/* Smocza Matematyka — module 'znaczki-mnozenie' (stamp game multiplication: bags, slide, exchange; ×10 / ×100).
 * Every selector starts with .mod-znaczki-mnozenie. Colours: tokens from css/base.css (bag brown is the material).
 */

/* ---------- task band: the operation in category colours ---------- */

.mod-znaczki-mnozenie .zm-op {
  --zm-sz: 64px; /* number size, set by the module (60–68 px, §1.4) */
  display: flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
  white-space: nowrap;
}
.mod-znaczki-mnozenie .zm-times-n {
  font-family: var(--font-num);
  font-size: var(--zm-sz);
  font-weight: 700;
  line-height: 1;
  color: var(--ink);
  padding: 4px 10px 8px;
  border-radius: 14px;
  transition: background-color 0.25s, box-shadow 0.25s;
}
.mod-znaczki-mnozenie .zm-times-n.is-amber {
  background: var(--err-soft);
  box-shadow: inset 0 0 0 4px var(--err);
}
.mod-znaczki-mnozenie .zm-num {
  display: inline-flex;
  align-items: center;
  padding: 0 4px 6px;
}
.mod-znaczki-mnozenie .zm-sign {
  font-family: var(--font-num);
  font-size: calc(var(--zm-sz) * 0.85);
  font-weight: 700;
  color: var(--ink-soft);
}
.mod-znaczki-mnozenie .zm-res {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: calc(var(--zm-sz) * 1.3);
  height: calc(var(--zm-sz) + 22px);
  padding: 0 10px;
  border-radius: 16px;
  border: 3px dashed var(--line);
  background: var(--panel);
}
.mod-znaczki-mnozenie .zm-res.is-done {
  border: 3px solid var(--gold);
  background: var(--gold-soft);
  box-shadow: 0 0 18px rgba(242, 183, 5, 0.55);
}
.mod-znaczki-mnozenie .zm-q {
  font-family: var(--font-num);
  font-size: calc(var(--zm-sz) * 0.85);
  font-weight: 700;
  color: #c4b9a4;
}
/* the zeros made by ×10 / ×100 are red (§3.4.3 "zero na czerwono") */
.mod-znaczki-mnozenie .mat-digit.zm-red0 {
  color: var(--m-hundreds) !important;
  text-shadow: 0 0 12px rgba(215, 38, 61, 0.35);
}
.mod-znaczki-mnozenie .zm-spark {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 14px;
  height: 14px;
  margin: -7px 0 0 -7px;
  border-radius: 50%;
  background: radial-gradient(circle, #fff7c2 0%, var(--gold) 60%, rgba(242, 183, 5, 0) 72%);
  pointer-events: none;
  animation: zm-spark 0.9s ease-out var(--d, 0s) forwards;
  opacity: 0;
}
/* the sparks stay inside the task band (the result box is ~84 px tall, centred in the 110 px band) */
@keyframes zm-spark {
  0% { opacity: 1; transform: rotate(var(--a)) translateX(10px) scale(0.6); }
  100% { opacity: 0; transform: rotate(var(--a)) translateX(42px) scale(1.15); }
}

/* "× 3 razy" — the multiplier as bags (not a button) */
.mod-znaczki-mnozenie .zm-pill {
  flex: none;
  display: flex;
  align-items: center;
  gap: 6px;
  height: 72px;
  padding: 0 18px 0 12px;
  border-radius: 36px;
  border: 3px solid var(--line);
  background: var(--panel);
  color: var(--ink);
  transition: background-color 0.25s, box-shadow 0.25s;
}
.mod-znaczki-mnozenie .zm-pill.is-amber {
  background: var(--err-soft);
  border-color: var(--err);
}
.mod-znaczki-mnozenie .zm-pill-x {
  font-family: var(--font-num);
  font-size: 30px;
  font-weight: 700;
  color: var(--ink-soft);
}
.mod-znaczki-mnozenie .zm-pill-n {
  font-family: var(--font-num);
  font-size: 42px;
  font-weight: 700;
  line-height: 1;
}
.mod-znaczki-mnozenie .zm-pill-w {
  font-family: var(--font);
  font-size: 24px;
  font-weight: 700;
  color: var(--ink-soft);
}

/* L3: fact card "3 · 4 = ?" (optional shortcut before a column slides) */
.mod-znaczki-mnozenie .zm-factbtn {
  flex: none;
  display: flex;
  align-items: center;
  gap: 8px;
  height: 80px;
  min-width: 200px;
  padding: 0 20px;
  border-radius: 22px;
  border: 3px dashed var(--gold-deep);
  background: var(--panel);
  color: var(--ink);
  font-family: var(--font-num);
  font-size: 40px;
  font-weight: 700;
  box-shadow: var(--shadow-sm);
  transition: transform 0.08s ease, box-shadow 0.2s, background-color 0.2s;
}
.mod-znaczki-mnozenie .zm-factbtn:active {
  transform: translateY(3px);
}
.mod-znaczki-mnozenie .zm-factbtn.is-editing {
  border-style: solid;
  border-color: var(--gold);
  box-shadow: 0 0 0 4px var(--gold-soft), 0 0 18px rgba(242, 183, 5, 0.5);
}
.mod-znaczki-mnozenie .zm-factbtn.is-done {
  border: 3px solid var(--gold);
  background: var(--gold-soft);
}
.mod-znaczki-mnozenie .zm-factbtn.is-err {
  border: 3px solid var(--err);
  background: var(--err-soft);
}
.mod-znaczki-mnozenie .zm-fact-s {
  color: var(--ink-soft);
}
.mod-znaczki-mnozenie .zm-fact-r {
  min-width: 56px;
  text-align: center;
}
.mod-znaczki-mnozenie .zm-fact-r.is-empty {
  color: #c4b9a4;
}
.mod-znaczki-mnozenie .zm-factpanel {
  position: absolute;
  top: 126px;
  width: 340px;
  height: 450px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 26px;
  background: var(--panel);
  box-shadow: inset 0 0 0 3px var(--line), 0 10px 0 rgba(42, 34, 56, 0.1), 0 16px 34px rgba(42, 34, 56, 0.28);
  z-index: 12;
  animation: pop-in 0.16s ease;
}

/* "Sprawdź dodawaniem" — after the task, next to the ear (§3.0.1 constant help places) */
.mod-znaczki-mnozenie .zm-proofbtn {
  flex: none;
  display: flex;
  align-items: center;
  gap: 10px;
  height: 76px;
  padding: 0 20px 0 14px;
  border: 3px solid var(--line);
  border-radius: 38px;
  background: var(--panel);
  color: var(--ink);
  font-family: var(--font);
  font-size: 22px;
  font-weight: 700;
  box-shadow: var(--shadow-sm);
  transition: transform 0.08s ease;
}
.mod-znaczki-mnozenie .zm-proofbtn .ico {
  color: var(--gold-deep);
}
.mod-znaczki-mnozenie .zm-proofbtn:active {
  transform: translateY(3px);
}

/* the proof card: b + b + … = product, like a column in a notebook */
.mod-znaczki-mnozenie .zm-proof {
  --zm-pf: 44px;
  position: absolute;
  left: 50%;
  top: 351px;
  transform: translate(-50%, -50%);
  max-height: 466px;
  padding: 18px 34px 20px 22px;
  border-radius: 24px;
  background-color: var(--panel);
  background-image:
    linear-gradient(rgba(35, 103, 201, 0.1) 1px, transparent 1px),
    linear-gradient(90deg, rgba(35, 103, 201, 0.1) 1px, transparent 1px);
  background-size: 24px 24px;
  box-shadow:
    inset 0 0 0 3px var(--gold),
    0 6px 0 rgba(42, 34, 56, 0.08),
    0 14px 30px rgba(42, 34, 56, 0.22);
  z-index: 14;
  cursor: pointer;
  animation: zm-fade 0.25s ease;
}
.mod-znaczki-mnozenie .zm-proof-grid {
  display: flex;
  flex-direction: column;
  align-items: stretch;
}
.mod-znaczki-mnozenie .zm-proof-row {
  display: grid;
  grid-template-columns: calc(var(--zm-pf) * 1.25) calc(var(--zm-pf) * 0.8) auto;
  align-items: center;
  height: calc(var(--zm-pf) * 1.18);
  opacity: 0;
  animation: zm-in 0.3s ease var(--d, 0s) forwards;
}
.mod-znaczki-mnozenie .zm-proof-bag {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 100%;
}
.mod-znaczki-mnozenie .zm-proof-bag span {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 9%;
  text-align: center;
  font-family: var(--font-num);
  font-size: calc(var(--zm-pf) * 0.48); /* the bag number stays readable (15–21 px) */
  font-weight: 700;
  color: #6b4f1d;
}
.mod-znaczki-mnozenie .zm-proof-sign {
  font-family: var(--font-num);
  font-size: calc(var(--zm-pf) * 0.95);
  font-weight: 700;
  color: var(--ink-soft);
  text-align: center;
}
.mod-znaczki-mnozenie .zm-proof-num {
  justify-self: end;
}
.mod-znaczki-mnozenie .zm-proof-line {
  height: 6px;
  margin: 6px 0 6px calc(var(--zm-pf) * 1.25);
  border-radius: 3px;
  background: var(--ink);
  opacity: 0;
  animation: zm-in 0.3s ease var(--d, 0s) forwards;
}
.mod-znaczki-mnozenie .zm-proof-row.is-sum .zm-proof-num {
  padding: 2px 8px;
  border-radius: 12px;
  background: var(--gold-soft);
  box-shadow: 0 0 14px rgba(242, 183, 5, 0.45);
}
@keyframes zm-in {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: none; }
}
@keyframes zm-fade {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* ---------- the stamp mats ---------- */

.mod-znaczki-mnozenie .zm-mat .mata-row-label {
  font-size: 30px;
}
/* phase change (bags laid out → the column work): the new mat fades in over the old one */
.mod-znaczki-mnozenie .mata.zm-enter {
  animation: zm-fade 0.32s ease;
}
.mod-znaczki-mnozenie .mata.zm-leave {
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
}

/* numbered bags on the row labels (woreczki „1.”, „2.”, „3.”) */
.mod-znaczki-mnozenie .mata-row-label.zm-bag {
  --zm-bag: 40px;
  left: 1px;
  width: var(--zm-bag);
  height: calc(var(--zm-bag) * 1.1);
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding-bottom: calc(var(--zm-bag) * 0.06);
  box-sizing: border-box;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 40 44'%3E%3Cpath d='M11 7 Q20 12 29 7 L26 14 Q37 20 36 31 Q35 42 20 42 Q5 42 4 31 Q3 20 14 14 Z' fill='%23e7c98c' stroke='%239c7633' stroke-width='2.2' stroke-linejoin='round'/%3E%3Cpath d='M13 14 Q20 17 27 14' fill='none' stroke='%239c7633' stroke-width='2.6' stroke-linecap='round'/%3E%3C/svg%3E") center / contain no-repeat;
  font-size: clamp(18px, calc(var(--zm-bag) * 0.5), 24px);
  letter-spacing: -1px;
  color: #5a4116;
  transition: opacity 0.25s, filter 0.25s;
}
.mod-znaczki-mnozenie .mata-row.zm-row-current .mata-row-label.zm-bag {
  filter: drop-shadow(0 0 6px rgba(242, 183, 5, 0.95));
}
.mod-znaczki-mnozenie .mata-row.zm-row-future .mata-row-label.zm-bag {
  opacity: 0.38;
  filter: grayscale(0.6);
}
.mod-znaczki-mnozenie .mata-row.zm-row-hidden .mata-row-label.zm-bag {
  visibility: hidden;
}
.mod-znaczki-mnozenie .mata-row.zm-row-ghost {
  background: rgba(240, 140, 46, 0.07);
}
.mod-znaczki-mnozenie .mata-row.zm-row-ghost .mata-row-label.zm-bag {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 40 44'%3E%3Cpath d='M11 7 Q20 12 29 7 L26 14 Q37 20 36 31 Q35 42 20 42 Q5 42 4 31 Q3 20 14 14 Z' fill='%23ffe9d4' stroke='%23f08c2e' stroke-width='2.4' stroke-dasharray='4 3' stroke-linejoin='round'/%3E%3C/svg%3E");
  color: var(--err);
  animation: zm-ghost 1.4s ease-in-out infinite;
}
@keyframes zm-ghost {
  50% { opacity: 0.55; }
}
.mod-znaczki-mnozenie .mata-row.zm-row-count .mata-row-label.zm-bag {
  filter: drop-shadow(0 0 8px rgba(242, 183, 5, 1)) brightness(1.08);
}

/* L4: the red zero in the empty column's window */
.mod-znaczki-mnozenie .mata-window.zm-zero .mata-window-digit {
  color: var(--m-hundreds);
  text-shadow: 0 0 10px rgba(215, 38, 61, 0.3);
}

/* L4: the "× 10" card on the left (where the bank stands in the other levels) */
.mod-znaczki-mnozenie .zm-timescard {
  position: absolute;
  left: 14px;
  top: 236px;
  width: 150px;
  height: 230px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  border-radius: 24px;
  background: linear-gradient(180deg, #fffaf0 0%, var(--gold-soft) 100%);
  box-shadow: inset 0 0 0 4px var(--gold), 0 6px 0 rgba(150, 105, 0, 0.18), 0 10px 22px rgba(42, 34, 56, 0.12);
  pointer-events: none;
}
.mod-znaczki-mnozenie .zm-timescard-x {
  font-family: var(--font-num);
  font-size: 64px;
  font-weight: 700;
  line-height: 1;
  color: var(--gold-deep);
}
.mod-znaczki-mnozenie .zm-timescard-n {
  font-family: var(--font-num);
  font-size: 64px;
  font-weight: 700;
  line-height: 1;
  color: var(--ink);
}

/* "4, 8, 12" — running totals at the bags while counting by d (FACT rung 2 / demo) */
.mod-znaczki-mnozenie .zm-skip {
  position: absolute;
  min-width: 48px;
  padding: 0 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  background: var(--gold);
  color: var(--ink);
  font-family: var(--font-num);
  font-weight: 700;
  box-shadow: 0 0 0 3px #fff, 0 4px 10px rgba(42, 34, 56, 0.3);
  pointer-events: none;
  z-index: 13;
  animation: pop-in 0.18s ease;
}

@media (prefers-reduced-motion: reduce) {
  .mod-znaczki-mnozenie .zm-spark,
  .mod-znaczki-mnozenie .mata-row.zm-row-ghost .mata-row-label.zm-bag {
    animation: none;
  }
  .mod-znaczki-mnozenie .zm-proof-row,
  .mod-znaczki-mnozenie .zm-proof-line {
    animation-duration: 0.15s;
  }
}