:root {
  --bg: #f6f7f5; --panel: #ffffff; --ink: #1c2421; --muted: #5d6b66; --line: #dfe5e2;
  --brand: #0f5c4c; --brand-ink: #ffffff; --accent: #f2c14e; --danger: #b3261e; --ok: #1f7a4d; --warn: #9a6700;
  --col: #eef2f0; --radius: 10px; --shadow: 0 1px 2px rgba(0,0,0,.06), 0 2px 8px rgba(0,0,0,.05);
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #111614; --panel: #1a211e; --ink: #e6ece9; --muted: #9aa8a2; --line: #2c3632; --brand: #3aa58b; --brand-ink: #06140f; --col: #161c19; --shadow: none; }
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--ink); font: 16px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
a { color: var(--brand); }
button, input, select, textarea { font: inherit; color: inherit; }
.topbar { position: sticky; top: 0; z-index: 5; display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 10px 16px; background: var(--panel); border-bottom: 1px solid var(--line); }
.brand { display: flex; align-items: center; gap: 8px; font-weight: 700; text-decoration: none; color: var(--ink); }
#nav { display: flex; gap: 6px; flex-wrap: wrap; }
#nav a { padding: 6px 10px; border-radius: 8px; text-decoration: none; color: var(--muted); font-size: 14px; }
#nav a.active { background: var(--col); color: var(--ink); }
main { padding: 16px; max-width: 1400px; margin: 0 auto; }
.banner { background: var(--accent); color: #2a2000; padding: 6px 16px; font-size: 14px; }
h1 { font-size: 22px; margin: 4px 0 12px; }
h2 { font-size: 17px; margin: 20px 0 8px; }
.muted { color: var(--muted); font-size: 14px; }
.panel { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px; box-shadow: var(--shadow); }
.stack > * + * { margin-top: 12px; }
.row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.grow { flex: 1 1 auto; }
label { display: block; font-size: 14px; color: var(--muted); margin-bottom: 4px; }
input, select, textarea { width: 100%; padding: 10px 12px; border: 1px solid var(--line); border-radius: 8px; background: var(--panel); }
textarea { min-height: 80px; }
input:focus-visible, select:focus-visible, textarea:focus-visible, button:focus-visible, a:focus-visible { outline: 2px solid var(--brand); outline-offset: 2px; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; padding: 9px 14px; border-radius: 8px; border: 1px solid var(--line); background: var(--panel); cursor: pointer; min-height: 40px; }
.btn.primary { background: var(--brand); border-color: var(--brand); color: var(--brand-ink); font-weight: 600; }
.btn.danger { color: var(--danger); border-color: currentColor; }
.btn.small { padding: 4px 10px; min-height: 32px; font-size: 14px; }
.btn[disabled] { opacity: .5; cursor: not-allowed; }
.board { display: grid; grid-auto-flow: column; grid-auto-columns: minmax(260px, 1fr); gap: 12px; overflow-x: auto; padding-bottom: 12px; }
.column { background: var(--col); border-radius: var(--radius); padding: 10px; min-height: 200px; }
.column.drop { outline: 2px dashed var(--brand); }
.column h3 { display: flex; justify-content: space-between; font-size: 14px; margin: 2px 4px 10px; text-transform: uppercase; letter-spacing: .03em; color: var(--muted); }
.card { display: block; background: var(--panel); border: 1px solid var(--line); border-radius: 8px; padding: 10px; margin-bottom: 8px; text-decoration: none; color: var(--ink); box-shadow: var(--shadow); }
.card[draggable="true"] { cursor: grab; }
.card .code { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 12px; color: var(--muted); }
.card .title { font-weight: 600; margin: 2px 0 6px; }
.meta { display: flex; gap: 6px; flex-wrap: wrap; font-size: 12px; color: var(--muted); }
.tag { display: inline-block; padding: 1px 8px; border-radius: 99px; background: var(--col); font-size: 12px; }
.tag.late, .tag.mendesak { background: #fde7e5; color: var(--danger); }
.tag.tinggi { background: #fff1d6; color: var(--warn); }
.tag.review { background: #fff1d6; color: var(--warn); }
.progress { height: 6px; background: var(--col); border-radius: 99px; overflow: hidden; margin-top: 6px; }
.progress > span { display: block; height: 100%; background: var(--brand); }
.shortcuts { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; margin-top: 10px; }
.shortcuts .btn { min-height: 56px; flex-direction: column; font-size: 13px; gap: 2px; }
.shortcuts .btn b { font-size: 20px; }
.history { list-style: none; padding: 0; margin: 0; }
.history li { padding: 10px 0; border-bottom: 1px solid var(--line); }
.history li.reverted { opacity: .55; text-decoration: line-through; }
.src { font-size: 11px; padding: 1px 6px; border-radius: 4px; background: var(--col); text-transform: uppercase; }
.src.wa { background: #dff5e6; color: #0b6b33; }
.src.pwa { background: #e3eefc; color: #1a4f8f; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { text-align: left; padding: 8px; border-bottom: 1px solid var(--line); vertical-align: top; }
#toast { position: fixed; left: 50%; bottom: 20px; transform: translateX(-50%); background: var(--ink); color: var(--bg); padding: 10px 16px; border-radius: 8px; max-width: calc(100% - 32px); box-shadow: var(--shadow); }
.narrow { max-width: 460px; margin: 24px auto; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.check { display: flex; gap: 8px; align-items: flex-start; color: var(--ink); }
.check input { width: auto; margin-top: 4px; }
@media (max-width: 640px) {
  main { padding: 12px; }
  .grid2 { grid-template-columns: 1fr; }
  .board { grid-auto-columns: 85%; }
  #nav a { padding: 6px 8px; }
}