:root {
  --bg: #f1f5f9; --surface: #ffffff; --surface-2: #f8fafc; --border: #cbd5e1;
  --text: #1e293b; --heading: #0f172a; --muted: #64748b; --faint: #94a3b8;
  --accent: #059669; --accent-fg: #ffffff;
  --ok-bg: #d1fae5; --ok-fg: #065f46;
  --warn-bg: #fef3c7; --warn-fg: #92400e;
  --err-bg: #fee2e2; --err-fg: #991b1b;
  --info-bg: #dbeafe; --info-fg: #1e40af;
  --shadow: 0 1px 2px rgba(15, 23, 42, .08);
  --mono: 'SF Mono', 'Cascadia Code', 'Fira Code', ui-monospace, monospace;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f172a; --surface: #1e293b; --surface-2: #172033; --border: #334155;
    --text: #e2e8f0; --heading: #f8fafc; --muted: #94a3b8; --faint: #64748b;
    --accent: #34d399; --accent-fg: #0f172a;
    --ok-bg: #065f46; --ok-fg: #a7f3d0;
    --warn-bg: #78350f; --warn-fg: #fde68a;
    --err-bg: #7f1d1d; --err-fg: #fecaca;
    --info-bg: #1e3a5f; --info-fg: #bfdbfe;
    --shadow: none;
    color-scheme: dark;
  }
}

*, *::before, *::after { box-sizing: border-box; }
body { margin: 0; font: 14px/1.45 -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif; background: var(--bg); color: var(--text); }
a { color: var(--accent); }
h1, h2, h3, h4, h5 { color: var(--heading); margin: 0 0 8px; }
h3 { font-size: 1rem; } h4 { font-size: .9rem; } h5 { font-size: .8rem; }
pre { white-space: pre-wrap; word-break: break-word; font: 12px/1.45 var(--mono); background: var(--surface-2); border: 1px solid var(--border); border-radius: 6px; padding: 8px; margin: 4px 0; max-height: 320px; overflow: auto; }
ul, ol { margin: 4px 0; padding-left: 20px; }
.mono { font-family: var(--mono); font-size: .85em; }
.muted { color: var(--muted); }
.small { font-size: .78rem; }
.num { text-align: right; font-variant-numeric: tabular-nums; }
.inline { display: inline; }
.empty { color: var(--faint); text-align: center; padding: 16px; }

/* layout */
.topbar { display: flex; align-items: center; gap: 16px; padding: 10px 16px; background: var(--surface); border-bottom: 1px solid var(--border); flex-wrap: wrap; }
.brand { font-weight: 700; font-size: 1.1rem; color: var(--heading); text-decoration: none; }
.nav { display: flex; gap: 4px; flex-wrap: wrap; }
.nav a { padding: 6px 10px; border-radius: 6px; color: var(--muted); text-decoration: none; }
.nav a:hover { background: var(--surface-2); color: var(--text); }
.nav a.active { color: var(--accent); background: var(--surface-2); font-weight: 600; }
.topbar-right { margin-left: auto; display: flex; align-items: center; gap: 12px; }
.lang a { color: var(--muted); text-decoration: none; padding: 2px 4px; font-size: .8rem; }
.lang a.active { color: var(--accent); font-weight: 700; }
.project-bar { display: flex; flex-wrap: wrap; gap: 6px 18px; padding: 8px 16px; background: var(--surface-2); border-bottom: 1px solid var(--border); font-size: .8rem; }
.pb-label { text-transform: uppercase; letter-spacing: .05em; color: var(--faint); font-size: .7rem; }
.page { padding: 16px; }
.page-narrow { max-width: 420px; margin: 10vh auto; }

/* controls */
.btn { font: inherit; font-size: .8rem; padding: 5px 10px; border-radius: 6px; border: 1px solid var(--border); background: var(--surface); color: var(--text); cursor: pointer; }
.btn:hover:not(:disabled) { border-color: var(--accent); }
.btn:disabled { opacity: .45; cursor: not-allowed; }
.btn-ghost { background: transparent; }
.btn.active { border-color: var(--accent); color: var(--accent); font-weight: 600; }
.btn-primary { background: var(--accent); color: var(--accent-fg); border-color: var(--accent); }
.btn-danger { background: var(--err-fg); color: #fff; border-color: var(--err-fg); }
.btn-danger-ghost { color: var(--err-fg); }
.input, select, textarea { font: inherit; font-size: .85rem; padding: 6px 8px; border-radius: 6px; border: 1px solid var(--border); background: var(--surface); color: var(--text); }
textarea { width: 100%; resize: vertical; margin: 4px 0; }
.pill { display: inline-block; padding: 1px 8px; border-radius: 999px; font-size: .72rem; font-weight: 600; background: var(--surface-2); color: var(--muted); border: 1px solid var(--border); white-space: nowrap; }
.pill-ok { background: var(--ok-bg); color: var(--ok-fg); border-color: transparent; }
.pill-warn, .pill-wait { background: var(--warn-bg); color: var(--warn-fg); border-color: transparent; }
.pill-err { background: var(--err-bg); color: var(--err-fg); border-color: transparent; }
.notice { padding: 8px 10px; border-radius: 6px; margin: 8px 0; font-size: .85rem; }
.notice-ok { background: var(--ok-bg); color: var(--ok-fg); }
.notice-err { background: var(--err-bg); color: var(--err-fg); }

/* board */
.board-header { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 8px 16px; margin-bottom: 12px; }
.board-header .stats, .board-header .controls { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 14px; }
.stat-label { color: var(--muted); font-size: .75rem; text-transform: uppercase; letter-spacing: .04em; }
.board { display: grid; grid-template-columns: repeat(8, minmax(200px, 1fr)); gap: 10px; overflow-x: auto; padding-bottom: 8px; align-items: start; }
.column { background: var(--surface-2); border: 1px solid var(--border); border-radius: 8px; padding: 8px; min-height: 120px; }
.column h2 { font-size: .8rem; text-transform: uppercase; letter-spacing: .05em; color: var(--muted); display: flex; justify-content: space-between; cursor: help; }
.column .count { background: var(--surface); border-radius: 999px; padding: 0 8px; }
.column-needshuman { border-color: var(--warn-fg); }
.column-needshuman h2 { color: var(--warn-fg); }
.cards { display: flex; flex-direction: column; gap: 6px; max-height: calc(100vh - 220px); overflow-y: auto; }
.kcard { background: var(--surface); border: 1px solid var(--border); border-radius: 6px; padding: 8px; cursor: pointer; box-shadow: var(--shadow); }
.kcard:hover, .kcard:focus-visible { border-color: var(--accent); outline: none; }
.kcard.selected { border-color: var(--accent); box-shadow: 0 0 0 2px var(--accent); }
.kcard.dimmed { opacity: .55; }
.kcard.paused { border-style: dashed; }
.kcard-head { display: flex; justify-content: space-between; gap: 6px; }
.ident { color: var(--accent); font-weight: 600; }
.kcard-title { margin: 4px 0 6px; color: var(--heading); }
.kcard-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 4px 8px; }

/* drawer */
.drawer { position: fixed; top: 0; right: 0; bottom: 0; width: min(560px, 100vw); background: var(--surface); border-left: 1px solid var(--border); box-shadow: -8px 0 24px rgba(0, 0, 0, .18); padding: 16px; overflow-y: auto; z-index: 10; }
.drawer-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; }
.links { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 14px; margin: 8px 0; }
.actions { display: flex; flex-wrap: wrap; gap: 8px; margin: 10px 0; }
.section { border-top: 1px solid var(--border); padding: 10px 0; }
.section summary { cursor: pointer; font-weight: 600; color: var(--heading); }
.section.warn h4 { color: var(--warn-fg); }
.reply { background: var(--surface-2); border: 1px solid var(--warn-fg); border-radius: 8px; padding: 10px; margin: 10px 0; }
.grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 4px 16px; padding: 10px 0; border-top: 1px solid var(--border); }
.k { display: block; color: var(--faint); font-size: .7rem; text-transform: uppercase; letter-spacing: .04em; }
.events { list-style: none; padding: 0; font-size: .8rem; }
.events li { padding: 3px 0; border-bottom: 1px solid var(--surface-2); word-break: break-word; }
.events-page { background: var(--surface); border: 1px solid var(--border); border-radius: 8px; padding: 8px 12px; }
.subtasks { list-style: none; padding: 0; }
.subtasks li { padding: 4px 0 4px 8px; border-left: 2px solid var(--border); margin-bottom: 4px; }

/* panels, tables, kpis */
.panel { background: var(--surface); border: 1px solid var(--border); border-radius: 8px; padding: 12px 16px; margin-bottom: 12px; }
.table { width: 100%; border-collapse: collapse; font-size: .85rem; }
.table th { text-align: left; color: var(--muted); font-size: .72rem; text-transform: uppercase; letter-spacing: .04em; padding: 6px 8px; border-bottom: 1px solid var(--border); }
.table td { padding: 6px 8px; border-bottom: 1px solid var(--surface-2); vertical-align: top; }
.kpis { display: grid; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 10px; margin-bottom: 12px; }
.kpi { background: var(--surface); border: 1px solid var(--border); border-radius: 8px; padding: 10px 14px; }
.kpi b { font-size: 1.3rem; color: var(--heading); }
.two-col { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 12px; }
.login { display: flex; flex-direction: column; gap: 10px; }

/* projects, config, editor, wizard */
.notice-warn { background: var(--warn-bg); color: var(--warn-fg); }
.notice ul { margin: 4px 0 0; }
.actions-cell { white-space: nowrap; }
.actions-cell .btn { margin-right: 4px; text-decoration: none; display: inline-block; }
a.btn { text-decoration: none; display: inline-block; }
.config-section { padding: 8px 12px; }
.config-section summary { cursor: pointer; font-weight: 600; }
.editor-form { display: flex; flex-direction: column; gap: 8px; }
.editor { width: 100%; min-height: 60vh; font-size: 12.5px; line-height: 1.5; tab-size: 2; white-space: pre; }
.steps { display: flex; flex-wrap: wrap; gap: 6px; list-style: none; padding: 0; margin: 0 0 12px; counter-reset: step; }
.steps li { counter-increment: step; padding: 4px 10px; border-radius: 999px; border: 1px solid var(--border); color: var(--muted); font-size: .8rem; }
.steps li::before { content: counter(step) ". "; }
.steps li.current { border-color: var(--accent); color: var(--accent); font-weight: 600; }
.steps li.done { background: var(--ok-bg); color: var(--ok-fg); border-color: transparent; }
.wizard { display: flex; flex-direction: column; gap: 10px; align-items: flex-start; }
.wizard .input.wide, .wizard select.wide { width: min(640px, 100%); }
.wizard .radio { display: block; }
.form-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 10px 16px; width: 100%; }
.form-grid label { display: flex; flex-direction: column; gap: 4px; font-size: .8rem; color: var(--muted); }

@media (max-width: 720px) {
  .board { grid-template-columns: repeat(8, 85vw); scroll-snap-type: x mandatory; }
  .column { scroll-snap-align: start; }
  .topbar-right { margin-left: 0; }
}