.play-ui {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;

    pointer-events: none;

    z-index: 100;

    font-family: Arial, sans-serif;
}


/* ================================
   TOP UI
   ================================ */

.play-ui-top {
    position: absolute;

    top: 20px;
    left: 20px;
    right: 20px;

    display: flex;
    align-items: center;
    justify-content: space-between;

    pointer-events: none;
}


/* ================================
   BACK BUTTON
   ================================ */

.play-ui-back {
    pointer-events: auto;

    border: none;
    border-radius: 8px;

    padding: 10px 16px;

    background: #102b3d;
    color: #ffffff;

    font-size: 16px;
    font-weight: 600;

    cursor: pointer;
}


/* ================================
   TIMER
   ================================ */

.play-ui-timer {
    min-width: 90px;

    padding: 8px 14px;

    border-radius: 8px;

    background: #102b3d;
    color: #ffffff;

    text-align: center;
}

.play-ui-timer-label {
    display: block;

    font-size: 10px;
    font-weight: 700;

    letter-spacing: 1px;

    opacity: 0.7;
}

#play-ui-timer-value {
    display: block;

    margin-top: 2px;

    font-size: 22px;
    line-height: 1;
}


/* ================================
   START BUTTON
   ================================ */

.play-ui-start {
    position: absolute;

    top: 50%;
    left: 50%;

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

    pointer-events: auto;

    min-width: 150px;

    padding: 16px 32px;

    border: none;
    border-radius: 12px;

    background: #2ecc71;
    color: #ffffff;

    font-size: 20px;
    font-weight: 800;

    letter-spacing: 1px;

    cursor: pointer;

    box-shadow:
        0 6px 16px rgba(0, 0, 0, 0.35);
}

.play-ui-start:hover {
    filter: brightness(1.08);
}

.play-ui-start:active {
    transform:
        translate(-50%, -50%)
        scale(0.96);
}


/* ================================
   STATUS
   ================================ */

.play-ui-status {
    position: absolute;

    top: 70px;
    left: 50%;

    transform: translateX(-50%);

    max-width: 80%;

    padding: 8px 14px;

    border-radius: 8px;

    background: rgba(16, 43, 61, 0.9);
    color: #ffffff;

    font-size: 14px;

    text-align: center;

    pointer-events: none;
}


/* ================================
   ERROR
   ================================ */

.play-ui-error {
    position: absolute;

    top: 50%;
    left: 50%;

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

    width: min(90%, 360px);

    padding: 24px;

    border-radius: 12px;

    background: #102b3d;
    color: #ffffff;

    text-align: center;

    pointer-events: auto;
}

.play-ui-error p {
    margin: 0 0 16px;

    font-size: 16px;
    line-height: 1.5;
}

.play-ui-retry {
    border: none;
    border-radius: 8px;

    padding: 10px 20px;

    background: #2ecc71;
    color: #ffffff;

    font-size: 15px;
    font-weight: 700;

    cursor: pointer;
}


/* ================================
   SMALL SCREENS
   ================================ */

@media (max-width: 600px) {

    .play-ui-top {
        top: 12px;
        left: 12px;
        right: 12px;
    }

    .play-ui-back {
        padding: 8px 12px;
        font-size: 14px;
    }

    .play-ui-timer {
        min-width: 76px;
        padding: 7px 10px;
    }

    #play-ui-timer-value {
        font-size: 19px;
    }

    .play-ui-start {
        min-width: 130px;

        padding: 14px 26px;

        font-size: 18px;
    }

    .play-ui-status {
        top: 62px;
        font-size: 13px;
    }
}