:root {
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --text: #172b4d;
  --muted: #5e6c84;
  --faint: #8590a2;
  --col-bg: #ebecf0;
  --card-bg: #ffffff;
  --card-shadow: 0 1px 1px rgba(9, 30, 66, .25), 0 0 1px rgba(9, 30, 66, .31);
  --hover: rgba(9, 30, 66, .08);
  --primary: #0c66e4;
  --primary-hover: #0055cc;
  --danger: #c9372c;
  --success: #1f845a;
  --success-bg: #dcfff1;
  --modal-bg: #f4f5f7;
  --input-bd: #c1c7d0;
  --radius: 10px;
}
* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }
body { font-family: var(--font); color: var(--text); font-size: 14px; line-height: 1.4; background: #0b5cad; -webkit-text-size-adjust: 100%; }
button { font: inherit; color: inherit; cursor: pointer; }
input, textarea, select { font: inherit; color: var(--text); }
[hidden] { display: none !important; }

/* Фоны досок */
.bg-blue   { background: linear-gradient(135deg, #0b5cad 0%, #1d7fd6 100%); }
.bg-green  { background: linear-gradient(135deg, #216e4e 0%, #3a9e72 100%); }
.bg-orange { background: linear-gradient(135deg, #b65c02 0%, #e2852a 100%); }
.bg-purple { background: linear-gradient(135deg, #5e4db2 0%, #8a76de 100%); }
.bg-red    { background: linear-gradient(135deg, #ae2e24 0%, #d9534a 100%); }
.bg-teal   { background: linear-gradient(135deg, #1d6f80 0%, #3aa0b5 100%); }
.bg-gray   { background: linear-gradient(135deg, #44546f 0%, #758195 100%); }

/* Общие элементы */
.btn { border: 0; border-radius: 6px; padding: 7px 12px; background: var(--hover); font-weight: 500; }
.btn:hover { background: rgba(9, 30, 66, .14); }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-hover); }
.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { background: #ae2e24; }
.btn-ghost { background: transparent; }
.btn-ghost:hover { background: var(--hover); }
.btn-sm { padding: 4px 10px; font-size: 13px; }
.icon-btn { border: 0; background: transparent; width: 32px; height: 32px; border-radius: 6px; display: inline-grid; place-items: center; color: inherit; flex: none; }
.icon-btn:hover { background: var(--hover); }
.input, .textarea { width: 100%; border: 2px solid var(--input-bd); border-radius: 6px; padding: 7px 10px; background: #fff; outline: none; }
.input:focus, .textarea:focus { border-color: var(--primary); }
.textarea { resize: vertical; min-height: 80px; }
.row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.muted { color: var(--muted); }
.small { font-size: 12px; }

/* Вход */
.auth { min-height: 100vh; display: grid; place-items: center; padding: 16px; }
.auth-box { background: #fff; width: 100%; max-width: 380px; border-radius: 14px; padding: 28px 24px; box-shadow: 0 12px 40px rgba(0,0,0,.25); }
.auth-box h1 { margin: 0 0 4px; font-size: 22px; }
.auth-box p { margin: 0 0 18px; }
.auth-box label { display: block; font-weight: 600; font-size: 12px; color: var(--muted); margin: 12px 0 4px; }
.auth-box .btn { width: 100%; margin-top: 18px; padding: 10px; }
.form-error { color: var(--danger); margin-top: 10px; min-height: 1em; }

/* Шапка */
.topbar { height: 48px; display: flex; align-items: center; gap: 6px; padding: 0 8px; background: rgba(0, 0, 0, .24); color: #fff; position: sticky; left: 0; top: 0; z-index: 5; }
.topbar .icon-btn:hover, .topbar .btn-ghost:hover { background: rgba(255,255,255,.2); }
.topbar .btn-ghost { color: #fff; }
.brand { font-weight: 700; font-size: 16px; display: flex; align-items: center; gap: 8px; padding: 0 6px; white-space: nowrap; }
.brand img { width: 24px; height: 24px; }
.board-title { font-weight: 700; font-size: 17px; padding: 4px 8px; border-radius: 6px; border: 0; background: transparent; color: #fff; max-width: 50vw; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.board-title:hover { background: rgba(255,255,255,.2); }
.board-title-input { font-weight: 700; font-size: 17px; padding: 3px 7px; border-radius: 6px; border: 2px solid var(--primary); max-width: 60vw; }
.spacer { flex: 1; }
.save-state { font-size: 12px; opacity: .85; white-space: nowrap; }
.save-state.err { color: #ffd2cc; opacity: 1; font-weight: 600; }

/* Главная: список досок */
.home { min-height: 100vh; }
.home-inner { max-width: 1000px; margin: 0 auto; padding: 24px 16px 48px; }
.home h2 { color: #fff; margin: 0 0 14px; font-size: 18px; }
.boards-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(190px, 1fr)); gap: 12px; }
.board-tile { position: relative; height: 100px; border-radius: 10px; padding: 12px; color: #fff; font-weight: 700; font-size: 16px; box-shadow: 0 2px 6px rgba(0,0,0,.2); border: 0; text-align: left; display: flex; flex-direction: column; justify-content: space-between; overflow: hidden; }
.board-tile:hover { filter: brightness(1.08); }
.board-tile .meta { font-weight: 400; font-size: 12px; opacity: .9; }
.board-tile.new { background: rgba(255,255,255,.22); font-weight: 500; justify-content: center; align-items: center; font-size: 14px; box-shadow: none; }
.board-tile.new:hover { background: rgba(255,255,255,.32); }
.color-pick { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 10px; }
.color-pick button { width: 36px; height: 26px; border-radius: 5px; border: 2px solid transparent; }
.color-pick button.sel { border-color: var(--text); box-shadow: 0 0 0 2px #fff inset; }

/* Доска */
.board { height: 100vh; height: 100dvh; display: flex; flex-direction: column; }
.board-canvas { flex: 1; overflow-x: auto; overflow-y: hidden; padding: 12px 8px 8px; display: flex; align-items: flex-start; gap: 0; }
.columns { display: flex; align-items: flex-start; }
.column { width: 272px; flex: none; margin: 0 6px; background: var(--col-bg); border-radius: 12px; display: flex; flex-direction: column; max-height: calc(100dvh - 48px - 28px); box-shadow: 0 1px 1px rgba(9,30,66,.25); }
.col-head { display: flex; align-items: center; gap: 4px; padding: 8px 6px 4px 12px; cursor: grab; }
.col-name { flex: 1; font-weight: 600; padding: 4px 2px; word-break: break-word; cursor: pointer; }
.col-name-input { flex: 1; font-weight: 600; padding: 3px 6px; border: 2px solid var(--primary); border-radius: 6px; }
.col-count { font-size: 12px; color: var(--muted); }
.cards { padding: 4px 8px; overflow-y: auto; min-height: 8px; flex: 1 1 auto; display: flex; flex-direction: column; gap: 8px; }
.card { background: var(--card-bg); border-radius: 8px; box-shadow: var(--card-shadow); padding: 8px 10px; cursor: pointer; word-break: break-word; user-select: none; -webkit-user-select: none; }
.card:hover { box-shadow: 0 0 0 2px var(--primary); }
.card-title { white-space: pre-wrap; }
.badges { display: flex; gap: 6px; margin-top: 6px; flex-wrap: wrap; }
.badge { display: inline-flex; align-items: center; gap: 4px; font-size: 12px; color: var(--muted); padding: 1px 6px 1px 4px; border-radius: 4px; }
.badge.complete { background: var(--success); color: #fff; }
.badge svg { width: 14px; height: 14px; }
.col-foot { padding: 6px 8px 8px; }
.add-card-btn { width: 100%; text-align: left; border: 0; background: transparent; color: var(--muted); padding: 7px 8px; border-radius: 8px; font-weight: 500; }
.add-card-btn:hover { background: var(--hover); color: var(--text); }
.composer textarea { width: 100%; border: 0; border-radius: 8px; padding: 8px 10px; box-shadow: var(--card-shadow); resize: none; outline: none; min-height: 56px; }
.composer .row { margin-top: 8px; }
.add-column { width: 272px; flex: none; margin: 0 6px; }
.add-column > button { width: 100%; border: 0; border-radius: 12px; padding: 12px; background: rgba(255,255,255,.24); color: #fff; text-align: left; font-weight: 500; }
.add-column > button:hover { background: rgba(255,255,255,.34); }
.add-column .composer { background: var(--col-bg); border-radius: 12px; padding: 8px; }
.add-column .composer input { width: 100%; }
.canvas-end { width: 8px; flex: none; }

/* Перетаскивание */
.sortable-ghost { opacity: .35; }
.card.sortable-ghost { background: #dfe1e6; box-shadow: none; }
.sortable-chosen.card { transform: rotate(2deg); }
.sortable-drag { opacity: 1 !important; }
.dragging-active .card:hover { box-shadow: var(--card-shadow); }

/* Модальные окна */
.backdrop { position: fixed; inset: 0; background: rgba(9, 30, 66, .55); z-index: 50; overflow-y: auto; display: flex; justify-content: center; align-items: flex-start; padding: 48px 12px; }
.modal { background: var(--modal-bg); border-radius: 12px; width: 100%; max-width: 760px; position: relative; padding: 20px 20px 24px; box-shadow: 0 12px 40px rgba(0,0,0,.3); }
.modal.narrow { max-width: 420px; }
.modal-close { position: absolute; top: 10px; right: 10px; }
.modal h3 { margin: 0 0 8px; font-size: 15px; display: flex; align-items: center; gap: 8px; }
.modal-section { margin-top: 22px; }
.card-modal-title { font-size: 20px; font-weight: 700; width: calc(100% - 40px); border: 2px solid transparent; background: transparent; border-radius: 6px; padding: 4px 6px; resize: none; overflow: hidden; outline: none; line-height: 1.3; }
.card-modal-title:hover { background: var(--hover); }
.card-modal-title:focus { background: #fff; border-color: var(--primary); }
.in-column { margin: 2px 0 0 8px; }
.in-column select { border: 0; background: var(--hover); border-radius: 4px; padding: 2px 4px; font-weight: 600; }
.desc { background: #fff; }
.checklist { margin-top: 20px; }
.cl-head { display: flex; align-items: center; gap: 8px; }
.cl-title { flex: 1; font-weight: 600; font-size: 15px; padding: 4px 6px; border-radius: 6px; cursor: pointer; }
.cl-title:hover { background: var(--hover); }
.progress { display: flex; align-items: center; gap: 10px; margin: 8px 0 6px; }
.progress .pct { width: 34px; font-size: 12px; color: var(--muted); text-align: right; }
.progress .bar { flex: 1; height: 8px; background: rgba(9,30,66,.1); border-radius: 4px; overflow: hidden; }
.progress .fill { height: 100%; background: var(--primary); border-radius: 4px; transition: width .2s; }
.progress.complete .fill { background: var(--success); }
.items { list-style: none; margin: 0; padding: 0; }
.item { display: flex; align-items: flex-start; gap: 6px; padding: 3px 4px; border-radius: 6px; }
.item:hover { background: var(--hover); }
.item-handle { cursor: grab; color: var(--faint); padding: 5px 2px; touch-action: none; display: grid; place-items: center; }
.item-handle svg { width: 14px; height: 14px; }
.item input[type=checkbox] { width: 18px; height: 18px; margin: 4px 4px 0 0; accent-color: var(--success); cursor: pointer; flex: none; }
.item-text { flex: 1; padding: 3px 4px; white-space: pre-wrap; word-break: break-word; cursor: text; border-radius: 4px; }
.item.done .item-text { text-decoration: line-through; color: var(--muted); }
.item-del { opacity: 0; width: 28px; height: 28px; }
.item:hover .item-del, .item-del:focus { opacity: 1; }
@media (hover: none) { .item-del { opacity: .6; } }
.item-edit { flex: 1; }
.item-edit textarea { width: 100%; min-height: 40px; resize: none; }
.add-item { margin: 6px 0 0 30px; }
.add-item .input { padding: 6px 8px; }
.modal-actions { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 24px; padding-top: 14px; border-top: 1px solid rgba(9,30,66,.12); }
.meta-line { margin-top: 10px; }

/* Меню */
.popover { position: fixed; z-index: 60; background: #fff; border-radius: 10px; box-shadow: 0 8px 24px rgba(9,30,66,.25); padding: 6px; min-width: 200px; }
.popover button { display: block; width: 100%; text-align: left; border: 0; background: transparent; padding: 8px 10px; border-radius: 6px; }
.popover button:hover { background: var(--hover); }
.popover button.danger { color: var(--danger); }
.popover .sep { height: 1px; background: rgba(9,30,66,.12); margin: 4px 0; }
.popover .label { font-size: 12px; color: var(--muted); padding: 6px 10px 2px; }

/* Настройки */
.list { border-radius: 8px; background: #fff; overflow: hidden; }
.list-row { display: flex; align-items: center; gap: 8px; padding: 8px 12px; border-bottom: 1px solid rgba(9,30,66,.08); }
.list-row:last-child { border-bottom: 0; }
.list-row .grow { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; }
.form-grid { display: grid; gap: 8px; }
.tabs { display: flex; gap: 4px; margin: 4px 0 12px; flex-wrap: wrap; }
.tabs button { border: 0; background: transparent; padding: 6px 10px; border-radius: 6px; font-weight: 500; color: var(--muted); }
.tabs button.active { background: #fff; color: var(--text); box-shadow: var(--card-shadow); }
.backup-list { max-height: 260px; overflow-y: auto; }

/* Уведомления */
#toast { position: fixed; left: 50%; bottom: 20px; transform: translateX(-50%) translateY(20px); background: #172b4d; color: #fff; padding: 10px 16px; border-radius: 8px; opacity: 0; pointer-events: none; transition: .2s; z-index: 100; max-width: calc(100% - 32px); }
#toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
#toast.err { background: var(--danger); }

/* Телефон */
@media (max-width: 640px) {
  .brand span { display: none; }
  .board-canvas { scroll-snap-type: x mandatory; padding-left: 4px; }
  .column, .add-column { width: 86vw; scroll-snap-align: center; }
  .backdrop { padding: 0; }
  .modal { border-radius: 0; min-height: 100%; padding: 16px 14px 32px; }
  .card-modal-title { font-size: 18px; }
  .save-state { display: none; }
  .add-item { margin-left: 0; }
}