/* ==========================================================================
   SHELFMC ARTICLES & WIDGETS DESIGN SYSTEM
   Единая таблица стилей для статей, интерактивных блоков и виджетов
   Сайт: https://www.shelfmc.ru/
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. ДИЗАЙН-ТОКЕНЫ (Светлая тема по умолчанию под стиль ShelfMC)
   -------------------------------------------------------------------------- */
:root {
  /* Фоны и поверхности (чистый светлый SaaS-стиль сайта) */
  --smc-bg: #ffffff;
  --smc-bg2: #f8fafc;
  --smc-surface: #ffffff;
  --smc-surface-subtle: #f8fafc;
  --smc-surface-hover: #f1f5f9;
  --smc-border: #e2e8f0;
  --smc-border-active: #94a3b8;
  
  /* Высококонтрастная типографика */
  --smc-text: #0f172a;        /* Slate-900: заголовки и ключевой текст */
  --smc-text2: #334155;       /* Slate-700: основной текст для легкого чтения */
  --smc-text3: #64748b;       /* Slate-500: подписи, сноски, второстепенные метки */
  
  /* Фирменные акценты ShelfMC (голубой #0ea5e9 / синий #0284c7) */
  --smc-accent: #0284c7;
  --smc-accent-l: rgba(14, 165, 233, 0.08);
  --smc-accent-b: rgba(14, 165, 233, 0.25);
  
  /* Статусные цвета с высокой контрастностью на светлом фоне */
  --smc-green: #16a34a;
  --smc-green-l: rgba(22, 163, 74, 0.1);
  --smc-blue: #0ea5e9;
  --smc-orange: #d97706;
  --smc-orange-l: rgba(217, 119, 6, 0.1);
  --smc-red: #dc2626;
  --smc-red-l: rgba(220, 38, 38, 0.1);
  --smc-purple: #9333ea;
  
  /* Шрифты (Source Code Pro уже подключен на shelfmc.ru) */
  --smc-font-mono: 'Source Code Pro', Menlo, Monaco, Consolas, monospace;
  --smc-font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;

  /* Мягкие тени для карточек */
  --smc-shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.04), 0 1px 2px rgba(0, 0, 0, 0.02);
  --smc-shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -2px rgba(0, 0, 0, 0.03);
  --smc-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.06), 0 4px 6px -4px rgba(0, 0, 0, 0.03);
}

/* --------------------------------------------------------------------------
   ТЕМНАЯ ТЕМА (опционально: класс .theme-dark на .smc-article или data-theme="dark")
   -------------------------------------------------------------------------- */
.smc-article.theme-dark,
[data-theme="dark"] .smc-article {
  --smc-bg: #0d0e12;
  --smc-bg2: #14161c;
  --smc-surface: #181b23;
  --smc-surface-subtle: #14161c;
  --smc-surface-hover: #1e222c;
  --smc-border: rgba(255, 255, 255, 0.08);
  --smc-border-active: rgba(255, 255, 255, 0.18);
  
  --smc-text: #f0f3f8;
  --smc-text2: #9ba3b4;
  --smc-text3: #646c7f;
  
  --smc-accent: #38bdf8;
  --smc-accent-l: rgba(56, 189, 248, 0.12);
  --smc-accent-b: rgba(56, 189, 248, 0.28);
  
  --smc-green: #22c55e;
  --smc-green-l: rgba(34, 197, 94, 0.12);
  --smc-blue: #38bdf8;
  --smc-orange: #f59e0b;
  --smc-orange-l: rgba(245, 158, 11, 0.12);
  --smc-red: #ef4444;
  --smc-red-l: rgba(239, 68, 68, 0.12);
  --smc-purple: #a855f7;

  background: var(--smc-bg);
  border-radius: 20px;
  border: 1px solid var(--smc-border);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
  padding: 40px 36px 80px;
}

/* --------------------------------------------------------------------------
   БАЗОВАЯ ОБЕРТКА СТАТЬИ
   -------------------------------------------------------------------------- */
.smc-article {
  max-width: 860px;
  margin: 0 auto;
  padding: 24px 20px 80px;
  font-family: var(--smc-font-sans);
  color: var(--smc-text);
  line-height: 1.75;
  font-size: 16px;
  box-sizing: border-box;
  background-color: transparent;
}

.smc-article *, 
.smc-article *::before, 
.smc-article *::after {
  box-sizing: border-box;
}

/* --------------------------------------------------------------------------
   ТИПОГРАФИКА
   -------------------------------------------------------------------------- */
.smc-article h1 {
  font-size: 34px;
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -0.02em;
  margin: 0 0 18px;
  color: var(--smc-text);
}

.smc-article h2 {
  font-size: 24px;
  font-weight: 800;
  line-height: 1.35;
  letter-spacing: -0.01em;
  margin: 44px 0 18px;
  color: var(--smc-text);
}

.smc-article h3 {
  font-size: 19px;
  font-weight: 700;
  line-height: 1.4;
  margin: 32px 0 14px;
  color: var(--smc-text);
}

.smc-article p {
  margin: 0 0 18px;
  color: var(--smc-text2);
  font-size: 16px;
  line-height: 1.75;
}

.smc-article p strong {
  color: var(--smc-text);
  font-weight: 600;
}

.smc-article .lead {
  font-size: 18px;
  line-height: 1.65;
  color: var(--smc-text);
  margin-bottom: 28px;
  font-weight: 450;
}

.smc-article ul, 
.smc-article ol {
  margin: 0 0 24px 24px;
  padding: 0;
  color: var(--smc-text2);
}

.smc-article li {
  margin-bottom: 10px;
  line-height: 1.65;
}

.smc-article li strong {
  color: var(--smc-text);
  font-weight: 600;
}

/* Бейдж категории над заголовком */
.art-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 11.5px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  color: var(--smc-accent);
  background: var(--smc-accent-l);
  border: 1px solid var(--smc-accent-b);
  padding: 5px 14px;
  border-radius: 20px;
  margin-bottom: 18px;
}

/* ==========================================================================
   1. HERO STAT ROW (Ключевые KPI под заголовком)
   ========================================================================== */
.stat-row {
  display: grid;
  grid-template-columns: repeat(var(--stat-cols, 4), 1fr);
  gap: 14px;
  margin: 28px 0 36px;
}

.stat-box {
  background: var(--smc-surface-subtle);
  border: 1px solid var(--smc-border);
  border-radius: 12px;
  padding: 18px 14px;
  text-align: center;
  box-shadow: var(--smc-shadow-sm);
  transition: transform 0.2s, border-color 0.2s, box-shadow 0.2s;
}

.stat-box:hover {
  border-color: var(--smc-border-active);
  transform: translateY(-2px);
  box-shadow: var(--smc-shadow-md);
}

.stat-val {
  font-family: var(--smc-font-mono);
  font-size: 25px;
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 6px;
}

.stat-lbl {
  font-size: 12px;
  color: var(--smc-text3);
  line-height: 1.4;
  font-weight: 500;
}

/* ==========================================================================
   2. СРАВНИТЕЛЬНЫЕ ШКАЛЫ (Horizontal Bar Chart)
   ========================================================================== */
.cmp-bars {
  background: var(--smc-surface);
  border: 1px solid var(--smc-border);
  border-radius: 14px;
  padding: 24px 26px;
  margin: 28px 0;
  box-shadow: var(--smc-shadow-sm);
}

.cmp-bars-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--smc-text);
  margin-bottom: 18px;
}

.cmp-row {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 14px;
}

.cmp-row:last-of-type {
  margin-bottom: 0;
}

.cmp-row-label {
  width: 175px;
  flex-shrink: 0;
  font-size: 13px;
  color: var(--smc-text2);
  font-weight: 500;
}

.cmp-row-track {
  flex: 1;
  height: 32px;
  background: #f1f5f9;
  border-radius: 8px;
  position: relative;
  display: flex;
  align-items: center;
  overflow: hidden;
  border: 1px solid var(--smc-border);
}

.theme-dark .cmp-row-track,
[data-theme="dark"] .cmp-row-track {
  background: rgba(255, 255, 255, 0.04);
}

.cmp-row-fill {
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  border-radius: 6px;
  opacity: 0.9;
}

.cmp-row-value {
  position: relative;
  z-index: 1;
  margin-left: auto;
  padding-right: 12px;
  font-family: var(--smc-font-mono);
  font-size: 12px;
  font-weight: 700;
  color: var(--smc-text);
}

.cmp-bars-note {
  font-size: 12px;
  color: var(--smc-text3);
  margin-top: 16px;
  border-top: 1px solid var(--smc-border);
  padding-top: 12px;
  line-height: 1.5;
}

/* ==========================================================================
   3. ПОШАГОВЫЙ ТАЙМЛАЙН (Step-by-step Timeline)
   ========================================================================== */
.steps-timeline {
  margin: 32px 0;
}

.step-item {
  display: flex;
  gap: 18px;
  position: relative;
  padding-bottom: 28px;
}

.step-item:last-child {
  padding-bottom: 0;
}

.step-item:not(:last-child)::before {
  content: '';
  position: absolute;
  left: 17px;
  top: 36px;
  bottom: 0;
  width: 2px;
  background: var(--smc-border);
}

.step-marker {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--smc-accent-l);
  border: 2px solid var(--smc-accent-b);
  color: var(--smc-accent);
  font-family: var(--smc-font-mono);
  font-weight: 800;
  font-size: 13.5px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  z-index: 1;
}

.step-content {
  flex: 1;
}

.step-week {
  font-family: var(--smc-font-mono);
  font-size: 11px;
  font-weight: 700;
  color: var(--smc-accent);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 4px;
}

.step-title {
  font-size: 15.5px;
  font-weight: 700;
  color: var(--smc-text);
  margin-bottom: 6px;
}

.step-text {
  font-size: 14px;
  color: var(--smc-text2);
  line-height: 1.65;
}

/* ==========================================================================
   4. КАРТОЧКИ СЦЕНАРИЕВ С ДО/ПОСЛЕ (.case-card)
   ========================================================================== */
.case-card {
  background: var(--smc-surface-subtle);
  border: 1px solid var(--smc-border);
  border-radius: 14px;
  padding: 22px 24px;
  margin: 20px 0;
  box-shadow: var(--smc-shadow-sm);
}

.case-tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  color: var(--smc-accent);
  background: var(--smc-accent-l);
  border: 1px solid var(--smc-accent-b);
  padding: 4px 10px;
  border-radius: 8px;
  margin-bottom: 12px;
}

.case-text {
  font-size: 14.5px;
  color: var(--smc-text2);
  line-height: 1.65;
}

.case-pair {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--smc-border);
  flex-wrap: wrap;
}

.case-before, .case-after {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.case-pair-label {
  font-size: 10.5px;
  color: var(--smc-text3);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-weight: 600;
}

.case-pair-value {
  font-family: var(--smc-font-mono);
  font-size: 15px;
  font-weight: 800;
}

.case-before .case-pair-value {
  color: var(--smc-text3);
  text-decoration: line-through;
}

.case-after .case-pair-value {
  color: var(--smc-green);
}

.case-arrow {
  color: var(--smc-text3);
  font-size: 18px;
}

/* ==========================================================================
   5. КОЛЬЦЕВАЯ ДИАГРАММА / СТАТ-ПЛАШКА (.ring-stat)
   ========================================================================== */
.ring-stat {
  display: flex;
  align-items: center;
  gap: 24px;
  background: var(--smc-surface-subtle);
  border: 1px solid var(--smc-border);
  border-radius: 14px;
  padding: 22px 26px;
  margin: 26px 0;
  box-shadow: var(--smc-shadow-sm);
}

.ring-chart {
  width: 88px;
  height: 88px;
  flex-shrink: 0;
}

/* Коррекция фонового круга SVG на светлом фоне */
.ring-chart circle:first-child {
  stroke: var(--smc-border) !important;
}

.ring-value,
.ring-chart .ring-value {
  font-family: var(--smc-font-mono);
  font-size: 20px;
  font-weight: 800;
  fill: var(--smc-text) !important;
  color: var(--smc-text);
}

.ring-label {
  font-size: 14px;
  color: var(--smc-text2);
  line-height: 1.6;
}

.ring-label strong {
  color: var(--smc-text);
}

/* ==========================================================================
   6. СРАВНИТЕЛЬНЫЕ И ТАРИФНЫЕ ТАБЛИЦЫ
   ========================================================================== */
.cmp-table-wrap {
  overflow-x: auto;
  margin: 28px 0;
  border-radius: 12px;
  border: 1px solid var(--smc-border);
  box-shadow: var(--smc-shadow-sm);
}

.cmp-table, .tariff-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13.5px;
  background: var(--smc-surface);
  text-align: left;
}

.cmp-table th, .tariff-table th {
  background: var(--smc-surface-subtle);
  padding: 14px 18px;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--smc-text3);
  border-bottom: 1px solid var(--smc-border);
  font-weight: 700;
}

.cmp-table td, .tariff-table td {
  padding: 15px 18px;
  border-bottom: 1px solid #f1f5f9;
  color: var(--smc-text2);
  vertical-align: top;
  line-height: 1.55;
}

.theme-dark .cmp-table td,
[data-theme="dark"] .cmp-table td {
  border-bottom: 1px solid var(--smc-border);
}

.cmp-table tr:last-child td, .tariff-table tr:last-child td {
  border-bottom: none;
}

.cmp-table tr:hover td, .tariff-table tr:hover td {
  background-color: var(--smc-surface-hover);
}

.status-yes {
  color: var(--smc-green) !important;
  font-weight: 700;
}

.status-no {
  color: var(--smc-red) !important;
  font-weight: 600;
}

.status-warn {
  color: var(--smc-orange) !important;
  font-weight: 600;
}

.vendor-sub {
  font-size: 11.5px;
  color: var(--smc-text3);
}

/* ==========================================================================
   7. ДАШБОРД БАННЕР И ПУЛЬСИРУЮЩИЙ СТАТУС (.bb-inner)
   ========================================================================== */
.bb-inner {
  background: linear-gradient(135deg, #f0f9ff 0%, #f8fafc 100%);
  border: 1px solid #bae6fd;
  border-radius: 14px;
  padding: 24px 26px;
  margin: 28px 0;
  box-shadow: var(--smc-shadow-sm);
}

.theme-dark .bb-inner,
[data-theme="dark"] .bb-inner {
  background: linear-gradient(135deg, var(--smc-surface) 0%, rgba(24, 27, 35, 0.5) 100%);
  border: 1px solid var(--smc-border);
}

.bb-eyebrow {
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  color: var(--smc-accent);
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.bb-eyebrow-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--smc-green);
  box-shadow: 0 0 8px var(--smc-green);
  display: inline-block;
  animation: smc-pulse 2s infinite;
}

@keyframes smc-pulse {
  0% { transform: scale(0.95); opacity: 0.8; }
  50% { transform: scale(1.15); opacity: 1; }
  100% { transform: scale(0.95); opacity: 0.8; }
}

.bb-title {
  font-size: 17px;
  font-weight: 800;
  color: var(--smc-text);
  margin-bottom: 14px;
}

.bb-stats {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
}

.bb-stat {
  display: flex;
  flex-direction: column;
}

.bb-stat-val {
  font-family: var(--smc-font-mono);
  font-size: 17px;
  font-weight: 800;
  color: var(--smc-accent);
}

.bb-stat-lbl {
  font-size: 11.5px;
  color: var(--smc-text3);
}

.bb-divider {
  width: 1px;
  height: 26px;
  background: var(--smc-border);
}

/* ==========================================================================
   8. ПЛАШКА АКТУАЛЬНОСТИ (.updated-box) И МИКРОЗАГОЛОВОК (.sec-eyebrow)
   ========================================================================== */
.updated-box {
  background: #f0f9ff;
  border-left: 3px solid var(--smc-accent);
  border-radius: 0 10px 10px 0;
  padding: 14px 20px;
  font-size: 13.5px;
  color: #0369a1;
  line-height: 1.6;
  margin: 26px 0;
  border-top: 1px solid #e0f2fe;
  border-right: 1px solid #e0f2fe;
  border-bottom: 1px solid #e0f2fe;
}

.theme-dark .updated-box,
[data-theme="dark"] .updated-box {
  background: rgba(255, 255, 255, 0.02);
  color: var(--smc-text2);
  border-top: none;
  border-right: none;
  border-bottom: none;
}

.sec-eyebrow {
  display: flex;
  align-items: center;
  gap: 6px;
  margin: 38px 0 8px;
  font-size: 12px;
  font-weight: 700;
  color: var(--smc-accent);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* ==========================================================================
   9. FAQ-АККОРДЕОН (.faq-list)
   ========================================================================== */
.faq-list {
  display: grid;
  gap: 14px;
  margin: 28px 0;
}

.faq-item {
  background: var(--smc-surface);
  border: 1px solid var(--smc-border);
  border-radius: 12px;
  padding: 20px 24px;
  box-shadow: var(--smc-shadow-sm);
}

.faq-q {
  font-size: 15.5px;
  font-weight: 700;
  color: var(--smc-text);
  display: flex;
  gap: 12px;
  margin-bottom: 10px;
}

.faq-q-num {
  font-family: var(--smc-font-mono);
  color: var(--smc-accent);
  flex-shrink: 0;
}

.faq-a {
  font-size: 14px;
  color: var(--smc-text2);
  line-height: 1.7;
  padding-left: 30px;
}

/* ==========================================================================
   10. СЕТКА РЕЛЕВАНТНЫХ МАТЕРИАЛОВ (.rel-grid)
   ========================================================================== */
.rel-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin: 34px 0 12px;
}

.rel-card {
  background: var(--smc-surface);
  border: 1px solid var(--smc-border);
  border-radius: 12px;
  padding: 20px 22px;
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
  box-shadow: var(--smc-shadow-sm);
  transition: border-color 0.2s, transform 0.2s, box-shadow 0.2s;
}

.rel-card:hover {
  border-color: var(--smc-accent);
  transform: translateY(-2px);
  box-shadow: var(--smc-shadow-md);
}

.rc-tag {
  font-size: 11px;
  font-weight: 700;
  color: var(--smc-accent);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 8px;
}

.rc-title {
  font-size: 14.5px;
  font-weight: 700;
  color: var(--smc-text);
  line-height: 1.45;
}

/* ==========================================================================
   АДАПТИВНОСТЬ ДЛЯ СМАРТФОНОВ
   ========================================================================== */
@media (max-width: 680px) {
  .smc-article { padding: 20px 16px 60px; font-size: 15px; }
  .smc-article h1 { font-size: 25px; }
  .smc-article h2 { font-size: 20px; }
  .stat-row { grid-template-columns: repeat(2, 1fr); }
  .cmp-row { flex-direction: column; align-items: flex-start; gap: 6px; }
  .cmp-row-label { width: 100%; }
  .cmp-row-track { width: 100%; }
  .ring-stat { flex-direction: column; text-align: center; }
  .rel-grid { grid-template-columns: 1fr; }
  .bb-stats { flex-direction: column; align-items: flex-start; gap: 10px; }
  .bb-divider { display: none; }
  .faq-a { padding-left: 0; }
}