/* SatkaVPN cabinet — website-matched design, performance-first */

:root {
  color-scheme: dark;
  --satka-bg: #030303;
  --satka-surface: rgba(255, 255, 255, 0.02);
  --satka-border: rgba(255, 255, 255, 0.08);
  --satka-border-hover: rgba(255, 255, 255, 0.16);
  --satka-text: #ffffff;
  --satka-muted: #888888;
  --satka-dim: #666666;
  --satka-ease: cubic-bezier(0.16, 1, 0.3, 1);
  --satka-radius: 1rem;
  --satka-pill: 999px;
  --satka-shell: 42rem;
}

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

html,
body,
#root {
  background-color: var(--satka-bg) !important;
  color: var(--satka-text);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Inter, sans-serif;
  -webkit-font-smoothing: antialiased;
}

body {
  overflow-x: clip;
  padding-left: env(safe-area-inset-left);
  padding-right: env(safe-area-inset-right);
}

html.satka-mobile #root {
  padding-bottom: calc(4.5rem + env(safe-area-inset-bottom));
}

#root {
  position: relative;
  z-index: 2;
  contain: layout style;
}

/* ── Decorative shell (static on mobile / low-perf) ── */
.satka-shell {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}

.satka-bg {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 130% 90% at 50% -30%, #141414 0%, #030303 60%);
}

.satka-orb {
  position: absolute;
  border-radius: 50%;
  opacity: 0.85;
}

.satka-orb-1 {
  width: min(45vw, 420px);
  height: min(45vw, 420px);
  top: -12%;
  left: -8%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.16) 0%, transparent 70%);
}

.satka-orb-2 {
  width: min(35vw, 320px);
  height: min(35vw, 320px);
  right: -6%;
  top: 38%;
  background: radial-gradient(circle, rgba(180, 180, 180, 0.1) 0%, transparent 70%);
}

.satka-orb-3 {
  width: min(28vw, 260px);
  height: min(28vw, 260px);
  left: 28%;
  bottom: -4%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.07) 0%, transparent 70%);
}

html:not(.satka-low-perf) .satka-orb-1 {
  filter: blur(60px);
  animation: satka-float1 24s var(--satka-ease) infinite alternate;
}

html:not(.satka-low-perf) .satka-orb-2 {
  filter: blur(50px);
  animation: satka-float2 30s var(--satka-ease) infinite alternate-reverse;
}

html:not(.satka-low-perf) .satka-orb-3 {
  filter: blur(40px);
  animation: satka-float3 20s var(--satka-ease) infinite alternate;
}

@keyframes satka-float1 {
  to { transform: translate(4%, 6%) scale(1.05); }
}

@keyframes satka-float2 {
  to { transform: translate(-5%, -3%) scale(1.04); }
}

@keyframes satka-float3 {
  to { transform: translate(3%, -5%); }
}

.satka-scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 2px;
  width: 0;
  z-index: 100;
  background: linear-gradient(90deg, transparent, #fff, transparent);
  transition: width 0.08s linear;
}

/* ── Performance: tame heavy React/motion effects ── */
html.satka-low-perf *,
html.satka-low-perf *::before,
html.satka-low-perf *::after {
  animation-duration: 0.01ms !important;
  animation-iteration-count: 1 !important;
  transition-duration: 0.01ms !important;
}

html.satka-low-perf .satka-orb {
  filter: none !important;
  animation: none !important;
}

/* Avoid universal attribute selectors — they force full-tree style recalc */

/* ── Cabinet app surfaces ── */
#root main,
#root [role='main'] {
  max-width: var(--satka-shell);
  margin-left: auto;
  margin-right: auto;
  padding-left: max(0.75rem, env(safe-area-inset-left));
  padding-right: max(0.75rem, env(safe-area-inset-right));
}

#root [class*='card'],
#root [class*='Card'] {
  border-radius: var(--satka-radius) !important;
  border-color: var(--satka-border) !important;
  background: var(--satka-surface) !important;
  box-shadow: none !important;
}

/* Disable onboarding tour — breaks navigation on mobile */
.onboarding-overlay,
.onboarding-spotlight,
.onboarding-tooltip {
  display: none !important;
  pointer-events: none !important;
}

/* Primary buttons — website pill style (auth/forms only) */
#root form button[type='submit']:not([class*='ghost']):not([class*='outline']):not([class*='link']),
#root [data-page='auth'] button[class*='bg-primary'],
#root a[class*='bg-primary'] {
  border-radius: var(--satka-pill) !important;
  background: #fff !important;
  color: #000 !important;
  border: 1px solid #fff !important;
  font-weight: 600 !important;
  box-shadow: 0 0 24px rgba(255, 255, 255, 0.06) !important;
  transition: box-shadow 0.3s var(--satka-ease), transform 0.2s ease !important;
}

#root button[class*='bg-primary']:hover,
#root a[class*='bg-primary']:hover,
#root form button[type='submit']:hover {
  box-shadow: 0 0 36px rgba(255, 255, 255, 0.14) !important;
  transform: translateY(-1px);
}

#root button[class*='outline'],
#root a[class*='outline'],
#root button[class*='ghost'] {
  border-radius: var(--satka-pill) !important;
  border-color: rgba(255, 255, 255, 0.18) !important;
  background: rgba(255, 255, 255, 0.04) !important;
}

/* Bottom nav — solid bg, no blur (blur lags on weak GPUs) */
#root nav,
#root [class*='BottomNav'],
#root [class*='bottom-nav'] {
  background: rgba(3, 3, 3, 0.94) !important;
  backdrop-filter: none !important;
  -webkit-backdrop-filter: none !important;
  border-top: 1px solid rgba(255, 255, 255, 0.06) !important;
}

#root header,
#root [class*='Header'] {
  background: rgba(3, 3, 3, 0.92) !important;
  backdrop-filter: none !important;
  -webkit-backdrop-filter: none !important;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06) !important;
}

#root input,
#root textarea,
#root select {
  border-radius: 0.75rem !important;
  background: rgba(255, 255, 255, 0.04) !important;
  border-color: rgba(255, 255, 255, 0.1) !important;
}

#root input:focus,
#root textarea:focus,
#root select:focus {
  border-color: rgba(255, 255, 255, 0.28) !important;
  box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.06) !important;
}

/* Status badges */
#root [class*='success'],
#root [class*='badge'][class*='green'] {
  background: rgba(34, 197, 94, 0.14) !important;
  color: #86efac !important;
  border-radius: var(--satka-pill) !important;
}

/* Scrollbar */
* {
  scrollbar-width: thin;
  scrollbar-color: rgba(255, 255, 255, 0.16) transparent;
}

/* ── Injected home sections (satka-enhance.js) ── */
.satka-home {
  content-visibility: auto;
  contain-intrinsic-size: auto 600px;
  margin-bottom: 1.25rem;
}

.satka-hero {
  padding: 0.25rem 0 1.25rem;
}

.satka-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.85rem;
  color: var(--satka-dim);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.satka-tag::before {
  content: '';
  width: 20px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--satka-dim));
}

.satka-hero h2 {
  margin: 0 0 0.65rem;
  font-size: clamp(1.55rem, 5vw, 2.15rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.08;
}

html:not(.satka-low-perf) .satka-hero h2 {
  background: linear-gradient(120deg, #fff 0%, #c8c8c8 45%, #fff 90%);
  background-size: 200% auto;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: satka-shimmer 5s linear infinite;
}

@keyframes satka-shimmer {
  to { background-position: 200% center; }
}

.satka-hero p {
  margin: 0;
  color: var(--satka-muted);
  font-size: 0.92rem;
  line-height: 1.65;
  max-width: 28rem;
}

.satka-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.55rem;
  margin: 1rem 0 1.15rem;
  list-style: none;
  padding: 0;
}

.satka-stats li {
  padding: 0.75rem 0.65rem;
  border: 1px solid var(--satka-border);
  border-radius: 0.85rem;
  background: rgba(255, 255, 255, 0.02);
  transition: transform 0.3s var(--satka-ease), border-color 0.3s ease;
}

html:not(.satka-low-perf) .satka-stats li:hover {
  transform: translateY(-2px);
  border-color: rgba(255, 255, 255, 0.14);
}

.satka-stats strong {
  display: block;
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 0.15rem;
}

.satka-stats span {
  color: var(--satka-muted);
  font-size: 0.68rem;
  line-height: 1.35;
}

.satka-section-head {
  margin: 1.1rem 0 0.65rem;
}

.satka-section-head h3 {
  margin: 0 0 0.25rem;
  font-size: 1rem;
  font-weight: 600;
}

.satka-section-head p {
  margin: 0;
  color: var(--satka-muted);
  font-size: 0.82rem;
}

/* Feature slider */
.satka-slider-wrap {
  position: relative;
  margin: 0 -0.25rem;
}

.satka-slider {
  display: flex;
  gap: 0.75rem;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  -webkit-overflow-scrolling: touch;
  padding: 0.25rem 0.25rem 0.75rem;
  scrollbar-width: none;
}

.satka-slider::-webkit-scrollbar {
  display: none;
}

.satka-slide {
  flex: 0 0 min(82vw, 17rem);
  scroll-snap-align: start;
  padding: 1.1rem;
  border-radius: var(--satka-radius);
  border: 1px solid var(--satka-border);
  background: rgba(255, 255, 255, 0.02);
  transition: transform 0.35s var(--satka-ease), border-color 0.3s ease, box-shadow 0.35s ease;
}

html:not(.satka-low-perf) .satka-slide:hover {
  transform: translateY(-4px);
  border-color: var(--satka-border-hover);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.35);
}

.satka-slide-icon {
  width: 2rem;
  height: 2rem;
  margin-bottom: 0.75rem;
  color: #fff;
}

.satka-slide h4 {
  margin: 0 0 0.35rem;
  font-size: 0.95rem;
  font-weight: 600;
}

.satka-slide p {
  margin: 0;
  color: var(--satka-muted);
  font-size: 0.82rem;
  line-height: 1.55;
}

.satka-dots {
  display: flex;
  justify-content: center;
  gap: 0.35rem;
  margin-top: 0.15rem;
}

.satka-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  border: none;
  padding: 0;
  background: rgba(255, 255, 255, 0.18);
  cursor: pointer;
}

.satka-dot.active {
  background: #fff;
  transform: scale(1.2);
}

/* Marquee */
.satka-marquee-wrap {
  overflow: hidden;
  margin: 0.5rem 0 1rem;
  mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}

html.satka-low-perf .satka-marquee-track {
  animation: none !important;
}

.satka-marquee-track {
  display: flex;
  gap: 0.65rem;
  width: max-content;
  animation: satka-marquee 36s linear infinite;
}

.satka-marquee-track span {
  flex-shrink: 0;
  padding: 0.5rem 1rem;
  border: 1px solid var(--satka-border);
  border-radius: var(--satka-pill);
  font-size: 0.8rem;
  color: var(--satka-muted);
  background: rgba(255, 255, 255, 0.02);
}

@keyframes satka-marquee {
  to { transform: translateX(-50%); }
}

/* Quick links */
.satka-quick-links {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.6rem;
  margin: 0.75rem 0 1rem;
}

.satka-quick-link {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 2.65rem;
  padding: 0.6rem 0.8rem;
  border-radius: var(--satka-pill);
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(255, 255, 255, 0.04);
  color: #fff;
  font-size: 0.84rem;
  font-weight: 600;
  text-decoration: none;
  transition: border-color 0.2s ease, background 0.2s ease;
}

.satka-quick-link:hover {
  border-color: rgba(255, 255, 255, 0.32);
  background: rgba(255, 255, 255, 0.08);
}

.satka-quick-link.accent {
  background: #fff;
  color: #000;
  border-color: #fff;
}

/* Mini FAQ */
.satka-faq {
  margin: 0.5rem 0 1rem;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.satka-faq details {
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.satka-faq summary {
  cursor: pointer;
  padding: 0.85rem 0;
  font-size: 0.88rem;
  font-weight: 500;
  list-style: none;
}

.satka-faq summary::-webkit-details-marker {
  display: none;
}

.satka-faq p {
  margin: 0 0 0.85rem;
  color: var(--satka-muted);
  font-size: 0.82rem;
  line-height: 1.6;
}

.satka-faq a {
  color: #fff;
  text-decoration: underline;
  text-underline-offset: 2px;
}

/* Reveal (IntersectionObserver in JS) */
.satka-reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.65s var(--satka-ease), transform 0.65s var(--satka-ease);
}

.satka-reveal.visible {
  opacity: 1;
  transform: none;
}

html.satka-low-perf .satka-reveal {
  opacity: 1;
  transform: none;
}

@media (max-width: 768px) {
  :root {
    --satka-shell: 100%;
  }

  .satka-shell .satka-orb-2,
  .satka-shell .satka-orb-3 {
    display: none;
  }

  .satka-scroll-progress {
    display: none;
  }

  #root main,
  #root [role='main'] {
    padding-left: max(1rem, env(safe-area-inset-left));
    padding-right: max(1rem, env(safe-area-inset-right));
    padding-top: 0.25rem;
  }

  #root nav,
  #root [class*='BottomNav'],
  #root [class*='bottom-nav'] {
    padding-bottom: env(safe-area-inset-bottom) !important;
    min-height: calc(3.5rem + env(safe-area-inset-bottom)) !important;
  }

  #root nav a,
  #root nav button,
  #root [class*='BottomNav'] a,
  #root [class*='BottomNav'] button {
    min-height: 2.75rem;
    font-size: 0.7rem !important;
  }

  #root input,
  #root textarea,
  #root select,
  #root button {
    font-size: 16px !important;
  }

  #root h1 {
    font-size: 1.35rem !important;
    line-height: 1.2 !important;
  }

  .satka-deeplink-login {
    max-width: none;
    margin-left: 0;
    margin-right: 0;
  }

  .satka-stats {
    grid-template-columns: 1fr;
  }

  .satka-quick-links {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .satka-stats {
    grid-template-columns: 1fr;
  }

  .satka-quick-links {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  .satka-marquee-track,
  .satka-orb {
    animation: none !important;
  }

  .satka-reveal {
    opacity: 1;
    transform: none;
  }
}

/* ── Deeplink login (browser fallback when Telegram widget domain is invalid) ── */
.satka-deeplink-login {
  width: 100%;
  max-width: 22rem;
  margin: 0 auto 1.25rem;
  padding: 1.25rem;
  border-radius: var(--satka-radius);
  border: 1px solid var(--satka-border);
  background: rgba(255, 255, 255, 0.03);
  text-align: center;
}

.satka-deeplink-title {
  margin: 0 0 0.35rem;
  font-size: 1rem;
  font-weight: 600;
  color: var(--satka-text);
}

.satka-deeplink-hint {
  margin: 0 0 1rem;
  font-size: 0.75rem;
  line-height: 1.45;
  color: var(--satka-muted);
}

.satka-deeplink-open {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  padding: 0.75rem 1rem;
  border-radius: 0.75rem;
  background: #54a9eb;
  color: #fff;
  font-size: 0.875rem;
  font-weight: 600;
  text-decoration: none;
  transition: background 0.2s ease;
}

.satka-deeplink-open:hover {
  background: #4a96d2;
}

.satka-deeplink-or {
  margin: 1rem 0 0.5rem;
  font-size: 0.6875rem;
  color: var(--satka-dim);
}

.satka-deeplink-cmd {
  display: flex;
  width: 100%;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  padding: 0.625rem 0.75rem;
  border: 1px solid var(--satka-border);
  border-radius: 0.625rem;
  background: rgba(0, 0, 0, 0.35);
  color: var(--satka-text);
  cursor: pointer;
  text-align: left;
}

.satka-deeplink-cmd code {
  font-size: 0.6875rem;
  word-break: break-all;
  color: #c8e7ff;
}

.satka-deeplink-copy {
  flex-shrink: 0;
  font-size: 0.625rem;
  color: var(--satka-muted);
}

.satka-deeplink-wait {
  margin: 0.75rem 0 0;
  font-size: 0.75rem;
  color: #7dd3a8;
}