/* --- Стили для Шашлыка (Fire Theme) --- */
:root {
    --accent-fire: #DC2626; /* Red 600 */
    --accent-fire-dark: #B91C1C;
    --accent-fire-light: #FEF2F2;
    --gradient-fire-card: linear-gradient(135deg, #EF4444 0%, #B91C1C 100%);
}

.calc-header { margin-bottom: 32px; }
.subtitle { color: var(--text-secondary); margin-top: 8px; }

.calc-grid { display: grid; grid-template-columns: 1fr; gap: 24px; align-items: start; }
@media (min-width: 900px) { .calc-grid { grid-template-columns: 1.2fr 0.8fr; } }

/* Inputs */
.calc-inputs { gap: 24px; }

/* Заголовок группы */
.group-label { 
    font-size: 14px; font-weight: 700; margin-bottom: 16px; 
    display: block; text-align: center; 
}

/* People Counters */
.people-row { 
    display: grid; 
    grid-template-columns: 1fr 1fr 1fr; /* Десктоп: 3 в ряд */
    gap: 12px; 
}

/* ИСПРАВЛЕНО: Адаптив для мобильных */
@media (max-width: 600px) {
    .people-row {
        grid-template-columns: 1fr; /* Мобильный: 1 в ряд (столбик) */
    }
    
    /* Опционально: делаем карточку горизонтальной на мобиле для экономии места */
    .person-input {
        flex-direction: row !important; /* В ряд: Смайл - Текст - Кнопки */
        justify-content: space-between;
        padding: 12px 16px !important;
    }
    
    .person-input label {
        margin-bottom: 0 !important;
        margin-left: 12px;
        margin-right: auto; /* Прижимаем текст влево */
        text-align: left;
    }
    
    .p-emoji {
        margin-bottom: 0 !important;
        font-size: 20px;
    }
}

.person-input {
    background: #F9FAFB; border: 1px solid #E5E7EB; border-radius: 12px;
    padding: 12px 8px; display: flex; flex-direction: column; align-items: center; text-align: center;
}
.p-emoji { font-size: 24px; margin-bottom: 4px; }
.person-input label { font-size: 12px; font-weight: 600; color: var(--text-secondary); margin-bottom: 8px; }

/* Счетчик */
.counter-round {
    display: flex; 
    align-items: center; 
    justify-content: center; 
    gap: 4px;
    background: #fff; 
    border-radius: 20px; 
    padding: 2px; 
    border: 1px solid #E5E7EB;
}

.counter-round button {
    width: 24px; 
    height: 24px; 
    border-radius: 50%; 
    border: none;
    background: #F3F4F6; 
    color: var(--text-primary); 
    font-weight: 700;
    cursor: pointer; 
    display: flex; 
    align-items: center; 
    justify-content: center;
    font-size: 16px; 
    padding: 0; 
    padding-bottom: 2px;
    line-height: 1;
}
.counter-round button:hover { background: #E5E7EB; }

.counter-round input {
    width: 24px; 
    height: 24px; 
    text-align: center; 
    border: none; 
    font-weight: 700; 
    font-size: 14px; 
    padding: 0;
    margin: 0;
    background: transparent;
    color: var(--text-primary);
    font-family: var(--font-main);
    line-height: 24px;
    -moz-appearance: textfield;
    appearance: none;
    border-radius: 0;
}
.counter-round input::-webkit-outer-spin-button,
.counter-round input::-webkit-inner-spin-button {
    -webkit-appearance: none; margin: 0;
}

.divider { border: 0; border-top: 1px solid #E5E7EB; margin: 24px 0; }

/* Segment Control */
.segment-control { display: flex; background: #F3F4F6; padding: 4px; border-radius: 12px; gap: 4px; }
.segment-item { flex: 1; cursor: pointer; position: relative; }
.segment-item input { display: none; }
.segment-box {
    display: flex; align-items: center; justify-content: center;
    padding: 10px 4px; border-radius: 8px; font-size: 13px; font-weight: 600;
    color: var(--text-secondary); transition: all 0.2s;
}
.segment-item input:checked + .segment-box {
    background: #fff; color: var(--accent-fire); box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

/* Range Slider */
.range-wrapper { margin-top: 8px; }
.row-value-top { display: flex; justify-content: flex-end; margin-bottom: 4px; }
.range-val { font-weight: 700; color: var(--accent-fire); font-size: 16px; }

.range-slider {
    width: 100%; -webkit-appearance: none; height: 6px;
    background: #E5E7EB; border-radius: 5px; cursor: pointer;
}
.range-slider::-webkit-slider-thumb {
    -webkit-appearance: none; width: 20px; height: 20px; border-radius: 50%;
    background: var(--accent-fire); cursor: pointer; border: 2px solid #fff;
    box-shadow: 0 2px 6px rgba(0,0,0,0.2); transition: transform 0.1s;
}

/* Checkbox */
.checkbox-row { display: flex; align-items: center; gap: 12px; cursor: pointer; margin-top: 16px; }
.checkbox-row input { display: none; }
.checkbox-box {
    width: 24px; height: 24px; border: 2px solid #D1D5DB; border-radius: 6px;
    display: flex; align-items: center; justify-content: center; color: transparent; transition: all 0.2s;
}
.checkbox-row input:checked + .checkbox-box { background: var(--accent-fire); border-color: var(--accent-fire); color: #fff; }
.checkbox-row span:last-child { font-size: 14px; font-weight: 600; color: var(--text-primary); }


/* --- Результаты (Fire Card) --- */
.card--fire { 
    background: var(--gradient-fire-card); 
    color: #fff; 
    border: none; 
}
.card--fire h2 { color: rgba(255,255,255,0.95); margin-bottom: 20px; font-size: 18px; text-align: center; }

/* Чек-лист */
.receipt-list {
    background: rgba(255,255,255,0.15); border-radius: 16px; padding: 8px 0;
    backdrop-filter: blur(4px); margin-bottom: 24px;
}

.receipt-row {
    display: flex; align-items: center; padding: 12px 16px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}
.receipt-row:last-child { border-bottom: none; }

.r-icon { font-size: 20px; width: 32px; text-align: center; margin-right: 8px; }
.r-name { flex-grow: 1; font-size: 14px; opacity: 0.95; font-weight: 500; }
.r-val { font-size: 16px; font-weight: 700; white-space: nowrap; }

.main-row { background: rgba(0,0,0,0.1); }
.main-row .r-val { font-size: 20px; color: #FEF08A; /* Yellowish */ }

.receipt-divider { height: 4px; background: rgba(0,0,0,0.1); border-top: 1px solid rgba(255,255,255,0.1); border-bottom: 1px solid rgba(255,255,255,0.1); }

/* Подсказка */
.tip-box {
    font-size: 13px; line-height: 1.5; 
    color: #ffffff; 
    background: rgba(0, 0, 0, 0.4); 
    padding: 16px; border-radius: 12px;
}
.tip-box p { margin: 0; color: #ffffff !important; }

/* --- НОВЫЕ ИНФОРМАЦИОННЫЕ БЛОКИ (Адаптация под Fire/BBQ) --- */

.info-wrapper {
    padding: 60px 0 60px 0;
    margin-top: 60px;
    border-top: 1px solid rgba(0,0,0,0.06);
    margin-bottom: 20px;
}

.info-wrapper .container {
    max-width: 800px;
    margin: 0 auto;
}

/* Заголовки с иконками */
.icon-heading {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    margin-bottom: 24px;
    font-size: 24px;
    font-weight: 800;
    color: var(--text-primary);
    line-height: 1.3;
}

.header-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border-radius: 14px;
    background: #fff;
    box-shadow: 0 4px 12px rgba(0,0,0,0.04);
    flex-shrink: 0;
    margin-top: -4px;
}

.header-icon svg { width: 24px; height: 24px; stroke-width: 2px; }

/* Цвета иконок */
.blue-icon svg { color: #2563EB; }
.orange-icon svg { color: #F59E0B; }
.green-icon svg { color: #10B981; }
.red-icon svg { color: #DC2626; } /* Fire */
.yellow-icon svg { color: #EAB308; }

/* Маленькие подзаголовки */
.small-heading {
    margin-top: 40px;
    margin-bottom: 16px;
    font-size: 20px;
}
.small-heading .header-icon { width: 40px; height: 40px; }
.small-heading .header-icon svg { width: 20px; height: 20px; }

.intro-text {
    font-size: 16px;
    color: var(--text-secondary);
    margin-bottom: 32px;
    line-height: 1.6;
}

/* --- Секция Формул --- */
.formulas-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    margin-bottom: 48px;
}

.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: 24px;
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    display: flex;
    flex-direction: column;
}
.formula-card:hover { transform: translateY(-4px); box-shadow: 0 12px 32px rgba(0,0,0,0.08); }

/* Вертикальный хедер (бейдж сверху) */
.formula-header {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 16px;
}

.formula-card h3 {
    margin: 0;
    font-size: 18px;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.3;
}

/* Бейджи */
.badge-blue {
    background: #2563EB; color: #fff;
    padding: 6px 12px; border-radius: 99px;
    font-size: 11px; font-weight: 700;
    text-transform: uppercase; letter-spacing: 0.05em;
    display: inline-block;
}
.badge-green {
    background: #10B981; color: #fff;
    padding: 6px 12px; border-radius: 99px;
    font-size: 11px; font-weight: 700;
    text-transform: uppercase; letter-spacing: 0.05em;
    display: inline-block;
}

.formula-card p {
    font-size: 14px; color: var(--text-secondary);
    margin: 0; line-height: 1.5; font-weight: 500;
}

.math-expression {
    background: #FEF2F2; /* Fire Light */
    border: 1px solid #FEE2E2;
    padding: 12px 16px;
    border-radius: 12px;
    font-weight: 700;
    color: var(--accent-fire); /* Fire Accent */
    text-align: center;
    margin-bottom: 16px;
    font-size: 15px;
}

/* Разделитель */
.soft-divider {
    border: none; height: 1px;
    background: linear-gradient(90deg, transparent, #E5E7EB, transparent);
    margin: 48px 0;
}

/* Описание */
.calc-description p {
    font-size: 16px; line-height: 1.7;
    color: var(--text-secondary); margin-bottom: 24px;
}
.calc-description strong { color: var(--text-primary); }

/* FAQ (Новый стиль под Fire) */
.faq-section .faq-item {
    background: #fff; border: 1px solid #E5E7EB;
    border-radius: 12px; margin-bottom: 12px;
    overflow: hidden; transition: all 0.2s ease;
}

.faq-section .faq-item[open] {
    border-color: var(--accent-fire); 
    box-shadow: 0 4px 20px rgba(220, 38, 38, 0.15); /* Fire Shadow */
}

summary.faq-question {
    padding: 16px 20px; cursor: pointer;
    font-weight: 600; color: var(--text-primary);
    list-style: none; position: relative;
    display: flex; justify-content: space-between;
    align-items: center; transition: background 0.2s;
}

summary.faq-question:hover { background-color: #F9FAFB; }

.faq-section .faq-item[open] summary.faq-question {
    color: var(--accent-fire);
    background: #FEF2F2;
}

.faq-question::after {
    content: '+'; font-size: 20px;
    color: var(--text-secondary); font-weight: 400; line-height: 1;
}
.faq-question .icon-plus { display: none; }

.faq-section .faq-item[open] summary.faq-question::after {
    content: '−'; color: var(--accent-fire);
}

.faq-answer {
    padding: 20px; color: var(--text-secondary);
    line-height: 1.6; font-size: 15px;
}

/* --- МОБИЛЬНАЯ АДАПТАЦИЯ --- */
@media (max-width: 900px) {
    .formulas-grid { grid-template-columns: 1fr; gap: 16px; margin-bottom: 32px; }
    .icon-heading { font-size: 20px; gap: 12px; margin-bottom: 20px; }
    .header-icon { width: 40px; height: 40px; border-radius: 12px; }
    .header-icon svg { width: 20px; height: 20px; }
    
    .formula-card { padding: 24px; text-align: center; align-items: center; }
    .formula-header { align-items: center; width: 100%; }
    .math-expression { width: 100%; max-width: 300px; margin-left: auto; margin-right: auto; }
    
    .info-wrapper { margin-top: 40px; padding-top: 40px; }
}