/* =========================
   УНИВЕРСАЛЬНЫЙ КАЛЬКУЛЯТОР
   Версия: 1.0
   Дата: 2025-11-07
   ========================= */

/* =========================
   КРОССБРАУЗЕРНАЯ СОВМЕСТИМОСТЬ
   ========================= */
* {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    -webkit-tap-highlight-color: transparent;
}

/* Предотвращение зума на iOS при фокусе input */
@media screen and (-webkit-min-device-pixel-ratio:0) {
    select,
    textarea,
    input {
        font-size: 16px !important;
    }
}

@supports (-webkit-touch-callout: none) {
    input,
    select,
    textarea {
        font-size: 16px !important;
    }
}

/* Улучшение производительности скролла на iOS */
.landing-calculator__summary,
.calc-summary__extras,
.calc-mobile-sticky {
    -webkit-overflow-scrolling: touch;
}

/* Убираем задержку клика на мобильных */
a, button, input, select, textarea {
    touch-action: manipulation;
}

/* Улучшение производительности анимаций на мобильных */
.calc-modal,
.calc-modal__overlay,
.calc-modal__content,
.calc-mobile-sticky,
.button {
    will-change: transform;
    -webkit-transform: translateZ(0);
    transform: translateZ(0);
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
}

/* Фикс для мобильных Safari и Android */
input[type="text"],
input[type="tel"],
input[type="number"],
textarea {
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    border-radius: 0;
}

/* Фикс для Android Chrome - предотвращаем зум при фокусе на input */
@media screen and (max-width: 768px) {
    input[type="text"],
    input[type="tel"],
    input[type="number"],
    select,
    textarea {
        font-size: 16px !important;
    }
}

/* Фикс для некорректного отображения flexbox на старых Android */
.landing-calculator__grid,
.calc-fieldset__options,
.calc-summary__value {
    display: -webkit-box;
    display: -webkit-flex;
    display: -ms-flexbox;
    display: flex;
}

/* Фикс для grid на старых браузерах */
.landing-calculator__grid {
    display: -ms-grid;
    display: grid;
}

/* =========================
   ANIMATIONS
   ========================= */
@-webkit-keyframes pulse {
    0%, 100% {
        -webkit-transform: scale(1);
        transform: scale(1);
        box-shadow: 0 8px 24px rgba(var(--color-accent-rgb), 0.35);
    }
    50% {
        -webkit-transform: scale(1.02);
        transform: scale(1.02);
        box-shadow: 0 12px 32px rgba(var(--color-accent-rgb), 0.5);
    }
}

@keyframes pulse {
    0%, 100% {
        -webkit-transform: scale(1);
        transform: scale(1);
        box-shadow: 0 8px 24px rgba(var(--color-accent-rgb), 0.35);
    }
    50% {
        -webkit-transform: scale(1.02);
        transform: scale(1.02);
        box-shadow: 0 12px 32px rgba(var(--color-accent-rgb), 0.5);
    }
}

@-webkit-keyframes fadeInUp {
    from {
        opacity: 0;
        -webkit-transform: translateY(20px);
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        -webkit-transform: translateY(0);
        transform: translateY(0);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        -webkit-transform: translateY(20px);
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        -webkit-transform: translateY(0);
        transform: translateY(0);
    }
}

@-webkit-keyframes float {
    0%, 100% { -webkit-transform: translateY(0px); transform: translateY(0px); }
    50% { -webkit-transform: translateY(-10px); transform: translateY(-10px); }
}

@keyframes float {
    0%, 100% { -webkit-transform: translateY(0px); transform: translateY(0px); }
    50% { -webkit-transform: translateY(-10px); transform: translateY(-10px); }
}

/* =========================
   КАЛЬКУЛЯТОР
   ========================= */
.landing-calculator__grid {
    display: grid;
    gap: 28px;
    align-items: start;
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.95fr);
}

.landing-calculator__form,
.calc-summary {
    padding: 28px;
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: var(--shadow-soft);
}

body[data-theme="light"] .landing-calculator__form,
body[data-theme="light"] .calc-summary {
    background: rgba(246, 248, 252, 0.96);
    border-color: rgba(30, 41, 59, 0.08);
    box-shadow: 0 18px 32px rgba(15, 23, 42, 0.1);
}

.landing-calculator__form {
    display: grid;
    gap: 24px;
}

.calc-fieldset {
    border: none;
    margin: 0;
    padding: 0;
}

.calc-fieldset legend {
    font-weight: 600;
    font-size: 1.05rem;
    margin-bottom: 4px;
    padding: 0;
}

.calc-field {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.calc-field__label {
    font-weight: 500;
    font-size: var(--font-size-base);
    margin-bottom: 12px;
    display: block;
}

.calc-area-inputs {
    display: flex;
    gap: 16px;
    align-items: center;
}

.calc-range {
    flex: 1;
    height: 6px;
    border-radius: 3px;
    background: var(--color-border);
    outline: none;
    -webkit-appearance: none;
}

.calc-range::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--color-primary);
    cursor: pointer;
}

.calc-range::-moz-range-thumb {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--color-primary);
    cursor: pointer;
    border: none;
}

.calc-number {
    width: 100px;
    padding: 10px 16px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--color-bg);
    color: var(--color-text);
    font-size: var(--font-size-base);
    text-align: center;
}

.calc-hint {
    font-size: var(--font-size-sm);
    color: var(--color-muted);
    margin: 0;
}

.calc-urgency {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.calc-radio,
.calc-checkbox {
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: 12px;
    align-items: start;
    padding: 16px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all 0.2s ease;
}

.calc-radio {
    grid-template-columns: auto 1fr;
}

.calc-radio__title {
    grid-column: 2;
}

.calc-radio__info {
    grid-column: 2;
    margin-top: 4px;
}

.calc-radio__price {
    grid-column: 1 / -1;
    justify-self: end;
    margin-top: 8px;
}

.calc-radio input,
.calc-checkbox input {
    margin-top: 2px;
}

.calc-radio__title,
.calc-checkbox__title {
    font-weight: 500;
}

.calc-radio__info {
    font-size: var(--font-size-sm, 0.875rem);
    color: var(--color-muted, #64748b);
    line-height: 1.5;
}

.calc-checkbox__body {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.calc-checkbox__info {
    font-size: var(--font-size-sm);
    color: var(--color-muted);
    line-height: 1.5;
}

.calc-checkbox--discount {
    border-color: var(--color-success);
    background: var(--color-success-light);
}

/* Стили для ползунка количества */
.calc-slider-field {
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding: 20px;
    background: rgba(255, 107, 53, 0.05);
    border-radius: var(--radius-sm);
    border: 1px solid rgba(255, 107, 53, 0.15);
}

body[data-theme="light"] .calc-slider-field {
    background: rgba(255, 107, 53, 0.08);
    border-color: rgba(255, 107, 53, 0.2);
}

.calc-slider-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
}

.calc-quantity-input {
    width: 80px;
    padding: 8px 12px;
    font-size: 16px;
    font-weight: 600;
    text-align: center;
    border: 2px solid var(--color-primary);
    border-radius: var(--radius-sm);
    background: var(--color-background);
    color: var(--color-text);
    transition: all 0.2s ease;
}

.calc-quantity-input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.1);
}

.calc-slider {
    width: 100%;
    height: 8px;
    border-radius: 4px;
    background: linear-gradient(to right, 
        rgba(255, 107, 53, 0.2) 0%, 
        rgba(255, 107, 53, 0.3) 100%);
    outline: none;
    -webkit-appearance: none;
    appearance: none;
    cursor: pointer;
}

.calc-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--color-primary);
    cursor: pointer;
    box-shadow: 0 2px 8px rgba(255, 107, 53, 0.4);
    transition: all 0.2s ease;
}

.calc-slider::-webkit-slider-thumb:hover {
    transform: scale(1.15);
    box-shadow: 0 4px 12px rgba(255, 107, 53, 0.6);
}

.calc-slider::-moz-range-thumb {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--color-primary);
    cursor: pointer;
    border: none;
    box-shadow: 0 2px 8px rgba(255, 107, 53, 0.4);
    transition: all 0.2s ease;
}

.calc-slider::-moz-range-thumb:hover {
    transform: scale(1.15);
    box-shadow: 0 4px 12px rgba(255, 107, 53, 0.6);
}

.calc-slider-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 14px;
    color: var(--color-muted);
}

.calc-slider-hint {
    font-weight: 500;
    color: var(--color-text);
}

[data-discount-hint] {
    color: var(--color-success);
    font-weight: 600;
}

@media (max-width: 768px) {
    .calc-quantity-input {
        width: 70px;
        padding: 6px 10px;
        font-size: 15px;
    }

    .calc-slider-header {
        flex-direction: row;
    }
}

.calc-radio__price,
.calc-checkbox__price {
    font-weight: 600;
    color: var(--color-primary);
    white-space: nowrap;
}

.calc-radio:hover,
.calc-checkbox:hover,
.calc-radio:has(input:checked),
.calc-checkbox:has(input:checked) {
    border-color: var(--color-primary);
    background: rgba(var(--color-accent-rgb), 0.05);
}

.calc-disclaimer {
    font-size: var(--font-size-sm);
    color: var(--color-muted);
    margin-bottom: 12px;
}

/* Summary */
.landing-calculator__summary-wrapper {
    position: relative;
    width: 100%;
    height: 100%;
}

.landing-calculator__summary-spacer {
    width: 100%;
    height: 0;
    pointer-events: none;
    visibility: hidden;
}

.landing-calculator__summary {
    width: 100%;
}

.calc-summary {
    display: grid;
    gap: 20px;
    position: sticky;
    top: 100px;
}

.calc-summary__title {
    margin: 0;
    font-size: 1.35rem;
    font-weight: 600;
}

.calc-summary__base,
.calc-summary__quantity,
.calc-summary__extras {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.calc-summary__label {
    font-size: var(--font-size-sm);
    color: var(--color-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.calc-summary__value {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.calc-summary__list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.calc-summary__list li {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 16px;
    font-size: var(--font-size-sm);
}

.calc-summary__list li span {
    flex: 1;
}

.calc-summary__list li strong {
    flex-shrink: 0;
}

.calc-summary__empty {
    color: var(--color-muted);
    font-style: italic;
}

.calc-summary__discount {
    color: var(--color-success);
}

.calc-summary__discount strong {
    color: var(--color-success);
}

.calc-summary__total {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    font-size: 1.05rem;
}

.calc-summary__total strong {
    font-size: 1.8rem;
    color: var(--color-primary);
}

.calc-summary hr {
    border: none;
    border-top: 1px solid var(--color-border);
    margin: var(--space-md) 0;
}

/* Modal */
.calc-modal {
    position: fixed;
    inset: 0;
    z-index: 9999;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.calc-modal.is-open {
    display: flex;
}

.calc-modal__overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
}

.calc-modal__content {
    position: relative;
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    max-width: 500px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    padding: var(--space-xl);
    border: 1px solid var(--color-border);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

body[data-theme="light"] .calc-modal__content {
    background: #ffffff;
}

.calc-modal__close {
    position: absolute;
    top: 16px;
    right: 16px;
    background: none;
    border: none;
    font-size: 32px;
    line-height: 1;
    cursor: pointer;
    color: var(--color-text);
    opacity: 0.5;
    transition: opacity 0.2s ease;
    padding: 0;
    width: 32px;
    height: 32px;
}

.calc-modal__close:hover {
    opacity: 1;
}

.calc-modal__header {
    margin-bottom: var(--space-lg);
}

.calc-modal__title {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    margin: 0 0 8px 0;
}

.calc-modal__subtitle {
    color: var(--color-muted);
    margin: 0;
}

.calc-modal__summary {
    background: rgba(var(--color-accent-rgb), 0.05);
    border: 1px solid var(--color-primary);
    border-radius: var(--radius-md);
    padding: var(--space-md);
    margin-bottom: var(--space-lg);
}

.calc-modal__summary-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 0;
}

.calc-modal__summary-item:not(:last-child) {
    border-bottom: 1px solid var(--color-border);
}

.calc-modal__summary-total {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-primary);
}

.calc-modal__label {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 16px;
}

.calc-modal__label-text {
    font-weight: 500;
}

.calc-modal__input {
    padding: 12px 16px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--color-bg);
    color: var(--color-text);
    font-size: var(--font-size-base);
}

.calc-modal__input:focus {
    outline: none;
    border-color: var(--color-primary);
}

.calc-modal__submit {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.calc-modal__status {
    text-align: center;
    font-size: var(--font-size-sm);
    min-height: 20px;
}

.calc-modal__note {
    text-align: center;
    font-size: var(--font-size-xs);
    color: var(--color-muted);
    margin: 16px 0 0 0;
}

.calc-modal__note a {
    color: var(--color-primary);
    text-decoration: none;
}

.calc-modal__note a:hover {
    text-decoration: underline;
}

/* Mobile Sticky Panel */
.calc-mobile-sticky {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: var(--color-surface);
    border-top: 1px solid var(--color-border);
    box-shadow: 0 -4px 16px rgba(0, 0, 0, 0.1);
    padding: 16px;
}

body[data-theme="light"] .calc-mobile-sticky {
    background: #ffffff;
}

.calc-mobile-sticky__content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    max-width: 1200px;
    margin: 0 auto;
}

.calc-mobile-sticky__price {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.calc-mobile-sticky__label {
    font-size: 12px;
    color: var(--color-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.calc-mobile-sticky__amount {
    font-size: 24px;
    font-weight: 700;
    color: var(--color-primary);
}

.calc-mobile-sticky__button {
    flex-shrink: 0;
    padding: 12px 24px;
    background: var(--color-primary);
    color: white;
    border: none;
    border-radius: var(--radius-sm);
    font-weight: 600;
    cursor: pointer;
    white-space: nowrap;
}

.calc-mobile-sticky__button:hover {
    background: var(--color-primary-dark);
}

@media (max-width: 1024px) {
    .landing-calculator__grid {
        grid-template-columns: 1fr;
    }

    .landing-calculator__form,
    .calc-summary {
        padding: 24px;
    }

    .calc-summary__total strong {
        font-size: 28px;
    }

    .calc-mobile-sticky {
        display: block;
    }

    .landing-calculator__form {
        padding-bottom: 80px;
    }

    .landing-calculator__summary {
        position: relative;
        top: 0;
    }
}

@media (max-width: 768px) {
    .calc-modal__content {
        padding: 24px;
    }

    .calc-modal__title {
        font-size: var(--font-size-2xl);
    }

    .calc-area-inputs {
        flex-direction: column;
        align-items: stretch;
    }

    .calc-number {
        width: 100%;
    }
}

/* =========================
   СТИЛИ ДЛЯ ВЫБОРА ТИПА ОБЪЕКТА
   ========================= */
.calc-object-types {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 16px;
    margin-top: 16px;
}

.calc-object-type {
    position: relative;
    cursor: pointer;
}

.calc-object-type input[type="radio"] {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.calc-object-type__content {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 20px 16px;
    border: 2px solid var(--color-border, #e2e8f0);
    border-radius: 12px;
    background: var(--color-bg-secondary, #ffffff);
    transition: all 0.2s ease;
    text-align: center;
}

.calc-object-type__icon {
    font-size: 2.5rem;
    line-height: 1;
}

.calc-object-type__title {
    font-weight: 500;
    font-size: 0.95rem;
    color: var(--color-text, #1e293b);
}

.calc-object-type:hover .calc-object-type__content {
    border-color: var(--color-primary, #0f8ea4);
    background: rgba(var(--color-accent-rgb), 0.05);
    transform: translateY(-2px);
}

.calc-object-type input[type="radio"]:checked + .calc-object-type__content {
    border-color: var(--color-primary, #0f8ea4);
    background: rgba(var(--color-accent-rgb), 0.1);
    box-shadow: 0 0 0 3px rgba(var(--color-accent-rgb), 0.1);
}

/* Брендовая палитра PMK (логотип) */
:root {
    --color-primary: var(--color-accent, #0f8ea4);
    --color-primary-dark: #0b6f80;
    --color-primary-rgb: 15, 142, 164;
}

.calc-slider-field {
    background: rgba(var(--color-primary-rgb), 0.1);
    border-color: rgba(var(--color-primary-rgb), 0.24);
}

body[data-theme="light"] .calc-slider-field {
    background: rgba(var(--color-primary-rgb), 0.14);
    border-color: rgba(var(--color-primary-rgb), 0.3);
}

.calc-quantity-input:focus {
    box-shadow: 0 0 0 3px rgba(var(--color-primary-rgb), 0.2);
}

.calc-slider {
    background: linear-gradient(to right,
        rgba(var(--color-primary-rgb), 0.2) 0%,
        rgba(var(--color-primary-rgb), 0.34) 100%);
}

.calc-slider::-webkit-slider-thumb,
.calc-slider::-moz-range-thumb {
    box-shadow: 0 2px 8px rgba(var(--color-primary-rgb), 0.4);
}

.calc-slider::-webkit-slider-thumb:hover,
.calc-slider::-moz-range-thumb:hover {
    box-shadow: 0 4px 12px rgba(var(--color-primary-rgb), 0.6);
}

.calc-radio:hover,
.calc-checkbox:hover,
.calc-radio:has(input:checked),
.calc-checkbox:has(input:checked) {
    background: rgba(var(--color-primary-rgb), 0.08);
}

.calc-modal__summary {
    background: rgba(var(--color-primary-rgb), 0.08);
}

.calc-object-type:hover .calc-object-type__content {
    background: rgba(var(--color-primary-rgb), 0.08);
}

.calc-object-type input[type="radio"]:checked + .calc-object-type__content {
    background: rgba(var(--color-primary-rgb), 0.14);
    box-shadow: 0 0 0 3px rgba(var(--color-primary-rgb), 0.22);
}

/* Финальный выравниватель палитры калькулятора */
.calc-radio:hover,
.calc-checkbox:hover,
.calc-radio:has(input:checked),
.calc-checkbox:has(input:checked),
.calc-modal__summary,
.calc-slider-field {
    background: rgba(var(--color-primary-rgb), 0.1);
}

.calc-slider-field,
.calc-modal__summary,
.calc-object-type__content,
.calc-object-type:hover .calc-object-type__content,
.calc-object-type input[type="radio"]:checked + .calc-object-type__content {
    border-color: rgba(var(--color-primary-rgb), 0.3);
}

@media (max-width: 768px) {
    .calc-object-types {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }
    
    .calc-object-type__content {
        padding: 16px 12px;
    }
    
    .calc-object-type__icon {
        font-size: 2rem;
    }
    
    .calc-object-type__title {
        font-size: 0.875rem;
    }
}