/* =================== ПЕРЕМЕННЫЕ =================== */
:root {
  --bg: #05060f;
  --bg-orb-1: radial-gradient(ellipse 60% 50% at 20% 10%, rgba(60, 80, 200, 0.18) 0%, transparent 70%);
  --bg-orb-2: radial-gradient(ellipse 50% 40% at 80% 80%, rgba(0, 160, 200, 0.12) 0%, transparent 70%);
  --bg-orb-3: radial-gradient(ellipse 40% 35% at 60% 30%, rgba(120, 40, 200, 0.10) 0%, transparent 70%);
  --surface: rgba(18, 18, 20, 0.74);
  --surface-solid: #0d0e1a;
  --glass: rgba(255, 255, 255, 0.042);
  --glass-hover: rgba(255, 255, 255, 0.072);
  --glass-border: rgba(255, 255, 255, 0.09);
  --glass-border-h: rgba(255, 255, 255, 0.18);
  --glass-blur: 20px;
  --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.55), inset 0 1px 0 rgba(255, 255, 255, 0.06);
  --text: #e8eef6;
  --muted: #7a84a0;
  --accent: #a8c8ff;
  --accent-glow: rgba(100, 170, 255, 0.25);
  --danger: #ff6b6b;
  --success: #4ade80;
  --radius-lg: 14px;
  --radius-sm: 10px;
  --max-width: 1200px;
  --header-h: 62px;
  --transition: 0.22s cubic-bezier(0.4, 0, 0.2, 1);
  --ui-font-size: 15px;
}

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

html { scroll-behavior: smooth; }

body {
  min-height: 100vh;
  background-color: var(--bg);
  background-image: var(--bg-orb-1), var(--bg-orb-2), var(--bg-orb-3);
  background-attachment: fixed;
  color: var(--text);
  font-family: 'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  -webkit-text-size-adjust: 100%;
  line-height: 1.5;
  /* Safe area for notch */
  padding-bottom: env(safe-area-inset-bottom);
  padding-left: env(safe-area-inset-left);
  padding-right: env(safe-area-inset-right);
}

p, li, span, a, h1, h2, h3, h4 {
  word-break: break-word;
  hyphens: auto;
}

::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(255, 255, 255, 0.12); border-radius: 99px; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; animation: none !important; }
}

/* =================== HEADER =================== */
header {
  position: sticky;
  top: 0;
  z-index: 999;
  width: 100%;
  height: var(--header-h);
  display: flex;
  align-items: center;
  background: rgba(5, 6, 15, 0.72);
  backdrop-filter: blur(var(--glass-blur)) saturate(160%);
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(160%);
  border-bottom: 1px solid var(--glass-border);
  box-shadow: 0 1px 24px rgba(0, 0, 0, 0.6);
}

/* Единый inner-враппер — grid для точного центрирования nav */
header > div,
header > .header-inner-wrap {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 12px;
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 16px;
}

header > div > .logo,
header > div > a.logo,
header > .header-inner-wrap > .logo,
header > .header-inner-wrap > a.logo { justify-self: start; }

header > div > nav,
header > .header-inner-wrap > nav {
  justify-self: center;
  min-width: 0;
}

header > div > #user-block,
header > .header-inner-wrap > #user-block { justify-self: end; }

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: clamp(15px, 2.2vw, 19px);
  color: var(--text);
  text-decoration: none;
  flex-shrink: 0;
  letter-spacing: -0.02em;
}

.logo img {
  width: clamp(24px, 3.5vw, 32px);
  height: auto;
  border-radius: 8px;
  object-fit: cover;
  display: block;
}

/* Nav */
nav { min-width: 0; }

nav ul {
  display: flex;
  gap: 4px;
  list-style: none;
  align-items: center;
  justify-content: center;
  flex-wrap: nowrap;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

nav ul::-webkit-scrollbar { display: none; }

nav a {
  color: var(--muted);
  text-decoration: none;
  font-weight: 500;
  font-size: clamp(12px, 1.8vw, 14.5px);
  white-space: nowrap;
  padding: 7px 10px;
  border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
  display: inline-block;
  /* Минимальный размер touch-цели 44px */
  min-height: 44px;
  display: flex;
  align-items: center;
}

nav a:hover,
nav a:focus,
nav a.active {
  color: var(--text);
  background: var(--glass);
  outline: none;
}

/* User block */
#user-block {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
}

.user-btn {
  display: inline-flex;
  align-items: center;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  text-decoration: none;
  font-weight: 600;
  font-size: clamp(11px, 1.6vw, 13px);
  transition: all var(--transition);
  border: 1px solid transparent;
  cursor: pointer;
  line-height: 1.2;
  white-space: nowrap;
  font-family: inherit;
  min-height: 36px; /* touch target */
}

.user-btn-green {
  background: rgba(74, 222, 128, 0.15);
  color: var(--success);
  border-color: rgba(74, 222, 128, 0.25);
}

.user-btn-green:hover { background: rgba(74, 222, 128, 0.25); }

.user-btn-blue {
  background: rgba(100, 170, 255, 0.12);
  color: var(--accent);
  border-color: rgba(100, 170, 255, 0.2);
}

.user-btn-blue:hover { background: rgba(100, 170, 255, 0.22); }

.user-btn-red {
  background: rgba(255, 107, 107, 0.12);
  color: var(--danger);
  border-color: rgba(255, 107, 107, 0.2);
}

.user-btn-red:hover { background: rgba(255, 107, 107, 0.22); }

.user-btn:hover {
  transform: translateY(-1px);
}

/* =================== ОСНОВНОЙ КОНТЕНТ =================== */
main {
  padding: clamp(14px, 3vw, 32px);
  max-width: 880px;         /* уже чем 1200 — для страниц приложений */
  margin: 0 auto;
}

.app-detail {
  background: var(--glass);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--glass-border);
  padding: clamp(16px, 3vw, 36px);
  border-radius: 20px;
  box-shadow: var(--glass-shadow);
  margin: 0 auto;
  text-align: center;
  max-width: 820px;         /* карточка не тянется на весь экран */
}

.app-detail h2 {
  margin-top: 0;
  margin-bottom: 0.3em;
  font-family: 'Syne', sans-serif;
  font-size: clamp(1.5em, 5vw, 2.2em);
  font-weight: 700;
  letter-spacing: -0.03em;

  /* Стеклянная плитка */
  background: rgba(255, 255, 255, 0.03);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  display: inline-block;
  padding: 12px 24px;
  border-radius: 14px;
  border: 1px solid rgba(168, 200, 255, 0.2);
  color: var(--text);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3), 0 0 0 0 var(--accent-glow);

  transform-style: preserve-3d;
  transition:
    transform 0.4s cubic-bezier(0.22, 0.61, 0.36, 1),
    box-shadow 0.4s ease,
    border-color 0.3s ease;
  cursor: default;
  user-select: none;
}

.app-detail h2:hover {
  transform: translateZ(12px) translateY(-4px) rotateX(2deg);
  box-shadow:
    0 14px 32px rgba(0, 0, 0, 0.4),
    0 0 20px var(--accent-glow),
    0 4px 12px rgba(168, 200, 255, 0.12);
  border-color: rgba(168, 200, 255, 0.4);
}

.program-description {
  word-wrap: break-word;
  overflow-wrap: break-word;
}

.program-description p {
  line-height: 1.7;
  font-size: clamp(14px, 2vw, 16px);
  text-align: left;
  margin: 1.2em 0;
  color: var(--text);
}

.program-description strong { color: var(--accent); }

/* Контентный текст в app-detail (не .program-description) */
.app-detail > p,
.app-detail > ul {
  text-align: left;
  font-size: clamp(14px, 2vw, 15px);
  line-height: 1.7;
  color: var(--text);
  margin: 1em 0;
}

.app-detail > ul {
  padding-left: 1.4em;
}

.app-detail > ul li {
  margin-bottom: 0.4em;
}

/* Warning box — переопределяем inline-стили */
.app-detail p[style] {
  background: rgba(255, 107, 107, 0.07) !important;
  padding: 12px 16px !important;
  border-left: 3px solid rgba(255, 107, 107, 0.5) !important;
  border-radius: 8px !important;
  color: #ffaaaa !important;
  font-size: 14px !important;
}

/* =================== СКРИНШОТЫ — FLUID CAROUSEL =================== */
.screenshots {
  margin-top: 0.5em;
  width: 100%;
  position: relative;
  padding: 40px 0 24px;
  animation: slideIn 0.6s cubic-bezier(0.22, 0.61, 0.36, 1) both;
}

.screenshots-container {
  position: relative;
  width: 100%;
  overflow: hidden;
}

.screenshots-grid {
  display: flex;
  overflow-x: auto;
  gap: 16px;                /* ИСПРАВЛЕНО: gap не может быть отрицательным */
  padding: 24px clamp(12px, 8%, 15%);
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  cursor: grab;
  touch-action: pan-y;
  /* fade-out края */
  mask-image: linear-gradient(90deg, transparent 0%, black 8%, black 92%, transparent 100%);
  -webkit-mask-image: linear-gradient(90deg, transparent 0%, black 8%, black 92%, transparent 100%);
}

.screenshots-grid:active { cursor: grabbing; }
.screenshots-grid::-webkit-scrollbar { display: none; }

.screenshots-grid img {
  scroll-snap-align: center;
  scroll-snap-stop: always;
  flex: 0 0 auto;
  /* FLUID: адаптируется к экрану */
  width: clamp(220px, 60vw, 640px);
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: contain;
  border-radius: 14px;
  background: var(--surface-solid);
  border: 1px solid var(--glass-border);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.35);
  transition: all 0.42s cubic-bezier(0.22, 0.61, 0.36, 1);
  cursor: pointer;
  will-change: transform, opacity;
  z-index: 1;
}

/* Активный скриншот */
.screenshots-grid img.screenshot-active {
  transform: scale(1.06) translateY(-8px);
  z-index: 3;
  border-color: rgba(168, 200, 255, 0.4);
  box-shadow:
    0 12px 32px var(--accent-glow),
    0 6px 20px rgba(0, 0, 0, 0.4);
  filter: brightness(1.05);
}

.screenshots-grid img:not(.screenshot-active) {
  transform: scale(0.94);
  opacity: 0.72;            /* ИСПРАВЛЕНО: было 1.7 (невалидно, max=1) */
  filter: brightness(0.88) contrast(0.98);
  z-index: 1;
}

/* Кнопки навигации (только десктоп) */
.carousel-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 44px;
  height: 44px;
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: 50%;
  color: white;
  font-size: 18px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  transition: all var(--transition);
  opacity: 0;
  pointer-events: none;
}

@media (min-width: 768px) {
  .screenshots-container:hover .carousel-nav {
    opacity: 1;
    pointer-events: auto;
  }
}

.carousel-nav:hover {
  background: rgba(168, 200, 255, 0.12);
  color: var(--accent);
  transform: translateY(-50%) scale(1.1);
  border-color: var(--glass-border-h);
}

.carousel-nav.prev { left: 10px; }
.carousel-nav.next { right: 10px; }

/* Индикаторы */
.carousel-indicators {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 20px;
}

.carousel-indicator {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.28);
  transition: all 0.25s ease;
  cursor: pointer;
}

.carousel-indicator.active {
  background: var(--accent);
  transform: scale(1.35);
  box-shadow: 0 0 0 4px var(--accent-glow);
}

.screenshots-instruction {
  display: block;
  text-align: center;
  color: var(--muted);
  font-size: 13px;
  margin-top: 14px;
  opacity: 0.75;
}

/* =================== МОДАЛЬНОЕ ОКНО ДЛЯ СКРИНШОТОВ =================== */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.94);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 2000;
  justify-content: center;
  align-items: center;
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none; /* не перехватываем клики пока закрыто */
}

.modal-overlay.active {
  display: flex;
  opacity: 1;
  pointer-events: auto;
}

.modal-image-container {
  position: relative;
  max-width: 92%;
  max-height: 90%;
  text-align: center;
}

.modal-image {
  max-width: 100%;
  max-height: 85vh;
  border-radius: 12px;
  box-shadow: 0 25px 80px rgba(0, 0, 0, 0.9);
  object-fit: contain;
  border: 1px solid var(--glass-border);
}

.modal-close {
  position: absolute;
  top: -48px;
  right: -8px;
  color: white;
  font-size: 28px;
  cursor: pointer;
  background: rgba(0, 0, 0, 0.6);
  border: 1px solid var(--glass-border);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  transition: all 0.25s ease;
  font-weight: bold;
}

.modal-close:hover {
  background: rgba(255, 107, 107, 0.25);
  border-color: rgba(255, 107, 107, 0.4);
  transform: scale(1.1);
}

/* =================== КНОПКИ СКАЧИВАНИЯ =================== */
.buttons-container {
  display: flex;
  flex-direction: row;
  justify-content: center;
  gap: 12px;
  margin-top: 28px;
  flex-wrap: wrap;
}

.download-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 24px;
  font-size: clamp(14px, 2vw, 16px);
  font-weight: 700;
  font-family: inherit;
  border-radius: 12px;
  cursor: pointer;
  text-decoration: none;
  color: white;
  min-width: 160px;
  min-height: 48px;         /* Хороший touch target */
  text-align: center;
  border: none;
  background: #5e35b1;
  -webkit-user-select: none;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
}

.download-btn:active {
  background: #4527a0;
  opacity: 0.92;
  transform: scale(0.97);
}

.download-btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

/* Типы кнопок */
.apk-btn  { background: linear-gradient(135deg, #6a3fc8, #4527a0); }
.apk-btn:hover { background: linear-gradient(135deg, #7c52d6, #5e35b1); box-shadow: 0 0 16px rgba(106, 63, 200, 0.4); }

.chat-btn  { background: linear-gradient(135deg, #2196F3, #1565C0); }
.chat-btn:hover { background: linear-gradient(135deg, #42a5f5, #1976D2); box-shadow: 0 0 16px rgba(33, 150, 243, 0.4); }

.drive-btn { background: linear-gradient(135deg, #FF9800, #E65100); }
.drive-btn:hover { background: linear-gradient(135deg, #FFB74D, #F57C00); box-shadow: 0 0 16px rgba(255, 152, 0, 0.4); }

/* Кнопки тем */
.custom-themes-btn,
.official-themes-btn {
  position: relative;
  background: var(--glass);
  overflow: hidden;
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}

.custom-themes-btn {
  border: 1px solid rgba(168, 200, 255, 0.2);
  color: var(--accent);
}

.custom-themes-btn:hover {
  border-color: rgba(168, 200, 255, 0.45);
  box-shadow: 0 0 18px var(--accent-glow);
  transform: translateY(-2px);
  background: var(--glass-hover);
}

.official-themes-btn {
  border: 1px solid rgba(162, 132, 255, 0.2);
  color: #c8aaff;
}

.official-themes-btn:hover {
  border-color: rgba(162, 132, 255, 0.45);
  box-shadow: 0 0 18px rgba(162, 132, 255, 0.25);
  transform: translateY(-2px);
  background: var(--glass-hover);
}

/* =================== FOOTER =================== */
footer {
  text-align: center;
  padding: 24px 20px;
  margin-top: 40px;
  border-top: 1px solid var(--glass-border);
  color: var(--muted);
  font-size: 13px;
  background: rgba(5, 6, 15, 0.6);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.footer-btn {
  display: inline-block;
  padding: 4px 11px;
  background: var(--glass);
  color: var(--muted);
  text-decoration: none;
  border-radius: 6px;
  font-size: 13px;
  margin: 0 3px;
  border: 1px solid var(--glass-border);
  transition: all var(--transition);
}

.footer-btn:hover {
  background: var(--glass-hover);
  color: var(--text);
  border-color: var(--glass-border-h);
}

/* =================== PROGRAM CATEGORY BADGE =================== */
.program-category {
  display: inline-block;
  padding: 2px 10px;
  background: rgba(168, 200, 255, 0.08);
  color: var(--muted);
  border-radius: 99px;
  font-size: 11px;
  border: 1px solid var(--glass-border);
  margin-top: 4px;
}

/* =================== АНИМАЦИИ =================== */
@keyframes slideIn {
  from { opacity: 0; transform: translateY(14px) scale(0.99); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

/* =================== RESPONSIVE =================== */

/* Мобильные — общие правила */
@media (max-width: 768px) {
  main { padding: clamp(10px, 3vw, 20px); }

  .app-detail { padding: 16px; }

  .screenshots { padding: 28px 0 16px; }

  .buttons-container {
    flex-direction: column;
    align-items: center;
  }

  .download-btn {
    width: 100%;
    max-width: 340px;
    min-width: unset;
    padding: 14px 20px;
  }

  #user-block { gap: 4px; }
  .user-btn { padding: 5px 9px; font-size: 11px; }
}

/* Маленькие телефоны */
@media (max-width: 480px) {
  .app-detail h2 { font-size: 1.5em; padding: 10px 18px; }

  .screenshots { padding: 20px 0 12px; }

  .screenshots-grid {
    gap: 12px;
    padding: 16px clamp(8px, 5%, 10%);
  }

  .screenshots-grid img {
    width: clamp(200px, 78vw, 320px);
  }

  nav a { font-size: 12px; padding: 6px 8px; min-height: 44px; }
}

/* Очень маленькие (360px) */
@media (max-width: 360px) {
  .screenshots-grid img { width: clamp(180px, 82vw, 280px); }
  .modal-close { top: -44px; right: -4px; font-size: 24px; }
}

/* Touch-устройства — убираем стрелки */
@media (hover: none) and (pointer: coarse) {
  .screenshots-grid { cursor: default; }
  .carousel-nav { display: none; }
}

/* Большие экраны */
@media (min-width: 1200px) {
  .screenshots-grid img { width: clamp(560px, 50vw, 800px); }
}

@media (min-width: 1920px) {
  .screenshots-grid img { width: clamp(700px, 55vw, 1000px); }
}

/* Магнитолы (маленькая высота, ширина до 800) */
@media (max-height: 600px) and (max-width: 800px) {
  .screenshots { padding: 16px 0; }
  .screenshots-grid img { width: clamp(180px, 55vw, 340px); }
  .app-detail h2 { font-size: 1.3em; }
  main { padding: 10px; }
}

/* =================== BREADCRUMBS (app pages) =================== */
.breadcrumbs {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
  padding: 10px 4px 16px;
  font-size: 13px;
  color: var(--muted);
}

.breadcrumbs a {
  color: var(--muted);
  text-decoration: none;
  transition: color var(--transition);
}

.breadcrumbs a:hover { color: var(--accent); }

.bc-sep {
  color: rgba(255,255,255,0.2);
  font-size: 12px;
  user-select: none;
}

.bc-current {
  color: var(--text);
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 200px;
}