:root {
  --bg: #f4f5f7; --panel: #fff; --text: #172b4d; --muted: #6b778c; --border: #dfe1e6;
  --accent: #0052cc; --accent-text: #fff; --danger: #de350b; --ok: #00875a; --warn: #ff991f;
  --col: #ebecf0; --shadow: 0 1px 2px rgba(9,30,66,.25);
  --p-low: #8993a4; --p-normal: #0065ff; --p-high: #ff8b00; --p-urgent: #de350b;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #1d2125; --panel: #22272b; --text: #dee4ea; --muted: #9fadbc; --border: #3a444c;
    --accent: #579dff; --accent-text: #1d2125; --col: #161a1d; --shadow: 0 1px 2px rgba(0,0,0,.5);
  }
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--text); font: 14px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
button, input, select, textarea { font: inherit; color: inherit; }
input, select, textarea { background: var(--panel); border: 1px solid var(--border); border-radius: 6px; padding: 7px 9px; width: 100%; }
textarea { min-height: 90px; resize: vertical; }
label { display: block; font-size: 12px; color: var(--muted); margin: 10px 0 4px; font-weight: 600; }
button { cursor: pointer; border: 1px solid var(--border); background: var(--panel); border-radius: 6px; padding: 6px 12px; }
button:hover { filter: brightness(.96); }
button.primary { background: var(--accent); color: var(--accent-text); border-color: var(--accent); }
button.danger { color: var(--danger); border-color: var(--danger); }
button.ok { background: var(--ok); color: #fff; border-color: var(--ok); }
button.link { border: 0; background: none; color: var(--accent); padding: 0; }
button:disabled { opacity: .5; cursor: default; }
a { color: var(--accent); }
.hidden { display: none !important; }
.muted { color: var(--muted); }
.small { font-size: 12px; }
.row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.grow { flex: 1; }
code, pre { font-family: ui-monospace, Consolas, monospace; font-size: 12px; background: var(--col); border-radius: 4px; }
code { padding: 1px 4px; }
pre { padding: 10px; overflow-x: auto; white-space: pre-wrap; word-break: break-all; }

/* login */
.auth { max-width: 360px; margin: 10vh auto; background: var(--panel); padding: 28px; border-radius: 10px; box-shadow: var(--shadow); }
.auth h1 { margin: 0 0 6px; font-size: 22px; }
.err { color: var(--danger); min-height: 20px; margin-top: 8px; font-size: 13px; }

/* top bar */
header { display: flex; align-items: center; gap: 12px; padding: 10px 16px; background: var(--panel); border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 10; flex-wrap: wrap; }
header .brand { font-weight: 700; font-size: 16px; }
header nav { display: flex; gap: 4px; }
header nav a { padding: 6px 10px; border-radius: 6px; text-decoration: none; color: var(--text); }
header nav a.active { background: var(--col); }
.bell { position: relative; }
.badge { position: absolute; top: -6px; right: -6px; background: var(--danger); color: #fff; border-radius: 10px; font-size: 11px; padding: 0 5px; min-width: 18px; text-align: center; }
.banner { background: #fffae6; color: #172b4d; padding: 8px 16px; border-bottom: 1px solid #ffe380; }
main { padding: 16px; }

/* board */
.toolbar { display: flex; gap: 8px; margin-bottom: 12px; flex-wrap: wrap; align-items: center; }
.toolbar input { max-width: 260px; }
.toolbar select { width: auto; }
.board { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; align-items: start; }
@media (max-width: 800px) { .board { grid-template-columns: 1fr; } }
.column { background: var(--col); border-radius: 8px; padding: 8px; min-height: 200px; }
.column.drop { outline: 2px dashed var(--accent); }
.column h2 { font-size: 12px; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); margin: 4px 6px 10px; display: flex; justify-content: space-between; }
.card { background: var(--panel); border-radius: 6px; padding: 10px; margin-bottom: 8px; box-shadow: var(--shadow); cursor: pointer; border-left: 4px solid var(--p-normal); }
.card[data-p=low] { border-left-color: var(--p-low); }
.card[data-p=high] { border-left-color: var(--p-high); }
.card[data-p=urgent] { border-left-color: var(--p-urgent); }
.card .title { font-weight: 600; margin-bottom: 6px; word-break: break-word; }
.card .meta { display: flex; gap: 6px; flex-wrap: wrap; align-items: center; font-size: 12px; color: var(--muted); }
.pill { display: inline-block; padding: 1px 7px; border-radius: 10px; font-size: 11px; background: var(--col); color: var(--muted); }
.pill.pending { background: #fff0b3; color: #974f0c; }
.pill.mine { background: #deebff; color: #0747a6; }
.pill.urgent { background: #ffebe6; color: #bf2600; }
.card .claim { margin-top: 8px; }
.avatar { display: inline-flex; width: 22px; height: 22px; border-radius: 50%; background: var(--accent); color: var(--accent-text); align-items: center; justify-content: center; font-size: 11px; font-weight: 700; }

/* modal */
.overlay { position: fixed; inset: 0; background: rgba(9,30,66,.54); display: flex; align-items: flex-start; justify-content: center; padding: 5vh 12px; z-index: 50; overflow-y: auto; }
.modal { background: var(--panel); border-radius: 10px; width: 100%; max-width: 760px; padding: 20px; box-shadow: 0 8px 30px rgba(0,0,0,.3); }
.modal.sm { max-width: 440px; }
.modal h3 { margin: 0 0 8px; }
.modal .actions { display: flex; gap: 8px; justify-content: flex-end; margin-top: 16px; flex-wrap: wrap; }
.detail { display: grid; grid-template-columns: minmax(0, 1fr) 220px; gap: 20px; }
@media (max-width: 700px) { .detail { grid-template-columns: 1fr; } }
.desc { white-space: pre-wrap; word-break: break-word; }
.comment { border-top: 1px solid var(--border); padding: 8px 0; }
.comment .who { font-weight: 600; font-size: 13px; }
.comment .body { white-space: pre-wrap; word-break: break-word; }
.files li { margin: 4px 0; }
.activity { font-size: 12px; color: var(--muted); max-height: 160px; overflow-y: auto; }
.callout { background: #fff0b3; color: #172b4d; padding: 10px; border-radius: 6px; margin: 8px 0; }

/* notifications drawer */
.drawer { position: fixed; top: 52px; right: 12px; width: min(380px, calc(100vw - 24px)); max-height: 70vh; overflow-y: auto; background: var(--panel); border-radius: 8px; box-shadow: 0 8px 30px rgba(0,0,0,.25); z-index: 40; }
.drawer .item { padding: 10px 12px; border-bottom: 1px solid var(--border); cursor: pointer; font-size: 13px; }
.drawer .item.unread { background: rgba(0,82,204,.07); }
.toasts { position: fixed; bottom: 16px; right: 16px; display: flex; flex-direction: column; gap: 8px; z-index: 60; }
.toast { background: #172b4d; color: #fff; padding: 10px 14px; border-radius: 6px; max-width: 360px; box-shadow: var(--shadow); cursor: pointer; }

/* tables / settings */
.panel { background: var(--panel); border-radius: 8px; padding: 16px; margin-bottom: 16px; box-shadow: var(--shadow); max-width: 980px; }
.panel h3 { margin-top: 0; }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 6px; border-bottom: 1px solid var(--border); vertical-align: middle; }
th { font-size: 12px; color: var(--muted); }
td input, td select { padding: 4px 6px; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 0 12px; }
@media (max-width: 600px) { .grid2 { grid-template-columns: 1fr; } }

/* install commands */
.tabs { display: flex; gap: 4px; margin-top: 14px; flex-wrap: wrap; }
.tabs button { border-radius: 6px 6px 0 0; border-bottom: 0; }
.tabs button.active { background: var(--accent); color: var(--accent-text); border-color: var(--accent); }
.cmdbox { position: relative; }
.cmdbox pre { margin: 0; padding: 14px 80px 14px 12px; border-radius: 0 6px 6px 6px; min-height: 46px; background: #0f172a; color: #e2e8f0; }
.cmdbox button { position: absolute; top: 8px; right: 8px; }