/* Jira-like look (Atlassian design tokens, light and dark). */
:root {
  --text: #172B4D; --text-subtle: #44546F; --text-subtlest: #626F86; --link: #0C66E4;
  --bg: #FFFFFF; --bg-sunken: #F7F8F9; --bg-hover: #091E420F; --bg-pressed: #091E4224; --bg-selected: #E9F2FF;
  --border: #091E4224; --border-bold: #758195; --focus: #388BFF;
  --brand: #0C66E4; --brand-hover: #0055CC; --on-brand: #FFFFFF;
  --done-bg: #DCFFF1; --done-text: #216E4E; --prog-bg: #E9F2FF; --prog-text: #0055CC; --todo-bg: #091E420F; --todo-text: #44546F;
  --danger: #C9372C; --danger-bg: #FFECEB; --warn: #A54800; --warn-bg: #FFF7D6; --success: #216E4E;
  --story: #63BA3C; --task: #4BADE8; --bug: #E5493A;
  --shadow: 0 1px 1px #091E4240, 0 0 1px #091E424F;
  --overlay: 0 8px 12px #091E4226, 0 0 1px #091E424F;
}
@media (prefers-color-scheme: dark) {
  :root {
    --text: #B6C2CF; --text-subtle: #9FADBC; --text-subtlest: #8C9BAB; --link: #579DFF;
    --bg: #1D2125; --bg-sunken: #161A1D; --bg-hover: #A1BDD914; --bg-pressed: #A6C5E229; --bg-selected: #1C2B41;
    --border: #A6C5E229; --border-bold: #738496; --focus: #85B8FF;
    --brand: #579DFF; --brand-hover: #85B8FF; --on-brand: #1D2125;
    --done-bg: #1C3329; --done-text: #7EE2B8; --prog-bg: #1C2B41; --prog-text: #85B8FF; --todo-bg: #A1BDD914; --todo-text: #9FADBC;
    --danger: #FD9891; --danger-bg: #42221F; --warn: #F5CD47; --warn-bg: #332E1B; --success: #7EE2B8;
    --shadow: 0 0 0 1px #BCD6F00A, 0 1px 1px #03040480; --overlay: 0 0 0 1px #39424A, 0 8px 12px #0304045C;
  }
}
* { box-sizing: border-box; }
html, body { height: 100%; }
body { margin: 0; color: var(--text); background: var(--bg);
  font: 14px/20px -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Noto Sans", Ubuntu, "Helvetica Neue", sans-serif; }
button, input, select, textarea { font: inherit; color: inherit; }
a { color: var(--link); text-decoration: none; }
a:hover { text-decoration: underline; }
svg { flex: none; }

/* ---------- buttons, inputs */
.btn { display: inline-flex; align-items: center; gap: 6px; height: 32px; padding: 0 12px; border: 0; border-radius: 3px;
  background: var(--bg-hover); color: var(--text-subtle); font-weight: 500; cursor: pointer; white-space: nowrap; }
.btn:hover { background: var(--bg-pressed); }
.btn.primary { background: var(--brand); color: var(--on-brand); }
.btn.primary:hover { background: var(--brand-hover); }
.btn.subtle { background: transparent; }
.btn.subtle:hover { background: var(--bg-hover); }
.btn.danger { color: var(--danger); }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.btn.icon { width: 32px; padding: 0; justify-content: center; }
.btn.sm { height: 24px; padding: 0 8px; font-size: 12px; }
.btn.sm.icon { width: 24px; }
input, select, textarea { width: 100%; padding: 6px 8px; border: 2px solid var(--border); border-radius: 3px; background: var(--bg); }
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--focus); }
textarea { min-height: 160px; resize: vertical; line-height: 20px; }
textarea.mono { font: 13px/20px ui-monospace, SFMono-Regular, Menlo, monospace; }
:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; }

/* ---------- top navigation */
.nav { height: 56px; display: flex; align-items: center; gap: 12px; padding: 0 16px; border-bottom: 1px solid var(--border);
  background: var(--bg); position: sticky; top: 0; z-index: 5; }
.logo { display: flex; align-items: center; gap: 8px; font-weight: 600; color: var(--text); }
.logo .mark { width: 24px; height: 24px; border-radius: 4px; background: var(--brand); display: grid; place-items: center; color: var(--on-brand); }
.crumbs { color: var(--text-subtlest); display: flex; gap: 6px; align-items: center; min-width: 0; }
.crumbs span { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.grow { flex: 1; }
main { padding: 24px 32px; }

/* ---------- lozenges, avatars, type icons */
.lozenge { display: inline-flex; align-items: center; height: 20px; padding: 0 4px; border-radius: 3px; font-size: 11px; font-weight: 700;
  text-transform: uppercase; letter-spacing: .02em; white-space: nowrap; }
.lozenge.done { background: var(--done-bg); color: var(--done-text); }
.lozenge.progress { background: var(--prog-bg); color: var(--prog-text); }
.lozenge.todo { background: var(--todo-bg); color: var(--todo-text); }
.lozenge.err { background: var(--danger-bg); color: var(--danger); }
.lozenge.warn { background: var(--warn-bg); color: var(--warn); }
.tag { display: inline-flex; align-items: center; height: 20px; padding: 0 6px; border-radius: 3px; background: var(--bg-hover); color: var(--text-subtle); font-size: 12px; }
.avatar { display: inline-grid; place-items: center; width: 24px; height: 24px; border-radius: 50%; color: #fff; font-size: 11px; font-weight: 600; flex: none; }
.avatar.lg { width: 32px; height: 32px; font-size: 12px; }
.avatar.none { background: var(--bg-pressed); color: var(--text-subtlest); }
.person { display: inline-flex; align-items: center; gap: 8px; min-width: 0; }
.person span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.typeicon { width: 16px; height: 16px; border-radius: 2px; display: inline-grid; place-items: center; }

/* ---------- inline edit: a value with a pencil */
.editable { display: flex; align-items: flex-start; gap: 4px; min-height: 32px; padding: 4px 6px; margin: 0 -6px; border-radius: 3px; position: relative; }
.editable:hover { background: var(--bg-hover); }
.editable > .val { flex: 1; min-width: 0; padding-top: 2px; }
.pencil { border: 0; background: transparent; color: var(--text-subtlest); width: 24px; height: 24px; border-radius: 3px; display: grid; place-items: center; cursor: pointer; flex: none; }
.pencil:hover { background: var(--bg-pressed); color: var(--text); }
.editing { padding: 2px 0; }
.edit-actions { display: flex; justify-content: flex-end; gap: 4px; margin-top: 4px; }
.edit-actions .btn { box-shadow: var(--overlay); background: var(--bg); }
.edit-actions .btn.primary { background: var(--brand); }

/* ---------- cards and tables */
.page-title { font-size: 24px; line-height: 28px; font-weight: 500; margin: 0 0 16px; }
.panel { border: 1px solid var(--border); border-radius: 3px; background: var(--bg); }
.toolbar { display: flex; align-items: center; gap: 8px; margin-bottom: 16px; flex-wrap: wrap; }
table { width: 100%; border-collapse: collapse; }
th { text-align: left; font-size: 12px; font-weight: 600; color: var(--text-subtlest); padding: 8px; border-bottom: 2px solid var(--border); }
td { padding: 8px; border-bottom: 1px solid var(--border); vertical-align: middle; }
tr.row:hover { background: var(--bg-hover); cursor: pointer; }
.subtle { color: var(--text-subtlest); }
.upload { position: relative; overflow: hidden; }
.upload input { position: absolute; inset: 0; opacity: 0; cursor: pointer; }

/* ---------- login */
.login { max-width: 400px; margin: 10vh auto; padding: 32px 40px; box-shadow: var(--overlay); border-radius: 3px; background: var(--bg); }
.login h1 { font-size: 20px; text-align: center; margin: 12px 0 24px; font-weight: 500; }
.field-label { display: block; font-size: 12px; font-weight: 600; color: var(--text-subtle); margin: 16px 0 4px; }

/* ---------- issue navigator: list + issue view */
.workspace { display: grid; grid-template-columns: minmax(300px, 420px) 1fr; height: calc(100vh - 56px - 49px); }
.listpane { border-right: 1px solid var(--border); display: flex; flex-direction: column; min-height: 0; background: var(--bg); }
.listpane .filters { padding: 12px; display: grid; gap: 8px; border-bottom: 1px solid var(--border); }
.listpane .filters .row3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 8px; }
.issues { overflow: auto; flex: 1; }
.irow { display: grid; grid-template-columns: 16px auto 1fr auto 24px; gap: 8px; align-items: center; padding: 8px 12px; border-bottom: 1px solid var(--border); cursor: pointer; }
.irow:hover { background: var(--bg-hover); }
.irow.sel { background: var(--bg-selected); box-shadow: inset 2px 0 var(--brand); }
.irow .k { color: var(--text-subtlest); font-size: 12px; white-space: nowrap; }
.irow .s { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.bar { display: flex; align-items: center; gap: 8px; padding: 8px 16px; border-bottom: 1px solid var(--border); height: 49px; background: var(--bg); }
.issuepane { overflow: auto; background: var(--bg); }
.issue { display: grid; grid-template-columns: 1fr 340px; gap: 32px; padding: 24px 32px; align-items: start; }
.issue-key { display: flex; align-items: center; gap: 8px; color: var(--text-subtlest); margin-bottom: 8px; }
.summary .val { font-size: 24px; line-height: 28px; font-weight: 500; }
.section-title { font-size: 16px; font-weight: 600; margin: 24px 0 8px; }
.desc p { margin: 0 0 8px; }
.desc ul { margin: 0 0 8px; padding-left: 24px; }
.desc h4 { font-size: 14px; font-weight: 600; margin: 12px 0 4px; }
.details { border: 1px solid var(--border); border-radius: 3px; position: sticky; top: 16px; }
.details h3 { margin: 0; padding: 12px 16px; font-size: 14px; font-weight: 600; border-bottom: 1px solid var(--border); }
.dl { display: grid; grid-template-columns: 120px 1fr; gap: 4px 12px; padding: 12px 16px; align-items: start; }
.dl > .label { font-size: 12px; font-weight: 600; color: var(--text-subtlest); padding-top: 10px; }
.dl .editable { margin: 0; }
.tabs { display: flex; gap: 4px; margin: 8px 0 12px; }
.tabs .btn.on { background: var(--bg-selected); color: var(--link); }
.activity { display: grid; gap: 16px; }
.act { display: grid; grid-template-columns: 32px 1fr; gap: 12px; }
.act .who { font-weight: 600; }
.act .when { color: var(--text-subtlest); font-size: 12px; margin-left: 8px; }
.act .body { margin-top: 4px; }
.change { display: flex; align-items: center; gap: 8px; margin-top: 4px; flex-wrap: wrap; }
.problems { margin: 16px 0 0; padding: 12px 16px; border-radius: 3px; }
.problems.has-err { background: var(--danger-bg); }
.problems.has-warn { background: var(--warn-bg); }
.problems ul { margin: 4px 0 0; padding-left: 20px; }
.problems li { cursor: default; }
.problems li[data-i] { cursor: pointer; text-decoration: underline dotted; }
.validation { padding: 12px 16px; border-top: 1px solid var(--border); }
#toast { position: fixed; left: 24px; bottom: 24px; max-width: 440px; padding: 12px 16px; border-radius: 3px; background: var(--text); color: var(--bg);
  box-shadow: var(--overlay); opacity: 0; transition: opacity .2s; pointer-events: none; z-index: 10; }
#toast.show { opacity: 1; }
.empty { padding: 32px; text-align: center; color: var(--text-subtlest); }

@media (max-width: 1100px) { .issue { grid-template-columns: 1fr; } .details { position: static; } }
@media (max-width: 800px) {
  main { padding: 16px; }
  .workspace { grid-template-columns: 1fr; height: auto; }
  .listpane { max-height: 45vh; border-right: 0; border-bottom: 1px solid var(--border); }
  .issue { padding: 16px; }
  .dl { grid-template-columns: 1fr; }
  .dl > .label { padding-top: 4px; }
}