.tool-frame--utility .tool-header-block {
  max-width: 62ch;
  gap: 0.28rem;
}

.tool-frame--utility .page-title {
  font-size: clamp(2.8rem, 4.4vw, 3.45rem);
}

.tool-frame--utility .page-subtitle {
  max-width: 58ch;
  font-size: 1.12rem;
}

.tool-frame--utility .tool-header-meta {
  max-width: 58ch;
  font-size: 0.95rem;
  display: none;
}

.validator-tool {
  display: grid;
  gap: 1rem;
}

.validator-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.validator-language-toggle {
  display: inline-flex;
  gap: 0.3rem;
  padding: 0.26rem;
  border-radius: 999px;
  border: 1px solid rgba(97, 130, 188, 0.22);
  background:
    linear-gradient(135deg, rgba(255, 249, 240, 0.78), rgba(228, 236, 248, 0.74)),
    rgba(12, 18, 30, 0.92);
}

.validator-language-button {
  border: 0;
  border-radius: 999px;
  padding: 0.45rem 0.82rem;
  background: transparent;
  color: var(--color-text-secondary);
  font: inherit;
  font-weight: 700;
  cursor: pointer;
  transition: background-color 180ms ease, color 180ms ease, transform 180ms ease;
}

.validator-language-button:hover,
.validator-language-button:focus-visible {
  color: var(--color-text);
  background: rgba(103, 144, 214, 0.14);
  outline: none;
}

.validator-language-button.is-active {
  color: #f8fbff;
  background: linear-gradient(135deg, rgba(126, 176, 255, 0.94), rgba(79, 118, 210, 0.96));
  box-shadow: 0 10px 24px rgba(52, 110, 199, 0.24);
}

.validator-toolbar-note {
  margin: 0;
  color: var(--color-text-secondary);
  font-size: 0.95rem;
  display: none;
}

.validator-workbench {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.06fr) minmax(0, 0.94fr);
  overflow: hidden;
  border-radius: 1.6rem;
  border: 1px solid rgba(95, 119, 156, 0.2);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(249, 251, 255, 0.95)),
    linear-gradient(135deg, rgba(85, 119, 181, 0.08), rgba(198, 146, 93, 0.06));
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.72),
    0 28px 60px rgba(7, 12, 21, 0.18);
}

.validator-workbench::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 14px;
  background:
    linear-gradient(-45deg, var(--color-bg) 7px, transparent 0),
    linear-gradient(45deg, var(--color-bg) 7px, transparent 0);
  background-size: 14px 14px;
  background-repeat: repeat-x;
  z-index: 2;
}

.validator-panel {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: 0.62rem;
  min-height: 29rem;
  padding: 1rem 1.02rem 1.4rem;
}

.validator-panel--input {
  background:
    radial-gradient(circle at 1px 1px, rgba(153, 168, 195, 0.34) 1px, transparent 0),
    linear-gradient(180deg, rgba(249, 251, 255, 0.92), rgba(255, 255, 255, 0.98));
  background-size: 22px 22px, auto;
  border-right: 2px dashed rgba(200, 213, 229, 0.96);
}

.validator-panel--logic {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(247, 248, 252, 0.96)),
    linear-gradient(180deg, rgba(73, 116, 188, 0.04), rgba(187, 85, 55, 0.02));
}

.validator-panel__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.55rem;
}

.validator-panel__heading {
  display: grid;
  gap: 0.1rem;
}

.validator-panel__eyebrow {
  display: none;
}

.validator-panel__title {
  margin: 0;
  color: #122036;
  font-size: 1.14rem;
  line-height: 1.1;
}

.validator-panel__hint,
.validator-status-pill {
  display: inline-flex;
  align-items: center;
  min-height: 1.9rem;
  padding: 0.24rem 0.72rem;
  border-radius: 999px;
  border: 1px solid rgba(92, 121, 168, 0.18);
  background: rgba(255, 255, 255, 0.58);
  color: #536b8d;
  font-size: 0.82rem;
  font-weight: 700;
  white-space: nowrap;
}

.validator-status-pill[data-tone="idle"] {
  color: #536b8d;
}

.validator-status-pill[data-tone="ready"] {
  color: #305178;
  border-color: rgba(73, 120, 190, 0.25);
  background: rgba(105, 154, 233, 0.12);
}

.validator-status-pill[data-tone="pass"] {
  color: #18643a;
  border-color: rgba(44, 146, 84, 0.24);
  background: rgba(44, 146, 84, 0.14);
}

.validator-status-pill[data-tone="fail"] {
  color: #9a342a;
  border-color: rgba(201, 80, 60, 0.25);
  background: rgba(225, 88, 66, 0.12);
}

.validator-label,
.validator-sample-label,
.validator-footnote__label {
  margin: 0;
  font-size: 0.86rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  color: #274266;
}

.validator-input-wrap {
  position: relative;
  display: flex;
  align-items: stretch;
  overflow: hidden;
  min-height: 8.95rem;
  border-radius: 1.2rem;
  border: 2px solid rgba(208, 217, 231, 0.96);
  background: linear-gradient(180deg, rgba(247, 250, 255, 0.98), rgba(255, 255, 255, 0.98));
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.78);
}

.validator-input-badge {
  position: absolute;
  left: 0.9rem;
  top: 1rem;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  height: 1.7rem;
  padding: 0 0.56rem;
  border-radius: 999px;
  background: rgba(24, 42, 72, 0.08);
  color: #4a648b;
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.12em;
}

.validator-input {
  position: relative;
  width: 100%;
  min-height: 8.95rem;
  padding: 2.3rem 1rem 2.04rem 4.7rem;
  border: 0;
  background: transparent;
  color: #11233b;
  font-family: "IBM Plex Mono", "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: clamp(2.1rem, 4.8vw, 3.15rem);
  font-weight: 700;
  letter-spacing: 0.14em;
  text-align: center;
}

.validator-input:focus {
  outline: none;
}

.validator-input-wrap:focus-within {
  border-color: rgba(90, 138, 219, 0.92);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.78),
    0 0 0 4px rgba(90, 138, 219, 0.16);
}

.receipt-texture {
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(0deg, rgba(6, 18, 38, 0.08), rgba(6, 18, 38, 0.08) 1px, transparent 1px, transparent 18px);
  opacity: 0.2;
  pointer-events: none;
}

.validator-input-note,
.validator-footnote__text {
  margin: 0;
  color: #516784;
  font-size: 0.92rem;
  line-height: 1.45;
}

.validator-action-row {
  display: flex;
  gap: 0.72rem;
  flex-wrap: wrap;
}

.validator-action-row .button {
  min-width: 7rem;
}

.validator-action-row .button-primary {
  color: #10203a;
  border-color: rgba(85, 138, 220, 0.92);
  background: linear-gradient(135deg, rgba(121, 177, 255, 0.98), rgba(82, 145, 236, 0.98));
  box-shadow: 0 10px 24px rgba(69, 121, 207, 0.24);
}

.validator-action-row .button-primary:hover,
.validator-action-row .button-primary:focus-visible {
  color: #081122;
  border-color: rgba(62, 120, 207, 0.98);
  background: linear-gradient(135deg, rgba(136, 186, 255, 1), rgba(92, 154, 243, 1));
}

.validator-action-row .button-secondary {
  color: #314f78;
  border-color: rgba(120, 145, 184, 0.42);
  background: rgba(255, 255, 255, 0.78);
}

.validator-action-row .button-secondary:hover,
.validator-action-row .button-secondary:focus-visible {
  color: #1e3658;
  border-color: rgba(85, 126, 190, 0.5);
  background: rgba(233, 241, 252, 0.92);
}

.validator-sample-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.45rem;
}

.validator-sample-chip {
  border: 1px solid rgba(91, 122, 170, 0.18);
  border-radius: 999px;
  padding: 0.42rem 0.75rem;
  background: rgba(255, 255, 255, 0.7);
  color: #345177;
  font: inherit;
  font-size: 0.88rem;
  font-weight: 700;
  cursor: pointer;
  transition: transform 160ms ease, border-color 160ms ease, background-color 160ms ease;
}

.validator-sample-chip:hover,
.validator-sample-chip:focus-visible {
  outline: none;
  transform: translateY(-1px);
  border-color: rgba(78, 121, 194, 0.42);
  background: rgba(117, 156, 219, 0.13);
}

.validator-error {
  margin: 0;
  padding: 0.82rem 0.95rem;
  border-radius: 0.95rem;
  border: 1px solid rgba(206, 89, 69, 0.2);
  background: rgba(233, 91, 67, 0.1);
  color: #9e3325;
  font-weight: 700;
}

.validator-footnote {
  margin-top: auto;
  display: grid;
  gap: 0.28rem;
  padding-top: 0.72rem;
  border-top: 1px dashed rgba(147, 164, 188, 0.6);
}

.ladder-container {
  display: grid;
  gap: 0.44rem;
  min-height: 18.5rem;
  padding: 0.95rem;
  border-radius: 1.1rem;
  border: 1px solid rgba(214, 221, 233, 0.95);
  background:
    linear-gradient(180deg, rgba(248, 250, 253, 0.98), rgba(255, 255, 255, 0.99)),
    linear-gradient(180deg, rgba(121, 145, 188, 0.05), rgba(193, 102, 73, 0.03));
  color: #13253d;
  font-family: "IBM Plex Mono", "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

.empty-hint {
  margin: 0;
  color: #60738e;
  line-height: 1.55;
}

.ladder-header,
.ladder-row {
  display: grid;
  grid-template-columns: minmax(2.5rem, auto) minmax(5.8rem, auto) minmax(4.8rem, auto) minmax(4rem, auto);
  align-items: center;
  gap: 0.75rem;
}

.ladder-header {
  padding-bottom: 0.5rem;
  border-bottom: 1px solid rgba(208, 217, 230, 0.9);
  color: #59708f;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.ladder-row {
  padding: 0.42rem 0;
  border-bottom: 1px dashed rgba(204, 214, 228, 0.9);
  opacity: 0;
  transform: translateX(-10px);
}

.ladder-row.is-visible {
  animation: ladderSlideIn 280ms ease forwards;
}

.ladder-row--total {
  padding-top: 0.7rem;
  margin-top: 0.16rem;
  border-bottom: 0;
  font-weight: 700;
  color: #11233b;
}

.ladder-row--special {
  grid-template-columns: minmax(3.6rem, auto) minmax(0, 1fr);
  align-items: start;
}

.ladder-cell--sum {
  justify-self: end;
  font-weight: 700;
}

.ladder-cell--note {
  justify-self: start;
  color: #4d637e;
  font-weight: 600;
  line-height: 1.45;
}

.result-summary {
  display: flex;
  gap: 0.78rem;
  align-items: flex-start;
  margin-top: auto;
  padding: 0.9rem 0.95rem;
  border-radius: 1.1rem;
  border: 1px solid rgba(208, 217, 231, 0.95);
  background: rgba(249, 251, 255, 0.96);
}

.result-summary[data-tone="pass"] {
  border-color: rgba(58, 162, 92, 0.24);
  background: rgba(58, 162, 92, 0.1);
}

.result-summary[data-tone="fail"] {
  border-color: rgba(212, 88, 67, 0.24);
  background: rgba(226, 95, 73, 0.1);
}

.result-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 3.1rem;
  min-height: 3.1rem;
  border-radius: 1rem;
  background: rgba(18, 35, 59, 0.08);
  color: #13314f;
  font-size: 0.92rem;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.result-summary[data-tone="pass"] .result-badge {
  background: rgba(42, 148, 79, 0.16);
  color: #17643a;
}

.result-summary[data-tone="fail"] .result-badge {
  background: rgba(220, 87, 64, 0.16);
  color: #a23629;
}

.result-copy {
  display: grid;
  gap: 0.2rem;
}

.result-title,
.result-text {
  margin: 0;
}

.result-title {
  color: #12233d;
  font-size: 1rem;
  font-weight: 800;
}

.result-text {
  color: #455b7b;
  line-height: 1.5;
}

.results-layer {
  position: absolute;
  inset: 0;
  display: none;
  place-items: center;
  pointer-events: none;
  opacity: 0;
  z-index: 3;
}

.results-layer.active {
  display: grid;
  opacity: 1;
}

.stamp {
  padding: 0.7rem 1.45rem;
  border: 7px solid currentColor;
  border-radius: 1rem;
  background: rgba(255, 255, 255, 0.95);
  box-shadow: 0 18px 36px rgba(12, 20, 34, 0.12);
  color: #2ea24f;
  font-size: clamp(2rem, 7vw, 3.2rem);
  font-weight: 900;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  opacity: 0;
  transform: translateY(-1.5rem) rotate(-16deg) scale(1.16);
}

.stamp--valid {
  color: #2ea24f;
}

.stamp--invalid {
  color: #d14f3c;
}

.results-layer.active .stamp {
  animation: stampDrop 430ms cubic-bezier(0.16, 0.9, 0.24, 1) forwards;
}

.is-hidden {
  display: none !important;
}

@keyframes stampDrop {
  0% {
    opacity: 0;
    transform: translateY(-1.8rem) rotate(-18deg) scale(1.18);
  }

  70% {
    opacity: 0.9;
    transform: translateY(0.2rem) rotate(-13deg) scale(0.98);
  }

  100% {
    opacity: 0.86;
    transform: translateY(0) rotate(-15deg) scale(1);
  }
}

@keyframes ladderSlideIn {
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@media (max-width: 720px) {
  .validator-footnote {
    display: none;
  }

  .validator-workbench {
    grid-template-columns: 1fr;
  }

  .validator-panel {
    min-height: 0;
    gap: 0.72rem;
  }

  .validator-panel--input {
    border-right: 0;
    border-bottom: 2px dashed rgba(200, 213, 229, 0.96);
  }
}

@media (max-width: 640px) {
  .uniform-invoice-validator-page .tool-shell {
    padding: 0.82rem;
  }

  .tool-frame--utility .page-title {
    font-size: clamp(2.16rem, 9.2vw, 2.58rem);
    line-height: 1.02;
  }

  .tool-frame--utility .page-subtitle {
    font-size: 0.93rem;
  }

  .tool-frame--utility .tool-header-meta,
  .validator-input-note {
    display: none;
  }

  .validator-toolbar {
    align-items: stretch;
  }

  .validator-language-toggle {
    width: fit-content;
  }

  .validator-toolbar-note {
    font-size: 0.9rem;
  }

  .validator-panel {
    padding: 0.92rem 0.92rem 1.22rem;
  }

  .validator-label {
    display: none;
  }

  .validator-input-wrap {
    min-height: 7rem;
  }

  .validator-input {
    min-height: 7rem;
    padding: 1.62rem 0.8rem 1.42rem 4rem;
    font-size: clamp(1.55rem, 9vw, 2.05rem);
  }

  .validator-action-row .button {
    flex: 1 1 0;
    min-width: 0;
    width: auto;
  }

  .ladder-header,
  .ladder-row {
    grid-template-columns: minmax(2.2rem, auto) minmax(4.8rem, auto) minmax(4.2rem, auto) minmax(3.5rem, auto);
    gap: 0.48rem;
    font-size: 0.88rem;
  }

  .ladder-row--special {
    grid-template-columns: minmax(3.2rem, auto) minmax(0, 1fr);
  }

  .stamp {
    font-size: clamp(1.7rem, 10vw, 2.4rem);
    letter-spacing: 0.16em;
  }
}

@media (prefers-reduced-motion: reduce) {
  .validator-language-button,
  .validator-sample-chip,
  .stamp,
  .ladder-row {
    transition: none;
    animation: none !important;
  }

  .ladder-row {
    opacity: 1;
    transform: none;
  }

  .results-layer {
    opacity: 1;
  }

  .results-layer.active .stamp {
    opacity: 0.86;
    transform: translateY(0) rotate(-15deg) scale(1);
  }
}