/* ============================================================
   AGREGATOR — Полный CSS с AI-расширениями (КРОССБРАУЗЕРНАЯ ВЕРСИЯ)
   Тёмная + светлая темы, адаптив, гистограмма с датами,
   логотип-плашка в сайдбаре, бегущая строка, AI-виджеты
   Версия: 4.0 - Adaptive Ticker + Accessibility
   ============================================================ */

/* ---------- ПЕРЕМЕННЫЕ ---------- */
:root {
  --font-sans: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Inter", "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: "SF Mono", "JetBrains Mono", "Fira Code", "Cascadia Code", Consolas, monospace;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-pill: 100px;
  --transition-fast: 0.2s ease;
  --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ========== ТЁМНАЯ ТЕМА ========== */
[data-theme="dark"] {
  --bg-primary: #0a0e14;
  --bg-secondary: #131820;
  --bg-card: rgba(20, 26, 36, 0.8);
  --bg-card-solid: #131820;
  --border-card: rgba(255, 255, 255, 0.06);
  --text-primary: #e6edf3;
  --text-secondary: #8b949e;
  --accent-green: #3fb950;
  --accent-red: #f85149;
  --accent-blue: #58a6ff;
  --accent-purple: #bc8cff;
  --accent-yellow: #d2991d;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.5);
  --ticker-bg: #131820;
  --card-hover-bg: rgba(255, 255, 255, 0.05);
  --hero-orb-opacity: 0.35;
  --grid-line-color: rgba(255, 255, 255, 0.03);
  --ai-badge-bg: rgba(88, 166, 255, 0.15);
  --ai-badge-color: #58a6ff;
}

/* ========== СВЕТЛАЯ ТЕМА ========== */
[data-theme="light"] {
  --bg-primary: #f8fafc;
  --bg-secondary: #ffffff;
  --bg-card: rgba(255, 255, 255, 0.9);
  --bg-card-solid: #ffffff;
  --border-card: rgba(0, 0, 0, 0.08);
  --text-primary: #1a1d23;
  --text-secondary: #5a5f6b;
  --accent-green: #1a7f37;
  --accent-red: #cf222e;
  --accent-blue: #0b6bcb;
  --accent-purple: #6e40c9;
  --accent-yellow: #9a6700;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.08);
  --ticker-bg: #f0f2f5;
  --card-hover-bg: rgba(0, 0, 0, 0.03);
  --hero-orb-opacity: 0.12;
  --grid-line-color: rgba(0, 0, 0, 0.04);
  --ai-badge-bg: rgba(11, 107, 203, 0.1);
  --ai-badge-color: #0b6bcb;
}

/* ========== СБРОС ========== */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  -moz-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  -webkit-tap-highlight-color: transparent;
}

a { color: inherit; text-decoration: none; }
ul { list-style: none; }
img { max-width: 100%; height: auto; display: block; }
button { cursor: pointer; border: none; background: none; font: inherit; color: inherit; -webkit-tap-highlight-color: transparent; }

/* ========== НАВИГАЦИЯ ========== */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-card);
}

/* Fallback для браузеров без backdrop-filter */
.nav {
  background: var(--bg-secondary);
}

/* Для браузеров с поддержкой backdrop-filter */
@supports (backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px)) {
  .nav {
    background: var(--bg-card);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
  }
}

/* Fallback для Safari, где backdrop-filter работает плохо */
@supports (-webkit-backdrop-filter: blur(1px)) and (not (backdrop-filter: blur(1px))) {
  .nav {
    background: var(--bg-secondary);
    -webkit-backdrop-filter: blur(8px);
  }
}

.nav__inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 clamp(12px, 3vw, 24px);
  height: 52px;
  min-height: 52px;
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 1rem;
  flex-shrink: 0;
  white-space: nowrap;
}

.nav__logo-img {
  width: 28px;
  height: 28px;
  flex-shrink: 0;
  border-radius: 6px;
}

.nav__links {
  display: flex;
  gap: 4px;
  flex: 1;
  overflow-x: auto;
  -ms-overflow-style: none;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
  min-width: 0;
  padding: 0 4px;
}

.nav__links::-webkit-scrollbar { display: none; }

.nav__link {
  padding: 6px 12px;
  border-radius: var(--radius-pill);
  font-size: 0.82rem;
  color: var(--text-secondary);
  white-space: nowrap;
  transition: all var(--transition-fast);
  flex-shrink: 0;
}

.nav__link:hover,
.nav__link--active {
  color: var(--text-primary);
  background: rgba(128, 128, 128, 0.1);
}

.nav__theme,
.nav__live {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  font-size: 1.1rem;
  transition: background var(--transition-fast);
  -webkit-tap-highlight-color: transparent;
}

.nav__theme:hover,
.nav__live:hover { background: rgba(128, 128, 128, 0.15); }

.nav__live-dot {
  display: block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-green);
  box-shadow: 0 0 6px rgba(63, 185, 80, 0.6);
  transition: all 0.5s ease;
}

.nav__live-dot--fresh {
  background: var(--accent-green);
  box-shadow: 0 0 6px rgba(63, 185, 80, 0.6);
}

.nav__live-dot--syncing {
  background: var(--accent-blue);
  box-shadow: 0 0 10px rgba(88, 166, 255, 0.8);
  animation: livePulse 0.8s ease-in-out infinite;
}

.nav__live-dot--warning {
  background: var(--accent-yellow);
  box-shadow: 0 0 6px rgba(210, 153, 29, 0.6);
}

.nav__live-dot--stale,
.nav__live-dot--error {
  background: var(--accent-red);
  box-shadow: 0 0 6px rgba(248, 81, 73, 0.6);
}

.nav__live-dot--error { animation: liveError 1s ease-in-out infinite; }

@keyframes livePulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.6); }
}

@keyframes liveError {
  0%, 100% { box-shadow: 0 0 0 0 rgba(248, 81, 73, 0.8); }
  50% { box-shadow: 0 0 0 8px rgba(248, 81, 73, 0); }
}

/* ========== БЕГУЩАЯ СТРОКА (ОПТИМИЗИРОВАННАЯ) ========== */
.ticker {
  background: var(--ticker-bg);
  border-bottom: 1px solid var(--border-card);
  padding: 8px 0;
  overflow: hidden;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  position: relative;
  will-change: transform;
  contain: layout style paint;
}

.ticker__track {
  display: flex;
  white-space: nowrap;
  will-change: transform;
  min-width: 100%;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  transform: translateZ(0);
  -webkit-transform: translateZ(0);
  contain: layout style;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  transition: none;
}

.ticker__track--scroll {
  animation: ticker-scroll var(--ticker-duration, 20s) linear infinite;
  -webkit-animation: ticker-scroll var(--ticker-duration, 20s) linear infinite;
  will-change: transform;
}

@-webkit-keyframes ticker-scroll {
  0% { -webkit-transform: translateX(0); transform: translateX(0); }
  100% { -webkit-transform: translateX(-50%); transform: translateX(-50%); }
}

@keyframes ticker-scroll {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* Пауза при наведении */
.ticker:hover .ticker__track--scroll {
  animation-play-state: paused;
  -webkit-animation-play-state: paused;
}

.ticker__item {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  position: relative;
  cursor: default;
  flex-shrink: 0;
  padding: 0 2px;
}

.ticker__symbol { color: var(--text-secondary); font-weight: 600; }
.ticker__value { font-weight: 600; }
.ticker__change--up { color: var(--accent-green); }
.ticker__change--down { color: var(--accent-red); }

.ticker__sep {
  color: rgba(128, 128, 128, 0.3);
  margin: 0 4px;
  flex-shrink: 0;
  user-select: none;
  -webkit-user-select: none;
}

.ticker__tooltip {
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(-4px);
  -webkit-transform: translateX(-50%) translateY(-4px);
  background: var(--bg-secondary);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-sm);
  padding: 6px 10px;
  font-size: 0.7rem;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: all var(--transition-fast);
  z-index: 50;
  box-shadow: var(--shadow-md);
}

.ticker__item:hover .ticker__tooltip {
  opacity: 1;
  transform: translateX(-50%) translateY(-8px);
  -webkit-transform: translateX(-50%) translateY(-8px);
  pointer-events: auto;
}

.ticker__tooltip-spark {
  font-family: var(--font-mono);
  letter-spacing: 2px;
  font-size: 0.85rem;
}

/* ============================================================
   ТИКЕР — АНИМАЦИИ ОБНОВЛЕНИЙ И АДАПТИВНАЯ СКОРОСТЬ
   Версия: 4.0
   ============================================================ */

/* Пульсация при обновлении значения */
.ticker__value--updated {
  animation: valuePulse 0.6s ease;
}

@keyframes valuePulse {
  0%, 100% {
    color: inherit;
    transform: scale(1);
  }
  30% {
    color: var(--accent-blue, #58a6ff);
    transform: scale(1.15);
  }
  70% {
    color: var(--accent-blue, #58a6ff);
    transform: scale(1.05);
  }
}

/* Пульсация при обновлении изменения */
.ticker__change--updated {
  animation: changePulse 0.6s ease;
}

@keyframes changePulse {
  0%, 100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.2);
  }
}

/* Плавное появление новых элементов */
.ticker__item--new {
  animation: tickerAppear 0.4s ease-out;
}

@keyframes tickerAppear {
  from {
    opacity: 0;
    transform: scale(0.8) translateX(-10px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateX(0);
  }
}

/* Плавное исчезновение удаляемых элементов */
.ticker__item--removing {
  animation: tickerDisappear 0.3s ease-in forwards;
}

@keyframes tickerDisappear {
  to {
    opacity: 0;
    transform: scale(0.8) translateX(10px);
  }
}

/* Исчезновение сепаратора */
.ticker__sep--removing {
  animation: sepDisappear 0.3s ease-in forwards;
}

@keyframes sepDisappear {
  0% {
    opacity: 1;
    width: auto;
    margin: 0 4px;
  }
  100% {
    opacity: 0;
    width: 0 !important;
    margin: 0 !important;
    overflow: hidden;
  }
}

/* ============================================================
   АДАПТИВНАЯ СКОРОСТЬ (CSS Fallback)
   ============================================================ */

/* Если JS не сработал, используем базовые значения */
.ticker__track--scroll {
  animation-duration: var(--ticker-duration, 20s);
}

/* Для очень маленьких экранов */
@media (max-width: 480px) {
  .ticker__track--scroll {
    animation-duration: var(--ticker-duration, 12s) !important;
  }
}

/* Для планшетов */
@media (min-width: 481px) and (max-width: 768px) {
  .ticker__track--scroll {
    animation-duration: var(--ticker-duration, 16s) !important;
  }
}

/* Для десктопов */
@media (min-width: 769px) {
  .ticker__track--scroll {
    animation-duration: var(--ticker-duration, 25s) !important;
  }
}

/* Для широких экранов */
@media (min-width: 1441px) {
  .ticker__track--scroll {
    animation-duration: var(--ticker-duration, 30s) !important;
  }
}

/* Fallback для браузеров, где не работает анимация */
@supports not (animation: ticker-scroll 1s linear infinite) {
  .ticker__track--scroll {
    animation: none;
    -webkit-animation: none;
    overflow-x: auto;
  }
}

/* ============================================================
   ДОСТУПНОСТЬ И UX ДЛЯ ТИКЕРА
   ============================================================ */

/* Кликабельные элементы */
.ticker__item--clickable {
  cursor: pointer;
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.ticker__item--clickable:hover {
  opacity: 0.8;
  transform: scale(1.02);
}

.ticker__item--clickable:focus {
  outline: 2px solid var(--accent-blue, #58a6ff);
  outline-offset: 2px;
  border-radius: 4px;
}

/* Фокус для клавиатурной навигации */
.ticker__item:focus-visible {
  outline: 2px solid var(--accent-blue, #58a6ff);
  outline-offset: 2px;
  border-radius: 4px;
}

/* Уважение к настройкам пользователя (reduced motion) */
@media (prefers-reduced-motion: reduce) {
  .ticker__track--scroll {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
  
  .ticker__item--new,
  .ticker__item--removing,
  .ticker__value--updated,
  .ticker__change--updated,
  .ticker__sep--removing {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  
  .ticker__item--clickable:hover {
    transform: none !important;
  }
  
  .ticker__item--clickable:focus {
    outline: none;
  }
  
  .ticker__item:focus-visible {
    outline: none;
  }
}

/* Индикатор обновления */
.ticker__updating {
  position: absolute;
  right: 10px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 14px;
  opacity: 0;
  transition: opacity 0.3s ease;
  z-index: 10;
  pointer-events: none;
}

.ticker__updating--active {
  opacity: 1;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% { transform: translateY(-50%) rotate(0deg); }
  100% { transform: translateY(-50%) rotate(360deg); }
}

/* Улучшенная читаемость на мобильных */
@media (max-width: 480px) {
  .ticker__item--clickable:active {
    opacity: 0.6;
    transform: scale(0.98);
  }
}

/* ========== HERO ========== */
.hero {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 40vh;
  padding: clamp(40px, 8vh, 80px) clamp(16px, 5vw, 40px);
  overflow: hidden;
  isolation: isolate;
}

.hero__bg { position: absolute; inset: 0; pointer-events: none; z-index: 0; }

.hero__orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  -webkit-filter: blur(80px);
  opacity: var(--hero-orb-opacity);
}

.hero__orb--1 {
  width: clamp(200px, 40vw, 500px);
  height: clamp(200px, 40vw, 500px);
  background: radial-gradient(circle, rgba(0, 200, 151, 0.5) 0%, transparent 70%);
  top: -20%;
  left: -10%;
  animation: orbFloat1 8s ease-in-out infinite alternate;
  -webkit-animation: orbFloat1 8s ease-in-out infinite alternate;
}

.hero__orb--2 {
  width: clamp(150px, 30vw, 400px);
  height: clamp(150px, 30vw, 400px);
  background: radial-gradient(circle, rgba(139, 92, 255, 0.4) 0%, transparent 70%);
  bottom: -15%;
  right: -5%;
  animation: orbFloat2 10s ease-in-out infinite alternate;
  -webkit-animation: orbFloat2 10s ease-in-out infinite alternate;
}

.hero__orb--3 {
  width: clamp(100px, 20vw, 250px);
  height: clamp(100px, 20vw, 250px);
  background: radial-gradient(circle, rgba(255, 76, 96, 0.3) 0%, transparent 70%);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  -webkit-transform: translate(-50%, -50%);
  animation: orbPulse 5s ease-in-out infinite alternate;
  -webkit-animation: orbPulse 5s ease-in-out infinite alternate;
}

@-webkit-keyframes orbFloat1 { to { -webkit-transform: translate(40px, 30px) scale(1.1); transform: translate(40px, 30px) scale(1.1); } }
@keyframes orbFloat1 { to { transform: translate(40px, 30px) scale(1.1); } }
@-webkit-keyframes orbFloat2 { to { -webkit-transform: translate(-30px, -40px) scale(1.15); transform: translate(-30px, -40px) scale(1.15); } }
@keyframes orbFloat2 { to { transform: translate(-30px, -40px) scale(1.15); } }
@-webkit-keyframes orbPulse { to { opacity: 0.5; -webkit-transform: translate(-50%, -50%) scale(1.1); transform: translate(-50%, -50%) scale(1.1); } }
@keyframes orbPulse { to { opacity: 0.5; transform: translate(-50%, -50%) scale(1.1); } }

.hero__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--grid-line-color) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line-color) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at center, #000 30%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at center, #000 30%, transparent 70%);
}

.hero__content {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  max-width: 720px;
  gap: clamp(16px, 2.5vh, 28px);
}

.hero__title {
  display: flex;
  flex-direction: column;
  font-weight: 800;
  font-size: clamp(2rem, 6vw, 4.5rem);
  line-height: 1.1;
  letter-spacing: -0.03em;
}

.hero__title-line {
  animation: titleReveal 1s ease-out both;
  -webkit-animation: titleReveal 1s ease-out both;
}

.hero__title-line--accent {
  background: linear-gradient(135deg, var(--accent-green), var(--accent-blue), var(--accent-purple));
  background-size: 200% 200%;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: var(--accent-blue);
  animation: titleReveal 1s ease-out 0.2s both, gradientShift 6s ease-in-out infinite;
  -webkit-animation: titleReveal 1s ease-out 0.2s both, gradientShift 6s ease-in-out infinite;
}

@-webkit-keyframes titleReveal {
  from { opacity: 0; -webkit-transform: translateY(20px); transform: translateY(20px); -webkit-filter: blur(4px); filter: blur(4px); }
  to { opacity: 1; -webkit-transform: translateY(0); transform: translateY(0); -webkit-filter: blur(0); filter: blur(0); }
}
@keyframes titleReveal {
  from { opacity: 0; transform: translateY(20px); filter: blur(4px); }
  to { opacity: 1; transform: translateY(0); filter: blur(0); }
}

@-webkit-keyframes gradientShift {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}
@keyframes gradientShift {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

.hero__subtitle {
  font-size: clamp(0.85rem, 1.5vw, 1.1rem);
  color: var(--text-secondary);
  max-width: 480px;
  animation: fadeInUp 0.8s ease-out 0.4s both;
  -webkit-animation: fadeInUp 0.8s ease-out 0.4s both;
}

@-webkit-keyframes fadeInUp {
  from { opacity: 0; -webkit-transform: translateY(10px); transform: translateY(10px); }
  to { opacity: 1; -webkit-transform: translateY(0); transform: translateY(0); }
}
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ========== ДАЙДЖЕСТ ========== */
.digest {
  padding: 0 clamp(16px, 5vw, 40px);
  margin-top: 8px;
}

.digest__inner {
  max-width: 1200px;
  margin: 0 auto;
  background: var(--bg-secondary);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  padding: clamp(14px, 2vw, 20px);
}

@supports (backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px)) {
  .digest__inner {
    background: var(--bg-card);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
  }
}

.digest__title {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--accent-blue);
}

.digest__text {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ========== ГИСТОГРАММА ========== */
.sparkline-section {
  padding: 12px clamp(16px, 5vw, 40px);
}

.sparkline-container {
  max-width: 1200px;
  margin: 0 auto;
  background: var(--bg-secondary);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  padding: clamp(16px, 2vw, 20px);
}

@supports (backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px)) {
  .sparkline-container {
    background: var(--bg-card);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
  }
}

.sparkline-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 14px;
  flex-wrap: wrap;
  gap: 8px;
}

.sparkline-title {
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--accent-blue);
}

.sparkline-total {
  font-size: 0.78rem;
  color: var(--text-secondary);
}

.sparkline-total strong { color: var(--text-primary); }

.sparkline-chart-wrapper {
  display: flex;
  align-items: stretch;
  height: 100px;
  gap: 6px;
  min-height: 70px;
}

.sparkline-y-axis {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  align-items: flex-end;
  padding-right: 6px;
  min-width: 28px;
  font-size: 0.62rem;
  color: var(--text-secondary);
  font-family: var(--font-mono);
  flex-shrink: 0;
}

.sparkline-bars {
  display: flex;
  align-items: flex-end;
  gap: 2px;
  flex: 1;
  min-height: 100%;
  padding-bottom: 2px;
  background-image:
    linear-gradient(to top, var(--border-card) 1px, transparent 1px),
    linear-gradient(to top, var(--border-card) 1px, transparent 1px),
    linear-gradient(to top, var(--border-card) 1px, transparent 1px);
  background-position: 0 0%, 0 50%, 0 100%;
  background-size: 100% 1px;
}

.sparkline-bar-wrapper {
  flex: 1;
  height: 100%;
  display: flex;
  align-items: flex-end;
  position: relative;
  min-height: 4px;
}

.sparkline-bar {
  width: 100%;
  min-height: 3px;
  border-radius: 2px 2px 0 0;
  background: var(--accent-blue);
  opacity: 0.5;
  transition: opacity 0.2s ease, background 0.2s ease;
  display: block;
  flex-shrink: 0;
}

/* Фикс для Safari */
.sparkline-bar[style*="height: 0%"] {
  min-height: 3px;
  opacity: 0.15;
}

.sparkline-bar:hover { opacity: 0.9; }

.sparkline-bar--peak {
  opacity: 1;
  background: var(--accent-green);
  box-shadow: 0 0 6px rgba(63, 185, 80, 0.3);
}

.sparkline-bar--past {
  opacity: 0.2;
  background: var(--text-secondary);
}

.sparkline-bar--past:hover { opacity: 0.45; }

.sparkline-bar--past.sparkline-bar--peak {
  opacity: 0.55;
  background: var(--accent-green);
}

.sparkline-x-axis {
  display: flex;
  justify-content: space-between;
  padding: 6px 0 0 34px;
  font-size: 0.62rem;
  color: var(--text-secondary);
  font-family: var(--font-mono);
}

.sparkline-legend {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px solid var(--border-card);
  font-size: 0.7rem;
  color: var(--text-secondary);
  flex-wrap: wrap;
}

.sparkline-legend-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.sparkline-legend-bar {
  display: inline-block;
  width: 12px;
  height: 8px;
  border-radius: 2px;
  background: var(--accent-blue);
  opacity: 0.5;
}

.sparkline-legend-bar--peak {
  background: var(--accent-green);
  opacity: 1;
}

.sparkline-legend-bar--past {
  background: var(--text-secondary);
  opacity: 0.2;
}

.sparkline-tooltip {
  position: fixed;
  background: var(--bg-secondary);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-sm);
  padding: 6px 10px;
  font-size: 0.72rem;
  color: var(--text-primary);
  pointer-events: none;
  z-index: 200;
  box-shadow: var(--shadow-md);
  white-space: nowrap;
  text-align: center;
}

.sparkline-tooltip strong { color: var(--accent-blue); }

/* ========== AI-ВИДЖЕТЫ ========== */
.ai-confidence {
  padding: 12px 16px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  margin-top: 16px;
}

@supports (backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px)) {
  .ai-confidence {
    background: var(--bg-card);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
  }
}

.ai-confidence__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 6px;
}

.ai-confidence__label {
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.ai-confidence__value {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--accent-blue);
}

.ai-confidence__bar {
  height: 4px;
  background: rgba(128, 128, 128, 0.15);
  border-radius: 2px;
  overflow: hidden;
  margin: 4px 0 8px 0;
}

.ai-confidence__fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent-blue), var(--accent-purple));
  transition: width 1s ease;
}

.ai-confidence__footer {
  display: flex;
  justify-content: space-between;
  font-size: 0.65rem;
  color: var(--text-secondary);
  flex-wrap: wrap;
  gap: 4px;
}

.ai-predictions {
  padding: 12px 16px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  margin-top: 12px;
}

@supports (backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px)) {
  .ai-predictions {
    background: var(--bg-card);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
  }
}

.ai-predictions__header {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.ai-predictions__list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.ai-predictions__item {
  padding: 2px 12px;
  background: rgba(128, 128, 128, 0.08);
  border-radius: 12px;
  font-size: 0.75rem;
  color: var(--text-primary);
  transition: all var(--transition-fast);
}

.ai-predictions__item:hover {
  background: var(--accent-blue);
  color: #fff;
}

.ai-predictions__peak {
  font-size: 0.7rem;
  color: var(--text-secondary);
  margin-top: 6px;
}

.ai-predictions__conf {
  font-size: 0.7rem;
  color: var(--accent-green);
  margin-top: 4px;
}

.ai-evolution {
  display: inline-flex;
  align-items: center;
}

.ai-evolution-indicator {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.7rem;
  color: var(--text-secondary);
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  background: rgba(128, 128, 128, 0.06);
}

.ai-evolution__dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-green);
  animation: pulse 2s infinite;
  -webkit-animation: pulse 2s infinite;
}

@-webkit-keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

/* ========== КАРТОЧКИ НОВОСТЕЙ ========== */
.news-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  grid-gap: 16px;
  -webkit-column-gap: 16px;
  -webkit-row-gap: 16px;
}

/* Fallback для браузеров без grid */
@supports not (display: grid) {
  .news-grid {
    display: flex;
    flex-wrap: wrap;
    margin: 0 -8px;
  }
  .news-grid > .news-card {
    flex: 0 0 calc(50% - 16px);
    margin: 8px;
  }
}

.news-card {
  position: relative;
  padding: clamp(16px, 2vw, 24px);
  padding-top: clamp(16px, 2vw, 40px);
  border-radius: var(--radius-lg);
  background: var(--bg-secondary);
  border: 1px solid var(--border-card);
  transition: all var(--transition-smooth);
  opacity: 0;
}

@supports (backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px)) {
  .news-card {
    background: var(--bg-card);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
  }
}

.news-card.visible {
  opacity: 1;
}

.news-card:hover {
  transform: translateY(-2px);
  -webkit-transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: rgba(128, 128, 128, 0.15);
}



.news-card:hover 



.news-card__title {
  font-size: clamp(0.95rem, 1.3vw, 1.15rem);
  font-weight: 700;
  margin-bottom: 12px;
  display: flex;
  align-items: flex-start;
  gap: 8px;
  padding-right: 30px;
  flex-wrap: wrap;
  word-break: break-word;
  overflow-wrap: break-word;
  max-width: 100%;
}

.news-card__category-badge {
  flex-shrink: 0;
  padding: 2px 8px;
  border-radius: 6px;
  font-size: 0.62rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-top: 2px;
}

.news-card__category-badge[data-category="economy"] { background: rgba(63, 185, 80, 0.15); color: var(--accent-green); }
.news-card__category-badge[data-category="business"] { background: rgba(88, 166, 255, 0.15); color: var(--accent-blue); }
.news-card__category-badge[data-category="tech"] { background: rgba(188, 140, 255, 0.15); color: var(--accent-purple); }
.news-card__category-badge[data-category="politics"] { background: rgba(248, 81, 73, 0.15); color: var(--accent-red); }
.news-card__category-badge[data-category="society"],
.news-card__category-badge[data-category="incidents"],
.news-card__category-badge[data-category="sport"],
.news-card__category-badge[data-category="general"] { background: rgba(139, 148, 158, 0.15); color: var(--text-secondary); }

.news-card__ai-badge {
  flex-shrink: 0;
  font-size: 0.6rem;
  font-weight: 600;
  padding: 1px 8px;
  border-radius: 10px;
  background: var(--ai-badge-bg);
  color: var(--ai-badge-color);
  margin-top: 2px;
}

.news-card__sources {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.news-card__source {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 8px;
  border-radius: var(--radius-sm);
  background: rgba(128, 128, 128, 0.03);
  transition: background var(--transition-fast);
  width: 100%;
  min-width: 0;
}

/* Fallback для браузеров без gap */
@supports not (gap: 10px) {
  .news-card__source > * {
    margin-right: 10px;
  }
  .news-card__source > *:last-child {
    margin-right: 0;
  }
}

.news-card__source:hover { background: var(--card-hover-bg); }

.news-card__favicon {
  flex-shrink: 0;
  margin-top: 2px;
  border-radius: 3px;
  opacity: 0.8;
  width: 16px;
  height: 16px;
}

.news-card__link {
  flex: 1;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px;
  text-decoration: none;
  color: inherit;
  min-width: 0;
  transition: color var(--transition-fast);
  word-break: break-word;
  overflow-wrap: break-word;
}

.news-card__link:hover { color: var(--accent-blue); }

.news-card__source-name {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-secondary);
  flex-shrink: 0;
}

.news-card__article-title {
  font-size: 0.85rem;
  line-height: 1.5;
  word-break: break-word;
  overflow-wrap: break-word;
  -webkit-hyphens: auto;
  hyphens: auto;
}

.news-card__external-icon {
  flex-shrink: 0;
  margin-top: 3px;
  opacity: 0;
  transform: translate(-4px, 4px);
  -webkit-transform: translate(-4px, 4px);
  transition: all var(--transition-fast);
}

.news-card__link:hover .news-card__external-icon {
  opacity: 0.6;
  transform: translate(0, 4px);
  -webkit-transform: translate(0, 4px);
}
.news-card__external-icon path { fill: var(--accent-blue); }

.news-card__time {
  flex-shrink: 0;
  font-size: 0.7rem;
  white-space: nowrap;
}
.news-card__time--fresh { color: var(--accent-green); font-weight: 600; }
.news-card__time--recent { color: var(--accent-yellow); }
.news-card__time--old { color: var(--text-secondary); opacity: 0.7; }

.news-card__meta {
  margin-top: 12px;
  padding-top: 10px;
  border-top: 1px solid var(--border-card);
  display: flex;
  justify-content: space-between;
  font-size: 0.7rem;
  color: var(--text-secondary);
  opacity: 0.7;
  flex-wrap: wrap;
  gap: 4px;
}

/* ========== ПАГИНАЦИЯ ========== */
.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 4px;
  margin-top: 24px;
  flex-wrap: wrap;
}

.pagination__btn {
  min-width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  color: var(--text-secondary);
  border: 1px solid var(--border-card);
  background: var(--bg-secondary);
  transition: all var(--transition-fast);
  -webkit-tap-highlight-color: transparent;
}

.pagination__btn:hover:not(:disabled) {
  background: rgba(128, 128, 128, 0.1);
  color: var(--text-primary);
}
.pagination__btn--active {
  background: var(--accent-blue) !important;
  color: #fff !important;
  border-color: var(--accent-blue) !important;
}
.pagination__btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}
.pagination__ellipsis {
  padding: 0 8px;
  color: var(--text-secondary);
}

/* ========== САЙДБАР ========== */
.sidebar-block {
  background: var(--bg-secondary);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  padding: 16px;
}

@supports (backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px)) {
  .sidebar-block {
    background: var(--bg-card);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
  }
}

.sidebar-block__title {
  font-size: 0.85rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--accent-blue);
}

.tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 10px;
  line-height: 1.4;
}
.tag-cloud__item {
  transition: opacity var(--transition-fast);
  cursor: default;
  text-transform: capitalize;
}
.tag-cloud__item:hover { opacity: 1 !important; }

.source-status {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 0.75rem;
}
.source-status__item {
  display: flex;
  align-items: center;
  gap: 8px;
}
.source-status__indicator {
  font-size: 0.65rem;
}
.source-status__indicator--ok { color: var(--accent-green); }
.source-status__indicator--fail { color: var(--accent-red); }
.source-status__name { flex: 1; color: var(--text-primary); }
.source-status__time {
  color: var(--text-secondary);
  font-size: 0.7rem;
  white-space: nowrap;
}

.sidebar-logo {
  width: 100%;
  height: auto;
  display: block;
}

/* ========== ФУТЕР ========== */
.footer {
  padding: 20px clamp(16px, 5vw, 40px);
  border-top: 1px solid var(--border-card);
  text-align: center;
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.footer__inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 6px 12px;
}

.footer__sep { opacity: 0.4; }

.footer__link {
  color: var(--accent-blue);
  transition: opacity var(--transition-fast);
}

.footer__link:hover { opacity: 0.8; }

/* ========== СТРАНИЦА "О ПРОЕКТЕ" ========== */
.about { padding: 60px clamp(16px, 5vw, 40px); min-height: 60vh; }
.about__inner { max-width: 640px; margin: 0 auto; }
.about h1 { font-size: 2rem; font-weight: 800; margin-bottom: 16px; }
.about__lead { font-size: 1.1rem; color: var(--text-secondary); margin-bottom: 20px; }
.about p { margin-bottom: 12px; line-height: 1.7; color: var(--text-primary); }
.about__back { display: inline-block; margin-top: 16px; color: var(--accent-blue); font-weight: 600; transition: opacity var(--transition-fast); }
.about__back:hover { opacity: 0.8; }

/* ========== СКЕЛЕТОНЫ ========== */
.skeleton {
  background: linear-gradient(90deg, var(--bg-secondary) 25%, rgba(128, 128, 128, 0.08) 50%, var(--bg-secondary) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  -webkit-animation: shimmer 1.5s infinite;
  border-radius: var(--radius-sm);
}

@-webkit-keyframes shimmer {
  0% { background-position: 200% 0; }
  to { background-position: -200% 0; }
}
@keyframes shimmer {
  0% { background-position: 200% 0; }
  to { background-position: -200% 0; }
}

/* ========== КОНТЕНТ ========== */
.content {
  padding: 24px clamp(16px, 5vw, 40px) 40px;
}

.content__inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 24px;
  grid-gap: 24px;
  -webkit-column-gap: 24px;
  -webkit-row-gap: 24px;
}

/* Fallback для браузеров без grid */
@supports not (display: grid) {
  .content__inner {
    display: flex;
    flex-wrap: wrap;
  }
  .content__main {
    flex: 0 0 66.666%;
  }
  .content__sidebar {
    flex: 0 0 33.333%;
  }
}

.content__sidebar {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

/* ========== АДАПТИВ ========== */

@media (max-width: 1023px) {
  .content__inner {
    grid-template-columns: 1fr;
    grid-gap: 16px;
    -webkit-column-gap: 16px;
    -webkit-row-gap: 16px;
  }
  @supports not (display: grid) {
    .content__main {
      flex: 0 0 100%;
    }
    .content__sidebar {
      flex: 0 0 100%;
    }
  }
  .content__sidebar {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    grid-gap: 16px;
    -webkit-column-gap: 16px;
    -webkit-row-gap: 16px;
  }
  @supports not (display: grid) {
    .content__sidebar {
      display: flex;
      flex-wrap: wrap;
    }
    .content__sidebar > * {
      flex: 0 0 calc(50% - 8px);
      margin: 4px;
    }
  }
  .sidebar-block--logo {
    grid-column: 1 / -1;
  }
  .news-grid { grid-template-columns: 1fr 1fr; }
  @supports not (display: grid) {
    .news-grid > .news-card {
      flex: 0 0 calc(50% - 16px);
    }
  }
}

@media (max-width: 767px) {
  .hero {
    min-height: 30vh;
    padding: 32px 16px 40px;
  }
  .hero__title {
    font-size: clamp(1.3rem, 7vw, 2rem);
  }
  .hero__subtitle {
    font-size: 0.82rem;
    max-width: 260px;
  }
  .hero__orb {
    opacity: calc(var(--hero-orb-opacity) * 0.5);
    filter: blur(50px);
    -webkit-filter: blur(50px);
  }
  .hero__orb--3 { display: none; }
  .hero__grid { background-size: 30px 30px; }

  .content__inner {
    grid-template-columns: 1fr;
    grid-gap: 16px;
    -webkit-column-gap: 16px;
    -webkit-row-gap: 16px;
  }
  @supports not (display: grid) {
    .content__main {
      flex: 0 0 100%;
    }
    .content__sidebar {
      flex: 0 0 100%;
    }
  }
  .content__sidebar {
    display: flex;
    flex-direction: column;
    gap: 16px;
  }
  .sidebar-block {
    width: 100% !important;
    max-width: 100%;
    overflow: hidden;
  }
  .news-grid {
    grid-template-columns: 1fr;
    grid-gap: 12px;
    -webkit-column-gap: 12px;
    -webkit-row-gap: 12px;
  }
  @supports not (display: grid) {
    .news-grid > .news-card {
      flex: 0 0 calc(100% - 16px);
    }
  }
  
  .nav__link {
    padding: 6px 10px;
    font-size: 0.75rem;
  }
  .ticker__tooltip { display: none; }
  .digest { padding: 0 12px; }
  .sparkline-section { padding: 8px 12px; }
  .content { padding: 16px 12px 32px; }
  .footer { padding: 16px 12px; }
  .about { padding: 40px 16px; }
  .about h1 { font-size: 1.6rem; }

  .sparkline-chart-wrapper { height: 70px; }
  .sparkline-y-axis { font-size: 0.55rem; min-width: 22px; }
  .sparkline-x-axis { padding-left: 28px; font-size: 0.55rem; }
  .sparkline-header { flex-direction: column; align-items: flex-start; }
  .sparkline-title { font-size: 0.82rem; }
  .sparkline-legend { gap: 10px; font-size: 0.65rem; }
  
  .ai-confidence__footer {
    flex-direction: column;
    gap: 2px;
  }
  .ai-predictions__list {
    gap: 4px;
  }
  .ai-predictions__item {
    font-size: 0.7rem;
    padding: 1px 8px;
  }
  
  .news-card__title {
    padding-right: 24px;
    font-size: 0.9rem;
  }
  
}

@media (max-width: 480px) {
  .nav__logo span { display: none; }
  .nav__link {
    padding: 4px 8px;
    font-size: 0.7rem;
  }
  .nav__theme,
  .nav__live {
    width: 32px;
    height: 32px;
    font-size: 0.9rem;
  }
  .nav__inner {
    height: 44px;
    min-height: 44px;
    gap: 8px;
  }
  
  .ticker {
    font-size: 0.7rem;
    padding: 4px 0;
  }
  .ticker__sep {
    margin: 0 2px;
  }
  
  .pagination__btn {
    min-width: 32px;
    height: 32px;
    font-size: 0.78rem;
  }
  
  .footer__inner {
    flex-direction: column;
    align-items: center;
    gap: 4px;
  }
  .footer__sep {
    display: none;
  }
  
  .hero__title { font-size: 1.2rem; }
  .hero__subtitle br { display: none; }
  
  .sparkline-chart-wrapper { height: 60px; }
  .sparkline-y-axis { font-size: 0.5rem; min-width: 18px; }
  .sparkline-x-axis { padding-left: 24px; font-size: 0.5rem; }
  
  .news-card__time {
    font-size: 0.6rem;
  }
  
  .ticker__item--clickable:active {
    opacity: 0.6;
    transform: scale(0.98);
  }
}

/* ========== ПРЕДОТВРАЩЕНИЕ МЕРЦАНИЯ ========== */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* ============================================================
   2026 cross-browser hardening + deterministic ticker engine
   ============================================================ */
html { min-width: 320px; }
body { min-width: 320px; overflow-x: hidden; }
button, a, input, textarea, select { touch-action: manipulation; }
.nav { padding-top: env(safe-area-inset-top, 0px); }
.nav__inner, .content__inner, .about__inner, .footer__inner { min-width: 0; }
.nav__links { overscroll-behavior-x: contain; }
.news-card, .sidebar-block, .content__main, .content__sidebar { min-width: 0; }
.news-card__article-title, .news-card__title, .about p { overflow-wrap: anywhere; word-break: normal; }

/* JS owns the ticker motion. CSS animations are disabled to avoid competing timelines. */
.ticker { overflow: hidden; contain: layout paint; isolation: isolate; touch-action: pan-y; }
.ticker__track {
  width: max-content;
  min-width: 0;
  display: flex;
  flex-wrap: nowrap;
  align-items: center;
  animation: none !important;
  -webkit-animation: none !important;
  transition: none !important;
  transform-origin: 0 50%;
  will-change: transform;
  contain: layout paint;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
}
.ticker__item { flex: 0 0 auto; }
.ticker__sep { flex: 0 0 auto; }

@media (max-width: 767px) {
  .nav__inner { padding-left: max(10px, env(safe-area-inset-left, 0px)); padding-right: max(10px, env(safe-area-inset-right, 0px)); }
  .content { padding-left: max(12px, env(safe-area-inset-left, 0px)); padding-right: max(12px, env(safe-area-inset-right, 0px)); }
  .about { padding-left: max(16px, env(safe-area-inset-left, 0px)); padding-right: max(16px, env(safe-area-inset-right, 0px)); }
  .footer { padding-bottom: max(16px, env(safe-area-inset-bottom, 0px)); }
  .ticker { font-size: 0.72rem; }
}

@media (min-width: 768px) and (max-width: 1024px) {
  .nav__inner { max-width: 100%; }
  .content__inner { max-width: 100%; }
}

@media (min-width: 1025px) {
  .nav__inner, .content__inner { width: min(1200px, calc(100% - 32px)); }
}

@supports (-webkit-touch-callout: none) {
  .nav { -webkit-backdrop-filter: blur(12px); }
  .ticker__track { -webkit-transform: translate3d(0,0,0); }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .ticker__track { will-change: auto; }
}

/* Performance hardening: reserve compositor hints for the ticker only. */
.news-card, .ticker__item, .sparkline-bar { will-change: auto; }
.ticker__track { will-change: transform; }
@media (prefers-reduced-motion: reduce) { .ticker__track { will-change: auto; } }

/* ============================================================
   НОВАЯ ПОЛЬЗОВАТЕЛЬСКАЯ НАВИГАЦИЯ И КАТЕГОРИИ
   Эти стили отделяют чтение новостей от AI-инструментов:
   пользователь сначала выбирает интересующую ленту, а AI помогает
   внутри неё — не мешая обычному сценарию чтения.
   ============================================================ */
.sr-only {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

.news-tools {
  position: relative;
  border-bottom: 1px solid var(--border-card);
  background: var(--bg-primary);
  z-index: 20;
}

.news-tools__inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 18px clamp(12px, 3vw, 24px) 14px;
}

.news-tools__top {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 20px;
}

.news-tools__eyebrow {
  font-size: .68rem;
  text-transform: uppercase;
  letter-spacing: .12em;
  color: var(--accent-blue);
  font-weight: 800;
  margin-bottom: 3px;
}

.news-tools__title {
  font-size: clamp(1.05rem, 2vw, 1.35rem);
  line-height: 1.2;
  font-weight: 800;
}

.news-tools__controls {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: min(100%, 430px);
}

.news-search,
.news-sort { display: block; }

.news-search { flex: 1 1 260px; }
.news-search input,
.news-sort select {
  appearance: none;
  -webkit-appearance: none;
  width: 100%;
  min-height: 40px;
  border: 1px solid var(--border-card);
  border-radius: 12px;
  background: var(--bg-secondary);
  color: var(--text-primary);
  padding: 9px 12px;
  outline: none;
  font: inherit;
  font-size: .82rem;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast);
}

.news-sort { flex: 0 1 190px; position: relative; }
.news-sort::after {
  content: '⌄';
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-55%);
  pointer-events: none;
  color: var(--text-secondary);
}

.news-search input:focus,
.news-sort select:focus {
  border-color: var(--accent-blue);
  box-shadow: 0 0 0 3px rgba(88,166,255,.12);
}

/* ============================================================
   v15 — Плотный адаптивный ритм и удобный выбор категорий
   Здесь специально уменьшаем вертикальные разрывы и убираем
   горизонтальную «гребёнку» категорий на сенсорных устройствах.
   ============================================================ */

/* На desktop категории показываются компактной сеткой: все варианты
   видны одновременно, поэтому пользователю не приходится угадывать,
   что список продолжается за правым краем. */
.category-picker { margin-top: 10px; }
.category-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(118px, 1fr));
  gap: 6px;
}
.category-chip {
  min-width: 0;
  min-height: 36px;
  justify-content: flex-start;
  padding: 6px 9px;
  border-radius: 10px;
  scroll-snap-align: none;
}
.category-chip:hover { transform: none; }
.category-chip:active { transform: translateY(1px); }
.category-chip strong { flex: 0 0 auto; }
.category-select-wrap { display: none; }

/* Панель управления намеренно немного плотнее: она находится рядом с
   лентой и не должна занимать большую высоту на каждом устройстве. */
.news-tools__inner { padding-top: 14px; padding-bottom: 11px; }
.news-tools__top { gap: 14px; }
.news-tools__controls { gap: 6px; }
.news-tools__status { padding-top: 6px; min-height: 16px; }
.news-tools__perf-note { margin-top: 4px; }
.news-tools__ai-note { margin-top: 6px; }

/* Карточки новостей становятся плотнее, но сохраняют достаточную площадь
   для touch-нажатия и нормальную читаемость заголовка. */
.content { padding-top: 18px; }
.content__inner { gap: 16px; grid-gap: 16px; }
.content__sidebar { gap: 12px; }
.sidebar-block { padding: 14px; }
.news-grid { gap: 10px; grid-gap: 10px; }
.news-card { padding: 14px; }
.news-card__sources { margin-top: 8px; }
.news-card__ai-details { margin-top: 8px; padding-top: 7px; }

/* Нативный select на мобильном — лучший компромисс между количеством
   категорий и удобством пальца: его поддерживают iOS Safari, Android,
   Chrome, Firefox и системные webview без собственного сложного UI. */
@media (max-width: 760px) {
  .category-grid { display: none; }
  .category-select-wrap { display: grid; grid-template-columns: auto minmax(0,1fr); align-items: center; gap: 8px; }
  .category-select-label {
    color: var(--text-secondary);
    font-size: .72rem;
    font-weight: 700;
    white-space: nowrap;
  }
  .category-select {
    appearance: none;
    -webkit-appearance: none;
    width: 100%;
    min-height: 42px;
    padding: 8px 34px 8px 12px;
    border: 1px solid var(--border-card);
    border-radius: 11px;
    background: var(--bg-secondary);
    color: var(--text-primary);
    font: inherit;
    font-size: .82rem;
    line-height: 1.2;
    outline: none;
    background-image: linear-gradient(45deg, transparent 50%, var(--text-secondary) 50%), linear-gradient(135deg, var(--text-secondary) 50%, transparent 50%);
    background-position: calc(100% - 15px) 17px, calc(100% - 10px) 17px;
    background-size: 5px 5px, 5px 5px;
    background-repeat: no-repeat;
  }
  .category-select:focus { border-color: var(--accent-blue); box-shadow: 0 0 0 3px rgba(88,166,255,.12); }
  .news-tools__inner { padding-top: 12px; padding-bottom: 9px; }
  .news-tools__top { gap: 8px; }
  .content { padding-top: 14px; }
  .content__inner { gap: 12px; grid-gap: 12px; }
  .content__sidebar { gap: 10px; }
  .news-grid { gap: 8px; grid-gap: 8px; }
}

@media (max-width: 430px) {
  .category-select-wrap { grid-template-columns: 1fr; gap: 4px; }
  .category-select-label { font-size: .68rem; }
  .category-select { min-height: 44px; }
  .news-card { padding: 12px; }
}

/* Очень широкие экраны не должны раздвигать интерфейс до «телеграммы».
   Ограничиваем только основные текстовые контейнеры. */
@media (min-width: 1440px) {
  .content__inner { max-width: 1180px; }
  .news-tools__inner { max-width: 1180px; }
}

/* Ручное управление фокусом особенно полезно при работе без мыши. */
.category-chip:focus-visible,
.category-select:focus-visible,
.news-search input:focus-visible,
.news-sort select:focus-visible,
.pagination__btn:focus-visible {
  outline: 3px solid var(--accent-blue);
  outline-offset: 2px;
}

/* ============================================================
   v15 — AI-лаборатория: самостоятельная страница с тем же ритмом
   ============================================================ */
.lab-main {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 24px 0 34px;
}
.lab-hero {
  padding: 20px 22px;
  margin-bottom: 12px;
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  background: var(--bg-secondary);
  box-shadow: var(--shadow-sm);
}
.lab-hero__eyebrow { color: var(--accent-blue); font-size: .7rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; margin-bottom: 5px; }
.lab-hero h1 { font-size: clamp(1.5rem, 3vw, 2.1rem); line-height: 1.1; margin-bottom: 7px; }
.lab-hero p { max-width: 780px; color: var(--text-secondary); font-size: .88rem; line-height: 1.55; }
.lab-hero__actions { display: flex; gap: 7px; flex-wrap: wrap; margin-top: 12px; }
.lab-button { display: inline-flex; align-items: center; justify-content: center; min-height: 38px; padding: 8px 12px; border: 1px solid var(--border-card); border-radius: 10px; background: var(--bg-primary); font-size: .78rem; font-weight: 700; }
.lab-button--primary { background: var(--ai-badge-bg); color: var(--accent-blue); border-color: rgba(88,166,255,.28); }
.lab-button:hover { border-color: rgba(128,128,128,.3); }
.lab-grid--metrics { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: 8px; margin-bottom: 12px; }
.lab-card, .lab-panel { background: var(--bg-secondary); border: 1px solid var(--border-card); border-radius: 14px; box-shadow: var(--shadow-sm); }
.lab-card { padding: 13px 14px; }
.lab-card__label, .lab-kicker { display: block; color: var(--text-secondary); font-size: .66rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.lab-card strong { display: block; margin-top: 3px; font-size: 1.5rem; line-height: 1.1; }
.lab-card small { display: block; margin-top: 6px; color: var(--text-secondary); font-size: .68rem; line-height: 1.45; }
.lab-card--accent { border-color: rgba(88,166,255,.24); }
.lab-layout { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(300px, 1fr); gap: 12px; align-items: start; }
.lab-column { display: grid; gap: 12px; min-width: 0; }
.lab-panel { padding: 14px; min-width: 0; }
.lab-panel__head { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-bottom: 10px; }
.lab-panel h2 { margin-top: 2px; font-size: 1rem; line-height: 1.2; }
.lab-status { color: var(--accent-green); font-size: .72rem; font-weight: 800; }
.lab-muted, .lab-note { color: var(--text-secondary); font-size: .72rem; line-height: 1.5; }
.lab-flow { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: 6px; }
.lab-flow > div { padding: 10px; border: 1px solid var(--border-card); border-radius: 10px; background: var(--bg-primary); }
.lab-flow b { color: var(--accent-blue); font-size: .66rem; }
.lab-flow span { display: block; margin-top: 3px; font-weight: 800; font-size: .78rem; }
.lab-flow small { display: block; margin-top: 4px; color: var(--text-secondary); font-size: .67rem; line-height: 1.4; }
.lab-table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; border: 1px solid var(--border-card); border-radius: 10px; }
.lab-table { width: 100%; min-width: 560px; border-collapse: collapse; font-size: .7rem; }
.lab-table th, .lab-table td { padding: 8px 9px; text-align: left; border-bottom: 1px solid var(--border-card); white-space: nowrap; }
.lab-table th { color: var(--text-secondary); font-weight: 800; }
.lab-table tbody tr:last-child td { border-bottom: 0; }
.lab-horizon-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 6px; }
.lab-horizon { padding: 10px; border-radius: 10px; background: var(--bg-primary); border: 1px solid var(--border-card); }
.lab-horizon span { color: var(--text-secondary); font-size: .68rem; font-weight: 700; }
.lab-horizon strong { display: block; margin: 3px 0; font-size: 1.25rem; }
.lab-horizon small { color: var(--text-secondary); font-size: .65rem; }
.lab-memory { display: grid; gap: 6px; }
.lab-memory > div { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 8px 9px; border-radius: 9px; background: var(--bg-primary); border: 1px solid var(--border-card); font-size: .72rem; }
.lab-memory strong { font-size: .74rem; }
.lab-source-rank { display: grid; gap: 7px; margin-top: 9px; }
.lab-source-rank__row { display: grid; grid-template-columns: minmax(120px,1fr) minmax(90px,1.2fr) auto; align-items: center; gap: 8px; }
.lab-source-rank__name strong { display: block; font-size: .72rem; }
.lab-source-rank__name small { color: var(--text-secondary); font-size: .63rem; }
.lab-source-rank__meter { height: 6px; overflow: hidden; border-radius: 99px; background: rgba(128,128,128,.12); }
.lab-source-rank__meter span { display: block; height: 100%; border-radius: inherit; background: var(--accent-blue); }
.lab-source-rank__row > b { font-size: .68rem; }
.lab-architecture { display: grid; grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr; gap: 5px; align-items: center; font-size: .68rem; }
.lab-architecture span { padding: 7px 6px; text-align: center; border: 1px solid var(--border-card); border-radius: 8px; background: var(--bg-primary); }
.lab-architecture b { display: block; margin-top: 2px; font-size: .8rem; }
.lab-architecture i { color: var(--text-secondary); font-style: normal; text-align: center; }
.lab-topics { display: flex; flex-wrap: wrap; gap: 5px; }
.lab-topic { display: inline-flex; align-items: center; gap: 6px; padding: 6px 8px; border: 1px solid var(--border-card); border-radius: 8px; background: var(--bg-primary); }
.lab-topic b { font-size: .7rem; }
.lab-topic small { color: var(--text-secondary); font-size: .62rem; }
.lab-chart { min-height: 92px; margin-bottom: 8px; }

@media (max-width: 900px) {
  .lab-grid--metrics { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .lab-layout { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .lab-main { width: min(100% - 20px, 1180px); padding-top: 12px; }
  .lab-hero { padding: 16px; margin-bottom: 8px; }
  .lab-hero p { font-size: .8rem; }
  .lab-grid--metrics { gap: 6px; margin-bottom: 8px; }
  .lab-card { padding: 11px; }
  .lab-card strong { font-size: 1.25rem; }
  .lab-layout, .lab-column { gap: 8px; }
  .lab-panel { padding: 11px; }
  .lab-flow { grid-template-columns: 1fr 1fr; }
  .lab-horizon-grid { grid-template-columns: 1fr; }
  .lab-architecture { grid-template-columns: 1fr; }
  .lab-architecture i { transform: rotate(90deg); }
  .lab-source-rank__row { grid-template-columns: minmax(105px,1fr) minmax(80px,1.2fr) auto; }
}
@media (prefers-reduced-motion: reduce) {
  .category-chip:hover, .lab-button:hover { transform: none; }
}

/* ============================================================
   v16 — мультивыбор категорий и плотный touch-интерфейс
   Кнопки категорий не являются вкладками: несколько категорий могут быть
   выбраны одновременно, поэтому используем семантику toggle-кнопок.
   ============================================================ */
.category-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(126px, 1fr));
  gap: 5px;
}
.category-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  width: 100%;
  min-height: 38px;
  padding: 7px 9px;
  border: 1px solid var(--border-card);
  border-radius: 10px;
  background: var(--bg-secondary);
  color: var(--text-secondary);
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  transition: background var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast), box-shadow var(--transition-fast);
}
.category-chip--active {
  color: var(--text-primary);
  border-color: rgba(88,166,255,.42);
  box-shadow: inset 0 0 0 1px rgba(88,166,255,.10);
}
.category-chip__icon { width: 1.1em; text-align: center; flex: 0 0 1.1em; }
.category-chip strong { margin-left: auto; font-size: .68rem; font-variant-numeric: tabular-nums; opacity: .72; }
.category-chip:focus-visible,
.category-clear:focus-visible { outline: 3px solid var(--accent-blue); outline-offset: 2px; }
.category-chip:disabled { opacity: .55; cursor: wait; }
.category-summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-top: 6px;
  color: var(--text-secondary);
  font-size: .7rem;
  line-height: 1.3;
}
.category-clear {
  flex: 0 0 auto;
  min-height: 30px;
  padding: 5px 8px;
  border: 1px solid var(--border-card);
  border-radius: 8px;
  background: transparent;
  color: var(--text-secondary);
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}
.category-clear:hover { color: var(--text-primary); }
.category-clear:disabled { opacity: .55; }

/* При множественном выборе мобильный интерфейс не превращается в
   горизонтальный скролл: кнопки складываются в две компактные колонки. */
@media (max-width: 760px) {
  .category-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 5px;
  }
  .category-chip { min-height: 42px; padding: 8px 9px; font-size: .76rem; }
  .category-summary { min-height: 30px; }
}
@media (max-width: 390px) {
  .category-grid { grid-template-columns: 1fr; }
  .category-chip { min-height: 40px; }
}