@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&family=JetBrains+Mono:wght@400;500&display=swap');

/* Custom Scrollbar Hiding */
.no-scrollbar::-webkit-scrollbar {
  display: none;
}
.no-scrollbar {
  -ms-overflow-style: none;
  scrollbar-width: none;
}

/* Mask for fading edges on scrollable areas */
.mask-linear-fade {
  mask-image: linear-gradient(to right, transparent, black 10px, black 90%, transparent);
  -webkit-mask-image: linear-gradient(to right, transparent, black 10px, black 90%, transparent);
}

@media (min-width: 768px) {
  .mask-linear-fade {
    mask-image: none;
    -webkit-mask-image: none;
  }
}

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

.animate-fade-in {
  animation: fadeIn 0.5s ease-out forwards;
}

:root {
  --glass-bg: rgba(251, 251, 253, 0.8);
}

.glass-nav {
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-fade-in-up {
  animation: fadeInUp 1s cubic-bezier(0.16, 1, 0.3, 1) forwards;
  opacity: 0;
}

/* Filter menu (wifur1 Sidebar-style): native <details> accordion */
details.nav-sidebar-acc summary {
  list-style: none;
}
details.nav-sidebar-acc summary::-webkit-details-marker {
  display: none;
}
details.nav-sidebar-acc[open] summary .nav-sidebar-chevron {
  transform: rotate(180deg);
}

/* -------------------------------------------------------------------------- */
/* Apple-like motion: timing, page shell, curtain, tap feedback               */
/* -------------------------------------------------------------------------- */

:root {
  --motion-ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --motion-ease-smooth: cubic-bezier(0.25, 0.1, 0.25, 1);
  --motion-enter-ms: 560ms;
  --motion-exit-ms: 340ms;
  --motion-tap-ms: 220ms;
}

@media (prefers-reduced-motion: reduce) {
  :root {
    --motion-enter-ms: 0ms;
    --motion-exit-ms: 0ms;
    --motion-tap-ms: 0ms;
  }
}

/* Main content: first paint + settle (subtle lift + de-blur) */
#page-shell.page-shell--boot {
  opacity: 0;
  transform: translate3d(0, 18px, 0) scale(0.988);
  filter: blur(10px);
  will-change: opacity, transform, filter;
}

#page-shell.page-shell--ready {
  opacity: 1;
  transform: translate3d(0, 0, 0) scale(1);
  filter: none;
  transition:
    opacity var(--motion-enter-ms) var(--motion-ease-out),
    transform var(--motion-enter-ms) var(--motion-ease-out),
    filter calc(var(--motion-enter-ms) * 0.85) var(--motion-ease-smooth);
  will-change: auto;
}

#page-shell.page-shell--exit {
  opacity: 0.72;
  transform: translate3d(0, 10px, 0) scale(0.985);
  filter: blur(6px);
  transition:
    opacity var(--motion-exit-ms) var(--motion-ease-out),
    transform var(--motion-exit-ms) var(--motion-ease-out),
    filter var(--motion-exit-ms) var(--motion-ease-smooth);
  pointer-events: none;
}

@media (prefers-reduced-motion: reduce) {
  #page-shell.page-shell--boot,
  #page-shell.page-shell--ready,
  #page-shell.page-shell--exit {
    opacity: 1 !important;
    transform: none !important;
    filter: none !important;
    transition: none !important;
  }
}

/* Full-viewport curtain during outbound navigation */
.page-transition-curtain {
  position: fixed;
  inset: 0;
  z-index: 92;
  pointer-events: none;
  opacity: 0;
  background: rgba(251, 251, 253, 0.42);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  transition: opacity var(--motion-exit-ms) var(--motion-ease-out);
}

.page-transition-curtain.page-transition-curtain--visible {
  opacity: 1;
  pointer-events: auto;
}

@media (prefers-reduced-motion: reduce) {
  .page-transition-curtain {
    transition: none;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
  }
  .page-transition-curtain.page-transition-curtain--visible {
    opacity: 1;
    background: rgba(251, 251, 253, 0.95);
  }
}

/* Tap / press: crisp micro-scale on primary controls */
button,
input[type="submit"],
input[type="button"],
input[type="reset"],
summary,
[role="button"] {
  transition:
    transform var(--motion-tap-ms) var(--motion-ease-out),
    opacity 0.18s var(--motion-ease-smooth),
    box-shadow 0.25s var(--motion-ease-smooth),
    background-color 0.25s var(--motion-ease-smooth);
}

@media (prefers-reduced-motion: no-preference) {
  button:active:not(:disabled),
  input[type="submit"]:active:not(:disabled),
  input[type="button"]:active:not(:disabled),
  input[type="reset"]:active:not(:disabled),
  summary:active,
  [role="button"]:active {
    transform: scale(0.98);
  }

  a:active {
    opacity: 0.88;
    transition: opacity 0.15s var(--motion-ease-smooth);
  }
}