:root{
    --cream:#FFF6E9;
    --crust:#7A4A26;
    --crust-dark:#4A2C14;
    --cheese:#FFC93C;
    --sauce:#FF7A3D;
    --sauce-dark:#E85A2A;
    --leaf:#4C9A2A;
    --white:#FFFFFF;
    --shadow: 0 6px 0 rgba(0,0,0,0.15);
  }
  *{box-sizing:border-box; -webkit-tap-highlight-color: transparent; user-select:none;}
  html,body{margin:0;padding:0;height:100%;background:var(--crust-dark);overflow:hidden;
    font-family:'Nunito',sans-serif;}
  #app{
    position:relative; width:100%; height:100%; max-width:520px; margin:0 auto;
    background: radial-gradient(circle at 50% -10%, #FFEFD1 0%, var(--cream) 55%);
    overflow:hidden; display:flex; flex-direction:column;
  }
  .screen{position:absolute; inset:0; display:none; flex-direction:column; align-items:center; justify-content:center;}
  .screen.active{display:flex;}
  h1,h2,h3{font-family:'Baloo 2',cursive; margin:0;}

  /* ---------- TITLE ---------- */
  #screen-title{ padding:24px; text-align:center; gap:14px; }
  .ad-banner{
    position:absolute; top:10px; left:10px; right:10px; height:48px;
    border:none; border-radius:12px; display:flex; align-items:center; gap:8px;
    padding:0 12px; text-decoration:none; overflow:hidden; box-shadow:0 3px 10px rgba(0,0,0,.25);
    transition: background 1s ease;
  }
  .ad-tag{
    font-size:9px; font-weight:800; color:#2a1f14; background:#FFC93C; border-radius:5px;
    padding:2px 5px; letter-spacing:.05em; flex:0 0 auto;
  }
  .ad-icon{ font-size:20px; flex:0 0 auto; filter:drop-shadow(0 1px 1px rgba(0,0,0,.3)); }
  .ad-text{
    font-size:11.5px; font-weight:700; color:#fff; white-space:nowrap; overflow:hidden;
    text-overflow:ellipsis; animation: adFadeIn .4s ease; text-shadow:0 1px 2px rgba(0,0,0,.4);
  }
  .ad-text strong{ font-family:'Baloo 2',cursive; font-weight:700; margin-right:2px; }
  .ad-sep{ opacity:.6; margin:0 4px; }
  @keyframes adFadeIn{ from{ opacity:0; transform:translateY(4px);} to{ opacity:1; transform:translateY(0);} }
  .logo-wrap{ margin-top:36px; }
  .pizza-badge{
    width:150px; height:150px; border-radius:50%;
    background: radial-gradient(circle at 35% 30%, var(--cheese), var(--sauce) 70%, var(--sauce-dark) 100%);
    border:6px solid var(--crust);
    display:flex; align-items:center; justify-content:center; font-size:64px;
    box-shadow: var(--shadow); margin:0 auto 6px;
    animation: spin 14s linear infinite;
  }
  @keyframes spin{ from{transform:rotate(0)} to{transform:rotate(360deg)} }
  .pizza-badge span{ display:inline-block; animation: counterspin 14s linear infinite; }
  @keyframes counterspin{ from{transform:rotate(0)} to{transform:rotate(-360deg)} }
  #screen-title h1{
    font-size:30px; color:var(--crust); line-height:1.15;
    text-shadow: 2px 2px 0 var(--white);
  }
  #screen-title h1 .circ{ color:var(--sauce-dark); }
  .tagline{ font-weight:800; color:var(--crust); opacity:.75; font-size:13px; letter-spacing:.03em;}
  .btn{
    font-family:'Baloo 2',cursive; border:none; cursor:pointer; border-radius:999px;
    padding:14px 40px; font-size:20px; font-weight:700; color:white;
    background: var(--sauce); box-shadow: var(--shadow);
    transition: transform .08s;
  }
  .btn:active{ transform: translateY(4px); box-shadow:0 2px 0 rgba(0,0,0,.15); }
  .btn.secondary{ background:var(--crust); font-size:15px; padding:10px 24px;}
  .social-row{ display:flex; gap:10px; margin-top:6px; }
  .social-pill{
    font-family:'Baloo 2',cursive; font-size:12px; font-weight:700; color:var(--crust);
    background:var(--white); border:2px solid var(--crust); border-radius:999px; padding:6px 14px;
    text-decoration:none;
  }
  .save-hint{ font-size:11px; color:#a07a4a; margin-top:2px; font-weight:700;}

  /* ---------- STAGE SELECT ---------- */
  #screen-select{ padding-top:56px; }
  .select-header{ text-align:center; margin-bottom:8px; }
  .select-header h2{ color:var(--crust); font-size:22px; }
  .select-scroll{
    width:100%; flex:1; overflow-x:auto; overflow-y:hidden; display:flex; align-items:center;
    gap:14px; padding:10px 24px 30px; scroll-snap-type:x mandatory;
  }
  .stage-card{
    scroll-snap-align:center; flex:0 0 auto; width:118px; height:150px; border-radius:20px;
    background:var(--white); border:4px solid var(--crust); box-shadow:var(--shadow);
    display:flex; flex-direction:column; align-items:center; justify-content:center; gap:6px;
    cursor:pointer; position:relative; transition: transform .12s ease, box-shadow .12s ease;
  }
  .stage-card:not(.locked):active{ transform: translateY(4px) scale(.97); box-shadow:0 2px 0 rgba(0,0,0,.15); }
  .stage-card.locked{ background:#e5ddc9; opacity:.7; cursor:default; }
  .stage-num{ font-family:'Baloo 2',cursive; font-size:26px; color:var(--sauce-dark); }
  .stage-card.locked .stage-num{ color:#8a8270; }
  .stage-name{ font-size:11px; font-weight:800; color:var(--crust); text-align:center; padding:0 6px;}
  .stage-stars{ font-size:13px; letter-spacing:1px; }
  .stage-hidden-mark{ position:absolute; top:6px; right:8px; font-size:14px; animation: hiddenPulse 1.4s ease-in-out infinite; }
  .lockicon{ font-size:26px; }
  .select-footer{ display:flex; gap:10px; margin-top:6px; }

  /* ---------- AD INTERSTITIAL ---------- */
  #screen-ad{ padding:24px; }
  .ad-interstitial-card{
    background:linear-gradient(160deg,#3B2A6B,#2a1f14);
    border:none; border-radius:26px; padding:30px 26px;
    text-align:center; width:84%; max-width:320px; box-shadow:0 12px 30px rgba(0,0,0,.4);
    animation: popIn .38s cubic-bezier(.34,1.56,.64,1); transition: background .3s ease;
  }
  .ad-tag-lg{ display:inline-block; font-size:11px; padding:3px 10px; margin-bottom:6px; }
  .ad-int-icon{ font-size:52px; margin:6px 0 4px; filter:drop-shadow(0 3px 6px rgba(0,0,0,.4)); animation: titlePop .5s ease .1s both; }
  .ad-int-title{ font-family:'Baloo 2',cursive; font-size:23px; color:#fff; margin-bottom:8px; text-shadow:0 2px 4px rgba(0,0,0,.35); }
  .ad-int-tagline{ font-size:13px; color:#fdeecb; font-weight:700; margin-bottom:20px; line-height:1.5; }
  #screen-ad .btn{ width:100%; margin-bottom:8px; }
  #screen-ad .btn.secondary{ background:rgba(255,255,255,.15); border:2px solid rgba(255,255,255,.3); color:#fff; }

  /* ---------- ACHIEVEMENTS ---------- */
  #screen-achievements{ padding-top:50px; }
  .ach-progress{ font-size:12px; font-weight:800; color:#a07a4a; margin-top:2px; }
  .ach-list{ width:88%; max-width:420px; flex:1; overflow-y:auto; padding:8px 0 20px; }
  .ach-item{
    display:flex; align-items:center; gap:10px; background:var(--white); border:3px solid var(--crust);
    border-radius:14px; padding:10px 12px; margin-bottom:8px; animation: adFadeIn .3s ease;
  }
  .ach-item.found{ background:#eaf7e2; border-color:var(--leaf); box-shadow:0 0 0 rgba(76,154,42,0); animation: achShine 2.4s ease-in-out infinite; }
  @keyframes achShine{ 0%,100%{ box-shadow:0 0 0 rgba(76,154,42,0);} 50%{ box-shadow:0 0 12px rgba(76,154,42,.35);} }
  .ach-icon{ font-size:22px; width:30px; text-align:center; }
  .ach-body{ flex:1; }
  .ach-name{ font-family:'Baloo 2',cursive; font-size:14px; color:var(--crust); }
  .ach-desc{ font-size:11px; color:#8a6b3f; font-weight:700; margin-top:2px; }

  /* ---------- GAME ---------- */
  #screen-game{ }
  .topbar{
    width:100%; display:flex; align-items:center; justify-content:space-between;
    padding:8px 12px; gap:8px;
  }
  .topbar .iconbtn{
    background:var(--white); border:3px solid var(--crust); border-radius:12px; width:38px; height:38px;
    display:flex; align-items:center; justify-content:center; font-size:16px; cursor:pointer;
  }
  .stagelabel{ font-family:'Baloo 2',cursive; color:var(--crust); font-size:15px; text-align:center; flex:1;}
  .hint{
    font-size:12px; font-weight:700; color:#8a6b3f; text-align:center; min-height:16px; padding:0 12px;
  }
  #gameCanvas{
    background: linear-gradient(#EAF6FF,#DCEFFF);
    border:4px solid var(--crust); border-radius:16px; touch-action:none; display:block;
  }
  .canvas-wrap{ position:relative; }
  .powerbar-wrap{
    position:absolute; left:10px; bottom:10px; width:22px; height:calc(100% - 20px);
    background:rgba(255,255,255,.6); border:3px solid var(--crust); border-radius:12px; overflow:hidden; display:none;
  }
  .powerbar-wrap.show{ display:block; }
  .powerbar-fill{
    position:absolute; bottom:0; left:0; width:100%; background:linear-gradient(#FFD166,#FF7A3D);
  }
  .powerbar-redzone{ position:absolute; left:0; width:100%; height:14%; background:rgba(232,90,42,.35); }

  /* ---------- CLEAR OVERLAY ---------- */
  #clearOverlay{
    position:absolute; inset:0; background:rgba(74,44,20,.55); display:none;
    align-items:center; justify-content:center; z-index:20; overflow:hidden;
  }
  #clearOverlay.show{ display:flex; }
  .clear-card{
    background:var(--white); border:5px solid var(--crust); border-radius:22px; padding:22px 26px;
    text-align:center; width:82%; max-width:320px; box-shadow:var(--shadow);
    animation: popIn .38s cubic-bezier(.34,1.56,.64,1); position:relative; z-index:2;
  }
  @keyframes popIn{ 0%{ transform:scale(.5) rotate(-6deg); opacity:0; } 70%{ transform:scale(1.06) rotate(1deg); opacity:1; } 100%{ transform:scale(1) rotate(0); } }
  .clear-card h2{ color:var(--sauce-dark); font-size:26px; animation: titlePop .5s ease .1s both; }
  @keyframes titlePop{ from{ transform:scale(0); } to{ transform:scale(1); } }
  .clear-stars{ font-size:30px; margin:8px 0; letter-spacing:2px; }
  .clear-time{ font-weight:800; color:var(--crust); font-size:13px; }
  .hidden-badge{
    margin-top:6px; font-size:12px; font-weight:800; color:var(--leaf);
    background:#eaf7e2; border:2px dashed var(--leaf); border-radius:10px; padding:6px;
    animation: hiddenPulse 1.1s ease-in-out infinite;
  }
  @keyframes hiddenPulse{ 0%,100%{ box-shadow:0 0 0 rgba(76,154,42,.4);} 50%{ box-shadow:0 0 14px rgba(76,154,42,.5);} }
  .clear-btns{ display:flex; gap:8px; margin-top:14px; justify-content:center; flex-wrap:wrap;}
  .clear-btns .btn{ padding:10px 18px; font-size:14px; }
  .confetti{ position:absolute; top:-20px; font-size:20px; z-index:1; animation: confettiFall linear forwards; pointer-events:none; }
  @keyframes confettiFall{ to{ transform:translateY(115vh) rotate(540deg); opacity:.3; } }

  @keyframes shake{
    10%,90%{ transform:translateX(-2px); } 20%,80%{ transform:translateX(4px); }
    30%,50%,70%{ transform:translateX(-8px); } 40%,60%{ transform:translateX(8px); }
  }
  .canvas-wrap.shake{ animation: shake .4s; }

  /* settings modal */
  #settingsOverlay{ position:absolute; inset:0; background:rgba(74,44,20,.55); display:none; align-items:center; justify-content:center; z-index:25;}
  #settingsOverlay.show{ display:flex; }
  .settings-card{ background:var(--white); border:5px solid var(--crust); border-radius:22px; padding:22px; text-align:center; width:76%; max-width:280px;}
  .settings-card h3{ color:var(--crust); margin-bottom:14px;}
  .settings-card .btn{ width:100%; margin-bottom:10px; font-size:14px; padding:10px;}