/* ====== BLOCKS GAME STYLES ====== */

/* Game-specific variables */
:root {
  --cell-size: 26px;
  --game-scale: 1;
  
  /* Tetromino colors */
  --color-I: #a6c0fe;
  --color-O: #ffb3ba;
  --color-T: #d4a5f5;
  --color-S: #b19cd9;
  --color-Z: #ff9999;
  --color-J: #89a4f7;
  --color-L: #ffc0cb;
  
  /* Layout dimensions */
  --board-width: calc(10 * var(--cell-size));
  --board-height: calc(18 * var(--cell-size));
  --info-box-width: 120px;
  --info-box-gap: 30px;
  
  /* Layout adjustments */
  --desktop-vertical-offset: 90px;
  --mobile-vertical-offset: 30px;
  --mobile-score-horizontal-offset: -10px;
}

/* Responsive variables */
@media (max-width: 768px) {
  :root {
    --cell-size: 24px;
    --info-box-width: 90px;
    --info-box-gap: 16px;
  }
}

@media (max-width: 480px) {
  :root {
    --cell-size: 20px;
    --info-box-width: 75px;
    --info-box-gap: 20px;
  }
}

/* ====== MAIN LAYOUT WITH CSS GRID ====== */
.game-layout {
  display: grid;
  gap: var(--info-box-gap);
  justify-content: center;
  align-items: center;
  align-content: center;
  padding: 20px;
  min-height: calc(100vh - var(--headerH));
  
  /* Desktop layout: Hold | Board | Score/Next */
  grid-template-columns: var(--info-box-width) var(--board-width) var(--info-box-width);
  grid-template-rows: auto auto;
  grid-template-areas: 
    "hold board score"
    ". board ."
    ". board next";
    
  /* Center vertically with offset */
  padding-top: calc(20px + var(--desktop-vertical-offset));
}

/* Mobile layout */
@media (max-width: 768px) {
  .game-layout {
    padding: 10px;
    gap: var(--info-box-gap);
    
    /* Mobile: Score on top, board on left, hold/next on right */
    grid-template-columns: var(--board-width) var(--info-box-width);
    grid-template-rows: auto auto auto;
    grid-template-areas:
      "score score"
      "board hold"
      "board next";
    align-content: center;
    align-items: start;
    
    /* Center vertically with offset */
    padding-top: calc(10px + var(--mobile-vertical-offset));
    position: relative;
  }
  
  /* Score spans full width */
  #scoreBox {
    width: calc(var(--board-width) + var(--info-box-width) + var(--info-box-gap));
    justify-self: center;
    transform: translateX(var(--mobile-score-horizontal-offset));
  }
  
  /* Hold at top right */
  #holdBox {
    align-self: start;
    justify-self: start;
  }
  
  /* Next at bottom right */
  #nextBox {
    align-self: end;
    justify-self: start;
    margin-top: 100px;
  }
  
  /* Center board vertically in its space */
  .game-container {
    align-self: center;
    grid-row: 2 / 4;
  }
}

/* Grid area assignments */
#scoreBox { 
  grid-area: score;
  align-self: start;
}

#holdBox { 
  grid-area: hold;
  align-self: start;
}

#nextBox { 
  grid-area: next;
  align-self: start;
}

.game-container { 
  grid-area: board;
}

/* ====== GAME BOARD ====== */
.game-container {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.board-wrap {
  background: #fff;
  padding: 20px;
  border-radius: 16px;
  box-shadow: var(--shadow-lg);
  position: relative;
  transition: opacity 0.3s ease;
}

@media (max-width: 768px) {
  .board-wrap {
    padding: 12px;
    border-radius: 12px;
  }
}

#board {
  display: grid;
  grid-template-columns: repeat(10, var(--cell-size));
  grid-template-rows: repeat(18, var(--cell-size));
  gap: 0;
  background: var(--bg);
  border: 1px solid var(--border-light);
  border-radius: 4px;
  overflow: hidden;
}

/* Cells */
.cell {
  background: var(--bg);
  transition: all 0.1s ease;
}

.cell.filled {
  transform: scale(0.9);
  border-radius: 3px;
}

.cell.ghost {
  opacity: 0.25;
  border-radius: 3px;
}

/* Tetromino colors */
.cell.I, .preview-cell.I { background: var(--color-I); }
.cell.O, .preview-cell.O { background: var(--color-O); }
.cell.T, .preview-cell.T { background: var(--color-T); }
.cell.S, .preview-cell.S { background: var(--color-S); }
.cell.Z, .preview-cell.Z { background: var(--color-Z); }
.cell.J, .preview-cell.J { background: var(--color-J); }
.cell.L, .preview-cell.L { background: var(--color-L); }

/* Line clear animation */
@keyframes lineFlash {
  0% { transform: scale(0.9); }
  30% {
    background: #fff;
    transform: scale(1.05);
    box-shadow: 0 0 10px rgba(255, 255, 255, 0.8);
  }
  99% {
    background: #fff;
    opacity: 0;
    transform: scale(0.8);
  }
  100% {
    opacity: 0;
    visibility: hidden;
  }
}

.cell.clearing {
  animation: lineFlash 0.2s ease-out forwards;
}

/* ====== NOTIFICATIONS ====== */
@keyframes notificationPop {
  0% {
    transform: scale(0) rotate(-5deg);
    opacity: 0;
  }
  50% {
    transform: scale(1.1) rotate(3deg);
  }
  70% {
    transform: scale(0.95) rotate(-1deg);
  }
  100% {
    transform: scale(1) rotate(0deg);
    opacity: 1;
  }
}

@keyframes notificationFade {
  to {
    opacity: 0;
    transform: scale(0.8);
  }
}

.game-notification {
  position: relative;
  animation: notificationPop 0.8s cubic-bezier(0.68, -0.55, 0.265, 1.55);
  margin-bottom: 10px;
  text-align: center;
}

/* Notification types styling is handled in renderer.js inline styles */

/* ====== INFO BOXES ====== */
.info-box {
  background: #fff;
  padding: 20px;
  border-radius: 12px;
  box-shadow: var(--shadow-sm);
  height: fit-content;
}

.info-box h3 {
  font-size: 0.85rem;
  margin-bottom: 8px;
  color: #999;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-weight: 600;
  text-align: center;
}

/* Score box specific */
.score-box {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.score-section {
  width: 100%;
}

.score {
  font-size: 2rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 12px;
}

.stats {
  font-size: 0.9rem;
  color: #666;
  line-height: 1.6;
}

/* Mobile score box layout */
@media (max-width: 768px) {
  .score-box {
    display: grid;
    grid-template-columns: auto 1fr;
    align-items: center;
    gap: 20px;
    padding: 10px 16px;
    width: 100%;
  }
  
  .score-section {
    text-align: left;
  }
  
  .score-section h3 {
    text-align: left;
    font-size: 0.7rem;
    margin-bottom: 2px;
  }
  
  .score {
    font-size: 1.4rem;
    margin-bottom: 0;
    line-height: 1;
  }
  
  .stats {
    display: flex;
    flex-direction: column;
    gap: 2px;
    font-size: 0.8rem;
    justify-self: end;
    align-items: flex-end;
  }
  
  .stats div {
    white-space: nowrap;
    line-height: 1.2;
  }
}

/* Very narrow screens adjustments */
@media (max-width: 480px) {
  .score-box {
    padding: 8px 12px;
  }
  
  .score-section h3 {
    font-size: 0.65rem;
    margin-bottom: 1px;
  }
  
  .score {
    font-size: 1.2rem;
  }
  
  .stats {
    font-size: 0.75rem;
    gap: 1px;
  }
}

/* Piece boxes */
.piece-box {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 16px;
}

@media (max-width: 768px) {
  .piece-box {
    padding: 12px;
  }
}

/* ====== PREVIEW PIECES ====== */
.hold-preview,
.next-queue {
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: center;
  transition: opacity 0.2s ease;
}

.preview-piece {
  display: grid;
  grid-template-columns: repeat(4, 16px);
  grid-template-rows: repeat(4, 16px);
  gap: 0;
}


.preview-cell {
  background: transparent;
}

.preview-cell.filled {
  transform: scale(0.9);
  border-radius: 2px;
}

.empty-hold {
  width: 64px;
  height: 48px;
  border: 2px dashed #ddd;
  border-radius: 4px;
}

@media (max-width: 768px) {
  .preview-piece {
    grid-template-columns: repeat(4, 12px);
    grid-template-rows: repeat(3, 12px);
  }
  
  .empty-hold {
    width: 48px;
    height: 36px;
  }
}

/* ====== OVERLAYS ====== */
.paused-overlay {
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0.7);
  display: none;
  align-items: center;
  justify-content: center;
  border-radius: 4px;
}

.paused-text {
  background: rgba(0,0,0,0.8);
  color: #fff;
  padding: 12px 24px;
  border-radius: 8px;
  font-size: 1.2rem;
  font-weight: 600;
}

/* Game Over */
.game-over-text {
  position: absolute;
  bottom: -60px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 3rem;
  font-weight: 800;
  color: var(--text-primary);
  text-transform: uppercase;
  letter-spacing: 2px;
  white-space: nowrap;
  opacity: 0;
  transition: opacity 0.4s ease 0.2s;
}

.game-layout.game-over .board-wrap {
  opacity: 0.3;
}

.game-layout.game-over .piece-box {
  opacity: 0.3;
}

.game-layout.game-over .game-over-text {
  opacity: 1;
}

@media (max-width: 768px) {
  .game-over-text {
    position: fixed;
    top: 50%;
    left: 50%;
    bottom: auto;
    transform: translate(-50%, -50%);
    font-size: 2.5rem;
    z-index: 20;
  }
}

/* ====== TOUCH CONTROLS ====== */
/* Hide by default on desktop */
.touch-controls,
.touch-control {
  display: none;
}

/* Show on mobile */
@media (max-width: 768px) {
  .touch-controls {
    display: none;
    position: fixed;
    bottom: 50px; /* Above footer */
    left: 50%;
    transform: translateX(-50%);
    gap: 16px;
    z-index: 15;
  }
  
  body.touch-buttons-enabled .touch-controls,
  body.touch-buttons-enabled .touch-control {
    display: flex;
  }
  
  .touch-btn {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.9);
    border: 2px solid rgba(0, 0, 0, 0.1);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--text-primary);
    transition: all 0.1s ease;
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
  }
  
  .touch-btn:active {
    transform: scale(0.95);
    background: rgba(200, 200, 200, 0.9);
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.15);
  }
  
  .touch-btn svg {
    pointer-events: none;
  }
  
  /* Mobile pause button */
  .mobile-pause-btn {
    grid-column: 2;
    grid-row: 2 / 4;
    justify-self: center;
    align-self: center;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: transparent;
    border: none;
    display: none;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--text-primary);
    transition: all 0.1s ease;
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
    z-index: 10;
  }
  
  .mobile-pause-btn:active {
    transform: scale(0.9);
    background: rgba(0, 0, 0, 0.05);
  }
  
  /* Make hold box clickable when touch buttons enabled */
  body.touch-buttons-enabled #holdBox {
    cursor: pointer;
    transition: all 0.1s ease;
  }
  
  body.touch-buttons-enabled #holdBox:active {
    transform: scale(0.95);
    background: rgba(240, 240, 240, 0.9);
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.15);
  }
}

/* Smaller touch controls on very small screens */
@media (max-width: 480px) {
  .touch-btn {
    width: 64px;
    height: 64px;
  }
  
  .touch-btn svg {
    width: 24px;
    height: 24px;
  }
  
  .touch-controls {
    gap: 12px;
    bottom: 45px;
  }
  
  .mobile-pause-btn {
    width: 40px;
    height: 40px;
  }
  
  .mobile-pause-btn svg {
    width: 18px;
    height: 18px;
  }
}

/* ====== HELP MODAL ====== */
.help-modal {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.3);
  backdrop-filter: blur(3px);
  align-items: center;
  justify-content: center;
  z-index: 200;
}

.help-content {
  background: #fff;
  padding: 40px;
  border-radius: 16px;
  box-shadow: var(--shadow-lg);
  max-width: 500px;
  max-height: 80vh;
  overflow-y: auto;
}

.help-content h2 {
  margin-bottom: 24px;
  color: var(--text-primary);
  font-size: 2rem;
}

.help-content h3 {
  margin: 20px 0 12px;
  color: var(--text-primary);
  font-size: 1.2rem;
}

.help-content p {
  margin-bottom: 16px;
  line-height: 1.6;
  color: #666;
}

.help-content ul {
  margin-left: 20px;
  margin-bottom: 16px;
  color: #666;
  line-height: 1.8;
}

@media (max-width: 768px) {
  .help-content {
    margin: 20px;
    padding: 24px;
    max-height: calc(100vh - 40px);
  }
}

/* ====== ANIMATION STATES ====== */
body.no-animations .cell {
  animation: none;
  transition: none;
}

body.no-animations .cell.clearing {
  opacity: 0;
}

body.no-animations .game-notification {
  animation: none;
}

/* Mouse control cursor */
body.mouse-control-enabled .board-wrap {
  cursor: crosshair;
}