/* Gachiakuta.eu — couche responsive/adaptative progressive. */
:root {
  --kione-safe-top: env(safe-area-inset-top, 0px);
  --kione-safe-right: env(safe-area-inset-right, 0px);
  --kione-safe-bottom: env(safe-area-inset-bottom, 0px);
  --kione-safe-left: env(safe-area-inset-left, 0px);
  --kione-page-gutter: clamp(12px, 2.2vw, 32px);
  --kione-fluid-gap: clamp(10px, 1.8vw, 24px);
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scrollbar-gutter: stable;
}

html {
  min-width: 280px;
  overflow-x: clip;
}

body {
  min-height: 100vh;
  min-height: 100dvh;
  overflow-x: clip;
}

img,
picture,
video,
canvas,
svg {
  max-width: 100%;
}

img,
video {
  height: auto;
}

input,
textarea,
select,
button {
  max-width: 100%;
}

.content {
  width: min(100%, 1680px);
  margin-inline: auto;
}

.topbar {
  padding-top: max(0px, var(--kione-safe-top));
  padding-left: max(0px, var(--kione-safe-left));
  padding-right: max(0px, var(--kione-safe-right));
}

.bottomnav {
  padding-bottom: max(0px, var(--kione-safe-bottom));
  padding-left: max(0px, var(--kione-safe-left));
  padding-right: max(0px, var(--kione-safe-right));
}

.reader,
.dialog-backdrop,
.companion-overlay {
  max-height: calc(var(--kione-vh, 100dvh) - var(--kione-safe-top) - var(--kione-safe-bottom));
}

.panel,
.book-card,
.category-card,
.mission-card,
.profile-shortcuts > * {
  overflow-wrap: anywhere;
}

@supports (overflow-wrap:anywhere) {
  .nav a,
  .button,
  button {
    overflow-wrap: anywhere;
  }
}

@media (pointer:coarse) {
  button,
  .button,
  .nav a,
  .bottomnav a,
  input,
  select {
    min-height: 44px;
  }

  input[type="range"] {
    min-height: 36px;
  }
}

@media (hover:none) {
  button:hover,
  .button:hover,
  a:hover {
    transform: none !important;
  }
}

@media (max-width:359px) {
  :root { --kione-page-gutter: 9px; }
  .content { padding-inline: var(--kione-page-gutter); }
  .brand { font-size: clamp(1.45rem, 9vw, 2rem); }
  .topbar { gap: 6px; }
  .bottomnav a { font-size: .62rem; }
  .reader-foot { gap: 4px; }
}

@media (min-width:2200px) {
  :root { font-size: 17px; }
  .content { max-width: 1840px; }
}

@media (max-height:520px) and (orientation:landscape) {
  .topbar { position: sticky; top: 0; }
  .bottomnav { min-height: 54px; }
  .reader { inset-block: calc(56px + var(--kione-safe-top)) calc(8px + var(--kione-safe-bottom)); }
}

@media (prefers-reduced-motion:reduce) {
  html { scroll-behavior: auto !important; }
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
    scroll-behavior: auto !important;
  }
}

@media (prefers-contrast:more) {
  :root { --line: #aeb8ce; }
  button,
  .button,
  .panel,
  .book-card { border-width: 2px; }
}

@supports not (overflow:clip) {
  html,
  body { overflow-x: hidden; }
}