/* ============================================
   BBB2 BUSINESS HUB - ОБЪЕДИНЕННЫЙ CSS
   Версия 1.0 | 8 апреля 2026
   Объединены: design-system.css, style.css, components.css, content-styles.css, bottom-nav.css
   Удалены дублирующиеся стили
   ============================================ */

/* ==================== ИМПОРТ ШРИФТА ==================== */
@import url('https://fonts.googleapis.com/css2?family=Inter+Tight:ital,wght@0,400;0,500;0,600;0,700;1,400;1,500&display=swap');

/* ==================== ДИЗАЙН-СИСТЕМА (CSS переменные) ==================== */
:root {
  /* ===== ЦВЕТА (Color Palette) ===== */
  --color-primary: #3D93E3;
  --color-primary-hover: #2E5B9A;
  --color-primary-active: #1E3A6F;
  --color-accent: #FFD900;
  --color-accent-hover: #E6C300;
  --color-accent-active: #CCAD00;
  --color-surface-primary: #FFFFFF;
  --color-surface-secondary: #EFEAE2;
  --color-surface-tertiary: #E4DACA;
  --color-surface-inverse: #282828;
  --color-text-primary: #282828;
  --color-text-secondary: #969696;
  --color-text-tertiary: #666666;
  --color-text-inverse: #FFFFFF;
  --color-text-link: #3D93E3;
  --color-text-success: #00A86B;
  --color-text-warning: #FF9500;
  --color-text-error: #FF3B30;
  --color-border-primary: #E4DACA;
  --color-border-secondary: #D4C9B8;
  --color-border-focus: #3D93E3;
  
  /* ===== ТЕНИ ===== */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 2px 8px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 4px 16px rgba(0, 0, 0, 0.15);
  --shadow-xl: 0 8px 32px rgba(0, 0, 0, 0.2);
  
  /* ===== ТИПОГРАФИКА ===== */
  --font-family-base: 'Inter Tight', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-family-mono: 'SF Mono', 'Roboto Mono', 'Courier New', monospace;
  --font-size-xs: 12px;
  --font-size-sm: 14px;
  --font-size-base: 16px;
  --font-size-lg: 20px;
  --font-size-xl: 24px;
  --font-size-2xl: 36px;
  --font-size-3xl: 48px;
  --font-size-14: 14px;
  --font-size-16: 16px;
  --font-size-20: 20px;
  --font-size-24: 24px;
  --font-size-36: 36px;
  --line-height-tight: 1.2;
  --line-height-base: 1.5;
  --line-height-relaxed: 1.75;
  --line-height-14: 14px;
  --line-height-16: 16px;
  --line-height-20: 20px;
  --line-height-24: 24px;
  --line-height-39-6: 39.60px;
  --line-height-26-4: 26.40px;
  --line-height-22-4: 22.40px;
  --letter-spacing-tight: -0.01em;
  --letter-spacing-base: 0;
  --letter-spacing-wide: 0.01em;
  --letter-spacing-0-16: 0.16px;
  --letter-spacing-0-28: 0.28px;
  --letter-spacing-0-32: 0.32px;
  --letter-spacing-0-40: 0.40px;
  --letter-spacing-0-48: 0.48px;
  --letter-spacing-0-72: 0.72px;
  --font-weight-regular: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  
  /* ===== ОТСТУПЫ ===== */
  --spacing-1: 4px;
  --spacing-2: 8px;
  --spacing-3: 12px;
  --spacing-4: 16px;
  --spacing-5: 20px;
  --spacing-6: 24px;
  --spacing-7: 28px;
  --spacing-8: 32px;
  --spacing-9: 36px;
  --spacing-10: 40px;
  --spacing-11: 44px;
  --spacing-12: 48px;
  --spacing-13: 52px;
  --spacing-14: 56px;
  --spacing-15: 60px;
  --spacing-16: 64px;
  --spacing-17: 68px;
  --spacing-18: 72px;
  --spacing-19: 76px;
  --spacing-20: 80px;
  
  /* ===== СКОРНЕРЫ ===== */
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --radius-full: 999px;
  --radius-7: 7px;
  --radius-8: 8px;
  --radius-12: 12px;
  --radius-16: 16px;
  --radius-33: 33px;
  --radius-99: 99px;
  
  /* ===== АНИМАЦИИ ===== */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 350ms ease;
  
  /* ===== Z-ИНДЕКСЫ ===== */
  --z-index-dropdown: 1000;
  --z-index-sticky: 1020;
  --z-index-fixed: 1030;
  --z-index-modal-backdrop: 1040;
  --z-index-modal: 1050;
  --z-index-popover: 1060;
  --z-index-tooltip: 1070;
}

/* ==================== ТЕМНАЯ ТЕМА ==================== */
@media (prefers-color-scheme: dark) {
  :root {
    --color-surface-primary: #1a1a1a;
    --color-surface-secondary: #2a2a2a;
    --color-surface-tertiary: #3a3a3a;
    --color-text-primary: #ffffff;
    --color-text-secondary: #cccccc;
    --color-border-primary: #444444;
  }
}

/* ==================== ВЫСОКИЙ КОНТРАСТ ==================== */
@media (prefers-contrast: high) {
  :root {
    --color-primary: #0000ff;
    --color-accent: #ffff00;
    --color-text-primary: #000000;
    --color-border-primary: #000000;
  }
}

/* ==================== УМЕНЬШЕННАЯ АНИМАЦИЯ ==================== */
@media (prefers-reduced-motion: reduce) {
  :root {
    --transition-fast: 0ms;
    --transition-base: 0ms;
    --transition-slow: 0ms;
  }
}

/* ==================== БАЗОВЫЕ СТИЛИ ==================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html, body {
    height: 100%;
}

body {
    font-family: var(--font-family-base);
    background: #f5f5f5;
    color: var(--color-text-primary);
    line-height: 1.6;
    font-size: var(--font-size-base);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    letter-spacing: 0.02em;
}

/* ==================== КОНТЕЙНЕРЫ ==================== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

/* ==================== УТИЛИТЫ ==================== */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }
.hidden { display: none; }
.visible { display: block; }
.flex { display: flex; }
.grid { display: grid; }
.block { display: block; }
.inline-block { display: inline-block; }

/* ==================== ССЫЛКИ ==================== */
a {
    color: var(--color-text-link);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--color-primary-hover);
    text-decoration: underline;
}

/* ==================== КНОПКИ ==================== */
.btn {
    display: inline-block;
    padding: 10px 20px;
    background: var(--color-primary);
    color: white;
    border: none;
    border-radius: var(--radius-sm);
    font-weight: var(--font-weight-medium);
    cursor: pointer;
    transition: background-color var(--transition-fast);
}

.btn:hover {
    background: var(--color-primary-hover);
    text-decoration: none;
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--color-primary);
    color: var(--color-primary);
}

.btn-outline:hover {
    background: var(--color-primary);
    color: white;
}

/* ==================== ИЗОБРАЖЕНИЯ ==================== */
img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* ==================== СПИСКИ ==================== */
ul, ol {
    list-style: none;
    margin: 0;
    padding: 0;
}
/* ==================== СТИЛИ КОНТЕНТА ==================== */
.post-content {
  margin-bottom: var(--spacing-10);
  font-family: var(--font-family-base);
  color: var(--color-text-primary);
  max-width: 100%;
  overflow-wrap: break-word;
  word-wrap: break-word;
  hyphens: auto;
}

/* Заголовки в контенте */
.post-content h1,
.post-content h2,
.post-content h3,
.post-content h4,
.post-content h5,
.post-content h6 {
  font-family: var(--font-family-base);
  color: var(--color-text-primary);
  margin: var(--spacing-6) 0 var(--spacing-4) 0;
  line-height: 1.3;
}

.post-content h2 {
  font-size: var(--font-size-24);
  font-weight: var(--font-weight-semibold);
  letter-spacing: var(--letter-spacing-0-48);
}

.post-content h3 {
  font-size: var(--font-size-20);
  font-weight: var(--font-weight-semibold);
  letter-spacing: var(--letter-spacing-0-40);
}

/* Таблицы в контенте */
.post-content table {
  width: 100%;
  border-collapse: collapse;
  margin: var(--spacing-6) 0;
  border-radius: var(--radius-sm);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  font-size: var(--font-size-16);
  line-height: var(--line-height-base);
}

.post-content thead {
  background: var(--color-primary);
  color: var(--color-text-inverse);
}

.post-content th {
  padding: var(--spacing-3) var(--spacing-4);
  text-align: left;
  font-weight: var(--font-weight-semibold);
  font-size: var(--font-size-16);
  border-bottom: 2px solid var(--color-primary-hover);
}

.post-content td {
  padding: var(--spacing-3) var(--spacing-4);
  border-bottom: 1px solid var(--color-border-primary);
  font-size: var(--font-size-16);
  vertical-align: top;
}

.post-content tbody tr:nth-child(even) {
  background-color: var(--color-surface-secondary);
}

.post-content tbody tr:hover {
  background-color: var(--color-surface-tertiary);
}

/* Списки в контенте */
.post-content ul,
.post-content ol {
  color: var(--color-text-primary);
  font-size: var(--font-size-16);
  line-height: var(--line-height-22-4);
  margin: 0 0 var(--spacing-4) var(--spacing-6);
  padding: 0;
}

.post-content ul {
  list-style: none;
  counter-reset: list-counter;
}

.post-content ul li {
  position: relative;
  margin-bottom: var(--spacing-2);
}

.post-content ul li::before {
  content: '•';
  color: var(--color-primary);
  font-weight: var(--font-weight-bold);
  display: inline-block;
  width: 1em;
  margin-left: -1em;
  position: absolute;
  left: -1em;
}

.post-content ol {
  list-style: none;
  counter-reset: list-counter;
}

.post-content ol li {
  counter-increment: list-counter;
  padding-left: var(--spacing-2);
  position: relative;
  margin-bottom: var(--spacing-2);
}

.post-content ol li::before {
  content: counter(list-counter) '.';
  color: var(--color-primary);
  font-weight: var(--font-weight-semibold);
  display: inline-block;
  width: 1.5em;
  margin-left: -1.5em;
  text-align: right;
  position: absolute;
  left: -1.5em;
}

/* Вложенные списки */
.post-content ul ul,
.post-content ol ol,
.post-content ul ol,
.post-content ol ul {
  margin-top: var(--spacing-2);
  margin-bottom: var(--spacing-2);
  margin-left: var(--spacing-6);
}

/* Цитаты */
.post-content blockquote {
  border-left: 4px solid var(--color-primary);
  padding-left: var(--spacing-5);
  margin: var(--spacing-6) 0;
  font-style: italic;
  color: var(--color-text-tertiary);
  background-color: var(--color-surface-secondary);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  padding: var(--spacing-4) var(--spacing-5);
}

/* Код */
.post-content code {
  font-family: var(--font-family-mono);
  font-size: var(--font-size-sm);
  background-color: var(--color-surface-tertiary);
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  color: var(--color-text-primary);
}

.post-content pre {
  background-color: var(--color-surface-inverse);
  color: var(--color-text-inverse);
  padding: var(--spacing-4);
  border-radius: var(--radius-sm);
  overflow-x: auto;
  margin: var(--spacing-4) 0;
}

.post-content pre code {
  background: none;
  padding: 0;
}

/* Инфо-боксы */
.info-box,
.tip-box,
.warning-box {
  padding: var(--spacing-4);
  border-radius: var(--radius-sm);
  margin: var(--spacing-4) 0;
  border-left: 4px solid;
}

.info-box {
  background-color: rgba(61, 147, 227, 0.1);
  border-left-color: var(--color-primary);
}

.tip-box {
  background-color: rgba(0, 168, 107, 0.1);
  border-left-color: var(--color-text-success);
}

.warning-box {
  background-color: rgba(255, 149, 0, 0.1);
  border-left-color: var(--color-text-warning);
}

/* Адаптивность для контента */
@media (max-width: 768px) {
  .post-content {
    font-size: var(--font-size-base);
    line-height: var(--line-height-relaxed);
    overflow-x: hidden;
  }
  
  .post-content h2 {
    font-size: var(--font-size-20);
    line-height: var(--line-height-24);
    word-break: break-word;
  }
  
  .post-content h3 {
    font-size: var(--font-size-18);
    word-break: break-word;
  }
  
  .post-content ul,
  .post-content ol {
    margin-left: var(--spacing-4);
    overflow-x: hidden;
  }
  
  .post-content table {
    display: block;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    max-width: 100vw;
    margin-left: -16px;
    margin-right: -16px;
    padding: 0 16px;
  }
  
  .post-content th,
  .post-content td {
    padding: var(--spacing-2) var(--spacing-3);
    font-size: var(--font-size-sm);
    min-width: 100px;
  }
  
  .post-content img {
    max-width: 100%;
    height: auto;
  }
  
  .post-content pre,
  .post-content code {
    overflow-x: auto;
    max-width: 100%;
  }
}

@media (max-width: 480px) {
  .post-content {
    font-size: var(--font-size-sm);
    padding: 0 8px;
  }
  
  .post-content h2 {
    font-size: var(--font-size-18);
    line-height: var(--line-height-22);
    word-break: break-word;
  }
  
  .post-content h3 {
    font-size: var(--font-size-16);
    word-break: break-word;
  }
  
  .post-content ul,
  .post-content ol {
    margin-left: var(--spacing-3);
    padding-right: 8px;
  }
  
  .post-content blockquote {
    padding-left: var(--spacing-3);
    font-size: var(--font-size-sm);
    margin-left: 0;
    margin-right: 0;
  }
  
  .post-content table {
    margin-left: -8px;
    margin-right: -8px;
    padding: 0 8px;
  }
  
  .post-content th,
  .post-content td {
    padding: 8px 10px;
    font-size: 12px;
    min-width: 80px;
  }
}

/* ==================== МОБИЛЬНАЯ НАВИГАЦИЯ ==================== */
.bottom-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--color-surface-primary);
  border-top: 1px solid var(--color-border-primary);
  padding: 8px 0;
  z-index: var(--z-index-fixed);
  display: none;
}

.bottom-nav-list {
  display: flex;
  justify-content: space-around;
  align-items: center;
  list-style: none;
  margin: 0;
  padding: 0;
}

.bottom-nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-decoration: none;
  color: var(--color-text-secondary);
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.bottom-nav-item.active {
  color: var(--color-primary);
  background-color: rgba(61, 147, 227, 0.1);
}

.bottom-nav-icon {
  width: 24px;
  height: 24px;
  margin-bottom: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.bottom-nav-label {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
}

/* Показываем мобильную навигацию только на мобильных */
@media (max-width: 768px) {
  .bottom-nav {
    display: block;
  }
}

/* Адаптивность для мобильной навигации */
@media (max-width: 480px) {
  .bottom-nav {
    padding: 6px 0;
  }
  
  .bottom-nav-item {
    padding: 2px 4px;
  }
  
  .bottom-nav-label {
    font-size: 10px;
  }
}