/* ============================================================
   AA — Week 10 animation styles (anim-w10.js). Theme tokens only.
   ============================================================ */

/* shared: answer buttons, captions */
.anim button.w10-pick { border-color: var(--accent); background: var(--accent-soft); color: var(--accent); }
.anim button.w10-pick.right { border-color: var(--green); background: var(--green-soft); color: var(--green); }
.anim button.w10-pick.wrong { border-color: var(--red); background: var(--red-soft); color: var(--red); }
.w10-opline { font-size: .85rem; margin: -.3rem 0 .6rem; }
.w10-opline code { font-family: var(--font-mono); color: var(--heading); }
.w10-cap { font-family: var(--font-mono); font-size: .72rem; color: var(--muted); margin: .5rem 0 0; }
.w10-cap strong { color: var(--accent); }
.w10-scale { margin-top: .6rem; }
.w10-scale small { color: var(--muted); }
.anim .w10-wrap .seg { flex-wrap: wrap; }
.anim .w10-wrap .seg button { white-space: nowrap; }
.w10-fb { font-size: .88rem; margin: -.4rem 0 .5rem; min-height: 1.4em; }

/* Task 1: lockers touched by one call */
.w10-lockers { display: flex; flex-direction: column; gap: .35rem; margin: .2rem 0 .4rem; }
.w10-lrow { display: grid; grid-template-columns: 3.6rem minmax(0, 330px) 1fr; align-items: center; gap: .6rem; }
.w10-llab, .w10-lcnt { font-family: var(--font-mono); font-size: .66rem; color: var(--muted); }
.w10-lcnt { color: var(--heading); }
.w10-lcells { display: flex; gap: 3px; min-width: 0; }
.w10-tw .anim-table { min-width: 0; }
.w10-lk { display: block; flex: 1 1 0; min-width: 5px; max-width: 16px; height: 22px; border-radius: 3px; border: 1px solid var(--border-strong); background: var(--bg-soft); transition: background .15s, border-color .15s, opacity .2s, transform .2s; }
.w10-lk.ghost { border-style: dashed; background: transparent; opacity: .45; }
.w10-lk.filled { opacity: 1; border-style: solid; }
.w10-lk.on { background: var(--blue); border-color: var(--blue); }
.w10-lk.good { background: var(--green); border-color: var(--green); }
.w10-lk.gold { background: var(--accent); border-color: var(--accent); transform: translateY(-3px); }
.w10-lk.bad { background: var(--red-soft); border-color: var(--red); }
.w10-lk.gone { opacity: .5; transform: translateY(-5px); }

/* Task 2: array rows */
.w10-arow { display: grid; grid-template-columns: 3.4rem 1fr; align-items: center; gap: .5rem; }
.w10-arow .arr { margin-top: .25rem; }
.w10-alab { font-family: var(--font-mono); font-size: .68rem; color: var(--muted); }

/* Task 3: staircases */
.w10-panes { display: grid; grid-template-columns: 1fr 1fr; gap: .8rem; }
.w10-pane { border: 1px solid var(--border); border-radius: 10px; padding: .5rem .6rem; background: var(--surface); min-width: 0; }
.w10-plab { font-size: .72rem; margin-bottom: .4rem; overflow-wrap: anywhere; }
.w10-plab code { font-family: var(--font-mono); color: var(--heading); }
.w10-stair { display: flex; flex-direction: column; gap: 3px; min-height: 8.6rem; }
.w10-srow { display: flex; gap: 3px; align-items: center; font-family: var(--font-mono); font-size: .62rem; }
.w10-srow > span { width: 2.2rem; color: var(--muted); flex: none; }
.w10-srow.jn { margin-top: .3rem; }
.w10-b { display: inline-grid; place-items: center; width: 26px; height: 17px; border-radius: 3px; font-style: normal; font-family: var(--font-mono); font-size: .58rem; border: 1px solid var(--border-strong); background: var(--bg-soft); color: var(--muted); }
.w10-b.copy { background: var(--blue-soft); border-color: var(--blue); color: var(--blue); }
.w10-b.new { background: var(--accent); border-color: var(--accent); color: var(--bg); }
.w10-b.keep { opacity: .55; }
.w10-b.join { background: var(--green-soft); border-color: var(--green); color: var(--green); }
.w10-legend { display: flex; flex-wrap: wrap; gap: .4rem .9rem; margin-top: .5rem; font-family: var(--font-mono); font-size: .62rem; color: var(--muted); }
.w10-legend span { display: inline-flex; align-items: center; gap: .3rem; }
.w10-legend .w10-b { width: 14px; height: 11px; opacity: 1; }

/* Task 4: capacity */
.w10-cap-box { border: 1px solid var(--border); border-radius: 10px; padding: .55rem .65rem; background: var(--surface); }
.w10-cap-lab { font-family: var(--font-mono); font-size: .72rem; margin-bottom: .4rem; }
.w10-cap-lab strong { color: var(--accent); }
.w10-slots { display: flex; flex-wrap: wrap; gap: 3px; }
.w10-slot { display: block; width: 18px; height: 22px; border-radius: 3px; border: 1px solid var(--border-strong); transition: background .2s; }
.w10-slot.used { background: var(--border-strong); }
.w10-slot.new { background: var(--accent); border-color: var(--accent); }
.w10-slot.copy { background: var(--blue); border-color: var(--blue); }
.w10-slot.free { background: transparent; border-style: dashed; }
.w10-slot.none { border-color: transparent; }
.w10-cbar { position: relative; height: 22px; border-radius: 6px; background: var(--bg-soft); overflow: hidden; }
.w10-cbar .cap { position: absolute; left: 0; top: 0; bottom: 0; border: 1px dashed var(--border-strong); border-radius: 6px; background: var(--surface-2); }
.w10-cbar .len { position: absolute; left: 0; top: 4px; bottom: 4px; background: var(--accent); border-radius: 4px; }
.w10-cbar.flash .cap { border-color: var(--blue); background: var(--blue-soft); }
.w10-two { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: .8rem; margin-top: .7rem; }
.w10-two > div { display: flex; flex-direction: column; gap: .35rem; min-width: 0; }
.w10-con { height: 12.5rem; max-height: none; white-space: pre; }
.w10-jt .anim-table { margin-top: 0; }
.w10-chopt { margin: .8rem 0 0; }

/* Task 5: list vs deque lanes */
.w10-scen { font-family: var(--font-display); font-size: 1.05rem; color: var(--heading); margin: 0 0 .5rem; }
.w10-lane { margin-top: .7rem; }
.w10-lhead { display: flex; flex-wrap: wrap; gap: .2rem .6rem; align-items: baseline; font-family: var(--font-mono); font-size: .68rem; }
.w10-lhead b { color: var(--heading); font-size: .78rem; }
.w10-lsteps { margin-left: auto; color: var(--accent); font-weight: 700; }
.w10-dq .cell { min-width: 1.9rem; height: 1.9rem; }
.w10-dq.blocks .cell:nth-child(4n) { margin-right: 6px; }
.w10-lbar { height: 6px; border-radius: 3px; background: var(--bg-soft); margin-top: .35rem; overflow: hidden; }
.w10-lbar i { display: block; height: 100%; background: var(--accent); transition: width .3s ease; }

@media (max-width: 640px) {
  .w10-panes, .w10-two { grid-template-columns: 1fr; }
  .w10-lrow { grid-template-columns: 3.2rem minmax(0, 1fr); }
  .w10-lcnt { grid-column: 2; }
  .w10-lk { height: 20px; }
  .w10-lcells { gap: 2px; }
  .w10-con { height: 9rem; }
  .w10-arow { grid-template-columns: 1fr; gap: 0; margin-bottom: .3rem; }
  .w10-arow .arr .cell { min-width: 1.9rem; }
  .w10-con { font-size: .64rem; }
  .w10-dq .cell { min-width: 1.7rem; height: 1.7rem; font-size: .68rem; }
}