.calculator {
    padding: 48px 0 72px;
}

.calculator__layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 380px;
    gap: 48px;
    align-items: start;
}

/* ===== Заголовки блоков ===== */

.calculator__heading {
    display: flex;
    align-items: center;
    gap: 24px;
    margin: 0 0 24px;
}
.calculator__heading h2,
.calculator__heading h3 {
    margin: 0;
    font-size: 22px;
    font-weight: 800;
    color: var(--color-primary);
    white-space: nowrap;
}
.calculator__heading--group {
    margin-top: 40px;
}
.calculator__heading--group h3 {
    font-size: 18px;
}
.calculator__heading-rule {
    flex: 1;
    height: 2px;
    background: var(--color-primary);
    opacity: 0.5;
}

/* ===== Список моделей ===== */

.calculator__models {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 4px 40px;
}

.calculator__model {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 14px 10px;
    border: 1px solid transparent;
    border-radius: 6px;
    background: none;
    text-align: left;
    cursor: pointer;
    font-family: var(--font-sans);
}
.calculator__model:hover {
    background: #f7f9fa;
}
.calculator__model.is-active {
    background: rgba(47, 147, 198, 0.08);
    border-color: rgba(47, 147, 198, 0.3);
}

.calculator__model-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 64px;
    height: 44px;
    flex-shrink: 0;
}
.calculator__model-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.calculator__model-info {
    display: flex;
    flex-direction: column;
    gap: 4px;
}
.calculator__model-title {
    font-size: 15px;
    font-weight: 700;
    color: var(--color-text);
}
.calculator__model-size {
    font-size: 13px;
    color: var(--color-text-muted);
}

.calculator__tagline {
    margin: 40px 0 0;
    text-align: center;
    font-size: 22px;
    font-weight: 800;
    color: var(--color-primary-dark);
}

/* ===== Группы опций ===== */

.calculator__groups[hidden] {
    display: none;
}

.calculator__options {
    display: flex;
    flex-direction: column;
}

.calculator__option {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 12px 0;
    border-bottom: 1px solid var(--color-border);
    cursor: pointer;
}
.calculator__option:last-child {
    border-bottom: none;
}

.calculator__option-input {
    position: absolute;
    opacity: 0;
    width: 1px;
    height: 1px;
}

.calculator__option-switch {
    position: relative;
    flex-shrink: 0;
    width: 44px;
    height: 24px;
    border-radius: 999px;
    background: #e5e7eb;
    transition: background 0.2s ease;
}
.calculator__option-switch::before {
    content: '';
    position: absolute;
    top: 3px;
    left: 3px;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: #fff;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.25);
    transition: transform 0.2s ease;
}
.calculator__option-input:checked + .calculator__option-switch {
    background: var(--color-primary);
}
.calculator__option-input:checked + .calculator__option-switch::before {
    transform: translateX(20px);
}
.calculator__option-input:focus-visible + .calculator__option-switch {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

.calculator__option-text {
    flex: 1 1 auto;
    display: flex;
    flex-direction: column;
    gap: 4px;
    min-width: 0;
}
.calculator__option-label {
    font-size: 14px;
    font-weight: 600;
    color: var(--color-text);
}
.calculator__option-desc {
    font-size: 12px;
    color: var(--color-text-muted);
}

.calculator__option-price {
    flex-shrink: 0;
    font-size: 15px;
    font-weight: 700;
    color: var(--color-text);
    white-space: nowrap;
}

/* ===== Сайдбар ===== */

.calculator__sidebar {
    position: sticky;
    top: 20px;
}

.calculator__toolbar {
    display: none;
    gap: 10px;
    margin-bottom: 16px;
}
.calculator__sidebar.has-model .calculator__toolbar {
    display: flex;
}

.calculator__toolbar-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 7px 14px;
    border: none;
    border-radius: 6px;
    background: #374151;
    color: #fff;
    font-family: var(--font-sans);
    font-size: 12px;
    font-weight: 700;
    text-transform: lowercase;
    cursor: pointer;
}
.calculator__toolbar-btn svg {
    width: 14px;
    height: 14px;
}
.calculator__toolbar-btn:hover {
    background: #1f2937;
}
.calculator__toolbar-btn--reset {
    background: #dc2626;
}
.calculator__toolbar-btn--reset:hover {
    background: #b91c1c;
}

.calculator__schema {
    display: none;
    align-items: center;
    margin-bottom: 20px;
}
.calculator__sidebar.has-model .calculator__schema {
    display: flex;
    flex-wrap: wrap;
}

.calculator__schema-label {
    flex-shrink: 0;
    color: var(--color-text);
    font-size: 13px;
    font-weight: 700;
}
.calculator__schema-label[hidden] {
    display: none;
}
.calculator__schema-label--top {
    width: 100%;
    text-align: center;
    margin-bottom: 8px;
}
.calculator__schema-label--side {
    writing-mode: vertical-rl;
    transform: rotate(180deg);
    margin-left: 8px;
}

.calculator__schema-frame {
    position: relative;
    flex: 1 1 auto;
    aspect-ratio: 16 / 10;
    border: 2px solid var(--color-primary);
    border-radius: 4px;
    overflow: hidden;
    background: #f2f4f6;
}

.calculator__schema-base,
.calculator__schema-layer {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: contain;
}
.calculator__schema-base[hidden] {
    display: none;
}

.calculator__price-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 10px;
}

.calculator__qty {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    color: var(--color-text);
    font-weight: 600;
}
.calculator__qty input {
    width: 64px;
    padding: 8px 10px;
    border: 1px solid var(--color-border);
    border-radius: 6px;
    font-family: var(--font-sans);
    font-size: 14px;
}

.calculator__total {
    font-size: 26px;
    font-weight: 800;
    color: var(--color-text);
}

.calculator__price-note {
    margin: 0 0 24px;
    font-size: 12px;
    line-height: 1.5;
    color: var(--color-text-muted);
}

/* ===== Форма ===== */

.calculator__form form {
    display: block;
}
.calculator__form p {
    margin: 0 0 14px;
}
.calculator__form .wpcf7-form-control-wrap[data-name="order-summary"] {
    display: none;
}

.calculator__form .wpcf7-form-control-wrap {
    display: block;
    position: relative;
    padding-left: 28px;
}
.calculator__form .wpcf7-form-control-wrap::before {
    content: '';
    position: absolute;
    left: 0;
    top: 12px;
    width: 18px;
    height: 18px;
    background-repeat: no-repeat;
    background-size: contain;
    opacity: 0.65;
}
.calculator__form .wpcf7-form-control-wrap[data-name="your-name"]::before {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%232f93c6' stroke-width='2'%3E%3Ccircle cx='12' cy='8' r='4'/%3E%3Cpath d='M4 21c0-4.4 3.6-8 8-8s8 3.6 8 8'/%3E%3C/svg%3E");
}
.calculator__form .wpcf7-form-control-wrap[data-name="your-phone"]::before {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%232f93c6' stroke-width='2'%3E%3Crect x='7' y='2' width='10' height='20' rx='2'/%3E%3Cline x1='11' y1='18' x2='13' y2='18'/%3E%3C/svg%3E");
}
.calculator__form .wpcf7-form-control-wrap[data-name="your-message"]::before {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%232f93c6' stroke-width='2'%3E%3Cpath d='M21 15a2 2 0 0 1-2 2H7l-4 4V5a2 2 0 0 1 2-2h14a2 2 0 0 1 2 2z'/%3E%3C/svg%3E");
}

.calculator__form input[type="text"],
.calculator__form input[type="tel"],
.calculator__form input[type="email"],
.calculator__form textarea {
    width: 100%;
    background: #f7f8f9;
    border: none;
    border-radius: 8px;
    color: var(--color-text);
    font-family: var(--font-sans);
    font-size: 14px;
    font-weight: 600;
    padding: 12px 14px 12px 28px;
    resize: none;
}
.calculator__form input::placeholder,
.calculator__form textarea::placeholder {
    color: var(--color-text-muted);
    font-weight: 600;
}
.calculator__form input:focus,
.calculator__form textarea:focus {
    outline: 1px solid var(--color-primary);
}
.calculator__form textarea {
    min-height: 90px;
}

.calculator__form input[type="submit"] {
    display: inline-flex;
    align-items: center;
    padding: 13px 34px;
    border: none;
    border-radius: 999px;
    background: var(--color-accent);
    color: #1f2937;
    font-family: var(--font-sans);
    font-weight: 800;
    font-size: 14px;
    cursor: pointer;
    transition: background 0.2s ease;
}
.calculator__form input[type="submit"]:hover {
    background: var(--color-accent-dark);
}

.calculator__form .wpcf7-spinner {
    margin-left: 12px;
}
.calculator__form .wpcf7-not-valid-tip {
    color: #d1453b;
    font-size: 12px;
    margin-top: 4px;
}
.calculator__form .wpcf7-response-output {
    margin-top: 12px;
    font-size: 12px;
}

.calculator__privacy {
    margin: 4px 0 0;
    font-size: 12px;
    line-height: 1.6;
    color: var(--color-text-muted);
}
.calculator__privacy a {
    color: var(--color-primary);
    text-decoration: underline dashed;
}

/* ===== Печать ===== */

.calc-print {
    display: none;
}

@media print {
    body * {
        visibility: hidden;
    }
    .calc-print,
    .calc-print * {
        visibility: visible;
    }
    .calc-print {
        display: block;
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        padding: 24px;
        font-family: var(--font-sans);
        color: #000;
    }
    .calc-print h2 {
        margin: 0 0 6px;
        font-size: 22px;
    }
    .calc-print ul {
        margin: 12px 0;
        padding-left: 20px;
    }
    .calc-print li {
        margin-bottom: 6px;
    }
    .calc-print .calc-print-total {
        margin-top: 16px;
        font-size: 18px;
        font-weight: 800;
    }
}

/* ===== Адаптив ===== */

@media (max-width: 1199px) {
    .calculator__layout {
        grid-template-columns: 1fr;
    }
    .calculator__sidebar {
        position: static;
        max-width: 480px;
    }
}

@media (max-width: 640px) {
    .calculator__models {
        grid-template-columns: 1fr;
    }
    .calculator__heading h2,
    .calculator__heading h3 {
        font-size: 18px;
    }
}