/* mkHome — the style guide (mkernel/resources/guides/style-guide.md) applied to a launcher page.
   Every colour is a token defined in :root (test/style.test.mjs); dark follows the system; nothing under 12 px. */
:root {
  color-scheme: light dark;
  --bg: #f7f3ec; --paper: #fffdf8; --soft: #f1ebe1; --line: #e6dfd3; --ink: #2b2620; --muted: #6f6557;
  --accent: #b9743a; --link: #8a5a2b; --btn-bg: #8a5a2b; --btn-ink: #fffdf8;
  --ok: #3a7347; --bad: #a8413a; --warn: #82600f;
  --shadow: rgba(43, 38, 32, .14); --mark: #f6e2a8;
  --mono: "JetBrains Mono", "Sarasa Mono SC", "Noto Sans Mono CJK SC", "SF Mono", Menlo, "PingFang SC", "Microsoft YaHei", monospace;
  --fs: 15px;
  --topbar: 52px;
  --ctl-h: 34px; --ctl-r: 8px;
  --gutter: 16px;
  --maxw: 90rem;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #1d1a16; --paper: #24201b; --soft: #2c2721; --line: #3a342c; --ink: #ece5da; --muted: #9a8f80;
    --accent: #d08a4a; --link: #d9a066; --btn-bg: #d08a4a; --btn-ink: #1d1a16;
    --ok: #76a882; --bad: #d98579; --warn: #d0a55a;
    --shadow: rgba(0, 0, 0, .35); --mark: #6b5320;
  }
}

@font-face { font-family: "JetBrains Mono"; src: url(fonts/JetBrainsMono-Regular.woff2) format("woff2"); font-weight: 400; font-style: normal; font-display: swap; }
@font-face { font-family: "JetBrains Mono"; src: url(fonts/JetBrainsMono-Italic.woff2) format("woff2"); font-weight: 400; font-style: italic; font-display: swap; }
@font-face { font-family: "JetBrains Mono"; src: url(fonts/JetBrainsMono-Medium.woff2) format("woff2"); font-weight: 500; font-style: normal; font-display: swap; }
@font-face { font-family: "JetBrains Mono"; src: url(fonts/JetBrainsMono-SemiBold.woff2) format("woff2"); font-weight: 600; font-style: normal; font-display: swap; }
@font-face { font-family: "JetBrains Mono"; src: url(fonts/JetBrainsMono-Bold.woff2) format("woff2"); font-weight: 700; font-style: normal; font-display: swap; }

html[data-size="s"] { --fs: 13.5px; }
html[data-size="l"] { --fs: 16.5px; }
html[data-size="xl"] { --fs: 18px; }

* { box-sizing: border-box; }
html { font-size: var(--fs); -webkit-text-size-adjust: 100%; text-size-adjust: 100%; }
body { margin: 0; min-height: 100vh; background: var(--bg); color: var(--ink); font-family: var(--mono); line-height: 1.5; -webkit-font-smoothing: antialiased; overflow-x: hidden; }
a { color: var(--link); }
[hidden] { display: none !important; }
mark { background: var(--mark); color: inherit; }
input, select, button, textarea { font: inherit; color: inherit; }
.muted { color: var(--muted); }
.when { color: var(--muted); font-size: .8rem; }
.i { width: 1.15em; height: 1.15em; flex: none; vertical-align: -.2em; }

/* ---------- header (style guide §4) ---------- */
.topbar { position: sticky; top: 0; z-index: 20; height: var(--topbar); display: flex; align-items: center; gap: 12px; padding: 0 var(--gutter); background: var(--paper); border-bottom: 1px solid var(--line); }
.brand { font-size: 1.1rem; font-weight: 600; letter-spacing: -.01em; color: var(--ink); text-decoration: none; white-space: nowrap; }
.spacer { flex: 1 1 auto; }
.langs { display: inline-flex; align-items: center; border: 1px solid var(--line); border-radius: 999px; padding: 2px; font-size: .87rem; }
.langs a, .langs .on { display: inline-block; padding: .2em .7em; border-radius: 999px; color: var(--muted); text-decoration: none; line-height: 1.5; }
.langs a:hover { color: var(--ink); }
.langs .on { background: var(--soft); color: var(--ink); font-weight: 600; }
.tool { width: var(--ctl-h); height: var(--ctl-h); padding: 0; border: none; border-radius: var(--ctl-r); background: transparent; color: var(--muted); font-size: .87rem; font-weight: 500; cursor: pointer; }
.tool:hover { background: var(--soft); color: var(--ink); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

/* ---------- search ---------- */
.searchrow { max-width: var(--maxw); margin: 18px auto 0; padding: 0 var(--gutter); display: flex; flex-wrap: wrap; align-items: center; gap: 10px 12px; }
.search { position: relative; flex: 1 1 26rem; min-width: 0; margin: 0; }
.search .i { position: absolute; left: 13px; top: 50%; transform: translateY(-50%); width: 18px; height: 18px; color: var(--muted); pointer-events: none; }
#q { width: 100%; height: 46px; padding: 0 14px 0 42px; font-size: 1.07rem; border: 1px solid var(--line); border-radius: 10px; background: var(--paper); color: var(--ink); box-shadow: 0 2px 10px var(--shadow); -webkit-appearance: none; appearance: none; }
#q::placeholder { color: var(--muted); }
#q:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 14%, transparent), 0 2px 10px var(--shadow); }
.engines { display: flex; flex-wrap: wrap; gap: 6px; }
.chip { display: inline-flex; align-items: center; gap: 6px; height: 30px; padding: 0 12px; border: 1px solid var(--line); border-radius: 999px; background: var(--paper); color: var(--muted); font-size: .87rem; cursor: pointer; white-space: nowrap; }
.chip:hover { color: var(--ink); }
.chip.on { background: var(--soft); color: var(--link); border-color: color-mix(in srgb, var(--link) 35%, var(--line)); font-weight: 600; }
.hint { max-width: var(--maxw); margin: 6px auto 0; padding: 0 var(--gutter); color: var(--muted); font-size: .8rem; }
.status { max-width: var(--maxw); margin: 10px auto 0; padding: 0 var(--gutter); color: var(--muted); font-size: .87rem; }
.status.warn { color: var(--warn); }
.status:empty { display: none; }

/* ---------- the cards ---------- */
/* packed column flow (masonry-like): short cards tuck under long ones, so the whole page fits fewer screens */
.groups { max-width: var(--maxw); margin: 12px auto 40px; padding: 0 var(--gutter); columns: 228px; column-gap: 10px; }
.group { min-width: 0; background: var(--paper); border: 1px solid var(--line); border-radius: 10px; padding: .4rem .3rem .3rem; margin: 0 0 10px; break-inside: avoid; page-break-inside: avoid; -webkit-column-break-inside: avoid; }
.group-h { display: flex; align-items: center; gap: 6px; min-height: 26px; margin: 0 0 .2rem; padding: 0 .5rem; font-size: .8rem; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; color: var(--muted); }
.gname { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.items { list-style: none; margin: 0; padding: 0; }
.item { display: flex; align-items: center; min-width: 0; border-radius: 6px; }
.item .link { flex: 1 1 auto; min-width: 0; display: flex; align-items: center; gap: .5rem; padding: .1rem .45rem; border-radius: 6px; color: var(--ink); text-decoration: none; line-height: 1.4; font-size: .93rem; }
.item .link:hover, .item.sel .link { background: color-mix(in srgb, var(--accent) 10%, transparent); }
.item.sel .link { box-shadow: inset 2px 0 0 var(--accent); }
.item .link:focus-visible { outline: 2px solid var(--accent); outline-offset: -2px; }
.fav { width: 16px; height: 16px; flex: none; border-radius: 3px; object-fit: contain; }
.label { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.tag { flex: none; margin-left: auto; padding: 0 7px; border: 1px solid var(--line); border-radius: 999px; font-size: .8rem; font-weight: 400; letter-spacing: 0; text-transform: none; color: var(--muted); line-height: 1.5; }
.tag.bad { color: var(--bad); border-color: color-mix(in srgb, var(--bad) 45%, transparent); }
.item.dead .link::after { content: ""; width: 7px; height: 7px; margin-left: 2px; border-radius: 50%; background: var(--bad); flex: none; }

/* ---------- admin ---------- */
.admin-bar { max-width: var(--maxw); margin: 12px auto 0; padding: .7rem .9rem; border: 1px solid var(--line); border-left: 4px solid var(--accent); border-radius: 10px; background: var(--paper); display: grid; gap: .6rem; width: calc(100% - 2 * var(--gutter)); }
.paste { display: flex; flex-wrap: wrap; gap: 8px; margin: 0; }
.paste #paste { flex: 1 1 18rem; min-width: 0; }
.paste input, .paste select, .newgroup input, .rename input, .editor input, .addform input, .addform select {
  height: var(--ctl-h); padding: 0 10px; border: 1px solid var(--line); border-radius: var(--ctl-r); background: var(--paper); color: var(--ink); min-width: 0; }
.paste input:focus, .paste select:focus, .newgroup input:focus, .rename input:focus, .editor input:focus, .addform input:focus, .addform select:focus {
  outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 12%, transparent); }
.paste select { max-width: 14rem; }
.admin-tools { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 8px; }
.btn { display: inline-flex; align-items: center; gap: 6px; height: var(--ctl-h); padding: 0 12px; border: 1px solid var(--line); border-radius: var(--ctl-r); background: var(--paper); color: var(--ink); cursor: pointer; white-space: nowrap; font-size: .93rem; }
.btn:hover { background: var(--soft); }
.btn.primary { background: var(--btn-bg); color: var(--btn-ink); border-color: transparent; }
.btn.primary:hover { background: color-mix(in srgb, var(--btn-bg) 88%, var(--ink)); }
.btn.small { height: 30px; padding: 0 10px; font-size: .87rem; }
.btn:disabled { opacity: .7; cursor: default; }
.chip.on .i { color: var(--bad); }
.bm { display: inline-flex; align-items: center; gap: 6px; }
.bookmarklet { display: inline-flex; align-items: center; gap: 5px; height: 30px; padding: 0 10px; border: 1px dashed var(--link); border-radius: 999px; color: var(--link); text-decoration: none; font-size: .87rem; cursor: grab; white-space: nowrap; }
.newgroup, .rename, .editor { display: flex; flex-wrap: wrap; gap: 6px; margin: 0; }
.newgroup input { flex: 1 1 10rem; }
.rename { padding: .2rem .35rem .4rem; }
.rename input { flex: 1 1 7rem; height: 30px; }
.editor { padding: .3rem .5rem .5rem 1.9rem; }
.editor input { flex: 1 1 100%; height: 30px; }
.editor .row { display: flex; flex-wrap: wrap; gap: 6px; }
.grip { flex: none; display: inline-flex; color: var(--muted); cursor: grab; opacity: .55; padding: 0 2px; }
.grip .i { width: 14px; height: 14px; }
.group-tools { margin-left: auto; display: inline-flex; gap: 2px; }
.row-btn { flex: none; display: inline-flex; align-items: center; justify-content: center; min-width: 28px; height: 28px; padding: 0 4px; border: none; border-radius: 6px; background: transparent; color: var(--muted); cursor: pointer; opacity: 0; font-size: .8rem; }
.row-btn .i { width: 15px; height: 15px; }
.item:hover .row-btn, .item:focus-within .row-btn, .group-h:hover .row-btn, .group-h:focus-within .row-btn, .row-btn.armed { opacity: 1; }
.row-btn:hover { background: var(--soft); color: var(--ink); }
.row-btn.del:hover, .row-btn.armed { color: var(--bad); }
.is-hidden > .link, .group.is-hidden > .items { opacity: .55; }
.group.is-hidden { border-style: dashed; }
.dragging { opacity: .4; }
.item.drop-before { box-shadow: inset 0 2px 0 var(--accent); }
.item.drop-after { box-shadow: inset 0 -2px 0 var(--accent); }
.group.drop-before { box-shadow: -3px 0 0 var(--accent); }
.group.drop-after { box-shadow: 3px 0 0 var(--accent); }
.group.drop-into { border-color: var(--accent); }

/* ---------- plain pages (403, /add) ---------- */
.message, .addpage { max-width: 40rem; margin: 48px auto; padding: 0 var(--gutter); }
.message h1, .addpage h1 { font-size: 1.35rem; font-weight: 600; margin: 0 0 .6rem; }
.card { background: var(--paper); border: 1px solid var(--line); border-radius: 10px; padding: 1rem 1.15rem; }
.addform { display: grid; gap: .8rem; }
.addform label { display: grid; gap: 4px; color: var(--muted); font-size: .87rem; }
.addform input, .addform select { width: 100%; color: var(--ink); font-size: 1rem; }
.formrow { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; }

/* ---------- breakpoints: 480 · 700 · 900 · 1200 · 1440 ---------- */
@media (min-width: 1440px) { .groups { columns: 236px; } }
@media (max-width: 1200px) { .groups { columns: 220px; } }
@media (max-width: 900px) { .searchrow { margin-top: 14px; } .paste select { max-width: none; flex: 1 1 10rem; } }
@media (max-width: 699px) {
  .groups { columns: 1; }
  .hint { display: none; }
  .search { flex-basis: 100%; }
  .admin-bar { padding: .6rem .7rem; }
}
@media (max-width: 480px) {
  .topbar { gap: 8px; }
  .engines { gap: 5px; }
  .chip { padding: 0 10px; }
  .groups { margin-top: 12px; }
}
/* touch: rows reach the 34 px hit target and the admin buttons stay visible */
@media (pointer: coarse) {
  .item .link { padding: .42rem .5rem; }
  .row-btn { opacity: 1; min-width: 34px; height: 34px; }
}
@media (prefers-reduced-motion: no-preference) {
  .item .link, .chip, .btn, .row-btn { transition: background-color .12s ease, opacity .12s ease; }
}