:root {
  color-scheme: light;
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: #1c2126;
  background: #eef1f2;
  font-size: 16px;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
  --page-bg: #eef1f2;
  --surface-bg: #f8f9f8;
  --popover-bg: rgba(255, 255, 255, 0.98);
  --text-fg: #1c2126;
  --text-muted: #65717c;
  --heading-muted: #5c6670;
  --panel-text: #34404a;
  --border-subtle: #cbd3d8;
  --shadow-elevated: rgba(16, 24, 32, 0.18);
  --side-pane-width: 420px;
  --side-pane-min-width: 300px;
  --side-pane-max-width: 760px;
  --pane-resizer-width: 10px;
  --control-height: 32px;
  --control-radius: 6px;
  --control-border: #ccd4d8;
  --control-bg: #ffffff;
  --control-fg: #1f282f;
  --control-disabled-bg: #eef1f2;
  --control-disabled-fg: #7a858e;
  --control-focus: #2f6f7e;
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --page-bg: #20272c;
  --surface-bg: #182126;
  --popover-bg: rgba(27, 36, 42, 0.98);
  --text-fg: #edf2f4;
  --text-muted: #b8c4ca;
  --heading-muted: #c3cdd2;
  --panel-text: #d8e1e5;
  --border-subtle: #516069;
  --shadow-elevated: rgba(0, 0, 0, 0.42);
  --control-border: #66747c;
  --control-bg: #263138;
  --control-fg: #edf2f4;
  --control-disabled-bg: #20292f;
  --control-disabled-fg: #8e9aa1;
  --control-focus: #73bac6;
}

* {
  box-sizing: border-box;
}

html {
  height: 100%;
  background: var(--page-bg);
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  margin: 0;
  height: 100%;
  overflow: hidden;
  background: var(--page-bg);
  color: var(--text-fg);
  line-height: 1.4;
  -webkit-font-smoothing: antialiased;
}

button,
select,
input {
  font: inherit;
  color: inherit;
  letter-spacing: 0;
}

button {
  -webkit-appearance: none;
  appearance: none;
  border: 0;
  background: transparent;
  cursor: pointer;
}

button::-moz-focus-inner {
  border: 0;
  padding: 0;
}

select {
  cursor: pointer;
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.58;
}

select:disabled,
input:disabled {
  cursor: not-allowed;
}

button:focus-visible,
select:focus-visible,
input:focus-visible {
  outline: 2px solid var(--control-focus);
  outline-offset: 2px;
}

a {
  color: #285e74;
}

a:visited {
  color: #514b82;
}

.app-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr) var(--pane-resizer-width) minmax(var(--side-pane-min-width), var(--side-pane-width));
  height: 100vh;
  height: 100dvh;
  min-height: 0;
  overflow: hidden;
}

.app-shell.resizing,
.app-shell.resizing * {
  cursor: col-resize;
  user-select: none;
}

.board-pane {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto;
  gap: 10px;
  height: 100%;
  min-height: 0;
  min-width: 0;
  overflow: hidden;
  padding: 18px;
}

.topbar {
  position: relative;
  z-index: 3;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

h1,
h2,
p {
  margin: 0;
}

h1 {
  font-size: 24px;
  font-weight: 700;
}

h2 {
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--heading-muted);
}

h3 {
  margin: 0;
  color: var(--text-fg);
  font-size: 13px;
  font-weight: 800;
}

#phaseLabel {
  margin-top: 3px;
  color: var(--text-muted);
}

.toolbar {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  flex-wrap: wrap;
}

.toggle {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  min-height: 34px;
  padding: 0 10px;
  border: 1px solid #cbd3d8;
  border-radius: 6px;
  background: #ffffff;
  color: #2f3840;
}

.toggle input {
  accent-color: #2f6f7e;
}

.settings-menu {
  position: relative;
}

.settings-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 34px;
  padding: 0 12px;
  border: 1px solid var(--border-subtle);
  border-radius: 6px;
  background: var(--control-bg);
  color: var(--control-fg);
  line-height: 1;
}

.settings-button:hover,
.settings-button:focus-visible,
.settings-button[aria-expanded="true"] {
  border-color: var(--control-focus);
  color: var(--control-focus);
}

.settings-panel {
  position: absolute;
  z-index: 5;
  top: calc(100% + 8px);
  right: 0;
  display: grid;
  width: max-content;
  min-width: 280px;
  max-width: calc(100vw - 36px);
  gap: 14px;
  padding: 14px;
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  background: var(--popover-bg);
  box-shadow: 0 10px 24px var(--shadow-elevated);
}

.settings-panel[hidden] {
  display: none;
}

.settings-group {
  display: grid;
  gap: 8px;
  padding-top: 12px;
  border-top: 1px solid var(--border-subtle);
}

.settings-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
  min-height: 32px;
  color: var(--panel-text);
}

.settings-row input {
  accent-color: var(--control-focus);
}

.settings-row-select {
  grid-template-columns: minmax(0, 1fr) minmax(112px, auto);
}

.settings-row select {
  height: 30px;
  border: 1px solid var(--control-border);
  border-radius: var(--control-radius);
  background: var(--control-bg);
  color: var(--control-fg);
  padding: 0 8px;
}

.map-frame {
  position: relative;
  min-height: 0;
  border: 1px solid #bdc8ce;
  border-radius: 8px;
  overflow: hidden;
  background: #a8ccd7;
}

#board {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 0;
  cursor: grab;
  touch-action: none;
  user-select: none;
}

#board.map-panning {
  cursor: grabbing;
}

.map-view-controls {
  position: absolute;
  z-index: 2;
  top: 10px;
  right: 10px;
  display: grid;
  grid-template-columns: 36px;
  gap: 6px;
  pointer-events: none;
}

.map-view-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  min-height: 32px;
  border: 1px solid rgba(16, 24, 32, 0.3);
  border-radius: var(--control-radius);
  background: rgba(255, 255, 255, 0.92);
  color: #1f282f;
  font-size: 18px;
  font-weight: 700;
  line-height: 1;
  padding: 0;
  box-shadow: 0 1px 4px rgba(16, 24, 32, 0.16);
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
  pointer-events: auto;
}

.map-view-fit {
  font-size: 12px;
}

.map-view-button:hover,
.map-view-button:focus-visible {
  border-color: var(--control-focus);
  color: #143f49;
}

.map-view-button:disabled {
  color: #7a858e;
  cursor: not-allowed;
  opacity: 0.72;
}

.map-view-button[hidden] {
  display: none;
}

.map-water {
  fill: #a9cbd7;
}

.map-image {
  opacity: 0.94;
}

.map-land-shadow {
  pointer-events: none;
}

.ownership-region {
  pointer-events: none;
}

.supply-center-region {
  opacity: 0.32;
}

.last-occupier-region {
  opacity: 0.16;
}

.order-arrows {
  pointer-events: none;
}

.order-arrow {
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
  vector-effect: non-scaling-stroke;
}

.order-arrow-marker {
  fill: none;
  stroke: transparent;
  stroke-width: 2.25px;
  vector-effect: non-scaling-stroke;
}

.order-arrow.move {
  stroke: #111820;
  stroke-width: 2.25px;
}

.order-arrow.support {
  stroke: #111820;
  stroke-dasharray: 7 4.5;
  stroke-width: 2.25px;
}

.order-arrow.convoy {
  stroke: #1f6f9c;
  stroke-dasharray: 2.5 5;
  stroke-width: 2.25px;
}

.order-arrow-node {
  fill: #ffffff;
  stroke-width: 2.2px;
  vector-effect: non-scaling-stroke;
}

.order-arrow-node.support {
  stroke: #111820;
}

.order-arrow-node.convoy {
  fill: #e7f4fb;
  stroke: #1f6f9c;
}

.province {
  cursor: pointer;
}

.province:focus {
  outline: none;
}

.province-hit {
  fill: transparent;
  pointer-events: all;
  stroke: transparent;
  stroke-width: 1.4;
}

.province:focus-visible .province-hit,
.province.selected .province-hit {
  fill: rgba(255, 255, 255, 0.18);
  stroke: #101820;
  stroke-width: 2.4;
}

.province.order-source .province-hit {
  fill: rgba(47, 111, 126, 0.16);
  stroke: #2f6f7e;
  stroke-width: 2.2;
}

.province.order-source.order-drafting .province-hit {
  stroke-dasharray: 5 3;
  stroke-width: 2.4;
}

.province.order-target .province-hit {
  fill: rgba(17, 24, 32, 0.12);
  stroke: #111820;
  stroke-dasharray: 4 3;
  stroke-width: 2.1;
}

.ownership-marker {
  stroke: #30353a;
  stroke-width: 1.1;
}

.province-label {
  fill: #20272d;
  font-size: 8px;
  font-weight: 800;
  text-anchor: middle;
  paint-order: stroke;
  stroke: rgba(255, 255, 255, 0.78);
  stroke-width: 2.4px;
  stroke-linejoin: round;
}

.hide-labels .province-label {
  display: none;
}

.unit-body {
  stroke: #111820;
  stroke-width: 1.1;
}

.unit-label {
  fill: #111820;
  font-size: 8px;
  font-weight: 800;
  text-anchor: middle;
  pointer-events: none;
}

.pane-resizer {
  position: relative;
  cursor: col-resize;
  touch-action: none;
  background: var(--page-bg);
  border-left: 1px solid var(--border-subtle);
  border-right: 1px solid var(--border-subtle);
}

.pane-resizer::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 2px;
  height: 56px;
  border-radius: 999px;
  background: #8b98a1;
  box-shadow: -3px 0 0 #8b98a1, 3px 0 0 #8b98a1;
  transform: translate(-50%, -50%);
}

.pane-resizer:hover::before,
.pane-resizer:focus-visible::before,
.app-shell.resizing .pane-resizer::before {
  background: #2f6f7e;
  box-shadow: -3px 0 0 #2f6f7e, 3px 0 0 #2f6f7e;
}

.pane-resizer:focus-visible {
  outline: 2px solid #2f6f7e;
  outline-offset: -2px;
}

.side-pane {
  background: var(--surface-bg);
  height: 100%;
  min-height: 0;
  overflow: auto;
  padding: 18px;
}

.panel + .panel {
  margin-top: 24px;
}

.selection {
  margin-top: 12px;
  display: grid;
  gap: 8px;
}

.selected-title {
  font-size: 20px;
  font-weight: 700;
}

.meta-row,
.unit-row,
.empty-row,
.hint {
  color: var(--panel-text);
  line-height: 1.35;
}

.hint {
  margin: 10px 0 0;
  font-size: 13px;
}

.unit-row,
.power-row {
  display: flex;
  align-items: center;
  gap: 9px;
}

.swatch {
  width: 12px;
  height: 12px;
  border: 1px solid rgba(0, 0, 0, 0.24);
  border-radius: 50%;
  flex: 0 0 auto;
}

.order-actions {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px;
  margin-top: 12px;
}

.map-order-controls {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
}

.map-order-button {
  -webkit-appearance: none;
  appearance: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  border: 1px solid var(--border-subtle);
  border-radius: var(--control-radius);
  background: var(--control-bg);
  color: var(--control-fg);
  font-weight: 700;
  line-height: 1;
  box-shadow: 0 1px 0 rgba(16, 24, 32, 0.08);
}

.map-order-button.active,
.map-order-button[aria-pressed="true"] {
  border-color: #143f49;
  background: #245f6b;
  color: #ffffff;
  box-shadow:
    inset 0 2px 5px rgba(16, 24, 32, 0.32),
    0 0 0 2px rgba(47, 111, 126, 0.22);
}

.primary-button,
.secondary-button {
  -webkit-appearance: none;
  appearance: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 36px;
  border-radius: var(--control-radius);
  border: 1px solid #2f6f7e;
  padding: 0 12px;
  line-height: 1;
}

.primary-button {
  background: #2f6f7e;
  color: #ffffff;
  font-weight: 700;
}

.secondary-button {
  background: var(--control-bg);
  color: var(--control-focus);
}

.order-list,
.result-list,
.power-list {
  display: grid;
  gap: 7px;
  margin-top: 12px;
}

.order-row {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(86px, 98px) minmax(0, 1fr) minmax(72px, 92px);
  gap: 6px;
  align-items: center;
}

.order-row.compact {
  grid-template-columns: minmax(128px, 1fr) auto;
}

.order-unit,
.power-row {
  min-height: var(--control-height);
  border: 1px solid #d8dee1;
  border-radius: var(--control-radius);
  background: var(--control-bg);
  color: var(--control-fg);
}

.order-unit {
  -webkit-appearance: none;
  appearance: none;
  min-width: 0;
  height: var(--control-height);
  padding: 0 8px;
  text-align: left;
  line-height: calc(var(--control-height) - 2px);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.order-unit.order-static {
  display: flex;
  align-items: center;
  line-height: 1.2;
}

.order-summary {
  color: #53606a;
}

.order-select {
  -webkit-appearance: none;
  appearance: none;
  min-width: 0;
  width: 100%;
  height: var(--control-height);
  border: 1px solid var(--control-border);
  border-radius: var(--control-radius);
  background-color: var(--control-bg);
  background-image: url("data:image/svg+xml,%3Csvg width='14' height='14' viewBox='0 0 14 14' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M3.5 5.25 7 8.75l3.5-3.5' fill='none' stroke='%23596670' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 7px center;
  background-size: 14px 14px;
  color: var(--control-fg);
  line-height: calc(var(--control-height) - 2px);
  padding: 0 28px 0 8px;
}

.order-select:disabled {
  background-color: var(--control-disabled-bg);
  background-image: url("data:image/svg+xml,%3Csvg width='14' height='14' viewBox='0 0 14 14' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M3.5 5.25 7 8.75l3.5-3.5' fill='none' stroke='%237a858e' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  color: var(--control-disabled-fg);
  opacity: 1;
}

.order-power-field {
  border-color: rgba(16, 24, 32, 0.42);
  background-color: var(--order-power-bg);
  color: var(--order-power-fg);
  box-shadow:
    inset 0 0 0 1px rgba(255, 255, 255, 0.22),
    0 1px 0 rgba(16, 24, 32, 0.12);
}

.order-select.order-power-field {
  background-color: var(--order-power-bg);
  color: var(--order-power-fg);
}

.order-select.order-power-field.light {
  background-image: url("data:image/svg+xml,%3Csvg width='14' height='14' viewBox='0 0 14 14' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M3.5 5.25 7 8.75l3.5-3.5' fill='none' stroke='%23111820' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
}

.order-select.order-power-field.dark {
  background-image: url("data:image/svg+xml,%3Csvg width='14' height='14' viewBox='0 0 14 14' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M3.5 5.25 7 8.75l3.5-3.5' fill='none' stroke='%23ffffff' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
}

.order-power-field:disabled {
  opacity: 0.76;
}

.order-field.empty {
  min-width: 0;
  min-height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid #d8dee1;
  border-radius: var(--control-radius);
  background: var(--control-disabled-bg);
  color: var(--control-disabled-fg);
  font-size: 12px;
  font-weight: 700;
  user-select: none;
}

.result-row {
  display: grid;
  grid-template-columns: 68px minmax(0, 1fr);
  gap: 8px;
  align-items: start;
  padding: 7px 8px;
  border: 1px solid #d8dee1;
  border-radius: 6px;
  background: #ffffff;
}

.result-row.succeeds .result-status {
  color: #237150;
}

.result-row.fails .result-status {
  color: #8b5c16;
}

.result-row.invalid .result-status {
  color: #a13b32;
}

.result-status {
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
}

.result-text {
  color: #34404a;
  line-height: 1.25;
}

.result-summary {
  color: #20272d;
  font-weight: 700;
}

.power-row {
  width: 100%;
  padding: 0 8px;
}

.power-name {
  flex: 1;
}

.power-count {
  color: #596670;
  font-variant-numeric: tabular-nums;
}

.attribution {
  margin-top: 24px;
  color: #64717c;
  font-size: 12px;
  line-height: 1.35;
}

@media (max-width: 720px) {
  .app-shell {
    grid-template-columns: 1fr;
    width: 100%;
    max-width: 100vw;
    height: auto;
    min-height: 100vh;
    min-height: 100dvh;
    overflow: visible;
  }

  body {
    height: auto;
    min-height: 100%;
    overflow: auto;
  }

  .board-pane {
    width: 100%;
    max-width: 100vw;
    height: 100vh;
    height: 100dvh;
  }

  .pane-resizer {
    display: none;
  }

  .side-pane {
    border-top: 1px solid #cbd3d8;
    width: 100%;
    min-width: 0;
    height: auto;
    min-height: 0;
  }

  .topbar {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: flex-start;
    width: 100%;
  }

  .toolbar {
    grid-column: 2;
    justify-content: flex-end;
    margin-left: 0;
  }

  .settings-menu {
    position: fixed;
    z-index: 10;
    top: 18px;
    right: 18px;
    justify-self: end;
  }

  .settings-panel {
    position: fixed;
    top: 64px;
    right: 18px;
    min-width: 0;
    width: min(320px, calc(100vw - 36px));
    max-height: calc(100dvh - 82px);
    overflow: auto;
  }

  .map-frame,
  #board {
    min-height: 0;
  }

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