:root {
    --tile-w: 110px; --tile-h: 150px;
    --accent: #4a8c4d; --gold: #f1c40f;
}

body, html {
    margin: 0; padding: 0; width: 100%; height: 100%;
    overflow: hidden; background-color: #050a05;
    font-family: 'Segoe UI', sans-serif;
    user-select: none; 
    -webkit-user-select: none;
    -webkit-touch-callout: none;
    -webkit-tap-highlight-color: transparent;
    touch-action: none;
    background: url('bg.png') no-repeat center center fixed;
    background-size: cover;
}

#stage {
    width: 900px; 
    height: 1600px; 
    background: radial-gradient(circle, #2d5a32 0%, #0d1a0e 100%);
    position: absolute;
    top: 50%; left: 50%;
    transform-origin: center;
    transform: translate(-50%, -50%);
    overflow: hidden;
    box-shadow: 0 0 100px rgba(0,0,0,0.8);
    touch-action: none;
}

.overlay {
    position: absolute; inset: 0; z-index: 5000; 
    display: flex; flex-direction: column; align-items: center; justify-content: center;
    color: white; text-align: center;
}

#menu-screen { background: radial-gradient(circle, #2d5a32 0%, #0d1a0e 100%); }
.modal-bg { background: rgba(0,0,0,0.95); }

.big-btn { 
    padding: 40px 100px; font-size: 60px; background: #e74c3c; color: white; 
    border: 6px solid var(--gold); border-radius: 100px; cursor: pointer; font-weight: bold;
}

#header { height: 220px; display: flex; flex-direction: column; justify-content: center; align-items: center; color: white; z-index: 10; }
#rank-txt { font-size: 42px; color: var(--gold); font-weight: bold; margin-bottom: 10px; }
#top-row { width: 100%; display: flex; justify-content: space-between; padding: 0 80px; box-sizing: border-box; font-size: 60px; font-weight: 900; }

#play-area { position: absolute; inset: 0; z-index: 5; }

.tutorial-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80%;
    text-align: center;
    font-size: 55px;
    font-weight: bold;
    color: white;
    text-shadow: 0 5px 20px rgba(0,0,0,0.8);
    background: rgba(0,0,0,0.3);
    padding: 40px;
    border-radius: 30px;
    border: 3px dashed var(--gold);
    z-index: 3000;
    pointer-events: none;
    animation: pulseTut 1.5s infinite;
}

@keyframes pulseTut {
    0%, 100% { opacity: 0.8; transform: translate(-50%, -50%) scale(1); }
    50% { opacity: 1; transform: translate(-50%, -50%) scale(1.05); }
}

#tray-ui {
    position: absolute; 
    bottom: 240px; 
    left: 20px; width: 860px; height: 180px;
    background: rgba(0,0,0,0.6); border: 6px solid var(--accent); border-radius: 35px;
    display: flex; align-items: center; padding: 0 10px; box-sizing: border-box; z-index: 100;
}
.slot { width: 102px; height: 150px; margin: 0 2px; background: rgba(255,255,255,0.05); border-radius: 15px; }

#controls {
    position: absolute; 
    bottom: 40px; 
    left: 0; width: 100%;
    display: flex; justify-content: center; gap: 25px; z-index: 110;
}
.btn {
    width: 150px; height: 150px; background: #1a3a1d; border: 4px solid var(--accent); border-radius: 40px;
    display: flex; align-items: center; justify-content: center; font-size: 70px; color: white; cursor: pointer; position: relative;
}
.btn .badge { 
    position: absolute; top: -15px; right: -15px; background: #e74c3c; width: 50px; height: 50px; 
    border-radius: 50%; display: flex; align-items: center; justify-content: center; 
    font-size: 28px; border: 3px solid white; font-weight: bold;
}

.tile {
    position: absolute; width: var(--tile-w); height: var(--tile-h); background: #fff;
    border-radius: 16px; box-shadow: 0 12px 0 #bdc3c7, 0 15px 30px rgba(0,0,0,0.5);
    display: flex; justify-content: center; align-items: center; font-size: 90px; cursor: pointer;
    transition: all 0.4s cubic-bezier(0.25, 1, 0.5, 1); z-index: 50; border: 1px solid #ddd;
}
.tile.locked { filter: brightness(0.4) contrast(0.8); }
.hint-on { animation: hintAnim 0.7s infinite !important; border: 4px solid gold !important; }
@keyframes hintAnim { 0%, 100% { transform: scale(1); } 50% { transform: scale(1.15); box-shadow: 0 0 50px gold; z-index: 1000; } }

#achievements-screen { background: rgba(10, 30, 10, 0.98); padding-top: 150px; justify-content: flex-start; }
.gift-grid {
    width: 800px; height: 1100px; display: grid; grid-template-columns: repeat(3, 1fr);
    gap: 30px; overflow-y: auto; padding: 20px; scrollbar-width: none;
}
.gift-grid::-webkit-scrollbar { display: none; }
.gift-card { background: transparent; border: none; padding: 20px; text-align: center; }
.gift-card span { font-size: 110px; display: block; }
.gift-card p { font-size: 30px; margin-top: 15px; color: var(--gold); font-weight: bold; }

#gift-icon { font-size: 220px; margin: 40px 0; }
#gift-name { font-size: 55px; color: #2ecc71; margin-bottom: 50px; font-weight: bold; }