/* ========================================
   BLOCKPOP — OBSIDIAN GLASS THEME
   ======================================== */

@import url('https://fonts.googleapis.com/css2?family=Nunito:wght@400;600;700;800;900&display=swap');

:root {
  --bg-deep:    #141e2e;
  --bg-mid:     #1a2840;
  --bg-surface: #243450;
  --bg-glass:   rgba(255,255,255,0.055);
  --bg-glass2:  rgba(255,255,255,0.10);
  --border:     rgba(255,255,255,0.10);
  --border2:    rgba(255,255,255,0.18);
  --text-1:     #ffffff;
  --text-2:     rgba(255,255,255,0.7);
  --text-3:     rgba(255,255,255,0.4);
  --accent:     #7c6ff7;
  --accent2:    #a78bfa;
  --gold:       #fbbf24;
  --radius-sm:  6px;
  --radius-md:  12px;
  --radius-lg:  18px;
  --radius-xl:  24px;
  --font:       'Nunito', sans-serif;
}

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

html, body {
  touch-action: none;
  -webkit-user-select: none;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
  overscroll-behavior: none;
}

body {
  background: #0f1623;
  color: var(--text-1);
  font-family: var(--font);
  min-height: 100vh;
  overflow: hidden;
  position: relative;
}

/* Animasyonlu arka plan orb'ları */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background:
    radial-gradient(ellipse 70% 50% at 15% 15%, rgba(124,111,247,0.18) 0%, transparent 55%),
    radial-gradient(ellipse 60% 45% at 85% 85%, rgba(45,212,191,0.12) 0%, transparent 55%),
    radial-gradient(ellipse 50% 40% at 50% 50%, rgba(167,139,250,0.06) 0%, transparent 60%),
    radial-gradient(ellipse 40% 35% at 80% 20%, rgba(251,191,36,0.06) 0%, transparent 50%);
  pointer-events: none;
  z-index: 0;
  animation: bgPulse 8s ease-in-out infinite alternate;
}

@keyframes bgPulse {
  0%   { opacity: 0.8; }
  100% { opacity: 1; }
}

/* Grid nokta deseni */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  background-image: radial-gradient(circle, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 32px 32px;
  pointer-events: none;
  z-index: 0;
}


/* ========================================
   GAME CONTAINER
   ======================================== */
#game-container {
  position: fixed;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  transform-origin: top center;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  width: 390px;
  max-width: 390px;
  padding: 6px 4px 0;
  box-sizing: border-box;
  height: 844px;
  overflow: hidden;
  justify-content: space-evenly;
}

/* ========================================
   TOP BAR
   ======================================== */
#game-topbar {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
  gap: 0;
  padding-top: 0;
  height: 52px;
  justify-content: center;
  margin-bottom: 0;
}

.topbar-top-row {
  display: flex;
  justify-content: space-evenly;
  align-items: center;
  width: 100%;
}

.topbar-left {
  display: flex;
  align-items: center;
  gap: 5px;
}

.topbar-right {
  display: flex;
  align-items: center;
}

.topbar-crown {
  font-size: 18px;
}

#high-score {
  font-size: 15px;
  font-weight: 800;
  color: var(--gold);
}

.topbar-center {
  width: 100%;
  text-align: center;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 0;
}

#score {
  font-size: clamp(28px, 4.5vw, 52px);
  font-weight: 900;
  color: var(--text-1);
  line-height: 1;
  letter-spacing: -2px;
  margin-bottom: 0;
}

.topbar-btn {
  width: 42px;
  height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-glass2);
  border: 1px solid var(--border2);
  border-radius: var(--radius-md);
  color: var(--text-2);
  font-size: 18px;
  cursor: pointer;
  transition: all 0.15s;
  backdrop-filter: blur(8px);
}
.topbar-btn:active { transform: scale(0.92); background: var(--bg-glass); }

/* ========================================
   BOARD
   ======================================== */
#board {
  width: 100%;
  height: auto;
  aspect-ratio: 1 / 1;
  max-width: 449px;
  background: transparent;
  border: none;
  border-radius: 0;
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  grid-template-rows: repeat(8, 1fr);
  gap: 3px;
  padding: 0;
  margin-bottom: 0;
  touch-action: none;
  position: relative;
  contain: layout style paint;
  isolation: isolate;
  
}

.board-cell {
  background: var(--board-cell-bg, #2e2a67);
  border-radius: 10px;
  box-shadow:
    inset 0 4px 6px rgba(255,255,255,0.05),
    inset 0 -4px 8px rgba(0,0,0,0.25);
  transition: background 0.2s;
  position: relative;
  overflow: hidden;
}

/* Dolu hücre — Block Blast tarzı 3D */
.board-cell[style*="background"] {
  border: none;
  
}

.board-cell[style*="background"]::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 40%;
  background: linear-gradient(to bottom, rgba(255,255,255,0.22), transparent);
  border-radius: 8px 8px 0 0;
  pointer-events: none;
}

/* Ghost */
.board-cell.ghost-valid {
  background: var(--ghost-color, rgba(124,111,247,0.18)) !important;
  border: 2px solid var(--ghost-border, rgba(124,111,247,0.9)) !important;
  box-shadow:
    0 0 8px var(--ghost-glow, rgba(124,111,247,0.4)),
    inset 0 1px 0 rgba(255,255,255,0.25) !important;
  transition: none !important;
  border-radius: 4px !important;
}
.board-cell.ghost-valid::after { display: none; }
.board-cell.ghost-valid::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.15) 0%, transparent 60%);
  border-radius: 3px;
  pointer-events: none;
}

/* Predict clear */
/* PATLAMA TAHMİNİ (Güçlendirilmiş CSS Kuralları) */
.board-cell.predict-clear,
.board-cell.ghost-valid.predict-clear {
  /* Alttaki mavi/sarı blokları ve saydamlığı zorla ezer */
  background: linear-gradient(45deg, #fff176, #ffca28, #ffa000) !important;
  box-shadow: 0 0 20px #ffeb3b !important;
  
  /* Ghost'un etrafındaki kesik çizgileri kaldırır, pürüzsüz sarı yapar */
  outline: none !important; 
  
  animation: predictPulse 0.35s ease-in-out infinite alternate !important;
  z-index: 10;
}
@keyframes predictPulse {
  from { opacity: 0.7; }
  to   { opacity: 1; }
}

/* Animasyonlar */
@keyframes cellPop {
  0%   { transform: scale(0.4) rotate(-8deg); opacity: 0; }
  35%  { transform: scale(1.18) rotate(3deg); opacity: 1; }
  60%  { transform: scale(0.94) rotate(-1deg); }
  80%  { transform: scale(1.04); }
  100% { transform: scale(1) rotate(0deg); opacity: 1; }
}
.board-cell.placed {
  animation: cellPop 0.28s cubic-bezier(0.2,1.5,0.3,1);
}

.board-cell.explode { }
.board-cell.line-flash { }

@keyframes popIn {
  0%   { transform: scale(0.7); }
  60%  { transform: scale(1.08); }
  100% { transform: scale(1); }
}
.board-cell.pop { animation: popIn 0.2s cubic-bezier(0.2,1.3,0.4,1); }

@keyframes colorPop {
  0%   { }
  100% { }
}
.board-cell.color-pop { animation: colorPop 0.25s ease-out; }

/* Board shake */
@keyframes boardShakeBig {
  0%,100% { transform: translate(0,0); }
  15%  { transform: translate(-4px,2px); }
  30%  { transform: translate(4px,-3px); }
  45%  { transform: translate(-3px,3px); }
  60%  { transform: translate(3px,-2px); }
  80%  { transform: translate(-1px,1px); }
}
#board.shake-big { animation: boardShakeBig 0.28s ease-out; }

@keyframes boardShakeGentle {
  0%,100% { transform: translate(0,0); }
  33%  { transform: translate(-2px,1px); }
  66%  { transform: translate(2px,-1px); }
}
#board.shake-gentle { animation: boardShakeGentle 0.25s ease-in-out; }

@keyframes boardShakeElectric {
  0%,100% { transform: translate(0,0) rotate(0deg); }
  20%  { transform: translate(-5px,3px) rotate(-0.8deg); }
  40%  { transform: translate(5px,-4px) rotate(0.8deg); }
  60%  { transform: translate(-3px,3px) rotate(-0.4deg); }
  80%  { transform: translate(3px,-2px) rotate(0.4deg); }
}
#board.shake-electric { animation: boardShakeElectric 0.3s ease-out; }

@keyframes boardShakeHard {
  0%,100% { transform: translate(0,0); }
  20%  { transform: translate(-6px,0); }
  40%  { transform: translate(6px,0); }
  60%  { transform: translate(-4px,0); }
  80%  { transform: translate(4px,0); }
}
#board.shake-hard { animation: boardShakeHard 0.22s steps(4); }

@keyframes boardShakeCosmic {
  0%,100% { transform: translate(0,0) rotate(0deg) scale(1); }
  25%  { transform: translate(-3px,2px) rotate(-0.5deg) scale(1.01); }
  50%  { transform: translate(3px,-3px) rotate(0.5deg) scale(0.99); }
  75%  { transform: translate(-2px,2px) rotate(-0.3deg) scale(1); }
}
#board.shake-cosmic { animation: boardShakeCosmic 0.35s ease-out; }

@keyframes boardShakeQuake {
  0%,100% { transform: translate(0,0); }
  10%  { transform: translate(-6px,4px); }
  25%  { transform: translate(6px,-5px); }
  40%  { transform: translate(-5px,4px); }
  55%  { transform: translate(5px,-3px); }
  70%  { transform: translate(-3px,2px); }
  85%  { transform: translate(2px,-1px); }
}
#board.shake-quake { animation: boardShakeQuake 0.35s ease-out; }

@keyframes boardShakeBounce {
  0%,100% { transform: translate(0,0) scale(1); }
  25%  { transform: translate(0,-6px) scale(1.02,0.98); }
  50%  { transform: translate(0,3px) scale(0.98,1.02); }
  75%  { transform: translate(0,-2px) scale(1.01,0.99); }
}
#board.shake-bounce { animation: boardShakeBounce 0.35s cubic-bezier(0.36,0.07,0.19,0.97); }

@keyframes boardShakeWave {
  0%,100% { transform: translate(0,0) skewX(0); }
  25%  { transform: translate(-3px,0) skewX(-1deg); }
  50%  { transform: translate(3px,0) skewX(1deg); }
  75%  { transform: translate(-1px,0) skewX(-0.5deg); }
}
#board.shake-wave { animation: boardShakeWave 0.3s ease-in-out; }

/* Element tipleri */
.board-cell.type-fire { box-shadow: 0 0 10px rgba(255,100,50,0.4), inset 0 1px 0 rgba(255,255,255,0.2) !important; }
.board-cell.type-fire::before { content: '🔥'; position: absolute; right: 1px; bottom: 0; font-size: 10px; line-height: 1; }
.board-cell.type-water { box-shadow: 0 0 10px rgba(66,165,245,0.4), inset 0 1px 0 rgba(255,255,255,0.2) !important; }
.board-cell.type-water::before { content: '💧'; position: absolute; right: 1px; bottom: 0; font-size: 10px; line-height: 1; }

.board-cell.row-target { background: rgba(255,230,0,0.2) !important; }
.board-cell.clearing { }
.board-cell.pre-glow { box-shadow: 0 0 6px rgba(255,255,255,0.3) !important; }
.board-cell.line-warning {
  animation: lineWarn 0.18s ease-in-out infinite alternate;
}
@keyframes lineWarn {
  from { 
    opacity: 1;
    background: rgba(255, 220, 50, 0.6) !important;
    box-shadow: 0 0 10px rgba(255, 220, 50, 0.9);
  }
  to { 
    opacity: 0.7;
    background: rgba(255, 150, 0, 0.4) !important;
    box-shadow: none;
  }
}
.board-cell.final-pulse { animation: finalFlash 0.12s linear infinite; }
@keyframes finalFlash {
  from { opacity: 1; }
  to   { opacity: 0.4; }
}

/* ========================================
   PIECES
   ======================================== */
#pieces {
  display: flex;
  gap: 6px;
  justify-content: center;
  align-items: center;
  height: 140px;
  flex-shrink: 0;
  touch-action: none;
  width: 100%;
  margin-top: 0;
  margin-bottom: 0;
  contain: layout style;
}

.piece-slot {
  flex: 1;
  max-width: none;
  flex: 1;
  height: 122px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
}
.piece-slot:hover { background: rgba(255,255,255,0.04); border-color: rgba(255,255,255,0.08); }

.piece {
  display: inline-flex;
  flex-direction: column;
  gap: 0;
  touch-action: none;
  transition: transform 0.15s;
}
.piece.selected { transform: scale(1.08); }

.piece-row { display: flex; }

.piece-cell {
  width: 18px;
  height: 18px;
  margin: 1.5px;
  border-radius: 3px;
  background: transparent;
  flex-shrink: 0;
}

.piece-cell.filled {
  will-change: transform;
  transform: translateZ(0);
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.3),
    inset 0 -1px 0 rgba(0,0,0,0.2),
    0 2px 6px rgba(0,0,0,0.25);
  position: relative;
  overflow: hidden;
}
.piece-cell.filled::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 45%;
  background: linear-gradient(to bottom, rgba(255,255,255,0.22), transparent);
  border-radius: 2px 2px 0 0;
}

.drag-preview { background: transparent !important; opacity: 0.88; }
.drag-preview .piece-cell.filled { opacity: 0.9; }

/* ========================================
   POWERUPS
   ======================================== */
#powerups {
  display: flex;
  gap: 8px;
  width: 100%;
  justify-content: center;
  align-items: center;
  padding: 0;
  margin-top: 0;
  height: 185px;
}

#powerups button {
  position: relative;
  flex: 1;
  height: 195px;
  border-radius: 14px;
  border: 1.5px solid transparent;
  background: transparent;
  color: #a78bfa;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  gap: 0;
  cursor: pointer;
  transition: all 0.15s;
  padding: 0;
  overflow: visible;
}
#pu-reroll { color: #34d399; }
#pu-undo { color: #fbbf24; }
#powerups button:active { transform: scale(0.88); }
#powerups button.active { opacity: 0.8; }
#powerups button:disabled { opacity: 0.3; cursor: not-allowed; }

.pu-icon {
  width: 100%;
  height: 130px;
  max-height: 100px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.pu-icon img {
  width: auto;
  height: 100%;
  max-width: 90px;
  max-height: 90px;
  object-fit: contain;
}

.pu-label {
  width: 100%;
  text-align: center;
  font-size: 12px;
  font-weight: 900;
  font-family: 'Nunito', sans-serif;
  color: #fff;
  text-shadow: 0 1px 4px rgba(0,0,0,0.8);
  line-height: 1;
  z-index: 2;
}
.pu-label.zero { opacity: 0.35; }
.pu-label.buy { color: #ffd24d; opacity: 1; }

.pu-count {
  display: inline-block;
  background: rgba(255,255,255,0.12);
  border-radius: 50px;
  padding: 1px 6px;
  font-size: 10px;
  font-weight: 800;
  margin-left: 3px;
}
.pu-xp-buy {
  display: inline-block;
  background: rgba(251,191,36,0.2);
  color: var(--gold);
  border-radius: 50px;
  padding: 1px 6px;
  font-size: 10px;
  font-weight: 800;
  margin-left: 3px;
}

button.used-flash {
  animation: usedFlash 0.2s ease-out;
}
@keyframes usedFlash {
  0%   { transform: scale(1); }
  50%  { transform: scale(1.06); opacity: 0.8; }
  100% { transform: scale(1); opacity: 1; }
}

/* ========================================
   GAME OVER
   ======================================== */
#gameOverScreen {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.75);
  backdrop-filter: blur(12px);
  display: flex;
  justify-content: center;
  align-items: center;
  visibility: hidden;
  pointer-events: none;
  z-index: 999;
}

.gameover-box {
  background: rgba(20,20,35,0.95);
  border: 1px solid var(--border2);
  border-radius: var(--radius-xl);
  padding: 36px 32px 28px;
  text-align: center;
  width: 280px;
  box-shadow: 0 24px 80px rgba(0,0,0,0.6);
  animation: gameoverPop 0.4s cubic-bezier(0.2,1.3,0.4,1) both;
}
@keyframes gameoverPop {
  0%   { transform: scale(0.7) translateY(20px); opacity: 0; }
  100% { transform: scale(1) translateY(0); opacity: 1; }
}

.gameover-box h1 {
  font-size: 32px;
  font-weight: 900;
  letter-spacing: -0.5px;
  margin-bottom: 8px;
  background: linear-gradient(135deg, #fff 0%, var(--accent2) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.gameover-box p {
  color: var(--text-2);
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 24px;
}
#gameOverScreen #restartBtn {
  display: block;
  width: 100%;
  padding: 15px;
  border-radius: var(--radius-md);
  border: none;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  color: #fff;
  font-size: 16px;
  font-weight: 800;
  font-family: var(--font);
  cursor: pointer;
  transition: transform 0.1s;
  
}
#gameOverScreen #restartBtn:active { transform: scale(0.97);  }

/* ========================================
   OYUN İÇİ AYARLAR PANELİ
   ======================================== */
#inGameSettingsPanel {
  position: fixed;
  top: 60px;
  right: 12px;
  background: rgba(18,18,30,0.97);
  border: 1px solid var(--border2);
  border-radius: var(--radius-lg);
  padding: 6px 0;
  z-index: 500;
  min-width: 210px;
  backdrop-filter: blur(20px);
  box-shadow: 0 8px 40px rgba(0,0,0,0.5);
  animation: slideDown 0.18s ease both;
}
#inGameSettingsPanel.hidden { display: none; }

@keyframes slideDown {
  from { opacity: 0; transform: translateY(-8px); }
  to   { opacity: 1; transform: translateY(0); }
}

.igs-action-row {
  padding: 12px 16px;
  color: var(--text-1);
  font-size: 14px;
  font-weight: 600;
  font-family: var(--font);
  cursor: pointer;
  border-bottom: 1px solid var(--border);
  transition: background 0.1s;
}
.igs-action-row:hover { background: var(--bg-glass2); }
.igs-action-row.danger-row { color: #f87171; }

.igs-divider { height: 1px; background: var(--border2); margin: 4px 0; }

.igs-row {
  display: flex;
  align-items: center;
  justify-content: space-evenly;
  padding: 11px 16px;
  color: var(--text-2);
  font-size: 13px;
  font-weight: 600;
  font-family: var(--font);
  border-bottom: 1px solid var(--border);
}
.igs-row:last-child { border-bottom: none; }

.toggle {
  width: 44px; height: 24px;
  background: var(--accent);
  border-radius: 50px;
  position: relative;
  cursor: pointer;
  transition: background 0.2s;
  flex-shrink: 0;
}
.toggle.off { background: rgba(255,255,255,0.15); }
.toggle::after {
  content: '';
  position: absolute;
  width: 18px; height: 18px;
  background: #fff;
  border-radius: 50%;
  top: 3px; left: 3px;
  transition: transform 0.2s;
  
}
.toggle:not(.off)::after { transform: translateX(20px); }

/* ========================================
   RESET ONAY
   ======================================== */
#confirmReset {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 600;
}
#confirmReset.hidden { display: none; }

.confirm-box {
  background: rgba(20,20,35,0.97);
  border: 1px solid var(--border2);
  border-radius: var(--radius-xl);
  padding: 28px 24px 22px;
  text-align: center;
  width: 260px;
}
.confirm-box h3 { color: var(--text-1); font-size: 18px; font-weight: 800; margin-bottom: 8px; }
.confirm-box p  { color: var(--text-2); font-size: 13px; margin-bottom: 20px; }
.confirm-btns   { display: flex; gap: 10px; }
.confirm-btns button {
  flex: 1; padding: 13px;
  border-radius: var(--radius-md);
  border: none;
  font-size: 14px; font-weight: 700;
  font-family: var(--font);
  cursor: pointer;
  transition: transform 0.1s;
}
.confirm-btns button:active { transform: scale(0.96); }
.btn-cancel-confirm { background: var(--bg-glass2); color: var(--text-1); border: 1px solid var(--border2) !important; }
.btn-yes-reset { background: linear-gradient(135deg, #ef4444, #dc2626); color: #fff; }

/* ========================================
   FLASH OVERLAY
   ======================================== */
#flash-overlay {
  position: fixed; inset: 0;
  pointer-events: none; z-index: 998;
  opacity: 0;
}
@keyframes flashFade { 0% { opacity: 1; } 100% { opacity: 0; } }

#flash-overlay.flash-white        { background: rgba(255,255,255,0.15); animation: flashFade 0.18s ease-out forwards; }
#flash-overlay.flash-combo        { background: rgba(251,191,36,0.18);  animation: flashFade 0.25s ease-out forwards; }
#flash-overlay.flash-gameover     { background: rgba(239,68,68,0.25);   animation: flashFade 0.4s ease-out forwards; }
#flash-overlay.flash-pastel       { background: rgba(244,143,177,0.15); animation: flashFade 0.22s ease-out forwards; }
#flash-overlay.flash-pastel-combo { background: rgba(206,147,216,0.2);  animation: flashFade 0.28s ease-out forwards; }
#flash-overlay.flash-pastel-gameover { background: rgba(244,143,177,0.3); animation: flashFade 0.4s ease-out forwards; }
#flash-overlay.flash-ocean        { background: rgba(0,180,216,0.15);   animation: flashFade 0.2s ease-out forwards; }
#flash-overlay.flash-ocean-combo  { background: rgba(0,119,182,0.22);   animation: flashFade 0.28s ease-out forwards; }
#flash-overlay.flash-ocean-gameover { background: rgba(0,96,199,0.3);   animation: flashFade 0.4s ease-out forwards; }
#flash-overlay.flash-neon         { background: rgba(0,255,136,0.18);   animation: neonFlash 0.22s ease-out forwards; }
#flash-overlay.flash-neon-combo   { background: rgba(0,207,255,0.25);   animation: neonFlash 0.28s ease-out forwards; }
#flash-overlay.flash-neon-gameover { background: rgba(255,0,60,0.3);    animation: neonFlash 0.4s ease-out forwards; }
@keyframes neonFlash { 0%{opacity:1} 30%{opacity:0.5} 60%{opacity:0.9} 100%{opacity:0} }
#flash-overlay.flash-retro        { background: rgba(212,172,13,0.22);  animation: retroFlash 0.18s steps(2) forwards; }
#flash-overlay.flash-retro-combo  { background: rgba(212,172,13,0.35);  animation: retroFlash 0.22s steps(2) forwards; }
#flash-overlay.flash-retro-gameover { background: rgba(192,57,43,0.4);  animation: retroFlash 0.3s steps(2) forwards; }
@keyframes retroFlash { 0%{opacity:1} 50%{opacity:0} 60%{opacity:0.7} 100%{opacity:0} }
#flash-overlay.flash-galaxy        { background: rgba(156,39,176,0.2);  animation: flashFade 0.25s ease-out forwards; }
#flash-overlay.flash-galaxy-combo  { background: rgba(63,81,181,0.25);  animation: flashFade 0.3s ease-out forwards; }
#flash-overlay.flash-galaxy-gameover { background: rgba(123,47,247,0.35); animation: flashFade 0.4s ease-out forwards; }
#flash-overlay.flash-lava          { background: rgba(255,109,0,0.22);  animation: flashFade 0.22s ease-out forwards; }
#flash-overlay.flash-lava-combo    { background: rgba(255,23,68,0.3);   animation: flashFade 0.28s ease-out forwards; }
#flash-overlay.flash-lava-gameover { background: rgba(221,44,0,0.4);    animation: flashFade 0.4s ease-out forwards; }
#flash-overlay.flash-candy         { background: rgba(244,143,177,0.2); animation: flashFade 0.22s ease-out forwards; }
#flash-overlay.flash-candy-combo   { background: rgba(206,147,216,0.28);animation: flashFade 0.28s ease-out forwards; }
#flash-overlay.flash-candy-gameover { background: rgba(255,204,128,0.35);animation: flashFade 0.4s ease-out forwards; }

/* ========================================
   COMBO & SCORE POPUP
   ======================================== */
.combo-popup {
  position: fixed;
  left: 50%; top: 50%;
  transform: translate(-50%,-50%) scale(0.3);
  font-size: 18px;
  font-weight: 800;
  font-family: var(--font);
  color: rgba(255,255,255,0.6);
  pointer-events: none;
  animation: comboBigPop 0.7s ease forwards;
  z-index: 9996;
  letter-spacing: 1px;
  white-space: nowrap;
}
@keyframes comboBigPop {
  0%   { transform: translate(-50%,-50%) scale(0.2) rotate(-5deg); opacity: 0; }
  40%  { transform: translate(-50%,-50%) scale(1.3) rotate(2deg);  opacity: 1; }
  70%  { transform: translate(-50%,-50%) scale(1.05) rotate(0deg); opacity: 1; }
  100% { transform: translate(-50%,-50%) scale(1.2) rotate(0deg);  opacity: 0; }
}

.score-popup {
  position: fixed;
  left: 50%; top: 45%;
  font-size: 26px !important;
  font-weight: 800 !important;
  font-family: var(--font);
  pointer-events: none;
  z-index: 9998;
  animation: scoreFloat 0.9s ease-out forwards !important;
}
@keyframes scoreFloat {
  0%   { transform: translateX(-50%) translateY(0) scale(0.6); opacity: 0; }
  20%  { transform: translateX(-50%) translateY(-8px) scale(1.15); opacity: 1; }
  70%  { transform: translateX(-50%) translateY(-30px) scale(1); opacity: 1; }
  100% { transform: translateX(-50%) translateY(-50px) scale(0.85); opacity: 0; }
}

/* Score bounce */
@keyframes scoreBounce {
  0%,100% { transform: scale(1); }
  40%      { transform: scale(1.35); }
  70%      { transform: scale(0.95); }
}
#score.score-bounce { animation: scoreBounce 0.3s cubic-bezier(0.2,1.4,0.4,1); }

/* New record */
@keyframes newHSGlow {
  0%,100% { color: var(--gold); }
  50%      { color: #fff; text-shadow: 0 0 12px var(--gold); }
}
#high-score.new-record { animation: newHSGlow 0.5s ease-in-out 3; }

/* ========================================
   PARÇACIKLAR
   ======================================== */
@keyframes particleBurst {
  0%   { transform: translate(0,0) scale(1); opacity: 1; }
  100% { transform: translate(var(--px),var(--py)) scale(0); opacity: 0; }
}
.burst-particle {
  position: fixed;
  border-radius: 50%;
  pointer-events: none;
  z-index: 999;
  animation: particleBurst var(--dur,0.45s) ease-out forwards;
}
.combo-particle {
  position: absolute;
  width: 6px; height: 6px;
  background: var(--gold);
  border-radius: 50%;
  pointer-events: none;
  animation: comboParticle 0.65s forwards;
}
@keyframes comboParticle {
  to { transform: translate(var(--x),var(--y)); opacity: 0; }
}

/* ========================================
   BG BLOKLAR
   ======================================== */
@keyframes bgBlockFloat {
  0%,100% { transform: translateY(0) rotate(var(--r)); }
  50%      { transform: translateY(-12px) rotate(calc(var(--r) + 2deg)); }
}
.bg-block {
  position: fixed;
  border-radius: 12px;
  pointer-events: none;
  z-index: 0;
  opacity: var(--op, 0.06);
  transform: rotate(var(--r));
  /* Float animasyonu kaldırıldı - sürekli GPU kullanımı azaltır */
}

/* ========================================
   NEON TEMA
   ======================================== */
body.theme-glow .board-cell[style] {
  
}
body.theme-glow .piece-cell.filled {
  will-change: transform;
  transform: translateZ(0);
  
}
body[data-theme="retro"] .board-cell,
body[data-theme="retro"] .piece-cell { border-radius: 2px !important; }
body[data-theme="retro"] .combo-popup { font-family: monospace !important; letter-spacing: 3px; }
body[data-theme="neon"] .combo-popup { animation: comboBigPop 0.7s ease forwards, neonPulse 0.15s ease 3 !important; }
@keyframes neonPulse { 0%,100%{opacity:1} 50%{opacity:0.5} }
body[data-theme="candy"] .combo-popup { animation: comboBigPop 0.7s ease forwards, rainbowText 0.4s linear infinite !important; }
@keyframes rainbowText {
  0%{color:#f48fb1} 25%{color:#80deea} 50%{color:#a5d6a7} 75%{color:#fff59d} 100%{color:#ce93d8}
}

/* ========================================
   GENEL
   ======================================== */
* { -webkit-tap-highlight-color: transparent; }
.piece, .piece * { outline: none !important; user-select: none; -webkit-user-select: none; }
.snap-slow * { transition: transform 0.08s ease-out !important; }

@keyframes xpToastAnim {
  0%   { opacity:0; transform:translateX(-50%) translateY(10px); }
  15%  { opacity:1; transform:translateX(-50%) translateY(0); }
  75%  { opacity:1; }
  100% { opacity:0; transform:translateX(-50%) translateY(-20px); }
}

/* === YENİ EFEKT ANİMASYONLARI === */
@keyframes placeRing {
  0%   { transform: scale(1); opacity: 1; }
  60%  { transform: scale(1.5); opacity: 0.6; }
  100% { transform: scale(2); opacity: 0; }
}

@keyframes lineFlash {
  0%   { opacity: 1; }
  100% { opacity: 0; }
}

/* Blok yerleşince - eski popIn animasyonunu koru, sadece brightness ekle */
@keyframes cellPlacePop {
  0%   { }
  100% { }
}

/* Satır uyarı efekti */
/* line-warning ikinci tanım kaldırıldı */
@keyframes lineWarnDuplicate {
  0%,100% { }
  50%     { box-shadow: 0 0 12px rgba(255,255,255,0.8); }
}

/* === PERFORMANS OPTİMİZASYONLARI === */
#board {
  will-change: transform;
  transform: translateZ(0);
}
.board-cell {
  will-change: transform, opacity;
}
.drag-preview {
  will-change: transform, left, top;
  transform: translateZ(0);
}
.piece {
  will-change: opacity;
}

/* ===== MAĞAZA ===== */
.shop-item {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-evenly;
  padding: 14px 16px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 16px;
  cursor: pointer;
  transition: all 0.15s;
}
.shop-item:active { transform: scale(0.97); }
.shop-popular {
  border-color: rgba(245,158,11,0.4);
  background: rgba(245,158,11,0.08);
}
.shop-premium {
  border-color: rgba(251,191,36,0.4);
  background: rgba(251,191,36,0.08);
}

/* ===== COMBO YAZILARI ===== */
@keyframes comboLabelPop {
  0%   { opacity: 0; transform: translateX(-50%) scale(0.3) rotate(-5deg); }
  15%  { opacity: 1; transform: translateX(-50%) scale(1.15) rotate(2deg); }
  30%  { transform: translateX(-50%) scale(0.95) rotate(-1deg); }
  45%  { transform: translateX(-50%) scale(1.05) rotate(0deg); }
  60%  { opacity: 1; transform: translateX(-50%) scale(1) rotate(0deg); }
  85%  { opacity: 1; transform: translateX(-50%) scale(1) translateY(0); }
  100% { opacity: 0; transform: translateX(-50%) scale(0.9) translateY(-24px); }
}
@keyframes comboShake {
  0%,100% { transform: translateX(-50%) translateX(0) scale(1); }
  20%     { transform: translateX(-50%) translateX(-6px) scale(1.05); }
  40%     { transform: translateX(-50%) translateX(6px) scale(1.05); }
  60%     { transform: translateX(-50%) translateX(-4px); }
  80%     { transform: translateX(-50%) translateX(4px); }
}