/* calc/assets/css/calculators/npk_fertilizer.css */

:root {
    /* Agro Lab Palette */
    --bg-agro-card: #FFFFFF; 
    --text-agro-main: #0F172A; 
    --text-agro-muted: #64748B; 
    
    --color-n: #22C55E; /* Green (Nitrogen) */
    --color-p: #F97316; /* Orange (Phosphorus) */
    --color-k: #A855F7; /* Purple (Potassium) */
    
    --border-agro: #E2E8F0; 
}

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

/* СИММЕТРИЧНАЯ СЕТКА 50/50 */
.calc-grid { 
    display: grid !important; grid-template-columns: 1fr; gap: 24px; align-items: start; 
    width: 100%; box-sizing: border-box; 
}
@media (min-width: 900px) { 
    .calc-grid { grid-template-columns: 1fr 1fr !important; } 
}

.calc-inputs, .calc-results { 
    min-width: 0 !important; max-width: 100% !important; box-sizing: border-box !important; overflow: hidden !important; 
}

/* ЗАЩИТА ОТ БЕЛЫХ УГЛОВ КАРТОЧКИ CMS */
.calc-results { background: transparent !important; border: none !important; }

.group-title { 
    font-size: 14px; font-weight: 800; color: #171717; margin: 0 0 16px 0; 
    text-transform: uppercase; letter-spacing: 0.05em; border-bottom: 2px solid #E2E8F0; padding-bottom: 8px;
}

/* СЕЛЕКТ */
.calc-select-wrap { position: relative; width: 100%; }
.calc-select {
    width: 100%; padding: 14px 16px; font-size: 15px; font-weight: 600;
    border: 2px solid #E2E8F0; border-radius: 12px;
    background: #F8FAFC; outline: none; transition: all 0.3s;
    font-family: inherit; color: #0F172A; box-sizing: border-box; cursor: pointer;
}
.calc-select:focus { border-color: #3B82F6; box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.15); background: #FFF;}

/* КАРТОЧКИ ФАЗ РОСТА */
.stage-selector {
    display: grid; grid-template-columns: 1fr; gap: 10px;
}
.stage-card { cursor: pointer; }
.stage-card input { display: none; }
.stage-content {
    display: flex; align-items: center; gap: 14px; padding: 12px 16px;
    background: #F8FAFC; border: 2px solid #E2E8F0; border-radius: 12px;
    transition: all 0.2s;
}
.stage-card:hover .stage-content { border-color: #CBD5E1; background: #FFF; }
.stage-card input:checked + .stage-content {
    border-color: #3B82F6; background: #EFF6FF;
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.15);
}
.s-icon { font-size: 24px; line-height: 1;}
.s-name { font-size: 14px; font-weight: 700; color: #1E293B; transition: color 0.2s;}
.stage-card input:checked + .stage-content .s-name { color: #1D4ED8; }

.info-alert {
    display: flex; align-items: flex-start; gap: 12px;
    padding: 16px; border-radius: 12px; font-size: 13px; line-height: 1.5; border: 1px solid;
}
.info-alert svg { flex-shrink: 0; margin-top: -2px; }


/* ========================================================
   ПРАВЫЙ БЛОК (СВЕТЛАЯ ЛАБОРАТОРИЯ)
   ======================================================== */
#result-card.card--agro-lab { 
    background-color: var(--bg-agro-card) !important; 
    background-image: none !important;
    color: var(--text-agro-main) !important; 
    border: 1px solid var(--border-agro) !important; 
    border-radius: 24px !important;
    box-shadow: 0 16px 40px -8px rgba(0,0,0,0.1) !important;
    overflow: hidden !important; 
    padding: 32px 24px !important; 
    display: flex !important; 
    flex-direction: column !important;
    align-items: center !important;
    box-sizing: border-box !important;
    isolation: isolate !important; 
    -webkit-appearance: none !important;
    outline: none !important;
}
#result-card.card--agro-lab::before, 
#result-card.card--agro-lab::after { display: none !important; content: none !important; background: transparent !important;}

@media (min-width: 900px) { .sticky-card { position: sticky; top: 24px; } }

.agro-title { 
    color: var(--text-agro-muted); margin: 0 0 16px 0; 
    font-size: 12px; text-align: center; 
    font-weight: 800; letter-spacing: 0.15em; text-transform: uppercase;
}

.npk-ratio-display {
    font-size: 56px; font-weight: 900; color: #0F172A; letter-spacing: 4px;
    margin-bottom: 8px; line-height: 1; font-variant-numeric: tabular-nums; text-align: center;
}
.npk-desc {
    font-size: 14px; font-weight: 500; color: #475569; text-align: center;
    max-width: 90%; margin-bottom: 32px; line-height: 1.5;
}

/* ГРАФИКИ СТОЛБЦЫ */
.npk-charts {
    display: flex; justify-content: center; gap: 40px; height: 200px; width: 100%;
    border-bottom: 2px solid var(--border-agro); padding-bottom: 16px; margin-bottom: 24px;
}
.chart-col { display: flex; flex-direction: column; align-items: center; justify-content: flex-end; gap: 12px; width: 60px;}

.chart-bar-wrap { 
    height: 100%; width: 40px; display: flex; flex-direction: column; justify-content: flex-end; align-items: center; position: relative;
    background: #F1F5F9; border-radius: 8px; overflow: hidden;
}
.chart-bar { width: 100%; border-radius: 8px; transition: height 0.6s cubic-bezier(0.4, 0, 0.2, 1); position: relative; display: flex; justify-content: center;}
.chart-pct { position: absolute; bottom: 8px; font-size: 12px; font-weight: 800; color: #FFF; text-shadow: 0 1px 2px rgba(0,0,0,0.5);}

.bar-n { background: linear-gradient(180deg, #4ADE80, #16A34A); }
.bar-p { background: linear-gradient(180deg, #FB923C, #EA580C); }
.bar-k { background: linear-gradient(180deg, #C084FC, #9333EA); }

.chart-label { display: flex; flex-direction: column; align-items: center; gap: 4px;}
.element-letter { font-size: 24px; font-weight: 900; line-height: 1;}
.color-n { color: var(--color-n); }
.color-p { color: var(--color-p); }
.color-k { color: var(--color-k); }
.element-name { font-size: 11px; font-weight: 700; color: var(--text-agro-muted); text-transform: uppercase;}

/* ИСТОЧНИКИ */
.sources-box { width: 100%; background: #F8FAFC; border-radius: 12px; padding: 16px; border: 1px solid var(--border-agro);}
.source-title { font-size: 12px; font-weight: 800; color: #475569; margin-bottom: 12px; text-transform: uppercase;}
.source-list { display: flex; flex-direction: column; gap: 8px;}
.src-tag { font-size: 12px; font-weight: 600; padding: 6px 12px; border-radius: 6px; display: flex; align-items: center;}
.src-tag::before { content: ''; display: inline-block; width: 8px; height: 8px; border-radius: 50%; margin-right: 8px; }

.src-n { background: #DCFCE7; color: #166534; }
.src-n::before { background: var(--color-n); }

.src-p { background: #FFEDD5; color: #9A3412; }
.src-p::before { background: var(--color-p); }

.src-k { background: #F3E8FF; color: #6B21A8; }
.src-k::before { background: var(--color-k); }


/* ========================================================
   SEO ИНФОБЛОКИ И ТАБЛИЦЫ
   ======================================================== */
.info-wrapper { padding: 60px 0; margin-top: 60px; border-top: 1px solid rgba(0,0,0,0.06); margin-bottom: 20px; }
.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; }
.blue-icon svg { color: #3B82F6; }
.slate-icon svg { color: #64748B; }

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

.formulas-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin-bottom: 48px; width: 100%; box-sizing: border-box;}
.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; display: flex; flex-direction: column; min-width: 0; max-width: 100%; box-sizing: border-box;}
.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; }

.badge-n { background: #DCFCE7; color: #166534; padding: 6px 12px; border-radius: 99px; font-size: 11px; font-weight: 800; text-transform: uppercase; }
.badge-p { background: #FFEDD5; color: #9A3412; padding: 6px 12px; border-radius: 99px; font-size: 11px; font-weight: 800; text-transform: uppercase; }
.formula-card p { font-size: 14px; color: var(--text-secondary); margin: 0; line-height: 1.5; font-weight: 500; }

.soft-divider { border: none; height: 1px; background: linear-gradient(90deg, transparent, #E2E8F0, transparent); margin: 48px 0; }

.seo-table-container { background: #fff; border: 1px solid #E2E8F0; border-radius: 16px; padding: 24px; margin-bottom: 40px; box-shadow: 0 4px 15px rgba(0,0,0,0.02); width: 100%; box-sizing: border-box; overflow: hidden; }
.seo-table-container h3 { margin-top: 0; margin-bottom: 20px; font-size: 18px; }
.seo-table { width: 100%; border-collapse: collapse; text-align: left; }
.seo-table th { background: #F8FAFC; padding: 12px 16px; font-weight: 700; border-bottom: 2px solid #E2E8F0; color: #475569;}
.seo-table td { padding: 16px; border-bottom: 1px solid #E2E8F0; font-weight: 500; color: #0F172A;}
.seo-table tr:last-child td { border-bottom: none; }

.faq-section .faq-item { background: #fff; border: 1px solid #E2E8F0; border-radius: 12px; margin-bottom: 12px; overflow: hidden; transition: all 0.2s ease; }
.faq-section .faq-item[open] { border-color: #3B82F6; box-shadow: 0 4px 15px rgba(0,0,0,0.05); }
summary.faq-question { padding: 16px 20px; cursor: pointer; font-weight: 600; color: var(--text-primary); list-style: none; display: flex; justify-content: space-between; align-items: center; transition: background 0.2s; }
summary.faq-question:hover { background-color: #F8FAFC; }
.faq-section .faq-item[open] summary.faq-question { color: #1D4ED8; background: #EFF6FF; }
.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: #1D4ED8; }
.faq-answer, .faq-item div[itemprop="text"] { padding: 20px; color: var(--text-secondary); line-height: 1.6; font-size: 15px; }

@media (max-width: 900px) {
    .calc-grid { display: flex !important; flex-direction: column !important; gap: 16px !important; }
    .formulas-grid { grid-template-columns: 1fr !important; gap: 16px !important; margin-bottom: 32px !important; }
    
    #result-card.card--agro-lab { border-radius: 16px !important; padding: 24px 16px !important; margin-top: 16px !important;}
    
    .npk-charts { gap: 20px; }
    
    .seo-table-container { padding: 16px !important; width: 100% !important; box-sizing: border-box !important;}
    .seo-table { display: block !important; width: 100% !important; overflow-x: auto !important; -webkit-overflow-scrolling: touch !important; }
    .seo-table thead, .seo-table tbody { display: table !important; width: 100% !important; min-width: 500px !important; }
    .seo-table th, .seo-table td { padding: 12px !important; font-size: 13px !important; white-space: normal !important; }
}