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

.game-screen {
    position: relative;

    min-height: 100dvh;

    display: flex;

    align-items: center;
    justify-content: center;

    padding:
        max(20px, env(safe-area-inset-top))
        18px
        max(20px, env(safe-area-inset-bottom));

    background-image:
        linear-gradient(
            rgba(5, 10, 20, 0.78),
            rgba(5, 10, 20, 0.92)
        ),
        url("../assets/images/backgrounds/game-bg.webp");

    background-size: cover;

    background-position: center;

    background-repeat: no-repeat;

    background-attachment: fixed;
}

.game-container {
    width: min(92vw, 900px);

    padding: 32px 38px;

    border:
        1px solid #334155;

    border-radius: 24px;

    background: #111827;

    box-shadow: 0 20px 60px rgba(0,0,0,0.35);
}


/* ============================================================
   HEADER
   ============================================================ */

.game-header {
    display: flex;

    align-items: flex-start;
    justify-content: space-between;
}

.life {
    font-size: 21px;

    letter-spacing: 3px;
}

.score-box {
    text-align: right;
}

.score-label {
    color: #64748b;

    font-size: 8px;

    letter-spacing: 2px;
}

.score {
    color: #fbbf24;

    font-size: 30px;

    font-weight: 900;
}

.best-score {
    color: #64748b;

    font-size: 9px;
}


/* ============================================================
   QUESTION
   ============================================================ */

.question {
    min-height: 100px;

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

    margin-top: 8px;

    padding: 0 20px;

    text-align: center;

    font-size: clamp(40px, 4vw, 64px);
    font-weight: 900;

    line-height: 1.2;

    overflow-wrap: break-word;
    word-break: normal;
}

.reading {
    height: 30px;

    color: #fbbf24;

    text-align: center;

    font-size: 18px;

    visibility: hidden;
}

.reading.show {
    visibility: visible;
}


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

.timer-area {
    margin-top: 12px;
}

.timer-text {
    margin-bottom: 5px;

    color: #94a3b8;

    text-align: right;

    font-size: 11px;
}

.timer-track {
    width: 100%;
    height: 7px;

    border-radius: 10px;

    background: #1f2937;

    overflow: hidden;
}

.timer-bar {
    width: 100%;
    height: 100%;

    background: #f59e0b;

    transition:
        width 0.1s linear;
}


/* ============================================================
   ANSWERS
   ============================================================ */

.answers {
    display: grid;

    grid-template-columns: 1fr; /*## Mỗi đáp án chiếm 1 hàng */
        /*### repeat(2,1fr);  */

    gap: 12px;

    margin-top: 24px;
}

.answer-button {
    position: relative;

    min-height: 72px;

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

    padding: 14px 22px 14px 60px;

    border: 2px solid #374151;
    border-radius: 15px;

    background: #1f2937;
    color: white;

    font-size: clamp(16px, 1.5vw, 20px);
    font-weight: 700;

    line-height: 1.35;

    cursor: pointer;

    transition:
        transform 0.08s,
        border-color 0.15s,
        background 0.15s;
}

.answer-button:hover:not(:disabled) {
    border-color: #64748b;

    transform:
        translateY(-2px);
}

.answer-button:active:not(:disabled) {
    transform:
        scale(0.97);
}

.answer-button:disabled {
    cursor: default;
}


/* NUMBER */

.answer-number {
    position: absolute;

    left: 13px;

    width: 28px;
    height: 28px;

    display: flex;

    align-items: center;
    justify-content: center;

    border:
        1px solid #64748b;

    border-radius: 6px;

    background: #111827;

    color: #94a3b8;

    font-size: 12px;
    font-weight: 900;
}

.answer-text {
    width: 100%;

    text-align: center;

    overflow-wrap: break-word;
    word-break: normal;
}


/* RESULT */

.answer-button.correct {
    border-color: #22c55e;

    background:
        rgba(34,197,94,0.22);
}

.answer-button.wrong {
    border-color: #ef4444;

    background:
        rgba(239,68,68,0.22);
}


/* ============================================================
   COMBO
   ============================================================ */

.combo {
    margin-top: 18px;

    color: #fb923c;

    text-align: center;

    font-size: 13px;

    font-weight: 900;
}

.keyboard-hint {
    margin-top: 9px;

    color: #475569;

    text-align: center;

    font-size: 8px;

    font-weight: 900;

    letter-spacing: 2px;
}


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

.game-over-screen {
    min-height: 100dvh;

    display: flex;

    align-items: center;
    justify-content: center;

    padding: 20px;

    background: #080d17;
}

.game-over-card {
    width: min(92%,450px);

    padding: 30px;

    border:
        1px solid #334155;

    border-radius: 20px;

    background: #111827;
}

.game-over-title {
    color: #ef4444;

    text-align: center;

    font-size: 38px;

    font-weight: 900;

    letter-spacing: 4px;
}

.result-label {
    margin-top: 30px;

    color: #64748b;

    text-align: center;

    font-size: 9px;

    letter-spacing: 2px;
}

.final-score {
    margin-bottom: 25px;

    color: #fbbf24;

    text-align: center;

    font-size: 55px;

    font-weight: 900;
}

.result-row {
    display: flex;

    justify-content: space-between;

    padding: 13px 0;

    border-bottom:
        1px solid #1f2937;

    color: #94a3b8;
}

.result-row strong {
    color: white;
}

/* ============================================================
   GAME MODE INFO
   ============================================================ */
.game-mode-info {
    margin-top: 25px;

    color: #fbbf24;

    text-align: center;

    font-size: 11px;

    font-weight: 900;

    letter-spacing: 2px;
}


.question-number {
    margin-top: 7px;

    color: #64748b;

    text-align: center;

    font-size: 9px;

    font-weight: 900;

    letter-spacing: 2px;
}

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

@media (max-width: 600px) {

    .game-screen {
        padding: 0;
    }

    .game-container {
        width: 100%;
        min-height: 100dvh;

        border: none;
        border-radius: 0;

        padding:
            max(20px,env(safe-area-inset-top))
            15px
            max(20px,env(safe-area-inset-bottom));

        box-shadow: none;
    }

    .question {
        min-height: 85px;
        padding: 0;

        font-size: clamp(40px, 8vw, 58px);
    }

       .answers {
        gap: 10px;
        margin-top: 22px;
    }

    .answer-button {
        min-height: 65px;

        padding:
            12px
            15px
            12px
            52px;

        border-radius: 13px;

        font-size: 16px;
    }
}

/*##@media (max-width: 360px) {

    .answers {
        grid-template-columns: 1fr;
    }
} không còn cần nữa, vì .answers mặc định đã là 1fr */

@media (pointer: coarse) {

    .keyboard-hint {
        display: none;
    }
}