/* Mobile Viewport & PWA Improvements */
html {
  overflow-x: hidden;
  max-width: 100vw;
}

body {
  overflow-x: hidden;
  max-width: 100vw;
  touch-action: pan-y;
  -webkit-tap-highlight-color: transparent;
  padding-bottom: env(safe-area-inset-bottom, 0px);
}

/* Respektování systémového výřezu (Notch / Status Bar / Hodiny a ikony v rohu) */
header.sticky {
  padding-top: max(0.75rem, env(safe-area-inset-top, 0px)) !important;
  padding-left: max(0.75rem, env(safe-area-inset-left, 0px));
  padding-right: max(0.75rem, env(safe-area-inset-right, 0px));
}

#inAppUpdateBanner {
  padding-top: max(0.5rem, env(safe-area-inset-top, 0px)) !important;
  padding-left: max(0.75rem, env(safe-area-inset-left, 0px));
  padding-right: max(0.75rem, env(safe-area-inset-right, 0px));
}

* {
  box-sizing: border-box;
}

/* Hide scrollbar for clean mobile horizontal touch bars */
.scrollbar-none::-webkit-scrollbar {
  display: none;
}
.scrollbar-none {
  -ms-overflow-style: none;
  scrollbar-width: none;
}

/* Custom styling and scrollbars */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-track {
  background: #0F1216;
}
::-webkit-scrollbar-thumb {
  background: #283040;
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: #3a455c;
}

/* Modal Markdown Typography */
#changelogContent h1 {
  font-size: 1.35rem;
  font-weight: 800;
  color: #fff;
  border-bottom: 1px solid #283040;
  padding-bottom: 0.5rem;
  margin-top: 1rem;
}
#changelogContent h2 {
  font-size: 1.15rem;
  font-weight: 700;
  color: #00AE42;
  margin-top: 1.25rem;
  margin-bottom: 0.5rem;
}
#changelogContent h3 {
  font-size: 1rem;
  font-weight: 700;
  color: #93c5fd;
  margin-top: 1rem;
}
#changelogContent h4 {
  font-size: 0.875rem;
  font-weight: 600;
  color: #cbd5e1;
  margin-top: 0.75rem;
}
#changelogContent ul {
  list-style-type: disc;
  padding-left: 1.25rem;
  margin-top: 0.5rem;
  margin-bottom: 0.5rem;
}
#changelogContent li {
  margin-bottom: 0.25rem;
  color: #94a3b8;
}
#changelogContent strong {
  color: #f1f5f9;
}
#changelogContent hr {
  border-color: #283040;
  margin: 1.5rem 0;
}

/* ==========================================================================
   BEZPEČNOSTNÍ ZAMYKACÍ OBRAZOVKA (PIN & OTISK PRSTU)
   ========================================================================== */
.pin-dot {
  width: 14px;
  height: 14px;
  border-radius: 9999px;
  border: 2px solid #475569;
  background: transparent;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.pin-dot.filled {
  background: #10b981;
  border-color: #10b981;
  box-shadow: 0 0 12px rgba(16, 185, 129, 0.6);
  transform: scale(1.15);
}

.pin-dot.error {
  background: #f43f5e;
  border-color: #f43f5e;
  box-shadow: 0 0 12px rgba(244, 63, 94, 0.6);
}

.pin-key {
  width: 64px;
  height: 64px;
  border-radius: 18px;
  background: rgba(30, 41, 59, 0.65);
  border: 1px solid rgba(71, 85, 105, 0.4);
  color: #f8fafc;
  font-size: 1.25rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  user-select: none;
  transition: all 0.15s ease;
  backdrop-filter: blur(8px);
}

.pin-key:hover {
  background: rgba(51, 65, 85, 0.85);
  border-color: rgba(100, 116, 139, 0.6);
  transform: translateY(-1px);
}

.pin-key:active {
  background: rgba(16, 185, 129, 0.3);
  border-color: #10b981;
  transform: scale(0.94);
}

@keyframes pinShake {
  0%, 100% { transform: translateX(0); }
  20%, 60% { transform: translateX(-8px); }
  40%, 80% { transform: translateX(8px); }
}

.pin-shake {
  animation: pinShake 0.4s ease-in-out;
}