* { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #fafafa;
  --col-bg: #ffffff;
  --col-border: #e6e8ea;
  --card-bg: #ffffff;
  --card-border: #e6e8ea;
  --text: #1c1e21;
  --muted: #8a8f98;
  --primary: #1d7afc;
  --danger: #d13c3c;
  --ok: #22a06b;
  --radius: 10px;
}

html, body { height: 100%; }
body {
  font-family: -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 13px;
}

/* ---------- Шапка ---------- */
header {
  position: sticky; top: 0; z-index: 20;
  background: var(--bg);
  padding: 14px 18px 10px;
}
.title-row { display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap; }
.title-row h1 { font-size: 19px; font-weight: 800; }
.stamp { font-size: 11.5px; color: var(--muted); }
.spacer { flex: 1; }

.tabs { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 10px; }
.tab {
  border: 1px solid #dcdfe4; background: #fff; cursor: pointer;
  padding: 5px 12px; border-radius: 999px;
  font-size: 12.5px; color: var(--text);
  transition: background .15s;
}
.tab b { font-weight: 600; color: var(--muted); margin-left: 2px; }
.tab:hover { background: #f0f2f5; }
.tab.active { background: #17191c; border-color: #17191c; color: #fff; }
.tab.active b { color: #b9bdc4; }

/* ---------- Кнопки ---------- */
.btn {
  border: 1px solid #dcdfe4; background: #fff; color: var(--text);
  padding: 6px 12px; border-radius: 8px; cursor: pointer; font-size: 12.5px;
  transition: background .15s;
}
.btn:hover { background: #f4f5f7; }
.btn.primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn.primary:hover { background: #1668d9; }
.btn.danger { color: var(--danger); border-color: #f0c8c8; }
.btn.danger:hover { background: #fdf2f2; }
.btn.ghost { border-color: transparent; color: var(--muted); }
.btn.armed { background: var(--danger) !important; color: #fff !important; border-color: var(--danger) !important; }

.icon {
  border: 1px solid #e3e5e8; background: #f6f7f8; cursor: pointer;
  width: 22px; height: 20px; border-radius: 5px;
  font-size: 9px; color: #7a808a; line-height: 1;
  display: inline-flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.icon:hover { background: #eceef0; color: var(--text); }
.icon.danger:hover { background: #fdf2f2; color: var(--danger); border-color: #f0c8c8; }
.icon.ok:hover { background: #ecfdf3; color: var(--ok); border-color: #c3e8d4; }
.icon.ok.on { background: var(--ok); color: #fff; border-color: var(--ok); }
.icon.flag:hover { background: #fdf2f2; color: var(--danger); border-color: #f0c8c8; }
.icon.flag.on { background: var(--danger); color: #fff; border-color: var(--danger); }
.icon.armed {
  background: var(--danger) !important; color: #fff !important; border-color: var(--danger) !important;
  width: auto !important; padding: 0 8px; font-size: 10.5px; font-weight: 600;
}

/* ---------- Колонки ---------- */
main { padding: 4px 18px 40px; }
.cols {
  display: flex; gap: 12px; align-items: flex-start;
  overflow-x: auto; padding-bottom: 10px;
  scrollbar-width: none;             /* прокрутка — верхним скроллбаром */
}
.cols::-webkit-scrollbar { display: none; }

.hscroll {
  position: sticky; z-index: 15;
  overflow-x: auto; overflow-y: hidden;
  height: 14px; margin-bottom: 6px;
  background: var(--bg);
}
.hscroll > div { height: 1px; }
.hscroll::-webkit-scrollbar { height: 10px; }
.hscroll::-webkit-scrollbar-thumb { background: #c6cad0; border-radius: 6px; }
.hscroll::-webkit-scrollbar-thumb:hover { background: #aeb3ba; }
.hscroll::-webkit-scrollbar-track { background: #eceef0; border-radius: 6px; }

.col {
  width: 258px; flex-shrink: 0;
  background: var(--col-bg);
  border: 1px solid var(--col-border);
  border-top: 3px solid #ccc;
  border-radius: var(--radius);
  padding: 8px;
}
.col-head {
  display: flex; align-items: center; gap: 6px;
  margin-bottom: 8px; padding: 2px 3px 0;
  position: relative;
}
.badge {
  font-size: 9.5px; font-weight: 700; letter-spacing: .06em;
  text-transform: uppercase; flex-shrink: 0;
}
.col-title {
  font-weight: 700; font-size: 13.5px; cursor: pointer;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
  border-radius: 4px; padding: 1px 3px; margin-left: -3px;
  flex: 1; min-width: 0;
}
.col-title:hover { background: #f0f2f5; }
.col-btns {
  display: flex; gap: 2px;
  position: absolute; right: 32px; top: 0;
  background: #fff; padding: 1px 3px; border-radius: 6px;
  box-shadow: 0 0 6px 4px #fff;
  opacity: 0; pointer-events: none; transition: opacity .15s;
}
.col:hover .col-btns { opacity: 1; pointer-events: auto; }
.col-count {
  font-size: 11px; color: var(--muted);
  background: #f0f2f5; border-radius: 999px;
  padding: 1px 7px; flex-shrink: 0; font-weight: 600;
}
.col-rename-input {
  flex: 1; min-width: 0; font-weight: 700; font-size: 13.5px;
  border: 2px solid var(--primary); border-radius: 5px; padding: 1px 5px;
  font-family: inherit;
}

.tasks { display: flex; flex-direction: column; gap: 7px; min-height: 6px; }

/* ---------- Карточки ---------- */
.card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 8px;
  padding: 7px 9px 6px;
  cursor: pointer;
  transition: box-shadow .15s, border-color .15s;
}
.card:hover { border-color: #cfd3d8; box-shadow: 0 1px 4px rgba(0, 0, 0, .07); }
.card.dragging { opacity: .45; }
.card.done { opacity: .55; }
.card.done .card-title { text-decoration: line-through; }
.card.red { background: #fdeeee; border-color: #f0c2c0; }
.card.red:hover { border-color: #e5a4a1; }
.card.red .card-title { color: #a1221a; }

.card-top { display: flex; align-items: flex-start; gap: 8px; }
.card-title { font-weight: 600; font-size: 13px; line-height: 1.3; word-break: break-word; flex: 1; }
.due {
  font-size: 11px; font-weight: 600; flex-shrink: 0;
  color: var(--primary);
}
.due.soon { color: #e56910; }
.due.overdue { color: var(--danger); }

.card-desc {
  margin-top: 3px; font-size: 12px; color: var(--muted); line-height: 1.35;
  word-break: break-word;
  display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden;
}

.card-ctrl {
  display: flex; align-items: center; gap: 4px; flex-wrap: wrap;
  margin-top: 7px;
}
.tnum { margin-left: auto; font-size: 10px; color: #c0c4ca; }

/* ---------- Добавление ---------- */
.add-task {
  width: 100%; margin-top: 7px;
  border: 1px dashed #d5d8dc; background: transparent; cursor: pointer;
  padding: 6px; border-radius: 7px; text-align: center;
  color: var(--muted); font-size: 12px;
}
.add-task:hover { background: #f4f5f7; color: var(--text); }

.add-col {
  width: 258px; flex-shrink: 0;
  border: 1px dashed #d5d8dc; cursor: pointer;
  background: transparent;
  border-radius: var(--radius);
  padding: 12px; text-align: center;
  color: var(--muted); font-size: 12.5px;
}
.add-col:hover { background: #f4f5f7; color: var(--text); }

.add-col-form { border-top: 3px solid #ccc; }
.add-col-form input, .add-col-form select {
  width: 100%; padding: 7px 9px; margin-bottom: 7px;
  border: 1px solid #dcdfe4; border-radius: 6px;
  font-size: 13px; font-family: inherit; background: #fff;
}
.add-col-form input:focus, .add-col-form select:focus { outline: none; border-color: var(--primary); }
.form-btns { display: flex; gap: 6px; }

/* ---------- Модалки ---------- */
.overlay {
  position: fixed; inset: 0; z-index: 50;
  background: rgba(20, 24, 30, .4);
  display: flex; align-items: flex-start; justify-content: center;
  padding: 10vh 16px 16px;
}
.modal {
  background: #fff; border-radius: 14px;
  width: 100%; max-width: 440px;
  padding: 22px;
  box-shadow: 0 8px 30px rgba(0, 0, 0, .22);
  max-height: 80vh; overflow-y: auto;
}
.modal.wide { max-width: 620px; }
.modal h3 { margin-bottom: 14px; font-size: 16px; }
.modal label {
  display: block; margin-bottom: 11px;
  font-size: 12px; color: var(--muted); font-weight: 500;
}
.modal input, .modal textarea, .modal select {
  display: block; width: 100%; margin-top: 4px;
  padding: 7px 10px;
  border: 1px solid #dcdfe4; border-radius: 8px;
  font-size: 13.5px; font-family: inherit; color: var(--text); background: #fff;
  resize: vertical;
}
.modal input:focus, .modal textarea:focus, .modal select:focus { outline: none; border-color: var(--primary); }
.modal-btns { display: flex; gap: 8px; margin-top: 14px; align-items: center; }
.hint { font-size: 12px; color: var(--muted); margin-bottom: 14px; }

.dot { width: 9px; height: 9px; border-radius: 50%; display: inline-block; flex-shrink: 0; }

.share-row {
  display: flex; align-items: center; gap: 9px;
  margin-bottom: 9px;
}
.share-row b { font-size: 12.5px; white-space: nowrap; min-width: 120px; }
.share-row input {
  flex: 1; margin-top: 0 !important;
  font-size: 11.5px; color: var(--muted);
  padding: 6px 8px !important;
}
.share-row .btn { flex-shrink: 0; white-space: nowrap; }
.share-row.admin { border-top: 1px solid #eee; padding-top: 12px; margin-top: 12px; }

/* ---------- Вход ---------- */
.login-wrap {
  min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  padding: 16px;
}
.login-card {
  background: #fff; border: 1px solid var(--col-border); border-radius: 16px;
  padding: 36px 32px;
  width: 100%; max-width: 360px;
  text-align: center;
  box-shadow: 0 4px 20px rgba(0, 0, 0, .06);
}
.login-logo { font-size: 40px; margin-bottom: 8px; }
.login-card h1 { font-size: 20px; margin-bottom: 6px; }
.login-card p { color: var(--muted); font-size: 13px; margin-bottom: 18px; }
.login-card input {
  width: 100%; padding: 10px 12px;
  border: 1px solid #dcdfe4; border-radius: 8px;
  font-size: 14px; margin-bottom: 12px; font-family: inherit;
  text-align: center;
}
.login-card input:focus { outline: none; border-color: var(--primary); }
.login-card .btn { width: 100%; padding: 10px; font-size: 14px; }
.err { color: var(--danger); font-size: 13px; margin-top: 10px; min-height: 16px; }

/* ---------- Тост ---------- */
.toast {
  position: fixed; bottom: 22px; left: 50%; transform: translateX(-50%);
  background: #17191c; color: #fff;
  padding: 10px 18px; border-radius: 10px;
  font-size: 13px; z-index: 100;
  box-shadow: 0 4px 14px rgba(0, 0, 0, .3);
  animation: toast-in .2s ease-out;
}
@keyframes toast-in {
  from { opacity: 0; transform: translateX(-50%) translateY(8px); }
  to { opacity: 1; transform: translateX(-50%) translateY(0); }
}

/* ---------- Мобильные ---------- */
@media (max-width: 640px) {
  header { padding: 10px 12px 8px; }
  main { padding: 4px 12px 30px; }
  .col, .add-col { width: 240px; }
  .share-row b { min-width: 90px; }
}

/* Тач-экраны: hover нет — кнопки видны всегда, увеличены под палец */
@media (hover: none) {
  .col-btns {
    opacity: 1; pointer-events: auto;
    position: static; background: transparent;
    box-shadow: none; padding: 0;
  }
  .col-title { flex: 1 1 100%; order: -1; }
  .col-head { flex-wrap: wrap; }
  .icon { width: 30px; height: 26px; font-size: 11px; }
}