/* Tomahawk sandbox — Monolith CIC
   Futuristic monochrome HUD over a light-sea theater.
   Force color is deep blue / deep red only. Chinese-first chrome. */

:root {
  color-scheme: dark;
  --font-ui: "Tomahawk Han", "Rationale", "Tomahawk Sans", "Source Han Sans SC", "Microsoft YaHei UI", sans-serif;
  --font-mono: "Cascadia Mono", "SFMono-Regular", Consolas, monospace;
  --font-display: "Tomahawk Han", "Rationale", "Tomahawk Sans", "Source Han Sans SC", sans-serif;

  /* Monochrome instrument surfaces */
  --bg: #0a0c0e;
  --panel: rgba(16, 18, 20, .96);
  --panel-solid: #121416;
  --panel-raised: #181b1f;
  --panel-inset: #0c0e10;
  --line: rgba(255, 255, 255, .10);
  --line-strong: rgba(255, 255, 255, .22);
  --engrave: rgba(255, 255, 255, .06);
  --text: #f2f4f5;
  --muted: #8b9298;
  --dim: #5c6369;
  --accent: #e8eaec;
  --blue: #3568c4;
  --red: #b84343;
  --amber: #c4c8cc;
  --good: #d8dce0;
  --danger: #c45a5a;

  --map-sea: #cfd6db;
  --map-land: #2e3338;
  --map-coast: #0e1012;

  --radius: 4px;
  --radius-sm: 4px;
  --radius-md: 7px;
  --radius-lg: 10px;
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --ctrl-h: 30px;
  --rail-h: 48px;
  --shadow-dock: 0 1px 0 var(--engrave) inset, 0 10px 28px rgba(0, 0, 0, .38);
  --shadow-overlay: 0 18px 48px rgba(0, 0, 0, .55);
  --dur-fast: 120ms;
  --dur: 180ms;
  --ease-out: cubic-bezier(0.2, 0, 0, 1);
  --z-map: 0;
  --z-hud: 10;
  --z-popover: 20;
  --z-overlay: 40;
  --z-tour: 60;
  --focus-ring: #e8eaec;
}

html,
body,
#app {
  font-family: var(--font-ui);
  font-size: 12px;
  font-variant-numeric: tabular-nums;
  letter-spacing: .01em;
  line-height: 1.4;
}

body.sandbox-page { background: var(--map-sea); color: var(--text); }
button, input, select { font-family: inherit; }
button { color: inherit; }
.sandbox-page canvas { z-index: var(--z-map); }

.ui-icon {
  width: 16px;
  height: 16px;
  flex: none;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.65;
  stroke-linecap: square;
  stroke-linejoin: miter;
}

.skip-link {
  position: fixed;
  top: -5rem;
  left: var(--space-2);
  z-index: 100;
  padding: 10px 14px;
  background: white;
  color: #0a0c0e;
  border-radius: var(--radius-md);
  font-size: 13px;
}
.skip-link:focus { top: var(--space-2); }

/* ——— Surfaces ——— */
.hud-panel,
.hud-popover {
  position: fixed;
  border: 1px solid var(--line-strong);
  background: var(--panel);
  box-shadow: var(--shadow-dock);
  border-radius: var(--radius-md);
}
.hud-panel { z-index: var(--z-hud); }
.hud-popover {
  z-index: var(--z-popover);
  padding: var(--space-2);
  border-radius: var(--radius-md);
  background: var(--panel-raised);
}
@keyframes interface-pop-in {
  from { opacity: 0; transform: translateY(-6px) scale(.985); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}
.equipment-overlay:not([hidden]),
.about-overlay:not([hidden]),
.tutorial-prompt:not([hidden]),
.tour-overlay:not([hidden]),
.layer-menu:not([hidden]) {
  animation: interface-pop-in 180ms var(--ease-out) both;
}
.hud-popover[hidden],
#map-options[hidden],
#tools-menu[hidden] { display: none !important; }

/* ——— Controls ——— */
.hud-button,
.icon-control {
  border: 1px solid transparent;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  border-radius: var(--radius-md);
  transition:
    color var(--dur-fast) var(--ease-out),
    border-color var(--dur-fast) var(--ease-out),
    background var(--dur-fast) var(--ease-out),
    transform var(--dur-fast) var(--ease-out);
}
.hud-button:hover,
.icon-control:hover {
  color: var(--text);
  border-color: var(--line);
  background: rgba(255, 255, 255, .05);
}
.hud-button:active,
.icon-control:active { transform: scale(0.96); }
.hud-button:focus-visible,
.icon-control:focus-visible,
button:focus-visible,
a:focus-visible,
input:focus-visible,
select:focus-visible {
  outline: 1.5px solid var(--focus-ring);
  outline-offset: 2px;
}
.hud-button {
  min-height: var(--ctrl-h);
  padding: 0 8px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
  font-size: 14px;
  font-weight: 550;
  letter-spacing: .01em;
  white-space: nowrap;
}
.hud-button.primary {
  color: #0a0c0e;
  border-color: var(--accent);
  background: var(--accent);
  font-weight: 650;
}
.hud-button.primary:hover {
  background: #fff;
  border-color: #fff;
  color: #0a0c0e;
}
.hud-button.active {
  color: var(--text);
  background: rgba(255, 255, 255, .08);
  border-color: var(--line-strong);
  box-shadow: inset 0 -2px 0 var(--accent);
}
.icon-control {
  width: var(--ctrl-h);
  height: var(--ctrl-h);
  display: inline-grid;
  place-items: center;
  text-decoration: none;
}

/* ——— Top command rail ——— */
#brand-panel {
  top: 6px;
  left: 6px;
  height: auto;
  min-height: var(--rail-h);
  width: 116px;
  padding: 0;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  border-color: var(--line-strong);
  background: var(--panel-solid);
  overflow: hidden;
}
.brand-lockup {
  min-width: 0;
  min-height: 48px;
  padding: 7px 10px 7px 8px;
  display: flex;
  align-items: center;
  gap: 7px;
  color: var(--text);
  text-decoration: none;
  border-right: 1px solid var(--line);
}
.brand-lockup { border-right: 0; border-bottom: 1px solid var(--line); }
.brand-lockup img {
  width: 28px;
  height: 28px;
  filter: grayscale(1) brightness(1.15);
}
.brand-lockup span { display: grid; gap: 1px; }
.brand-lockup b {
  font-size: 15px;
  font-weight: 650;
  letter-spacing: .08em;
  white-space: nowrap;
}
.brand-lockup small {
  color: var(--muted);
  font: 550 10px/1 var(--font-mono);
  letter-spacing: .08em;
}
.primary-actions {
  display: flex;
  flex-direction: column;
  align-items: center;
  align-items: stretch;
  gap: 2px;
  padding: 4px;
}
.primary-actions .hud-button {
  width: 100%;
  min-width: 0;
  min-height: 46px;
  justify-content: flex-start;
  padding: 0 7px;
  gap: 4px;
}
.primary-actions .ui-icon {
  width: 14px;
  height: 14px;
}
.map-tool-toggle {
  position: relative;
  width: 100%;
  min-height: 50px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  padding: 3px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  background: rgba(255,255,255,.035);
  color: var(--muted);
  cursor: pointer;
  overflow: hidden;
}
.map-tool-option {
  position: relative;
  z-index: 1;
  display: grid;
  place-items: center;
  grid-template-rows: auto auto;
  gap: 0;
  min-height: 34px;
  font-size: 13px;
  font-weight: 700;
  transition: color var(--dur) var(--ease-out);
}
.map-tool-option b,
.map-tool-option small { display: block; line-height: 1; }
.map-tool-option small { font-size: 13px; color: var(--muted); }
.map-tool-option.active { color: var(--text); }
.map-tool-option.active small { color: inherit; font-weight: 900; }
.map-tool-thumb {
  position: absolute;
  z-index: 0;
  inset: 3px auto 3px 3px;
  width: calc(50% - 3px);
  border-radius: calc(var(--radius-sm) - 1px);
  background: rgba(255,255,255,.14);
  box-shadow: inset 0 -2px 0 var(--accent);
  transition: transform var(--dur) var(--ease-out);
}
.map-tool-toggle[data-tool-toggle="ruler"] .map-tool-thumb { transform: translateX(100%); }

/* ——— Battle instrument (centered strip; 10 stats evenly spaced) ——— */
.battle-overview {
  top: 6px;
  left: 50%;
  right: auto;
  width: min(912px, calc(100vw - 340px));
  max-width: calc(100vw - 340px);
  min-width: min(768px, calc(100vw - 340px));
  height: var(--rail-h);
  min-height: var(--rail-h);
  padding: 0 28px 0 0;
  border-color: var(--line-strong);
  background: var(--panel-solid);
  border-radius: var(--radius-md);
  overflow: hidden;
  transform: translateX(-50%);
  transition: opacity var(--dur) var(--ease-out), transform var(--dur) var(--ease-out);
}
#summary-collapse {
  position: absolute;
  right: 0;
  top: 0;
  width: 28px;
  height: 100%;
  border-left: 1px solid var(--line-strong);
  border-radius: 0;
  background: rgba(255, 255, 255, .025);
}
.summary-collapse .ui-icon { transition: transform var(--dur) var(--ease-out); transform: rotate(180deg); }
.battle-overview.collapsed .summary-collapse .ui-icon { transform: none; }
.battle-overview.collapsed {
  left: 50%;
  width: max-content;
  min-width: 0;
  transform: translateX(-50%);
}
#status {
  min-width: 0;
  width: 100%;
  height: 100%;
  overflow: visible;
  white-space: nowrap;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  column-gap: 10px;
  font-size: inherit;
}
#status > .force-summary + .force-summary {
  border-left: 2px solid rgba(255, 255, 255, .48);
  padding-left: 0;
}
.force-summary {
  min-width: 0;
  width: 100%;
  height: 100%;
  padding: 0;
  display: grid;
  /* Side label + 5 stats; stats share width equally for even spacing. */
  grid-template-columns: 52px repeat(6, minmax(0, 1fr));
  align-items: center;
  column-gap: 8px;
  row-gap: 0;
}
/* Mirror red: 红方 sits on the far right (blue keeps 蓝方 on the far left). */
.force-summary.red { direction: rtl; }
.force-summary.red > * { direction: ltr; }
.force-side {
  min-width: 0;
  display: grid;
  gap: 1px;
  width: 52px;
  min-height: 0;
  height: 100%;
  padding: 0;
  background: var(--blue);
  border-radius: var(--radius-md) 0 0 var(--radius-md);
}
.force-summary.red .force-side {
  padding: 0;
  background: var(--red);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}
.force-side b {
  display: block;
  width: 100%;
  height: 100%;
  font-size: 0;
  font-weight: 650;
  letter-spacing: .04em;
}
.force-summary > .summary-stat { border-left: 1px solid var(--line); }
.summary-stat {
  min-width: 0;
  padding: 0 5.3px;
  display: grid;
  grid-template-rows: 15px 16px 3px;
  align-content: center;
  gap: 2px;
  justify-items: center;
  justify-self: stretch;
  text-align: center;
}
.summary-stat small {
  color: var(--muted);
  font-size: 13px;
  line-height: 1;
  display: grid;
  gap: 0;
  white-space: nowrap;
  line-height: .92;
  text-align: center;
}
.summary-stat b {
  font: 650 14px/1 var(--font-mono);
  white-space: nowrap;
  color: var(--text);
  text-align: center;
  width: 100%;
  grid-row: 2;
}
.mini-meter {
  display: block;
  width: 100%;
  min-width: 28px;
  max-width: 40px;
  height: 3px;
  margin: 0 auto;
  background: rgba(255, 255, 255, .08);
  border-radius: 1px;
  overflow: hidden;
  grid-row: 3;
}
.mini-meter i { display: block; height: 100%; background: currentColor; }
.force-summary.blue { color: var(--blue); }
.force-summary.red { color: var(--red); }
.force-summary.blue .summary-stat b,
.force-summary.red .summary-stat b { color: var(--text); }
.force-summary.blue .force-side b { color: var(--blue); }
.force-summary.red .force-side b { color: var(--red); }
.battle-overview.collapsed .summary-stat:not(.units) { display: none; }
.battle-overview.collapsed .force-summary { grid-template-columns: auto auto; }

.top-reset {
  position: fixed;
  z-index: var(--z-hud);
  top: calc(6px + var(--rail-h) + 4px);
  left: 50%;
  width: 112px;
  height: 34px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  border: 1px solid #0a0c0e;
  border-radius: var(--radius-md);
  background: #fff;
  color: #0a0c0e;
  font-size: 12px;
  font-weight: 700;
  transform: translateX(-50%);
  box-shadow: var(--shadow-dock);
  transition: color var(--dur-fast) var(--ease-out), background var(--dur-fast) var(--ease-out), transform var(--dur-fast) var(--ease-out);
}
.top-reset .ui-icon { width: 15px; height: 15px; }
.top-reset:hover { color: #0a0c0e; background: #e5e7e9; }
.top-reset:active { transform: translateX(-50%) scale(.96); }

.top-actions {
  position: fixed;
  z-index: var(--z-hud);
  top: 6px;
  right: 6px;
  display: flex;
  gap: 3px;
}
.top-actions .icon-control {
  border-color: var(--line-strong);
  background: var(--panel-solid);
  box-shadow: var(--shadow-dock);
  width: 30px;
  height: 30px;
}

/* ——— Menus ——— */
.tools-menu {
  right: var(--space-2);
  bottom: var(--space-2);
  width: 158px;
  padding: 3px;
  display: grid;
  gap: 0;
  border-radius: var(--radius-sm);
}
.popover-kicker {
  padding: 4px 8px 8px;
  color: var(--dim);
  border-bottom: 1px solid var(--line);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: .16em;
}
.tools-menu button,
.tools-menu a {
  width: 100%;
  min-height: 30px;
  padding: 0 6px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  border: 0;
  border-radius: var(--radius-sm);
  border-bottom: 1px solid transparent;
  background: transparent;
  color: var(--text);
  text-decoration: none;
  font-size: 11px;
  cursor: pointer;
  transition: background var(--dur-fast) var(--ease-out);
}
.tools-menu button:last-child,
.tools-menu a:last-child { border-bottom: 0; }
.tools-menu button > span,
.tools-menu a > span { display: inline-flex; align-items: center; gap: 5px; }
.tools-menu .ui-icon { width: 13px; height: 13px; }
.tools-menu button:hover,
.tools-menu a:hover { background: rgba(255, 255, 255, .06); }
.tools-menu .danger { color: var(--danger); }
kbd {
  color: var(--dim);
  font: 550 8px/1 var(--font-mono);
}

.map-hud {
  position: fixed;
  z-index: var(--z-hud);
  left: var(--space-2);
  bottom: var(--space-2);
  display: flex;
  align-items: flex-end;
  gap: 8px;
  pointer-events: none;
}
.map-hud > * { pointer-events: auto; }
#layers-toggle {
  min-height: 36px;
  border-color: var(--line-strong);
  background: var(--panel-solid);
  color: var(--text);
  box-shadow: var(--shadow-dock);
}
#map-scale {
  position: static;
  width: 104px;
  transform: none;
  font-size: 10px;
  color: #1a1e23;
  text-shadow: 0 1px 0 rgba(255, 255, 255, .35);
}
#scale-distance,
#scale-grid {
  display: block;
  font-size: 10px;
  font-weight: 550;
  color: #1a1e23;
}
.scale-rule {
  width: 80px;
  height: 3px;
  margin: 3px 0;
  background: linear-gradient(90deg, #1a1e23, #1a1e23) left center / 100% 2px no-repeat;
  border-left: 2px solid #1a1e23;
  border-right: 2px solid #1a1e23;
}
#scale-rule-fill { display: none; }
#cursor {
  min-width: 0;
  color: #2a3036;
  font: 550 10px/1 var(--font-mono);
  text-shadow: 0 1px 0 rgba(255, 255, 255, .4);
}
.layer-menu {
  top: auto !important;
  left: var(--space-2) !important;
  bottom: 54px !important;
  width: 268px !important;
  min-height: 0 !important;
  display: block !important;
  padding: 8px !important;
}
.layer-menu[hidden] { display: none !important; }
.layer-menu label {
  min-height: 42px;
  padding: 8px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  border-bottom: 1px solid var(--line);
  border-radius: var(--radius-sm);
  cursor: pointer;
}
.layer-menu label:last-child { border-bottom: 0; }
.layer-menu label > span { display: grid; gap: 2px; }
.layer-menu b { font-size: 12px; font-weight: 600; color: var(--text); }
.layer-menu small { color: var(--muted); font-size: 10px; }
.layer-menu input[type="checkbox"] {
  appearance: none;
  flex: none;
  width: 34px;
  height: 18px;
  position: relative;
  border: 1px solid var(--line-strong);
  background: var(--panel-inset);
  cursor: pointer;
  border-radius: 9px;
  transition: background var(--dur-fast) var(--ease-out), border-color var(--dur-fast) var(--ease-out);
}
.layer-menu input[type="checkbox"]::after {
  content: "";
  position: absolute;
  width: 10px;
  height: 10px;
  left: 3px;
  top: 3px;
  background: var(--dim);
  border-radius: 50%;
  transition: transform var(--dur-fast) var(--ease-out), background var(--dur-fast) var(--ease-out);
}
.layer-menu input[type="checkbox"]:checked {
  border-color: var(--accent);
  background: rgba(255, 255, 255, .12);
}
.layer-menu input[type="checkbox"]:checked::after {
  transform: translateX(16px);
  background: var(--accent);
}
.map-choice select {
  max-width: 128px;
  height: 30px;
  border: 1px solid var(--line-strong);
  background: var(--panel-inset);
  color: var(--text);
  font-size: 11px;
  border-radius: var(--radius-md);
  padding: 0 6px;
}

/* ——— Right drawer ——— */
#right-panel {
  top: 52px;
  right: 6px;
  width: min(384px, calc(100vw - 24px));
  max-height: calc(100vh - 100px);
  overflow: visible;
  border-color: var(--line-strong);
  background: var(--panel-solid);
  transform: none;
  opacity: 1;
  transition: transform var(--dur) var(--ease-out), opacity var(--dur) var(--ease-out);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-dock);
}
#right-panel.retracted {
  top: 52px;
  right: 6px;
  width: min(384px, calc(100vw - 24px));
  max-height: calc(100vh - 100px);
  overflow: visible;
  opacity: 1;
  transform: translateX(calc(100% + 10px));
}
.context-handle {
  position: absolute;
  left: auto;
  right: calc(100% + 10px);
  top: 0;
  width: 118px;
  min-height: 41px;
  padding: 0 10px;
  display: inline-flex;
  align-items: center;
  justify-content: flex-end;
  gap: 5px;
  border: 1px solid var(--line-strong);
  border-right: 1px solid var(--line-strong);
  background: var(--panel-solid);
  color: var(--muted);
  cursor: pointer;
  border-radius: var(--radius-md) 0 0 var(--radius-md);
  box-shadow: var(--shadow-dock);
}
.context-handle .ui-icon { width: 14px; height: 14px; }
.context-handle span {
  writing-mode: horizontal-tb;
  font-size: 13px;
  letter-spacing: .02em;
  font-weight: 550;
}
.context-expand-icon { transform: rotate(90deg); }
#right-panel.retracted .context-handle { transform: none; }
#right-panel:not(.retracted) .context-handle { display: none; }
.context-content {
  max-height: calc(100vh - 100px);
  overflow: auto;
  scrollbar-color: var(--dim) transparent;
  scrollbar-width: thin;
}
.context-head {
  min-height: 32px;
  padding: 4px 4px 4px 8px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 4px;
  border-bottom: 1px solid var(--line);
}
.context-head strong {
  font-size: 13px;
  font-weight: 650;
  letter-spacing: .02em;
}
.context-head .icon-control {
  width: 28px;
  height: 28px;
}
.context-view { padding: 2px 2px 4px; }
.context-view[hidden] { display: none !important; }
#tools-menu { display: grid !important; visibility: visible !important; opacity: 1 !important; }

.force-group-title {
  margin: 2px 0 1px;
  padding: 3px 5px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 4px;
  border-left: 2px solid currentColor;
  background: rgba(255, 255, 255, .04);
  font-size: 12px;
  font-weight: 650;
  letter-spacing: 0;
}
.force-group-title small {
  color: var(--muted);
  font: 500 11px/1 var(--font-mono);
}
.force-group-title.blue { color: var(--blue); }
.force-group-title.red { color: var(--red); }
.inventory-section-label {
  padding: 4px 4px 1px;
  color: var(--dim);
  font-size: 11px;
  letter-spacing: .04em;
}
.inventory-head,
.inventory-row {
  display: grid !important;
  grid-template-columns: minmax(70px, 1.16fr) minmax(28px, .42fr) minmax(38px, .54fr) minmax(40px, .58fr) minmax(40px, .58fr) minmax(36px, .5fr) !important;
  align-items: center;
  column-gap: 3px;
  row-gap: 0;
}
.inventory-head.naval,
.inventory-row.naval,
.inventory-head.air,
.inventory-row.air {
  grid-template-columns: minmax(70px, 1.16fr) minmax(28px, .42fr) minmax(38px, .54fr) minmax(40px, .58fr) minmax(40px, .58fr) minmax(36px, .5fr) !important;
}
.inventory-head {
  position: sticky;
  top: 0;
  z-index: 1;
  min-height: 22px;
  padding: 0 4px;
  background: var(--panel-solid);
  color: var(--muted);
  border-bottom: 1px solid var(--line);
  font-size: 12.1px !important;
  line-height: 1.1;
}
.inventory-row {
  width: 100%;
  min-height: 18px !important;
  height: 18px;
  margin: 0;
  padding: 0 4px !important;
  border: 0;
  border-bottom: 1px solid rgba(255, 255, 255, .05);
  background: transparent;
  color: var(--text);
  text-align: center;
  font-size: 13.2px !important;
  line-height: 1;
  cursor: pointer;
  border-radius: 0;
  transition: background var(--dur-fast) var(--ease-out);
}
.inventory-row .inventory-neutral {
  color: var(--text) !important;
}
.inventory-head span,
.inventory-row span,
.inventory-row b {
  width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  text-align: center;
}
.inventory-head span:first-child { text-align: left; }
.inventory-unit {
  display: flex;
  align-items: center;
  gap: 4px;
  min-width: 0;
  text-align: left !important;
}
.inventory-info {
  flex: 0 0 18px;
  width: 18px;
  height: 18px;
  zoom: 1 !important;
  display: inline-grid;
  place-items: center;
  color: var(--muted);
  cursor: help;
  transition: color var(--dur-fast) var(--ease-out), background var(--dur-fast) var(--ease-out), transform var(--dur-fast) var(--ease-out);
}
.inventory-info svg { width: 18px; height: 18px; display: block; }
.inventory-info:hover,
.inventory-info:focus-visible {
  color: var(--text);
  background: rgba(255, 255, 255, .10);
  transform: scale(1.06);
  outline: none;
}
.inventory-unit strong {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 14.3px;
  font-weight: 650;
  line-height: 1;
  flex: 1 1 auto;
  min-width: 0;
  text-align: left;
}
.inventory-unit .row-hp-bar {
  flex: 0 0 28px;
  width: 28px;
  margin: 0;
}
.row-hp-bar {
  display: block;
  width: 100%;
  height: 2px;
  background: rgba(255, 255, 255, .08);
  border-radius: 1px;
  overflow: hidden;
}
.row-hp-bar i { display: block; height: 100%; }
.inventory-cell {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 0;
}
.inventory-cell b { font: 650 19.8px/18px var(--font-mono); }
.inventory-cell i { font-style: normal; }
.inventory-denominator { color: var(--text); }
.inventory-row.sunk .inventory-hp-denominator { color: #5c6369; }
.inventory-row:hover { background: rgba(255, 255, 255, .04); }
.inventory-row.selected {
  background: rgba(255, 255, 255, .08);
  box-shadow: inset 2px 0 currentColor;
}
.inventory-row.sunk { opacity: .42; }
.inventory-divider { height: 3px; border-top: 1px solid var(--line-strong); }

.inventory-info-popover {
  position: fixed;
  z-index: calc(var(--z-popover) + 2);
  max-width: min(360px, calc(100vw - 16px));
  pointer-events: none;
  filter: drop-shadow(0 10px 24px rgba(0, 0, 0, .34));
}
.inventory-info-card {
  width: min(340px, calc(100vw - 16px));
  padding: 9px 10px 10px;
  border: 1px solid var(--line-strong);
  border-left: 2px solid var(--unit-accent, var(--text));
  border-radius: var(--radius-md);
  background: rgba(24, 27, 31, .98);
  color: var(--text);
}
.inventory-info-heading {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 7px;
  border-bottom: 1px solid var(--line);
}
.inventory-info-heading b { font-size: 13px; font-weight: 700; }
.inventory-info-heading small { color: var(--muted); font-size: 10px; }
.inventory-info-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 5px 10px;
  padding-top: 8px;
}
.inventory-info-metric {
  min-width: 0;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 7px;
}
.inventory-info-metric:last-child:nth-child(odd) { grid-column: 1 / -1; }
.inventory-info-metric small { color: var(--muted); font-size: 10px; white-space: nowrap; }
.inventory-info-metric b {
  min-width: 0;
  overflow: hidden;
  color: var(--text);
  font: 650 11px/1.2 var(--font-mono);
  text-align: right;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ——— Playback instrument ——— */
#bottom-bar {
  left: 50%;
  right: auto;
  bottom: var(--space-2);
  top: auto;
  width: auto;
  height: 48px;
  padding: 6px;
  display: flex;
  align-items: center;
  gap: 6px;
  border-color: var(--line-strong);
  background: var(--panel-solid);
  transform: translateX(-50%);
  font-size: 12px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-dock);
}
.play-button,
.reset-button {
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line-strong);
  background: rgba(255, 255, 255, .04);
  color: var(--text);
  cursor: pointer;
  border-radius: 50%;
  transition: background var(--dur-fast) var(--ease-out), transform var(--dur-fast) var(--ease-out);
}
.play-button:hover,
.reset-button:hover { background: rgba(255, 255, 255, .1); }
.play-button:active,
.reset-button:active { transform: scale(0.96); }
.play-button { color: var(--text); background: rgba(255, 255, 255, .1); }
.time-readout {
  min-width: 80px;
  padding: 0 10px;
  display: grid;
  gap: 2px;
  border-left: 1px solid var(--line);
}
.time-readout small {
  color: var(--muted);
  font-size: 9px;
  letter-spacing: .12em;
}
.time-readout span {
  min-width: 0 !important;
  color: var(--text) !important;
  font: 650 15px/1 var(--font-mono) !important;
}
.speed-control {
  min-width: 380px;
  padding: 0 10px;
  display: grid;
  grid-template-columns: 64px 236px;
  align-items: center;
  gap: 8px;
  border-left: 1px solid var(--line);
}
.speed-control span { color: var(--muted); font-size: 10px; }
.speed-control b { color: var(--text); font: 650 11px/1 var(--font-mono); }
.speed-control input {
  width: 236px;
  accent-color: #d0d4d8;
}
#speed { width: 236px; }

/* ——— Empty & placement ——— */
.empty-state {
  position: fixed;
  z-index: 2;
  left: 50%;
  top: 52%;
  width: min(460px, 84vw);
  padding: 28px 32px 30px;
  border: 1px solid var(--line-strong);
  background: var(--panel-solid);
  box-shadow: var(--shadow-overlay);
  text-align: center;
  transform: translate(-50%, -50%);
  border-radius: var(--radius-lg);
}
.empty-state[hidden] { display: none; }
.empty-close { position: absolute; top: 8px; right: 8px; }
.empty-state > span {
  color: var(--dim);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: .28em;
}
.empty-state h1 {
  margin: 12px 0 8px;
  color: var(--text);
  font-size: 20px;
  font-weight: 650;
  letter-spacing: .02em;
}
.empty-state p {
  margin: 0 auto 18px;
  max-width: 360px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.75;
}
.empty-state button:not(.empty-close) {
  min-height: 38px;
  padding: 0 18px;
  border: 1px solid var(--accent);
  background: var(--accent);
  color: #0a0c0e;
  cursor: pointer;
  font-size: 12px;
  font-weight: 650;
  border-radius: var(--radius-md);
  transition: background var(--dur-fast) var(--ease-out), transform var(--dur-fast) var(--ease-out);
}
.empty-state button:not(.empty-close):hover { background: #fff; }
.empty-state button:not(.empty-close):active { transform: scale(0.96); }
.empty-state a {
  margin-left: 14px;
  color: var(--muted);
  font-size: 11px;
  text-decoration: none;
}
.empty-state a:hover { color: var(--text); }

.placement-chip {
  position: fixed;
  z-index: var(--z-hud);
  left: 8px;
  top: 8px;
  width: 190px;
  min-height: 40px;
  padding: 6px 14px;
  display: grid;
  grid-template-columns: auto auto;
  gap: 2px 8px;
  align-items: center;
  border: 1px solid var(--line-strong);
  background: var(--panel-solid);
  color: var(--text);
  cursor: pointer;
  transform: none;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-dock);
}
.placement-chip[hidden] { display: none; }
.placement-chip .side-dot {
  grid-row: 1 / 3;
  width: 8px;
  height: 8px;
  background: var(--blue);
  border-radius: 50%;
}
.placement-chip.red .side-dot { background: var(--red); }
.placement-chip b { font-size: 12px; font-weight: 650; }
.placement-chip b,
.placement-chip small { white-space: nowrap; }
.placement-chip small { color: var(--muted); font-size: 10px; }
.placement-message {
  position: fixed;
  z-index: var(--z-hud);
  left: 8px;
  top: 64px;
  width: 190px;
  min-height: 18px;
  color: #8a3030;
  font-size: 14px;
  font-weight: 750;
  pointer-events: none;
  transform: none;
  white-space: normal;
  text-align: center;
  line-height: 1.35;
  text-shadow: 0 1px 0 rgba(255, 255, 255, .35);
}

/* ——— Equipment armory ——— */
.equipment-overlay {
  position: fixed;
  inset: 0;
  z-index: var(--z-overlay);
  padding: var(--space-3);
  background: rgba(6, 7, 8, .92);
  backdrop-filter: blur(20px);
}
.equipment-overlay[hidden] { display: none; }
.equipment-shell {
  height: 100%;
  max-width: 1540px;
  margin: 0 auto;
  display: grid;
  grid-template-rows: auto auto 1fr auto;
  border: 1px solid var(--line-strong);
  background: var(--panel-solid);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-overlay);
}
.equipment-head {
  min-height: 56px;
  padding: 8px 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  border-bottom: 1px solid var(--line);
}
.equipment-head small {
  color: var(--dim);
  font: 550 10px/1 var(--font-mono);
  letter-spacing: .22em;
}
.equipment-head h1 {
  margin: 0;
  font-size: 20px;
  font-weight: 650;
  letter-spacing: .04em;
}
.side-selector {
  display: flex;
  gap: 2px;
  padding: 3px;
  border: 1px solid var(--line-strong);
  background: var(--panel-inset);
  border-radius: var(--radius-md);
}
.side-selector button {
  min-width: 92px;
  height: 38px;
  border: 0;
  background: transparent;
  color: var(--muted);
  font-size: 12px;
  font-weight: 550;
  cursor: pointer;
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  transition: color var(--dur-fast) var(--ease-out), background var(--dur-fast) var(--ease-out);
}
.side-selector .side-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: currentColor;
  opacity: .4;
}
.side-selector .blue { color: var(--blue); }
.side-selector .red { color: var(--red); }
.side-selector button.active { opacity: 1; color: var(--text); }
.side-selector button.active .side-dot { opacity: 1; }
.side-selector .blue.active {
  background: rgba(53, 104, 196, .22);
  color: #c5d4f0;
}
.side-selector .red.active {
  background: rgba(184, 67, 67, .22);
  color: #efc4c4;
}
.side-selector button:hover:not(.active) {
  color: var(--text);
  background: rgba(255, 255, 255, .05);
}
.equipment-close {
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  border-radius: var(--radius-md);
}
.equipment-close:hover {
  color: var(--text);
  background: rgba(255, 255, 255, .06);
}
.equipment-controls {
  padding: 6px 12px;
  display: flex;
  align-items: center;
  gap: var(--space-3);
  border-bottom: 1px solid var(--line);
}
#equipment-categories {
  display: flex;
  gap: 4px;
  flex: 1;
  overflow-x: auto;
}
#equipment-categories button {
  height: 26px;
  padding: 0 9px;
  border: 1px solid transparent;
  background: transparent;
  color: var(--muted);
  font-size: 11px;
  cursor: pointer;
  border-radius: var(--radius-md);
  white-space: nowrap;
  transition: color var(--dur-fast) var(--ease-out), background var(--dur-fast) var(--ease-out), border-color var(--dur-fast) var(--ease-out);
}
#equipment-categories button.active {
  color: var(--text);
  border-color: var(--line-strong);
  background: rgba(255, 255, 255, .07);
}
#equipment-categories button:hover:not(.active) { color: var(--text); }
.equipment-search {
  width: min(320px, 28vw);
  height: 28px;
  padding: 0 10px;
  display: flex;
  align-items: center;
  gap: 7px;
  border: 1px solid var(--line);
  color: var(--muted);
  border-radius: var(--radius-md);
  background: var(--panel-inset);
}
.equipment-search:focus-within { border-color: var(--line-strong); }
.equipment-search input {
  width: 100%;
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--text);
  font-size: 12px;
}
.equipment-grid {
  min-height: 0;
  overflow: auto;
  display: grid;
  grid-template-columns: repeat(8, minmax(0, 1fr));
  align-content: start;
  gap: 14px 8px;
  padding: 10px;
  background: var(--panel-inset);
  scrollbar-color: var(--dim) transparent;
  scrollbar-width: thin;
}
.equipment-card {
  min-height: 0;
  padding: 6px;
  display: grid;
  min-height: 150px;
  grid-template-rows: auto auto auto 72px;
  gap: 4px;
  position: relative;
  border: 1px solid var(--line);
  background: var(--panel-solid);
  color: var(--text);
  text-align: left;
  cursor: pointer;
  border-radius: var(--radius-md);
  transition:
    background var(--dur-fast) var(--ease-out),
    border-color var(--dur-fast) var(--ease-out),
    transform var(--dur-fast) var(--ease-out),
    box-shadow var(--dur-fast) var(--ease-out);
}
.equipment-card::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  border-radius: inherit;
  background: rgba(10, 13, 16, .32);
  backdrop-filter: blur(0);
  opacity: 0;
  pointer-events: none;
  transition: opacity 180ms var(--ease-out), backdrop-filter 180ms var(--ease-out);
}
.equipment-card:hover,
.equipment-card:focus-visible {
  z-index: 1;
  background: #1a1e23;
  border-color: var(--line-strong);
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, .35);
}
.equipment-card:active { transform: scale(0.99); }
.equipment-card::after {
  content: "选择部署";
  position: absolute;
  right: 6px;
  bottom: 5px;
  color: var(--text);
  font-size: 9px;
  font-weight: 600;
  letter-spacing: .08em;
  opacity: 0;
  transform: translateY(3px);
  transition: opacity var(--dur-fast) var(--ease-out), transform var(--dur-fast) var(--ease-out);
}
.equipment-card:hover::after,
.equipment-card:focus-visible::after {
  opacity: .85;
  transform: none;
}
.equipment-art {
  position: relative;
  display: grid;
  place-items: end center;
  align-self: end;
  min-height: 72px;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(circle at 50% 70%, rgba(255, 255, 255, .05), transparent 62%),
    #0e1012;
  border-radius: var(--radius-sm);
}
/* Never stack a silhouette under real artwork — it shows through transparent pixels. */
.equipment-art:has(img) .art-fallback { display: none; }
.equipment-art img {
  display: block;
  width: 100%;
  height: 100%;
  max-height: 72px;
  object-fit: contain;
  object-position: center bottom;
  /* Line drawings: keep full silhouette, mild lift on dark panel */
  filter: contrast(1.12) brightness(1.06);
  /* The supplied monochrome plates use black as a matte; screen blending
     drops that matte against the dark art well while retaining the hull. */
  mix-blend-mode: screen;
  padding: 3px;
  box-sizing: border-box;
  pointer-events: none;
}
.equipment-art .art-fallback {
  width: 72%;
  height: 34px;
  border: 1px solid rgba(255, 255, 255, .18);
  background: rgba(255, 255, 255, .04);
  clip-path: polygon(0 55%, 12% 20%, 85% 15%, 100% 50%, 86% 82%, 10% 80%);
}
.equipment-name {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 3px;
  min-width: 0;
}
.equipment-name strong {
  font-size: 11px;
  font-weight: 650;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  min-width: 0;
}
.equipment-name b {
  flex: 0 0 auto;
  font-size: 10px;
  font-weight: 650;
  color: var(--muted);
}
.equipment-name small {
  color: var(--muted);
  font: 550 10px/1 var(--font-mono);
}
.equipment-role {
  color: var(--muted);
  font-size: 9px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.equipment-hover-name {
  position: absolute;
  z-index: 4;
  inset: 50% 8px auto;
  display: block;
  color: var(--text);
  font-size: 16px;
  font-weight: 700;
  line-height: 1.25;
  text-align: center;
  text-shadow: 0 1px 8px rgba(0, 0, 0, .65);
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 180ms var(--ease-out), transform 180ms var(--ease-out);
  pointer-events: none;
}
.equipment-hover-name strong,
.equipment-hover-name small { display: block; }
.equipment-hover-name small {
  margin-top: 3px;
  color: var(--muted);
  font: 600 11px/1 var(--font-mono);
  letter-spacing: .12em;
}
.equipment-side-hit {
  position: absolute;
  z-index: 3;
  inset: 0 auto 0 0;
  width: 50%;
  border-radius: inherit;
  opacity: 0;
  cursor: pointer;
  transition: opacity 180ms var(--ease-out), background 180ms var(--ease-out);
}
.equipment-side-red { left: 50%; }
.equipment-side-hit:hover,
.equipment-side-hit:focus-visible { opacity: 1; outline: 0; }
.equipment-side-blue:hover,
.equipment-side-blue:focus-visible { background: rgba(46, 112, 235, .28); }
.equipment-side-red:hover,
.equipment-side-red:focus-visible { background: rgba(210, 61, 68, .28); }
.equipment-card:has(.equipment-side-hit:hover)::before,
.equipment-card:has(.equipment-side-hit:focus-visible)::before,
.equipment-card:hover::before,
.equipment-card:focus-visible::before {
  opacity: 1;
  backdrop-filter: blur(4px);
}
.equipment-card:has(.equipment-side-hit:hover) .equipment-hover-name,
.equipment-card:has(.equipment-side-hit:focus-visible) .equipment-hover-name,
.equipment-card:hover .equipment-hover-name,
.equipment-card:focus-visible .equipment-hover-name {
  opacity: 1;
  transform: translateY(0);
}
.equipment-stats {
  position: relative;
  z-index: 5;
  display: flex;
  flex-wrap: wrap;
  align-content: start;
  gap: 3px;
  margin: 0 0 1px;
  min-height: 16px;
}
.equipment-stats i {
  padding: 2px 4px;
  border: 1px solid var(--line);
  color: var(--muted);
  font: 550 8px/1 var(--font-mono);
  font-style: normal;
  border-radius: 2px;
}
.custom-flag {
  position: absolute;
  left: 10px;
  top: 8px;
  padding: 2px 5px;
  background: var(--accent);
  color: #0a0c0e;
  font-size: 9px;
  font-weight: 650;
  border-radius: 2px;
}
.equipment-footer {
  min-height: 36px;
  padding: 0 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--muted);
  font-size: 10px;
  border-top: 1px solid var(--line);
}

.notice-card {
  width: min(360px, calc(100vw - 40px));
  text-align: center;
}
.notice-card p {
  margin: 0 0 8px;
  color: var(--text);
  font-size: 13px;
  line-height: 1.6;
}
.notice-card small {
  display: block;
  margin-bottom: 16px;
  color: var(--dim);
  font-size: 10px;
}
.notice-card .about-close { min-width: 88px; }

/* ——— Tutorial / tour ——— */
.tutorial-prompt {
  position: fixed;
  z-index: 30;
  left: var(--space-2);
  top: 66px;
  bottom: auto;
  width: 280px;
  padding: 14px;
  border: 1px solid var(--line-strong);
  background: var(--panel-solid);
  box-shadow: var(--shadow-dock);
  border-radius: var(--radius-md);
}
.tutorial-prompt[hidden] { display: none; }
.tutorial-prompt small {
  color: var(--dim);
  font-size: 10px;
  letter-spacing: .16em;
}
.tutorial-prompt strong {
  display: block;
  margin: 8px 0 6px;
  font-size: 13px;
}
.tutorial-prompt p {
  margin: 0 0 12px;
  color: var(--muted);
  font-size: 11px;
  line-height: 1.55;
}
.tutorial-prompt div { display: flex; gap: 6px; }
.tutorial-prompt button {
  min-height: 32px;
  padding: 0 10px;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--muted);
  font-size: 11px;
  cursor: pointer;
  border-radius: var(--radius-md);
}
.tutorial-prompt button:first-child {
  color: #0a0c0e;
  background: var(--accent);
  border-color: var(--accent);
  font-weight: 650;
}
.tour-overlay {
  position: fixed;
  inset: 0;
  z-index: var(--z-tour);
  pointer-events: none;
  background: rgba(0, 0, 0, .55);
}
.tour-overlay[hidden] { display: none; }
.tour-spotlight {
  position: fixed;
  border: 1.5px solid var(--accent);
  box-shadow: 0 0 0 9999px rgba(0, 0, 0, .58), 0 0 24px rgba(255, 255, 255, .08);
  transition: all var(--dur) var(--ease-out);
  border-radius: var(--radius-md);
}
.tour-card {
  position: fixed;
  width: 300px;
  padding: 16px;
  border: 1px solid var(--line-strong);
  background: var(--panel-solid);
  pointer-events: auto;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-overlay);
}
.tour-card small {
  color: var(--dim);
  font: 550 10px/1 var(--font-mono);
}
.tour-card h2 { margin: 8px 0; font-size: 15px; }
.tour-card p { color: var(--muted); font-size: 12px; line-height: 1.65; }
.tour-card div { display: flex; justify-content: space-between; gap: 8px; }
.tour-card button {
  min-width: 72px;
  height: 32px;
  border: 1px solid var(--line-strong);
  background: transparent;
  color: var(--text);
  font-size: 11px;
  cursor: pointer;
  border-radius: var(--radius-md);
}
.tour-card button:last-child {
  background: var(--accent);
  color: #0a0c0e;
  border-color: var(--accent);
  font-weight: 650;
}

/* ——— Overlays: about / save / load / mods ——— */
.about-overlay,
.mods-overlay {
  position: fixed;
  inset: 0;
  z-index: var(--z-overlay);
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(6, 7, 8, .88);
  backdrop-filter: blur(16px);
}
.about-overlay[hidden],
.mods-overlay[hidden] { display: none; }
.about-card,
.mods-card {
  border: 1px solid var(--line-strong);
  background: var(--panel-solid);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-overlay);
  color: var(--text);
}
.about-card {
  position: relative;
  min-width: min(420px, calc(100vw - 32px));
  width: min(720px, 92vw);
  max-height: 86vh;
  overflow: auto;
  padding: 20px 22px 16px;
  font: 400 13px/1.5 var(--font-ui);
}
.about-card h1,
.mods-title {
  color: var(--text);
  font: 650 18px/1.2 var(--font-ui);
  letter-spacing: .06em;
  margin: 0 0 8px;
  text-transform: none;
}
.about-card .about-version {
  font-size: 12px;
  color: var(--muted);
  margin-bottom: 12px;
  display: block;
}
.about-card h2 {
  margin: 14px 0 6px;
  font: 650 12px/1 var(--font-ui);
  color: var(--muted);
  letter-spacing: .12em;
  border-bottom: 1px solid var(--line);
  padding-bottom: 4px;
  text-transform: uppercase;
}
.about-card p { margin: 6px 0; color: var(--muted); }
.about-close {
  min-height: 36px;
  padding: 0 14px;
  border: 1px solid var(--line-strong);
  background: transparent;
  color: var(--text);
  font-size: 12px;
  cursor: pointer;
  border-radius: var(--radius-md);
}
.about-close.primary {
  border-color: var(--accent);
  background: var(--accent);
  color: #0a0c0e;
  font-weight: 650;
}
.about-close.primary:hover { background: #fff; }
.save-card { padding: var(--space-4); width: min(400px, 90vw); }
.save-card h1 { font-size: 18px; margin: 0 0 var(--space-3); }
.save-field {
  display: block;
  margin: 12px 0 6px;
  font-size: 12px;
  color: var(--muted);
}
.save-field input[type="text"] {
  display: block;
  width: 100%;
  min-height: 38px;
  margin-top: 4px;
  padding: 0 10px;
  font-size: 13px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-md);
  background: var(--panel-inset);
  color: var(--text);
}
.save-location {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin: 12px 0;
  font-size: 12px;
  color: var(--muted);
}
.save-location label {
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 32px;
  cursor: pointer;
}
.save-actions {
  display: flex;
  justify-content: flex-end;
  gap: var(--space-2);
  margin-top: var(--space-3);
}
.load-list {
  max-height: 48vh;
  overflow: auto;
  margin-top: 8px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
}
.load-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  min-height: 42px;
  padding: 8px 12px;
  border-bottom: 1px solid var(--line);
  cursor: pointer;
  font-size: 12px;
}
.load-row:hover { background: rgba(255, 255, 255, .04); }
.load-row .load-name { color: var(--text); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.load-row .load-date { color: var(--muted); flex-shrink: 0; }
.load-row .load-delete {
  flex-shrink: 0;
  min-height: 28px;
  padding: 0 8px;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--muted);
  font-size: 11px;
  border-radius: var(--radius-sm);
  cursor: pointer;
}
.load-row .load-delete:hover { color: var(--danger); border-color: var(--danger); }
.load-empty { padding: 16px 12px; color: var(--muted); font-size: 12px; }

/* ——— Unit Workshop (单位工坊) — polished monochrome editor ——— */
.mods-overlay.drop .mods-card {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent), var(--shadow-overlay);
}
.mods-overlay.drop .mods-dropzone {
  display: grid;
}
.mods-card {
  position: relative;
  width: min(1120px, 96vw);
  height: min(780px, 92vh);
  display: flex;
  flex-direction: column;
  font: 400 13px/1.4 var(--font-ui);
  zoom: 1;
  overflow: hidden;
}
.mods-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 18px;
  border-bottom: 1px solid var(--line);
  background: var(--panel-solid);
  flex: none;
}
.mods-head-text {
  display: grid;
  gap: 4px;
  min-width: 0;
}
.mods-title {
  font: 650 17px/1.15 var(--font-ui);
  letter-spacing: .04em;
  text-transform: none;
  margin: 0;
  color: var(--text);
}
.mods-hint {
  color: var(--muted);
  font-size: 12px;
  line-height: 1.35;
}
.mods-close {
  min-height: 36px;
  min-width: 72px;
  padding: 0 14px;
  border: 1px solid var(--line-strong);
  background: transparent;
  color: var(--text);
  font-size: 13px;
  font-weight: 550;
  cursor: pointer;
  border-radius: var(--radius-md);
  flex: none;
}
.mods-close:hover { background: rgba(255, 255, 255, .06); color: var(--text); }

.mods-dropzone {
  display: none;
  position: absolute;
  inset: 56px 12px 12px;
  z-index: 5;
  place-content: center;
  justify-items: center;
  gap: 6px;
  border: 2px dashed rgba(255, 255, 255, .35);
  border-radius: var(--radius-lg);
  background: rgba(10, 12, 14, .88);
  color: var(--text);
  pointer-events: none;
}
.mods-dropzone strong {
  font-size: 16px;
  font-weight: 650;
  letter-spacing: .06em;
}
.mods-dropzone span {
  color: var(--muted);
  font-size: 12px;
}

.mods-body {
  display: grid;
  grid-template-columns: minmax(220px, 28%) 1fr;
  flex: 1;
  min-height: 0;
}
.mods-list {
  width: auto;
  min-width: 0;
  overflow-y: auto;
  border-right: 1px solid var(--line);
  padding: 12px;
  background: var(--panel-inset);
  scrollbar-width: thin;
}
.mods-newbar {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-bottom: 12px;
}
.mods-new {
  flex: none;
  min-height: 36px;
  padding: 0 10px;
  border: 1px solid var(--line-strong);
  background: rgba(255, 255, 255, .04);
  color: var(--text);
  font-size: 12px;
  font-weight: 550;
  cursor: pointer;
  border-radius: var(--radius-md);
}
.mods-new:hover {
  border-color: var(--accent);
  background: rgba(255, 255, 255, .08);
  color: var(--text);
}
.mods-group { margin-bottom: 12px; }
.mods-group-h {
  color: var(--dim);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
  padding: 0 2px 6px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 6px;
}
.mods-item {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  text-align: left;
  min-height: 36px;
  padding: 8px 10px;
  border: 1px solid transparent;
  background: none;
  color: var(--text);
  font: 500 13px/1.2 var(--font-ui);
  cursor: pointer;
  border-radius: var(--radius-md);
  margin-bottom: 2px;
}
.mods-item:hover { background: rgba(255, 255, 255, .05); }
.mods-item.selected {
  background: rgba(255, 255, 255, .1);
  border-color: var(--line-strong);
}
.mods-item span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.mods-lock { color: var(--muted); font-size: 12px; flex: none; }
.mods-empty { color: var(--dim); padding: 8px 6px; font-size: 12px; }

.mods-detail {
  flex: 1;
  min-width: 0;
  overflow-y: auto;
  padding: 0;
  background: var(--panel-solid);
  scrollbar-width: thin;
}
.mods-placeholder {
  color: var(--muted);
  padding: 48px 24px;
  text-align: center;
  font-size: 13px;
  line-height: 1.6;
}

.mods-form {
  display: flex;
  flex-direction: column;
  gap: 0;
  min-height: 100%;
  padding: 0 0 20px;
}

/* Top action bar */
.mods-actions,
.mods-actions-top {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  position: sticky;
  top: 0;
  z-index: 2;
  padding: 12px 16px;
  margin: 0;
  border-bottom: 1px solid var(--line);
  background: rgba(18, 20, 24, .96);
  backdrop-filter: blur(10px);
}
.mods-btn {
  min-height: 36px;
  padding: 0 16px;
  border: 1px solid var(--line-strong);
  background: rgba(255, 255, 255, .05);
  color: var(--text);
  font: 550 13px/1 var(--font-ui);
  letter-spacing: .02em;
  cursor: pointer;
  border-radius: var(--radius-md);
  transition: background 120ms ease, border-color 120ms ease, color 120ms ease;
}
.mods-btn:hover {
  background: rgba(255, 255, 255, .1);
  border-color: rgba(255, 255, 255, .28);
}
.mods-btn.primary {
  border-color: var(--accent);
  background: var(--accent);
  color: #0a0c0e;
  font-weight: 650;
}
.mods-btn.primary:hover {
  background: #fff;
  border-color: #fff;
  color: #0a0c0e;
}
.mods-btn.danger {
  color: var(--danger);
  border-color: rgba(196, 90, 90, .45);
}
.mods-btn.danger:hover {
  background: rgba(196, 90, 90, .12);
  border-color: var(--danger);
}
.mods-dirty {
  color: var(--amber);
  font-size: 12px;
  font-weight: 550;
  margin-left: 4px;
}
.mods-errs {
  color: var(--danger);
  font-size: 12px;
  flex: 1 1 120px;
  min-width: 0;
  line-height: 1.35;
}

.mods-toprow {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 16px;
  padding: 14px 16px 4px;
  margin: 0;
}
.mods-typeshow {
  flex-direction: row;
  align-items: center;
  gap: 10px;
}
.mods-typeval {
  color: var(--text);
  font: 550 13px/1 var(--font-mono);
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--panel-inset);
}

.mods-section {
  border: 1px solid var(--line);
  margin: 12px 16px 0;
  padding: 12px 14px 14px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, .02);
}
.mods-section legend {
  color: var(--muted);
  font-size: 12px;
  font-weight: 650;
  letter-spacing: .08em;
  text-transform: uppercase;
  padding: 0 6px;
  margin-left: -2px;
}
.mods-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 12px 14px;
  margin-top: 4px;
}
.mods-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
}
.mods-flabel {
  color: var(--muted);
  font-size: 12px;
  font-weight: 550;
  letter-spacing: .02em;
  line-height: 1.2;
}
.mods-field input,
.mods-field select,
.mods-toprow select,
.mods-toprow input,
.mods-lo-row input,
.mods-lo-add select {
  min-height: 36px;
  padding: 0 10px;
  border: 1px solid var(--line-strong);
  background: var(--panel-inset);
  color: var(--text);
  font: 400 13px/1.2 var(--font-ui);
  width: 100%;
  border-radius: var(--radius-md);
  box-sizing: border-box;
}
.mods-field input:focus,
.mods-field select:focus,
.mods-toprow select:focus,
.mods-toprow input:focus,
.mods-lo-row input:focus,
.mods-lo-add select:focus {
  outline: 1.5px solid var(--focus-ring);
  outline-offset: 1px;
  border-color: var(--line-strong);
}
.mods-field input:disabled,
.mods-field select:disabled {
  opacity: .55;
  cursor: not-allowed;
}
.mods-uhint { color: var(--dim); font-weight: 400; }
.mods-help {
  color: var(--dim);
  font-size: 11px;
  line-height: 1.4;
}

/* Custom checkboxes */
.mods-check {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 32px;
  cursor: pointer;
  user-select: none;
  color: var(--text);
  font: 500 13px/1.2 var(--font-ui);
}
.mods-check input {
  position: absolute;
  opacity: 0;
  width: 1px;
  height: 1px;
  pointer-events: none;
}
.mods-check-ui {
  flex: none;
  width: 20px;
  height: 20px;
  border: 1.5px solid var(--line-strong);
  border-radius: 4px;
  background: var(--panel-inset);
  position: relative;
  transition: background 120ms ease, border-color 120ms ease, box-shadow 120ms ease;
}
.mods-check-ui::after {
  content: "";
  position: absolute;
  left: 6px;
  top: 2px;
  width: 5px;
  height: 10px;
  border: solid #0a0c0e;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg) scale(0);
  opacity: 0;
  transition: transform 120ms ease, opacity 120ms ease;
}
.mods-check input:checked + .mods-check-ui {
  background: var(--accent);
  border-color: var(--accent);
}
.mods-check input:checked + .mods-check-ui::after {
  opacity: 1;
  transform: rotate(45deg) scale(1);
}
.mods-check input:focus-visible + .mods-check-ui {
  outline: 1.5px solid var(--focus-ring);
  outline-offset: 2px;
}
.mods-check input:disabled + .mods-check-ui {
  opacity: .45;
}
.mods-check-text { min-width: 0; }
.mods-field-check {
  flex-direction: column;
  align-items: flex-start;
  gap: 4px;
}
.mods-checkgrid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 8px 12px;
  padding: 2px 0;
}
.mods-checkgrid .mods-check {
  min-height: 36px;
  padding: 6px 8px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--panel-inset);
}
.mods-checkgrid .mods-check:hover {
  border-color: var(--line-strong);
  background: rgba(255, 255, 255, .04);
}

/* Loadout */
.mods-loadout .mods-lo-row {
  display: grid;
  grid-template-columns: minmax(72px, 1fr) 96px 36px;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
}
.mods-lo-name {
  width: auto;
  color: var(--text);
  font: 550 13px/1 var(--font-mono);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.mods-lo-row input { width: 100%; }
.mods-lo-rm {
  border: 1px solid var(--line-strong);
  background: transparent;
  color: var(--danger);
  cursor: pointer;
  width: 36px;
  height: 36px;
  line-height: 1;
  font-size: 18px;
  border-radius: var(--radius-md);
}
.mods-lo-rm:hover {
  background: rgba(196, 90, 90, .12);
  border-color: var(--danger);
}
.mods-lo-add { margin-top: 8px; }
.mods-lo-add select { max-width: 280px; }
.mods-lo-hint {
  margin-top: 8px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.45;
  padding: 10px 12px;
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, .02);
}
.mods-lo-cells {
  color: var(--muted);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0;
  margin-left: 8px;
  text-transform: none;
}
.mods-lo-cells.over { color: var(--danger); }

/* Ship detail cards (if used) */
.ship-detail-card {
  min-width: var(--ship-card-width, 140px);
  max-width: var(--ship-card-width, 140px);
  margin: 0;
  padding: 8px 10px;
  border: 1px solid color-mix(in srgb, var(--ship-accent, var(--accent)) 35%, transparent);
  border-radius: var(--radius-md);
  background: var(--panel-solid);
  color: var(--muted);
  font: 400 11px/1.25 var(--font-ui);
}
.ship-detail-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 6px;
  padding-bottom: 4px;
  border-bottom: 1px solid var(--line);
}
.ship-detail-heading b {
  color: var(--ship-accent, var(--text));
  font-size: 12px;
  font-weight: 650;
}
.ship-detail-heading span { font-size: 11px; color: var(--text); }
.ship-detail-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 28px minmax(0, 1fr);
  gap: 3px 4px;
  align-items: center;
  width: 100%;
}
.ship-detail-grid > span,
.ship-detail-grid > b {
  min-width: 0;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
  font-size: 11px;
}
.ship-detail-grid > span { color: var(--muted); }
.ship-detail-grid > b {
  color: var(--text);
  font-weight: 550;
  text-align: right;
  font-variant-numeric: tabular-nums;
}
.subsystem-meter {
  display: block;
  width: 100%;
  height: 3px;
  overflow: hidden;
  border-radius: 1px;
  background: rgba(255, 255, 255, .1);
  margin: 0 auto;
}
.subsystem-meter i { display: block; height: 100%; }

.mobile-gate { display: none; }

@media (prefers-reduced-motion: reduce) {
  /* Keep spatial state changes legible even when reduced-motion is requested. */
}

@media (max-width: 1440px) {
  .equipment-grid { grid-template-columns: repeat(6, minmax(0, 1fr)); }
}

@media (max-width: 1240px) {
  .brand-lockup { min-width: 52px; padding: 7px 8px; }
  .brand-lockup span { display: none; }
  .battle-overview {
    width: min(680px, calc(100vw - 200px));
    min-width: min(545px, calc(100vw - 200px));
    max-width: calc(100vw - 200px);
  }
  .equipment-grid { grid-template-columns: repeat(5, minmax(0, 1fr)); }
}

@media (max-width: 1100px) {
  #brand-panel { height: auto; min-height: 44px; width: 116px; }
  .primary-actions .hud-button { width: 100%; min-height: 36px; padding: 0; }
  .primary-actions .hud-button > span { display: none; }
  .battle-overview {
    height: 44px;
    min-height: 44px;
    width: min(760px, calc(100vw - 260px));
    min-width: min(620px, calc(100vw - 260px));
    max-width: calc(100vw - 260px);
  }
  .force-summary {
    grid-template-columns: 40px repeat(6, minmax(0, 1fr));
    column-gap: 3px;
  }
  .force-side { width: 40px; }
  .summary-stat {
    padding: 0 1px;
    grid-template-rows: 18px 13px 2px;
    gap: 1px;
  }
  .summary-stat small {
    max-width: 3em;
    font-size: 9px;
    white-space: normal;
  }
  .summary-stat b { font-size: 11px; }
  #right-panel,
  #right-panel.retracted { top: 56px; max-height: calc(100vh - 112px); }
  .context-content { max-height: calc(100vh - 112px); }
  .equipment-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .equipment-card { grid-template-rows: auto auto auto 68px; }
  .equipment-art { min-height: 68px; }
  .equipment-art img { max-height: 68px; }
}

@media (max-height: 680px) {
  #brand-panel,
  .battle-overview,
  .top-actions { top: 4px; }
  #right-panel,
  #right-panel.retracted { top: 52px; max-height: calc(100vh - 100px); }
  .context-content { max-height: calc(100vh - 100px); }
  #bottom-bar,
  .map-hud { bottom: 4px; }
  .layer-menu { bottom: 50px !important; max-height: calc(100vh - 56px); overflow: auto; }
  .layer-menu label { min-height: 36px; }
  .tutorial-prompt { top: 54px; }
  .empty-state { top: 52%; padding-top: 20px; padding-bottom: 20px; }
  .equipment-head { min-height: 56px; }
  .equipment-card { grid-template-rows: auto auto auto 64px; }
  .equipment-art { min-height: 64px; }
  .equipment-art img { max-height: 64px; }
}

@media (max-width: 959px), (max-height: 559px) {
  .sandbox-page #app,
  .sandbox-page > .equipment-overlay,
  .sandbox-page > .mods-overlay,
  .sandbox-page > .about-overlay,
  .sandbox-page > .tutorial-prompt,
  .sandbox-page > .tour-overlay { display: none !important; }
  .sandbox-page { overflow: auto; background: var(--bg); }
  .mobile-gate {
    min-height: 100dvh;
    padding: 48px 24px;
    display: grid;
    place-content: center;
    justify-items: center;
    text-align: center;
    background: var(--bg);
  }
  .mobile-gate img {
    width: 54px;
    filter: grayscale(1) brightness(1.15);
  }
  .mobile-gate h1 { margin: 20px 0 var(--space-2); font-size: 22px; }
  .mobile-gate p {
    max-width: 440px;
    color: var(--muted);
    font-size: 13px;
    line-height: 1.8;
  }
  .mobile-gate a {
    margin-top: var(--space-4);
    padding: 10px 16px;
    border: 1px solid var(--line-strong);
    color: var(--text);
    text-decoration: none;
    border-radius: var(--radius-md);
  }
}

@media (min-width: 1600px) {
  .equipment-grid { grid-template-columns: repeat(8, minmax(0, 1fr)); }
}