:root {
  color-scheme: dark;
  font-family: Inter, "Segoe UI", sans-serif;
  color: #f0ecf8;
  background: #131119;
  --muted: #b1a9c0;
  --surface: #1b1723;
  --line: #322b40;
  --accent: #d9c5ff;
}

*, *::before, *::after { box-sizing: border-box; }
body { margin: 0; min-height: 100vh; display: flex; flex-direction: column; }
a { color: inherit; text-decoration: none; }
button, select, input { font: inherit; }
:focus-visible { outline: 2px solid #d9c5ff; outline-offset: 4px; }
.shell { width: min(100% - 72px, 1480px); margin-inline: auto; }
.topbar { background: #19151f; border-bottom: 1px solid var(--line); }
.topbar-inner { width: 100%; min-height: 74px; display: flex; align-items: center; gap: 32px; padding-inline: 22px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 750; font-size: 21px; letter-spacing: -.045em; }
.mark { display: grid; place-items: center; width: 33px; height: 33px; border-radius: 9px; background: var(--accent); color: #2a1744; font-size: 22px; }
nav { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; font-size: 16px; font-weight: 550; color: var(--muted); }
nav a { padding: 9px 12px; border-radius: 8px; }
nav a:hover, nav [aria-current="page"] { background: #2b2338; color: var(--accent); }
.preference { position: relative; display: flex; align-items: center; gap: 9px; color: var(--muted); font-size: 14px; font-weight: 500; cursor: pointer; }
.preference input { position: absolute; opacity: 0; }
.switch { width: 34px; height: 20px; border: 1px solid #665a78; border-radius: 20px; background: #332b41; padding: 3px; }
.switch::after { content: ""; display: block; width: 12px; height: 12px; background: #b6a8cb; border-radius: 50%; transition: transform .16s ease; }
.preference input:checked + .switch { background: var(--accent); border-color: var(--accent); }
.preference input:checked + .switch::after { transform: translateX(14px); background: #43295f; }
.preference input:focus-visible + .switch { outline: 2px solid var(--accent); outline-offset: 4px; }
main { flex: 1; }
#main:has(> .library) { display: grid; width: 100%; }
.intro { margin-bottom: 28px; }
h1, h2, p { margin: 0; }
h1 { font-size: clamp(32px, 4vw, 53px); line-height: 1.06; letter-spacing: -.055em; }
.intro p, .guide p, .empty p { margin-top: 12px; color: var(--muted); line-height: 1.55; }
.library { display: grid; grid-template-columns: 280px minmax(0, 1fr); }
.filters { background: var(--surface); border-right: 1px solid var(--line); padding: 38px 28px 24px 22px; }
.library-results { padding: 38px clamp(24px, 3vw, 52px) 42px; }
.filters > label:not(.preference) { display: block; margin-bottom: 8px; font-size: 13px; font-weight: 650; }
.filters > input, .filters select { width: 100%; color: inherit; padding: 10px; background: #131019; border: 1px solid #42364e; border-radius: 7px; font-size: 14px; }
.filters > input { margin-bottom: 19px; }
.filters > input::placeholder { color: #a297b0; }
.reset-filters { width: 100%; margin-top: 14px; padding: 8px 10px; border: 1px solid #514360; border-radius: 7px; background: #262033; color: var(--accent); font-size: 14px; font-weight: 600; cursor: pointer; }
.reset-filters:hover { background: #382d48; }
.filter-summary { margin-top: 14px; text-align: center; font-size: 14px; }
.content-preference { margin-top: 18px; padding-top: 15px; border-top: 1px solid var(--line); }
.filter-note { margin-top: 6px; color: var(--muted); font-size: 12px; line-height: 1.45; }
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(148px, 1fr)); gap: 14px; }
.tile { min-width: 0; display: block; padding: 7px; background: var(--surface); border: 1px solid var(--line); border-radius: 12px; transition: border-color .15s ease, transform .15s ease; }
.tile:hover { transform: translateY(-3px); border-color: #a084cd; }
.art img, .detail-art img, .variant-row img { display: block; width: 100%; height: auto; aspect-ratio: 5 / 7; object-fit: contain; border-radius: 7px; background: #231b2d; }
.tile-info { display: grid; gap: 5px; padding: 10px 5px 6px; }
.tile-info strong { font-size: 14px; }
.tile-info span { color: var(--muted); font-size: 12px; }
.tile-info small { color: var(--accent); font-size: 11px; }
.back { display: inline-block; margin: 28px 0 20px; color: var(--accent); font-size: 14px; }
.detail { display: grid; grid-template-columns: minmax(200px, 340px) minmax(0, 640px) minmax(220px, 1fr); gap: clamp(20px, 3vw, 48px); align-items: start; }
.detail-art { display: grid; gap: 12px; background: var(--surface); border: 1px solid var(--line); border-radius: 14px; padding: 12px; }
.detail, #main > .empty { margin-top: 28px; }
.detail-tags { display: grid; gap: 12px; }
.tag-panel { padding: 12px 14px; border: 1px solid var(--line); border-radius: 10px; background: var(--surface); }
.tag-panel h2 { font-size: 15px; }
.tag-panel ul { display: flex; flex-wrap: wrap; gap: 6px; margin: 10px 0 0; padding: 0; list-style: none; }
.tag-panel li { min-width: 0; }
.tag-link { display: block; overflow-wrap: anywhere; border-radius: 4px; padding: 3px 7px; background: #332a43; color: #eee5ff; font-size: 13px; }
.tag-link.nsfw { background: #632839; color: #ffdce4; }
.tag-link.sfw { background: #234c39; color: #d4f7e1; }
.tag-link:hover { text-decoration: underline; }
.gender-tag { display: inline-flex; align-items: center; gap: 4px; border-radius: 4px; padding: 2px 7px; }
.gender-tag.female { background: #702b59; color: #ffe0f1; }
.gender-tag.male { background: #234874; color: #e4efff; }
.series-name { color: var(--accent); margin: 9px 0 10px; }
.detail-info dl { margin: 22px 0; border-top: 1px solid var(--line); }
.detail-info dl div { display: grid; grid-template-columns: 120px 1fr; gap: 10px; padding: 12px 0; border-bottom: 1px solid var(--line); font-size: 14px; }
dt { color: var(--muted); }
dd { margin: 0; }
.button { display: inline-block; border: 0; border-radius: 8px; padding: 11px 16px; font-weight: 700; text-align: center; cursor: pointer; }
.primary { background: var(--accent); color: #261739; }
.primary:hover { background: #eadfff; }
details { background: var(--surface); border: 1px solid var(--line); border-radius: 10px; padding: 14px; }
summary { cursor: pointer; font-weight: 650; }
.download-card { display: flex; justify-content: center; align-items: center; gap: 8px; }
.prompt-heading { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 12px; margin: 16px 0 8px; }
.prompt-heading h3 { margin: 0; }
.copy-prompt { padding: 4px 10px; border: 1px solid #514360; border-radius: 6px; background: #332a43; color: var(--accent); font-size: 13px; cursor: pointer; }
.copy-prompt:hover { background: #463653; }
.copy-status { color: var(--muted); font-size: 13px; }
.clipboard-fallback { position: fixed; inset: 0 auto auto 0; opacity: 0; pointer-events: none; }
.prompt { white-space: pre-wrap; overflow-wrap: anywhere; line-height: 1.55; color: var(--muted); }
.variants { margin-top: 34px; }
h2 { font-size: 21px; letter-spacing: -.025em; }
.variant-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 14px; }
.variant-row a { width: 108px; display: grid; gap: 7px; padding: 6px; background: var(--surface); border: 1px solid var(--line); border-radius: 9px; text-align: center; font-size: 13px; }
.variant-row a:hover { border-color: var(--accent); }
.guide { max-width: 720px; }
.usage-guide { margin-top: 28px; }
.guide ol { line-height: 1.7; padding-left: 23px; }
.guide button { margin-top: 16px; }
.editor-list { margin-top: 20px; }
.editor-list label { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 12px 0; border-bottom: 1px solid var(--line); }
.editor-list small { display: block; color: var(--muted); margin-top: 4px; }
.editor-list input { accent-color: var(--accent); }
.empty { grid-column: 1 / -1; padding: 22px; border: 1px dashed var(--line); border-radius: 10px; }
.footer { margin-top: 42px; padding: 17px 0; border-top: 1px solid var(--line); display: flex; justify-content: space-between; gap: 14px; color: var(--muted); font-size: 12px; }
#main:has(> .library) + .footer { width: 100%; margin-top: 0; padding-inline: clamp(16px, 3vw, 52px); }

@media (max-width: 1000px) {
  .detail { grid-template-columns: minmax(200px, 340px) minmax(0, 1fr); }
  .detail-tags { grid-column: 2; }
}

@media (max-width: 760px) {
  .shell { width: calc(100% - 32px); }
  .topbar-inner { width: 100%; flex-wrap: wrap; gap: 12px 20px; padding: 12px 16px; }
  nav { order: 2; width: 100%; }
  .library { grid-template-columns: 1fr; grid-template-rows: auto 1fr; }
  .filters { display: grid; grid-template-columns: auto minmax(0, 1fr); align-items: center; gap: 8px 12px; padding: 20px 16px; border-right: 0; border-bottom: 1px solid var(--line); }
  .library-results { padding: 24px 16px 32px; }
  .filters > label:not(.preference), .filters > input { margin: 0; }
  .content-preference, .reset-filters, .filter-summary { grid-column: 1 / -1; }
  .grid { grid-template-columns: repeat(auto-fill, minmax(132px, 1fr)); }
  .intro { margin-bottom: 20px; }
}

@media (max-width: 550px) {
  .detail { grid-template-columns: 1fr; }
  .detail-tags { grid-column: auto; }
  .detail-art { width: min(100%, 320px); margin-inline: auto; }
}

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