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

body {
  background: #0a0a0f;
  color: #e0e0e0;
  font-family: 'Courier New', monospace;
  overflow: hidden;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.screen { display: none; width: 100vw; height: 100vh; position: absolute; top: 0; left: 0; }
.screen.active { display: flex; flex-direction: column; align-items: center; justify-content: center; }

/* --- MENU --- */
#screen-menu { gap: 24px; background: #0a0a0f; }
#screen-menu h1 {
  font-size: 3.5rem;
  letter-spacing: 0.3em;
  color: #50ff70;
  text-shadow: 0 0 20px #50ff7088;
}

#menu-name-row {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 420px;
}
.menu-name-label {
  font-size: 0.65rem;
  letter-spacing: 0.18em;
  color: #555;
  flex-shrink: 0;
}
#menu-name-input {
  flex: 1;
  background: transparent;
  border: none;
  border-bottom: 1px solid #333;
  color: #50ff70;
  font-family: 'Courier New', monospace;
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  padding: 4px 2px;
  outline: none;
  transition: border-color 0.15s;
}
#menu-name-input::placeholder { color: #333; }
#menu-name-input:focus { border-bottom-color: #50ff70; }

#menu-tabs {
  display: flex;
  width: 420px;
  border-bottom: 1px solid #222;
}
.menu-tab {
  flex: 1;
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  color: #555;
  font-family: 'Courier New', monospace;
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  padding: 8px 0;
  cursor: pointer;
  transition: color 0.15s;
}
.menu-tab:hover { color: #aaa; }
.menu-tab.active { color: #50ff70; border-bottom-color: #50ff70; }

.menu-tab-panel { display: none; width: 420px; min-height: 80px; }
.menu-tab-panel.active { display: block; }

#local-levels-empty {
  color: #444;
  font-size: 0.78rem;
  text-align: center;
  padding: 36px 0;
  line-height: 2.2;
  letter-spacing: 0.08em;
}
.local-level-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 2px;
  border-bottom: 1px solid #1a1a22;
}
.ll-name { flex: 1; font-size: 0.88rem; color: #ccc; letter-spacing: 0.05em; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; cursor: text; }
.ll-name:hover { color: #fff; }
.ll-name-input {
  background: #16161e;
  border: 1px solid #50ff7066;
  color: #fff;
  font-family: 'Courier New', monospace;
  font-size: 0.88rem;
  letter-spacing: 0.05em;
  padding: 1px 5px;
  width: 200px;
  outline: none;
}
.ll-meta { font-size: 0.62rem; color: #555; white-space: nowrap; }
.ll-actions { display: flex; gap: 5px; flex-shrink: 0; }
.ll-btn {
  background: none;
  border: 1px solid #2a2a38;
  color: #666;
  font-family: 'Courier New', monospace;
  font-size: 0.58rem;
  letter-spacing: 0.12em;
  padding: 3px 8px;
  cursor: pointer;
  transition: border-color 0.1s, color 0.1s;
}
.ll-btn:hover { border-color: #888; color: #ccc; }
.ll-play { border-color: #50ff7055; color: #50ff70; }
.ll-play:hover { border-color: #50ff70; }
.ll-del:hover { border-color: #e05050; color: #e05050; }

.level-btn {
  display: flex;
  align-items: center;
  gap: 20px;
  background: #16161e;
  border: 1px solid #333;
  color: #e0e0e0;
  font-family: 'Courier New', monospace;
  padding: 14px 28px;
  cursor: pointer;
  width: 420px;
  transition: border-color 0.15s, background 0.15s;
}
.level-btn:hover { border-color: #50ff70; background: #1e1e28; }
.level-btn.menu-focused { border-color: #50ff70; background: #1a261a; outline: none; }
.local-level-row.menu-focused { background: #141e14; }
.level-num { font-size: 1.6rem; color: #50ff70; min-width: 40px; }
.level-name { flex: 1; text-align: left; font-size: 1rem; letter-spacing: 0.1em; }
.level-cutoff { font-size: 0.75rem; color: #666; }

/* --- LEADERBOARD / FINISH SCREEN --- */
.menu-lb-row { cursor: default; }
.menu-lb-row.menu-focused { background: #141e14; }
.menu-lb-row.menu-focused .lb-rank { color: #50ff70; }
.menu-lb-row.menu-focused .lb-time { color: #50ff70; }
.lb-replay-icon { font-size: 0.65rem; color: #50ff7088; min-width: 12px; text-align: center; }
.lb-replay-none { color: #252525; }

/* --- GAME CANVAS --- */
#screen-game { background: #000; align-items: stretch; justify-content: flex-start; }
#canvas { display: block; }

/* --- CONTROLS HINT --- */
#controls-hint {
  position: fixed;
  bottom: 16px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 0.62rem;
  color: #444;
  letter-spacing: 0.15em;
  pointer-events: none;
  z-index: 100;
  display: none;
}
body.playing #controls-hint { display: block; }

/* --- HUD BAR --- */
#hud-bar {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 0 16px;
  height: 48px;
  flex-shrink: 0;
  background: #0b0b16;
  border-bottom: 1px solid #1e1e30;
}
.hud-group { display: flex; align-items: center; gap: 7px; }
.hud-right { margin-left: auto; }
.hud-sep { width: 1px; height: 24px; background: #1e1e30; flex-shrink: 0; }
.hud-label { font-size: 0.55rem; letter-spacing: 0.18em; color: #555; }
#btn-game-menu {
  background: none;
  border: 1px solid #2a2a40;
  color: #555;
  font-family: inherit;
  font-size: 0.6rem;
  letter-spacing: 0.15em;
  padding: 4px 10px;
  cursor: pointer;
  border-radius: 2px;
}
#btn-game-menu:hover { border-color: #888; color: #ccc; }
#timer {
  font-size: 1.35rem;
  color: #50ff70;
  letter-spacing: 0.08em;
  text-shadow: 0 0 8px #50ff7066;
  font-variant-numeric: tabular-nums;
}
#player-health { font-size: 0.95rem; color: #e05050; letter-spacing: 0.1em; }
#pu-stack-label { font-size: 0.5rem; letter-spacing: 0.15em; color: #444; }
#pu-slots { display: flex; gap: 5px; }
.pu-slot {
  min-width: 52px;
  padding: 3px 6px;
  border: 1px solid #222;
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  color: #333;
  font-family: 'Courier New', monospace;
  background: #0a0a12;
  text-align: center;
  transition: color 0.2s, border-color 0.2s;
}
.pu-slot:first-child { font-size: 0.78rem; font-weight: bold; }
#powerup-bar { display: flex; gap: 5px; align-items: center; flex: 1; overflow: hidden; }
.powerup-icon {
  padding: 2px 6px;
  border: 1px solid #444;
  border-radius: 3px;
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 0.58rem;
  letter-spacing: 0.1em;
  background: #00000088;
  color: #ccc;
  white-space: nowrap;
  flex-shrink: 0;
}
.powerup-icon .countdown { font-size: 0.55rem; color: #aaa; }
#cutoff-time { font-size: 0.95rem; color: #e05050; letter-spacing: 0.05em; }

/* --- MENU SECONDARY --- */
.menu-secondary-btn {
  background: none;
  border: 1px solid #333;
  color: #666;
  font-family: 'Courier New', monospace;
  font-size: 0.8rem;
  letter-spacing: 0.2em;
  padding: 8px 24px;
  cursor: pointer;
  transition: border-color 0.15s, color 0.15s;
}
.menu-secondary-btn:hover { border-color: #888; color: #aaa; }
.menu-key-hint { margin-left: 8px; color: #333; font-size: 0.6rem; vertical-align: middle; }

/* --- EDITOR --- */
#screen-editor { flex-direction: column; background: #09090e; }

#ed-bar {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 0 16px;
  height: 48px;
  background: #0d0d18;
  border-bottom: 1px solid #1e1e2a;
  flex-shrink: 0;
}
#ed-title { font-size: 0.72rem; letter-spacing: 0.2em; color: #50ff70; flex-shrink: 0; }
#ed-level-name {
  background: transparent;
  border: none;
  border-bottom: 1px solid #2a2a38;
  color: #e0e0e0;
  font-family: 'Courier New', monospace;
  font-size: 0.85rem;
  letter-spacing: 0.05em;
  padding: 2px 4px;
  width: 220px;
  outline: none;
  flex-shrink: 0;
}
#ed-level-name:focus { border-bottom-color: #50ff7088; }
#ed-level-name::placeholder { color: #333; }
#ed-bar-actions { display: flex; gap: 8px; margin-left: auto; }

.ed-btn {
  background: #16161e;
  border: 1px solid #2a2a38;
  color: #c0c0c0;
  font-family: 'Courier New', monospace;
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  padding: 5px 12px;
  cursor: pointer;
  transition: border-color 0.1s, color 0.1s;
}
.ed-btn:hover { border-color: #888; color: #fff; }
.ed-btn-play { border-color: #50ff7066; color: #50ff70; }
.ed-btn-play:hover { border-color: #50ff70; }
.ed-btn-full { width: 100%; margin-top: 6px; }

#ed-main {
  display: flex;
  flex: 1;
  overflow: hidden;
}

#ed-sidebar {
  width: 168px;
  flex-shrink: 0;
  background: #0d0d18;
  border-right: 1px solid #1e1e2a;
  overflow-y: auto;
  padding: 10px 8px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.ed-section {
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  color: #555;
  margin-top: 10px;
  margin-bottom: 2px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.ed-section:first-child { margin-top: 0; }
.ed-hint-key { color: #333; font-size: 0.55rem; }
.ed-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.68rem;
  color: #888;
  gap: 6px;
}
.ed-row label { flex-shrink: 0; }
.ed-row input {
  width: 64px;
  background: #16161e;
  border: 1px solid #2a2a38;
  color: #ccc;
  font-family: 'Courier New', monospace;
  font-size: 0.7rem;
  padding: 3px 5px;
  text-align: right;
}
.ed-tile-btn, .ed-special-btn {
  display: flex;
  align-items: center;
  gap: 7px;
  width: 100%;
  background: #12121a;
  border: 1px solid #22222e;
  color: #aaa;
  font-family: 'Courier New', monospace;
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  padding: 5px 7px;
  cursor: pointer;
  text-align: left;
  margin-bottom: 2px;
  transition: border-color 0.1s;
}
.ed-tile-btn:hover, .ed-special-btn:hover { border-color: #555; color: #fff; }
.ed-tile-btn.active, .ed-special-btn.active { border-color: #50ff70; color: #fff; }
.ed-tile-swatch {
  width: 14px; height: 14px;
  border: 1px solid #333;
  flex-shrink: 0;
}
.ed-key-hint { margin-left: auto; color: #333; font-size: 0.6rem; }

#editor-canvas {
  flex: 1;
  display: block;
  cursor: crosshair;
  background: #06060b;
}

#ed-statusbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 4px 14px;
  height: 26px;
  background: #0d0d18;
  border-top: 1px solid #1e1e2a;
  font-size: 0.65rem;
  flex-shrink: 0;
}
#ed-status-pos { color: #888; min-width: 120px; }
#ed-status-hint { color: #333; }

/* --- FINISH --- */
#screen-finish { gap: 16px; background: #0a0a0f; overflow-y: auto; padding: 32px 0; }
#screen-finish h1 { font-size: 2.8rem; letter-spacing: 0.25em; color: #50ff70; }
#finish-time-display { font-size: 3rem; color: #fff; }
#finish-rank { font-size: 1rem; color: #aaa; letter-spacing: 0.1em; min-height: 1.4em; }

#finish-player-row {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.72rem;
  letter-spacing: 0.12em;
}
.finish-player-label { color: #555; }
#finish-player-name { color: #50ff70; }
#btn-change-name {
  background: none;
  border: 1px solid #2a2a38;
  color: #555;
  font-family: 'Courier New', monospace;
  font-size: 0.6rem;
  letter-spacing: 0.12em;
  padding: 2px 8px;
  cursor: pointer;
}
#btn-change-name:hover { border-color: #888; color: #aaa; }

#finish-leaderboard {
  width: 360px;
  border: 1px solid #1e1e30;
  background: #0d0d18;
}
.lb-title {
  font-size: 0.62rem;
  letter-spacing: 0.25em;
  color: #555;
  padding: 8px 14px;
  border-bottom: 1px solid #1a1a28;
}
.lb-loading {
  padding: 12px 14px;
  font-size: 0.72rem;
  color: #444;
  letter-spacing: 0.1em;
}
.lb-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 7px 14px;
  font-size: 0.78rem;
  border-bottom: 1px solid #11111c;
}
.lb-row:last-child { border-bottom: none; }
.lb-row.lb-me { background: #141e14; color: #50ff70; }
.lb-rank { min-width: 28px; color: #555; font-size: 0.68rem; }
.lb-row.lb-me .lb-rank { color: #50ff70; }
.lb-name { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.lb-time { font-variant-numeric: tabular-nums; color: #aaa; font-size: 0.72rem; }
.lb-row.lb-me .lb-time { color: #50ff70; }

#finish-actions { display: flex; gap: 16px; margin-top: 4px; }
#btn-retry, #btn-replay, #btn-menu {
  background: #16161e;
  border: 1px solid #444;
  color: #e0e0e0;
  font-family: 'Courier New', monospace;
  font-size: 1rem;
  letter-spacing: 0.15em;
  padding: 12px 36px;
  cursor: pointer;
  transition: border-color 0.15s;
}
#btn-retry:hover, #btn-replay:hover { border-color: #50ff70; }
#btn-menu:hover  { border-color: #888; }