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

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

/* Сетка */
.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: 16px; }
.input-group { margin-bottom: 16px; }
.input-group label { display: block; font-size: 14px; font-weight: 600; margin-bottom: 6px; color: var(--text-primary); }

.input-wrapper { 
    position: relative; display: flex; align-items: center; width: 100%; 
}

.input-wrapper input, .drink-select, .drink-vol {
    width: 100%; padding: 12px 16px; padding-right: 40px;
    font-size: 16px; font-weight: 500;
    border: 1px solid #E5E7EB; border-radius: 12px;
    outline: none; transition: border 0.2s;
    font-family: var(--font-main); box-sizing: border-box;
}

.input-wrapper input:focus, .drink-select:focus, .drink-vol:focus { 
    border-color: var(--accent-red); box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.15); 
}

.suffix, .currency { 
    position: absolute; right: 16px; top: 50%; transform: translateY(-50%);
    color: var(--text-secondary); pointer-events: none; 
    font-size: 16px; font-weight: 500;
}

.row-2-col { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.divider { border: 0; border-top: 1px solid #E5E7EB; margin: 20px 0; }

/* Пол */
.gender-switch { display: flex; gap: 8px; }
.g-option { flex: 1; cursor: pointer; }
.g-option input { display: none; }
.g-option span {
    display: flex; align-items: center; justify-content: center; height: 46px;
    border: 1px solid #E5E7EB; border-radius: 12px; font-weight: 600; color: var(--text-secondary);
    transition: all 0.2s;
}
.g-option input:checked + span {
    border-color: var(--accent-red); background: var(--accent-red-light); color: var(--accent-red);
}

/* Добавление напитков */
.add-drink-row { display: grid; grid-template-columns: 2fr 1fr auto; gap: 8px; }
.drink-select { padding: 10px; font-size: 14px; cursor: pointer; background: #fff; }
.drink-vol { padding: 10px; }
.add-btn {
    width: 46px; border: none; background: var(--accent-red); color: #fff;
    border-radius: 12px; font-size: 24px; cursor: pointer; transition: 0.2s;
    display: flex; align-items: center; justify-content: center; padding: 0;
}
.add-btn:hover { background: #B91C1C; }

/* Список напитков */
.drinks-list { margin-top: 12px; display: flex; flex-direction: column; gap: 8px; }
.empty-state { text-align: center; color: var(--text-secondary); font-size: 13px; opacity: 0.7; padding: 10px; }

.drink-item {
    display: flex; justify-content: space-between; align-items: center;
    background: #F9FAFB; padding: 8px 12px; border-radius: 10px; font-size: 14px;
}
.drink-name { font-weight: 600; }
.drink-remove { cursor: pointer; color: var(--text-secondary); padding: 4px; font-size: 18px; line-height: 1; }
.drink-remove:hover { color: var(--accent-red); }

/* Результаты (Red Card) */
.card--red { background: var(--gradient-red-card); color: #fff; border: none; }

.card--red h2 { 
    color: rgba(255,255,255,0.95); margin-bottom: 16px; font-size: 18px; font-weight: 700;
}
@media (min-width: 900px) { .sticky-card { position: sticky; top: 24px; } }

.big-result {
    font-size: 56px; font-weight: 800; line-height: 1; margin-bottom: 20px;
    display: flex; align-items: baseline; gap: 8px; white-space: nowrap;
}
.big-result small { font-size: 20px; opacity: 0.8; }

.sober-time-box {
    display: flex; align-items: flex-start; gap: 12px;
    background: rgba(255,255,255,0.15); padding: 12px; border-radius: 12px;
    backdrop-filter: blur(4px); margin-bottom: 16px;
}
.sober-icon { font-size: 20px; line-height: 1.4; }
.sober-info { display: flex; flex-direction: column; line-height: 1.3; min-width: 0; }
.sober-info span { font-size: 12px; opacity: 0.9; margin-bottom: 2px; }
.sober-info strong { font-size: 16px; color: #fff; white-space: normal; }

.details-list { margin-bottom: 16px; display: flex; flex-direction: column; gap: 8px; }
.detail-row {
    display: flex; justify-content: space-between; align-items: center;
    border-bottom: 1px solid rgba(255,255,255,0.2); 
    padding-bottom: 8px; font-size: 14px;
}
.detail-row:last-child { border-bottom: none; }
.detail-row strong { font-size: 16px; font-weight: 700; text-align: right; }

.summary-divider { height: 1px; background: rgba(255,255,255,0.2); margin: 16px 0; }

.tip-box {
    font-size: 12px; line-height: 1.4; color: #ffffff;
    background: rgba(255, 255, 255, 0.15); padding: 12px; border-radius: 12px;
    backdrop-filter: blur(4px); margin-top: 12px;
}
.tip-box p { margin: 0; color: rgba(255, 255, 255, 0.95); }
.tip-box strong { font-weight: 700; color: #fff; }


/* --- НОВЫЕ ИНФОРМАЦИОННЫЕ БЛОКИ --- */

.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; } /* Красный для алкоголя */

/* 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: var(--shadow-soft);
    border-radius: var(--radius-lg); 
    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: var(--shadow-hover); }

/* 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: #F9FAFB;
    border: 1px solid #E5E7EB;
    padding: 12px 16px;
    border-radius: 12px;
    font-weight: 700;
    color: var(--accent-red); /* Красный акцент */
    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 (Стиль Alcohol) */
.faq-alcohol-style .faq-item {
    background: #fff; border: 1px solid #E5E7EB;
    border-radius: 12px; margin-bottom: 12px;
    overflow: hidden; transition: all 0.2s ease;
}

.faq-alcohol-style .faq-item[open] {
    border-color: var(--accent-red); 
    box-shadow: 0 4px 20px rgba(220, 38, 38, 0.1);
}

.faq-alcohol-style 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;
}

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

.faq-alcohol-style .faq-item[open] summary.faq-question {
    color: var(--accent-red);
    background: var(--accent-red-light);
}

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

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

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

/* --- МОБИЛЬНАЯ АДАПТАЦИЯ --- */
@media (max-width: 900px) {
    /* Сетка в 1 колонку */
    .formulas-grid { grid-template-columns: 1fr; gap: 16px; margin-bottom: 32px; }
    
    /* Уменьшаем шрифты */
    .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; }
    
    /* Центрирование контента карточки */
    .formula-card { 
        padding: 24px; 
        text-align: center; 
        align-items: center; 
    }

    .formula-header {
        align-items: center;
        width: 100%;
    }

    /* Блок с формулой по центру */
    .math-expression {
        width: 100%;
        max-width: 300px;
        margin-left: auto;
        margin-right: auto;
    }

    .info-wrapper { margin-top: 40px; padding-top: 40px; }
}