@charset "utf-8";
/* CSS Document */

#puzzle-container,
#full-image {
    width: min(600px, 100dvh);
    aspect-ratio: 600 / 398;
    margin: 20px auto;
    border: 2px solid #333;
    position: relative;
    background: #ccc;
    overflow: hidden;
}

.tile {
    position: absolute;
    width: 25%;
    height: 25%;
    border: 1px solid #999;
    background-image: url("./puzzle2.jpg");
    background-repeat: no-repeat;
    background-size: 400% 400%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: clamp(12px, 2.5vw, 20px);
    font-weight: bold;
    color: white;
    text-shadow: 1px 1px 3px black;
    transition: left 0.15s ease, top 0.15s ease;
}

.tile.no-hint {
    color: transparent;
    text-shadow: none;
}

#full-image {
    display: none;
    background-image: url("./puzzle2.jpg");
    background-repeat: no-repeat;
    background-size: 100% 100%;
}

#controls {
    margin: 15px 0 0 12px;
}

button {
    font-size: 16px;
    padding: 10px 14px;
    margin: 4px;
    cursor: pointer;
}

#timer {
    display: inline-block;
    font-size: 18px;
    font-weight: bold;
    margin: 10px;
}

#message {
    font-size: 22px;
    font-weight: bold;
    color: green;
    margin-top: 10px;
}

#image-error {
    display: none;
    color: #c00;
    font-weight: bold;
    margin: 15px auto;
}