@import url('../../../assets/css/bgm.css');

@font-face {
    font-family: 'MilkyNiceClean';
    src: url("../../../assets/fonts/MilkyNice-Clean.ttf") format("truetype");
    font-display: swap;
}

@font-face {
    font-family: 'HappySchool';
    src: url("../../../assets/fonts/HappySchool.ttf") format("truetype");
    font-display: swap;
}

@font-face {
    font-family: 'Poppins';
    src: url("../../../assets/fonts/Poppins-Regular.ttf") format("truetype");
    font-display: swap;
}

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

html,
body {
    width: 100%;
    height: 100%;
    margin: 0;
    padding: 0;
    overflow: hidden;
    background-color: #87CEEB;
    font-family: 'Poppins', sans-serif;
    overscroll-behavior: none;
    -webkit-touch-callout: none;
    -webkit-user-select: none;
    user-select: none;
}

#game-container {
    width: 100%;
    height: 100%;
    position: relative;
    z-index: 10;
    touch-action: none;
}

/* Nav Buttons positioned absolutely to overlay the game */
#nav-buttons {
    position: absolute;
    top: max(15px, env(safe-area-inset-top, 15px));
    left: max(15px, env(safe-area-inset-left, 15px));
    z-index: 50;
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 10px;
}

#back-btn,
#home-btn {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    border: 3px solid #fff;
    box-shadow: 0 6px 15px rgba(0, 0, 0, .4);
    cursor: pointer;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: background .2s, transform .2s, box-shadow .2s;
    outline: none;
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
}

#back-btn {
    background: #66bb6a;
}

#back-btn:hover {
    background: #43a047;
    transform: scale(1.1);
    box-shadow: 0 8px 20px rgba(0, 0, 0, .5);
}

#home-btn {
    border: 3px solid rgba(255, 220, 120, .70);
    background: rgba(255, 152, 0, .32);
}

#home-btn:hover {
    background: rgba(255, 152, 0, .58);
    transform: scale(1.1);
    box-shadow: 0 8px 20px rgba(0, 0, 0, .5);
}

#back-btn svg,
#home-btn svg {
    width: 30px;
    height: 30px;
    stroke: #fff;
    transition: transform .25s ease;
}

#back-btn:hover svg {
    transform: translateX(-4px);
}

#home-btn:hover svg {
    transform: scale(1.15);
}

#back-btn:active,
#home-btn:active {
    transform: scale(.93);
}

/* Top-right button group — same design as the flipbook's .iframe-ext-close:
   40×40 rounded square, 1.5px translucent border, translucent background */
#top-right-btns {
    position: fixed;
    top: max(10px, env(safe-area-inset-top, 10px));
    right: max(10px, env(safe-area-inset-right, 10px));
    display: flex;
    gap: 8px;
    z-index: 50;
}

#top-right-btns button {
    width: 40px;
    height: 40px;
    border-radius: 12px;
    border: 1.5px solid rgba(255,255,255,0.35);
    background: rgba(76,175,80,0.7);
    box-shadow: 0 4px 16px rgba(0,0,0,0.2), inset 0 1px 0 rgba(255,255,255,0.3);
    cursor: pointer;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: border-color .25s ease, box-shadow .25s ease, transform .15s ease;
    outline: none;
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
}

#top-right-btns button:hover {
    border-color: rgba(255,255,255,0.55);
    box-shadow: 0 4px 20px rgba(0,0,0,0.3), inset 0 1px 0 rgba(255,255,255,0.45);
}

#top-right-btns button:active {
    transform: scale(0.93);
}

#top-right-btns button svg {
    width: 22px;
    height: 22px;
    stroke: #fff;
    transition: transform .25s ease;
}

#top-right-btns button:hover svg {
    transform: scale(1.1);
}