/* ===================================================================
   BLOCK BLAST - MODERN RETRO ARCADE STYLESHEET
   Themes: Neon (Default), Woodoku, Gem Blast, Candy Pop
   =================================================================== */

:root {
  --font-main: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  
  /* Neon Theme (Default) */
  --bg-gradient: radial-gradient(circle at 50% 15%, #181d36 0%, #0c0f1e 50%, #070913 100%);
  --board-bg: rgba(18, 23, 45, 0.85);
  --board-border: rgba(99, 102, 241, 0.25);
  --cell-empty-bg: #12162a;
  --cell-empty-border: rgba(255, 255, 255, 0.05);
  --cell-empty-inset: inset 0 2px 4px rgba(0, 0, 0, 0.5);
  --text-main: #ffffff;
  --text-muted: #94a3b8;
  --tray-bg: rgba(18, 23, 45, 0.65);
  --tray-border: rgba(255, 255, 255, 0.08);
  --card-bg: rgba(26, 33, 62, 0.7);
  --accent-color: #6366f1;
  --accent-glow: 0 0 20px rgba(99, 102, 241, 0.5);
  --score-glow: 0 0 15px rgba(251, 191, 36, 0.4);
}

[data-theme="woodoku"] {
  --bg-gradient: radial-gradient(circle at 50% 20%, #3e2723 0%, #24140e 55%, #150a06 100%);
  --board-bg: #2d1b13;
  --board-border: #5d4037;
  --cell-empty-bg: #1e110c;
  --cell-empty-border: rgba(141, 110, 99, 0.2);
  --cell-empty-inset: inset 0 3px 6px rgba(0, 0, 0, 0.7);
  --text-main: #f5ebe0;
  --text-muted: #bcaaa4;
  --tray-bg: #281810;
  --tray-border: rgba(141, 110, 99, 0.25);
  --card-bg: #3a2217;
  --accent-color: #d7ccc8;
  --accent-glow: 0 0 15px rgba(215, 204, 200, 0.3);
  --score-glow: 0 0 15px rgba(255, 179, 0, 0.4);
}

[data-theme="gem"] {
  --bg-gradient: radial-gradient(circle at 50% 20%, #17113a 0%, #0a071e 60%, #04020c 100%);
  --board-bg: #140d33;
  --board-border: rgba(168, 85, 247, 0.4);
  --cell-empty-bg: #0f0927;
  --cell-empty-border: rgba(192, 132, 252, 0.15);
  --cell-empty-inset: inset 0 3px 5px rgba(0, 0, 0, 0.7);
  --text-main: #f3e8ff;
  --text-muted: #c084fc;
  --tray-bg: #160f38;
  --tray-border: rgba(168, 85, 247, 0.25);
  --card-bg: #241654;
  --accent-color: #c084fc;
  --accent-glow: 0 0 25px rgba(192, 132, 252, 0.5);
  --score-glow: 0 0 20px rgba(244, 63, 94, 0.5);
}

[data-theme="candy"] {
  --bg-gradient: radial-gradient(circle at 50% 20%, #2c1a40 0%, #190c29 55%, #0e0517 100%);
  --board-bg: #231238;
  --board-border: rgba(236, 72, 153, 0.35);
  --cell-empty-bg: #180929;
  --cell-empty-border: rgba(244, 114, 182, 0.15);
  --cell-empty-inset: inset 0 3px 5px rgba(0, 0, 0, 0.6);
  --text-main: #fdf2f8;
  --text-muted: #f472b6;
  --tray-bg: #210f34;
  --tray-border: rgba(236, 72, 153, 0.25);
  --card-bg: #35174f;
  --accent-color: #f472b6;
  --accent-glow: 0 0 20px rgba(244, 114, 182, 0.4);
  --score-glow: 0 0 18px rgba(251, 191, 36, 0.4);
}

/* Base Reset */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  user-select: none;
  -webkit-user-select: none;
  -webkit-tap-highlight-color: transparent;
}

html, body {
  width: 100%;
  height: 100%;
  height: 100dvh;
  overflow: hidden;
  font-family: var(--font-main);
  background: var(--bg-gradient);
  color: var(--text-main);
  position: fixed;
  inset: 0;
  touch-action: none;
  overscroll-behavior: none;
  -webkit-text-size-adjust: 100%;
}

body {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100%;
  height: 100dvh;
  margin: 0;
  padding: 0;
}

/* App Container - perfectly fitted to screen */
.app-container {
  width: 100%;
  max-width: 440px;
  height: 100%;
  height: 100dvh;
  max-height: 100dvh;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  align-items: center;
  padding: clamp(6px, 1.2dvh, 14px) clamp(10px, 3vw, 16px);
  position: relative;
  overflow: hidden;
  box-sizing: border-box;
}

/* Top Header */
.top-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  flex-shrink: 0;
  margin-bottom: clamp(2px, 0.6dvh, 6px);
}

.brand-wrap {
  display: flex;
  align-items: center;
  gap: clamp(4px, 1.5vw, 8px);
}

.brand-icon {
  font-size: clamp(18px, 3dvh, 24px);
  filter: drop-shadow(0 2px 8px rgba(251, 191, 36, 0.4));
  animation: logo-bounce 4s ease-in-out infinite;
}

@keyframes logo-bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-3px) scale(1.05); }
}

.brand-title {
  font-size: clamp(16px, 2.6dvh, 22px);
  font-weight: 800;
  letter-spacing: 0.5px;
  display: flex;
  gap: 4px;
}

.brand-title .blast {
  color: #fbbf24;
  text-shadow: 0 0 10px rgba(251, 191, 36, 0.5);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: clamp(4px, 1vw, 6px);
}

.icon-btn {
  background: var(--card-bg);
  border: 1px solid var(--tray-border);
  color: var(--text-main);
  width: clamp(30px, 4.2dvh, 36px);
  height: clamp(30px, 4.2dvh, 36px);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: clamp(12px, 1.8dvh, 15px);
  transition: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.25);
  flex-shrink: 0;
}

.icon-btn:hover {
  transform: translateY(-2px);
  border-color: var(--accent-color);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.35);
}

.icon-btn:active {
  transform: translateY(1px) scale(0.96);
}

/* Score Panel */
.score-panel {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(6px, 2vw, 10px);
  width: 100%;
  flex-shrink: 0;
  margin-bottom: clamp(2px, 0.5dvh, 6px);
}

.score-box {
  background: var(--card-bg);
  border: 1px solid var(--tray-border);
  backdrop-filter: blur(12px);
  border-radius: 12px;
  padding: clamp(4px, 0.8dvh, 8px) clamp(8px, 2vw, 12px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
  transition: transform 0.2s ease;
}

.score-box.current {
  border-color: rgba(251, 191, 36, 0.3);
}

.score-box.best {
  border-color: rgba(168, 85, 247, 0.3);
}

.score-label {
  font-size: clamp(9px, 1.2dvh, 11px);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-muted);
  margin-bottom: 1px;
}

.score-val {
  font-size: clamp(18px, 2.8dvh, 26px);
  font-weight: 900;
  line-height: 1.1;
  color: #ffffff;
  letter-spacing: 0.5px;
  transition: transform 0.15s ease;
}

.score-val.pop {
  animation: score-bump 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  color: #fbbf24;
  text-shadow: var(--score-glow);
}

@keyframes score-bump {
  0% { transform: scale(1); }
  50% { transform: scale(1.3); }
  100% { transform: scale(1); }
}

/* Streak / Combo Banner */
.combo-container {
  height: clamp(20px, 2.6dvh, 26px);
  margin-bottom: clamp(2px, 0.4dvh, 5px);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.combo-pill {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 2px 10px;
  border-radius: 16px;
  background: linear-gradient(90deg, #f43f5e, #fbbf24);
  color: #ffffff;
  font-weight: 800;
  font-size: clamp(11px, 1.4dvh, 13px);
  letter-spacing: 0.6px;
  box-shadow: 0 2px 12px rgba(244, 63, 94, 0.5);
  animation: combo-pulse 1s infinite alternate;
  opacity: 0;
  transform: translateY(6px) scale(0.9);
  transition: all 0.25s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.combo-pill.visible {
  opacity: 1;
  transform: translateY(0) scale(1);
}

@keyframes combo-pulse {
  0% { transform: scale(1); filter: drop-shadow(0 0 6px rgba(244, 63, 94, 0.5)); }
  100% { transform: scale(1.06); filter: drop-shadow(0 0 14px rgba(251, 191, 36, 0.8)); }
}

/* Board Outer Wrapper */
.board-wrapper {
  position: relative;
  width: min(calc(100vw - 20px), calc(100dvh - 275px), 400px);
  height: min(calc(100vw - 20px), calc(100dvh - 275px), 400px);
  max-width: 400px;
  max-height: 400px;
  aspect-ratio: 1 / 1;
  margin: 0 auto;
  border-radius: clamp(14px, 3vw, 20px);
  background: var(--board-bg);
  border: 2px solid var(--board-border);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.45), inset 0 1px 1px rgba(255, 255, 255, 0.1);
  padding: clamp(5px, 1.5vw, 9px);
  backdrop-filter: blur(16px);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

/* Screen Shake Animations */
.shake-sm {
  animation: shake 0.22s cubic-bezier(0.36, 0.07, 0.19, 0.97) both;
}
.shake-md {
  animation: shake-medium 0.32s cubic-bezier(0.36, 0.07, 0.19, 0.97) both;
}
.shake-lg {
  animation: shake-heavy 0.42s cubic-bezier(0.36, 0.07, 0.19, 0.97) both;
}

@keyframes shake {
  10%, 90% { transform: translate3d(-1px, 1px, 0); }
  20%, 80% { transform: translate3d(2px, -1px, 0); }
  30%, 50%, 70% { transform: translate3d(-3px, 2px, 0); }
  40%, 60% { transform: translate3d(3px, -2px, 0); }
}

@keyframes shake-medium {
  10%, 90% { transform: translate3d(-3px, 2px, 0) scale(0.99); }
  20%, 80% { transform: translate3d(4px, -3px, 0) scale(1.01); }
  30%, 50%, 70% { transform: translate3d(-5px, 4px, 0); }
  40%, 60% { transform: translate3d(5px, -4px, 0); }
}

@keyframes shake-heavy {
  10%, 90% { transform: translate3d(-5px, 4px, 0) scale(0.98); }
  20%, 80% { transform: translate3d(6px, -5px, 0) scale(1.02); }
  30%, 50%, 70% { transform: translate3d(-8px, 6px, 0); }
  40%, 60% { transform: translate3d(8px, -6px, 0); }
}

/* 8x8 Grid */
.board-grid {
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  grid-template-rows: repeat(8, 1fr);
  gap: clamp(3px, 1vw, 5px);
  width: 100%;
  height: 100%;
  position: relative;
  z-index: 2;
}

/* Canvas Particle Overlay */
#fx-canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 5;
  border-radius: 20px;
}

/* Board Cell */
.board-cell {
  background: var(--cell-empty-bg);
  border: 1px solid var(--cell-empty-border);
  box-shadow: var(--cell-empty-inset);
  border-radius: 8px;
  position: relative;
  transition: background-color 0.15s ease, border-color 0.15s ease, transform 0.1s ease;
  overflow: hidden;
}

/* Ghost Preview Cell */
.board-cell.ghost {
  border: 2px dashed rgba(255, 255, 255, 0.85);
  box-shadow: 0 0 14px rgba(255, 255, 255, 0.5);
  transform: scale(0.96);
  z-index: 3;
}

.board-cell.ghost.color-cyan { background: rgba(34, 211, 238, 0.35); border-color: #22d3ee; box-shadow: 0 0 12px rgba(34, 211, 238, 0.5); }
.board-cell.ghost.color-sky { background: rgba(56, 189, 248, 0.35); border-color: #38bdf8; box-shadow: 0 0 12px rgba(56, 189, 248, 0.5); }
.board-cell.ghost.color-blue { background: rgba(96, 165, 250, 0.35); border-color: #60a5fa; box-shadow: 0 0 12px rgba(96, 165, 250, 0.5); }
.board-cell.ghost.color-indigo { background: rgba(129, 140, 248, 0.35); border-color: #818cf8; box-shadow: 0 0 12px rgba(129, 140, 248, 0.5); }
.board-cell.ghost.color-amber { background: rgba(252, 211, 77, 0.35); border-color: #fcd34d; box-shadow: 0 0 12px rgba(252, 211, 77, 0.5); }
.board-cell.ghost.color-gold { background: rgba(253, 224, 71, 0.35); border-color: #fde047; box-shadow: 0 0 12px rgba(253, 224, 71, 0.5); }
.board-cell.ghost.color-orange { background: rgba(251, 146, 60, 0.35); border-color: #fb923c; box-shadow: 0 0 12px rgba(251, 146, 60, 0.5); }
.board-cell.ghost.color-lime { background: rgba(190, 242, 100, 0.35); border-color: #bef264; box-shadow: 0 0 12px rgba(190, 242, 100, 0.5); }
.board-cell.ghost.color-purple { background: rgba(192, 132, 252, 0.35); border-color: #c084fc; box-shadow: 0 0 12px rgba(192, 132, 252, 0.5); }
.board-cell.ghost.color-emerald { background: rgba(52, 211, 153, 0.35); border-color: #34d399; box-shadow: 0 0 12px rgba(52, 211, 153, 0.5); }
.board-cell.ghost.color-magenta { background: rgba(244, 114, 182, 0.35); border-color: #f472b6; box-shadow: 0 0 12px rgba(244, 114, 182, 0.5); }
.board-cell.ghost.color-green { background: rgba(74, 222, 128, 0.35); border-color: #4ade80; box-shadow: 0 0 12px rgba(74, 222, 128, 0.5); }
.board-cell.ghost.color-rose { background: rgba(251, 113, 133, 0.35); border-color: #fb7185; box-shadow: 0 0 12px rgba(251, 113, 133, 0.5); }
.board-cell.ghost.color-teal { background: rgba(45, 212, 191, 0.35); border-color: #2dd4bf; box-shadow: 0 0 12px rgba(45, 212, 191, 0.5); }
.board-cell.ghost.color-coral { background: rgba(255, 123, 123, 0.35); border-color: #ff7b7b; box-shadow: 0 0 12px rgba(255, 123, 123, 0.5); }

/* Highlight rows/cols that will be cleared if dropped */
.board-cell.will-clear {
  position: relative;
}

.board-cell.will-clear::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.45) 0%, rgba(251, 191, 36, 0.25) 100%);
  border-radius: 7px;
  animation: will-clear-pulse 0.6s infinite alternate;
  pointer-events: none;
}

@keyframes will-clear-pulse {
  0% { opacity: 0.3; transform: scale(0.95); }
  100% { opacity: 0.85; transform: scale(1.02); }
}

/* Filled Block Styles */
.block-tile {
  width: 100%;
  height: 100%;
  border-radius: 8px;
  position: relative;
  box-shadow: inset 0 2px 3px rgba(255, 255, 255, 0.45),
              inset 0 -2px 3px rgba(0, 0, 0, 0.35),
              0 2px 5px rgba(0, 0, 0, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  transform: scale(1);
  transition: transform 0.15s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.block-tile::after {
  content: '';
  position: absolute;
  top: 15%;
  left: 15%;
  width: 35%;
  height: 35%;
  border-radius: 4px;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.5) 0%, rgba(255, 255, 255, 0) 70%);
  pointer-events: none;
}

/* Placed Animation */
.block-tile.just-placed {
  animation: place-pop 0.25s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

@keyframes place-pop {
  0% { transform: scale(0.5); opacity: 0.6; }
  60% { transform: scale(1.15); }
  100% { transform: scale(1); opacity: 1; }
}

/* Line Clearing Animation */
.block-tile.clearing {
  animation: clear-shatter 0.28s cubic-bezier(0.1, 0.8, 0.2, 1) forwards;
  z-index: 10;
}

@keyframes clear-shatter {
  0% {
    transform: scale(1);
    filter: brightness(2) contrast(1.5);
    box-shadow: 0 0 20px #ffffff;
  }
  50% {
    transform: scale(1.25);
    filter: brightness(3);
    opacity: 0.9;
  }
  100% {
    transform: scale(0.1);
    opacity: 0;
  }
}

/* Color Palettes for Blocks */
.color-cyan { background: linear-gradient(135deg, #22d3ee 0%, #06b6d4 50%, #0891b2 100%); }
.color-sky { background: linear-gradient(135deg, #38bdf8 0%, #0284c7 100%); }
.color-blue { background: linear-gradient(135deg, #60a5fa 0%, #2563eb 100%); }
.color-indigo { background: linear-gradient(135deg, #818cf8 0%, #4f46e5 100%); }
.color-amber { background: linear-gradient(135deg, #fcd34d 0%, #d97706 100%); }
.color-gold { background: linear-gradient(135deg, #fde047 0%, #eab308 50%, #ca8a04 100%); }
.color-orange { background: linear-gradient(135deg, #fb923c 0%, #ea580c 100%); }
.color-lime { background: linear-gradient(135deg, #bef264 0%, #65a30d 100%); }
.color-purple { background: linear-gradient(135deg, #c084fc 0%, #9333ea 100%); }
.color-emerald { background: linear-gradient(135deg, #34d399 0%, #059669 100%); }
.color-magenta { background: linear-gradient(135deg, #f472b6 0%, #db2777 100%); }
.color-green { background: linear-gradient(135deg, #4ade80 0%, #16a34a 100%); }
.color-rose { background: linear-gradient(135deg, #fb7185 0%, #e11d48 100%); }
.color-teal { background: linear-gradient(135deg, #2dd4bf 0%, #0d9488 100%); }
.color-coral { background: linear-gradient(135deg, #ff7b7b 0%, #e04b4b 100%); }

/* Bomb Block Style (Arcade mode) */
.block-tile.bomb {
  position: relative;
  border: 2px solid #ef4444;
  box-shadow: 0 0 12px rgba(239, 68, 68, 0.7);
  animation: bomb-pulse 1.2s infinite alternate;
}

.bomb-counter {
  font-size: 15px;
  font-weight: 900;
  color: #ffffff;
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.9);
}

@keyframes bomb-pulse {
  0% { transform: scale(1); }
  100% { transform: scale(1.08); filter: drop-shadow(0 0 8px #ef4444); }
}

/* Bottom Controls / Power-up Bar */
.powerup-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(6px, 2vw, 12px);
  margin: clamp(3px, 0.6dvh, 6px) 0;
  flex-shrink: 0;
  width: 100%;
}

.powerup-btn {
  background: var(--card-bg);
  border: 1px solid var(--tray-border);
  border-radius: 10px;
  padding: clamp(4px, 0.7dvh, 6px) clamp(8px, 2vw, 12px);
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  transition: all 0.15s ease;
  font-size: clamp(11px, 1.5dvh, 13px);
  font-weight: 700;
  position: relative;
}

.powerup-btn:hover:not(:disabled) {
  transform: translateY(-2px);
  border-color: var(--accent-color);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
}

.powerup-btn:active:not(:disabled) {
  transform: translateY(1px);
}

.powerup-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.powerup-btn.active {
  border-color: #fbbf24;
  background: rgba(251, 191, 36, 0.2);
  box-shadow: 0 0 15px rgba(251, 191, 36, 0.4);
}

.powerup-badge {
  background: #fbbf24;
  color: #0c0f1e;
  border-radius: 8px;
  padding: 1px 5px;
  font-size: clamp(9px, 1.2dvh, 11px);
  font-weight: 900;
}

/* Piece Tray (Bottom Area) */
.piece-tray-wrapper {
  background: var(--tray-bg);
  border: 1px solid var(--tray-border);
  border-radius: clamp(14px, 3vw, 20px);
  padding: clamp(6px, 1dvh, 10px) clamp(8px, 2vw, 12px);
  width: 100%;
  height: clamp(82px, 13dvh, 115px);
  min-height: 80px;
  max-height: 120px;
  display: flex;
  align-items: center;
  justify-content: space-around;
  backdrop-filter: blur(12px);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
  position: relative;
  flex-shrink: 0;
  margin-top: auto;
}

.tray-slot {
  flex: 1;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  touch-action: none;
}

/* Tray Piece Item */
.tray-piece {
  display: inline-grid;
  gap: 2px;
  cursor: grab;
  padding: 4px;
  border-radius: 10px;
  transition: transform 0.2s cubic-bezier(0.175, 0.885, 0.32, 1.275), opacity 0.2s ease;
  touch-action: none;
}

.tray-piece:hover {
  transform: scale(1.05);
}

.tray-piece:active {
  cursor: grabbing;
}

.tray-piece.selected {
  outline: 2px solid #fbbf24;
  outline-offset: 3px;
  animation: select-bob 1.5s ease-in-out infinite;
}

@keyframes select-bob {
  0%, 100% { transform: translateY(0) scale(1.06); }
  50% { transform: translateY(-3px) scale(1.08); }
}

.tray-piece.rotated {
  animation: piece-rotate-pop 0.22s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

@keyframes piece-rotate-pop {
  0% { transform: scale(0.85) rotate(-35deg); opacity: 0.8; }
  60% { transform: scale(1.1) rotate(8deg); }
  100% { transform: scale(1) rotate(0deg); opacity: 1; }
}

.tray-piece.unplaceable {
  opacity: 0.35;
  filter: grayscale(60%);
  cursor: not-allowed;
}

.tray-cell {
  width: clamp(14px, 2.2dvh, 20px);
  height: clamp(14px, 2.2dvh, 20px);
  border-radius: 4px;
  box-shadow: inset 0 1px 2px rgba(255, 255, 255, 0.4), inset 0 -1px 2px rgba(0, 0, 0, 0.3);
}

@media (min-height: 750px) {
  .tray-cell {
    width: 23px;
    height: 23px;
    border-radius: 5px;
  }
}

.tray-cell.empty {
  visibility: hidden;
}

/* Dragging Avatar that follows pointer */
#drag-avatar {
  position: fixed;
  pointer-events: none;
  z-index: 1000;
  display: none;
  transform-origin: center center;
  filter: drop-shadow(0 14px 28px rgba(0, 0, 0, 0.65));
}

#drag-avatar .tray-piece {
  gap: 5px;
}

#drag-avatar .tray-cell {
  width: 42px;
  height: 42px;
  border-radius: 8px;
}

@media (max-width: 380px) {
  #drag-avatar .tray-cell {
    width: 36px;
    height: 36px;
    border-radius: 7px;
  }
}

/* Modals (Game Over, Stats, Rules, Settings) */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(4, 6, 15, 0.82);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  padding: 20px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-card {
  background: #151b35;
  border: 1px solid var(--board-border);
  border-radius: 24px;
  padding: 28px 24px;
  width: 100%;
  max-width: 380px;
  box-shadow: 0 20px 45px rgba(0, 0, 0, 0.6);
  text-align: center;
  transform: translateY(20px) scale(0.95);
  transition: transform 0.25s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

[data-theme="woodoku"] .modal-card { background: #2c1a11; }
[data-theme="gem"] .modal-card { background: #180f3d; }
[data-theme="candy"] .modal-card { background: #28123d; }

.modal-overlay.active .modal-card {
  transform: translateY(0) scale(1);
}

.modal-icon {
  font-size: 48px;
  margin-bottom: 8px;
}

.modal-title {
  font-size: 26px;
  font-weight: 900;
  margin-bottom: 6px;
  color: #ffffff;
}

.modal-subtitle {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 20px;
}

/* Game Over Stats Grid */
.gameover-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 22px;
}

.stat-item {
  background: rgba(255, 255, 255, 0.05);
  border-radius: 14px;
  padding: 10px;
  display: flex;
  flex-direction: column;
}

.stat-item .val {
  font-size: 24px;
  font-weight: 800;
  color: #fbbf24;
}

.stat-item .lbl {
  font-size: 11px;
  text-transform: uppercase;
  color: var(--text-muted);
  font-weight: 700;
}

/* Primary Modal Buttons */
.btn-primary {
  width: 100%;
  background: linear-gradient(135deg, #6366f1 0%, #4f46e5 100%);
  border: none;
  border-radius: 16px;
  color: #ffffff;
  padding: 14px 20px;
  font-size: 16px;
  font-weight: 800;
  letter-spacing: 0.5px;
  cursor: pointer;
  box-shadow: 0 4px 18px rgba(99, 102, 241, 0.45);
  transition: all 0.15s ease;
  margin-bottom: 10px;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(99, 102, 241, 0.6);
}

.btn-primary:active {
  transform: translateY(1px);
}

.btn-secondary {
  width: 100%;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--tray-border);
  border-radius: 16px;
  color: var(--text-main);
  padding: 12px 18px;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.15s ease;
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.14);
}

/* Theme Selector Options */
.theme-options {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin: 16px 0 20px 0;
}

.theme-pill-btn {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--tray-border);
  border-radius: 12px;
  padding: 10px 8px;
  color: var(--text-main);
  font-weight: 700;
  font-size: 13px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  transition: all 0.15s ease;
}

.theme-pill-btn.active {
  border-color: #fbbf24;
  background: rgba(251, 191, 36, 0.15);
  box-shadow: 0 0 12px rgba(251, 191, 36, 0.3);
}

/* Instructions list */
.rules-list {
  text-align: left;
  font-size: 13px;
  line-height: 1.6;
  color: var(--text-muted);
  margin-bottom: 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.rules-list li {
  list-style-type: none;
  display: flex;
  gap: 8px;
  align-items: flex-start;
}

.rules-list .icon {
  font-size: 16px;
}

/* Sound volume slider row */
.slider-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin: 12px 0 18px 0;
}

.slider-row input[type="range"] {
  flex: 1;
  accent-color: #6366f1;
}

/* Extra compact mode for smaller mobile phone screens */
@media (max-height: 640px) {
  .combo-container {
    height: 18px;
    margin-bottom: 2px;
  }
  .combo-pill {
    font-size: 10px;
    padding: 1px 8px;
  }
  .score-val {
    font-size: 18px;
  }
  .board-wrapper {
    width: min(calc(100vw - 16px), calc(100dvh - 245px), 360px);
    height: min(calc(100vw - 16px), calc(100dvh - 245px), 360px);
  }
  .piece-tray-wrapper {
    height: 80px;
    min-height: 75px;
    padding: 4px 8px;
  }
  .tray-cell {
    width: 14px;
    height: 14px;
  }
}