/* calc/assets/css/calculators/running_pace.css */

:root {
    /* Carbon & Volt Palette */
    --bg-carbon: #020617; /* Slate 950 */
    --bg-carbon-card: #0F172A; /* Slate 900 */
    --text-carbon-main: #F8FAFC; /* Slate 50 */
    --text-carbon-muted: #94A3B8; /* Slate 400 */
    
    --accent-volt: #BEF264; /* Lime 300 */
    --accent-volt-dark: #84CC16; /* Lime 500 */
    --accent-volt-glow: rgba(190, 242, 100, 0.2);
    
    --border-carbon: #1E293B; /* Slate 800 */
}

.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; } 
}

/* ФИКС КОНТЕЙНЕРОВ ДЛЯ АДАПТИВНОЙ ВЫСОТЫ */
.calc-inputs, .calc-results { 
    min-width: 0 !important; max-width: 100% !important; box-sizing: border-box !important; 
    overflow: visible !important; height: auto !important; 
}

.group-title { 
    font-size: 14px; font-weight: 800; color: #0F172A; margin: 0 0 16px 0; 
    text-transform: uppercase; letter-spacing: 0.05em; border-bottom: 2px solid #E2E8F0; padding-bottom: 8px;
}
.input-hint { font-size: 13px; color: #64748B; margin-bottom: 16px; line-height: 1.5; margin-top: -8px;}

/* СЕЛЕКТЫ */
.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: #84CC16; box-shadow: 0 0 0 4px rgba(132, 204, 22, 0.2); background: #FFF;}

/* ВВОД ВРЕМЕНИ (Часы:Минуты:Секунды) */
.time-inputs-row {
    display: flex; align-items: center; justify-content: space-between; gap: 12px;
}
.t-input-box {
    display: flex; flex-direction: column; align-items: center; flex: 1;
}
.t-val {
    width: 100%; padding: 16px 0; font-size: 24px; font-weight: 800; text-align: center;
    border: 2px solid #E2E8F0; border-radius: 12px; background: #FFF;
    color: #0F172A; outline: none; transition: all 0.3s; box-sizing: border-box; font-family: monospace;
}
.t-val:focus { border-color: #84CC16; box-shadow: 0 4px 12px rgba(132, 204, 22, 0.15); }
.t-lbl { font-size: 11px; font-weight: 700; color: #64748B; text-transform: uppercase; margin-top: 8px; letter-spacing: 0.05em;}
.t-colon { font-size: 24px; font-weight: 800; color: #94A3B8; margin-top: -24px;}

.info-alert {
    display: flex; align-items: flex-start; gap: 12px;
    padding: 16px; border-radius: 12px; font-size: 13px; line-height: 1.5; 
    border: 1px dashed #CBD5E1; background: #F8FAFC; color: #475569;
}
.info-alert svg { flex-shrink: 0; margin-top: -2px; }

/* Убираем стрелочки у инпутов */
input[type="number"]::-webkit-outer-spin-button,
input[type="number"]::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }
input[type="number"] { -moz-appearance: textfield; }


/* ========================================================
   ПРАВЫЙ БЛОК (CARBON & VOLT - ЯДЕРНЫЙ ФИКС CMS)
   ======================================================== */
div#result-card.card.card--result.card--carbon { 
    background-color: var(--bg-carbon-card) !important; 
    background-image: none !important;
    color: var(--text-carbon-main) !important; 
    border: 1px solid var(--border-carbon) !important; 
    border-radius: 24px !important; 
    box-shadow: 0 20px 40px rgba(0,0,0,0.8), inset 0 1px 0 rgba(255,255,255,0.05) !important;
    overflow: hidden !important; 
    padding: 32px 24px !important; 
    display: flex !important; 
    flex-direction: column !important;
    box-sizing: border-box !important;
    isolation: isolate !important; 
    -webkit-appearance: none !important;
    outline: none !important;
    position: relative !important;
    z-index: 1 !important;
    
    height: auto !important; 
    min-height: max-content !important;
}

div#result-card.card.card--result.card--carbon::before, 
div#result-card.card.card--result.card--carbon::after { display: none !important; content: none !important; background: transparent !important; box-shadow: none !important;}

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

.carbon-title { 
    color: var(--text-carbon-muted); margin: 0 0 24px 0; 
    font-size: 12px; font-weight: 800; letter-spacing: 0.15em; text-transform: uppercase;
}

/* ГЛАВНЫЙ ТЕМП */
.pace-main-block { display: flex; flex-direction: column; gap: 8px; margin-bottom: 32px; align-items: center; text-align: center;}
.pace-value { display: flex; align-items: baseline; justify-content: center; gap: 8px; }
.p-num { font-size: 64px; font-weight: 900; line-height: 1; font-variant-numeric: tabular-nums; letter-spacing: -2px; font-family: monospace;}
.volt-text { color: var(--accent-volt); text-shadow: 0 0 20px var(--accent-volt-glow); }
.p-unit { font-size: 16px; font-weight: 700; color: #94A3B8;}
.speed-value { font-size: 14px; color: #64748B; font-weight: 500;}
.speed-value strong { color: #F8FAFC; }

/* СТРАТЕГИЯ ГОНКИ */
.strategy-board {
    background: #020617; border: 1px solid var(--border-carbon); border-radius: 16px;
    padding: 20px; width: 100%; box-sizing: border-box; margin-top: auto;
}
.str-header { display: flex; align-items: center; gap: 10px; margin-bottom: 8px; }
.str-icon { font-size: 18px; }
.str-title { font-size: 13px; font-weight: 800; color: var(--text-carbon-main); text-transform: uppercase; letter-spacing: 0.05em;}
.str-desc { font-size: 12px; color: #64748B; line-height: 1.5; margin: 0 0 16px 0;}

.split-cards-wrap { display: flex; flex-direction: column; gap: 12px; }
.split-card {
    background: #0F172A; border: 1px solid #1E293B; border-radius: 12px;
    padding: 16px; display: grid; grid-template-columns: 1fr auto; grid-template-rows: auto auto;
    align-items: center; gap: 4px;
}
.active-split { border-color: var(--accent-volt-dark); background: rgba(132, 204, 22, 0.05);}
.sc-label { grid-column: 1 / 2; grid-row: 1 / 2; font-size: 11px; font-weight: 700; color: #94A3B8; text-transform: uppercase;}
.volt-color { color: var(--accent-volt); }
.sc-pace { grid-column: 2 / 3; grid-row: 1 / 3; font-size: 24px; font-weight: 800; color: #F8FAFC; font-family: monospace; text-align: right;}
.sc-unit { font-size: 12px; color: #64748B; font-weight: 600;}
.sc-time { grid-column: 1 / 2; grid-row: 2 / 3; font-size: 13px; color: #64748B; font-weight: 500;}


/* ========================================================
   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; }
.volt-icon-wrap { background: #0F172A; }
.volt-icon-wrap svg { color: var(--accent-volt); }
.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-volt { background: #F7FEE7; color: #4D7C0F; padding: 6px 12px; border-radius: 99px; font-size: 11px; font-weight: 800; text-transform: uppercase; }
.badge-dark { background: #F1F5F9; color: #334155; 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: #84CC16; 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: #4D7C0F; background: #F7FEE7; }
.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: #4D7C0F; }
.faq-answer, .faq-item div[itemprop="text"] { padding: 20px; color: var(--text-secondary); line-height: 1.6; font-size: 15px; }


/* ========================================================
   ИСТИННАЯ МОБИЛЬНАЯ АДАПТАЦИЯ (ДВУХУРОВНЕВАЯ)
   ======================================================== */
@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; }
    
    div#result-card.card.card--result.card--carbon { border-radius: 20px !important; padding: 24px 16px !important; margin-top: 16px !important;}
    
    .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; }
}

@media (max-width: 480px) {
    .icon-heading { font-size: 18px !important; gap: 12px !important; word-break: break-word !important; overflow-wrap: break-word !important; }
    .header-icon { width: 36px !important; height: 36px !important; flex-shrink: 0 !important; }
    .header-icon svg { width: 20px !important; height: 20px !important; }
    
    .p-num { font-size: 48px; }
    .t-val { font-size: 18px; padding: 12px 0;}
    .t-colon { margin-top: -18px; font-size: 18px;}
    .sc-pace { font-size: 20px; }
}