@font-face {
  font-family: "Forge League Gothic";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("assets/v4/fonts/league-gothic/league-gothic-400-variable-width.woff2") format("woff2-variations");
}

.forge-page {
  --forge-canvas: var(--s-arsenal-canvas);
  --forge-panel: var(--s-arsenal-panel);
  --forge-ink: var(--s-archive-fg);
  --forge-muted: var(--s-archive-muted);
  --forge-rule: var(--s-rule-on-paper);
  --forge-rule-soft: var(--s-rule-on-paper-soft);
  --forge-action: var(--s-authority);
  --forge-action-hover: var(--s-authority-bright);
  --forge-signal: var(--s-signal);
  --forge-depth: var(--p-shadow-hard);
  background: var(--paper);
  color: var(--on-paper);
}

.forge-shell {
  width: min(100%, 1560px);
  min-height: calc(100svh - var(--masthead-height));
  margin-inline: auto;
  padding: clamp(28px, 4vw, 64px) var(--pad) clamp(72px, 8vw, 120px);
  background: var(--paper);
}

.forge-intro {
  padding-bottom: clamp(24px, 3vw, 42px);
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: end;
  gap: var(--p-space-8);
  border-bottom: var(--p-line-heavy, 4px) solid var(--ink);
}

.forge-intro .section-code {
  margin-bottom: var(--p-space-3);
}

.forge-intro h1 {
  max-width: 980px;
  margin: 0;
  font: 400 clamp(58px, 8.4vw, 126px) / 0.82 "Forge League Gothic", var(--font-display);
  letter-spacing: 0.005em;
  text-wrap: balance;
}

.forge-intro h1 span {
  display: block;
  margin-top: var(--p-space-4);
  font: 500 clamp(21px, 2.1vw, 34px) / 1.05 var(--font-jp);
  letter-spacing: 0.08em;
}

.forge-doctrine {
  max-width: 780px;
  margin: var(--p-space-5) 0 0;
  color: var(--forge-ink);
  font: 400 clamp(17px, 1.45vw, 22px) / 1.4 var(--font-editorial);
  font-style: italic;
}

.forge-doctrine span {
  display: inline-block;
  margin-left: var(--p-space-2);
  color: var(--forge-muted);
  font: 500 0.72em / 1.5 var(--font-jp);
  font-style: normal;
  letter-spacing: 0.04em;
}

.forge-counter {
  width: 178px;
  min-height: 118px;
  margin: 0 6px 8px 0;
  padding: var(--p-space-4);
  display: grid;
  grid-template-columns: 1fr auto;
  align-content: space-between;
  gap: var(--p-space-1) var(--p-space-3);
  border: 1px solid var(--forge-rule);
  border-top: 5px solid var(--forge-signal);
  background: var(--forge-action);
  color: var(--warm-white);
  box-shadow: var(--forge-depth);
}

.forge-counter span,
.forge-counter small {
  display: block;
}

.forge-counter span {
  font-size: 14px;
  letter-spacing: 0.08em;
}

.forge-counter small {
  color: var(--on-dark-muted);
  font: 600 11px / 1.2 var(--font-mono);
  letter-spacing: 0.08em;
}

.forge-counter strong {
  grid-row: 1 / 3;
  grid-column: 2;
  align-self: center;
  color: var(--warm-white);
  font: 400 56px / 0.8 "Forge League Gothic", var(--font-display);
  font-variant-numeric: tabular-nums;
}

.forge-workbench {
  padding-top: clamp(30px, 4vw, 56px);
  display: grid;
  grid-template-columns: minmax(0, 1.28fr) minmax(380px, 0.72fr);
  align-items: start;
  gap: clamp(24px, 3vw, 48px);
}

.forge-preview,
.forge-console,
.forge-panel {
  min-width: 0;
}

.forge-preview {
  position: sticky;
  top: calc(var(--masthead-height) + var(--p-space-4));
}

.forge-panel-heading {
  margin-bottom: var(--p-space-4);
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: var(--p-space-5);
}

.forge-panel-heading .section-code {
  margin-bottom: var(--p-space-2);
}

.forge-panel-heading h2 {
  margin: 0;
  font: 400 clamp(38px, 4.2vw, 66px) / 0.86 "Forge League Gothic", var(--font-display);
  letter-spacing: 0.01em;
}

.forge-panel-heading h2 span {
  display: inline-block;
  margin-left: var(--p-space-2);
  font: 500 0.34em / 1 var(--font-jp);
  letter-spacing: 0.07em;
  vertical-align: 0.35em;
}

.forge-selection {
  max-width: 280px;
  margin: 0;
  padding-left: var(--p-space-3);
  border-left: 3px solid var(--forge-signal);
  color: var(--forge-muted);
  font: 600 11px / 1.45 var(--font-mono);
  letter-spacing: 0.07em;
  text-align: right;
  overflow-wrap: anywhere;
}

.forge-canvas-bed {
  position: relative;
  min-height: 280px;
  padding: clamp(10px, 1.5vw, 18px);
  display: grid;
  place-items: center;
  overflow: hidden;
  border: 1px solid var(--forge-rule);
  border-top: 6px solid var(--forge-signal);
  background: var(--forge-canvas);
  box-shadow: var(--forge-depth);
  isolation: isolate;
}

.forge-canvas-bed::before,
.forge-canvas-bed::after {
  position: absolute;
  z-index: -1;
  background: var(--white-line-soft);
  content: "";
}

.forge-canvas-bed::before {
  top: 50%;
  right: 0;
  left: 0;
  height: 1px;
}

.forge-canvas-bed::after {
  top: 0;
  bottom: 0;
  left: 50%;
  width: 1px;
}

#forge-canvas {
  width: auto;
  height: auto;
  max-width: 100%;
  max-height: calc(100svh - var(--masthead-height) - 250px);
  display: block;
  background: var(--ink-soft);
  outline: 1px solid rgb(255 255 255 / 18%);
  outline-offset: -1px;
  box-shadow: 0 0 0 1px var(--ink), 12px 12px 0 rgb(0 0 0 / 32%);
}

.forge-bed-code {
  position: absolute;
  right: clamp(10px, 1.5vw, 18px);
  bottom: clamp(10px, 1.5vw, 18px);
  padding: var(--p-space-1) var(--p-space-2);
  border: 1px solid var(--white-line);
  background: rgb(9 11 15 / 88%);
  color: var(--on-dark-muted);
  font: 600 11px / 1.2 var(--font-mono);
  letter-spacing: 0.08em;
  pointer-events: none;
}

.forge-canvas-note {
  margin: var(--p-space-4) 0 0;
  padding-top: var(--p-space-3);
  border-top: 1px solid var(--forge-rule-soft);
  color: var(--forge-muted);
  font: 500 11px / 1.5 var(--font-mono);
  letter-spacing: 0.035em;
}

.forge-canvas-note [lang="ja"] {
  margin-right: var(--p-space-2);
  color: var(--forge-ink);
  font-family: var(--font-jp);
}

.forge-console {
  display: flex;
  flex-direction: column;
  gap: var(--p-space-6);
}

.forge-panel {
  border: 1px solid var(--forge-rule);
  background: var(--forge-panel);
  box-shadow: var(--forge-depth);
}

section.forge-panel {
  padding: clamp(18px, 2vw, 26px);
}

.forge-panel-heading--compact {
  padding-bottom: var(--p-space-4);
  border-bottom: 3px solid var(--forge-ink);
}

.forge-panel-heading--compact h2 {
  font-size: clamp(32px, 3vw, 44px);
}

.forge-fields {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--p-space-2);
}

.forge-fields label {
  margin-top: var(--p-space-3);
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--p-space-3);
  color: var(--forge-ink);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.06em;
}

.forge-fields label small {
  color: var(--forge-muted);
  font: 600 11px / 1.2 var(--font-mono);
  letter-spacing: 0.08em;
}

.forge-fields textarea {
  width: 100%;
  min-height: 74px;
  padding: 12px 14px;
  resize: vertical;
  border: 1px solid var(--forge-rule);
  border-left: 5px solid var(--forge-action);
  border-radius: 0;
  background: var(--p-paper-50);
  color: var(--forge-ink);
  box-shadow: inset 0 2px 0 var(--forge-rule-soft);
  font: 400 16px / 1.35 var(--font-mono);
  caret-color: var(--forge-signal);
}

.forge-fields textarea::placeholder {
  color: var(--forge-muted);
  opacity: 0.7;
}

.forge-fields textarea:focus-visible {
  border-left-color: var(--forge-signal);
}

.forge-preset-bar {
  margin-top: var(--p-space-5);
  display: grid;
  grid-template-columns: minmax(136px, auto) minmax(0, 1fr);
  align-items: stretch;
  border-top: 1px solid var(--forge-rule-soft);
  padding-top: var(--p-space-4);
}

.forge-preset-bar button,
.forge-actions button,
.forge-actions a {
  min-height: var(--control-target);
  border: 1px solid var(--forge-rule);
  border-radius: 0;
  cursor: pointer;
  text-decoration: none;
}

.forge-preset-bar button {
  padding: var(--p-space-2) var(--p-space-4);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  background: var(--forge-action);
  color: var(--warm-white);
}

.forge-preset-bar button span,
.forge-preset-bar button small,
.forge-actions span,
.forge-actions small {
  display: block;
}

.forge-preset-bar button span,
.forge-actions span {
  font-size: 13px;
  line-height: 1.1;
  letter-spacing: 0.05em;
}

.forge-preset-bar button small,
.forge-actions small {
  margin-top: var(--p-space-1);
  font: 600 11px / 1.15 var(--font-mono);
  letter-spacing: 0.08em;
}

.forge-preset-bar p {
  min-width: 0;
  margin: 0;
  padding: var(--p-space-3) var(--p-space-4);
  display: flex;
  align-items: center;
  border: 1px solid var(--forge-rule-soft);
  border-left: 0;
  color: var(--forge-muted);
  font: 600 11px / 1.4 var(--font-mono);
  overflow-wrap: anywhere;
}

.forge-asset-picker > summary {
  min-height: 70px;
  padding: var(--p-space-3) var(--p-space-5);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--p-space-4);
  border-top: 5px solid var(--forge-signal);
  cursor: pointer;
  list-style: none;
}

.forge-asset-picker > summary::-webkit-details-marker {
  display: none;
}

.forge-asset-picker > summary > span,
.forge-asset-picker > summary b,
.forge-asset-picker > summary small {
  display: block;
}

.forge-asset-picker > summary b {
  font-size: 16px;
  font-weight: 500;
  letter-spacing: 0.08em;
}

.forge-asset-picker > summary small {
  margin-top: var(--p-space-1);
  color: var(--forge-muted);
  font: 600 11px / 1.2 var(--font-mono);
  letter-spacing: 0.08em;
}

.forge-asset-picker > summary > strong {
  display: flex;
  align-items: center;
  gap: var(--p-space-3);
  color: var(--forge-action);
  font: 400 38px / 1 "Forge League Gothic", var(--font-display);
  font-variant-numeric: tabular-nums;
}

.forge-asset-picker > summary > strong::after {
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  border: 1px solid var(--forge-rule);
  color: var(--forge-signal);
  font: 400 25px / 1 var(--font-mono);
  content: "+";
}

.forge-asset-picker[open] > summary > strong::after {
  content: "−";
}

.forge-picker-body {
  padding: 0 var(--p-space-5) var(--p-space-5);
  border-top: 1px solid var(--forge-rule-soft);
}

.forge-group-tabs {
  padding: var(--p-space-4) 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--forge-rule);
}

.forge-group-tabs button {
  min-height: 54px;
  padding: var(--p-space-2) var(--p-space-3);
  border: 0;
  border-radius: 0;
  background: var(--p-paper-50);
  color: var(--forge-muted);
  cursor: pointer;
  text-align: left;
}

.forge-group-tabs button span,
.forge-group-tabs button small {
  display: block;
}

.forge-group-tabs button span {
  color: var(--forge-ink);
  font-size: 13px;
  letter-spacing: 0.06em;
}

.forge-group-tabs button small {
  margin-top: var(--p-space-1);
  font: 600 11px / 1.2 var(--font-mono);
  letter-spacing: 0.06em;
}

.forge-group-tabs button[aria-selected="true"] {
  background: var(--forge-action);
  color: var(--on-dark-muted);
  box-shadow: inset 4px 0 0 var(--forge-signal);
}

.forge-group-tabs button[aria-selected="true"] span {
  color: var(--warm-white);
}

.forge-asset-grid {
  max-height: min(43vh, 420px);
  padding: var(--p-space-2);
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--p-space-2);
  overflow: auto;
  overscroll-behavior: contain;
  border: 1px solid var(--forge-rule);
  background: var(--p-paper-100);
  scrollbar-color: var(--forge-action) var(--p-paper-100);
}

.forge-asset-button {
  position: relative;
  min-width: 0;
  min-height: 78px;
  padding: 0;
  overflow: hidden;
  border: 1px solid var(--forge-rule-soft);
  border-radius: 0;
  background: var(--ink-soft);
  color: var(--warm-white);
  cursor: pointer;
}

.forge-asset-button img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  outline: 1px solid rgb(255 255 255 / 10%);
  outline-offset: -1px;
}

.forge-asset-button span {
  padding: 5px 6px;
  display: block;
  overflow: hidden;
  color: var(--on-dark-muted);
  font: 600 11px / 1.2 var(--font-mono);
  letter-spacing: 0.03em;
  text-align: left;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.forge-asset-button[aria-pressed="true"] {
  border-color: var(--forge-signal);
  box-shadow: 0 0 0 3px var(--forge-signal);
}

.forge-asset-button[aria-pressed="true"]::after {
  position: absolute;
  top: 5px;
  right: 5px;
  padding: 3px 5px;
  background: var(--forge-signal);
  color: white;
  font: 600 11px / 1 var(--font-mono);
  letter-spacing: 0.05em;
  content: "SELECTED";
}

.forge-asset-status {
  min-height: 34px;
  margin: var(--p-space-3) 0 0;
  padding-left: var(--p-space-3);
  border-left: 3px solid var(--forge-signal);
  color: var(--forge-muted);
  font: 600 11px / 1.5 var(--font-mono);
  letter-spacing: 0.05em;
}

.forge-action-panel {
  border-top: 5px solid var(--forge-signal);
}

.forge-actions {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--p-space-2);
}

.forge-actions button,
.forge-actions a {
  padding: var(--p-space-3) var(--p-space-4);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  background: var(--p-paper-50);
  color: var(--forge-ink);
  text-align: left;
}

.forge-actions .forge-export {
  grid-column: 1 / -1;
  min-height: 62px;
  border-color: var(--forge-action);
  background: var(--forge-action);
  color: var(--warm-white);
  box-shadow: 4px 4px 0 var(--forge-signal);
}

.forge-actions button:disabled {
  cursor: wait;
  opacity: 0.58;
}

.forge-actions [hidden] {
  display: none;
}

.forge-local-oath {
  margin: var(--p-space-5) 0 0;
  padding-top: var(--p-space-4);
  border-top: 1px solid var(--forge-rule-soft);
  color: var(--forge-muted);
  font: 600 11px / 1.55 var(--font-mono);
  letter-spacing: 0.04em;
}

.forge-local-oath [lang="ja"] {
  display: block;
  margin-bottom: var(--p-space-1);
  color: var(--forge-ink);
  font-family: var(--font-jp);
}

.forge-status {
  min-height: 22px;
  margin: var(--p-space-3) 0 0;
  color: var(--forge-signal);
  font: 600 11px / 1.45 var(--font-mono);
  letter-spacing: 0.05em;
}

@media (hover: hover) and (pointer: fine) {
  .forge-group-tabs button:hover,
  .forge-actions button:hover,
  .forge-actions a:hover {
    border-color: var(--forge-signal);
    background: var(--p-paper-100);
  }

  .forge-group-tabs button[aria-selected="true"]:hover,
  .forge-actions .forge-export:hover,
  .forge-preset-bar button:hover {
    background: var(--forge-action-hover);
    color: var(--warm-white);
  }

  .forge-asset-button:hover {
    border-color: var(--forge-signal);
  }
}

@media (prefers-reduced-motion: no-preference) {
  .forge-actions .forge-export,
  .forge-preset-bar button,
  .forge-asset-button {
    transition: transform var(--p-time-control) var(--p-ease-mechanical);
  }
}

@media (prefers-reduced-motion: no-preference) and (hover: hover) and (pointer: fine) {
  .forge-actions .forge-export:hover,
  .forge-preset-bar button:hover,
  .forge-asset-button:hover {
    transform: translate(-1px, -2px);
  }
}

@media (max-width: 1040px) {
  .forge-workbench {
    grid-template-columns: minmax(0, 1.1fr) minmax(350px, 0.9fr);
    gap: var(--p-space-6);
  }

  .forge-intro h1 {
    font-size: clamp(58px, 9vw, 92px);
  }

  .forge-asset-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 760px) {
  .forge-shell {
    padding-top: var(--p-space-8);
    padding-bottom: var(--p-space-20);
    background: var(--paper);
  }

  .forge-intro {
    grid-template-columns: minmax(0, 1fr);
    gap: var(--p-space-5);
  }

  .forge-intro h1 {
    font-size: clamp(52px, 17vw, 76px);
    line-height: 0.85;
  }

  .forge-intro h1 span {
    font-size: clamp(19px, 6vw, 26px);
  }

  .forge-doctrine {
    margin-top: var(--p-space-4);
    font-size: 17px;
  }

  .forge-doctrine span {
    margin: var(--p-space-2) 0 0;
    display: block;
    font-size: 12px;
  }

  .forge-counter {
    width: 100%;
    min-height: 78px;
    margin: 0;
    grid-template-columns: minmax(0, 1fr) auto;
  }

  .forge-counter strong {
    font-size: 46px;
  }

  .forge-workbench {
    padding-top: var(--p-space-8);
    grid-template-columns: minmax(0, 1fr);
    gap: var(--p-space-8);
  }

  .forge-preview {
    position: static;
  }

  .forge-panel-heading {
    align-items: start;
    flex-direction: column;
    gap: var(--p-space-3);
  }

  .forge-panel-heading h2 {
    font-size: clamp(38px, 12vw, 54px);
  }

  .forge-panel-heading h2 span {
    display: block;
    margin: var(--p-space-2) 0 0;
    font-size: 16px;
    vertical-align: baseline;
  }

  .forge-selection {
    max-width: none;
    text-align: left;
  }

  .forge-canvas-bed {
    min-height: 0;
    padding: var(--p-space-2);
  }

  #forge-canvas {
    width: 100%;
    max-height: none;
    box-shadow: 6px 6px 0 rgb(0 0 0 / 32%);
  }

  .forge-bed-code {
    right: var(--p-space-2);
    bottom: var(--p-space-2);
  }

  .forge-panel-heading--compact {
    display: block;
  }

  .forge-fields label {
    align-items: flex-start;
    flex-direction: column;
    gap: var(--p-space-1);
  }

  .forge-fields textarea {
    min-height: 82px;
    font-size: 16px;
  }

  .forge-preset-bar {
    grid-template-columns: minmax(0, 1fr);
  }

  .forge-preset-bar button {
    align-items: center;
    text-align: center;
  }

  .forge-preset-bar p {
    min-height: var(--control-target);
    border-left: 1px solid var(--forge-rule-soft);
    border-top: 0;
  }

  .forge-asset-picker > summary {
    min-height: 72px;
    padding-inline: var(--p-space-4);
  }

  .forge-picker-body {
    padding-inline: var(--p-space-4);
  }

  .forge-asset-grid {
    max-height: 56vh;
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .forge-actions button,
  .forge-actions a {
    min-height: 54px;
  }
}

@media (max-width: 360px) {
  .forge-shell {
    padding-top: var(--p-space-4);
  }

  .forge-intro {
    padding-bottom: var(--p-space-3);
    gap: var(--p-space-2);
  }

  .forge-intro .section-code {
    margin-bottom: var(--p-space-2);
  }

  .forge-intro h1 {
    font-size: 46px;
  }

  .forge-intro h1 span {
    margin-top: var(--p-space-2);
    font-size: 18px;
  }

  .forge-doctrine {
    margin-top: var(--p-space-3);
    font-size: 16px;
    line-height: 1.3;
  }

  .forge-doctrine span {
    display: none;
  }

  .forge-counter {
    min-height: 52px;
    padding: var(--p-space-2) var(--p-space-3);
  }

  .forge-counter strong {
    font-size: 38px;
  }

  .forge-workbench {
    padding-top: var(--p-space-4);
    gap: var(--p-space-6);
  }

  .forge-panel-heading {
    margin-bottom: var(--p-space-2);
    gap: var(--p-space-1);
  }

  .forge-panel-heading h2 {
    font-size: 36px;
  }

  .forge-panel-heading h2 span {
    margin-top: var(--p-space-1);
    font-size: 14px;
  }

  .forge-group-tabs,
  .forge-actions {
    grid-template-columns: minmax(0, 1fr);
  }

  .forge-actions .forge-export {
    grid-column: auto;
  }

  .forge-asset-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}