@import url('https://fonts.googleapis.com/css2?family=Russo+One&display=swap');

body {
    margin: 0;
    padding: 0;
    height: 100vh;
    background-color: #111;
    font-family: 'Russo One', sans-serif;
    color: white;
    user-select: none;
    -webkit-user-select: none;
    overflow: hidden;
    display: flex;
    justify-content: center;
    align-items: center;
    /* Prevent pull-to-refresh and system gestures */
    touch-action: none;
}

/* Fullscreen Button */
.fs-btn {
    position: fixed;
    top: 15px;
    left: 15px;
    z-index: 100;
    background: rgba(0,0,0,0.6);
    color: white;
    border: 1px solid #555;
    padding: 8px 12px;
    border-radius: 4px;
    font-family: 'Russo One', sans-serif;
    font-size: 10px;
    cursor: pointer;
}

.main-wrapper {
    display: flex;
    height: 100vh;
    width: auto;
    justify-content: center;
    box-shadow: 0 0 50px rgba(0,0,0,0.8);
    background: #111;
}

/* --- SIDEBARS --- */
.controls-area, .info-area {
    width: 180px;
    background-color: #2c3e50;
    display: flex;
    flex-direction: column;
    z-index: 10;
}

.controls-area {
    align-items: center;
    justify-content: center;
    border-right: 2px solid #1a1a1a;
}

.info-area {
    width: 200px;
    border-left: 2px solid #1a1a1a;
    padding: 20px;
    box-sizing: border-box;
}

.controls-area h2 { font-size: 20px; margin-bottom: 20px; color: #f1c40f; text-shadow: 2px 2px 0 #000; }

.btn-group { display: flex; flex-direction: column; gap: 15px; width: 85%; }

.game-btn {
    padding: 12px;
    font-family: 'Russo One', sans-serif;
    font-size: 13px;
    color: white;
    background-color: #34495e;
    border: 2px solid #7f8c8d;
    border-radius: 6px;
    cursor: pointer;
    box-shadow: 0 4px 0 #1a252f;
    touch-action: manipulation;
}

.big-btn { background-color: #e67e22; border-color: #d35400; font-size: 18px; padding: 20px 10px; box-shadow: 0 5px 0 #a04000; }
.game-btn:active { transform: translateY(4px); box-shadow: 0 0 0 #000; }

/* --- GAME AREA --- */
.game-area {
    width: 480px;
    position: relative;
    background: linear-gradient(#4EC0CA, #89d6dd);
    overflow: hidden;
    border-left: 4px solid #000;
    border-right: 4px solid #000;
    touch-action: none;
}

.game-area canvas { display: block; outline: none; }

.message-overlay {
    position: absolute;
    top: 40%;
    left: 50%;
    transform: translate(-50%, -50%);
    background-color: rgba(0, 0, 0, 0.9);
    padding: 20px;
    border-radius: 10px;
    border: 3px solid #f1c40f;
    font-size: 22px;
    text-align: center;
    z-index: 20;
    pointer-events: none;
    width: 70%;
}

.score-box { background-color: #34495e; border-radius: 8px; padding: 15px; text-align: center; margin-bottom: 30px; border: 2px solid #566573; }
#scoreDisplay { font-size: 50px; color: #fff; text-shadow: 3px 3px 0 #000; margin-top: 5px; }

.stats-box { display: flex; flex-direction: column; gap: 15px; }
.stat-item { border-bottom: 1px solid #566573; padding-bottom: 8px; display: flex; justify-content: space-between; align-items: center; }
.label { font-size: 11px; color: #bdc3c7; }
.value { font-size: 16px; color: #f1c40f; }

.highlight { color: #e74c3c; font-size: 13px; text-align: center; margin-top: 20px; animation: pulse 1s infinite; }

@keyframes pulse { 0%, 100% { opacity: 0.5; } 50% { opacity: 1; } }

/* Mobile responsive fallback */
@media (max-width: 860px) {
    body { flex-direction: column; }
    .main-wrapper { flex-direction: column; width: 100%; height: 100vh; }
    .game-area { width: 100%; flex: 1; border: none; }
    .controls-area { width: 100%; height: 80px; flex-direction: row; order: 2; border-right: none; border-top: 2px solid #1a1a1a; }
    .info-area { position: absolute; top: 10px; right: 10px; width: auto; background: none; border: none; padding: 0; pointer-events: none; }
    .stats-box, .controls-area h2 { display: none; }
    .score-box { background: none; border: none; }
    #scoreDisplay { font-size: 40px; }
    .fs-btn { font-size: 12px; padding: 10px; }
}

/* --- NEW: Hide Flap/Pause buttons in Mobile Vertical Fullscreen --- */
@media (max-width: 860px) and (orientation: portrait) {
    /* Target native fullscreen state OR our JS fallback class */
    :fullscreen #flapBtn,
    :fullscreen #pauseBtn,
    :-webkit-full-screen #flapBtn,
    :-webkit-full-screen #pauseBtn,
    body.is-fullscreen #flapBtn,
    body.is-fullscreen #pauseBtn {
        display: none !important;
    }

    /* Centers the remaining 'MODE' button beautifully when flap/pause are hidden */
    :fullscreen .btn-group,
    :-webkit-full-screen .btn-group,
    body.is-fullscreen .btn-group {
        flex-direction: row;
        justify-content: center;
        width: 100%;
    }
}