* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  margin: 0;
  padding: 0;
  overflow: hidden;
  user-select: none;
  -webkit-user-select: none;
}

/* ---- Flex Layout (enabled by JS after initial sizing) ---- */
html.flex-layout,
body.flex-layout {
  height: 100%;
}

body.flex-layout {
  display: flex;
  flex-direction: column;
}

body.flex-layout .menu-bar {
  flex-shrink: 0;
}

body.flex-layout .game-frame {
  flex: 1;
  min-height: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

body.flex-layout .status-bar {
  flex-shrink: 0;
}

/* ---- Game Frame ---- */
.game-frame {
  border: 3px solid;
  border-color: var(--sz-color-button-highlight) var(--sz-color-button-shadow) var(--sz-color-button-shadow) var(--sz-color-button-highlight);
  margin: 4px;
  padding: 5px;
  background: var(--sz-color-button-face);
}

#gameCanvas {
  display: block;
  background: #000;
  border: 2px solid;
  border-color: var(--sz-color-button-shadow) var(--sz-color-button-highlight) var(--sz-color-button-highlight) var(--sz-color-button-shadow);
}

/* ---- Status Bar ---- */
.status-bar {
  display: flex;
  border-top: 2px solid var(--sz-color-button-shadow);
  background: var(--sz-color-button-face);
  padding: 2px 4px;
  gap: 2px;
}

.status-cell {
  flex: 1;
  border: 1px solid;
  border-color: var(--sz-color-button-shadow) var(--sz-color-button-highlight) var(--sz-color-button-highlight) var(--sz-color-button-shadow);
  padding: 1px 6px;
  font-size: 11px;
  font-family: 'Tahoma', 'Verdana', sans-serif;
  color: var(--sz-color-button-text);
  white-space: nowrap;
  overflow: hidden;
}

.status-cell span {
  font-weight: bold;
  font-family: 'Consolas', 'Courier New', monospace;
}

/* ---- Dialog Title ---- */
.dialog-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* ---- High Scores Table ---- */
.high-scores-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 4px;
  font-size: 11px;
}

.high-scores-table th {
  text-align: left;
  padding: 2px 6px;
  font-weight: bold;
  border-bottom: 1px solid var(--sz-color-button-shadow);
}

.high-scores-table td {
  padding: 2px 6px;
}

.high-scores-table td:nth-child(1) {
  text-align: center;
  width: 24px;
}

.high-scores-table td:nth-child(2) {
  text-align: right;
  font-family: 'Consolas', 'Courier New', monospace;
}

.high-scores-table td:nth-child(3) {
  text-align: right;
  font-size: 10px;
  color: var(--sz-color-button-shadow);
}

.high-scores-table td:nth-child(4) {
  font-size: 10px;
  color: var(--sz-color-button-shadow);
  padding-left: 8px;
}

/* ---- Controls Info ---- */
.controls-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 11px;
}

.controls-table td {
  padding: 2px 6px;
}

.controls-table td:first-child {
  font-weight: bold;
  white-space: nowrap;
  width: 90px;
}

.controls-section {
  margin-top: 8px;
  font-size: 11px;
}

.controls-section strong {
  display: block;
  margin-bottom: 3px;
  border-bottom: 1px solid var(--sz-color-button-shadow);
  padding-bottom: 2px;
}

.controls-mode {
  padding: 1px 0 1px 6px;
  font-size: 10px;
  color: var(--sz-color-button-text);
}

/* ---- Powerup Icons in Controls ---- */
.pu-icon {
  display: inline-block;
  width: 14px;
  height: 14px;
  line-height: 14px;
  text-align: center;
  border-radius: 50%;
  font-size: 9px;
  font-weight: bold;
  color: #fff;
  margin-right: 3px;
  vertical-align: middle;
}

.pu-shield   { background: #369; }
.pu-triple   { background: #a63; }
.pu-rapid    { background: #a33; }
.pu-piercing { background: #739; }
.pu-spread   { background: #2a8a5a; }
.pu-homing   { background: #088; }
.pu-life     { background: #393; }
.pu-nuke     { background: #993; }

/* ---- Rock Type Icons in Controls ---- */
.rt-icon {
  display: inline-block;
  width: 14px;
  height: 14px;
  line-height: 14px;
  text-align: center;
  border-radius: 50%;
  font-size: 8px;
  font-weight: bold;
  color: #fff;
  margin-right: 3px;
  vertical-align: middle;
}

.rt-normal    { background: #6b5335; }
.rt-iron      { background: #667; }
.rt-crystal   { background: #469; }
.rt-exploding { background: #b43; }
.rt-ice       { background: #79b; }
.rt-lava      { background: #843; }
.rt-electric  { background: #997; }

/* ---- Enemy Icons in Controls ---- */
.en-icon {
  display: inline-block;
  width: 14px;
  height: 14px;
  line-height: 14px;
  text-align: center;
  border-radius: 3px;
  font-size: 8px;
  font-weight: bold;
  color: #fff;
  margin-right: 3px;
  vertical-align: middle;
}

.en-ufo       { background: #186; }
.en-drone     { background: #a33; }
.en-gunship   { background: #5a3; }
.en-minelayer { background: #a80; }
.en-stealth   { background: #63a; }
.en-boss      { background: #a3a; }
.en-ally      { background: #2a8; }