/* =========================
   GENERAL
   ========================= */

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;

    font-family: Arial, Helvetica, sans-serif;

    background: #f2f2f2;
    color: #222;

    transition: background 0.3s, color 0.3s;
}

.container {
    width: 90%;
    max-width: 700px;

    margin: 0 auto;
    padding: 30px 0;

    text-align: center;
}


/* =========================
   TITLE
   ========================= */

h1 {
    margin-bottom: 5px;

    font-size: 42px;
}

.subtitle {
    color: #666;
    margin-top: 0;
}


/* =========================
   SCORE
   ========================= */

.score-box {
    display: inline-block;

    margin: 15px 0;
    padding: 10px 20px;

    background: white;

    border: 2px solid #222;
    border-radius: 10px;

    font-size: 20px;
    font-weight: bold;
}

#status {
    font-weight: bold;
    min-height: 24px;
}

#message {
    min-height: 24px;
}


/* =========================
   GAME
   ========================= */

#game {
    position: relative;

    width: 100%;
    height: 350px;

    margin: 20px auto;

    background: #dff3ff;

    border: 4px solid #222;
    border-radius: 15px;

    overflow: hidden;
}

#player {
    position: absolute;

    left: 50%;
    top: 50%;

    width: 45px;
    height: 45px;

    background: red;

    border-radius: 8px;

    transform: translate(-50%, -50%);

    transition:
        left 0.15s,
        top 0.15s,
        background 0.2s;
}


/* =========================
   CONTROLS
   ========================= */

.controls {
    margin: 20px 0;
    padding: 20px;

    background: white;

    border: 2px solid #ddd;
    border-radius: 15px;
}

.controls h2 {
    margin-top: 0;
}


/* =========================
   BUTTONS
   ========================= */

button {
    margin: 5px;
    padding: 10px 16px;

    border: none;
    border-radius: 8px;

    background: #333;
    color: white;

    font-size: 15px;

    cursor: pointer;

    transition:
        background 0.15s,
        transform 0.1s;
}

button:hover {
    background: #555;
}

button:active {
    transform: scale(0.95);
}


/* =========================
   INFO BOX
   ========================= */

.info-box {
    margin-top: 20px;
    padding: 20px;

    background: #fff8c5;

    border: 2px solid #e5c400;
    border-radius: 15px;
}

.info-box h2 {
    margin-top: 0;
}


/* =========================
   DARK MODE
   ========================= */

body.dark {
    background: #111;
    color: white;
}

body.dark .subtitle {
    color: #aaa;
}

body.dark .score-box,
body.dark .controls {
    background: #222;
    border-color: #444;
}

body.dark #game {
    background: #202b35;
    border-color: #666;
}

body.dark .info-box {
    background: #38351d;
    border-color: #a89a00;
}


/* =========================
   MOBILE
   ========================= */

@media (max-width: 600px) {

    h1 {
        font-size: 32px;
    }

    #game {
        height: 300px;
    }

    button {
        padding: 9px 12px;
    }
}