/* KU Desk: a working review tool. One column, dense cards, keyboard-first. */
:root {
  --bg: #f3f4f1; --surface: #ffffff; --ink: #1b1f1d; --muted: #5d6762; --line: #d9ddd8; --chip: #eceee9;
  --accent: #2d5bd7; --accent-ink: #ffffff; --focus: #2d5bd7;
  --ok: #1f7a4d; --ok-bg: #e3f2ea; --bad: #b23a2e; --bad-bg: #f8e6e3; --warn: #8a5a00; --warn-bg: #fff1cc;
  --f-display: "Bricolage Grotesque", "Avenir Next", "Segoe UI", sans-serif;
  --f-body: "Source Sans 3", "Segoe UI", system-ui, sans-serif;
  --f-mono: "JetBrains Mono", ui-monospace, Menlo, monospace;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) { :root {
  --bg: #121513; --surface: #1b1f1d; --ink: #e8ebe7; --muted: #9aa49f; --line: #2e3431; --chip: #262b28;
  --accent: #7d9cff; --accent-ink: #0d1020; --focus: #7d9cff;
  --ok: #5fcf95; --ok-bg: #173226; --bad: #f08374; --bad-bg: #3a1d19; --warn: #f0c060; --warn-bg: #3a3014;
  color-scheme: dark; } }

* { box-sizing: border-box; }
html, body { margin: 0; }
body { background: var(--bg); color: var(--ink); font: 15px/1.5 var(--f-body); }
.wrap { max-width: 1040px; margin: 0 auto; padding-left: max(16px, env(safe-area-inset-left)); padding-right: max(16px, env(safe-area-inset-right)); }
h1 { font: 700 26px/1.15 var(--f-display); margin: 0; letter-spacing: -0.01em; }
.muted { color: var(--muted); }
.hint { font-size: 13px; color: var(--muted); min-height: 1.4em; }
button, input, select { font: inherit; color: inherit; }
button { cursor: pointer; }
:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; }
kbd { font: 12px var(--f-mono); border: 1px solid var(--line); border-bottom-width: 2px; border-radius: 4px; padding: 0 4px; background: var(--surface); }
[hidden] { display: none !important; }

.top { border-bottom: 1px solid var(--line); background: var(--surface); position: sticky; top: 0; z-index: 10; }
.top-row { display: flex; align-items: center; gap: 20px; padding-block: 10px; }
.brand { font: 700 18px var(--f-display); color: var(--ink); text-decoration: none; }
nav { display: flex; gap: 14px; flex: 1; }
nav a { color: var(--muted); text-decoration: none; font-weight: 500; }
nav a.on { color: var(--ink); }
nav .soon { color: var(--line); cursor: default; }
.who { margin-left: auto; display: flex; gap: 10px; align-items: center; font-size: 13px; color: var(--muted); }
.link { background: none; border: 0; color: var(--accent); padding: 0; }

.center-msg { padding-block: 80px; text-align: center; display: grid; gap: 10px; justify-items: center; }
.login { max-width: 380px; margin: 0 auto; padding-block: 72px; display: grid; gap: 10px; }
.login form { display: grid; gap: 8px; margin-top: 12px; }
.login label { font-size: 13px; color: var(--muted); }
.login input { padding: 9px 11px; border: 1px solid var(--line); border-radius: 8px; background: var(--surface); }

.btn { border: 1px solid var(--line); background: var(--surface); border-radius: 8px; padding: 6px 12px; font-weight: 500; white-space: nowrap; }
.btn:hover { border-color: var(--muted); }
.btn.primary { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }
.btn.on-inc { background: var(--ok-bg); color: var(--ok); border-color: var(--ok); }
.btn.on-exc { background: var(--bad-bg); color: var(--bad); border-color: var(--bad); }
.btn:disabled { opacity: .5; cursor: default; }

#view-sources { padding-block: 22px 80px; }
.page-head { display: flex; flex-wrap: wrap; gap: 16px; justify-content: space-between; align-items: end; }
.progress { min-width: 220px; display: grid; gap: 4px; }
.bar { height: 8px; background: var(--chip); border-radius: 99px; overflow: hidden; }
.bar span { display: block; height: 100%; background: var(--ok); width: 0; transition: width .3s; }
.prog-label { font-size: 13px; color: var(--muted); font-variant-numeric: tabular-nums; }

.tally { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 16px; }
.tally span { font-size: 13px; background: var(--surface); border: 1px solid var(--line); border-radius: 99px; padding: 2px 10px; font-variant-numeric: tabular-nums; }

.controls { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin-top: 14px; position: sticky; top: 49px; background: var(--bg); padding-block: 10px; z-index: 5; }
.controls input[type=search] { flex: 1 1 220px; min-width: 0; padding: 7px 10px; border: 1px solid var(--line); border-radius: 8px; background: var(--surface); }
.controls select { padding: 7px 8px; border: 1px solid var(--line); border-radius: 8px; background: var(--surface); }
.check { display: inline-flex; gap: 5px; align-items: center; font-size: 14px; }
.bulkbar { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; font-size: 13px; padding-bottom: 8px; border-bottom: 1px solid var(--line); }
.bulkbar .keys { margin-left: auto; }

.list { display: grid; gap: 10px; margin-top: 12px; }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: 10px; padding: 14px 16px; display: grid; gap: 8px; }
.card.active { border-color: var(--focus); box-shadow: 0 0 0 1px var(--focus); }
.card.reviewed { opacity: .82; }
.card-head { display: flex; gap: 10px; align-items: baseline; justify-content: space-between; flex-wrap: wrap; }
.file { font-weight: 600; overflow-wrap: anywhere; min-width: 0; }
.pills { display: flex; gap: 6px; flex-wrap: wrap; }
.pill { font-size: 12px; font-weight: 600; padding: 1px 8px; border-radius: 99px; background: var(--chip); color: var(--muted); }
.pill.inc { background: var(--ok-bg); color: var(--ok); }
.pill.exc { background: var(--bad-bg); color: var(--bad); }
.pill.warn { background: var(--warn-bg); color: var(--warn); }
.pill.done { background: transparent; border: 1px solid var(--line); }
.summary { margin: 0; max-width: 80ch; }
.meta { display: flex; flex-wrap: wrap; gap: 4px 14px; font-size: 13px; color: var(--muted); }
.meta b { color: var(--ink); font-weight: 600; }
.score { display: inline-flex; gap: 2px; vertical-align: middle; } .score i { width: 7px; height: 7px; border-radius: 50%; background: var(--line); display: block; } .score i.on { background: var(--ink); }
.ai { font-size: 13px; background: var(--warn-bg); color: var(--warn); border-radius: 6px; padding: 5px 9px; }
.ai.agree { background: var(--chip); color: var(--muted); }
.privacy { font-size: 13px; color: var(--bad); }
.actions { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; }
.actions select { padding: 5px 6px; border: 1px solid var(--line); border-radius: 8px; background: var(--surface); }
.preview { font: 12.5px/1.55 var(--f-mono); white-space: pre-wrap; overflow-wrap: anywhere; background: var(--bg); border: 1px solid var(--line); border-radius: 8px; padding: 10px 12px; max-height: 340px; overflow: auto; }
.empty { padding: 40px; text-align: center; color: var(--muted); background: var(--surface); border: 1px dashed var(--line); border-radius: 10px; }

.toast { position: fixed; left: 50%; transform: translateX(-50%); bottom: calc(16px + env(safe-area-inset-bottom)); background: var(--ink); color: var(--bg); padding: 9px 14px; border-radius: 10px; font-size: 14px; z-index: 20; max-width: calc(100% - 32px); }
@media (max-width: 700px) { .bulkbar .keys { display: none; } .controls { position: static; } }