font-weight: 500;
    line-height: 1.45;
}

.brick-panel {
    display: none;
}

.brick-panel.is-active {
    display: block;
}

.brick-section-title {
    margin: 20px 0 14px;
    padding-top: 18px;
    border-top: 1px solid var(--brick-border-soft);
    color: var(--brick-text);
    font-size: 1em;
    font-weight: 900;
    line-height: 1.35;
}

.brick-panel .brick-section-title:first-child {
    margin-top: 0;
    padding-top: 0;
    border-top: 0;
}

.brick-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
}

.brick-field {
    min-width: 0;
}

.brick-field--wide {
    grid-column: 1 / -1;
}

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

.brick-card input,
.brick-card select,
.brick-card textarea,
.brick-card .form-control,
.brick-field input,
.brick-field select,
.brick-field textarea {
    display: block;
    width: 100%;
    min-width: 0;
    height: 46px;
    border: 1px solid var(--brick-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;
}

.brick-card select,
.brick-field select {
    cursor: pointer;
}

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

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

.brick-card input:focus,
.brick-card select:focus,
.brick-card textarea:focus,
.brick-card .form-control:focus,
.brick-field input:focus,
.brick-field select:focus,
.brick-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);
}

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

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

.brick-card .btn,
.brick-actions .btn,
.brick-actions button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 44px;
    padding: 0 18px;
    border: 1px solid var(--brick-accent);
    border-radius: 8px;
    background-color: var(--brick-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;
}

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

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

.brick-card .btn:focus,
.brick-actions .btn:focus,
.brick-actions button:focus {
    outline: none;
}

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

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

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

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

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

.brick-result {
    min-height: 120px;
    padding: 18px;
    border: 1px solid rgba(255, 72, 91, .18);
    border-radius: 12px;
    background-color: var(--brick-accent-soft);
    color: var(--brick-text);
    font-size: 15px;
    font-weight: 700;
    line-height: 1.55;
    word-break: break-word;
}

.brick-result div {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 16px;
    padding: 10px 0;
    border-bottom: 1px solid rgba(223, 227, 231, .85);
}

.brick-result div:first-child {
    padding-top: 0;
}

.brick-result div:last-child {
    padding-bottom: 0;
    border-bottom: 0;
}

.brick-result span {
    min-width: 0;
    color: var(--brick-muted);
    font-size: 14px;
    font-weight: 700;
    line-height: 1.45;
}

.brick-result 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;
}

.brick-result.is-success {
    border-color: rgba(38, 131, 91, .22);
    background-color: var(--brick-success-soft);
}

.brick-result.is-success strong {
    color: var(--brick-success);
}

.brick-result.is-success div:last-child:not(:first-child) {
    display: block;
    color: #4f5965;
    font-size: 13px;
    font-weight: 600;
    line-height: 1.55;
}

.brick-result.is-warning {
    border-color: rgba(154, 106, 0, .24);
    background-color: var(--brick-warning-soft);
}

.brick-result.is-warning strong {
    color: var(--brick-warning);
}

.brick-result.is-error {
    min-height: auto;
    border-color: rgba(255, 72, 91, .22);
    background-color: var(--brick-danger-soft);
    color: var(--brick-danger);
}

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

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

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

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

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

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

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

    .brick-mode-grid {
        grid-template-columns: 1fr;
        gap: 10px;
    }

    .brick-mode-button {
        min-height: auto;
        padding: 14px 42px 14px 15px;
        border-radius: 12px;
    }

    .brick-grid {
        gap: 14px;
    }

    .brick-result {
        min-height: auto;
    }
}

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

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

    .brick-grid {
        grid-template-columns: 1fr;
        gap: 14px;
    }

    .brick-field--wide {
        grid-column: auto;
    }

    .brick-section-title {
        margin-top: 18px;
        padding-top: 16px;
        font-size: .98em;
    }

    .brick-panel .brick-section-title:first-child {
        margin-top: 0;
        padding-top: 0;
    }

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

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

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

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

    .brick-hint {
        padding: 13px 14px;
        font-size: 13px;
    }

    .brick-result {
        padding: 16px;
        border-radius: 12px;
        font-size: 14px;
    }

    .brick-result div {
        flex-direction: column;
        gap: 4px;
        padding: 11px 0;
    }

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

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

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