:root {
    color-scheme: light;
    --paper: #f6f5f0; --surface: #fdfcf9; --surface-muted: #eceee7;
    --ink: #242d28; --secondary: #58635c; --muted: #667169; --line: #d9ded5;
    --accent: #286348; --accent-hover: #1d4b36; --accent-active: #163b2a; --accent-soft: #e6eee6;
    --on-accent: #fdfcf9; --selection: #cfdfce; --dialog-shadow: #242d2826; --backdrop: #242d2866;
    --radius: 8px; --space: 8px; --motion: 200ms; --ease: cubic-bezier(.2,.8,.2,1);
    --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Noto Sans CJK SC", "Microsoft YaHei", sans-serif;
    --mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}
/* Night ink: lifted surfaces, warm text, sage actions; never an inverted page. */
:root[data-theme="dark"] {
    color-scheme: dark;
    --paper: #171c19; --surface: #202722; --surface-muted: #2b342d;
    --ink: #e3e8df; --secondary: #b3bfb3; --muted: #95a594; --line: #3a463b;
    --accent: #a4c9aa; --accent-hover: #bedac0; --accent-active: #8ab793; --accent-soft: #2c4031;
    --on-accent: #17241b; --selection: #374f3b; --dialog-shadow: #00000050; --backdrop: #090e0bcc;
}
/* CSS-only system fallback when scripting is unavailable. */
@media (prefers-color-scheme: dark) {
    :root:not([data-theme]) {
        color-scheme: dark;
        --paper: #171c19; --surface: #202722; --surface-muted: #2b342d;
        --ink: #e3e8df; --secondary: #b3bfb3; --muted: #95a594; --line: #3a463b;
        --accent: #a4c9aa; --accent-hover: #bedac0; --accent-active: #8ab793; --accent-soft: #2c4031;
        --on-accent: #17241b; --selection: #374f3b; --dialog-shadow: #00000050; --backdrop: #090e0bcc;
    }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 16px/1.7 var(--font); -webkit-font-smoothing: antialiased; }
body:has(dialog[open]) { overflow: hidden; }
button, input, textarea { font: inherit; }
button, a, input, textarea { -webkit-tap-highlight-color: transparent; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; }
button:disabled { cursor: wait; opacity: .65; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 4px; }
::selection { background: var(--selection); }
.shell { width: min(1120px, calc(100% - 96px)); margin-inline: auto; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
.skip-link { position: fixed; top: -80px; left: 16px; z-index: 100; padding: 12px; background: var(--surface); }
.skip-link:focus { top: 16px; }
.site-header { display: flex; justify-content: space-between; align-items: center; min-height: 104px; border-bottom: 1px solid var(--line); }
.brand { display: flex; align-items: center; gap: 16px; font-weight: 650; font-size: 20px; line-height: 1.4; }
.brand-symbol { font: 600 40px/1 Georgia, serif; color: var(--accent); }
.nav-link { display: inline-flex; align-items: center; gap: 24px; min-height: 44px; font-size: 14px; }
.nav-link:hover, .text-button:hover { color: var(--accent); }
.header-actions { display: flex; align-items: center; gap: 24px; }
.theme-toggle { display: inline-flex; align-items: center; gap: 9px; min-height: 44px; padding: 0 12px; background: transparent; color: var(--secondary); border: 1px solid var(--line); border-radius: var(--radius); transition: background var(--motion) var(--ease), border-color var(--motion) var(--ease); }
.theme-toggle[hidden] { display: none; }
.theme-toggle:hover { background: var(--surface); border-color: var(--muted); }
.theme-toggle:active { background: var(--surface-muted); }
.theme-dial { display: flex; color: var(--accent); }
.theme-dial svg { width: 20px; height: 20px; transform: rotate(-35deg); }
.theme-label { min-width: 3em; text-align: left; font-size: 12px; font-weight: 550; }
.theme-stops { display: flex; gap: 3px; padding-left: 5px; border-left: 1px solid var(--line); }
.theme-stops i { width: 3px; height: 10px; border-radius: 2px; background: var(--line); }
[data-theme-preference="system"] .theme-stops i:nth-child(1), [data-theme-preference="light"] .theme-stops i:nth-child(2), [data-theme-preference="dark"] .theme-stops i:nth-child(3) { background: var(--accent); }
.intro { padding: 72px 0 64px; display: grid; grid-template-columns: 1fr 280px; gap: 64px; align-items: end; }
.eyebrow, .index-label { font: 11px/1.6 var(--mono); letter-spacing: .12em; color: var(--secondary); }
.eyebrow { margin: 0 0 24px; }
h1 { font-size: clamp(36px, 4.5vw, 56px); line-height: 1.24; letter-spacing: -.045em; font-weight: 600; margin: 0; }
h1 span { color: var(--accent); }
.intro-copy { margin: 24px 0 0; color: var(--secondary); }
.intro-index { border-top: 2px solid var(--ink); padding-top: 16px; }
#catalogSummary { margin: 24px 0; color: var(--secondary); font-size: 14px; }
.summary-count { display: block; font-size: 40px; line-height: 1.3; letter-spacing: -.04em; color: var(--ink); font-weight: 500; font-variant-numeric: tabular-nums; }
.summary-count small { font-size: 14px; margin-left: 8px; color: var(--secondary); letter-spacing: 0; }
.index-link { display: flex; justify-content: space-between; align-items: center; min-height: 44px; font-size: 14px; color: var(--accent); border-top: 1px solid var(--line); padding-top: 8px; }
.catalog { scroll-margin-top: 24px; }
.catalog-heading { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 24px; }
h2 { font-size: 20px; margin: 0; font-weight: 600; letter-spacing: -.02em; }
.count { color: var(--muted); font: 12px var(--mono); margin-left: 12px; }
.catalog-heading p { font-size: 12px; color: var(--secondary); margin: 0; }
.toolbar { display: flex; gap: 16px; align-items: center; padding-bottom: 24px; }
.search { display: flex; flex: 1; align-items: center; gap: 12px; padding: 0 16px; min-height: 48px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); color: var(--muted); }
.search:focus-within { border-color: var(--accent); box-shadow: 0 0 0 2px var(--accent-soft); }
.search input { width: 100%; min-width: 0; border: 0; outline: none; background: transparent; color: var(--ink); font-size: 14px; padding: 12px 0; }
.search input::placeholder { color: var(--muted); }
kbd { font: 10px var(--mono); white-space: nowrap; border: 1px solid var(--line); border-radius: 4px; padding: 3px 6px; }
.button { display: inline-flex; justify-content: center; align-items: center; gap: 12px; min-height: 44px; padding: 9px 18px; border-radius: var(--radius); border: 1px solid transparent; font-size: 14px; font-weight: 550; transition: background var(--motion) var(--ease), color var(--motion) var(--ease), border-color var(--motion) var(--ease); }
.button-primary { background: var(--accent); color: var(--on-accent); }
.button-primary:hover { background: var(--accent-hover); }
.button-primary:active { background: var(--accent-active); }
.button-quiet { background: transparent; border-color: var(--line); color: var(--ink); }
.button-quiet:hover { background: var(--surface-muted); }
#filterValue { color: var(--accent); font-size: 12px; max-width: 120px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.chevron { transition: transform var(--motion) var(--ease); }
[aria-expanded="true"] .chevron { transform: rotate(180deg); }
.filter-panel { display: grid; grid-template-rows: 0fr; opacity: 0; visibility: hidden; transition: grid-template-rows var(--motion) var(--ease), opacity var(--motion) var(--ease), visibility var(--motion); }
.filter-panel.is-open { grid-template-rows: 1fr; opacity: 1; visibility: visible; }
.filter-inner { overflow: hidden; min-height: 0; }
.filter-options { display: flex; flex-wrap: wrap; gap: 8px; padding: 0 0 24px; }
.filter-option { min-height: 44px; padding: 8px 16px; background: transparent; border: 1px solid var(--line); border-radius: var(--radius); color: var(--secondary); font-size: 13px; }
.filter-option:hover { background: var(--surface-muted); }
.filter-option[aria-pressed="true"] { background: var(--accent-soft); border-color: var(--accent); color: var(--accent); }
.tools-list { border-top: 1px solid var(--ink); }
.tool-row { display: grid; grid-template-columns: 56px minmax(0,1fr) 152px 152px; gap: 24px; align-items: center; padding: 32px 8px; border-bottom: 1px solid var(--line); transition: background var(--motion) var(--ease); }
.tool-row:hover, .tool-row:focus-within { background: var(--surface); }
.tool-icon { width: 56px; height: 56px; object-fit: contain; border-radius: 12px; padding: 6px; background: var(--surface-muted); }
.icon-fallback { display: flex; align-items: center; justify-content: center; font: 24px Georgia, serif; color: var(--accent); }
.tool-title-line { display: flex; align-items: baseline; flex-wrap: wrap; gap: 12px; }
.tool-title { margin: 0; font-size: 20px; line-height: 1.4; font-weight: 600; letter-spacing: -.02em; }
.release-label { font: 10px var(--mono); letter-spacing: .05em; color: var(--accent); white-space: nowrap; }
.release-label::before { content: ""; display: inline-block; width: 5px; height: 5px; background: var(--accent); border-radius: 50%; margin-right: 6px; vertical-align: middle; }
.tool-desc { margin: 8px 0 0; color: var(--secondary); font-size: 14px; line-height: 1.7; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.package-meta { display: flex; flex-direction: column; gap: 4px; font-size: 12px; color: var(--secondary); font-variant-numeric: tabular-nums; }
.version { font: 13px/1.7 var(--mono); color: var(--ink); }
.row-actions { display: flex; flex-direction: column; gap: 4px; align-items: stretch; }
.text-button { background: transparent; border: 0; min-height: 44px; font-size: 12px; color: var(--secondary); }
.state { padding: 64px 24px; text-align: center; }
.state-label { font: 12px var(--mono); color: var(--accent); }
.state h3 { font-size: 20px; margin: 16px 0 8px; font-weight: 550; }
.state p { color: var(--secondary); margin: 0 0 24px; font-size: 14px; }
.detail-dialog { width: min(640px, calc(100% - 32px)); max-height: calc(100dvh - 48px); padding: 32px; color: var(--ink); background: var(--surface); border: 1px solid var(--line); border-radius: 16px; box-shadow: 0 24px 100px var(--dialog-shadow); }
.detail-dialog[open] { animation: reveal var(--motion) var(--ease); }
.detail-dialog::backdrop { background: var(--backdrop); }
.dialog-header { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 24px; }
.dialog-header .eyebrow { margin: 0; }
.icon-button { width: 44px; height: 44px; border: 1px solid var(--line); background: transparent; border-radius: var(--radius); font-size: 24px; color: var(--secondary); }
.icon-button:hover { background: var(--surface-muted); }
.detail-dialog h2 { font-size: 28px; }
.detail-description { color: var(--secondary); white-space: pre-wrap; overflow-wrap: anywhere; }
.detail-meta { margin: 24px 0; }
.detail-meta div { display: grid; grid-template-columns: 88px minmax(0,1fr); gap: 16px; padding: 12px 0; border-top: 1px solid var(--line); font-size: 13px; }
.detail-meta dt { color: var(--secondary); }
.detail-meta dd { margin: 0; overflow-wrap: anywhere; }
.hash { font: 11px/1.8 var(--mono); user-select: all; }
.detail-tags { display: flex; flex-wrap: wrap; gap: 8px; margin: 24px 0; }
.detail-tags span { font-size: 12px; color: var(--secondary); background: var(--surface-muted); border-radius: 4px; padding: 4px 8px; }
.install-section { margin-top: 32px; border-top: 1px solid var(--line); padding-top: 24px; }
.install-section h3 { font-size: 16px; margin: 0 0 8px; }
.install-section p { color: var(--secondary); font-size: 13px; }
.command { width: 100%; resize: none; padding: 16px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--paper); color: var(--ink); font: 12px/1.8 var(--mono); margin: 8px 0 12px; }
.toast { position: fixed; left: 50%; bottom: 24px; z-index: 60; max-width: calc(100% - 32px); padding: 12px 20px; background: var(--ink); color: var(--surface); border-radius: var(--radius); font-size: 14px; opacity: 0; transform: translate(-50%,8px); pointer-events: none; transition: opacity var(--motion) var(--ease), transform var(--motion) var(--ease); }
.toast.visible { opacity: 1; transform: translate(-50%,0); }
@keyframes reveal { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }
@media (max-width: 900px) { .shell { width: calc(100% - 48px); } .intro { gap: 32px; grid-template-columns: 1fr 220px; } .tool-row { grid-template-columns: 48px minmax(0,1fr) 136px; gap: 20px; } .tool-icon { width: 48px; height: 48px; } .package-meta { grid-column: 2; grid-row: 2; flex-direction: row; flex-wrap: wrap; gap: 12px; } .row-actions { grid-column: 3; grid-row: 1 / 3; } .tool-row { row-gap: 12px; } }
@media (max-width: 600px) { .header-actions { gap: 12px; } .theme-toggle { padding-inline: 8px; gap: 6px; } .shell { width: calc(100% - 40px); } .site-header { min-height: 88px; } .nav-link { font-size: 12px; gap: 12px; } .intro { padding: 40px 0; grid-template-columns: 1fr; gap: 32px; } .intro-index { display: none; } .intro-copy { font-size: 14px; } .catalog-heading { margin-bottom: 16px; } .catalog-heading p { font-size: 10px; } .toolbar { flex-wrap: wrap; gap: 12px; } .search { flex-basis: 100%; } kbd { display: none; } .tool-row { grid-template-columns: 40px minmax(0,1fr); gap: 12px 16px; padding: 24px 0; align-items: start; } .tool-icon { width: 40px; height: 40px; padding: 4px; } .tool-title { font-size: 18px; } .package-meta { grid-column: 2; grid-row: auto; } .row-actions { grid-column: 2; grid-row: auto; flex-direction: row; gap: 16px; } .row-actions .button { padding-inline: 24px; } .detail-dialog { padding: 24px; } }
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; } }