/* ══════════════════════════════════════════════════════════
   PROJECT SIDE PANEL + KANBAN EXTRA STYLES
══════════════════════════════════════════════════════════ */

/* ── Kanban view wrapper: scale theo màn hình ── */
#proj-kanban-view {
  width: 100%;
  overflow-x: auto;
  /* Padding ngoài để board không sát cạnh */
  padding: 0 4px;
  box-sizing: border-box;
}

/* Nếu số cột ít, board co lại vừa màn hình.
   Nếu nhiều cột, scroll ngang. */
#proj-kanban-board {
  min-width: max-content; /* Khi nhiều cột: không wrap, scroll ngang */
  /* Nhưng khi ít cột: stretch đều */
}

/* Khi board FIT được trong viewport (không cần scroll), thì kéo giãn đều */
@media (min-width: 0px) {
  /* Luôn dùng flex với min-content để cột giãn đều khi có chỗ */
  #proj-kanban-board {
    min-width: unset;
  }
  #proj-kanban-view {
    /* Cho board chiếm full width của container */
    display: block;
  }
}

/* View toggle buttons */
.view-toggle-group {
  display: flex;
  border: 1.5px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  background: var(--bg-card);
}
.view-toggle-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px; height: 36px;
  border: none; background: transparent;
  color: var(--text-muted); cursor: pointer;
  transition: all .2s;
}
.view-toggle-btn:hover { background: var(--bg-hover); color: var(--text); }
.view-toggle-btn.active { background: var(--accent); color: #fff; }
.view-toggle-btn + .view-toggle-btn { border-left: 1.5px solid var(--border); }

/* ── Kanban board ── */
.kanban-board {
  display: flex; gap: 14px; padding: 4px 0 16px;
  overflow-x: auto; align-items: flex-start;
  min-height: calc(100vh - 220px);
  /* Auto-scale: sử dụng toàn bộ chiều rộng có sẵn */
  width: 100%;
  box-sizing: border-box;
}
.kanban-board::-webkit-scrollbar { height: 6px; }
.kanban-board::-webkit-scrollbar-thumb { background: var(--border); border-radius: 4px; }

.kanban-col {
  /* Scale theo màn hình: co giãn đều nhau, tối thiểu 220px, tối đa 320px */
  flex: 1 1 260px; min-width: 220px; max-width: 320px;
  background: var(--bg-card);
  border-radius: 12px; border: 1.5px solid var(--border);
  display: flex; flex-direction: column;
  max-height: calc(100vh - 200px);
  transition: box-shadow .25s, transform .2s, opacity .2s, background .2s;
  position: relative;
}

/* Drop target: highlight viền + nền */
.kanban-col[data-dragover="true"] {
  box-shadow: 0 0 0 3px var(--accent), 0 8px 32px rgba(61,168,50,.18);
  background: rgba(var(--col-r,61),var(--col-g,168),var(--col-b,50),.07);
  border-color: var(--accent);
  transform: scale(1.012);
}

/* Drop indicator line ở trên cùng của cột khi drag card vào */
.kanban-col[data-dragover="true"]::before {
  content: '';
  position: absolute;
  top: 0; left: 8px; right: 8px; height: 3px;
  background: var(--accent);
  border-radius: 99px;
  z-index: 2;
  animation: dropPulse .6s ease-in-out infinite alternate;
}
@keyframes dropPulse {
  from { opacity: .6; transform: scaleX(.95); }
  to   { opacity: 1;  transform: scaleX(1); }
}
.kanban-col-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 10px 12px; border-radius: 10px 10px 0 0;
  border-bottom: 1.5px solid var(--border);
}
.kanban-col-title { font-size: 12px; font-weight: 700; letter-spacing: .3px; }
.kanban-col-count {
  font-size: 11px; font-weight: 700; color: #fff;
  border-radius: 20px; padding: 1px 7px; min-width: 18px; text-align: center;
}
.kanban-cards {
  flex: 1; overflow-y: auto; padding: 8px; display: flex; flex-direction: column; gap: 8px;
}
.kanban-cards::-webkit-scrollbar { width: 3px; }
.kanban-cards::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
.kanban-empty {
  text-align: center; color: var(--text-muted); font-size: 12px;
  padding: 24px 8px; border: 2px dashed var(--border); border-radius: 8px;
}
.kanban-add-btn {
  display: flex; align-items: center; gap: 6px; justify-content: center;
  width: calc(100% - 16px); margin: 6px 8px;
  padding: 7px 12px; background: transparent;
  border: 1.5px dashed var(--border); border-radius: 8px;
  color: var(--text-muted); font-size: 12px; cursor: pointer; transition: all .2s;
}
.kanban-add-btn:hover { border-color: var(--accent); color: var(--accent); background: rgba(61,168,50,.06); }

/* Card */
.kanban-card {
  background: var(--bg); border: 1.5px solid var(--border);
  border-radius: 10px; padding: 10px; cursor: grab;
  transition: box-shadow .2s, transform .2s, opacity .25s, border-color .2s;
  position: relative; user-select: none;
  will-change: transform;
}
.kanban-card:hover {
  box-shadow: 0 4px 16px rgba(0,0,0,.1);
  transform: translateY(-2px); border-color: rgba(61,168,50,.4);
}
.kanban-card:active { cursor: grabbing; }


/* Card đang được kéo: mờ đi, thu nhỏ */
.kanban-card.is-dragging {
  opacity: 0.35;
  transform: scale(0.96);
  border-style: dashed;
  pointer-events: none;
}

/* Ghost card theo chuột — dùng computed bg từ col */
#kanban-drag-ghost {
  position: fixed;
  pointer-events: none;
  z-index: 9999;
  width: 250px;
  background: var(--bg-card);
  border: 2px solid var(--accent);
  border-radius: 12px;
  padding: 10px 12px;
  box-shadow: 0 16px 48px rgba(0,0,0,.28), 0 0 0 1px rgba(61,168,50,.2);
  transform: rotate(2deg) scale(1.04);
  transition: transform .15s;
  opacity: .95;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}

/* Drop placeholder — khoảng trống vô hình đẩy card ra như app mobile */
.kanban-drop-placeholder {
  height: 70px;
  min-height: 70px;
  flex-shrink: 0;
  /* Hoàn toàn trong suốt — chỉ chiếm chỗ để card tự đẩy ra */
  background: transparent;
  border: none;
  pointer-events: none;
  /* Xuất hiện mượt từ 0 chiều cao */
  animation: phGrow .2s cubic-bezier(0.34, 1.56, 0.64, 1);
}
@keyframes phGrow {
  from { height: 0; min-height: 0; }
  to   { height: 70px; min-height: 70px; }
}

/* Cards có transition để trượt ra chỗ mượt mà khi placeholder di chuyển */
.kanban-card {
  transition: transform .18s cubic-bezier(0.34,1.56,0.64,1),
              box-shadow .18s ease !important;
}


/* ── COLUMN drag animation ── */

/* .col-is-dragging — JS collapse bằng inline style, CSS không cần ruleset */

/* Placeholder full-width — element tái sử dụng, không có animation (tránh restart khi move) */
.kanban-col-placeholder {
  flex: 0 0 var(--ph-w, 260px);
  min-width: var(--ph-w, 260px);
  max-width: var(--ph-w, 260px);
  align-self: stretch;
  background: transparent;
  border: 2px dashed rgba(61, 168, 50, 0.22);
  border-radius: 14px;
  pointer-events: none;
  /* Không có animation — columns trượt mượt nhờ transition trên .kanban-col */
}

/* Tất cả cột có transition để trượt mượt khi placeholder xuất hiện/di chuyển */
.kanban-col {
  transition: flex .22s cubic-bezier(0.4,0,0.2,1),
              min-width .22s cubic-bezier(0.4,0,0.2,1),
              opacity .18s ease;
}

/* data-col-dragover bị xóa — border highlight gây layout reflow → flicker */


/* Ghost column theo chuột */
#kanban-col-ghost {
  position: fixed;
  pointer-events: none;
  z-index: 9998;
  /* Width sẽ được set bởi JS theo col size thực tế */
  background: var(--bg-card);
  border: 2px solid var(--accent);
  border-radius: 14px;
  box-shadow: 0 24px 60px rgba(0,0,0,.30), 0 0 0 1px rgba(61,168,50,.20);
  transform: rotate(1.5deg) scale(1.025);
  opacity: .90;
  overflow: hidden;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  transition: transform .2s cubic-bezier(0.34,1.56,0.64,1);
}


.kanban-card-header {
  display: flex; align-items: center; justify-content: space-between; margin-bottom: 5px;
}
.kanban-card-code { font-size: 11px; font-weight: 700; background: transparent; border: none; padding: 0; }
.kanban-card-cust {
  font-size: 10px; color: var(--text-muted);
  max-width: 110px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.kanban-card-name { font-size: 13px; font-weight: 600; color: var(--text); line-height: 1.4; margin-bottom: 5px; }
.kanban-card-meta { font-size: 11px; color: var(--text-muted); margin-bottom: 2px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.kanban-card-footer { display: flex; flex-wrap: wrap; gap: 5px; margin-top: 6px; padding-top: 6px; border-top: 1px solid var(--border); }
.kcard-date { font-size: 10px; color: var(--text-muted); background: var(--bg-hover); padding: 2px 6px; border-radius: 20px; }
.kcard-date-overdue { background: #fef2f2; color: #dc2626; font-weight: 600; }
.kanban-card-value { font-size: 11px; font-weight: 700; color: #10b981; padding: 2px 0; }
.kanban-card-actions-row {
  display: flex; justify-content: flex-end; gap: 2px;
  opacity: 0; transition: opacity .2s; margin-top: 4px;
}
.kanban-card:hover .kanban-card-actions-row { opacity: 1; }
.kcard-btn {
  border: none; background: transparent; cursor: pointer;
  padding: 3px 5px; border-radius: 4px; font-size: 13px; transition: background .15s;
}
.kcard-btn:hover { background: var(--bg-hover); }

/* ── Project Side Panel ── */
.proj-panel {
  position: fixed; top: 0; right: 0;
  width: 480px; max-width: 95vw; height: 100vh;
  background: var(--bg-card);
  border-left: 1.5px solid var(--border);
  box-shadow: -8px 0 32px rgba(0,0,0,.12);
  z-index: 1001;
  transform: translateX(100%);
  transition: transform .3s cubic-bezier(.4,0,.2,1);
  display: flex; flex-direction: column;
}
.proj-panel.open { transform: translateX(0); }
.proj-panel-inner { display: flex; flex-direction: column; height: 100%; overflow: hidden; }

.proj-panel-head {
  display: flex; align-items: flex-start; gap: 12px;
  padding: 18px 18px 10px;
  border-bottom: 1.5px solid var(--border); flex-shrink: 0;
}
.proj-panel-title {
  font-size: 15px; font-weight: 700; color: var(--text);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.proj-panel-sub {
  display: flex; align-items: center; gap: 8px;
  margin-top: 4px; font-size: 12px; color: var(--text-muted);
}
.proj-panel-close {
  border: none; background: transparent; cursor: pointer;
  color: var(--text-muted); font-size: 18px; line-height: 1;
  padding: 4px; border-radius: 6px; flex-shrink: 0; transition: all .15s;
}
.proj-panel-close:hover { background: var(--bg-hover); color: var(--text); }

.proj-panel-tabs {
  display: flex; gap: 0; overflow-x: auto; flex-shrink: 0;
  border-bottom: 1.5px solid var(--border); background: var(--bg); padding: 0 10px;
}
.proj-panel-tabs::-webkit-scrollbar { height: 3px; }
.ppanel-tab {
  border: none; background: transparent; cursor: pointer;
  padding: 9px 11px; font-size: 12px; font-weight: 600;
  color: var(--text-muted); white-space: nowrap;
  border-bottom: 2px solid transparent; margin-bottom: -1.5px; transition: all .2s;
}
.ppanel-tab:hover { color: var(--text); }
.ppanel-tab.active { color: var(--accent); border-bottom-color: var(--accent); }

.proj-panel-body { flex: 1; overflow-y: auto; }
.proj-panel-body::-webkit-scrollbar { width: 4px; }
.proj-panel-body::-webkit-scrollbar-thumb { background: var(--border); border-radius: 4px; }

.proj-panel-content {
  padding: 14px; display: flex; flex-direction: column; gap: 12px;
  min-height: calc(100% - 28px);
}

.ppanel-assign {
  display: flex; align-items: center; gap: 10px;
  padding: 9px 12px; background: var(--bg);
  border: 1.5px solid var(--border); border-radius: 10px;
}
.ppanel-assign-label { font-size: 13px; font-weight: 600; color: var(--text); white-space: nowrap; }
.ppanel-assign select {
  flex: 1; border: 1px solid var(--border); border-radius: 6px;
  padding: 5px 10px; font-size: 13px; background: var(--bg-card); color: var(--text); outline: none;
}

.ppanel-detail-grid { display: flex; flex-direction: column; gap: 4px; }
.ppanel-detail-row {
  display: flex; gap: 10px; align-items: baseline;
  font-size: 13px; padding: 4px 0; border-bottom: 1px solid var(--border);
}
.ppanel-detail-row span { color: var(--text-muted); min-width: 90px; flex-shrink: 0; }
.ppanel-detail-row strong { color: var(--text); }
.ppanel-detail-row.full { flex-direction: column; gap: 2px; }

.ppanel-section-title {
  font-size: 12px; font-weight: 700; color: var(--text);
  padding: 3px 0 2px; border-bottom: 1.5px solid var(--accent);
}

.ppanel-chat {
  flex: 1; overflow-y: auto; min-height: 160px; max-height: 320px;
  border: 1.5px solid var(--border); border-radius: 10px;
  padding: 10px; display: flex; flex-direction: column; gap: 6px;
  background: var(--bg);
}
.ppanel-chat::-webkit-scrollbar { width: 3px; }
.ppanel-chat::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
.ppanel-chat-empty { text-align: center; color: var(--text-muted); font-size: 12px; padding: 28px 0; }

.ppanel-msg {
  display: flex;
  gap: 6px;
  align-items: flex-end;
  margin-bottom: 4px;
  padding: 0 4px;
}
/* Tin người khác: bên trái */
.ppanel-msg-other {
  flex-direction: row;
  justify-content: flex-start;
}
/* Tin của mình: bên phải */
.ppanel-msg-mine {
  flex-direction: row-reverse;
  justify-content: flex-start;
}

.ppanel-msg-bubble {
  max-width: 75%;
  background: var(--bg-hover);
  border: 1px solid var(--border);
  border-radius: 18px 18px 18px 4px;
  padding: 8px 13px;
  position: relative;
}
.ppanel-msg-mine .ppanel-msg-bubble {
  background: var(--accent);
  border-color: var(--accent);
  border-radius: 18px 18px 4px 18px;
  color: #fff;
}
.ppanel-msg-name {
  font-size: 10px; font-weight: 700; color: var(--accent); margin-bottom: 3px;
}
.ppanel-msg-mine .ppanel-msg-name { display: none; }
.ppanel-msg-text {
  font-size: 13px; line-height: 1.5; word-break: break-word; white-space: pre-wrap;
}
.ppanel-msg-mine .ppanel-msg-text { color: #fff; }
.ppanel-msg-time {
  font-size: 10px; opacity: .55; margin-top: 3px;
  text-align: right;
}
.ppanel-msg-mine .ppanel-msg-time { color: rgba(255,255,255,.75); }
.ppanel-msg-recall {
  border: none; background: transparent; cursor: pointer;
  color: var(--text-muted); font-size: 14px; padding: 2px 4px;
  border-radius: 4px; opacity: 0; transition: opacity .2s;
  flex-shrink: 0; align-self: center;
}
.ppanel-msg:hover .ppanel-msg-recall { opacity: 1; }
.ppanel-msg-recall:hover { background: var(--bg-hover); color: #ef4444; }

.ppanel-chat-input-row {
  display: flex; gap: 6px; align-items: center;
  padding: 10px 14px; border-top: 1.5px solid var(--border);
  background: var(--bg-card); flex-shrink: 0;
}
.ppanel-chat-attach {
  width: 32px; height: 32px; border-radius: 50%;
  border: 1.5px solid var(--border); background: var(--bg);
  cursor: pointer; font-size: 18px; color: var(--text-muted);
  display: flex; align-items: center; justify-content: center;
  transition: all .15s; flex-shrink: 0;
}
.ppanel-chat-attach:hover { background: var(--bg-hover); color: var(--accent); border-color: var(--accent); }
.ppanel-chat-input {
  flex: 1; border: 1.5px solid var(--border); border-radius: 20px;
  padding: 7px 14px; font-size: 13px; background: var(--bg);
  color: var(--text); outline: none; transition: border .2s;
}
.ppanel-chat-input:focus { border-color: var(--accent); }
.ppanel-chat-send {
  background: var(--accent); color: #fff; border: none;
  border-radius: 20px; padding: 7px 16px; font-size: 13px;
  font-weight: 600; cursor: pointer; flex-shrink: 0; transition: all .15s;
}
.ppanel-chat-send:hover { opacity: .88; }

/* ── Extra chat styles ── */
.ppanel-msg-recalled .ppanel-msg-text { font-style: italic; opacity: .5; }
.ppanel-msg-file {
  display: block; margin-top: 4px; font-size: 12px;
  color: var(--accent); text-decoration: none;
}
.ppanel-msg-mine .ppanel-msg-file { color: rgba(255,255,255,.85); }
.ppanel-msg-file:hover { text-decoration: underline; }
.ppanel-msg-reactions { display: flex; gap: 4px; margin-top: 5px; flex-wrap: wrap; }
.ppanel-react {
  background: var(--bg-hover); border: 1px solid var(--border);
  border-radius: 20px; padding: 1px 6px; font-size: 12px; cursor: pointer;
  transition: all .15s;
}
.ppanel-react:hover { background: var(--accent); color: #fff; border-color: var(--accent); }

/* Card tab-assign mini badge */
.kanban-card-assign {
  font-size: 10px; color: var(--accent); font-weight: 600;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
  max-width: 130px;
}

/* Cột '+' thêm kanban column */
.kanban-col-add {
  flex: 0 0 120px; min-width: 120px; max-width: 120px;
  background: transparent;
  border: 2px dashed var(--border);
  border-radius: 12px;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  cursor: pointer;
  transition: all .2s;
}
.kanban-col-add:hover {
  border-color: var(--accent);
  background: rgba(61,168,50,.04);
}

/* Drag handle trên header cột */
.kanban-col-drag-handle {
  font-size: 14px; color: var(--text-muted);
  cursor: grab; padding: 0 4px;
  flex-shrink: 0; line-height: 1;
  opacity: 0; transition: opacity .15s;
}
.kanban-col-header:hover .kanban-col-drag-handle { opacity: 1; }
.kanban-col-header { cursor: grab; }
.kanban-col-header:active { cursor: grabbing; }

/* Cột đang được drag over (col reorder) */
.kanban-col[data-col-dragover="true"] {
  box-shadow: -4px 0 0 0 var(--accent), 0 0 0 1px var(--accent);
  background: rgba(var(--col-r,61),var(--col-g,168),var(--col-b,50),.06);
  transform: translateX(4px);
}

/* ── Modal quản lý cột (ks-list) ── */
.ks-item {
  display: flex; align-items: center; gap:9px;
  padding: 8px 10px;
  background: var(--bg-card); border: 1.5px solid var(--border);
  border-radius: 8px; cursor: default; transition: all .15s;
}
.ks-item:hover { border-color: var(--accent); }
.ks-item[data-drop-above="true"] { border-top: 3px solid var(--accent); }
.ks-item[data-drop-above="false"] { border-bottom: 3px solid var(--accent); }
.ks-item-handle {
  font-size: 14px; cursor: grab; color: var(--text-muted);
  padding: 0 2px; flex-shrink: 0;
}
.ks-item-handle:active { cursor: grabbing; }

.ks-insert-zone {
  display: flex; align-items: center; justify-content: center;
  gap: 4px; padding: 4px 8px;
  font-size: 11px; font-weight: 600; color: var(--text-muted);
  border: 1.5px dashed transparent; border-radius: 6px;
  cursor: pointer; transition: all .15s; margin: 2px 0;
  opacity: 0;
}
.ks-insert-zone:hover, #ks-list:hover .ks-insert-zone {
  opacity: 1; border-color: var(--accent);
  color: var(--accent); background: rgba(61,168,50,.06);
}

.ks-del-btn {
  border: none; background: transparent; cursor: pointer;
  color: var(--danger); font-size: 13px; padding: 3px 5px;
  border-radius: 4px; transition: background .15s;
}
.ks-del-btn:hover { background: rgba(239,68,68,.1); }

/* Nút + và × trên header cột kanban */
.kh-add-btn, .kh-del-btn {
  border: none; background: transparent; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  width: 20px; height: 20px; border-radius: 50%;
  font-size: 13px; line-height: 1;
  opacity: 0; transition: opacity .15s, background .15s;
  flex-shrink: 0;
}
.kanban-col-header:hover .kh-add-btn,
.kanban-col-header:hover .kh-del-btn { opacity: 1; }
.kh-add-btn { color: var(--accent); }
.kh-add-btn:hover { background: rgba(61,168,50,.15); }
.kh-del-btn { color: var(--danger); font-size: 15px; }
.kh-del-btn:hover { background: rgba(239,68,68,.12); }

/* ── Nextcloud Backup Buttons trong Chat ── */
.ppanel-nc-backup {
  display: inline-flex;
  align-items: center;
  border: none;
  background: transparent;
  cursor: pointer;
  font-size: 13px;
  padding: 0 3px;
  opacity: 0;
  transition: opacity .15s;
  vertical-align: middle;
  border-radius: 4px;
}
.ppanel-msg-time:hover .ppanel-nc-backup,
.ppanel-nc-backup:focus { opacity: 1; }
.ppanel-nc-backup:hover { background: rgba(59,130,246,.12); }
.ppanel-nc-backup:disabled { opacity: .4; cursor: not-allowed; }

.ppanel-nc-backed {
  display: inline-flex;
  align-items: center;
  font-size: 12px;
  vertical-align: middle;
  opacity: .7;
  margin-left: 2px;
}