:root {
  --bg: #eef1f5; --panel: #fff; --ink: #142033; --muted: #55657b; --line: #d2d9e3;
  --accent: #0b7a75; --accent-ink: #fff; --accent-soft: #d8efec;
  --ok: #17703f; --ok-soft: #dcf2e6; --warn: #7d5200; --warn-soft: #fff0cc; --bad: #b42318; --bad-soft: #fde4e1;
  --display: "Bahnschrift", "DIN Alternate", "Segoe UI Variable Display", system-ui, sans-serif;
  --text: "Segoe UI Variable Text", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --mono: ui-monospace, "Cascadia Mono", Consolas, monospace;
  --spine-s: 34%; --spine-l: 44%;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0e1622; --panel: #16202f; --ink: #e6ecf5; --muted: #93a3b8; --line: #26354a;
    --accent: #3cc4ba; --accent-ink: #06201e; --accent-soft: #123a3a;
    --ok: #6fd69b; --ok-soft: #143524; --warn: #f0c14b; --warn-soft: #3a2e0c; --bad: #ff8d82; --bad-soft: #43201d;
    --spine-s: 28%; --spine-l: 38%;
  }
}
* { box-sizing: border-box; }
html { background: var(--bg); }
body { margin: 0; color: var(--ink); font: 15px/1.5 var(--text); min-height: 100vh; }
h1, h2, h3 { font-family: var(--display); font-weight: 600; letter-spacing: -.01em; margin: 0; line-height: 1.2; }
h2 { font-size: 1.35rem; } h3 { font-size: 1.05rem; }
p { margin: 0; }
a { color: var(--accent); }
.muted { color: var(--muted); }
.mono { font-family: var(--mono); font-size: .86em; word-break: break-all; }
.hidden { display: none !important; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

/* top bar */
.top { display: flex; flex-wrap: wrap; align-items: center; gap: .5rem 1.5rem; padding: .75rem max(1rem, calc(50% - 490px)); background: var(--panel); border-bottom: 1px solid var(--line); }
.brand { font: 700 1.3rem var(--display); letter-spacing: -.02em; }
.top nav { display: flex; gap: .25rem; flex: 1; }
.tab { font: inherit; background: none; border: 0; border-bottom: 2px solid transparent; padding: .45rem .7rem; color: var(--muted); cursor: pointer; }
.tab:hover { color: var(--ink); }
.tab[aria-current="page"] { color: var(--ink); border-bottom-color: var(--accent); font-weight: 600; }
.who { display: flex; gap: .9rem; align-items: center; color: var(--muted); font-size: .9rem; }
main { max-width: 980px; margin: 0 auto; padding: 1.75rem 1rem 4rem; display: grid; gap: 2rem; }
main > section { display: grid; gap: .9rem; }
section + section { border-top: 1px solid var(--line); padding-top: 1.75rem; }

/* controls */
.btn { font: inherit; font-weight: 600; background: var(--accent); color: var(--accent-ink); border: 1px solid var(--accent); border-radius: 4px; padding: .55rem 1.1rem; cursor: pointer; }
.btn:hover:not(:disabled) { filter: brightness(1.08); }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.btn.ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.btn.danger { background: transparent; color: var(--bad); border-color: var(--bad); }
.btn.sm { padding: .25rem .6rem; font-size: .85rem; font-weight: 500; }
.link { font: inherit; background: none; border: 0; padding: 0; color: var(--accent); cursor: pointer; text-decoration: underline; }
input[type=text], input[type=password], input[type=number], input:not([type]) { font: inherit; color: inherit; background: var(--panel); border: 1px solid var(--line); border-radius: 4px; padding: .55rem .7rem; width: 100%; }
.row { display: flex; flex-wrap: wrap; gap: .6rem; align-items: center; }
.row > input { flex: 1; min-width: 12rem; width: auto; }
.msg { min-height: 1.4em; color: var(--muted); } .msg:empty { display: none; }
.msg.bad { color: var(--bad); }
.seg { display: inline-flex; border: 1px solid var(--line); border-radius: 4px; overflow: hidden; }
.seg-btn { font: inherit; background: var(--panel); color: var(--muted); border: 0; padding: .45rem .95rem; cursor: pointer; }
.seg-btn + .seg-btn { border-left: 1px solid var(--line); }
.seg-btn[aria-pressed="true"] { background: var(--accent); color: var(--accent-ink); font-weight: 600; }
.where { color: var(--muted); }

/* auth */
.auth-wrap { max-width: 400px; padding-top: 12vh; }
.auth { display: grid; gap: 1rem; background: var(--panel); border: 1px solid var(--line); border-radius: 6px; padding: 1.75rem; }
.auth h1 { font-size: 2rem; }
.lede { color: var(--muted); }
.field { display: grid; gap: .25rem; } .field span { font-size: .85rem; color: var(--muted); }

/* drop zone and the shelf of queued files */
.drop { display: grid; gap: .25rem; justify-items: center; text-align: center; padding: 2.2rem 1rem; border: 2px dashed var(--line); border-radius: 6px; background: var(--panel); cursor: pointer; }
.drop strong { font: 600 1.15rem var(--display); }
.drop span { color: var(--muted); font-size: .9rem; }
.drop.over, .drop:focus-within { border-color: var(--accent); background: var(--accent-soft); }
.shelf { display: flex; gap: 3px; align-items: flex-end; overflow-x: auto; padding: 14px 4px 0; min-height: 148px; border-bottom: 6px solid var(--ink); --p: 0; }
.shelf:empty::before { content: "Nothing queued yet"; color: var(--muted); align-self: center; padding-bottom: 1rem; }
.spine { flex: none; width: 26px; height: calc(104px + var(--v, 0) * 1px); position: relative; overflow: hidden; border-radius: 2px 2px 0 0; color: #fff; writing-mode: vertical-rl; font-size: 12px; padding: 8px 0; background: hsl(var(--h, 200) var(--spine-s) var(--spine-l)); }
.spine span { display: block; max-height: 100%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.spine::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: calc(var(--p) * 100%); background: rgb(0 0 0 / .3); transition: height .2s; }
.bar { height: 6px; border-radius: 3px; background: var(--line); overflow: hidden; }
.bar > i { display: block; height: 100%; width: 0; background: var(--accent); transition: width .3s; }

/* jobs */
.jobs { display: grid; }
.job { display: grid; gap: .4rem; padding: .85rem 0; border-bottom: 1px solid var(--line); }
.job:first-child { border-top: 1px solid var(--line); }
.job-head { display: flex; flex-wrap: wrap; gap: .5rem .9rem; align-items: baseline; }
.job-head strong { font-family: var(--display); font-size: 1.02rem; }
.job .muted { font-size: .88rem; }
.chip { font-size: .78rem; font-weight: 600; padding: .1rem .55rem; border-radius: 99px; background: var(--line); color: var(--ink); }
.chip.busy { background: var(--accent-soft); color: var(--accent); } .chip.ok { background: var(--ok-soft); color: var(--ok); }
.chip.bad { background: var(--bad-soft); color: var(--bad); } .chip.warn { background: var(--warn-soft); color: var(--warn); }
details > summary { cursor: pointer; color: var(--accent); font-size: .9rem; }
.cands { display: grid; gap: .35rem; margin-top: .5rem; }
.cand { display: flex; flex-wrap: wrap; gap: .3rem .8rem; align-items: center; justify-content: space-between; font-size: .88rem; padding: .4rem .6rem; background: var(--panel); border: 1px solid var(--line); border-radius: 4px; }
.cand.chosen { border-color: var(--accent); }
.cand .name { flex: 1 1 18rem; word-break: break-word; }

/* libraries */
.libs { display: grid; gap: 2rem; }
@media (min-width: 860px) { .libs { grid-template-columns: 1fr 1fr; } .libs > section { border-top: 0; padding-top: 0; } }
.stats { display: flex; gap: 1.2rem; color: var(--muted); font-size: .9rem; }
.crumbs { display: flex; flex-wrap: wrap; gap: .25rem; align-items: center; font-size: .9rem; }
.crumbs button { font: inherit; background: none; border: 0; color: var(--accent); cursor: pointer; padding: 0; }
.entries { display: grid; border: 1px solid var(--line); border-radius: 4px; background: var(--panel); max-height: 26rem; overflow: auto; }
.entry { display: flex; justify-content: space-between; gap: .6rem; align-items: center; padding: .4rem .7rem; border-bottom: 1px solid var(--line); font-size: .92rem; }
.entry:last-child { border-bottom: 0; }
.entry button.name { font: inherit; background: none; border: 0; padding: 0; color: var(--ink); cursor: pointer; text-align: left; font-weight: 600; }
.entry .file { color: var(--muted); word-break: break-all; }
.empty { padding: 1rem; color: var(--muted); }

/* admin */
table { width: 100%; border-collapse: collapse; font-size: .92rem; }
th, td { text-align: left; padding: .45rem .5rem; border-bottom: 1px solid var(--line); }
th { font-weight: 600; color: var(--muted); font-size: .85rem; }
.checks { display: grid; gap: .3rem; }
.check { display: flex; gap: .7rem; align-items: baseline; }
.check .chip { min-width: 3.6rem; text-align: center; }
.toast { position: fixed; bottom: 1.2rem; left: 50%; transform: translateX(-50%); background: var(--ink); color: var(--bg); padding: .6rem 1rem; border-radius: 4px; z-index: 10; max-width: 90vw; }
@media (prefers-reduced-motion: reduce) { * { transition: none !important; } }