@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@500;700&family=Roboto&display=swap');

*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Poppins', sans-serif;
}

:root {
    --game-width: 500px;
    --game-height: 200px;
    --ground: 9px;
    --obstacle-size: 23px;
    --accent: #18f;
    --bg-dark: rgb(55, 54, 54);
    --bg-light: rgb(50, 165, 203);
}

body {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: linear-gradient(to top, var(--bg-dark), var(--bg-light));
    flex-direction: column;
    padding: 20px;
}

section {
    background-color: #fff;
    padding: 20px;
    border-radius: 20px;
    box-shadow: 0 0 50px rgba(0, 0, 0, 0.2);
    width: 100%;
    max-width: calc(var(--game-width) + 40px);
}

.jeu {
    width: 100%;
    max-width: var(--game-width);
    height: var(--game-height);
    border: 0;
    border-bottom: 3px solid var(--accent);
    overflow: hidden;
    position: relative;
    background: #f9f9f9;
    border-radius: 8px 8px 0 0;
}

.perso {
    width: 20px;
    height: 50px;
    position: absolute;
    bottom: var(--ground);
    left: 20px;
}

.perso img {
    width: 120%;
    height: 120%;
    object-fit: cover;
}

.animation {
    animation: perso-saut 500ms ease-in-out forwards;
}

@keyframes perso-saut {
    0%   { bottom: var(--ground); }
    25%  { bottom: 100px; }
    50%  { bottom: 100px; }
    100% { bottom: var(--ground); }
}

.obstacles {
    width: var(--obstacle-size);
    height: var(--obstacle-size);
    background-color: #222;
    position: absolute;
    bottom: var(--ground);
    left: calc(100% + var(--obstacle-size));
    border-radius: 50%;
    animation: anime-obstacles 2.5s linear infinite;
    box-shadow: 0 0 8px rgba(0,0,0,0.3);
}

@keyframes anime-obstacles {
    0%   { left: calc(100% + var(--obstacle-size)); }
    100% { left: calc(-1 * var(--obstacle-size) * 2); }
}

.control {
    margin-top: 16px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    width: 100%;
    max-width: calc(var(--game-width) + 40px);
}

.control-buttons {
    display: flex;
    gap: 12px;
    width: 100%;
    justify-content: center;
    flex-wrap: wrap;
}

a, button, .score {
    padding: 12px 40px;
    border-radius: 8px;
    border: 0;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.12);
    font-weight: 700;
    cursor: pointer;
    background-color: #fff;
    font-size: 15px;
    text-decoration: none;
    color: #000;
    transition: transform 0.1s ease, box-shadow 0.1s ease;
    display: inline-block;
    text-align: center;
    min-width: 120px;
}

a:hover, button:hover {
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.18);
    transform: translateY(-2px);
}

button:active {
    transform: translateY(0);
    box-shadow: 0 1px 6px rgba(0, 0, 0, 0.12);
}

.score {
    background: linear-gradient(135deg, #fff 60%, #e8f4ff);
    border: 1px solid #d0e8ff;
    cursor: default;
    min-width: 160px;
}

.score span {
    color: var(--accent);
    font-weight: 700;
}

#btn-jump {
    background: linear-gradient(135deg, #18f, #06c);
    color: #fff;
    font-size: 16px;
    padding: 14px 48px;
    border-radius: 10px;
    box-shadow: 0 4px 16px rgba(17, 136, 255, 0.35);
    user-select: none;
    -webkit-tap-highlight-color: transparent;
}

#btn-jump:active {
    transform: scale(0.96);
    box-shadow: 0 2px 8px rgba(17, 136, 255, 0.2);
}

p {
    text-align: center;
    margin-top: 16px;
    color: rgba(255,255,255,0.7);
    font-size: 13px;
    letter-spacing: 0.03em;
}

@media screen and (max-width: 580px) {
    :root {
        --game-height: 160px;
        --obstacle-size: 16px;
        --ground: 16px;
    }

    section {
        padding: 12px;
        border-radius: 14px;
    }

    .perso {
        width: 16px;
        height: 40px;
    }

    a, button, .score {
        padding: 11px 24px;
        font-size: 14px;
        min-width: 100px;
    }

    #btn-jump {
        padding: 14px 40px;
        font-size: 15px;
    }
}

@media screen and (max-width: 380px) {
    :root {
        --game-height: 130px;
    }

    .control-buttons {
        flex-direction: column;
        align-items: center;
    }
}

/*Coding By Iroukaizen & Godwin-creator*/