/* =====================================================================
🔹 ЯКОРЯ: отступ под фиксированную шапку
===================================================================== */
#calculator {
    scroll-margin-top: 100px;
}
/* =====================================================================
   🌍 ГЛОБАЛЬНЫЕ НАСТРОЙКИ
   ===================================================================== */

* {
    box-sizing: border-box;
}

html, body {
    overflow-x: hidden;
    width: 100%;
    margin: 0;
    padding: 0;
}

/* =====================================================================
   🧮 ОБЁРТКА КАЛЬКУЛЯТОРА
   ===================================================================== */

.calculator-wrapper {
    max-width: 900px;
    margin: 0 auto;
    background: rgba(255, 255, 255, 0.95);
    border-radius: var(--radius);
    box-shadow: var(--shadow-soft);
    border: 1px solid rgba(250, 103, 0, 0.15);
    overflow: hidden;
    width: 100%;
}

/* =====================================================================
   📊 ШАПКА КАЛЬКУЛЯТОРА
   ===================================================================== */

.calculator-header {
    background: linear-gradient(3deg, rgba(255, 105, 0, 0.23), rgba(255, 72, 0, 0.05));
    color: #ffffff;
    padding: 25px 30px;
    text-align: center;
}

.calculator-header h3 {
    margin: 0;
    font-size: 1.5rem;
    font-weight: 700;
}

.calculator-header p {
    margin: 8px 0 0;
    opacity: 0.95;
    font-size: 0.95rem;
}

/* =====================================================================
   📦 ТЕЛО КАЛЬКУЛЯТОРА
   ===================================================================== */

.calculator-body {
    padding: 30px;
    width: 100%;
    overflow-x: hidden;
    max-width: 100%;
}

.calc-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 25px;
    width: 100%;
    min-width: 0;
    max-width: 100%;
}

.calc-field {
    display: flex;
    flex-direction: column;
    gap: 8px;
    min-width: 0;
    width: 100%;
    max-width: 100%;
}

.calc-field label {
    font-weight: 600;
    color: var(--text-main);
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    gap: 6px;
    flex-wrap: wrap;
}

.calc-field label svg {
    width: 18px;
    height: 18px;
    stroke: var(--accent);
    flex-shrink: 0;
}

.calc-field input,
.calc-field select {
    padding: 12px 16px;
    border: 2px solid var(--glass-border);
    border-radius: var(--radius-sm);
    font-size: 1rem;
    background: #fff;
    color: var(--text-main);
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
    text-align: left;
    width: 100%;
    max-width: 100%;
    min-width: 0;
}

.calc-field input:focus,
.calc-field select:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 4px rgba(249, 115, 22, 0.15);
}

/* =====================================================================
   📏 ПОЛЗУНОК ТОЛЩИНЫ — 🔧 ПОЛНОЕ ИСПРАВЛЕНИЕ
   ===================================================================== */

.thickness-control {
    grid-column: 1 / -1;
    width: 100%;
    min-width: 0;
}

.thickness-slider {
    display: flex;
    align-items: center;
    gap: 15px;
    width: 100%;
    min-width: 0;
}

/* 🔧 DESKTOP — ПОЛЗУНОК (TRACK) */
.thickness-slider input[type="range"] {
    flex: 1;
    height: 17px;
    padding: 0 !important;
    margin: 0 !important;
    border: none !important;
    border-radius: 2px;
    background: linear-gradient(90deg, var(--accent), var(--accent-hover));
    outline: none;
    -webkit-appearance: none !important;
    -moz-appearance: none !important;
    appearance: none !important;
    min-width: 0;
    width: 100%;
    overflow: visible !important;
}

/* 🔧 DESKTOP — ПОЛЗУНОК WEBKIT (Chrome, Safari, Edge) */
.thickness-slider input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none !important;
    appearance: none !important;
    width: 15px;
    height: 15px;
    border-radius: 50%;
    background: #fff;
    border: 2px solid var(--accent);
    cursor: pointer;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
    transition: transform 0.2s ease;
    margin-top: 0;
}

.thickness-slider input[type="range"]::-webkit-slider-thumb:hover {
    transform: scale(1.1);
}

/* 🔧 DESKTOP — ПОЛЗУНОК WEBKIT TRACK */
.thickness-slider input[type="range"]::-webkit-slider-runnable-track {
    height: 15px !important;
    border-radius: 2px;
    background: linear-gradient(90deg, var(--accent), var(--accent-hover));
    border: none !important;
    padding: 0 !important;
    margin: 0 !important;
}

/* 🔧 DESKTOP — ПОЛЗУНОК FIREFOX */
.thickness-slider input[type="range"]::-moz-range-thumb {
    width: 15px;
    height: 15px;
    border-radius: 50%;
    background: #fff;
    border: 2px solid var(--accent);
    cursor: pointer;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.thickness-slider input[type="range"]::-moz-range-track {
    height: 15px !important;
    border-radius: 2px;
    background: linear-gradient(90deg, var(--accent), var(--accent-hover));
    border: none !important;
    padding: 0 !important;
    margin: 0 !important;
}

.thickness-slider input[type="range"]::-moz-range-progress {
    height: 15px !important;
    border-radius: 2px;
    background: linear-gradient(90deg, var(--accent), var(--accent-hover));
}

.thickness-value {
    min-width: 70px;
    text-align: center;
    font-weight: 700;
    color: var(--accent);
    font-size: 1.1rem;
    background: rgba(249, 115, 22, 0.1);
    padding: 8px 12px;
    border-radius: var(--radius-sm);
    flex-shrink: 0;
}

/* =====================================================================
   ✅ ДОП. ОПЦИИ
   ===================================================================== */

.addons-list {
    grid-column: 1 / -1;
    display: flex;
    flex-direction: column;
    gap: 12px;
    width: 100%;
    min-width: 0;
    max-width: 100%;
}

.addon-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: rgba(249, 115, 22, 0.05);
    border-radius: var(--radius-sm);
    border: 1px solid rgba(249, 115, 22, 0.1);
    cursor: pointer;
    transition: all 0.2s ease;
    width: 100%;
    min-width: 0;
    max-width: 100%;
    flex-wrap: wrap;
}

.addon-item:hover {
    background: rgba(249, 115, 22, 0.1);
    border-color: var(--accent);
}

.addon-item input[type="checkbox"],
.addon-item input[type="radio"] {
    width: 20px;
    height: 20px;
    accent-color: var(--accent);
    cursor: pointer;
    flex-shrink: 0;
}

.addon-item span {
    flex: 1;
    color: var(--text-main);
    font-size: 0.95rem;
    min-width: 0;
    word-break: break-word;
}

.addon-price {
    font-weight: 700;
    color: var(--accent);
    white-space: nowrap;
    text-align: right;
    min-width: 70px;
    margin-left: auto;
    flex-shrink: 0;
    font-size: 0.9rem;
}

/* Для радио-группы с вертикальным расположением */
.addon-item[style*="flex-direction: column"] {
    align-items: flex-start;
}

.addon-item[style*="flex-direction: column"] label {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
}

/* =====================================================================
   💰 РЕЗУЛЬТАТ
   ===================================================================== */

.calc-result {
    grid-column: 1 / -1;
    background: linear-gradient(135deg, rgba(249, 115, 22, 0.1), rgba(249, 115, 22, 0.05));
    border: 2px solid var(--accent);
    border-radius: var(--radius);
    padding: 25px;
    text-align: center;
    margin-top: 10px;
    width: 100%;
    min-width: 0;
    overflow: hidden;
}

.result-label {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.result-value {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--accent);
    line-height: 1;
    margin-bottom: 5px;
    transition: transform 0.15s ease;
    word-break: break-word;
}

.result-note {
    font-size: 0.85rem;
    color: var(--text-secondary);
    opacity: 0.9;
}

/* =====================================================================
   🔘 КНОПКИ ДЕЙСТВИЙ
   ===================================================================== */

.calc-actions {
    grid-column: 1 / -1;
    display: flex;
    gap: 15px;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 10px;
    width: 100%;
}

.btn-calc {
    background: var(--accent);
    color: #fff;
    border: none;
    padding: 14px 32px;
    border-radius: var(--radius-pill);
    font-size: 1.05rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    max-width: 100%;
}

.btn-calc:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(249, 115, 22, 0.4);
}

.btn-outline-calc {
    background: transparent;
    color: var(--accent);
    border: 2px solid var(--accent);
    padding: 14px 32px;
    border-radius: var(--radius-pill);
    font-size: 1.05rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    max-width: 100%;
}

.btn-outline-calc:hover {
    background: var(--accent);
    color: #fff;
}

/* =====================================================================
   📱 АДАПТИВ
   ===================================================================== */

/* Планшеты (≤1024px) */
@media (max-width: 1024px) {
    .calculator-wrapper {
        max-width: 100%;
        margin: 0 10px;
    }
    .calculator-body {
        padding: 25px;
    }
}

/* Мобильные (≤768px) */
@media (max-width: 768px) {
    .calc-row {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    .calculator-body {
        padding: 20px;
    }
    .calculator-header {
        padding: 20px 25px;
    }
    .calculator-header h3 {
        font-size: 1.3rem;
    }
    .result-value {
        font-size: 2rem;
    }
    .calc-actions {
        flex-direction: column;
        gap: 12px;
    }
    .btn-calc,
    .btn-outline-calc {
        width: 100%;
        justify-content: center;
    }
    .addon-price {
        min-width: 70px;
        font-size: 0.85rem;
    }
    
    /* 🔧 ПОЛЗУНОК — МОБИЛЬНЫЕ */
    .thickness-slider input[type="range"] {
        height: 12px !important;
        padding: 0 !important;
        margin: 0 !important;
        -webkit-appearance: none !important;
        -moz-appearance: none !important;
        appearance: none !important;
    }
    
    .thickness-slider input[type="range"]::-webkit-slider-thumb {
        width: 14px !important;
        height: 14px !important;
        -webkit-appearance: none !important;
        appearance: none !important;
    }
    
    .thickness-slider input[type="range"]::-webkit-slider-runnable-track {
        height: 14px !important;
        padding: 0 !important;
    }
    
    .thickness-slider input[type="range"]::-moz-range-thumb {
        width: 14px !important;
        height: 14px !important;
    }
    
    .thickness-slider input[type="range"]::-moz-range-track {
        height: 12px !important;
        padding: 0 !important;
    }
    
    .thickness-slider input[type="range"]::-moz-range-progress {
        height: 12px !important;
    }
}

/* 🔧 Маленькие мобильные (≤466px) — КРИТИЧЕСКОЕ ИСПРАВЛЕНИЕ */
@media (max-width: 466px) {
    .calculator-wrapper {
        width: 85vw !important;
        max-width: 90vw !important;
        margin: 0 !important;
        border-radius: var(--radius) !important;
        box-sizing: border-box !important;
    }
    
    .calculator-body {
        padding: 12px !important;
        width: 100% !important;
        box-sizing: border-box !important;
        overflow-x: hidden;
    }
    
    .calculator-header {
        padding: 15px 12px !important;
    }
    
    .calculator-header h3 {
        font-size: 1.1rem !important;
        word-break: break-word;
    }
    
    .calculator-header p {
        font-size: 0.8rem !important;
    }
    
    .calc-row {
        grid-template-columns: 1fr !important;
        gap: 12px !important;
        width: 100% !important;
    }
    
    .calc-field input,
    .calc-field select {
        padding: 10px 12px !important;
        font-size: 0.9rem !important;
        width: 100% !important;
    }
    
    .thickness-slider {
        flex-direction: column !important;
        align-items: stretch !important;
        gap: 8px !important;
        width: 100% !important;
    }
    
    /* 🔧 ПОЛЗУНОК — ТОНКАЯ ПОЛОСКА */
    .thickness-slider input[type="range"] {
        height: 12px !important;
        padding: 0 !important;
        margin: 0 !important;
        border: none !important;
        -webkit-appearance: none !important;
        -moz-appearance: none !important;
        appearance: none !important;
        overflow: visible !important;
    }
    
    .thickness-slider input[type="range"]::-webkit-slider-thumb {
        width: 12px !important;
        height: 12px !important;
        border: 2px solid var(--accent) !important;
        -webkit-appearance: none !important;
        appearance: none !important;
        margin-top: 0 !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
    }
    
    .thickness-slider input[type="range"]::-webkit-slider-runnable-track {
        height: 12px !important;
        padding: 0 !important;
        margin: 0 !important;
        border: none !important;
    }
    
    .thickness-slider input[type="range"]::-moz-range-thumb {
        width: 12px !important;
        height: 12px !important;
        border: 2px solid var(--accent) !important;
    }
    
    .thickness-slider input[type="range"]::-moz-range-track {
        height: 12px !important;
        padding: 0 !important;
        margin: 0 !important;
        border: none !important;
    }
    
    .thickness-slider input[type="range"]::-moz-range-progress {
        height: 12px !important;
    }
    
    .thickness-value {
        min-width: auto !important;
        width: 100% !important;
        text-align: center !important;
        padding: 6px 10px !important;
        font-size: 1rem !important;
    }
    
    .addon-item {
        flex-direction: column !important;
        align-items: flex-start !important;
        gap: 8px !important;
        padding: 10px 12px !important;
        width: 100% !important;
    }
    
    .addon-item input[type="checkbox"],
    .addon-item input[type="radio"] {
        width: 18px !important;
        height: 18px !important;
    }
    
    .addon-item span {
        font-size: 0.85rem !important;
        width: 100% !important;
    }
    
    .addon-price {
        width: 100% !important;
        text-align: left !important;
        min-width: auto !important;
        margin-left: 26px !important;
        font-size: 0.8rem !important;
        white-space: normal !important;
    }
    
    .calc-result {
        padding: 15px 12px !important;
        width: 100% !important;
    }
    
    .result-value {
        font-size: 1.6rem !important;
    }
    
    .result-label {
        font-size: 0.85rem !important;
    }
    
    .calc-actions {
        flex-direction: column !important;
        gap: 10px !important;
        width: 100% !important;
    }
    
    .btn-calc,
    .btn-outline-calc {
        width: 100% !important;
        padding: 12px 20px !important;
        font-size: 0.95rem !important;
        justify-content: center !important;
    }
}

/* 🔧 Очень маленькие экраны (≤360px) */
@media (max-width: 360px) {
    .calculator-body {
        padding: 10px !important;
    }
    
    .calculator-header {
        padding: 12px 10px !important;
    }
    
    .calculator-header h3 {
        font-size: 1rem !important;
    }
    
    .result-value {
        font-size: 1.4rem !important;
    }
    
    .addon-price {
        margin-left: 24px !important;
        font-size: 0.75rem !important;
    }
    
    .btn-calc,
    .btn-outline-calc {
        padding: 10px 16px !important;
        font-size: 0.9rem !important;
    }
    
    /* 🔧 ПОЛЗУНОК — ЕЩЁ ТОНЬШЕ */
    .thickness-slider input[type="range"] {
        height: 12px !important;
        padding: 0 !important;
        margin: 0 !important;
    }
    
    .thickness-slider input[type="range"]::-webkit-slider-thumb {
        width: 12px !important;
        height: 12px !important;
    }
    
    .thickness-slider input[type="range"]::-webkit-slider-runnable-track {
        height: 12px !important;
        padding: 0 !important;
    }
    
    .thickness-slider input[type="range"]::-moz-range-thumb {
        width: 12px !important;
        height: 12px !important;
    }
    
    .thickness-slider input[type="range"]::-moz-range-track {
        height: 12px !important;
        padding: 0 !important;
    }
    
    .thickness-slider input[type="range"]::-moz-range-progress {
        height: 12px !important;
    }
}

/* Большие экраны (≥1200px) */
@media (min-width: 1200px) {
    .calculator-wrapper {
        max-width: 1000px;
    }
    .calculator-body {
        padding: 40px;
    }
    .result-value {
        font-size: 3rem;
    }
}