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

  :root {
    --red:    #e03040;
    --green:  #22c55e;
    --yellow: #f59e0b;
    --blue:   #3b82f6;
    --red-l:    #ff6677;
    --green-l:  #4ade80;
    --yellow-l: #fcd34d;
    --blue-l:   #60a5fa;
    --red-d:    #991b2b;
    --green-d:  #15803d;
    --yellow-d: #b45309;
    --blue-d:   #1d4ed8;
    --gold:   #f0c040;
    --bg:     #0f0f1a;
    --panel:  #1a1a2e;
  }

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

  body {
    background: var(--bg);
    display: flex; align-items: center; justify-content: center;
    min-height: 100vh;
    font-family: 'Rajdhani', sans-serif;
    overflow: hidden;
    user-select: none;
  }

  /* ======= PRELOADER ======= */
  #preloader {
    position: fixed; inset: 0;
    background: radial-gradient(ellipse at center, #16213e 0%, #0a0a16 100%);
    display: flex; flex-direction: column;
    align-items: center; justify-content: center;
    z-index: 9999;
    transition: opacity 0.8s ease;
  }
  #preloader.fade-out { opacity: 0; pointer-events: none; }

  .pre-logo {
    font-family: 'Orbitron', sans-serif;
    font-size: 3.5rem; font-weight: 900;
    background: linear-gradient(135deg, var(--gold), #fff8dc, var(--gold));
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    text-shadow: none;
    letter-spacing: 6px;
    animation: pulseGlow 2s infinite;
  }
  .pre-sub {
    font-size: 1rem; letter-spacing: 8px;
    color: rgba(255,255,255,0.5); margin-top: 8px;
    text-transform: uppercase;
  }

  .dice-loader {
    width: 80px; height: 80px;
    margin: 40px auto;
    position: relative;
    transform-style: preserve-3d;
    animation: spinDice 1.5s linear infinite;
  }
  .dice-face {
    position: absolute; width: 80px; height: 80px;
    border-radius: 12px;
    display: flex; align-items: center; justify-content: center;
    font-size: 2rem;
    border: 2px solid rgba(240,192,64,0.5);
  }
  .df-front  { background: rgba(240,192,64,0.2); transform: translateZ(40px); }
  .df-back   { background: rgba(240,192,64,0.2); transform: rotateY(180deg) translateZ(40px); }
  .df-right  { background: rgba(240,192,64,0.2); transform: rotateY(90deg) translateZ(40px); }
  .df-left   { background: rgba(240,192,64,0.2); transform: rotateY(-90deg) translateZ(40px); }
  .df-top    { background: rgba(240,192,64,0.2); transform: rotateX(90deg) translateZ(40px); }
  .df-bottom { background: rgba(240,192,64,0.2); transform: rotateX(-90deg) translateZ(40px); }

  .pre-bar-wrap {
    width: 300px; height: 6px;
    background: rgba(255,255,255,0.1);
    border-radius: 3px; overflow: hidden;
    margin-bottom: 16px;
  }
  .pre-bar {
    height: 100%; width: 0%;
    background: linear-gradient(90deg, var(--gold), #fff);
    border-radius: 3px;
    transition: width 0.3s ease;
  }
  .pre-status { color: rgba(255,255,255,0.5); font-size: 0.85rem; letter-spacing: 2px; }

  @keyframes spinDice {
    0%   { transform: rotateX(0deg) rotateY(0deg); }
    100% { transform: rotateX(360deg) rotateY(360deg); }
  }
  @keyframes pulseGlow {
    0%, 100% { filter: brightness(1); }
    50%       { filter: brightness(1.4); }
  }

  /* ======= STARS BG ======= */
  #stars-canvas {
    position: fixed; inset: 0; z-index: 0;
    pointer-events: none;
  }

  /* ======= MAIN GAME WRAPPER ======= */
  #game-wrap {
    display: none;
    flex-direction: row;
    align-items: center;
    justify-content: center;
    gap: 24px;
    z-index: 1;
    padding: 16px;
  }
  #game-wrap.visible { display: flex; }

  /* ======= LEFT PANEL ======= */
  .side-panel {
    width: 200px;
    display: flex; flex-direction: column; gap: 16px;
  }

  .panel-card {
    background: linear-gradient(145deg, #1e2040, #161628);
    border: 1px solid rgba(240,192,64,0.2);
    border-radius: 16px;
    padding: 16px;
    box-shadow:
      0 8px 32px rgba(0,0,0,0.5),
      inset 0 1px 0 rgba(255,255,255,0.05);
  }

  .panel-title {
    font-family: 'Orbitron', sans-serif;
    font-size: 0.65rem; letter-spacing: 3px;
    color: var(--gold); margin-bottom: 12px;
    text-transform: uppercase;
  }

  /* Players info */
  .player-info {
    display: flex; flex-direction: column; gap: 8px;
  }
  .pi-row {
    display: flex; align-items: center; gap: 8px;
    padding: 8px 10px; border-radius: 10px;
    border: 1px solid transparent;
    transition: all 0.3s;
    position: relative; overflow: hidden;
  }
  .pi-row.active-player {
    border-color: rgba(240,192,64,0.5);
    background: rgba(240,192,64,0.08);
  }
  .pi-row.active-player::before {
    content: '';
    position: absolute; left: 0; top: 0; bottom: 0; width: 3px;
    background: var(--gold);
    box-shadow: 0 0 8px var(--gold);
  }
  .pi-dot {
    width: 12px; height: 12px; border-radius: 50%;
    flex-shrink: 0;
    box-shadow: 0 0 6px currentColor;
  }
  .pi-name { font-size: 0.9rem; font-weight: 600; color: #fff; flex: 1; }
  .pi-pieces { font-size: 0.75rem; color: rgba(255,255,255,0.4); }
  .pi-score {
    font-family: 'Orbitron', sans-serif;
    font-size: 0.8rem; color: var(--gold);
  }

  /* Dice - REAL 3D CUBE WITH PIPS */
  .dice-area {
    display: flex; flex-direction: column; align-items: center; gap: 14px;
  }
  .dice-3d-wrap {
    perspective: 500px;
    width: 64px; height: 64px;
    margin: 10px 0;
  }
  #dice-cube {
    width: 64px; height: 64px;
    position: relative;
    transform-style: preserve-3d;
    cursor: pointer;
    transition: transform 0.15s;
    /* default resting orientation shows face 1 (front) */
    transform: rotateX(-15deg) rotateY(25deg);
  }
  .dice-3d-wrap:hover #dice-cube { transform: rotateX(-15deg) rotateY(25deg) scale(1.06); }
  #dice-cube.rolling {
    animation: rollDiceCube 0.9s cubic-bezier(0.34, 1.2, 0.64, 1);
  }
  .d-face {
    position: absolute;
    width: 64px; height: 64px;
    background: linear-gradient(150deg, #ffffff 0%, #f0f0f0 55%, #d8d8d8 100%);
    border: 1px solid rgba(0,0,0,0.15);
    border-radius: 10px;
    box-shadow: inset 0 0 0 1px rgba(255,255,255,0.6), inset 0 -6px 10px rgba(0,0,0,0.08);
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    grid-template-rows: 1fr 1fr 1fr;
    padding: 9px;
    gap: 2px;
  }
  .pip {
    width: 9px; height: 9px;
    border-radius: 50%;
    justify-self: center; align-self: center;
    background: radial-gradient(circle at 35% 30%, #6a1018, #b3192a 55%, #7a1019);
    box-shadow: 0 1px 2px rgba(0,0,0,0.5), inset 0 1px 1px rgba(255,255,255,0.3);
  }
  /* 3x3 grid position helpers */
  .p-tl{grid-area:1/1;} .p-tc{grid-area:1/2;} .p-tr{grid-area:1/3;}
  .p-ml{grid-area:2/1;} .p-mc{grid-area:2/2;} .p-mr{grid-area:2/3;}
  .p-bl{grid-area:3/1;} .p-bc{grid-area:3/2;} .p-br{grid-area:3/3;}

  .d-front  { transform: translateZ(32px); }
  .d-back   { transform: rotateY(180deg) translateZ(32px); }
  .d-right  { transform: rotateY(90deg) translateZ(32px); }
  .d-left   { transform: rotateY(-90deg) translateZ(32px); }
  .d-top    { transform: rotateX(90deg) translateZ(32px); }
  .d-bottom { transform: rotateX(-90deg) translateZ(32px); }

  @keyframes rollDiceCube {
    0%   { transform: rotateX(-15deg) rotateY(25deg) scale(1); }
    15%  { transform: rotateX(180deg) rotateY(120deg) scale(1.1); }
    35%  { transform: rotateX(380deg) rotateY(260deg) scale(0.95); }
    55%  { transform: rotateX(560deg) rotateY(420deg) scale(1.08); }
    75%  { transform: rotateX(700deg) rotateY(580deg) scale(0.97); }
    100% { transform: rotateX(var(--final-x, 800deg)) rotateY(var(--final-y, 720deg)) scale(1); }
  }

  #roll-btn {
    padding: 10px 24px;
    background: linear-gradient(145deg, var(--gold), #d4a017);
    border: none; border-radius: 10px;
    font-family: 'Orbitron', sans-serif;
    font-size: 0.7rem; letter-spacing: 2px;
    color: #1a1000; font-weight: 700;
    cursor: pointer;
    box-shadow: 0 4px 0 #8b6914, 0 6px 12px rgba(0,0,0,0.4);
    transition: all 0.15s;
    text-transform: uppercase;
  }
  #roll-btn:hover  { transform: translateY(-2px); box-shadow: 0 6px 0 #8b6914, 0 8px 16px rgba(0,0,0,0.4); }
  #roll-btn:active { transform: translateY(2px); box-shadow: 0 2px 0 #8b6914, 0 4px 8px rgba(0,0,0,0.4); }
  #roll-btn:disabled { opacity: 0.5; cursor: default; transform: none; }

  #msg-box {
    text-align: center;
    font-size: 0.8rem; color: rgba(255,255,255,0.6);
    min-height: 36px; line-height: 1.4;
    padding: 0 4px;
  }
  #msg-box span { color: var(--gold); font-weight: 700; }

  /* ======= BOARD CANVAS ======= */
  #board-canvas {
    display:block;

    width:min(92vw,92vh,720px);
    height:min(92vw,92vh,720px);

    aspect-ratio:1/1;

    max-width:720px;
    max-height:720px;

    border-radius:18px;

    box-shadow:
        0 0 0 2px rgba(240,192,64,.30),
        0 20px 60px rgba(0,0,0,.45);

    touch-action:manipulation;
  }

  /* ======= RIGHT PANEL ======= */
  .log-area {
    max-height: 320px; overflow-y: auto;
    display: flex; flex-direction: column; gap: 6px;
  }
  .log-area::-webkit-scrollbar { width: 4px; }
  .log-area::-webkit-scrollbar-thumb { background: rgba(240,192,64,0.3); border-radius: 2px; }

  .log-item {
    font-size: 0.78rem; color: rgba(255,255,255,0.5);
    padding: 5px 8px; border-radius: 6px;
    background: rgba(255,255,255,0.03);
    border-left: 2px solid transparent;
    line-height: 1.4;
  }
  .log-item.log-r { border-color: var(--red); }
  .log-item.log-g { border-color: var(--green); }
  .log-item.log-y { border-color: var(--yellow); }
  .log-item.log-b { border-color: var(--blue); }

  /* Stats */
  .stat-grid {
    display: grid; grid-template-columns: 1fr 1fr; gap: 8px;
  }
  .stat-item {
    text-align: center; padding: 10px 6px;
    background: rgba(255,255,255,0.03); border-radius: 10px;
  }
  .stat-val {
    font-family: 'Orbitron', sans-serif;
    font-size: 1.1rem; color: var(--gold); font-weight: 700;
  }
  .stat-lbl {
    font-size: 0.65rem; color: rgba(255,255,255,0.4);
    letter-spacing: 1px; text-transform: uppercase; margin-top: 2px;
  }

  /* ======= WIN MODAL ======= */
  #win-modal {
    display: none; position: fixed; inset: 0;
    background: rgba(0,0,0,0.85);
    z-index: 999;
    align-items: center; justify-content: center;
  }
  #win-modal.show { display: flex; }

  .win-card {
    background: linear-gradient(145deg, #1e2040, #161628);
    border: 2px solid rgba(240,192,64,0.5);
    border-radius: 24px;
    padding: 48px;
    text-align: center;
    box-shadow: 0 0 60px rgba(240,192,64,0.2);
    animation: popIn 0.5s cubic-bezier(0.34,1.56,0.64,1);
  }
  @keyframes popIn {
    0% { transform: scale(0.5); opacity: 0; }
    100% { transform: scale(1); opacity: 1; }
  }
  .win-crown { font-size: 5rem; animation: bounce 1s infinite; }
  @keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-12px); }
  }
  .win-title {
    font-family: 'Orbitron', sans-serif;
    font-size: 2rem; font-weight: 900;
    background: linear-gradient(135deg, var(--gold), #fff, var(--gold));
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    margin: 16px 0 8px;
  }
  .win-sub { color: rgba(255,255,255,0.6); font-size: 1.1rem; margin-bottom: 32px; }
  .win-btn {
    padding: 14px 40px;
    background: linear-gradient(145deg, var(--gold), #d4a017);
    border: none; border-radius: 12px;
    font-family: 'Orbitron', sans-serif;
    font-size: 0.85rem; letter-spacing: 3px;
    color: #1a1000; font-weight: 700;
    cursor: pointer;
    box-shadow: 0 4px 0 #8b6914;
    transition: all 0.15s;
  }
  .win-btn:hover { transform: translateY(-2px); }

  #confetti-canvas {
    position: fixed; inset: 0; z-index: 998; pointer-events: none;
  }

  /* ======= PARTICLE CANVAS ======= */
  #particle-canvas {
    position: fixed; inset: 0; z-index: 2; pointer-events: none;
  }

  @media (max-width: 900px) {
    #game-wrap {
      flex-direction: column;
      width: 100%;
      padding: 12px;
      gap: 16px;
    }
    .side-panel {
      width: 100%;
      max-width: 540px;
      flex-direction: row;
      flex-wrap: wrap;
    }
    .panel-card { flex: 1; min-width: 100px; }
    #board-canvas {
      width: 100%;
      max-width: 540px;
      height: auto;
    }
    .ms-options { max-width: 100%; }
    .ms-card { width: 140px; padding: 16px 12px; }
  }

  @media (max-width: 480px) {
    body { align-items: flex-start; }
    #game-wrap { padding: 8px; gap: 12px; }
    .side-panel { gap: 10px; }
    .panel-card { padding: 12px; min-width: 130px; }
    #board-canvas { max-width: 96vw; border-radius: 12px; }
    .dice-3d-wrap { width: 56px; height: 56px; }
    #dice-cube { width: 56px; height: 56px; }
    .d-face { width: 56px; height: 56px; padding: 7px; }
    .d-front  { transform: translateZ(28px); }
    .d-back   { transform: rotateY(180deg) translateZ(28px); }
    .d-right  { transform: rotateY(90deg) translateZ(28px); }
    .d-left   { transform: rotateY(-90deg) translateZ(28px); }
    .d-top    { transform: rotateX(90deg) translateZ(28px); }
    .d-bottom { transform: rotateX(-90deg) translateZ(28px); }
    #roll-btn { padding: 12px 28px; font-size: 0.8rem; }
    .pi-name { font-size: 0.85rem; }
    .ms-logo { font-size: 1.9rem; letter-spacing: 3px; }
    .ms-card { width: 130px; }
    #back-to-menu-btn { top: 8px; left: 8px; padding: 6px 12px; font-size: 0.8rem; }
    .stat-grid { gap: 6px; }
    .log-area { max-height: 200px; }
  }

  /* ======= MODE SELECT SCREEN ======= */
  #mode-select {
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 5;
    padding: 24px;
    text-align: center;
  }
  #mode-select.visible { display: flex; }

  .ms-logo {
    font-family: 'Orbitron', sans-serif;
    font-size: 2.6rem; font-weight: 900;
    background: linear-gradient(135deg, var(--gold), #fff8dc, var(--gold));
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    letter-spacing: 5px; margin-bottom: 4px;
  }
  .ms-sub {
    font-size: 0.9rem; letter-spacing: 4px; color: rgba(255,255,255,0.45);
    text-transform: uppercase; margin-bottom: 40px;
  }
  .ms-section-label {
    font-family: 'Orbitron', sans-serif;
    font-size: 0.65rem; letter-spacing: 3px; color: var(--gold);
    text-transform: uppercase; margin: 20px 0 14px;
  }
  .ms-options {
    display: flex; gap: 16px; flex-wrap: wrap; justify-content: center;
    max-width: 640px;
  }
  .ms-card {
    width: 180px;
    background: linear-gradient(145deg, #1e2040, #161628);
    border: 1px solid rgba(240,192,64,0.2);
    border-radius: 16px;
    padding: 22px 16px;
    cursor: pointer;
    transition: all 0.2s;
    box-shadow: 0 8px 24px rgba(0,0,0,0.4), inset 0 1px 0 rgba(255,255,255,0.05);
  }
  .ms-card:hover {
    transform: translateY(-4px);
    border-color: rgba(240,192,64,0.6);
    box-shadow: 0 12px 32px rgba(0,0,0,0.5), 0 0 24px rgba(240,192,64,0.15);
  }
  .ms-card.selected {
    border-color: var(--gold);
    background: linear-gradient(145deg, #2a2845, #1e1c38);
    box-shadow: 0 0 0 2px rgba(240,192,64,0.4), 0 12px 32px rgba(0,0,0,0.5);
  }
  .ms-card-icon { font-size: 2.2rem; margin-bottom: 10px; }
  .ms-card-title {
    font-family: 'Orbitron', sans-serif; font-size: 0.85rem;
    color: #fff; font-weight: 700; letter-spacing: 1px; margin-bottom: 6px;
  }
  .ms-card-desc { font-size: 0.78rem; color: rgba(255,255,255,0.45); line-height: 1.4; }

  #ms-start-btn {
    margin-top: 36px;
    padding: 14px 48px;
    background: linear-gradient(145deg, var(--gold), #d4a017);
    border: none; border-radius: 12px;
    font-family: 'Orbitron', sans-serif;
    font-size: 0.85rem; letter-spacing: 3px;
    color: #1a1000; font-weight: 700;
    cursor: pointer;
    box-shadow: 0 4px 0 #8b6914, 0 6px 16px rgba(0,0,0,0.4);
    transition: all 0.15s;
    text-transform: uppercase;
  }
  #ms-start-btn:hover { transform: translateY(-2px); }
  #ms-start-btn:disabled { opacity: 0.4; cursor: default; transform: none; }

  /* AI badge on player rows */
  .pi-ai-badge {
    font-size: 0.6rem; font-family: 'Orbitron', sans-serif;
    color: #0a0a16; background: var(--gold);
    padding: 2px 6px; border-radius: 6px; letter-spacing: 0.5px;
    flex-shrink: 0;
  }
  .pi-thinking {
    font-size: 0.65rem; color: var(--gold); font-style: italic;
    animation: thinkPulse 1s infinite;
  }
  @keyframes thinkPulse {
    0%, 100% { opacity: 0.4; } 50% { opacity: 1; }
  }

  #back-to-menu-btn {
    position: fixed; top: 16px; left: 16px; z-index: 10;
    padding: 8px 16px;
    background: rgba(26,26,46,0.8);
    border: 1px solid rgba(240,192,64,0.3);
    border-radius: 8px;
    color: rgba(255,255,255,0.7);
    font-family: 'Rajdhani', sans-serif; font-size: 0.85rem; font-weight: 600;
    cursor: pointer; display: none;
    backdrop-filter: blur(4px);
  }
  #back-to-menu-btn.visible { display: block; }
  #back-to-menu-btn:hover { border-color: var(--gold); color: #fff; }