/* ============================================================
   Lucas's Gaming Zone — Dark Blue Gaming Theme
   ============================================================ */

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

:root {
  --bg-deep:    #05050f;
  --bg-panel:   #0d0d2b;
  --bg-card:    #10103a;
  --accent:     #00aaff;
  --accent-dim: #0077cc;
  --accent-glow:#00aaff88;
  --text:       #e0e8ff;
  --text-muted: #7a8aaa;
  --danger:     #ff3355;
  --green:      #00ff88;
  --border:     #1a2a55;
}

html, body {
  height: 100%;
  font-family: 'Segoe UI', sans-serif;
  background: var(--bg-deep);
  color: var(--text);
  overflow-x: hidden;
}

/* ---------- Starfield Background ---------- */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    radial-gradient(1px 1px at 15% 20%, #fff 0%, transparent 100%),
    radial-gradient(1px 1px at 35% 55%, #aad4ff 0%, transparent 100%),
    radial-gradient(1px 1px at 55% 10%, #fff 0%, transparent 100%),
    radial-gradient(1px 1px at 70% 75%, #aad4ff 0%, transparent 100%),
    radial-gradient(1px 1px at 90% 35%, #fff 0%, transparent 100%),
    radial-gradient(1px 1px at  5% 88%, #fff 0%, transparent 100%),
    radial-gradient(1px 1px at 45% 45%, #aad4ff 0%, transparent 100%),
    radial-gradient(1px 1px at 80% 90%, #fff 0%, transparent 100%),
    radial-gradient(1px 1px at 25% 70%, #fff 0%, transparent 100%),
    radial-gradient(1px 1px at 60% 30%, #aad4ff 0%, transparent 100%),
    radial-gradient(1px 1px at 10% 50%, #fff 0%, transparent 100%),
    radial-gradient(1px 1px at 95% 15%, #fff 0%, transparent 100%);
  pointer-events: none;
  z-index: 0;
}

/* ---------- Header ---------- */
header {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 1rem 1rem 0.75rem;
  background: linear-gradient(180deg, #000020 0%, var(--bg-deep) 100%);
  border-bottom: 2px solid var(--border);
}

header h1 {
  font-size: clamp(1.4rem, 4vw, 2.4rem);
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  text-shadow:
    0 0 8px  var(--accent),
    0 0 24px var(--accent),
    0 0 60px var(--accent-glow);
}

header .subtitle {
  margin-top: 0.25rem;
  color: var(--text-muted);
  font-size: 0.8rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
}

/* ---------- Tab Bar ---------- */
.tab-bar {
  position: relative;
  z-index: 1;
  display: flex;
  justify-content: center;
  gap: 0;
  padding: 0 1rem;
  border-bottom: 2px solid var(--border);
  background: var(--bg-deep);
}

.tab-btn {
  background: transparent;
  border: none;
  border-bottom: 3px solid transparent;
  margin-bottom: -2px;
  padding: 0.55rem 1.5rem;
  color: var(--text-muted);
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  cursor: pointer;
  transition: color 0.2s, border-color 0.2s;
}

.tab-btn:hover {
  color: var(--text);
}

.tab-btn.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
  text-shadow: 0 0 10px var(--accent-glow);
}

/* ---------- Tab Panels ---------- */
.tab-panel {
  display: none;
}

.tab-panel.active {
  display: block;
}

/* ---------- Main Layout ---------- */
main {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding: 1rem 1rem;
  max-width: 1300px;
  margin: 0 auto;
}

.game-row {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  justify-content: center;
  align-items: flex-start;
}

/* ---------- Game Section ---------- */
.game-section {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
  flex: 0 0 auto;
}

.game-section h2, .leaderboard-section h2 {
  font-size: 1rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  text-shadow: 0 0 10px var(--accent-glow);
  border-bottom: 1px solid var(--border);
  padding-bottom: 0.25rem;
  width: 100%;
  text-align: center;
}

#gameCanvas, #tetrisCanvas, #arkanoidCanvas {
  display: block;
  background: #000010;
  border: 2px solid var(--accent);
  box-shadow:
    0 0 12px var(--accent-glow),
    0 0 40px var(--accent-glow),
    inset 0 0 20px #00002280;
  border-radius: 4px;
  max-width: 100%;
}

#nextPieceCanvas {
  display: block;
  margin: 0 auto;
  border: 2px solid #00ffaa;
  box-shadow:
    0 0 10px rgba(0, 255, 170, 0.7),
    0 0 28px rgba(0, 255, 170, 0.35);
  border-radius: 4px;
}

.game-info {
  display: flex;
  gap: 2rem;
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  text-transform: uppercase;
}

.game-info span { color: var(--accent); font-weight: 700; }

.game-controls {
  font-size: 0.78rem;
  color: var(--text-muted);
  text-align: center;
  letter-spacing: 0.06em;
}

.game-controls kbd {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 1px 6px;
  color: var(--accent);
  font-size: 0.75rem;
}

/* ---------- Leaderboard Section ---------- */
.leaderboard-section {
  flex: 0 0 260px;
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.25rem;
  box-shadow: 0 0 20px #00004488;
  align-self: flex-start;
  min-width: 240px;
}

#leaderboard-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 0.75rem;
  font-size: 0.82rem;
}

#leaderboard-table th {
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 0.7rem;
  padding: 0 0 0.5rem 0;
  border-bottom: 1px solid var(--border);
  text-align: left;
}

#leaderboard-table th:last-child { text-align: right; }

#leaderboard-table td {
  padding: 0.45rem 0.2rem;
  border-bottom: 1px solid #0d1838;
  color: var(--text);
  vertical-align: middle;
}

#leaderboard-table td:last-child { text-align: right; color: var(--accent); font-weight: 700; }

#leaderboard-table tbody tr:first-child td { color: gold; }
#leaderboard-table tbody tr:first-child td:last-child { color: gold; text-shadow: 0 0 8px #ffaa00; }
#leaderboard-table tbody tr:nth-child(2) td { color: #c0c0c0; }
#leaderboard-table tbody tr:nth-child(2) td:last-child { color: #c0c0c0; }
#leaderboard-table tbody tr:nth-child(3) td { color: #cd7f32; }
#leaderboard-table tbody tr:nth-child(3) td:last-child { color: #cd7f32; }

.rank-badge {
  display: inline-block;
  width: 22px; height: 22px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 1px solid var(--border);
  text-align: center;
  line-height: 22px;
  font-size: 0.7rem;
  font-weight: 700;
}

.leaderboard-empty {
  text-align: center;
  color: var(--text-muted);
  padding: 1rem 0;
  font-size: 0.85rem;
}

#lb-refresh-btn, #tetris-lb-refresh-btn, #arkanoid-lb-refresh-btn {
  display: block;
  margin: 0.9rem auto 0;
  background: transparent;
  border: 1px solid var(--accent-dim);
  color: var(--accent);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.4rem 1rem;
  border-radius: 4px;
  cursor: pointer;
  transition: background 0.2s, box-shadow 0.2s;
}

#lb-refresh-btn:hover, #tetris-lb-refresh-btn:hover, #arkanoid-lb-refresh-btn:hover {
  background: var(--accent-dim);
  box-shadow: 0 0 10px var(--accent-glow);
  color: #fff;
}

/* ---------- Game Over / Name Modal ---------- */
#modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: #00001099;
  backdrop-filter: blur(4px);
  z-index: 100;
  align-items: center;
  justify-content: center;
}

#modal-overlay.active { display: flex; }

#modal-box {
  background: var(--bg-panel);
  border: 2px solid var(--accent);
  border-radius: 10px;
  padding: 2rem 2.5rem;
  text-align: center;
  box-shadow: 0 0 40px var(--accent-glow);
  max-width: 380px;
  width: 90%;
}

#modal-box h3 {
  font-size: 1.6rem;
  color: var(--danger);
  text-shadow: 0 0 12px var(--danger);
  margin-bottom: 0.5rem;
  letter-spacing: 0.1em;
}

#modal-box .modal-score {
  font-size: 1.1rem;
  color: var(--accent);
  margin-bottom: 1.25rem;
}

#modal-box input {
  width: 100%;
  padding: 0.6rem 0.8rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  font-size: 1rem;
  outline: none;
  margin-bottom: 1rem;
}

#modal-box input:focus { border-color: var(--accent); box-shadow: 0 0 8px var(--accent-glow); }

#modal-box button {
  width: 100%;
  padding: 0.65rem;
  background: var(--accent-dim);
  border: none;
  border-radius: 6px;
  color: #fff;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  transition: background 0.2s, box-shadow 0.2s;
}

#modal-box button:hover { background: var(--accent); box-shadow: 0 0 14px var(--accent-glow); }

#modal-skip {
  margin-top: 0.75rem;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 0.8rem;
}

#modal-skip:hover { background: var(--bg-card); box-shadow: none; color: var(--text); }

/* ---------- Tetris Modal ---------- */
#tetris-modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: #00001099;
  backdrop-filter: blur(4px);
  z-index: 100;
  align-items: center;
  justify-content: center;
}

#tetris-modal-overlay.active { display: flex; }

#tetris-modal-box {
  background: var(--bg-panel);
  border: 2px solid var(--accent);
  border-radius: 10px;
  padding: 2rem 2.5rem;
  text-align: center;
  box-shadow: 0 0 40px var(--accent-glow);
  max-width: 380px;
  width: 90%;
}

#tetris-modal-box h3 {
  font-size: 1.6rem;
  color: #ffff00;
  text-shadow: 0 0 12px #ffff00;
  margin-bottom: 0.5rem;
  letter-spacing: 0.1em;
}

#tetris-modal-box .modal-score {
  font-size: 1rem;
  color: var(--accent);
  margin-bottom: 1.25rem;
  font-weight: 600;
}

#tetris-modal-box input {
  width: 100%;
  padding: 0.6rem 0.8rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  font-size: 1rem;
  outline: none;
  margin-bottom: 1rem;
}

#tetris-modal-box input:focus { border-color: var(--accent); box-shadow: 0 0 8px var(--accent-glow); }

#tetris-modal-box button {
  width: 100%;
  padding: 0.65rem;
  background: var(--accent-dim);
  border: none;
  border-radius: 6px;
  color: #fff;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  transition: background 0.2s, box-shadow 0.2s;
}

#tetris-modal-box button:hover { background: var(--accent); box-shadow: 0 0 14px var(--accent-glow); }

#tetris-modal-skip {
  margin-top: 0.75rem;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 0.8rem;
}

#tetris-modal-skip:hover { background: var(--bg-card); box-shadow: none; color: var(--text); }

/* ---------- Arkanoid Modal ---------- */
#arkanoid-modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: #00001099;
  backdrop-filter: blur(4px);
  z-index: 100;
  align-items: center;
  justify-content: center;
}

#arkanoid-modal-overlay.active { display: flex; }

#arkanoid-modal-box {
  background: var(--bg-panel);
  border: 2px solid var(--accent);
  border-radius: 10px;
  padding: 2rem 2.5rem;
  text-align: center;
  box-shadow: 0 0 40px var(--accent-glow);
  max-width: 380px;
  width: 90%;
}

#arkanoid-modal-box h3 {
  font-size: 1.6rem;
  color: #ff7700;
  text-shadow: 0 0 12px #ff7700;
  margin-bottom: 0.5rem;
  letter-spacing: 0.1em;
}

#arkanoid-modal-box .modal-score {
  font-size: 1.1rem;
  color: var(--accent);
  margin-bottom: 1.25rem;
}

#arkanoid-modal-box input {
  width: 100%;
  padding: 0.6rem 0.8rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  font-size: 1rem;
  outline: none;
  margin-bottom: 1rem;
}

#arkanoid-modal-box input:focus { border-color: var(--accent); box-shadow: 0 0 8px var(--accent-glow); }

#arkanoid-modal-box button {
  width: 100%;
  padding: 0.65rem;
  background: var(--accent-dim);
  border: none;
  border-radius: 6px;
  color: #fff;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  transition: background 0.2s, box-shadow 0.2s;
}

#arkanoid-modal-box button:hover { background: var(--accent); box-shadow: 0 0 14px var(--accent-glow); }

#arkanoid-modal-skip {
  margin-top: 0.75rem;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 0.8rem;
}

#arkanoid-modal-skip:hover { background: var(--bg-card); box-shadow: none; color: var(--text); }

/* ---------- Footer ---------- */
footer {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 1.5rem;
  color: var(--text-muted);
  font-size: 0.78rem;
  border-top: 1px solid var(--border);
  letter-spacing: 0.1em;
}

/* ---------- Scrollbar ---------- */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-deep); }
::-webkit-scrollbar-thumb { background: var(--accent-dim); border-radius: 3px; }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .game-row { flex-direction: column; align-items: center; }
  .leaderboard-section { flex: 0 0 auto; width: 100%; max-width: 560px; }
}

/* ---------- Touch controls ---------- */
/* Hidden by default, shown only on touch/small screens */
.touch-controls {
  display: none;
  margin-top: 0.75rem;
  touch-action: none;
  user-select: none;
}

.touch-btn {
  background: var(--accent-dim);
  border: 1px solid var(--accent);
  border-radius: 8px;
  color: #fff;
  font-size: 1.3rem;
  padding: 0.6rem 1.1rem;
  cursor: pointer;
  touch-action: none;
  user-select: none;
  -webkit-user-select: none;
  transition: background 0.1s;
  min-width: 56px;
}

.touch-btn:active {
  background: var(--accent);
  box-shadow: 0 0 10px var(--accent-glow);
}

/* Three-button row for Space Invaders / Arkanoid */
.touch-zones {
  display: none;
  justify-content: center;
  gap: 0.75rem;
}

.touch-shoot-btn, .touch-launch-btn {
  background: rgba(255, 51, 85, 0.25);
  border-color: #ff3355;
  min-width: 100px;
}
.touch-shoot-btn:active, .touch-launch-btn:active {
  background: #ff3355;
  box-shadow: 0 0 10px rgba(255,51,85,0.7);
}

/* D-pad for Tetris */
.tetris-dpad {
  display: none;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
}

.dpad-row {
  display: flex;
  gap: 0.5rem;
  justify-content: center;
}

.touch-drop-btn {
  min-width: 140px;
  background: rgba(255, 204, 0, 0.2);
  border-color: #ffcc00;
}
.touch-drop-btn:active { background: #ffcc00; color: #000; }

/* Show touch controls on touch devices and narrow screens */
@media (max-width: 700px) {
  .touch-zones  { display: flex; }
  .tetris-dpad  { display: flex; }

  /* Scale canvases to fit screen */
  #gameCanvas, #arkanoidCanvas, #tetrisCanvas {
    width: 100%;
    height: auto;
    touch-action: none;
  }

  /* Prevent page scroll when interacting with canvas */
  canvas { touch-action: none; }

  /* Tighten layout on small screens */
  .game-section { padding: 0.5rem; }
  main { padding: 0.5rem; }
  header h1 { font-size: 1.4rem; }
}

@media (hover: none) and (pointer: coarse) {
  .touch-zones  { display: flex; }
  .tetris-dpad  { display: flex; }
  canvas { touch-action: none; }
}