:root {
  color-scheme: dark;
  --ink: #171310;
  --ink-deep: #100d0b;
  --panel: #211a16;
  --panel-raised: #2a211b;
  --panel-soft: #30251e;
  --inset: #181310;
  --field: #15110f;
  --line: #4c392b;
  --line-soft: #332820;
  --line-bright: #7e5b3b;
  --paper: #ead9b8;
  --paper-strong: #f4e3bf;
  --muted: #b09a7c;
  --muted-dim: #806f5b;
  --bronze: #bd8150;
  --bronze-light: #daa46e;
  --success: #a5c577;
  --danger: #df8d72;
  --focus: #e0ad72;
  --body-font: "Trebuchet MS", "Segoe UI", sans-serif;
  --ui-font: "Segoe UI", "Trebuchet MS", Arial, sans-serif;
  --display-font: Georgia, "Times New Roman", serif;
  --mono-font: "Cascadia Code", Consolas, "Courier New", monospace;
  --content-width: 1120px;
  --gutter: clamp(14px, 3vw, 32px);
  --section-pad: clamp(16px, 2.4vw, 26px);
  --control-height: 46px;
  --composition-track-height: 64px;
  --shadow: 0 12px 32px rgba(0, 0, 0, 0.24);
}

* {
  box-sizing: border-box;
}

html {
  min-width: 0;
  overflow-x: hidden;
  background: var(--ink-deep);
  scroll-behavior: smooth;
  scrollbar-gutter: stable;
}

body {
  min-width: 0;
  min-height: 100vh;
  min-height: 100dvh;
  margin: 0;
  overflow-x: hidden;
  color: var(--paper);
  background:
    linear-gradient(rgba(75, 55, 42, 0.15) 1px, transparent 1px),
    linear-gradient(90deg, rgba(75, 55, 42, 0.12) 1px, transparent 1px),
    radial-gradient(circle at 82% 6%, rgba(118, 72, 39, 0.17), transparent 34rem),
    var(--ink);
  background-size: 32px 32px, 32px 32px, auto, auto;
  font: 14px/1.45 var(--body-font);
  letter-spacing: 0.01em;
}

body::after {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  content: "";
  opacity: 0.15;
  background-image: radial-gradient(rgba(244, 222, 182, 0.16) 0.65px, transparent 0.7px);
  background-size: 5px 5px;
}

button,
input,
select {
  font: inherit;
}

button,
select {
  color: inherit;
}

button {
  border-radius: 0;
  cursor: pointer;
}

button,
select {
  -webkit-tap-highlight-color: transparent;
}

button:focus-visible,
input:focus-visible,
select:focus-visible,
a:focus-visible,
.composition-handle:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 3px;
}

[hidden] {
  display: none !important;
}

.sr-only {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

.icon {
  display: inline-block;
  flex: 0 0 auto;
  width: 18px;
  height: 18px;
  vertical-align: middle;
}

#app,
.site-frame {
  width: 100%;
  min-width: 0;
  min-height: 100vh;
  min-height: 100dvh;
}

.site-frame {
  display: flex;
  flex-direction: column;
}

.topbar {
  display: grid;
  grid-template-columns: minmax(240px, 1fr) auto minmax(160px, 1fr);
  align-items: center;
  min-height: 70px;
  padding: 9px max(var(--gutter), calc((100vw - var(--content-width)) / 2));
  background: rgba(31, 25, 21, 0.97);
  border-bottom: 1px solid var(--line-bright);
  box-shadow: 0 6px 22px rgba(0, 0, 0, 0.18);
}

.brand-lockup {
  display: flex;
  align-items: center;
  min-width: 0;
  gap: 12px;
}

.brand-mark {
  display: grid;
  flex: 0 0 44px;
  width: 44px;
  height: 44px;
  place-items: center;
}

.brand-logo {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  image-rendering: pixelated;
}

.brand-name {
  overflow: hidden;
  color: var(--paper-strong);
  font: 700 clamp(17px, 1.8vw, 22px)/1.05 var(--display-font);
  letter-spacing: 0.035em;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.brand-sub {
  margin-top: 4px;
  overflow: hidden;
  color: var(--bronze-light);
  font: 10px/1.1 var(--mono-font);
  letter-spacing: 0.12em;
  text-overflow: ellipsis;
  text-transform: uppercase;
  white-space: nowrap;
}

.site-nav {
  display: flex;
  align-items: stretch;
  justify-content: center;
  gap: 3px;
}

.site-nav-link,
.language-button {
  display: inline-flex;
  min-height: 42px;
  align-items: center;
  justify-content: center;
  color: var(--muted);
  background: transparent;
  border: 1px solid transparent;
  font: 10px/1 var(--mono-font);
  letter-spacing: 0.08em;
  text-decoration: none;
  text-transform: uppercase;
  transition: color 150ms ease, background 150ms ease, border-color 150ms ease;
}

.site-nav-link {
  padding: 0 14px;
}

.site-nav-link:hover,
.language-button:hover {
  color: var(--paper-strong);
  background: rgba(189, 129, 80, 0.08);
  border-color: var(--line);
}

.site-nav-link.is-active,
.language-button.is-active {
  color: var(--paper-strong);
  background: var(--panel-soft);
  border-color: var(--line-bright);
  box-shadow: inset 0 -2px var(--bronze-light);
}

.language-switcher {
  display: flex;
  justify-self: end;
  align-items: center;
  gap: 0;
  border: 1px solid var(--line-soft);
}

.language-button {
  position: relative;
  z-index: 0;
  box-sizing: border-box;
  min-width: 44px;
  padding: 0 9px;
  border-color: transparent;
}

.language-button + .language-button {
  border-left: 1px solid var(--line);
}

.site-content {
  display: flex;
  width: min(100%, calc(var(--content-width) + 2 * var(--gutter)));
  min-width: 0;
  flex: 1 0 auto;
  flex-direction: column;
  margin: 0 auto;
  padding: 28px var(--gutter) 18px;
}

.workspace,
.workbench-column {
  width: 100%;
  min-width: 0;
}

.workbench-column {
  overflow: hidden;
  background: rgba(28, 22, 19, 0.94);
  border: 1px solid var(--line);
  border-top: 2px solid var(--bronze);
  box-shadow: var(--shadow);
}

.panel {
  min-width: 0;
  background: transparent;
}

.workbench-column > .panel + .panel {
  border-top: 1px solid var(--line);
}

.panel-heading,
.result-panel-header {
  display: flex;
  min-width: 0;
  align-items: end;
  justify-content: space-between;
  gap: 18px;
}

.panel-heading {
  margin-bottom: 12px;
}

.section-kicker,
.panel-count,
.load-control-label,
.slot-index,
.slot-count {
  font-family: var(--mono-font);
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.section-kicker {
  margin-bottom: 3px;
  color: var(--bronze-light);
  font-size: 11px;
  font-weight: 700;
}

.panel h2,
.result-panel h2 {
  margin: 0;
  color: var(--paper-strong);
  font: 700 clamp(21px, 2.5vw, 28px)/1.08 var(--display-font);
  letter-spacing: 0.015em;
}

.panel-count {
  flex: 0 0 auto;
  color: var(--muted-dim);
  font-size: 10px;
  white-space: nowrap;
}

.alloy-panel,
.composition-panel,
.result-panel {
  padding: var(--section-pad);
}

.alloy-picker {
  position: relative;
  min-width: 0;
}

.alloy-picker-trigger {
  display: grid;
  width: 100%;
  min-width: 0;
  grid-template-columns: 74px minmax(0, 1fr) 44px;
  align-items: center;
  gap: 14px;
  padding: 11px 12px;
  color: inherit;
  text-align: left;
  background: var(--panel-raised);
  border: 1px solid color-mix(in srgb, var(--alloy-accent) 65%, var(--line));
  border-left: 3px solid var(--alloy-accent);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.015);
  transition: background 160ms ease, border-color 160ms ease, transform 160ms ease;
}

.alloy-picker-trigger:hover,
.alloy-picker.is-open .alloy-picker-trigger {
  background: var(--panel-soft);
  border-color: color-mix(in srgb, var(--alloy-accent) 78%, var(--line));
}

.alloy-picker.is-changing .alloy-picker-trigger {
  animation: alloy-arrival 320ms cubic-bezier(.22, .8, .25, 1);
}

@keyframes alloy-arrival {
  0% { transform: translateY(-4px); opacity: 0.55; }
  100% { transform: translateY(0); opacity: 1; }
}

.alloy-picker-mark,
.alloy-picker-option-mark {
  display: grid;
  place-items: center;
  background: var(--inset);
  border: 1px solid color-mix(in srgb, var(--alloy-accent) 55%, var(--line));
}

.alloy-picker-mark {
  width: 74px;
  height: 74px;
  aspect-ratio: 1;
}

.alloy-ingot-image {
  display: block;
  max-width: 100%;
  object-fit: contain;
  image-rendering: pixelated;
}

.alloy-ingot-image--picker {
  width: 66px;
  height: 55px;
}

.alloy-picker-main,
.alloy-picker-option-copy {
  display: grid;
  min-width: 0;
}

.alloy-picker-main {
  gap: 4px;
}

.alloy-picker-title-row {
  display: flex;
  min-width: 0;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
}

.alloy-picker-title {
  overflow: hidden;
  color: var(--paper-strong);
  font: 700 clamp(18px, 2.2vw, 24px)/1.08 var(--display-font);
  text-overflow: ellipsis;
  white-space: nowrap;
}

.alloy-picker-temperature,
.alloy-picker-option-temperature {
  flex: 0 0 auto;
  color: var(--bronze-light);
  font: 700 11px/1 var(--mono-font);
  white-space: nowrap;
}

.alloy-picker-description {
  overflow: hidden;
  color: var(--muted);
  font-size: 12px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.alloy-picker-components,
.alloy-picker-option-copy > span {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
}

.alloy-picker-chip {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 7px;
  color: var(--muted);
  background: var(--field);
  border: 1px solid var(--line-soft);
  font: 10px/1.25 var(--mono-font);
}

.alloy-picker-chip strong {
  color: var(--bronze-light);
  font-weight: 700;
}

.component-chip-dot {
  display: inline-block;
  flex: 0 0 8px;
  width: 8px;
  height: 8px;
  background: var(--metal-color);
  border-radius: 50%;
  box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.24);
}

.component-chip-name--short {
  display: none;
}

.alloy-picker-meta {
  display: flex;
  align-items: center;
  justify-content: end;
}

.alloy-picker-chevron {
  display: grid;
  width: 40px;
  height: 40px;
  place-items: center;
  color: var(--bronze-light);
  background: rgba(0, 0, 0, 0.1);
  border: 1px solid var(--line);
}

.alloy-picker-chevron .icon {
  width: 15px;
  height: 15px;
  transition: transform 180ms ease;
}

.alloy-picker.is-open .alloy-picker-chevron .icon {
  transform: rotate(180deg);
}

.alloy-picker-menu {
  margin-top: 8px;
  padding: 8px;
  background: var(--inset);
  border: 1px solid var(--line-bright);
  box-shadow: 0 16px 30px rgba(0, 0, 0, 0.3);
  animation: picker-open 180ms cubic-bezier(.2, .75, .3, 1);
}

@keyframes picker-open {
  0% { transform: translateY(-7px); opacity: 0; }
  100% { transform: translateY(0); opacity: 1; }
}

.alloy-picker-menu-inner {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 6px;
}

.alloy-picker-option {
  display: grid;
  min-width: 0;
  min-height: 64px;
  grid-template-columns: 50px minmax(0, 1fr) auto;
  align-items: center;
  gap: 9px;
  padding: 6px 8px;
  color: inherit;
  text-align: left;
  background: var(--panel);
  border: 1px solid var(--line-soft);
  border-left: 2px solid transparent;
  transition: background 140ms ease, border-color 140ms ease, transform 140ms ease;
}

.alloy-picker-option:hover,
.alloy-picker-option:focus-visible {
  background: var(--panel-soft);
  border-color: var(--line);
  border-left-color: var(--alloy-accent);
  transform: translateX(2px);
}

.alloy-picker-option-mark {
  width: 50px;
  height: 48px;
}

.alloy-ingot-image--option {
  width: 45px;
  height: 38px;
}

.alloy-picker-option-copy {
  gap: 5px;
}

.alloy-picker-option-copy > strong {
  overflow: hidden;
  color: var(--paper-strong);
  font-size: 13px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.alloy-picker-chip--option {
  padding: 3px 5px;
  font-size: 10px;
}

.composition-panel-heading {
  margin-bottom: 14px;
  padding-bottom: 0;
}

.composition-heading-meta {
  align-self: center;
}

.composition-load-controls {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 16px;
}

.load-control-group {
  display: grid;
  min-width: 0;
  align-content: start;
  gap: 6px;
}

.load-control-label {
  color: var(--muted);
  font-size: 10px;
  line-height: 1;
}

.amount-control,
.stepper-control {
  min-width: 0;
}

.stepper-control {
  --stepper-content-height: calc(var(--control-height) - 2px);
  display: flex;
  width: 100%;
  height: var(--control-height);
  min-height: var(--control-height);
  align-items: stretch;
  overflow: hidden;
  background: var(--field);
  border: 1px solid var(--line-bright);
  box-sizing: border-box;
}

.stepper-readout {
  display: inline-flex;
  flex: 1 1 auto;
  min-width: 0;
  height: 100%;
  min-height: 0;
  align-items: center;
  justify-content: center;
  gap: 0;
  padding: 0 8px;
  overflow: hidden;
}

.stepper-readout-value {
  display: inline-flex;
  flex: 0 0 auto;
  min-width: 0;
  max-width: 100%;
  align-items: center;
  gap: 4px;
  overflow: hidden;
  transform: translateX(-6px);
  white-space: nowrap;
}

.stepper-readout input,
.stepper-readout .stepper-unit {
  align-self: center;
  line-height: 1;
}

.stepper-readout input {
  display: block;
  flex: 0 0 40px;
  width: 40px;
  height: auto;
  min-width: 0;
  margin: 0;
  padding: 0;
  color: var(--paper-strong);
  background: transparent;
  border: 0;
  outline: 0;
  font: 700 17px/1.1 var(--ui-font);
  font-variant-numeric: tabular-nums;
  font-feature-settings: "tnum" 1;
  text-align: center;
  -moz-appearance: textfield;
}

.stepper-control input::-webkit-inner-spin-button,
.stepper-control input::-webkit-outer-spin-button {
  margin: 0;
  -webkit-appearance: none;
}

.stepper-button,
.amount-boundary-button,
.composition-summary-button {
  display: inline-grid;
  flex: 0 0 auto;
  place-items: center;
  justify-content: center;
  color: var(--bronze-light);
  background: transparent;
  border: 0;
  border-right: 1px solid var(--line);
  transition: color 140ms ease, background 140ms ease;
}

.stepper-button {
  width: 44px;
  height: 100%;
  min-height: 0;
}

.stepper-button:last-child {
  border-right: 0;
  border-left: 1px solid var(--line);
}

.stepper-readout + .stepper-button {
  border-left: 1px solid var(--line);
}

.stepper-button .icon {
  width: 15px;
  height: 15px;
}

.stepper-button:hover:not(:disabled),
.amount-boundary-button:hover:not(:disabled),
.composition-summary-button:hover:not(:disabled) {
  color: var(--paper-strong);
  background: var(--panel-soft);
}

.stepper-button:disabled,
.amount-boundary-button:disabled,
.composition-summary-button:disabled {
  cursor: not-allowed;
  color: var(--muted-dim);
  opacity: 0.46;
}

.stepper-readout .stepper-unit {
  display: inline-flex;
  flex: 0 0 auto;
  min-width: 0;
  align-items: center;
  justify-content: center;
  color: var(--paper-strong);
  padding: 0;
  font: 700 11px/1.2 var(--ui-font);
  letter-spacing: 0.02em;
  overflow: visible;
  text-overflow: clip;
  white-space: nowrap;
}

.stepper-readout.is-unit-hidden .stepper-readout-value {
  transform: none;
}

.stepper-readout.is-unit-hidden .stepper-unit {
  display: none;
}

.amount-boundary-button {
  width: 66px;
  min-width: 66px;
  max-width: 66px;
  height: 100%;
  padding: 0 9px;
  border-right: 1px solid var(--line);
  font: 700 10px/1 var(--mono-font);
  letter-spacing: 0.035em;
  text-transform: uppercase;
  text-align: center;
  white-space: nowrap;
}

.amount-boundary-button-copy {
  display: inline-flex;
  min-width: 0;
  align-items: baseline;
  justify-content: center;
  gap: 2px;
}

.amount-boundary-button-copy strong {
  font: 700 10px/1.1 var(--ui-font);
  font-variant-numeric: tabular-nums;
  font-feature-settings: "tnum" 1;
  letter-spacing: 0;
}

.amount-boundary-button:last-child {
  border-right: 0;
  border-left: 1px solid var(--line);
  justify-content: center;
  padding-right: 9px;
  text-align: center;
}

.crucible-capacity-group .stepper-readout input {
  width: 40px;
}

.fuel-select {
  width: 100%;
  min-width: 0;
  height: var(--control-height);
  min-height: var(--control-height);
  padding: 0 44px 0 12px;
  color: var(--paper-strong);
  background: var(--field);
  border: 1px solid var(--line-bright);
  border-radius: 0;
  font: 11px/1.2 var(--mono-font);
  text-overflow: ellipsis;
}

.fuel-select-wrap {
  position: relative;
  min-width: 0;
}

.fuel-select {
  appearance: none;
  -webkit-appearance: none;
}

.fuel-select::-ms-expand {
  display: none;
}

.fuel-select-chevron {
  position: absolute;
  top: 50%;
  right: 12px;
  z-index: 1;
  display: grid;
  width: 18px;
  height: 18px;
  place-items: center;
  color: var(--bronze-light);
  opacity: 1;
  pointer-events: none;
  transform: translateY(-50%);
}

.fuel-select-chevron .icon {
  width: 16px;
  height: 16px;
  filter: drop-shadow(0 0 2px rgba(218, 164, 110, 0.35));
}

.fuel-select:hover {
  background: var(--panel-soft);
}

.composition-wrap {
  min-width: 0;
}

.composition-control {
  min-width: 0;
  padding-bottom: 4px;
  touch-action: none;
  user-select: none;
}

.composition-track {
  position: relative;
  display: flex;
  width: 100%;
  height: var(--composition-track-height);
  overflow: visible;
  background: var(--field);
  border: 1px solid var(--line-bright);
}

.composition-segment {
  position: relative;
  display: flex;
  min-width: 0;
  align-items: center;
  justify-content: center;
  color: #1d1713;
  background: var(--metal-color);
  transition: width 120ms linear;
}

.composition-segment + .composition-segment {
  border-left: 1px solid rgba(25, 20, 16, 0.45);
}

.composition-segment.is-empty {
  background: repeating-linear-gradient(135deg, var(--panel), var(--panel) 8px, var(--panel-soft) 8px, var(--panel-soft) 16px);
}

.composition-segment-percent {
  font: 700 15px/1 var(--mono-font);
  text-shadow: 0 1px rgba(255, 255, 255, 0.16);
}

.composition-segment-symbol {
  position: absolute;
  bottom: 6px;
  left: 9px;
  font: 700 10px/1 var(--mono-font);
}

.composition-handle {
  position: absolute;
  top: 50%;
  z-index: 3;
  display: grid;
  width: 22px;
  height: 22px;
  padding: 0;
  place-items: center;
  color: var(--paper-strong);
  background: #3a2c22;
  border: 1px solid var(--paper);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.38);
  transform: translate(-50%, -50%);
  transition: left 120ms linear, color 140ms ease, background 140ms ease;
  touch-action: none;
}

.composition-handle::before,
.composition-handle::after {
  position: absolute;
  left: 50%;
  width: 2px;
  height: calc((var(--composition-track-height) - 22px) / 2 + 8px);
  content: "";
  background: var(--paper-strong);
  transform: translateX(-50%);
}

.composition-handle::before {
  bottom: 100%;
}

.composition-handle::after {
  top: 100%;
}

.composition-handle:hover,
.composition-handle.is-dragging {
  color: #1d1713;
  background: var(--bronze-light);
}

.composition-handle-dot {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 2px;
  height: 2px;
  background: currentColor;
  transform: translate(-50%, -50%);
}

.composition-scale {
  display: flex;
  justify-content: space-between;
  padding-top: 7px;
  color: var(--muted-dim);
  font: 10px/1 var(--mono-font);
}

.composition-nudges {
  margin-top: 14px;
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
}

.composition-summary-row {
  display: grid;
  grid-template-columns: minmax(150px, 1.5fr) minmax(58px, 0.42fr) minmax(92px, 0.72fr) minmax(82px, 0.72fr) 94px;
  align-items: center;
  column-gap: 14px;
}

.composition-summary-row {
  min-height: 50px;
  border-top: 1px solid var(--line-soft);
}

.composition-summary-row > * {
  min-width: 0;
}

.composition-summary-metrics {
  display: contents;
}

.composition-summary-metal {
  display: flex;
  min-width: 0;
  align-items: center;
  gap: 8px;
  color: var(--paper-strong);
  font-size: 13px;
}

.composition-summary-percent,
.composition-summary-nuggets,
.composition-summary-units {
  display: flex;
  width: 100%;
  min-width: 0;
  align-items: baseline;
  justify-content: flex-end;
  gap: 5px;
  color: var(--paper);
  font: 12px/1 var(--mono-font);
  text-align: right;
  white-space: nowrap;
}

.composition-summary-nuggets::after,
.composition-summary-units::after {
  color: var(--muted-dim);
  content: attr(data-label);
  font: 10px/1 var(--mono-font);
  letter-spacing: 0.03em;
  text-transform: lowercase;
}

.composition-summary-percent strong {
  color: var(--bronze-light);
}

.composition-summary-actions {
  display: flex;
  justify-content: end;
  gap: 6px;
}

.composition-summary-button {
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  font: 700 18px/1 var(--mono-font);
}

.result-panel-header {
  margin-bottom: 14px;
}

.result-panel-heading-copy,
.result-panel-title-row {
  min-width: 0;
}

.result-panel-title-row {
  display: flex;
  align-items: center;
  gap: 12px;
}

.result-header-state {
  display: inline-flex;
  min-width: 0;
  align-items: center;
  gap: 6px;
  color: var(--muted);
  font: 10px/1.2 var(--mono-font);
  letter-spacing: 0.03em;
}

.result-header-state .icon {
  width: 14px;
  height: 14px;
}

.result-header-state.is-valid {
  color: var(--success);
}

.result-header-state.is-invalid {
  color: var(--danger);
}

#resultBody {
  min-width: 0;
}

.result-notice {
  display: flex;
  align-items: center;
  gap: 9px;
  margin-bottom: 12px;
  padding: 10px 12px;
  color: var(--danger);
  background: rgba(223, 141, 114, 0.08);
  border: 1px solid rgba(223, 141, 114, 0.4);
  font-size: 12px;
}

.result-notice .icon {
  width: 17px;
  height: 17px;
}

.inventory-grid {
  display: grid;
  min-width: 0;
  grid-template-columns: repeat(var(--slot-columns, 4), minmax(0, 1fr));
  gap: 7px;
  margin-top: 10px;
}

.inventory-slot {
  position: relative;
  display: grid;
  min-width: 0;
  aspect-ratio: 1;
  place-items: center;
  align-content: center;
  gap: 3px;
  padding: 12px 8px 9px;
  overflow: hidden;
  background: #1c1714;
  border: 1px solid var(--line);
  text-align: center;
}

.inventory-slot.filled {
  border-color: color-mix(in srgb, var(--metal-color) 48%, var(--line));
  box-shadow: inset 0 0 20px rgba(0, 0, 0, 0.15);
}

.inventory-slot.empty {
  color: var(--muted-dim);
  border-style: dashed;
}

.slot-index {
  position: absolute;
  top: 7px;
  left: 8px;
  color: var(--muted-dim);
  font-size: 10px;
}

.metal-glyph {
  display: grid;
  width: 68px;
  height: 48px;
  place-items: center;
}

.nugget-image {
  display: block;
  width: 62px;
  height: 44px;
  object-fit: contain;
  image-rendering: pixelated;
}

.nugget-image--padded {
  width: 62px;
  height: 44px;
  transform: translateY(-8px) scale(2.65);
}

.nugget-image--compact {
  width: 62px;
  height: 44px;
  padding: 0;
  transform: none;
}

.inventory-slot strong {
  color: var(--paper-strong);
  font: 700 18px/1.1 var(--ui-font);
  font-variant-numeric: tabular-nums;
  font-feature-settings: "tnum" 1;
}

.inventory-slot small {
  max-width: 100%;
  overflow: hidden;
  color: var(--muted);
  font-size: 11px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.empty-slot-mark {
  color: var(--bronze-light);
  font: 300 24px/1 var(--body-font);
  opacity: 0.72;
}

.inventory-grid--dense .inventory-slot {
  min-height: 0;
  aspect-ratio: 1;
}

.inventory-grid--compact .inventory-slot {
  min-height: 0;
  aspect-ratio: 1;
  padding: 10px 5px 7px;
}

.inventory-grid--compact .metal-glyph,
.inventory-grid--compact .nugget-image,
.inventory-grid--compact .nugget-image--compact {
  width: 48px;
  height: 36px;
}

.inventory-grid--compact .nugget-image--padded {
  width: 48px;
  height: 36px;
  transform: translateY(-6px) scale(2.65);
}

.inventory-grid--compact .inventory-slot strong {
  font-size: 15px;
}

.inventory-grid--compact .inventory-slot small {
  font-size: 10px;
}

.result-summary {
  display: grid;
  min-width: 0;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-top: 10px;
  background: var(--inset);
  border: 1px solid var(--line);
}

.result-summary-item {
  display: grid;
  min-width: 0;
  min-height: 70px;
  place-items: center;
  align-content: center;
  gap: 5px;
  padding: 10px;
  text-align: center;
}

.result-summary-item + .result-summary-item {
  border-left: 1px solid var(--line);
}

.result-summary-item strong {
  max-width: 100%;
  overflow: hidden;
  color: var(--paper-strong);
  font: 700 19px/1.1 var(--ui-font);
  font-variant-numeric: tabular-nums;
  font-feature-settings: "tnum" 1;
  text-overflow: ellipsis;
}

.result-summary-item small {
  max-width: 100%;
  overflow: hidden;
  color: var(--paper);
  font: 600 11px/1.2 var(--mono-font);
  letter-spacing: 0.035em;
  text-overflow: ellipsis;
  text-transform: lowercase;
  white-space: nowrap;
}

.result-summary-fuel.is-incompatible strong,
.result-summary-fuel.is-incompatible small {
  color: var(--danger);
}

.result-empty-state {
  display: grid;
  min-height: 220px;
  place-items: center;
  align-content: center;
  gap: 10px;
  padding: 28px;
  color: var(--muted);
  background: var(--inset);
  border: 1px solid var(--line);
  text-align: center;
}

.result-empty-state .empty-state-icon {
  width: 28px;
  height: 28px;
  color: var(--danger);
}

.result-empty-state h3,
.result-empty-state p {
  margin: 0;
}

.result-empty-state h3 {
  color: var(--paper-strong);
  font: 700 20px/1.15 var(--display-font);
}

.placeholder-page {
  display: grid;
  width: 100%;
  min-height: 330px;
  grid-template-columns: minmax(0, 1fr);
  align-items: center;
  gap: 24px;
  padding: clamp(28px, 6vw, 64px);
  background: rgba(28, 22, 19, 0.94);
  border: 1px solid var(--line);
  border-top: 2px solid var(--bronze);
  box-shadow: var(--shadow);
}

.placeholder-copy {
  max-width: 620px;
}

.placeholder-copy h1 {
  margin: 0 0 9px;
  color: var(--paper-strong);
  font: 700 clamp(26px, 4vw, 40px)/1.05 var(--display-font);
}

.placeholder-copy p {
  max-width: 54ch;
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.placeholder-action {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  margin-top: 22px;
  padding: 0 14px;
  color: var(--paper-strong);
  background: var(--panel-raised);
  border: 1px solid var(--line-bright);
  font: 10px/1 var(--mono-font);
  letter-spacing: 0.07em;
  text-decoration: none;
  text-transform: uppercase;
}

.placeholder-action:hover {
  background: var(--panel-soft);
}

.site-footer {
  display: grid;
  width: 100%;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: auto;
  padding-top: 28px;
  color: var(--muted-dim);
  font: 10px/1.4 var(--mono-font);
  letter-spacing: 0.035em;
}

.site-footer span:nth-child(2) {
  text-align: center;
}

.site-footer span:nth-child(3) {
  text-align: right;
}

.site-credit {
  color: var(--bronze-light);
}

@media (max-width: 900px) {
  :root {
    --content-width: 820px;
  }

  .topbar {
    grid-template-columns: minmax(210px, 1fr) auto auto;
  }

  .site-nav-link {
    padding-right: 10px;
    padding-left: 10px;
  }

  .composition-load-controls {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .fuel-control-group {
    grid-column: 1 / -1;
  }

  .inventory-grid--compact {
    grid-template-columns: repeat(var(--slot-columns, 4), minmax(0, 1fr));
  }
}

@media (max-width: 700px) {
  :root {
    --gutter: 14px;
    --section-pad: 16px;
    --composition-track-height: 70px;
  }

  html {
    scrollbar-gutter: auto;
  }

  body {
    font-size: 13px;
  }

  .topbar {
    grid-template-areas:
      "brand language"
      "nav nav";
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 8px 12px;
    padding-top: 9px;
    padding-bottom: 10px;
  }

  .brand-lockup {
    grid-area: brand;
  }

  .brand-mark {
    flex-basis: 40px;
    width: 40px;
    height: 40px;
  }

  .brand-name {
    font-size: 17px;
  }

  .brand-sub {
    font-size: 10px;
  }

  .site-nav {
    grid-area: nav;
    width: 100%;
    justify-content: flex-start;
    overflow-x: auto;
    padding-top: 8px;
    border-top: 1px solid var(--line-soft);
    scrollbar-width: none;
  }

  .site-nav::-webkit-scrollbar {
    display: none;
  }

  .site-nav-link {
    flex: 1 0 auto;
    min-height: 40px;
  }

  .language-switcher {
    grid-area: language;
  }

  .site-content {
    padding-top: 16px;
  }

  .panel-heading,
  .result-panel-header {
    gap: 10px;
  }

  .panel h2,
  .result-panel h2 {
    font-size: 23px;
  }

  .alloy-picker-trigger {
    grid-template-columns: 62px minmax(0, 1fr) 40px;
    gap: 10px;
    padding: 9px;
  }

  .alloy-picker-mark {
    width: 62px;
    height: 62px;
  }

  .alloy-ingot-image--picker {
    width: 56px;
    height: 48px;
  }

  .alloy-picker-title {
    font-size: 20px;
  }

  .alloy-picker-description {
    font-size: 11px;
  }

  .alloy-picker-menu-inner {
    grid-template-columns: 1fr;
  }

  .composition-load-controls {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .fuel-control-group {
    grid-column: auto;
  }

  .composition-track {
    height: var(--composition-track-height);
  }

  .composition-handle {
    width: 22px;
    height: 22px;
  }

  .composition-summary-list {
    display: grid;
    gap: 0;
  }

  .composition-summary-row {
    grid-template-areas:
      "metal actions"
      "metrics actions";
    grid-template-columns: minmax(0, 1fr) minmax(104px, auto);
    row-gap: 8px;
    min-height: 84px;
    padding: 10px 0;
  }

  .composition-summary-metal {
    grid-area: metal;
  }

  .composition-summary-metrics {
    display: grid;
    grid-area: metrics;
    min-width: 0;
    grid-template-columns: repeat(3, max-content);
    justify-content: start;
    column-gap: 10px;
  }

  .composition-summary-actions {
    grid-area: actions;
    align-self: start;
  }

  .composition-summary-percent,
  .composition-summary-nuggets,
  .composition-summary-units {
    grid-area: auto;
    display: grid;
    width: auto;
    justify-items: start;
    gap: 3px;
    text-align: left;
  }

  .composition-summary-percent::before,
  .composition-summary-nuggets::before,
  .composition-summary-units::before {
    color: var(--muted-dim);
    content: attr(data-label);
    font: 10px/1 var(--mono-font);
    letter-spacing: 0.06em;
    text-transform: uppercase;
  }

  .composition-summary-nuggets::after,
  .composition-summary-units::after {
    display: none;
  }

  .inventory-grid,
  .inventory-grid--dense,
  .inventory-grid--compact {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .inventory-slot,
  .inventory-grid--dense .inventory-slot,
  .inventory-grid--compact .inventory-slot {
    min-height: 0;
    aspect-ratio: 1;
  }

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

  .result-summary-item:nth-child(3),
  .result-summary-item:nth-child(4) {
    border-top: 1px solid var(--line);
  }

  .result-summary-item:nth-child(3) {
    border-left: 0;
  }

  .placeholder-page {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .site-footer {
    grid-template-columns: 1fr;
    gap: 7px;
    text-align: center;
  }

  .site-footer span:nth-child(2),
  .site-footer span:nth-child(3) {
    text-align: center;
  }
}

@media (max-width: 520px) {
  :root {
    --gutter: max(10px, env(safe-area-inset-left));
    --section-pad: 13px;
    --composition-track-height: 72px;
  }

  .topbar {
    padding-right: max(10px, env(safe-area-inset-right));
    padding-left: max(10px, env(safe-area-inset-left));
  }

  .brand-lockup {
    gap: 8px;
  }

  .composition-panel-heading {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: start;
  }

  .composition-panel-heading > div:first-child {
    display: contents;
  }

  .composition-panel-heading .section-kicker {
    grid-column: 1;
    grid-row: 1;
  }

  .composition-heading-meta {
    grid-column: 2;
    grid-row: 1;
    align-self: start;
  }

  .composition-panel-heading h2 {
    grid-column: 1 / -1;
    grid-row: 2;
  }

  .brand-name {
    font-size: 15px;
  }

  .brand-sub {
    max-width: none;
    font-size: 10px;
    letter-spacing: 0.06em;
  }

  .language-button {
    min-width: 40px;
    min-height: 40px;
  }

  .site-content {
    padding-right: max(10px, env(safe-area-inset-right));
    padding-left: max(10px, env(safe-area-inset-left));
  }

  .panel-heading {
    align-items: start;
  }

  .panel h2,
  .result-panel h2 {
    font-size: 21px;
  }

  .section-kicker {
    font-size: 10px;
  }

  .panel-count {
    padding-top: 2px;
    font-size: 10px;
  }

  .alloy-picker-trigger {
    grid-template-columns: 56px minmax(0, 1fr) 36px;
    gap: 8px;
    padding: 8px;
  }

  .alloy-picker-mark {
    width: 56px;
    height: 56px;
  }

  .alloy-ingot-image--picker {
    width: 50px;
    height: 43px;
  }

  .alloy-picker-title-row {
    align-items: start;
    flex-direction: column;
    gap: 2px;
  }

  .alloy-picker-title {
    font-size: 17px;
  }

  .alloy-picker-temperature {
    font-size: 10px;
  }

  .alloy-picker-description {
    display: none;
  }

  .alloy-picker-trigger .component-chip-name--full {
    display: none;
  }

  .alloy-picker-trigger .component-chip-name--short {
    display: inline;
  }

  .alloy-picker-chevron {
    width: 36px;
    height: 40px;
  }

  .alloy-picker-option {
    grid-template-columns: 46px minmax(0, 1fr) auto;
  }

  .alloy-picker-option-mark {
    width: 46px;
    height: 44px;
  }

  .alloy-ingot-image--option {
    width: 41px;
    height: 35px;
  }

  .stepper-control {
    --stepper-content-height: 46px;
    height: 48px;
    min-height: 48px;
  }

  .stepper-button {
    width: 46px;
  }

  .amount-boundary-button {
    width: 62px;
    min-width: 62px;
    max-width: 62px;
    padding-right: 7px;
    padding-left: 7px;
    font-size: 10px;
  }

  .stepper-readout {
    gap: 0;
    padding-right: 6px;
    padding-left: 6px;
  }

  .stepper-readout input {
    flex-basis: 40px;
    width: 40px;
  }

  .stepper-readout .stepper-unit {
    min-width: 0;
    font-size: 11px;
  }

  .composition-track {
    height: var(--composition-track-height);
  }

  .composition-segment-percent {
    font-size: 13px;
  }

  .composition-summary-row {
    grid-template-columns: minmax(0, 1fr) 98px;
    column-gap: 8px;
  }

  .composition-summary-button {
    width: 44px;
    height: 44px;
  }

  .inventory-grid,
  .inventory-grid--dense,
  .inventory-grid--compact {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 6px;
  }

  .inventory-slot,
  .inventory-grid--dense .inventory-slot,
  .inventory-grid--compact .inventory-slot {
    min-height: 0;
    aspect-ratio: 1;
  }

  .metal-glyph,
  .inventory-grid--compact .metal-glyph,
  .nugget-image,
  .nugget-image--compact,
  .inventory-grid--compact .nugget-image,
  .inventory-grid--compact .nugget-image--compact {
    width: 44px;
    height: 32px;
  }

  .nugget-image--padded,
  .inventory-grid--compact .nugget-image--padded {
    width: 44px;
    height: 32px;
    transform: translateY(-4px) scale(1.9);
  }

  .nugget-image--compact,
  .inventory-grid--compact .nugget-image--compact {
    width: 32px;
    height: 19px;
  }

  .inventory-slot strong,
  .inventory-grid--compact .inventory-slot strong {
    font-size: 17px;
  }

  .inventory-slot small,
  .inventory-grid--compact .inventory-slot small {
    font-size: 10px;
  }

  .result-summary-item {
    min-height: 64px;
    padding: 8px 5px;
  }

  .result-summary-item strong {
    font-size: 17px;
  }

  .result-summary-item small {
    white-space: normal;
  }

  .placeholder-page {
    padding: 28px 18px;
  }
}

@media (max-width: 375px) {
  .topbar {
    column-gap: 8px;
  }

  .brand-mark {
    flex-basis: 36px;
    width: 36px;
    height: 36px;
  }

  .brand-name {
    font-size: 14px;
  }

  .brand-sub {
    max-width: none;
    font-size: 10px;
    letter-spacing: 0.04em;
  }

  .language-switcher {
    gap: 0;
  }

  .site-nav-link {
    padding-right: 8px;
    padding-left: 8px;
    font-size: 10px;
  }

  .alloy-picker-components {
    gap: 4px;
  }

  .alloy-picker-chip {
    padding-right: 5px;
    padding-left: 5px;
    font-size: 10px;
  }

  .amount-boundary-button {
    width: 56px;
    min-width: 56px;
    max-width: 56px;
  }

  .stepper-button {
    width: 42px;
  }

  .stepper-readout {
    gap: 0;
    padding-right: 4px;
    padding-left: 4px;
  }

  .stepper-readout input {
    flex-basis: 40px;
    width: 40px;
  }

  .stepper-readout .stepper-unit {
    min-width: 0;
    font-size: 11px;
  }

  .composition-summary-row {
    grid-template-columns: minmax(0, 1fr) 94px;
    column-gap: 6px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}