/* calc/assets/css/calculators/rust-craft-calculator.css */

:root {
    --rust-primary: #B91C1C; /* Ржавый красный */
    --rust-bg: #FEF2F2;      /* Очень светло-красный */
    --rust-dark: #1F2937;    /* Угольный */
    --rust-accent: #FCA5A5;  
    
    /* Цвета ресурсов Rust */
    --res-wood: #854D0E;
    --res-stone: #4B5563;
    --res-metal: #9CA3AF;
    --res-hqm: #38BDF8;
    --res-scrap: #D97706;
    --res-cloth: #10B981;
    --res-sulfur: #EAB308;
}

/* --- ВЕРХНЯЯ ЧАСТЬ --- */
.calc-header { margin-bottom: 40px; }
.subtitle { color: var(--text-secondary); margin-top: 12px; font-size: 16px; line-height: 1.5; }

.calc-grid { display: grid; grid-template-columns: 1fr; gap: 32px; align-items: start; }
@media (min-width: 1024px) { .calc-grid { grid-template-columns: 1fr 1.1fr; gap: 40px; } }

.form-divider { border: none; height: 1px; background: #FECACA; margin: 24px 0; opacity: 0.7; }

/* Левая часть (Поиск и выбор) */
.rust-bg { background: #fff; border: 2px solid #FEE2E2; }
.rust-title { color: var(--rust-primary) !important; font-weight: 800 !important; text-transform: uppercase; font-size: 15px !important; border-left: 3px solid var(--rust-primary); padding-left: 8px; display: flex; align-items: center; gap: 6px; }

.recipe-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 20px; }
.btn-icon-small { background: #FEF2F2; border: 1px solid #FECACA; color: var(--rust-primary); padding: 6px 12px; border-radius: 8px; font-size: 13px; cursor: pointer; font-weight: 700; transition: all 0.2s; display: flex; align-items: center; gap: 4px; }
.btn-icon-small:hover { background: var(--rust-primary); color: #fff; }

.input-wrapper { position: relative; display: flex; align-items: center; }
.input-wrapper input {
    width: 100%; padding: 14px 16px;
    font-size: 15px; font-weight: 600; font-family: inherit;
    border: 1px solid #D1D5DB; border-radius: 12px;
    transition: all 0.2s; outline: none; background: #fff; color: #1F2937;
}
.input-wrapper input:focus { border-color: var(--rust-primary); box-shadow: 0 0 0 4px rgba(185, 28, 28, 0.15); }

/* Сетка предметов для добавления */
.rust-items-grid {
    display: grid; grid-template-columns: repeat(auto-fill, minmax(130px, 1fr)); gap: 12px;
    max-height: 400px; overflow-y: auto; padding-right: 8px;
}
.rust-items-grid::-webkit-scrollbar { width: 6px; }
.rust-items-grid::-webkit-scrollbar-thumb { background: #D1D5DB; border-radius: 3px; }

.r-item-card {
    background: #F9FAFB; border: 1px solid #E5E7EB; border-radius: 12px;
    padding: 12px; text-align: center; cursor: pointer; transition: all 0.2s;
    display: flex; flex-direction: column; align-items: center; gap: 8px;
}
.r-item-card:hover { border-color: var(--rust-primary); box-shadow: 0 4px 12px rgba(185, 28, 28, 0.1); background: #fff; transform: translateY(-2px); }
.r-icon { font-size: 24px; }
.r-name { font-size: 12px; font-weight: 700; color: #374151; line-height: 1.2; }

/* Выбранные предметы (Корзина) */
.selected-items-list { display: flex; flex-direction: column; gap: 8px; margin-top: 16px; }
.empty-cart-msg { text-align: center; font-size: 13px; color: #9CA3AF; padding: 20px; border: 1px dashed #D1D5DB; border-radius: 12px; background: #F9FAFB; }

.cart-item {
    display: flex; align-items: center; justify-content: space-between;
    background: #fff; border: 1px solid #E5E7EB; border-radius: 12px; padding: 10px 16px;
    box-shadow: var(--shadow-soft);
}
.ci-info { display: flex; align-items: center; gap: 12px; }
.ci-icon { font-size: 20px; }
.ci-name { font-size: 14px; font-weight: 700; color: #111827; }

.ci-controls { display: flex; align-items: center; gap: 12px; }
.ci-btn { width: 28px; height: 28px; border-radius: 6px; background: #F3F4F6; border: none; color: #374151; font-weight: 800; cursor: pointer; transition: background 0.2s; }
.ci-btn:hover { background: #E5E7EB; }
.ci-count { font-size: 16px; font-weight: 800; color: var(--rust-primary); width: 24px; text-align: center; }


/* --- ПРАВАЯ ЧАСТЬ: РЕЗУЛЬТАТ (KILLER FEATURE) --- */
@media (min-width: 1024px) { .sticky-card { position: sticky; top: 24px; transition: top 0.3s; } }

.rust-result-card {
    background: var(--rust-dark); border: 2px solid #374151; padding: 32px;
    border-top: 6px solid var(--rust-primary); border-radius: 20px;
    box-shadow: 0 20px 40px -10px rgba(0,0,0,0.5); color: #F3F4F6;
}

.result-header-neon { text-align: center; margin-bottom: 24px; }
.result-header-neon h2 { font-size: 20px; font-weight: 800; color: #fff; margin: 0 0 4px 0; text-transform: uppercase; letter-spacing: 1px; }
.result-header-neon p { margin: 0; color: #9CA3AF; font-size: 13px; font-weight: 600; text-transform: uppercase; }

/* Чистые ресурсы */
.total-resources-grid {
    display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-bottom: 32px;
}
.res-box {
    background: #374151; border: 1px solid #4B5563; border-radius: 12px;
    padding: 16px 8px; text-align: center; display: flex; flex-direction: column; align-items: center; gap: 6px;
}
.res-icon { font-size: 24px; }
.res-val { font-size: 22px; font-weight: 800; color: #fff; line-height: 1; }
.res-name { font-size: 11px; font-weight: 700; color: #9CA3AF; text-transform: uppercase; }

.val-wood { color: #FCD34D; }
.val-stone { color: #E5E7EB; }
.val-metal { color: #93C5FD; }
.val-hqm { color: #38BDF8; text-shadow: 0 0 10px rgba(56, 189, 248, 0.5); }
.val-scrap { color: #FDBA74; }
.val-cloth { color: #6EE7B7; }
.val-sulfur { color: #FEF08A; }

/* KILLER FEATURE: Плавильня */
.furnace-wrapper { background: #111827; border: 1px solid #374151; border-radius: 16px; padding: 20px; margin-bottom: 24px; }
.furnace-title { font-size: 14px; font-weight: 800; color: #fff; margin-bottom: 12px; display: flex; align-items: center; gap: 8px; text-transform: uppercase; }
.furnace-desc { font-size: 12px; color: #9CA3AF; margin: 0 0 16px 0; line-height: 1.4; }

.smelt-row { display: flex; align-items: center; justify-content: space-between; background: #1F2937; padding: 12px; border-radius: 12px; margin-bottom: 12px; border: 1px solid #374151; }
.smelt-item { display: flex; flex-direction: column; align-items: center; width: 30%; text-align: center;}
.s-icon { font-size: 20px; margin-bottom: 4px; }
.s-name { font-size: 10px; color: #9CA3AF; text-transform: uppercase; margin-bottom: 4px; white-space: nowrap; }
.s-val { font-size: 16px; font-weight: 800; color: #fff; }

.smelt-plus, .smelt-equal { font-size: 20px; font-weight: 800; color: #6B7280; }

.smelt-result { width: 30%; text-align: center; font-size: 11px; font-weight: 700; display: flex; flex-direction: column; align-items: center; }
.smelt-result span { font-size: 20px; font-weight: 800; line-height: 1.2; }
.text-iron { color: #93C5FD; }
.text-hqm { color: #38BDF8; text-shadow: 0 0 10px rgba(56, 189, 248, 0.4); }

.total-wood-box { margin-top: 16px; text-align: center; font-size: 13px; color: #D1D5DB; padding-top: 12px; border-top: 1px dashed #374151; }
.total-wood-box strong { color: #FCD34D; font-size: 18px; font-weight: 800; margin-left: 6px; }

/* Компоненты */
.summary-divider { height: 2px; background: repeating-linear-gradient(90deg, #4B5563 0, #4B5563 6px, transparent 6px, transparent 12px); margin: 24px 0; opacity: 0.5; }

.comp-grid { display: flex; flex-wrap: wrap; gap: 8px; }
.comp-item { background: #374151; padding: 6px 12px; border-radius: 8px; font-size: 12px; font-weight: 700; color: #D1D5DB; display: flex; align-items: center; gap: 6px; border: 1px solid #4B5563; }
.comp-item strong { color: #fff; font-size: 14px; }


/* --- НИЖНЯЯ ЧАСТЬ (SEO, INFO) --- */
.info-wrapper { padding: 80px 0; margin-top: 60px; border-top: 1px solid #E5E7EB; }

.author-badge { display: flex; align-items: flex-start; gap: 16px; margin-bottom: 40px; padding: 20px; background: #F8FAFC; border-radius: 16px; border: 1px solid #E2E8F0; }
.author-avatar { width: 48px; height: 48px; background: var(--rust-primary); color: #fff; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 22px; flex-shrink: 0; }
.author-info { display: flex; flex-direction: column; min-width: 0; }
.author-name { font-size: 15px; font-weight: 700; color: #111827; line-height: 1.4; margin-bottom: 4px; }
.author-date { font-size: 13px; color: #6B7280; }

.icon-heading { display: flex; align-items: flex-start; gap: 16px; margin-bottom: 32px; font-size: 26px; font-weight: 800; color: #111827; line-height: 1.25; letter-spacing: -0.02em; }
.header-icon { display: flex; align-items: center; justify-content: center; width: 52px; height: 52px; border-radius: 14px; background: #fff; box-shadow: 0 4px 12px rgba(0,0,0,0.06); flex-shrink: 0; margin-top: -6px; font-size: 26px; }

.rust-icon { color: var(--rust-primary); }
.dark-icon { color: var(--rust-dark); }
.text-danger { color: var(--rust-primary); font-weight: 700;}
.text-success { color: #10B981; font-weight: 700;}

.formulas-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; margin-bottom: 56px; }
.formula-card { background: #fff; border: 1px solid rgba(0,0,0,0.04); box-shadow: 0 4px 20px rgba(0,0,0,0.03); border-radius: 24px; padding: 32px; transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1); display: flex; flex-direction: column; }
.formula-card:hover { transform: translateY(-6px); box-shadow: 0 12px 32px rgba(185, 28, 28, 0.1); border-color: rgba(185, 28, 28, 0.1); }
.formula-header { display: flex; flex-direction: column; align-items: flex-start; gap: 14px; margin-bottom: 20px; }
.formula-card h3 { margin: 0; font-size: 20px; font-weight: 700; color: var(--text-primary); line-height: 1.3; }

.badge-rust { background: var(--rust-primary); color: #fff; padding: 6px 12px; border-radius: 99px; font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.5px; display: inline-block; }
.badge-dark { background: var(--rust-dark); color: #fff; padding: 6px 12px; border-radius: 99px; font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.5px; display: inline-block; }

.formula-card p { font-size: 15px; color: var(--text-secondary); margin: 0; line-height: 1.6; font-weight: 500; }
.math-expression { background: var(--rust-bg); border: 1px dashed var(--rust-primary); padding: 18px; border-radius: 14px; font-weight: 700; color: var(--rust-primary); text-align: center; margin-bottom: 20px; font-size: 17px; font-family: 'Courier New', Courier, monospace; letter-spacing: 0.5px; }

.soft-divider { border: none; height: 1px; background: linear-gradient(90deg, transparent, #E5E7EB, transparent); margin: 56px 0; opacity: 0.7; }
.intro-text { font-size: 16px; color: var(--text-secondary); line-height: 1.6; margin-bottom: 40px; }
.calc-description p { font-size: 17px; line-height: 1.7; color: #4B5563; margin-bottom: 24px; }
.calc-description strong { color: #1F2937; font-weight: 700; }

.seo-table-wrapper { overflow-x: auto; margin-bottom: 48px; background: #fff; border-radius: 16px; border: 1px solid #E5E7EB; box-shadow: 0 4px 10px rgba(0,0,0,0.02); }
.seo-table-wrapper::-webkit-scrollbar { height: 6px; }
.seo-table-wrapper::-webkit-scrollbar-thumb { background: #D1D5DB; border-radius: 3px; }
.seo-table { width: 100%; border-collapse: collapse; min-width: 500px; text-align: left; }
.seo-table th { background: #F9FAFB; padding: 18px 24px; font-size: 13px; font-weight: 800; color: #6B7280; text-transform: uppercase; border-bottom: 1px solid #E5E7EB; letter-spacing: 0.5px; }
.seo-table td { padding: 18px 24px; font-size: 14px; border-bottom: 1px solid #F3F4F6; color: #374151; vertical-align: top; line-height: 1.5; }
.seo-table tr:last-child td { border-bottom: none; }

.howto-section { margin-top: 48px; }
.howto-step { display: flex; gap: 20px; margin-bottom: 32px; background: #fff; padding: 24px; border-radius: 20px; border: 1px solid #E5E7EB; transition: box-shadow 0.2s, transform 0.2s; }
.howto-step:hover { box-shadow: 0 10px 25px -5px rgba(0,0,0,0.05); transform: translateY(-2px); }
.step-num { width: 36px; height: 36px; background: var(--rust-bg); color: var(--rust-primary); font-weight: 800; border-radius: 50%; display: flex; align-items: center; justify-content: center; flex-shrink: 0; font-size: 15px; border: 1px solid rgba(185, 28, 28, 0.2); }
.step-content h4 { margin: 0 0 10px 0; font-size: 18px; color: #111827; font-weight: 700; }
.step-content p { margin: 0; font-size: 16px; color: #6B7280; line-height: 1.6; }

.faq-section .faq-item { background: #fff; border: 1px solid #E5E7EB; border-radius: 16px; margin-bottom: 16px; overflow: hidden; transition: all 0.2s ease; }
.faq-section .faq-item:hover { border-color: #D1D5DB; }
.faq-section .faq-item[open] { border-color: var(--rust-primary); box-shadow: 0 8px 20px rgba(185, 28, 28, 0.08); }
summary.faq-question { padding: 22px 28px; cursor: pointer; font-weight: 700; color: var(--text-primary); font-size: 17px; list-style: none; position: relative; display: flex; justify-content: space-between; align-items: center; transition: background 0.2s; }
.faq-section .faq-item[open] summary.faq-question { color: var(--rust-primary); background: var(--rust-bg); border-bottom: 1px solid #FECACA; }
.faq-question::after { content: '+'; font-size: 26px; color: #9CA3AF; font-weight: 400; line-height: 1; transition: transform 0.3s; }
.faq-section .faq-item[open] summary.faq-question::after { content: '−'; color: var(--rust-primary); }
.faq-answer, .faq-item div[itemprop="text"] { padding: 28px; color: var(--text-secondary); line-height: 1.7; font-size: 16px; background: #fff; }
.faq-answer p { margin: 0; }

@media (max-width: 900px) {
    .calc-header { margin-bottom: 32px; }
    .formulas-grid { grid-template-columns: 1fr; gap: 20px; }
    .icon-heading { font-size: 22px; gap: 12px; }
    .header-icon { width: 44px; height: 44px; font-size: 22px; }
    .formula-card { padding: 24px; }
    summary.faq-question { padding: 18px 20px; font-size: 16px; }
    .faq-answer, .faq-item div[itemprop="text"] { padding: 20px; font-size: 15px; }
    .howto-step { padding: 20px; gap: 16px; flex-direction: column; }
    .step-num { margin-bottom: -8px; }
}

@media (max-width: 480px) {
    .author-badge { padding: 16px; gap: 12px; align-items: flex-start; flex-direction: row; }
    .author-avatar { width: 40px; height: 40px; font-size: 18px; }
    
    .rust-result-card { padding: 24px 16px; }
    .total-resources-grid { grid-template-columns: repeat(2, 1fr); }
    .rust-items-grid { grid-template-columns: repeat(2, 1fr); }
    
    /* ИСПРАВЛЕНИЕ: Плавильня для мобильных (в столбик) */
    .smelt-row { flex-direction: column; gap: 8px; justify-content: center; padding: 16px; }
    .smelt-item { width: 100%; flex-direction: row; justify-content: space-between; border-bottom: 1px dashed #4B5563; padding-bottom: 8px;}
    .s-name { white-space: normal; text-align: left; flex-grow: 1; margin: 0 12px; font-size: 12px; }
    .smelt-plus { display: none; } /* Скрываем плюсы на мобилке, так как идет списком */
    .smelt-equal { transform: rotate(90deg); margin: 4px 0; }
    .smelt-result { width: 100%; border-top: 1px dashed #4B5563; padding-top: 12px; flex-direction: row; justify-content: space-between; font-size: 14px; }
}