:root {
  --bg: #15131a;
  --panel: #1f1c26;
  --card: #2a2633;
  --card-hover: #332e3e;
  --border: #3a3546;
  --text: #ece9f1;
  --muted: #a39cb0;
  --purple: #8927c9;
  --orange: #ffb347;
  --red: #c63637;
  --green: #5dc460;
  --blue: #5b8def;
  --radius: 8px;
}

* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }
body {
  background: var(--bg);
  color: var(--text);
  font: 14px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
.hidden { display: none !important; }
a { color: #c79bf0; }

.btn {
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--text);
  padding: 6px 12px;
  border-radius: 6px;
  cursor: pointer;
  font: inherit;
  text-decoration: none;
  display: inline-block;
  white-space: nowrap;
}
.btn:hover { background: var(--card-hover); }
.btn:disabled { opacity: .5; cursor: default; }
.btn-primary { background: var(--purple); border-color: var(--purple); color: #fff; }
.btn-primary:hover { background: #9d3ee0; }
.btn-danger { border-color: var(--red); color: #ff8b8c; }
.btn-success { border-color: var(--green); color: #8fe592; }
.btn-warn { border-color: var(--orange); color: var(--orange); }
.btn-ghost { background: transparent; border-color: transparent; }

input, select, textarea {
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 6px 8px;
  font: inherit;
}
textarea { width: 100%; resize: vertical; }
label { display: block; margin-bottom: 12px; color: var(--muted); }
label > input, label > select, label > textarea { display: block; width: 100%; margin-top: 4px; color: var(--text); }
label.check { display: inline-flex; align-items: center; gap: 4px; margin: 0; }
label.check input { width: auto; margin: 0; }

/* Login */
.login { min-height: 100%; display: grid; place-items: center; }
.login-box { background: var(--panel); padding: 32px; border-radius: 12px; text-align: center; border: 1px solid var(--border); }
.error { color: #ff8b8c; }

/* Topbar */
.topbar {
  display: flex; gap: 16px; align-items: center; flex-wrap: wrap;
  padding: 10px 16px; background: var(--panel); border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 5;
}
.brand { font-weight: 700; font-size: 16px; }
.live { color: var(--muted); font-size: 12px; }
.live.on { color: var(--green); }
.live.off { color: var(--red); }
.filters { display: flex; gap: 10px; align-items: center; flex: 1; flex-wrap: wrap; }
.filters input[type=search] { min-width: 220px; }
.user { display: flex; gap: 8px; align-items: center; }
.avatar { width: 28px; height: 28px; border-radius: 50%; }

/* Board */
.board {
  display: flex; gap: 12px; padding: 16px; overflow-x: auto;
  align-items: flex-start; height: calc(100% - 58px);
}
.column {
  background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius);
  min-width: 290px; width: 290px; max-height: 100%; display: flex; flex-direction: column;
}
.column-head {
  padding: 10px 12px; font-weight: 600; display: flex; justify-content: space-between;
  border-bottom: 1px solid var(--border); border-top: 3px solid var(--col, var(--purple));
  border-radius: var(--radius) var(--radius) 0 0;
}
.column-head .count { color: var(--muted); font-weight: 400; }
.column-body { padding: 8px; overflow-y: auto; min-height: 60px; flex: 1; }
.column.drop-ok .column-body { outline: 2px dashed var(--purple); outline-offset: -4px; }

.card {
  background: var(--card); border: 1px solid var(--border); border-left: 3px solid var(--col, var(--purple));
  border-radius: 6px; padding: 8px 10px; margin-bottom: 8px; cursor: pointer;
}
.card:hover { background: var(--card-hover); }
.card[draggable=true] { cursor: grab; }
.card.dragging { opacity: .4; }
.card-top { display: flex; justify-content: space-between; gap: 6px; font-size: 12px; color: var(--muted); }
.card-desc { margin: 6px 0; word-break: break-word; display: -webkit-box; -webkit-line-clamp: 4; line-clamp: 4; -webkit-box-orient: vertical; overflow: hidden; }
.card-meta { display: flex; justify-content: space-between; gap: 6px; font-size: 12px; color: var(--muted); }

.badge { display: inline-block; padding: 1px 6px; border-radius: 10px; font-size: 11px; background: var(--bg); border: 1px solid var(--border); color: var(--text); }
.badge.st-0 { border-color: var(--purple); }
.badge.st-1, .badge.st-4 { border-color: var(--orange); color: var(--orange); }
.badge.st-2, .badge.st-5 { border-color: var(--red); color: #ff8b8c; }
.badge.st-3 { border-color: var(--green); color: #8fe592; }

/* Modals */
.modal {
  background: var(--panel); color: var(--text); border: 1px solid var(--border);
  border-radius: 12px; padding: 0; width: min(760px, 95vw); max-height: 90vh;
}
.modal.small { width: min(520px, 95vw); }
.modal::backdrop { background: rgba(0, 0, 0, .6); }
.modal-head { display: flex; justify-content: space-between; align-items: center; padding: 12px 16px; border-bottom: 1px solid var(--border); }
.modal-head h2 { margin: 0; font-size: 17px; }
.modal-body { padding: 16px; overflow-y: auto; }
.modal-foot { display: flex; justify-content: flex-end; gap: 8px; padding: 12px 16px; border-top: 1px solid var(--border); }
.hint { color: var(--muted); font-size: 12px; margin: 0; }

.detail-grid { display: grid; grid-template-columns: 120px 1fr; gap: 6px 12px; margin-bottom: 14px; }
.detail-grid dt { color: var(--muted); }
.detail-grid dd { margin: 0; word-break: break-word; white-space: pre-wrap; }
.actions { display: flex; gap: 6px; flex-wrap: wrap; margin: 12px 0 18px; }

.timeline { list-style: none; padding: 0; margin: 0 0 12px; }
.timeline li { padding: 8px 10px; border-radius: 6px; margin-bottom: 6px; background: var(--card); }
.timeline li.event { background: transparent; color: var(--muted); font-size: 12px; padding: 2px 10px; }
.timeline .who { font-weight: 600; }
.timeline .when { color: var(--muted); font-size: 12px; margin-left: 6px; }
.timeline .body { white-space: pre-wrap; word-break: break-word; margin-top: 2px; }
.comment-box { display: flex; gap: 8px; align-items: flex-end; }

.toasts { position: fixed; bottom: 16px; right: 16px; display: flex; flex-direction: column; gap: 8px; z-index: 50; }
.toast { background: var(--card); border: 1px solid var(--border); border-left: 4px solid var(--green); padding: 10px 14px; border-radius: 6px; max-width: 360px; }
.toast.err { border-left-color: var(--red); }
.toast.warn { border-left-color: var(--orange); }

@media (max-width: 700px) {
  .board { flex-direction: column; height: auto; }
  .column { width: 100%; min-width: 0; }
}