:root {
  --bg-1: #d8f3dc;
  --bg-2: #95d5b2;
  --card: #ffffff;
  --ink: #173b2f;
  --ink-soft: #406a5c;
  --accent: #2d6a4f;
  --accent-2: #40916c;
  --danger: #b64949;
  --ok: #2f8f57;
  --wire: #245842;
  --wire-active: #2f8f57;
  --shadow: 0 14px 30px rgba(23, 59, 47, 0.14);
  --radius: 18px;
  --hud-core-h: 58px;
  --hud-res-h: 34px;
  --top-h: calc(var(--hud-core-h) + var(--hud-res-h) + 10px);
  --bottom-h: 350px;
  --safe-b: env(safe-area-inset-bottom, 0px);
  --pad: 8px;
}

* {
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Trebuchet MS", "Segoe UI", sans-serif;
  color: var(--ink);
  background: radial-gradient(circle at 20% 10%, var(--bg-1), var(--bg-2));
  position: relative;
  overflow: hidden;
}

.background-shape {
  position: fixed;
  inset: auto -180px -160px auto;
  width: 420px;
  height: 420px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.28);
  pointer-events: none;
}

.app {
  width: 100%;
  height: 100vh;
}

.card {
  background: var(--card);
  box-shadow: var(--shadow);
  padding: 8px;
  border: 1px solid rgba(23, 59, 47, 0.08);
}

.hud-top {
  position: fixed;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: min(1200px, 100vw);
  height: var(--top-h);
  z-index: 30;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  align-items: stretch;
  gap: 6px;
  padding: 8px;
  border-bottom: 1px solid rgba(23, 59, 47, 0.1);
}

.hud-core {
  min-height: var(--hud-core-h);
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 8px;
}

h1,
h2 {
  margin: 0;
}

h1 {
  font-size: clamp(1.6rem, 3.5vw, 2rem);
  line-height: 1.1;
}

h2 {
  font-size: 1.15rem;
}

.subtitle,
.muted {
  color: var(--ink-soft);
  margin: 6px 0 0;
}

.stats {
  display: flex;
  flex-wrap: nowrap;
  gap: 6px;
  width: 100%;
  overflow-x: auto;
}

.stat {
  min-width: 86px;
  padding: 6px 8px;
  border-radius: 10px;
  background: #eef9f2;
  border: 1px solid rgba(45, 106, 79, 0.16);
}

.stat span {
  display: block;
  font-size: 0.78rem;
  color: var(--ink-soft);
}

.stat strong {
  font-size: 0.9rem;
  font-variant-numeric: tabular-nums;
}

.resource-strip {
  min-height: var(--hud-res-h);
  border-radius: 10px;
  border: 1px solid rgba(45, 106, 79, 0.16);
  background: #eef9f2;
  padding: 4px 6px;
  display: flex;
  gap: 6px;
  align-items: center;
  overflow-x: auto;
  white-space: nowrap;
}

.res-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border-radius: 999px;
  padding: 3px 8px;
  background: rgba(64, 106, 92, 0.14);
  color: var(--ink);
  font-size: 0.78rem;
  font-weight: 700;
  border: 0;
}

.res-chip strong {
  font-variant-numeric: tabular-nums;
}

.res-chip.locked {
  opacity: 0.75;
}

.resource-panel {
  position: fixed;
  top: calc(var(--top-h) + 8px);
  right: max(8px, calc((100vw - min(1200px, 100vw)) / 2 + 8px));
  z-index: 40;
  width: min(320px, calc(100vw - 16px));
  max-height: min(48vh, 360px);
  overflow: auto;
  border-radius: 12px;
  border: 1px solid rgba(23, 59, 47, 0.18);
  background: rgba(255, 255, 255, 0.98);
  box-shadow: var(--shadow);
  padding: 8px;
}

.res-panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 6px;
}

.res-panel-head h3 {
  margin: 0;
  font-size: 0.95rem;
}

.res-panel-head button {
  min-height: 32px;
  padding: 4px 10px;
  border-radius: 8px;
}

.res-row {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr 0.8fr;
  gap: 8px;
  align-items: center;
  padding: 6px 2px;
  border-bottom: 1px dashed rgba(23, 59, 47, 0.18);
  font-size: 0.84rem;
}

.res-row strong {
  font-variant-numeric: tabular-nums;
}

.layout {
  display: none;
}

.map-card {
  grid-row: auto;
  height: 100%;
  padding: 6px;
}

.section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.map-board {
  margin-top: 0;
  width: 100%;
  height: 100%;
  position: relative;
  border-radius: 16px;
  overflow: hidden;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.42), rgba(255, 255, 255, 0)),
    #edf5ef;
  border: 1px solid rgba(23, 59, 47, 0.15);
  touch-action: none;
}

.map-world {
  position: absolute;
  top: 0;
  left: 0;
  transform-origin: 0 0;
  transform: translate3d(0, 0, 0);
  will-change: transform;
}

.map-stage {
  position: fixed;
  top: calc(var(--top-h) + var(--pad));
  bottom: calc(var(--bottom-h) + var(--safe-b));
  left: 50%;
  transform: translateX(-50%);
  width: min(1200px, 100vw);
  z-index: 10;
  padding: 0 var(--pad);
}

.grid-cells {
  position: absolute;
  inset: 0;
  display: grid;
  touch-action: manipulation;
}

.grid-cell {
  border: 1px solid rgba(64, 106, 92, 0.2);
  background: rgba(255, 255, 255, 0.15);
  position: relative;
  padding: 0;
  cursor: pointer;
  min-height: 36px;
}

.grid-cell .tile {
  position: absolute;
  inset: 4px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: clamp(0.7rem, 1.6vw, 0.86rem);
  font-weight: 700;
  color: #fff;
  user-select: none;
}

.tile.miner {
  background: linear-gradient(145deg, #357960, #245842);
}

.tile.wood_miner {
  background: linear-gradient(145deg, #7f5a3a, #5f4128);
}

.tile.iron_miner {
  background: linear-gradient(145deg, #4f6d8b, #3b536d);
}

.tile.coal_miner {
  background: linear-gradient(145deg, #55595f, #3d4146);
}

.tile.copper_miner {
  background: linear-gradient(145deg, #aa6746, #8d5136);
}

.tile.forge {
  background: linear-gradient(145deg, #7a4b58, #5b3841);
}

.tile.assembler {
  background: linear-gradient(145deg, #4a6a92, #344f70);
}

.tile.warehouse {
  background: linear-gradient(145deg, #7a6a3a, #5d512c);
}

.tile.market {
  background: linear-gradient(145deg, #8a4d2f, #6f3f26);
}

.tile.pole {
  background: linear-gradient(145deg, #4f5b66, #34404a);
}

.grid-cell.selected {
  outline: 3px solid #ffc94f;
  outline-offset: -3px;
}

.grid-cell.pending {
  outline: 3px solid #50a8ff;
  outline-offset: -3px;
}

.grid-cell.hover-target {
  outline: 3px solid #78c6ff;
  outline-offset: -3px;
}

.cable-layer {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.cable-line {
  stroke: var(--wire);
  stroke-width: 5;
  stroke-linecap: round;
}

.cable-line.active {
  stroke: var(--wire-active);
}

.cable-line.flow-faded {
  opacity: 0.22;
}

.cable-line.flow-match {
  opacity: 1;
  stroke-width: 6;
}

.cable-line.flow-stone { stroke: #6f7f8f; }
.cable-line.flow-wood { stroke: #8a6a48; }
.cable-line.flow-iron { stroke: #53779d; }
.cable-line.flow-coal { stroke: #55595f; }
.cable-line.flow-copper { stroke: #b06a48; }
.cable-line.flow-parts { stroke: #8e5a7f; }
.cable-line.flow-steel { stroke: #648189; }
.cable-line.flow-plates { stroke: #56a1a1; }
.cable-line.flow-modules { stroke: #3d8b5c; }
.cable-line.flow-circuits { stroke: #3f9f7b; }
.cable-line.flow-frames { stroke: #7b8b4a; }

.cable-preview {
  stroke: #50a8ff;
  stroke-width: 4;
  stroke-linecap: round;
  stroke-dasharray: 8 6;
}

.info-row {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  padding: 8px 0;
  border-bottom: 1px dashed rgba(23, 59, 47, 0.2);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 8px;
}

.actions.compact button {
  min-height: 40px;
  padding: 8px 10px;
}

.tool-row {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
  margin-top: 8px;
}

.mode-row {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.action-row {
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.buy-picker {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 8px;
  padding: 6px;
  border-radius: 10px;
  background: #eef9f2;
  border: 1px solid rgba(45, 106, 79, 0.14);
  flex-wrap: wrap;
}

.buy-picker span,
.quick-info span {
  font-size: 0.82rem;
  color: var(--ink-soft);
  font-weight: 700;
}

.buy-picker button {
  min-height: 36px;
  padding: 6px 10px;
  border-radius: 9px;
}

.buy-title {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 3px 9px;
  border-radius: 999px;
  background: rgba(45, 106, 79, 0.2);
  color: var(--ink);
  font-size: 0.75rem;
  font-weight: 800;
}

.quick-info {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 6px;
  margin-top: 8px;
  font-size: 0.8rem;
}

button {
  border: 0;
  border-radius: 12px;
  background: var(--accent);
  color: white;
  font-weight: 700;
  padding: 10px 13px;
  min-height: 44px;
  cursor: pointer;
}

button:active:not(:disabled) {
  transform: scale(0.98);
}

button:hover:not(:disabled) {
  background: var(--accent-2);
}

button.active {
  background: #1f513d;
  box-shadow: inset 0 0 0 2px rgba(255, 255, 255, 0.28);
}

button:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.res-more {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 24px;
  padding: 3px 8px;
  border-radius: 999px;
  background: rgba(45, 106, 79, 0.2);
  color: var(--ink);
  font-size: 0.78rem;
  font-weight: 700;
}

.res-more:hover:not(:disabled) {
  background: rgba(45, 106, 79, 0.3);
}

#toolDeleteBtn {
  background: var(--danger);
}

#toolDeleteBtn:hover:not(:disabled) {
  background: #9d3e3e;
}

#resetPersistenceBtn {
  background: #8e3a3a;
}

#resetPersistenceBtn:hover:not(:disabled) {
  background: #a24646;
}

#techUnlockIronBtn {
  background: #7a6531;
}

#techUnlockIronBtn:hover:not(:disabled) {
  background: #8f7739;
}

#toolCableDeleteModeBtn {
  background: #805143;
}

#toolCableDeleteModeBtn:hover:not(:disabled) {
  background: #965d4c;
}

.badge {
  display: inline-block;
  border-radius: 999px;
  padding: 5px 10px;
  font-weight: 700;
  font-size: 0.8rem;
  background: #ececec;
  color: #424242;
}

#modeLabel {
  min-width: 92px;
  text-align: center;
}

.contract-block {
  margin-top: 8px;
  border-radius: 12px;
  background: #f7fbf8;
  border: 1px solid rgba(23, 59, 47, 0.1);
  padding: 8px;
}

.contract-line {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  padding: 3px 0;
}

.full {
  grid-column: span 1;
}

.toast {
  position: fixed;
  left: 50%;
  bottom: 18px;
  transform: translateX(-50%);
  background: rgba(23, 59, 47, 0.92);
  color: #fff;
  border-radius: 999px;
  padding: 10px 14px;
  font-size: 0.85rem;
  font-weight: 700;
  z-index: 20;
}

.hidden {
  display: none;
}
.hud-bottom {
  position: fixed;
  left: 50%;
  transform: translateX(-50%);
  bottom: 0;
  width: min(1200px, 100vw);
  z-index: 25;
  height: calc(var(--bottom-h) + var(--safe-b));
  overflow: auto;
  border-top: 1px solid rgba(23, 59, 47, 0.12);
  padding: 8px;
  padding-bottom: calc(8px + var(--safe-b));
  background: rgba(255, 255, 255, 0.96);
}

.contract-box {
  margin-top: 8px;
}

.contract-box summary {
  font-weight: 700;
  cursor: pointer;
  color: var(--ink-soft);
}

.research-row,
.objective-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px;
  align-items: center;
  padding: 6px 0;
  border-bottom: 1px dashed rgba(23, 59, 47, 0.16);
}

.research-row small,
.objective-row small {
  color: var(--ink-soft);
  font-size: 0.74rem;
}

.research-row button {
  min-height: 34px;
  padding: 6px 10px;
  border-radius: 9px;
  font-size: 0.78rem;
}

.research-row.done button {
  background: #2f8f57;
}

.research-row.locked {
  opacity: 0.7;
}

.tutorial-overlay {
  position: fixed;
  z-index: 50;
  left: 8px;
  right: 8px;
  top: calc(var(--top-h) + 8px);
  border-radius: 14px;
  border: 1px solid rgba(23, 59, 47, 0.24);
  background: rgba(255, 255, 255, 0.97);
  box-shadow: var(--shadow);
  padding: 10px;
}

.tutorial-overlay h3 {
  margin: 0 0 4px;
  font-size: 0.94rem;
}

.tutorial-overlay p {
  margin: 0;
  font-size: 0.82rem;
  color: var(--ink-soft);
}

.tutorial-actions {
  display: flex;
  gap: 8px;
  margin-top: 8px;
}

.tutorial-actions button {
  min-height: 36px;
  padding: 6px 10px;
}

@media (max-width: 980px) {
  :root {
    --hud-core-h: 54px;
    --hud-res-h: 32px;
    --top-h: calc(var(--hud-core-h) + var(--hud-res-h) + 10px);
    --bottom-h: 390px;
  }

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

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