/* ─── Reset & base ─────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:       #0d0d1a;
  --surface:  #1a1a2e;
  --border:   #2d2d5c;
  --accent:   #4fc3f7;
  --danger:   #ef5350;
  --good:     #66bb6a;
  --text:     #e0e0e0;
  --muted:    #888;
  --hud-h:    42px;
  --ctrl-h:   130px;
}

html, body {
  width: 100%; height: 100%;
  overflow: hidden;
  background: var(--bg);
  color: var(--text);
  font-family: 'Courier New', Courier, monospace;
  user-select: none;
  -webkit-user-select: none;
}

/* ─── Overlays ──────────────────────────────────────────────── */
.overlay {
  position: fixed; inset: 0;
  display: flex; align-items: center; justify-content: center;
  background: rgba(0,0,0,.85);
  z-index: 100;
}
.overlay.hidden { display: none; }

.overlay-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 36px 40px;
  text-align: center;
  max-width: 420px; width: 90%;
  box-shadow: 0 0 40px rgba(79,195,247,.15);
}

.logo { font-size: 3rem; }

.overlay-card h1 {
  font-size: 1.7rem;
  margin: 8px 0 4px;
  color: var(--accent);
  letter-spacing: 1px;
}

.sub  { color: var(--muted); margin-bottom: 20px; font-size: .9rem; }
.hint { color: var(--muted); font-size: .82rem; margin: 10px 0; }
.hint kbd {
  background: var(--border);
  border-radius: 4px;
  padding: 1px 6px;
  font-family: inherit;
}

/* Spinner */
.spinner {
  width: 36px; height: 36px;
  border: 3px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin .8s linear infinite;
  margin: 18px auto 0;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* Name input */
#nameInput {
  display: block;
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  font-family: inherit;
  font-size: 1.1rem;
  padding: 10px 14px;
  margin-bottom: 12px;
  outline: none;
  transition: border-color .2s;
}
#nameInput:focus { border-color: var(--accent); }

/* Buttons */
.btn-primary {
  width: 100%;
  padding: 11px;
  background: var(--accent);
  color: #000;
  border: none;
  border-radius: 6px;
  font-family: inherit;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  letter-spacing: .5px;
  transition: opacity .15s;
}
.btn-primary:hover { opacity: .85; }
.btn-primary:active { opacity: .7; }

.btn-secondary {
  width: 100%;
  padding: 9px;
  background: transparent;
  color: var(--muted);
  border: 1px solid var(--border);
  border-radius: 6px;
  font-family: inherit;
  font-size: .92rem;
  cursor: pointer;
  transition: border-color .15s, color .15s;
}
.btn-secondary:hover { border-color: var(--accent); color: var(--accent); }

/* Player list */
#playerList {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 8px;
  margin: 14px 0 6px;
  min-height: 60px;
  max-height: 200px;
  overflow-y: auto;
  text-align: left;
}
.player-entry {
  display: flex; align-items: center; gap: 8px;
  padding: 4px 6px;
  font-size: .9rem;
}
.player-dot {
  width: 10px; height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}
.empty-list { color: var(--muted); font-size: .85rem; text-align: center; padding: 8px 0; }

/* ─── Game wrapper ──────────────────────────────────────────── */
#gameWrapper {
  display: flex;
  flex-direction: column;
  height: 100vh;
  height: 100dvh;   /* dynamic viewport height — excludes mobile browser chrome */
  align-items: center;
  overflow: hidden;
}

/* ─── HUD ───────────────────────────────────────────────────── */
#hud {
  width: 100%;
  height: var(--hud-h);
  background: rgba(0,0,0,.6);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 12px;
  font-size: .82rem;
  flex-shrink: 0;
  gap: 8px;
}
#hudLeft  { color: var(--good);  min-width: 120px; }
#hudCenter { flex: 1; text-align: center; color: var(--accent); overflow: hidden; white-space: nowrap; }
#hudRight  { color: #ffd700; min-width: 100px; text-align: right; }

/* Spectator banner */
#spectatorBanner {
  width: 100%;
  background: rgba(100,100,0,.5);
  border-bottom: 1px solid #888800;
  text-align: center;
  padding: 4px;
  font-size: .85rem;
  flex-shrink: 0;
}
#spectatorBanner.hidden { display: none; }

/* ─── Canvas container ──────────────────────────────────────── */
#canvasWrap {
  flex: 1;
  min-height: 0;     /* allow shrinking inside flex — critical for mobile */
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  position: relative;
  width: 100%;
}

#gameCanvas {
  display: block;
  image-rendering: pixelated;
  image-rendering: crisp-edges;
}

#rotateHint {
  position: absolute;
  bottom: 10px; left: 50%; transform: translateX(-50%);
  background: rgba(0,0,0,.75);
  padding: 6px 14px;
  border-radius: 20px;
  font-size: .78rem;
  color: var(--muted);
  pointer-events: none;
}
#rotateHint.hidden { display: none; }

/* ─── Mobile controls ───────────────────────────────────────── */
#mobileControls {
  display: none;   /* shown via media query below */
  flex-shrink: 0;
  height: var(--ctrl-h);
  width: 100%;
  align-items: center;
  justify-content: space-around;
  padding: 6px 16px;
  background: rgba(0,0,0,.4);
  border-top: 1px solid var(--border);
  gap: 16px;
  box-sizing: border-box;
}

/* Shrink controls on small/short screens so buttons stay visible */
@media (pointer: coarse) and (max-height: 580px) {
  :root { --ctrl-h: 100px; }
  .dpad-btn  { width: 32px; height: 32px; font-size: .85rem; }
  .dpad-center { width: 32px; height: 32px; }
  .btn-fire  { width: 60px; height: 60px; font-size: .75rem; }
}

/* d-pad */
#dpad { display: flex; flex-direction: column; align-items: center; gap: 2px; }
.dpad-row { display: flex; gap: 2px; }
.dpad-mid  { align-items: center; }
.dpad-center { width: 38px; height: 38px; }

.dpad-btn {
  width: 38px; height: 38px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  font-size: 1rem;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  -webkit-tap-highlight-color: transparent;
  transition: background .1s;
}
.dpad-btn:active { background: var(--border); }

/* fire button */
.btn-fire {
  width: 72px; height: 72px;
  background: #b71c1c;
  border: 2px solid #ef5350;
  border-radius: 50%;
  color: white;
  font-size: .85rem;
  font-weight: 700;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  transition: background .1s, transform .1s;
  line-height: 1.1;
}
.btn-fire:active { background: #ef5350; transform: scale(.93); }

/* Show controls on touch devices */
@media (pointer: coarse) {
  #mobileControls { display: flex; }
}

/* Portrait hint */
@media (orientation: portrait) and (max-width: 600px) {
  #rotateHint.hidden { display: none; }   /* still respect class */
  /* For true portrait phones, show hint automatically via JS */
}

/* Settings panel */
#settingsPanel {
  margin: 10px 0 6px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 8px 10px;
  text-align: left;
}
.settings-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 4px 0;
}
.settings-label {
  width: 44px;
  font-size: .8rem;
  color: var(--muted);
  flex-shrink: 0;
}
.settings-btns {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
}
.sbtn {
  padding: 4px 10px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--muted);
  font-family: inherit;
  font-size: .78rem;
  cursor: pointer;
  transition: background .15s, color .15s, border-color .15s;
}
.sbtn:hover { border-color: var(--accent); color: var(--text); }
.sbtn.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #000;
  font-weight: 700;
}

/* Game-over overlay rankings */
#gameOverTitle  { font-size: 1.6rem; margin-bottom: 8px; }
#gameOverRankings { text-align: left; margin: 8px 0; font-size: .9rem; line-height: 1.8; }
#gameOverTimer  { font-size: .85rem; color: #ffea00; min-height: 1.2em; }

/* Hidden utility */
.hidden { display: none !important; }