/* Elegant Premium Style System for Recordsman Calculator */

:root {
    --bg-primary: #f8fafc;
    --bg-secondary: #ffffff;
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #94a3b8;
    --accent-color: #f7941d; /* Recordsman Amber/Orange */
    --accent-hover: #e08010;
    --accent-glow: rgba(247, 148, 29, 0.15);
    --border-color: #e2e8f0;
    --border-hover: #cbd5e1;
    --card-shadow: 0 4px 6px -1px rgb(0 0 0 / 0.05), 0 2px 4px -2px rgb(0 0 0 / 0.05);
    --card-shadow-hover: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --card-shadow-selected: 0 10px 25px -5px rgba(247, 148, 29, 0.25);
    --sidebar-shadow: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    --radius-lg: 16px;
    --radius-md: 12px;
    --radius-sm: 8px;
    --font-heading: 'Outfit', 'Inter', sans-serif;
    --font-body: 'Inter', sans-serif;
}

/* Dark Mode Settings (Optional fallback, but keeping premium light as default) */
@media (prefers-color-scheme: dark) {
    :root {
        --bg-primary: #090d16;
        --bg-secondary: #111827;
        --text-primary: #f8fafc;
        --text-secondary: #94a3b8;
        --text-muted: #64748b;
        --border-color: #1f2937;
        --border-hover: #374151;
        --card-shadow: 0 4px 6px -1px rgb(0 0 0 / 0.2);
        --card-shadow-hover: 0 10px 15px -3px rgb(0 0 0 / 0.3);
        --sidebar-shadow: 0 20px 25px -5px rgb(0 0 0 / 0.4);
    }
}

/* Base Resets */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-font-smoothing: antialiased;
}

body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-family: var(--font-body);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Scrollbar styles */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
    background: var(--border-hover);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

/* App Container Layout */
.calculator-app {
    display: grid;
    grid-template-columns: 1fr 380px;
    gap: 3rem;
    max-width: 1440px;
    margin: 0 auto;
    padding: 2.5rem;
    min-height: 100vh;
}

/* Main Area */
.main-content {
    display: flex;
    flex-direction: column;
    gap: 3rem;
}

.app-header {
    margin-bottom: 1rem;
}

.logo-area {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.logo-icon {
    font-size: 2.5rem;
    color: var(--accent-color);
}

/* Slow spin animation for disc */
.fa-spin-slow {
    animation: fa-spin 8s linear infinite;
}

.logo-text h1 {
    font-family: var(--font-heading);
    font-size: 1.75rem;
    font-weight: 800;
    letter-spacing: 0.1em;
    color: var(--text-primary);
}

.logo-text p {
    font-size: 0.875rem;
    color: var(--text-muted);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Dynamic Steps Container */
#steps-container {
    display: flex;
    flex-direction: column;
    gap: 3.5rem;
}

/* Step Block */
.step-block {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    animation: fadeInUp 0.5s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.step-block-header {
    border-left: 4px solid var(--accent-color);
    padding-left: 1rem;
}

.step-block-header h2 {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

/* Options Grid */
.options-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 1rem;
}

/* Option Card */
.option-card {
    position: relative;
    width: 100%;
    max-width: 240px;
    height: 240px;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1.25rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    box-shadow: var(--card-shadow);
}

.option-card:hover {
    transform: translateY(-5px);
    border-color: var(--border-hover);
    box-shadow: var(--card-shadow-hover);
}

/* Card Selection State */
.option-card.selected {
    border: 3px solid var(--accent-color);
    box-shadow: var(--card-shadow-selected);
    background-color: rgba(247, 148, 29, 0.02);
}

/* Image styling */
.card-img-wrapper {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    max-height: 120px;
    margin-bottom: 0.75rem;
}

.card-img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    transition: transform 0.5s ease;
}

.option-card:hover .card-img {
    transform: scale(1.05);
}

/* Card name text */
.card-name {
    font-family: var(--font-heading);
    font-size: 0.85rem; /* Slightly smaller text to prevent truncation */
    font-weight: 600;
    text-align: center;
    color: var(--text-primary);
    display: -webkit-box;
    -webkit-line-clamp: 4; /* Allow up to 4 lines statically */
    -webkit-box-orient: vertical;
    overflow: hidden;
    line-height: 1.25; /* Compact line spacing */
}

/* Info Icon & Tooltips */
.info-btn {
    position: absolute;
    top: 1rem;
    right: 1rem;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 0.8rem;
    transition: all 0.2s ease;
    z-index: 10;
}

.info-btn:hover {
    background-color: var(--text-primary);
    color: var(--bg-secondary);
    border-color: var(--text-primary);
}

/* Tooltip Cloud */
.tooltip-cloud {
    position: absolute;
    bottom: calc(100% + 12px);
    left: 50%;
    transform: translateX(-50%) translateY(10px);
    width: 280px;
    background-color: #1e293b; /* Sleek Dark Slate */
    color: #f8fafc;
    padding: 1rem 1.25rem;
    border-radius: var(--radius-md);
    box-shadow: 0 10px 25px -5px rgb(0 0 0 / 0.3), 0 8px 10px -6px rgb(0 0 0 / 0.3);
    font-size: 0.825rem;
    line-height: 1.4;
    font-weight: 400;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    z-index: 999;
    text-align: left;
}

.tooltip-cloud::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    border-width: 6px;
    border-style: solid;
    border-color: #1e293b transparent transparent transparent;
}

.info-btn:hover + .tooltip-cloud,
.tooltip-cloud:hover {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.tooltip-cloud h5 {
    font-family: var(--font-heading);
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--accent-color);
}

.tooltip-cloud img {
    display: block;
    max-width: 100%;
    height: auto;
    border-radius: var(--radius-sm);
    box-shadow: 0 4px 10px rgb(0 0 0 / 0.25);
    margin: 0.5rem auto 0;
}


/* Sidebar Styling */
.sidebar-area {
    position: relative;
}

.calculator-sidebar {
    position: sticky;
    top: 2.5rem;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 2rem;
    box-shadow: var(--sidebar-shadow);
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.sidebar-header h3 {
    font-family: var(--font-heading);
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--text-primary);
}

.sidebar-brand {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--accent-color);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.sidebar-divider {
    height: 1px;
    background-color: var(--border-color);
}

.section-title {
    font-family: var(--font-heading);
    font-size: 0.9rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    margin-bottom: 0.75rem;
}

/* Sidebar selection list */
.selections-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.selections-list li {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.selections-list li i {
    color: var(--accent-color);
    font-size: 0.75rem;
}

.selections-list .empty-selection {
    color: var(--text-muted);
    font-style: italic;
    font-weight: 400;
}

/* Quantity Control */
.quantity-control-label {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.not-available-label {
    font-size: 0.875rem;
    color: var(--text-muted);
    font-weight: 600;
}

.quantity-input-wrapper {
    display: flex;
    align-items: center;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    overflow: hidden;
    background-color: var(--bg-primary);
}

.qty-btn {
    width: 48px;
    height: 48px;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-secondary);
    font-size: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.2s ease;
}

.qty-btn:hover {
    background-color: var(--border-color);
    color: var(--text-primary);
}

#qty-input {
    flex: 1;
    height: 48px;
    border: none;
    background: none;
    text-align: center;
    font-family: var(--font-heading);
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-primary);
    outline: none;
}

/* Hide spin buttons */
#qty-input::-webkit-outer-spin-button,
#qty-input::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}
#qty-input[type=number] {
    -moz-appearance: textfield;
}

.hint-text {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 0.5rem;
    font-weight: 500;
}

/* Price block */
.price-section {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.price-label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.price-value {
    font-family: var(--font-heading);
    font-size: 2.25rem;
    font-weight: 800;
    color: var(--text-primary);
    transition: all 0.3s ease;
}

.price-per-unit {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--accent-color);
}

/* Contact Order Form */
.calc-form-container {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    box-shadow: var(--card-shadow);
    max-width: 932px;
}

.calc-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.cf-head {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.form-group label {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.form-group input,
.form-group textarea {
    padding: 0.75rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 0.95rem;
    outline: none;
    transition: all 0.2s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px var(--accent-glow);
    background-color: var(--bg-secondary);
}

.form-group textarea {
    height: 100px;
    resize: none;
}

/* Error message inside form */
.formMsgError {
    background-color: rgba(239, 68, 68, 0.08);
    border-left: 4px solid #ef4444;
    color: #ef4444;
    padding: 1rem;
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    font-weight: 500;
}

.order-btn {
    background-color: var(--accent-color);
    color: #ffffff;
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 700;
    padding: 1rem;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 1rem;
    box-shadow: 0 4px 12px rgba(247, 148, 29, 0.2);
}

.order-btn:hover {
    background-color: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(247, 148, 29, 0.3);
}

.order-btn:active {
    transform: translateY(0);
}

/* Modal Overlay & Card */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: rgba(15, 23, 42, 0.6);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal-card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 3rem;
    max-width: 500px;
    width: 90%;
    text-align: center;
    box-shadow: var(--sidebar-shadow);
    transform: scale(0.9);
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.modal-overlay.active .modal-card {
    transform: scale(1);
}

.modal-icon {
    font-size: 3.5rem;
    color: var(--accent-color);
    margin-bottom: 1.5rem;
}

.modal-card h2 {
    font-family: var(--font-heading);
    font-size: 1.65rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.modal-card p {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.modal-details {
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1.25rem;
    text-align: left;
    margin-bottom: 2rem;
    max-height: 200px;
    overflow-y: auto;
}

.modal-details h5 {
    font-family: var(--font-heading);
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.25rem;
}

.modal-details ul {
    list-style: none;
}

.modal-details li {
    font-size: 0.85rem;
    color: var(--text-secondary);
    padding: 0.25rem 0;
    display: flex;
    justify-content: space-between;
}

.modal-details li strong {
    color: var(--text-primary);
}

.modal-close-btn {
    background-color: var(--text-primary);
    color: var(--bg-secondary);
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1rem;
    padding: 0.85rem 2rem;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all 0.2s ease;
    width: 100%;
}

.modal-close-btn:hover {
    opacity: 0.9;
}

/* Responsive Media Queries */
@media (max-width: 1024px) {
    .calculator-app {
        grid-template-columns: 1fr;
        gap: 2rem;
        padding: 1rem 1rem 6.5rem 1rem; /* Достаточный отступ снизу для 2-строчного бара */
    }
    
    .calculator-sidebar {
        position: fixed;
        bottom: 0;
        left: 0 !important;
        right: 0 !important;
        top: auto !important; /* Отменяем desktop top: 2.5rem */
        width: 100% !important;
        height: auto !important;
        border-radius: var(--radius-md) var(--radius-md) 0 0 !important;
        z-index: 999;
        display: flex;
        flex-direction: column; /* Стек в 2 строки на мобильных */
        align-items: stretch;
        padding: 0.5rem 1rem;
        box-shadow: 0 -8px 20px rgb(0 0 0 / 0.15);
        gap: 0.35rem; /* Очень компактный зазор между строками */
        background-color: var(--bg-secondary);
        border-top: 1px solid var(--border-color) !important;
        border-left: none !important;
        border-right: none !important;
        border-bottom: none !important;
    }
    
    .step-block-header h2 {
        font-size: 1.3rem !important; /* Уменьшаем H2 на мобильном */
    }
    
    /* Скрываем все лишние секции на мобильном */
    .calculator-sidebar .sidebar-header,
    .calculator-sidebar .selections-section,
    .calculator-sidebar .sidebar-divider,
    .calculator-sidebar #qty-hint,
    .calculator-sidebar .price-per-unit {
        display: none !important;
    }
    
    .calculator-sidebar .sidebar-section {
        margin: 0;
    }

    /* Строка 1: Количество на всю ширину с выравниванием по краям */
    .calculator-sidebar .sidebar-section:nth-of-type(2) {
        display: flex;
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
        width: 100%;
        gap: 0.5rem;
    }

    .calculator-sidebar .quantity-control-label {
        margin: 0;
    }

    .calculator-sidebar .section-title {
        font-size: 0.75rem;
        margin: 0;
        color: var(--text-muted);
        text-transform: none;
        letter-spacing: normal;
        font-weight: 500;
    }

    .calculator-sidebar .quantity-input-wrapper {
        height: 30px;
        padding: 2px;
        border-radius: var(--radius-sm);
        gap: 0.2rem;
    }

    .calculator-sidebar .qty-btn {
        width: 24px;
        height: 24px;
        font-size: 0.7rem;
        border-radius: 4px;
    }

    .calculator-sidebar #qty-input {
        width: 45px;
        font-size: 0.8rem;
    }

    /* Строка 2: Стоимость на всю ширину с выравниванием по краям */
    .calculator-sidebar .price-section {
        display: flex;
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
        width: 100%;
        border-top: 1px dashed var(--border-color);
        padding-top: 0.35rem;
        margin-top: 0.1rem;
    }

    .calculator-sidebar .price-label {
        font-size: 0.75rem;
        color: var(--text-muted);
        text-transform: none;
        font-weight: 500;
        margin: 0;
    }

    .calculator-sidebar .price-value {
        font-size: 1.25rem;
        font-weight: 800;
        color: var(--accent-color);
        margin: 0;
    }
    
    .sidebar-area {
        height: 0;
    }
}

@media (max-width: 640px) {
    /* Ровно 2 колонки в строку на мобильных и уменьшенные боксы */
    .options-grid {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 0.6rem !important; /* Уменьшенные зазоры */
    }
    
    .option-card {
        padding: 0.4rem !important;
        border-radius: var(--radius-md) !important;
        aspect-ratio: 1 / 1 !important;
        width: 100% !important;
        max-width: 160px !important;
        height: auto !important;
        display: flex !important;
        flex-direction: column !important;
        justify-content: center !important; /* Вертикальное центрирование */
        align-items: center !important;
        gap: 0.2rem !important; /* Минимальный зазор между картинкой и текстом */
    }
    
    .card-img-wrapper {
        flex: none !important; /* Отменяем flex: 1, убирая лишнее пустое пространство! */
        max-height: 55px !important; /* Уменьшенные картинки */
        height: 55px !important;
        margin-bottom: 0px !important;
    }
    
    .card-name {
        font-size: 0.72rem !important; /* Компактный шрифт для длинных названий */
        line-height: 1.15 !important;
        -webkit-line-clamp: 3 !important;
        margin-top: 0px !important;
    }
    
    /* Ультракомпактная иконка "i" на мобильном */
    .info-btn {
        width: 18px !important;
        height: 18px !important;
        font-size: 0.55rem !important;
        top: 0.4rem !important;
        right: 0.4rem !important;
    }
    
    /* Оптимизация всплывающих подсказок tooltip */
    .tooltip-cloud {
        width: 210px !important;
        font-size: 0.65rem !important; /* Мелкий читаемый шрифт */
        padding: 0.4rem 0.6rem !important;
        bottom: calc(100% + 8px) !important;
    }
    
    /* Интеллектуальное выравнивание подсказок для исключения выхода за края экрана */
    .options-grid .option-card:nth-child(odd) .tooltip-cloud {
        left: 0 !important;
        transform: translateY(10px) !important;
    }
    .options-grid .option-card:nth-child(odd) .info-btn:hover + .tooltip-cloud,
    .options-grid .option-card:nth-child(odd) .tooltip-cloud:hover {
        transform: translateY(0) !important;
    }
    .options-grid .option-card:nth-child(odd) .tooltip-cloud::after {
        left: 20px !important;
        transform: none !important;
    }

    .options-grid .option-card:nth-child(even) .tooltip-cloud {
        left: auto !important;
        right: 0 !important;
        transform: translateY(10px) !important;
    }
    .options-grid .option-card:nth-child(even) .info-btn:hover + .tooltip-cloud,
    .options-grid .option-card:nth-child(even) .tooltip-cloud:hover {
        transform: translateY(0) !important;
    }
    .options-grid .option-card:nth-child(even) .tooltip-cloud::after {
        left: auto !important;
        right: 20px !important;
        transform: none !important;
    }
    
    .form-row {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
}