/* ══════════════════════════════════════════════════════════════
   Kanban Board
══════════════════════════════════════════════════════════════ */

/* ── Page header ─────────────────────────────────────────────── */
.kb-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.1rem;
  flex-wrap: wrap;
}
.kb-header h1 { margin: 0; font-size: 1.3rem; }

/* ── Board container ─────────────────────────────────────────── */
.kb-board {
  display: flex;
  gap: .9rem;
  overflow-x: auto;
  align-items: flex-start;
  padding-bottom: 1.5rem;
  min-height: calc(100vh - 200px);
}
.kb-board::-webkit-scrollbar { height: 6px; }
.kb-board::-webkit-scrollbar-track { background: transparent; }
.kb-board::-webkit-scrollbar-thumb { background: var(--db-border); border-radius: 3px; }

/* ── Column ──────────────────────────────────────────────────── */
.kb-column {
  background: var(--db-card, #16181e);
  border: 1px solid var(--db-border);
  border-radius: 10px;
  box-shadow: 0 2px 8px rgba(0,0,0,.3);
  width: 290px;
  min-width: 290px;
  display: flex;
  flex-direction: column;
  gap: 0;
  user-select: none;
}
.kb-column--ghost { opacity: .35; border: 2px dashed var(--db-border); }

.kb-col-header {
  display: flex;
  align-items: center;
  gap: .5rem;
  padding: .7rem .85rem;
  border-bottom: 1px solid var(--db-border);
  cursor: grab;
  border-radius: 10px 10px 0 0;
  background: rgba(255,255,255,.04);
}
.kb-col-header:active { cursor: grabbing; }
.kb-col-dot {
  width: 10px; height: 10px; border-radius: 50%;
  background: var(--col-color, #00d4ff);
  flex-shrink: 0;
  box-shadow: 0 0 6px var(--col-color, #00d4ff);
}
.kb-col-name {
  font-size: .85rem;
  font-weight: 700;
  flex: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  color: var(--db-text);
}
.kb-col-count {
  font-size: .72rem;
  font-weight: 700;
  background: var(--db-bg);
  border: 1px solid var(--db-border);
  color: var(--db-text-dim);
  border-radius: 10px;
  box-shadow: 0 2px 8px rgba(0,0,0,.3);
  padding: 1px 7px;
  flex-shrink: 0;
  box-shadow: 0 0 6px var(--col-color, #00d4ff);
}
.kb-col-actions {
  display: flex;
  gap: .2rem;
  opacity: 0;
  transition: opacity .15s;
}
.kb-col-header:hover .kb-col-actions { opacity: 1; }

/* ── Cards zone ──────────────────────────────────────────────── */
.kb-cards {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: .55rem;
  padding: .7rem .7rem .4rem;
  min-height: 48px;
}

/* ── Card ────────────────────────────────────────────────────── */
.kb-card {
  background: var(--db-bg);
  border: 1px solid var(--db-border);
  border-radius: 7px;
  padding: .65rem .75rem;
  cursor: pointer;
  transition: border-color .15s, transform .12s;
  display: flex;
  flex-direction: column;
  gap: .35rem;
}
.kb-card:hover { border-color: rgba(0,212,255,.35); transform: translateY(-1px); }
.kb-card--ghost { opacity: .35; border: 2px dashed var(--db-border); background: transparent; }
.kb-card--drag  { opacity: .9; box-shadow: 0 8px 24px rgba(0,0,0,.5); transform: rotate(1.5deg); }

.kb-card-top {
  display: flex;
  gap: .35rem;
  flex-wrap: wrap;
  align-items: center;
}

/* Priority badges */
.kb-priority {
  font-size: .63rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: .8px;
  padding: 2px 7px;
  border-radius: 4px;
}
.kb-priority--low      { background: rgba(0,210,100,.14); color: #00d264; }
.kb-priority--medium   { background: rgba(255,165,0,.14);  color: #ffa500; }
.kb-priority--high     { background: rgba(255,59,92,.14);  color: #ff3b5c; }
.kb-priority--critical { background: rgba(255,0,0,.18);    color: #ff4444; }

/* Tag pills */
.kb-tag {
  font-size: .64rem;
  font-weight: 600;
  background: rgba(88,101,242,.14);
  color: #818cf8;
  border: 1px solid rgba(88,101,242,.25);
  border-radius: 4px;
  padding: 1px 6px;
  white-space: nowrap;
}

.kb-card-title {
  font-size: .88rem;
  font-weight: 600;
  color: var(--db-text);
  line-height: 1.4;
}
.kb-card-desc {
  font-size: .78rem;
  color: var(--db-text-dim);
  line-height: 1.45;
  white-space: pre-wrap;
}
.kb-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: .1rem;
}
.kb-card-by {
  font-size: .72rem;
  color: var(--db-text-dim);
  display: flex;
  align-items: center;
  gap: .3rem;
}

/* ── Add card button ─────────────────────────────────────────── */
.kb-add-card-btn {
  display: flex;
  align-items: center;
  gap: .5rem;
  width: 100%;
  padding: .55rem .85rem;
  background: none;
  border: none;
  border-top: 1px solid var(--db-border);
  color: var(--db-text-dim);
  font-size: .82rem;
  cursor: pointer;
  border-radius: 0 0 8px 8px;
  transition: background .15s, color .15s;
}
.kb-add-card-btn:hover { background: var(--db-bg); color: var(--db-text); }

/* ── Add column ghost ────────────────────────────────────────── */
.kb-column-add-ghost {
  display: flex;
  align-items: flex-start;
  padding-top: .15rem;
}
.kb-add-col-btn {
  display: flex;
  align-items: center;
  gap: .5rem;
  padding: .6rem 1rem;
  background: rgba(255,255,255,.04);
  border: 1px dashed var(--db-border);
  border-radius: 10px;
  box-shadow: 0 2px 8px rgba(0,0,0,.3);
  color: var(--db-text-dim);
  font-size: .85rem;
  cursor: pointer;
  width: 200px;
  transition: background .15s, color .15s, border-color .15s;
  white-space: nowrap;
}
.kb-add-col-btn:hover { background: var(--db-bg); color: var(--db-text); border-color: rgba(0,212,255,.4); }

/* ── Icon button ─────────────────────────────────────────────── */
.kb-icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px; height: 26px;
  border: none;
  background: none;
  color: var(--db-text-dim);
  border-radius: 5px;
  cursor: pointer;
  font-size: .75rem;
  transition: background .15s, color .15s;
}
.kb-icon-btn:hover { background: var(--db-bg); color: var(--db-text); }
.kb-icon-btn--danger:hover { background: rgba(255,59,92,.15); color: #ff3b5c; }

/* ══════════════════════════════════════════════════════════════
   Modals
══════════════════════════════════════════════════════════════ */
.kb-modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.65);
  z-index: 9999;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}
.kb-modal-overlay.open { display: flex; }

.kb-modal {
  background: var(--db-card, #16181e);
  border: 1px solid var(--db-border);
  border-radius: 10px;
  box-shadow: 0 2px 8px rgba(0,0,0,.3);
  width: 420px;
  max-width: 100%;
  display: flex;
  flex-direction: column;
  gap: 0;
  animation: kbSlideIn .15s ease;
}
.kb-modal--wide { width: 560px; }
@keyframes kbSlideIn { from { opacity:0; transform:translateY(-12px); } to { opacity:1; transform:none; } }

.kb-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.1rem .8rem;
  border-bottom: 1px solid var(--db-border);
}
.kb-modal-header h3 { margin: 0; font-size: 1.05rem; }
.kb-modal-body { padding: 1.1rem; display: flex; flex-direction: column; gap: .1rem; }
.kb-modal-footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: .6rem;
  padding: .8rem 1.1rem;
  border-top: 1px solid var(--db-border);
}

/* Color preset dots */
.kb-color-presets { display: flex; gap: .45rem; flex-wrap: wrap; }
.kb-color-dot {
  width: 22px; height: 22px;
  border-radius: 50%;
  border: 2px solid rgba(255,255,255,.15);
  cursor: pointer;
  transition: transform .12s, border-color .12s;
}
.kb-color-dot:hover { transform: scale(1.2); border-color: rgba(255,255,255,.5); }

/* Tag input */
.kb-tag-input {
  display: flex;
  flex-wrap: wrap;
  gap: .35rem;
  align-items: center;
  background: var(--db-bg);
  border: 1px solid var(--db-border);
  border-radius: 6px;
  padding: .45rem .65rem;
  cursor: text;
  transition: border-color .15s;
}
.kb-tag-input:focus-within { border-color: var(--cyan, #00d4ff); }
.kb-tag-chips { display: flex; flex-wrap: wrap; gap: .3rem; }
.kb-tag--chip {
  display: inline-flex; align-items: center; gap: .3rem;
  font-size: .7rem; padding: 2px 6px;
}
.kb-tag--chip button {
  background: none; border: none; color: inherit;
  cursor: pointer; padding: 0; font-size: .8rem; line-height: 1;
  opacity: .6;
}
.kb-tag--chip button:hover { opacity: 1; }
.kb-tag-input input {
  flex: 1;
  min-width: 100px;
  background: none;
  border: none;
  color: var(--db-text);
  font-size: .85rem;
  font-family: inherit;
  outline: none;
  padding: 0;
}

/* mb helpers (not already in base css) */
.mb-3 { margin-bottom: .9rem !important; }