:root {
  --bg: #f4f5f7;
  --panel: #ebecf0;
  --card: #ffffff;
  --text: #1d2125;
  --muted: #626f86;
  --border: #d5d8de;
  --accent: #4f7cff;
  --accent-text: #ffffff;
  --success: #1f845a;
  --danger: #c9372c;
  --warn-bg: #fff4d6;
  --p1: #8f9bb3;
  --p2: #e2a03f;
  --p3: #e5484d;
  --shadow: 0 1px 2px rgba(9, 30, 66, 0.15);
  --sub-bg: #e3edff;
  --sub-card: #f3f7ff;
  --sub-border: #9db8ec;
  --task-border: #a9b4c4;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #1d2125;
    --panel: #22272b;
    --card: #2c333a;
    --text: #dee4ea;
    --muted: #8c9bab;
    --border: #3b444c;
    --accent: #6b93ff;
    --warn-bg: #4a3b12;
    --sub-bg: rgba(79, 124, 255, 0.16);
    --sub-card: rgba(79, 124, 255, 0.12);
    --sub-border: rgba(120, 160, 255, 0.55);
    --task-border: #5b6672;
    --shadow: 0 1px 2px rgba(0, 0, 0, 0.4);
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }
body {
  background: var(--bg);
  color: var(--text);
  font: 14px/1.4 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
#app { display: flex; flex-direction: column; height: 100vh; }
a { color: var(--accent); }
.muted { color: var(--muted); }
.small { font-size: 12px; }

button, .button {
  font: inherit;
  padding: 5px 10px;
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--text);
  border-radius: 6px;
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
}
button:hover, .button:hover { border-color: var(--accent); }
button:disabled { opacity: 0.6; cursor: default; }
button.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-text); }
button.success { background: var(--success); border-color: var(--success); color: #fff; }
button.danger { color: var(--danger); }
button.icon {
  border: none;
  background: transparent;
  padding: 2px 6px;
  color: var(--muted);
  font-size: 15px;
  line-height: 1;
}
button.icon:hover { color: var(--text); background: rgba(127, 127, 127, 0.15); }
button.icon.danger:hover { color: var(--danger); }
input, textarea, select {
  font: inherit;
  color: var(--text);
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 6px 8px;
}
input:focus, textarea:focus, select:focus { outline: 2px solid var(--accent); outline-offset: -1px; }
textarea { width: 100%; resize: vertical; }

.row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; margin: 8px 0; }
.row.end { justify-content: flex-end; margin-top: 16px; }
.warn { background: var(--warn-bg); padding: 8px 10px; border-radius: 6px; margin: 8px 0; }

/* Top bar */
.topbar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 16px;
  background: var(--card);
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
}
.brand { font-weight: 700; }
.topbar nav { display: flex; gap: 4px; flex-wrap: wrap; }
.topbar nav a { padding: 4px 10px; border-radius: 6px; text-decoration: none; color: var(--muted); }
.topbar nav a.active { background: var(--panel); color: var(--text); font-weight: 600; }
.spacer { flex: 1; }
.toggle { color: var(--muted); user-select: none; }
.net { font-size: 12px; }
.net.ok { color: var(--success); }
.net.bad { color: var(--danger); }

main { flex: 1; min-height: 0; overflow: auto; }

/* Board */
.board {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 12px 16px;
  height: 100%;
  overflow-x: auto;
}
.board .empty { margin: 40px auto; max-width: 480px; text-align: center; }
.column {
  flex: 0 0 300px;
  max-height: 100%;
  display: flex;
  flex-direction: column;
  background: var(--panel);
  border-radius: 10px;
}
.col-head { padding: 10px 10px 6px; cursor: grab; }
.col-title { display: flex; align-items: center; gap: 6px; }
.col-name { font-weight: 600; flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.col-head .pin { font-size: 12px; }
.col-head .resume { color: var(--success); font-size: 14px; }
.topbar .new-project { padding: 3px 10px; }
.col-path { font-size: 11px; color: var(--muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; direction: rtl; text-align: left; }
.badge { background: var(--card); border-radius: 10px; padding: 0 8px; font-size: 12px; color: var(--muted); }
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--border); flex: none; }
.dot.on { background: var(--success); }
.col-head .add { font-size: 20px; color: var(--accent); }
.quick-add { display: flex; gap: 4px; align-items: center; margin: 0 10px 8px; }
.quick-add input { flex: 1; min-width: 0; }
.quick-add button.primary { padding: 5px 10px; }
.quick-add.sub { margin: 4px 0 4px 24px; }
.col-head .add.has-draft { position: relative; }
.col-head .add.has-draft::after { content: ''; position: absolute; top: 1px; right: 2px; width: 6px; height: 6px; border-radius: 50%; background: var(--p2); }
.col-body { overflow-y: auto; padding: 0 8px 8px; min-height: 40px; }

.task-list { list-style: none; margin: 0; padding: 0; }
.task-list.root { min-height: 30px; }
.task-list.sub { padding-left: 18px; }
/* A task with subtasks is one card: the task on top, its subtasks below on a light-blue panel */
.task.has-subs { background: var(--card); border-radius: 8px; box-shadow: var(--shadow); border: 1px solid var(--task-border); }
.task.has-subs > .card { box-shadow: none; outline: none; border-left-color: transparent; border-radius: 8px 8px 0 0; }
/* Status and priority of a task with subtasks are drawn on the whole frame, so the subtasks are visibly inside it */
.task.has-subs.status-doing { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent); }
.task.has-subs.prio-1 { border-left: 3px solid var(--p1); }
.task.has-subs.prio-2 { border-left: 3px solid var(--p2); }
.task.has-subs.prio-3 { border-left: 3px solid var(--p3); }
.task.has-subs > .task-list.sub { margin: 0 6px 6px; padding: 2px 6px 6px; background: var(--sub-bg); border-radius: 6px; }
/* Each subtask has its own frame so several subtasks are clearly separated */
.task-list.sub .card { background: var(--sub-card); box-shadow: none; border: 1px solid var(--sub-border); border-left-width: 3px; border-radius: 6px; padding: 6px 8px; }
.task-list.sub .prio-1 > .card { border-left-color: var(--p1); }
.task-list.sub .prio-2 > .card { border-left-color: var(--p2); }
.task-list.sub .prio-3 > .card { border-left-color: var(--p3); }
.task-list.sub .task { margin-top: 6px; }
.task-list.sub .task.has-subs { background: var(--sub-card); box-shadow: none; }
body.dragging .task-list.sub { min-height: 14px; border-left: 2px dashed var(--border); margin-left: 4px; }
.task { margin: 6px 0 0; }
.card {
  display: flex;
  gap: 6px;
  align-items: flex-start;
  background: var(--card);
  border-radius: 8px;
  padding: 8px;
  box-shadow: var(--shadow);
  border-left: 3px solid transparent;
  cursor: grab;
}
.prio-1 > .card { border-left-color: var(--p1); }
.prio-2 > .card { border-left-color: var(--p2); }
.prio-3 > .card { border-left-color: var(--p3); }
.status-doing > .card { outline: 1px solid var(--accent); }
.status-done > .card { opacity: 0.6; }
.status-done > .card .card-title { text-decoration: line-through; }
.done-box { margin-top: 2px; cursor: pointer; }
.card-main { flex: 1; min-width: 0; cursor: pointer; }
.card-title { white-space: normal; overflow-wrap: anywhere; word-break: normal; hyphens: auto; }
.card-notes { font-size: 12px; color: var(--muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.card-meta { display: flex; gap: 8px; font-size: 12px; color: var(--muted); margin-top: 2px; flex-wrap: wrap; }
.card-meta:empty { display: none; }
.card-actions { display: flex; flex-direction: column; align-items: center; }
/* ✎ / 🗑 appear on hover in the top-right corner of a card */
.card { position: relative; }
.card-tools { position: absolute; top: 4px; right: 30px; display: none; gap: 2px; background: var(--card); border-radius: 6px; box-shadow: var(--shadow); padding: 1px; z-index: 1; }
.card:hover > .card-tools, .card:focus-within > .card-tools { display: flex; }
@media (hover: none) { .card-tools { display: flex; position: static; box-shadow: none; background: none; } }
.card-tools .icon { font-size: 13px; padding: 2px 5px; }
.title-edit { width: 100%; font: inherit; padding: 2px 4px; resize: vertical; }
.sub-list li .icon { font-size: 12px; padding: 1px 4px; }
.prio.p1 { color: var(--p1); }
.prio.p2 { color: var(--p2); }
.prio.p3 { color: var(--p3); }
.timer.running { color: var(--accent); font-weight: 600; }
button.icon.play { color: var(--success); }
button.icon.pause { color: var(--accent); }
/* Drag & drop: dashed phantom stays in place, a tilted copy follows the mouse, neighbours slide aside */
.drag-ghost { border-radius: 8px; outline: 2px dashed var(--accent); outline-offset: -2px; background: rgba(79, 124, 255, 0.08) !important; }
.drag-ghost > * { visibility: hidden; }
.column.drag-ghost { border-radius: 10px; }
.drag-lifted {
  opacity: 1 !important;
  rotate: 3deg;
  box-shadow: 0 16px 32px rgba(9, 30, 66, 0.3);
  cursor: grabbing;
  z-index: 1000;
}
.task.drag-lifted { list-style: none; }
.task.drag-lifted > .card { box-shadow: none; }
.column.drag-lifted { rotate: 2deg; border-radius: 10px; }
body.dragging, body.dragging-col { cursor: grabbing; user-select: none; }
.col-head:active { cursor: grabbing; }

/* Modal */
#modal-root {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(9, 30, 66, 0.45);
  z-index: 10;
  padding: 40px 16px;
  overflow-y: auto;
}
#modal-root.open { display: block; }
.modal {
  background: var(--card);
  max-width: 680px;
  margin: 0 auto;
  border-radius: 10px;
  padding: 20px;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
}
.modal h4 { margin: 18px 0 6px; }
.modal-crumbs { font-size: 12px; color: var(--muted); }
.title-input { display: block; width: 100%; font-size: 18px; font-weight: 600; line-height: 1.3; border-color: transparent; padding: 4px 6px 4px 0; background: transparent; resize: none; overflow: hidden; overflow-wrap: anywhere; }
.title-input:hover { border-color: var(--border); }
.modal input:not([type=checkbox]) { width: 100%; }
.modal .row input:not([type=checkbox]) { width: auto; }
label.block { display: block; margin: 12px 0 4px; color: var(--muted); }
.timer.big { font-size: 16px; margin-left: auto; }
.time-list, .comments, .sub-list { list-style: none; padding: 0; margin: 0; }
.time-list li { padding: 2px 0; }
.comments li { padding: 6px 0; border-bottom: 1px solid var(--border); }
.comment-body { white-space: pre-wrap; word-wrap: break-word; }
.sub-list li { display: flex; gap: 6px; align-items: center; padding: 2px 0; }
.new-comment { margin-top: 8px; }
.report { border-top: 1px solid var(--border); margin-top: 16px; padding-top: 8px; }
.md h3, .md h4, .md h5 { margin: 12px 0 4px; }
.md p { margin: 4px 0; }

/* All projects */
.projects-view { padding: 12px 16px; }
.projects-view h2 { margin: 0 12px 0 0; }
table.projects { width: 100%; border-collapse: collapse; background: var(--card); border-radius: 8px; overflow: hidden; }
table.projects th, table.projects td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--border); vertical-align: top; }
table.projects th { color: var(--muted); font-weight: 500; font-size: 12px; }
table.projects tr.archived { opacity: 0.6; }
td.actions { display: flex; gap: 4px; flex-wrap: wrap; }
.pill { font-size: 12px; padding: 1px 8px; border-radius: 10px; background: var(--panel); color: var(--muted); }
.pill.on { background: var(--success); color: #fff; }
.pill.done { background: var(--accent); color: var(--accent-text); }

/* Close-project confirmation and «Выполненные» */
.confirm-modal h3 { margin-top: 0; }
.confirm-modal ul { padding-left: 18px; line-height: 1.6; }
.warn-text { color: var(--p2); }
.completed-view { padding: 12px 16px; }
.completed-view h2 { margin: 0 0 12px; }
.completed-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 12px; }
.completed-card { background: var(--card); border-radius: 10px; padding: 12px 14px; box-shadow: var(--shadow); display: flex; flex-direction: column; gap: 6px; }
.completed-card .row { margin: 4px 0 0; }
.completed-card .col-name { flex: 1; white-space: normal; }

/* Login */
.login { max-width: 360px; margin: 15vh auto; padding: 24px; background: var(--card); border-radius: 10px; display: flex; flex-direction: column; gap: 10px; box-shadow: var(--shadow); }
.login h1 { font-size: 20px; margin: 0; }

#toast {
  position: fixed;
  bottom: 16px;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: var(--text);
  color: var(--bg);
  padding: 8px 14px;
  border-radius: 8px;
  transition: transform 0.2s;
  z-index: 20;
  max-width: calc(100vw - 32px);
}
#toast.show { transform: translateX(-50%) translateY(0); }
#toast.error { background: var(--danger); color: #fff; }

@media (max-width: 600px) {
  .board { padding: 8px; }
  .column { flex-basis: 85vw; }
  table.projects thead { display: none; }
  table.projects tr, table.projects td { display: block; }
}

/* Claude Code marker on columns, paused tasks */
.claude { font-size: 11px; padding: 0 6px; border-radius: 8px; border: 1px solid var(--border); color: var(--muted); }
.claude.on { background: #d97757; border-color: #d97757; color: #fff; }
.paused { color: var(--p2); }