.beyinjim-main{--heading:#0a1f44;--muted:#6c757d;--line:#dee2e6;--brand:#0a1f44;max-width:1000px;margin:24px auto;padding:0 20px 40px}
.beyinjim-main .panel{padding:12px 0;background:#fff}
.beyinjim-main h1{font-size:24px;font-weight:600;color:#0a1f44}
.beyinjim-main .muted{color:var(--muted)}
.brain-game {
    max-width: 820px;
    margin-inline: auto;
}

.brain-game [hidden] {
    display: none !important;
}

.brain-game-head,
.brain-game-controls,
.brain-number-row {
    display: flex;
    gap: 14px;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
}

.brain-game-controls {
    justify-content: flex-start;
    align-items: end;
    margin: 26px 0 22px;
}

.brain-game-controls label {
    color: var(--heading);
    font-weight: 800;
}

.brain-choice {
    display: grid;
    gap: 7px;
}

.brain-game-controls select {
    min-width: 100px;
    min-height: 44px;
    padding: 0 14px;
    border: 1px solid var(--line);
    border-radius: 12px;
    color: var(--heading);
    background: #fff;
    font: inherit;
    font-weight: 400;
}

.sound-toggle {
    position: relative;
    width: 44px;
    min-width: 44px;
    height: 44px;
    padding: 0;
    border: 1px solid #cfe0ff;
    border-radius: 999px;
    background: #fff;
}

.speaker-shape {
    position: relative;
    display: block;
    width: 22px;
    height: 18px;
    margin: auto;
}

.speaker-shape::before {
    content: "";
    position: absolute;
    left: 1px;
    top: 5px;
    width: 7px;
    height: 8px;
    border-radius: 2px;
    background: var(--brand);
}

.speaker-shape::after {
    content: "";
    position: absolute;
    left: 7px;
    top: 1px;
    width: 0;
    height: 0;
    border-top: 8px solid transparent;
    border-bottom: 8px solid transparent;
    border-right: 12px solid var(--brand);
}

.sound-toggle::after {
    content: "";
    position: absolute;
    inset: 10px;
    opacity: 0;
    background: linear-gradient(45deg, transparent 46%, #d92d20 47%, #d92d20 53%, transparent 54%),
        linear-gradient(-45deg, transparent 46%, #d92d20 47%, #d92d20 53%, transparent 54%);
}

.sound-toggle.is-muted::after {
    opacity: 1;
}

.brain-scoreboard {
    border-collapse: separate;
    border-spacing: 0;
    overflow: hidden;
    border: 1px solid #cfe0ff;
    border-radius: 10px;
    background: #fff;
    font-size: 13px;
    text-align: center;
}

.brain-scoreboard th,
.brain-scoreboard td {
    min-width: 64px;
    padding: 4px 8px;
    border-right: 1px solid #e4ecf7;
}

.brain-scoreboard th:last-child,
.brain-scoreboard td:last-child {
    border-right: 0;
}

.brain-scoreboard th {
    color: var(--heading);
    background: #f7f9fc;
    font-weight: 700;
}

.brain-scoreboard td {
    border-top: 1px solid #e4ecf7;
    font-size: 16px;
    font-weight: 800;
}

.score-correct,
.score-total.is-positive {
    color: #079455;
}

.score-wrong,
.score-total.is-nonpositive {
    color: #d92d20;
}

.brain-number-row {
    justify-content: flex-start;
    padding: 18px 0;
}

.brain-number {
    min-width: min(100%, 420px);
    color: #1463ff;
    font-size: clamp(38px, 8vw, 76px);
    line-height: 1;
    letter-spacing: 0;
    word-break: break-all;
}

.brain-number.is-hidden {
    color: transparent;
    text-shadow: none;
}

.brain-answer {
    width: min(100%, 520px);
    min-height: 54px;
    margin-top: 8px;
    padding: 0 18px;
    border: 2px solid #cfe0ff;
    border-radius: 14px;
    color: var(--heading);
    font: inherit;
    font-size: 22px;
    font-weight: 400;
}

.bravo-visual {
    min-height: 44px;
    margin: 0;
    padding: 0 20px;
    border-radius: 999px;
    color: #fff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    font-size: 22px;
    font-weight: 900;
    background: linear-gradient(135deg, #13b981, #1463ff);
    box-shadow: 0 12px 28px rgba(20, 99, 255, 0.2);
}

.bravo-visual.is-wrong {
    background: linear-gradient(135deg, #f04438, #d92d20);
    box-shadow: 0 12px 28px rgba(240, 68, 56, 0.2);
}



.sound-toggle{cursor:pointer;flex-shrink:0}
.brain-game-controls .form-select{font-family:inherit}
.brain-answer:focus-visible,.sound-toggle:focus-visible{outline:3px solid #5075a5;outline-offset:3px}
@media(max-width:480px){.beyinjim-main{padding-inline:16px}.brain-game-head .btn{width:100%}.brain-scoreboard{width:100%}}
.brain-limit-dialog{width:min(580px,94vw);max-height:90vh;overflow:auto;border:3px solid #dc3545;border-radius:16px;padding:24px;background:#fff4f4;color:#842029;box-shadow:0 16px 60px #0003}
.brain-limit-dialog::backdrop{background:#24000699}
.brain-limit-dialog img{flex-shrink:0}
.brain-limit-dialog [hidden]{display:none!important}
@media(max-width:480px){.brain-limit-dialog>.d-flex:first-child{flex-direction:column;text-align:center}}