/* ============================
   TETRIS - Game Styles
   ============================ */

/* ===== Container ===== */
#tetrisGame {
  background: linear-gradient(180deg, #060810, #0a0e1e);
  overflow: hidden;
  position: relative;
  user-select: none;
  -webkit-user-select: none;
}

/* ===== Top HUD ===== */
.tet-hud {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  padding: 8px 12px 4px;
  z-index: 5;
  flex-shrink: 0;
}
.tet-hud-item {
  text-align: center;
  min-width: 60px;
}
.tet-hud-label {
  font-size: clamp(11px, 2.8vw, 12px);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: rgba(255,255,255,.3);
  font-weight: 600;
}
.tet-hud-value {
  font-family: 'Oswald', 'Black Han Sans', sans-serif;
  font-size: 18px;
  font-weight: 700;
  color: #fff;
  line-height: 1.2;
}
.tet-hud-close {
  font-size: 18px;
  padding: 4px;
  background: none;
  border: none;
  color: rgba(255,255,255,.4);
  cursor: pointer;
}

/* ===== Mode badge ===== */
.tet-mode-badge {
  font-size: clamp(11px, 2.8vw, 13px);
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  padding: 2px 8px;
  border-radius: 4px;
  background: rgba(0,210,255,.15);
  color: #00d2ff;
  display: inline-block;
}

/* ===== Main play area ===== */
.tet-play-area {
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 6px;
  padding: 0 8px;
  z-index: 5;
  min-height: 0;
}

/* ===== Side panels (Hold / Next) ===== */
.tet-side {
  width: 56px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  flex-shrink: 0;
}
.tet-side-box {
  background: rgba(255,255,255,.03);
  border: 1px solid rgba(255,255,255,.06);
  border-radius: 8px;
  padding: 4px;
  text-align: center;
}
.tet-side-label {
  font-size: clamp(11px, 2.8vw, 12px);
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: rgba(255,255,255,.25);
  margin-bottom: 2px;
  font-weight: 600;
}
.tet-side-canvas {
  display: block;
  margin: 0 auto;
}
.tet-side-info {
  font-size: clamp(11px, 2.8vw, 12px);
  text-transform: uppercase;
  letter-spacing: 1px;
  color: rgba(255,255,255,.2);
  text-align: center;
}
.tet-side-info-val {
  font-family: 'Oswald', 'Black Han Sans', sans-serif;
  font-size: 14px;
  font-weight: 800;
  color: #fff;
  display: block;
}

/* ===== Board Canvas ===== */
.tet-board-wrap {
  position: relative;
  flex-shrink: 0;
}
.tet-board-canvas {
  display: block;
  border-radius: 4px;
  border: 1.5px solid rgba(255,255,255,.08);
  background: rgba(255,255,255,.02);
}

/* ===== Controls ===== */
.tet-controls {
  padding: 8px 12px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 5;
  flex-shrink: 0;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}

/* D-pad */
.tet-dpad {
  display: grid;
  grid-template-columns: 44px 44px 44px;
  grid-template-rows: 44px 44px;
  gap: 3px;
}
.tet-dpad-btn {
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,.4);
  font-size: 16px;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}
.tet-dpad-btn:active {
  background: rgba(255,255,255,.12);
  color: rgba(255,255,255,.7);
}
.tet-dpad-empty {
  /* empty grid cell */
}

/* Action buttons */
.tet-action-btns {
  display: flex;
  gap: 8px;
  align-items: center;
}
.tet-act {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: 700;
  cursor: pointer;
  font-family: 'Oswald', 'Black Han Sans', sans-serif;
  border: none;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
  letter-spacing: 0.5px;
}
.tet-act:active {
  transform: scale(0.92);
}
.tet-act-hold {
  background: rgba(197,108,240,.12);
  border: 1.5px solid rgba(197,108,240,.25);
  color: #c56cf0;
}
.tet-act-rotate {
  background: rgba(0,210,255,.15);
  border: 1.5px solid rgba(0,210,255,.3);
  color: #00d2ff;
  font-size: 18px;
}
.tet-act-drop {
  background: rgba(255,217,61,.12);
  border: 1.5px solid rgba(255,217,61,.25);
  color: #ffd93d;
  font-size: 16px;
}

/* ===== Mode Select Overlay ===== */
.tet-mode-overlay {
  position: absolute;
  inset: 0;
  z-index: 20;
  background: linear-gradient(180deg, #060810, #0c1428, #0a0e1e);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 40px 24px;
}
.tet-mode-overlay::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 35%, rgba(0,210,255,.1), transparent 55%);
  pointer-events: none;
}
.tet-mode-title {
  font-family: 'Oswald', 'Black Han Sans', sans-serif;
  font-size: 42px;
  font-weight: 900;
  letter-spacing: -1px;
  position: relative;
  z-index: 1;
  margin-bottom: 4px;
  background: linear-gradient(135deg, #00d2ff, #c56cf0);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.tet-mode-sub {
  font-size: clamp(11px, 2.8vw, 13px);
  letter-spacing: 6px;
  text-transform: uppercase;
  color: rgba(126,200,227,.5);
  position: relative;
  z-index: 1;
  margin-bottom: 36px;
}
.tet-mode-list {
  position: relative;
  z-index: 1;
  width: 220px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.tet-mode-btn {
  width: 100%;
  padding: 14px;
  border: none;
  border-radius: 14px;
  font-family: 'Oswald', 'Black Han Sans', sans-serif;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  letter-spacing: 0.5px;
  transition: .15s;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  -webkit-tap-highlight-color: transparent;
}
.tet-mode-btn:active { transform: scale(0.96); }
.tet-mode-primary {
  background: linear-gradient(135deg, #00d2ff, #00a8cc);
  color: #fff;
  box-shadow: 0 4px 20px rgba(0,210,255,.3);
}
.tet-mode-sec {
  background: rgba(255,255,255,.06);
  color: rgba(255,255,255,.6);
  border: 1px solid rgba(255,255,255,.08);
}
.tet-mode-back {
  margin-top: 12px;
  background: none;
  border: none;
  color: rgba(255,255,255,.3);
  font-size: 13px;
  cursor: pointer;
  padding: 8px;
  font-family: inherit;
}

/* ===== Countdown Overlay ===== */
.tet-countdown {
  position: absolute;
  inset: 0;
  z-index: 15;
  background: rgba(6,8,16,.85);
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
}
.tet-countdown-num {
  font-family: 'Oswald', 'Black Han Sans', sans-serif;
  font-size: 80px;
  font-weight: 900;
  color: #00d2ff;
  text-shadow: 0 0 40px rgba(0,210,255,.5);
  animation: tet-countdown-pop 0.8s ease-out;
}
@keyframes tet-countdown-pop {
  0% { transform: scale(2); opacity: 0; }
  30% { transform: scale(1); opacity: 1; }
  100% { transform: scale(0.8); opacity: 0; }
}

/* ===== Game Over Overlay ===== */
.tet-gameover {
  position: absolute;
  inset: 0;
  z-index: 20;
  background: linear-gradient(180deg, rgba(6,8,16,.95), rgba(16,8,24,.95));
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 30px 24px;
}
.tet-gameover::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 40%, rgba(255,107,107,.06), transparent 55%);
  pointer-events: none;
}
.tet-go-title {
  font-family: 'Oswald', 'Black Han Sans', sans-serif;
  font-size: 28px;
  font-weight: 900;
  color: #ff6b6b;
  position: relative;
  z-index: 1;
  margin-bottom: 4px;
}
.tet-go-subtitle {
  font-size: 11px;
  color: rgba(255,255,255,.35);
  position: relative;
  z-index: 1;
  margin-bottom: 20px;
}
.tet-go-score-box {
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: 20px;
  padding: 16px 36px;
  text-align: center;
  position: relative;
  z-index: 1;
  margin-bottom: 12px;
}
.tet-go-score {
  font-family: 'Oswald', 'Black Han Sans', sans-serif;
  font-size: 40px;
  font-weight: 900;
  color: #fff;
  line-height: 1;
}
.tet-go-score-label {
  font-size: clamp(11px, 2.8vw, 12px);
  letter-spacing: 3px;
  text-transform: uppercase;
  color: rgba(255,255,255,.25);
  margin-top: 4px;
}
.tet-go-stats {
  display: flex;
  gap: 16px;
  position: relative;
  z-index: 1;
  margin-bottom: 24px;
  flex-wrap: wrap;
  justify-content: center;
}
.tet-go-stat {
  text-align: center;
}
.tet-go-stat-val {
  font-family: 'Oswald', 'Black Han Sans', sans-serif;
  font-size: 16px;
  font-weight: 800;
  color: #7ec8e3;
}
.tet-go-stat-label {
  font-size: clamp(11px, 2.8vw, 12px);
  color: rgba(255,255,255,.25);
  letter-spacing: 1px;
  text-transform: uppercase;
}
.tet-go-best {
  font-size: 12px;
  color: #ffd93d;
  font-weight: 700;
  margin-bottom: 16px;
  position: relative;
  z-index: 1;
}
.tet-go-btn {
  position: relative;
  z-index: 1;
  width: 180px;
  padding: 13px;
  border: none;
  border-radius: 14px;
  font-family: 'Oswald', 'Black Han Sans', sans-serif;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  margin-bottom: 8px;
  display: block;
  -webkit-tap-highlight-color: transparent;
}
.tet-go-btn:active { transform: scale(0.96); }
.tet-go-retry {
  background: linear-gradient(135deg, #00d2ff, #00a8cc);
  color: #fff;
}
.tet-go-home {
  background: rgba(255,255,255,.06);
  color: rgba(255,255,255,.5);
  border: 1px solid rgba(255,255,255,.08);
}

/* ===== Line clear flash effect ===== */
.tet-line-flash {
  position: absolute;
  left: 0;
  right: 0;
  height: 2px;
  background: #fff;
  box-shadow: 0 0 20px 4px rgba(255,255,255,.5);
  pointer-events: none;
  z-index: 10;
  animation: tet-flash 0.3s ease-out forwards;
}
@keyframes tet-flash {
  0% { opacity: 1; transform: scaleY(3); }
  100% { opacity: 0; transform: scaleY(0); }
}

/* ===== Action text (Tetris!, T-Spin, etc.) ===== */
.tet-action-text {
  position: absolute;
  left: 50%;
  top: 40%;
  transform: translate(-50%, -50%);
  font-family: 'Oswald', 'Black Han Sans', sans-serif;
  font-size: 24px;
  font-weight: 900;
  color: #ffd93d;
  text-shadow: 0 0 20px rgba(255,217,61,.5);
  z-index: 12;
  pointer-events: none;
  animation: tet-action-pop 0.8s ease-out forwards;
  white-space: nowrap;
}
@keyframes tet-action-pop {
  0% { transform: translate(-50%, -50%) scale(0.5); opacity: 0; }
  20% { transform: translate(-50%, -50%) scale(1.2); opacity: 1; }
  60% { transform: translate(-50%, -50%) scale(1); opacity: 1; }
  100% { transform: translate(-50%, -60%) scale(0.9); opacity: 0; }
}

/* ===== Pause overlay ===== */
.tet-pause {
  position: absolute;
  inset: 0;
  z-index: 18;
  background: rgba(6,8,16,.85);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
}
.tet-pause-title {
  font-family: 'Oswald', 'Black Han Sans', sans-serif;
  font-size: 32px;
  font-weight: 900;
  color: #fff;
}
.tet-pause-btn {
  width: 160px;
  padding: 12px;
  border: none;
  border-radius: 12px;
  font-family: 'Oswald', 'Black Han Sans', sans-serif;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}
.tet-pause-resume {
  background: linear-gradient(135deg, #00d2ff, #00a8cc);
  color: #fff;
}
.tet-pause-quit {
  background: rgba(255,255,255,.06);
  color: rgba(255,255,255,.5);
  border: 1px solid rgba(255,255,255,.08);
}

/* ===== Sprint/Ultra timer ===== */
.tet-timer-display {
  font-family: 'Oswald', 'Black Han Sans', sans-serif;
  font-size: 16px;
  font-weight: 700;
  color: #ffd93d;
}
.tet-timer-warn {
  color: #ff6b6b;
  animation: tet-timer-blink 0.5s ease-in-out infinite alternate;
}
@keyframes tet-timer-blink {
  from { opacity: 1; }
  to { opacity: 0.5; }
}

/* ===== Multiplayer players bar ===== */
.tet-players-bar {
  display: flex;
  gap: 6px;
  padding: 0 12px 4px;
  overflow-x: auto;
  z-index: 5;
  flex-shrink: 0;
}
.tet-players-bar::-webkit-scrollbar { display: none; }
.tet-player-chip {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 3px 8px;
  border-radius: 20px;
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.08);
  font-size: 11px;
  color: rgba(255,255,255,.5);
  white-space: nowrap;
  flex-shrink: 0;
}
.tet-player-chip.me {
  border-color: rgba(0,210,255,.3);
  color: #00d2ff;
}
.tet-player-avatar {
  font-size: 14px;
}
.tet-player-score {
  font-weight: 700;
  margin-left: 2px;
}

/* ===== Victory screen ===== */
.tet-victory .tet-go-title {
  color: #ffd93d;
}

/* ===== Responsive ===== */
@media (max-height: 650px) {
  .tet-hud { padding: 4px 10px 2px; }
  .tet-hud-value { font-size: 15px; }
  .tet-controls { padding: 4px 10px 12px; }
  .tet-dpad { grid-template-columns: 38px 38px 38px; grid-template-rows: 38px 38px; }
  .tet-act { width: 42px; height: 42px; }
}

@media (max-width: 360px) {
  .tet-side { width: 48px; }
  .tet-dpad { grid-template-columns: 38px 38px 38px; grid-template-rows: 38px 38px; gap: 2px; }
  .tet-act { width: 42px; height: 42px; }
}

/* ===== Ultra Timer Progress Bar ===== */
.tet-timer-bar {
  margin-top: 6px;
  width: 100%;
}
.tet-timer-bar-track {
  width: 100%;
  height: 4px;
  background: rgba(255,255,255,.06);
  border-radius: 2px;
  overflow: hidden;
}
.tet-timer-bar-fill {
  height: 100%;
  border-radius: 2px;
  width: 100%;
  transition: width 0.1s linear;
  background: linear-gradient(90deg, #00d2ff, #448aff);
  box-shadow: 0 0 6px rgba(0,210,255,.4);
}
.tet-timer-bar-fill.warn {
  background: linear-gradient(90deg, #ffd93d, #f0a020);
  box-shadow: 0 0 6px rgba(255,217,61,.4);
}
.tet-timer-bar-fill.danger {
  background: linear-gradient(90deg, #ff6b6b, #d32f2f);
  box-shadow: 0 0 8px rgba(255,107,107,.5);
  animation: tet-timer-pulse 0.5s ease-in-out infinite alternate;
}
@keyframes tet-timer-pulse {
  from { opacity: 1; }
  to { opacity: 0.6; }
}