:root {
  --bg: #f6f5f1; --surface: #ffffff; --text: #1c1b18; --muted: #5f5c55; --line: #dedbd2;
  --accent: #1f5f4a; --accent-text: #ffffff; --danger: #a3271f; --warn-bg: #fdecea; --ok-bg: #e5f2ea;
  --radius: 8px;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #151513; --surface: #1f1f1c; --text: #ecebe6; --muted: #a5a299; --line: #35342f;
    --accent: #6fc3a3; --accent-text: #10201a; --danger: #f08a80; --warn-bg: #3a1f1c; --ok-bg: #1b2f26; }
}
* { box-sizing: border-box; }
html { font-size: 16px; }
body { margin: 0; background: var(--bg); color: var(--text); font: 1rem/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
a { color: var(--accent); }
h1 { font-size: 1.5rem; line-height: 1.25; margin: 0 0 12px; }
h2 { font-size: 1.125rem; margin: 0 0 8px; }
h3 { font-size: 1rem; margin: 12px 0 4px; }
p { margin: 0 0 8px; }
main { max-width: 760px; margin: 0 auto; padding: 24px 16px 64px; }
main.wide { max-width: 1240px; }
section { margin-top: 32px; }
.muted { color: var(--muted); font-size: 0.875rem; }
.break { overflow-wrap: anywhere; }
.pre { white-space: pre-wrap; overflow-wrap: anywhere; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); }

.top { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 16px; padding: 8px 16px; background: var(--surface); border-bottom: 1px solid var(--line); }
.brand { font-weight: 700; color: var(--text); text-decoration: none; }
.top nav { display: flex; flex-wrap: wrap; gap: 4px; flex: 1; }
.top nav a { padding: 8px 12px; border-radius: var(--radius); color: var(--text); text-decoration: none; min-height: 44px; display: inline-flex; align-items: center; }
.top nav a.on { background: var(--bg); font-weight: 600; }
.top nav a:hover { background: var(--bg); }
.me { display: flex; align-items: center; gap: 12px; }
.me form { margin: 0; }

.head { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 8px; margin-bottom: 8px; }
.head h1, .head h2 { margin: 0; }
.row { display: flex; gap: 8px; align-items: center; }
.row.wrap { flex-wrap: wrap; }
.right { margin-left: auto; display: inline-flex; flex-wrap: wrap; gap: 8px; align-items: center; justify-content: flex-end; }

button, .btn { font: inherit; min-height: 44px; padding: 8px 16px; border-radius: var(--radius); border: 1px solid var(--line); background: var(--surface); color: var(--text); cursor: pointer; }
a.btn { display: inline-flex; align-items: center; text-decoration: none; }
a.btn:hover { border-color: var(--muted); }
.grow { flex: 1; min-width: 0; margin: 0; }
button:hover { border-color: var(--muted); }
button.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-text); font-weight: 600; }
button.danger { border-color: var(--danger); color: var(--danger); }
button.link { border: 0; background: none; padding: 0 4px; min-height: 44px; color: var(--accent); text-decoration: underline; }
button:disabled { opacity: 0.6; cursor: default; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

label { display: block; font-weight: 600; font-size: 0.875rem; margin-top: 12px; }
label.check { font-weight: 400; font-size: 1rem; margin-top: 4px; min-height: 32px; display: flex; gap: 8px; align-items: center; }
input:not([type=checkbox]):not([type=file]), select, textarea { font: inherit; width: 100%; min-height: 44px; padding: 8px 12px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); color: var(--text); }
textarea { resize: vertical; }
.row select { width: auto; }
form.stack { display: flex; flex-direction: column; gap: 4px; max-width: 560px; }
form.stack button { align-self: flex-start; margin-top: 12px; }
form.inline { display: inline; }
fieldset { border: 1px solid var(--line); border-radius: var(--radius); padding: 8px 12px; margin: 12px 0 0; }
legend { font-weight: 600; font-size: 0.875rem; padding: 0 4px; }
details { margin-top: 8px; }
summary { cursor: pointer; min-height: 32px; }

.flash { padding: 12px 16px; border-radius: var(--radius); margin-bottom: 16px; border: 1px solid var(--line); }
.flash.ok { background: var(--ok-bg); }
.flash.err { background: var(--warn-bg); }
.empty { color: var(--muted); padding: 16px; border: 1px dashed var(--line); border-radius: var(--radius); }

.badge { display: inline-block; padding: 2px 8px; border-radius: 999px; font-size: 0.8125rem; border: 1px solid var(--line); background: var(--surface); white-space: nowrap; }
.s-done, .s-approved { background: var(--ok-bg); }
.s-blocked, .s-overdue, .s-sent_back { background: var(--warn-bg); border-color: var(--danger); }
.s-stale, .s-cancelled { color: var(--muted); }
.s-in_progress { border-color: var(--accent); }

ul.tasks, ul.cards, ul.log, ul.files, ol.steps { list-style: none; margin: 0; padding: 0; }
ul.tasks li, ol.steps > li, ul.cards li { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 12px 16px; margin-bottom: 8px; }
ul.tasks li { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
ul.tasks li.alert { border-color: var(--danger); }
ul.cards li { display: flex; flex-wrap: wrap; gap: 12px; justify-content: space-between; align-items: flex-start; }
ul.cards li > div:first-child { flex: 1 1 280px; }
ul.log li { padding: 4px 0; border-bottom: 1px solid var(--line); font-size: 0.9375rem; }
.steprow { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
ul.files li { margin: 8px 0; }
video, img { max-width: 100%; max-height: 420px; border-radius: var(--radius); display: block; }
audio { width: 100%; }

.code { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 12px; overflow-x: auto; white-space: pre-wrap; overflow-wrap: anywhere; font: 0.875rem/1.5 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; max-height: 480px; overflow-y: auto; }
code { font: 0.875rem ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; overflow-wrap: anywhere; }
.output { border-left: 3px solid var(--line); padding-left: 12px; margin: 8px 0; }

.scroll { overflow-x: auto; }
table.board { border-collapse: collapse; width: 100%; background: var(--surface); }
table.board th, table.board td { border: 1px solid var(--line); padding: 8px; text-align: left; vertical-align: top; font-size: 0.875rem; min-width: 104px; }
table.board thead th { white-space: nowrap; }
table.board tbody th { min-width: 180px; font-weight: 600; }
td.none { color: var(--muted); }

.login { max-width: 360px; margin: 10vh auto 0; }
.login form { display: flex; flex-direction: column; gap: 4px; }
.login button { margin-top: 16px; }

.chat .msgs { display: flex; flex-direction: column; gap: 8px; max-height: 480px; overflow-y: auto; padding: 4px 0 12px; }
.msg { padding: 8px 12px; border-radius: var(--radius); border: 1px solid var(--line); background: var(--surface); max-width: 92%; }
.msg.user { align-self: flex-end; background: var(--ok-bg); }
.msg .who { font-size: 0.8125rem; color: var(--muted); }
.chatform { display: flex; gap: 8px; align-items: flex-end; }
.chatform textarea { flex: 1; }
progress { width: 100%; }

@media (max-width: 600px) {
  .right { margin-left: 0; justify-content: flex-start; }
  .chatform { flex-direction: column; align-items: stretch; }
}