/* ============================================================================
 * todo.css — To-Do Planner tab
 * Uses the portal design tokens from style.css :root (DM Sans, --or amber,
 * grey scale, radii, shadows). Desktop/tablet is the primary target; a
 * persistent always-visible sidebar is the core of the layout.
 * ==========================================================================*/

#panel-todo { max-width: 1100px; }

/* ── Layout: sidebar + main ───────────────────────────────────────────────── */
.td-layout {
  display: grid;
  grid-template-columns: 250px 1fr;
  gap: 20px;
  align-items: start;
}

/* ── Sidebar (always visible) ─────────────────────────────────────────────── */
.td-sidebar {
  position: sticky;
  top: calc(var(--hdr-h, 63px) + 18px);
  background: var(--w);
  border: 1px solid var(--g100);
  border-radius: var(--rlg);
  box-shadow: var(--ss);
  overflow: hidden;
  max-height: calc(100vh - var(--hdr-h, 63px) - 40px);
  display: flex;
  flex-direction: column;
}
.td-side-search-wrap { padding: 12px 12px 8px; border-bottom: 1px solid var(--g100); }
.td-side-search {
  width: 100%;
  font-family: var(--f);
  font-size: 12.5px;
  padding: 8px 11px;
  border: 1px solid var(--g100);
  border-radius: 8px;
  background: var(--ow);
  color: var(--g900);
  outline: none;
  transition: border-color .15s;
}
.td-side-search:focus { border-color: var(--or); }
.td-side-search::placeholder { color: var(--g400); }

.td-side-list { overflow-y: auto; padding: 8px; }

.td-side-hdr {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .12em;
  color: var(--g400);
  padding: 12px 8px 5px;
}

.td-side-item {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 8px 9px;
  border: none;
  background: transparent;
  border-radius: 7px;
  cursor: pointer;
  font-family: var(--f);
  font-size: 13px;
  color: var(--g900);
  text-align: left;
  transition: background .1s;
}
.td-side-item:hover { background: var(--ow); }
.td-side-item.active { background: var(--olt); color: var(--or); }
.td-side-ico { display: flex; color: var(--g400); flex-shrink: 0; }
.td-side-item.active .td-side-ico { color: var(--or); }
.td-side-label { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.td-side-count {
  font-size: 11px;
  font-weight: 600;
  color: var(--g400);
  background: var(--g50);
  border-radius: 20px;
  padding: 1px 8px;
  flex-shrink: 0;
}
.td-side-item.active .td-side-count { background: var(--w); color: var(--ord); }

.td-side-proj {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 5px 6px 5px 9px;
  border-radius: 7px;
  transition: background .1s;
}
.td-side-proj:hover { background: var(--ow); }
.td-side-proj.active { background: var(--olt); }
.td-side-proj-main {
  flex: 1;
  min-width: 0;
  border: none;
  background: transparent;
  cursor: pointer;
  font-family: var(--f);
  text-align: left;
  padding: 2px 0;
  display: flex;
  flex-direction: column;
  gap: 1px;
}
.td-side-proj-code { font-size: 12.5px; font-weight: 600; color: var(--g900); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.td-side-proj.active .td-side-proj-code { color: var(--ord); }
.td-side-proj-sub { font-size: 11px; color: var(--g400); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.td-side-star {
  border: none;
  background: transparent;
  cursor: pointer;
  color: var(--g200);
  display: flex;
  padding: 3px;
  border-radius: 6px;
  flex-shrink: 0;
  transition: color .12s, background .12s;
}
.td-side-star:hover { background: var(--g50); color: var(--g400); }
.td-side-star.on { color: var(--or); }

/* ── Main column ──────────────────────────────────────────────────────────── */
.td-main { min-width: 0; }

/* ── Quick-add bar ────────────────────────────────────────────────────────── */
.td-quickadd { position: relative; margin-bottom: 20px; }
.td-qa-row {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--w);
  border: 1.5px solid var(--g200);
  border-radius: var(--rlg);
  padding: 8px 10px;
  box-shadow: var(--ss);
  transition: border-color .15s, box-shadow .15s;
}
.td-quickadd:focus-within .td-qa-row { border-color: var(--or); box-shadow: 0 0 0 3px rgba(250,166,26,.12); }
.td-qa-plus {
  width: 22px; height: 22px;
  flex-shrink: 0;
  border-radius: 50%;
  background: var(--olt);
  color: var(--ord);
  font-size: 18px;
  font-weight: 600;
  line-height: 20px;
  text-align: center;
}
.td-qa-input {
  flex: 1;
  min-width: 0;
  border: none;
  outline: none;
  font-family: var(--f);
  font-size: 14.5px;
  color: var(--g900);
  background: transparent;
  padding: 4px 2px;
}
.td-qa-input::placeholder { color: var(--g400); }
.td-qa-datefield { position: absolute; width: 1px; height: 1px; opacity: 0; pointer-events: none; }

.td-qa-chip {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  flex-shrink: 0;
  font-family: var(--f);
  font-size: 12px;
  font-weight: 500;
  color: var(--g600);
  background: var(--g50);
  border: 1px solid var(--g100);
  border-radius: 20px;
  padding: 5px 11px;
  cursor: pointer;
  white-space: nowrap;
  transition: background .12s, border-color .12s, color .12s;
}
.td-qa-chip:hover { border-color: var(--g200); }
.td-qa-chip.set { background: var(--olt); border-color: var(--olt); color: var(--ord); }
.td-qa-add { flex-shrink: 0; padding: 8px 18px; font-size: 13px; }

.td-qa-dropdown {
  position: absolute;
  top: calc(100% + 4px);
  left: 40px;
  right: 12px;
  background: var(--w);
  border: 1px solid var(--g100);
  border-radius: var(--rmd);
  box-shadow: var(--sm);
  z-index: 30;
  max-height: 280px;
  overflow-y: auto;
  padding: 5px;
}
.td-qa-opt {
  width: 100%;
  display: flex;
  align-items: baseline;
  gap: 10px;
  border: none;
  background: transparent;
  cursor: pointer;
  font-family: var(--f);
  text-align: left;
  padding: 7px 9px;
  border-radius: 7px;
  transition: background .1s;
}
.td-qa-opt:hover { background: var(--ow); }
.td-qa-opt-code { font-size: 12.5px; font-weight: 600; color: var(--g900); flex-shrink: 0; }
.td-qa-opt-name { font-size: 12px; color: var(--g400); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* ── Sections + item rows ─────────────────────────────────────────────────── */
.td-section { margin-bottom: 24px; }
.td-section-hdr {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 700;
  color: var(--g900);
  padding-bottom: 9px;
  margin-bottom: 4px;
  border-bottom: 1px solid var(--g100);
}
.td-section-count {
  font-size: 11px;
  font-weight: 600;
  color: var(--g400);
  background: var(--g50);
  border-radius: 20px;
  padding: 1px 8px;
}

.td-item {
  display: flex;
  align-items: flex-start;
  gap: 11px;
  background: var(--w);
  border: 1px solid var(--g100);
  border-left-width: 3px;
  border-left-color: var(--g100);
  border-radius: var(--rmd);
  padding: 11px 13px;
  margin-bottom: 7px;
  box-shadow: var(--ss);
  transition: box-shadow .15s, border-color .15s;
}
.td-item:hover { box-shadow: var(--sm); }
/* Priority colour on the lead-task row only */
.td-prio-bar-High   { border-left-color: var(--rtx); }
.td-prio-bar-Medium { border-left-color: var(--or); }
.td-prio-bar-Low    { border-left-color: var(--g200); }
.td-prio-bar-None   { border-left-color: var(--g100); }

/* Drag handle (overview pool only) */
.td-grip {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  align-self: stretch;
  margin: -2px 0 -2px -4px;
  padding: 2px;
  color: var(--g200);
  cursor: grab;
  transition: color .12s;
  touch-action: none;
}
.td-grip:active { cursor: grabbing; }
.td-item:hover .td-grip { color: var(--g400); }
/* Placeholder shown where the row will drop */
.td-dragging {
  opacity: .55;
  border-style: dashed;
  box-shadow: none;
}

.td-check {
  flex-shrink: 0;
  border: none;
  background: transparent;
  cursor: pointer;
  padding: 2px;
  margin-top: 1px;
}
.td-check-box {
  display: block;
  width: 18px; height: 18px;
  border: 2px solid var(--g200);
  border-radius: 50%;
  transition: border-color .12s, background .12s;
  position: relative;
}
.td-check:hover .td-check-box { border-color: var(--or); }
.td-check:hover .td-check-box::after {
  content: '';
  position: absolute;
  left: 4px; top: 6px;
  width: 8px; height: 4px;
  border-left: 2px solid var(--or);
  border-bottom: 2px solid var(--or);
  transform: rotate(-45deg);
}

.td-item-body { flex: 1; min-width: 0; cursor: pointer; }
.td-item-title { font-size: 14px; color: var(--g900); line-height: 1.35; word-break: break-word; }
.td-item-meta { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 7px; align-items: center; }

.td-chip {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 11px;
  font-weight: 500;
  padding: 2px 8px;
  border-radius: 20px;
  background: var(--g50);
  color: var(--g600);
  white-space: nowrap;
}
.td-due.td-due-today   { background: var(--olt); color: var(--ord); }
.td-due.td-due-overdue { background: var(--rbg); color: var(--rtx); font-weight: 600; }
.td-proj-chip { background: var(--bbg); color: var(--btx); max-width: 100%; overflow: hidden; text-overflow: ellipsis; }
.td-sub-chip  { background: var(--g50); color: var(--g600); }
.td-prio-chip.td-prio-High   { background: var(--rbg); color: var(--rtx); }
.td-prio-chip.td-prio-Medium { background: var(--olt); color: var(--ord); }

/* ── Empty state ──────────────────────────────────────────────────────────── */
.td-empty { text-align: center; padding: 60px 24px; color: var(--g400); }
.td-empty-icon { display: inline-flex; color: var(--g200); transform: scale(2.2); margin-bottom: 22px; }
.td-empty-title { font-size: 16px; font-weight: 600; color: var(--g600); margin-bottom: 6px; }
.td-empty-text { font-size: 13px; max-width: 360px; margin: 0 auto; line-height: 1.6; }

/* ── Detail / edit slide-in panel ─────────────────────────────────────────── */
.td-detail-backdrop { position: fixed; inset: 0; background: rgba(15,20,25,.32); z-index: 200; }
.td-detail-panel {
  position: fixed;
  top: var(--hdr-h, 63px);
  right: 0; bottom: 0;
  width: 440px;
  max-width: 92vw;
  background: var(--w);
  z-index: 201;
  display: flex;
  flex-direction: column;
  box-shadow: -6px 0 24px rgba(0,0,0,.1);
  transform: translateX(100%);
  transition: transform 220ms cubic-bezier(.2,.7,.3,1);
}
.td-detail-panel.open { transform: translateX(0); }
.td-detail-hdr {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 18px;
  border-bottom: 1px solid var(--g100);
  flex-shrink: 0;
}
.td-detail-title { font-size: 14px; font-weight: 600; color: var(--g900); }
.hb-close-btn {
  background: transparent; border: none; cursor: pointer;
  font-size: 22px; line-height: 1; color: var(--g400);
  padding: 0 4px; border-radius: 6px; transition: color .12s;
}
.hb-close-btn:hover { color: var(--g900); }
.td-detail-body { flex: 1; overflow-y: auto; padding: 18px; }
.td-detail-body .fr { margin-bottom: 14px; }
.td-detail-body .fg2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.td-detail-body .fg2 .fr { margin-bottom: 14px; }
.td-detail-actions {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 18px;
  border-top: 1px solid var(--g100);
  flex-shrink: 0;
}
.td-del-btn { border-color: var(--rtx) !important; color: var(--rtx) !important; }
.td-del-btn:hover { background: var(--rtx) !important; color: var(--w) !important; }

/* Project picker inside the panel */
.td-d-proj-wrap { position: relative; display: flex; align-items: center; }
.td-d-proj-wrap input { flex: 1; padding-right: 30px !important; }
.td-d-proj-clear {
  position: absolute; right: 6px;
  border: none; background: transparent; cursor: pointer;
  color: var(--g400); font-size: 18px; line-height: 1; padding: 2px 6px;
}
.td-d-proj-clear:hover { color: var(--g900); }
.td-d-proj-drop {
  position: absolute;
  top: calc(100% + 3px); left: 0; right: 0;
  background: var(--w);
  border: 1px solid var(--g100);
  border-radius: var(--rmd);
  box-shadow: var(--sm);
  z-index: 10;
  max-height: 220px; overflow-y: auto;
  padding: 5px;
}
.td-d-proj-current { font-size: 12px; color: var(--g400); margin-top: 6px; }

/* Sub-tasks */
.td-sub-row { display: flex; align-items: center; gap: 8px; padding: 5px 0; }
.td-sub-row input[type=checkbox] { accent-color: var(--or); cursor: pointer; flex-shrink: 0; width: 15px; height: 15px; }
.td-sub-text { flex: 1; font-size: 13px; color: var(--g900); word-break: break-word; }
.td-sub-text.done { text-decoration: line-through; color: var(--g400); }
.td-sub-del { border: none; background: transparent; cursor: pointer; color: var(--g400); font-size: 16px; line-height: 1; padding: 2px 6px; }
.td-sub-del:hover { color: var(--rtx); }
.td-sub-empty { font-size: 12.5px; color: var(--g400); padding: 2px 0 6px; }
.td-sub-add { display: flex; gap: 8px; margin-top: 8px; }
.td-sub-add input {
  flex: 1; font-family: var(--f); font-size: 13px;
  padding: 8px 10px; border: 1px solid var(--g200); border-radius: var(--rsm);
  background: var(--w); color: var(--g900); outline: none; transition: border-color .15s;
}
.td-sub-add input:focus { border-color: var(--or); }

/* ── Toast (with Undo) ────────────────────────────────────────────────────── */
#panel-todo .toast {
  position: fixed;
  bottom: 24px; left: 50%;
  transform: translateX(-50%) translateY(20px);
  display: flex; align-items: center; gap: 14px;
  background: var(--g900); color: var(--w);
  padding: 11px 20px;
  border-radius: var(--rlg);
  font-size: 13px; font-weight: 500;
  opacity: 0; pointer-events: none;
  transition: opacity .22s, transform .22s;
  z-index: 400;
  white-space: nowrap;
}
#panel-todo .toast.show { opacity: 1; pointer-events: auto; transform: translateX(-50%) translateY(0); }
#panel-todo .toast.err  { background: var(--rtx); }
.td-toast-undo {
  border: none; background: transparent; cursor: pointer;
  color: var(--or); font-family: var(--f); font-size: 13px; font-weight: 700;
  padding: 0; text-transform: uppercase; letter-spacing: .04em;
}
.td-toast-undo:hover { color: var(--w); }

/* ── Narrow screens (nice-to-have; sidebar stays visible, just narrower) ───── */
@media (max-width: 760px) {
  .td-layout { grid-template-columns: 168px 1fr; gap: 12px; }
  .td-qa-add { padding: 8px 12px; }
  .td-qa-chip span { display: none; }
}