/* ============================================
   MATH GAMES — Game Styles
   ============================================ */

body.math-page {
    background: #1a0a2e;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    overflow-x: hidden;
    user-select: none;
    -webkit-user-select: none;
}

#mh-hud {
    width: 100%;
    max-width: 900px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 24px;
    margin-top: 8px;
    background: rgba(0,0,0,0.35);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(168, 85, 247, 0.2);
    border-radius: 16px;
    box-shadow: 0 2px 20px rgba(0,0,0,0.15);
}

.mh-hud-left { display: flex; align-items: center; gap: 8px; }
.mh-hud-right { display: flex; align-items: center; gap: 6px; }

.mh-title {
    font-size: 1.2rem;
    font-weight: 700;
    color: #a855f7;
    text-shadow: 0 0 20px rgba(168, 85, 247, 0.3);
}

.mh-score-display {
    font-size: 1.1rem;
    font-weight: 700;
    color: #ffd700;
    background: rgba(255, 215, 0, 0.12);
    padding: 4px 16px;
    border-radius: 20px;
}

.mh-timer-display {
    font-size: 0.95rem;
    font-weight: 700;
    color: white;
    background: rgba(168, 85, 247, 0.15);
    padding: 4px 14px;
    border-radius: 20px;
}

.mh-combo-display {
    font-size: 0.85rem;
    font-weight: 700;
    color: #f97316;
    background: rgba(249, 115, 22, 0.12);
    padding: 3px 10px;
    border-radius: 20px;
    display: none;
}

.mh-reset-btn { margin-left: 8px !important; }

/* ===== GAME AREA ===== */
#mh-game-area {
    width: 100%;
    max-width: 900px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 0 12px;
    margin-top: 8px;
}

.mh-card-wrapper {
    position: relative;
    width: 100%;
}

.mh-card {
    width: 100%;
    background: rgba(30, 10, 50, 0.5);
    border: 1px solid rgba(168, 85, 247, 0.15);
    border-radius: 20px;
    padding: 30px 20px;
    text-align: center;
    backdrop-filter: blur(8px);
}

/* ===== QUESTION ===== */
.mh-question-number {
    font-size: 0.85rem;
    color: rgba(255,255,255,0.4);
    margin-bottom: 8px;
}
.mh-problem {
    font-size: 2.8rem;
    font-weight: 800;
    color: white;
    margin-bottom: 6px;
    letter-spacing: 2px;
    text-shadow: 0 2px 20px rgba(168, 85, 247, 0.2);
}
.mh-problem .operator { color: #a855f7; }
.mh-problem .equals { color: #fbbf24; }
.mh-problem .answer-spot {
    display: inline-block;
    min-width: 60px;
    border-bottom: 3px dashed rgba(168, 85, 247, 0.3);
    color: #fbbf24;
}

/* ===== OPTIONS ===== */
.mh-options {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    margin-top: 20px;
}

.mh-option {
    padding: 16px;
    border-radius: 16px;
    border: 2px solid rgba(168, 85, 247, 0.15);
    background: rgba(168, 85, 247, 0.06);
    color: white;
    font-size: 1.4rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s ease;
    font-family: inherit;
}
.mh-option:hover {
    background: rgba(168, 85, 247, 0.15);
    border-color: rgba(168, 85, 247, 0.3);
    transform: translateY(-2px);
}
.mh-option:active {
    transform: translateY(0);
}
.mh-option.correct {
    background: rgba(34, 197, 94, 0.25);
    border-color: #22c55e;
    animation: mhPop 0.3s ease;
}
.mh-option.wrong {
    background: rgba(239, 68, 68, 0.25);
    border-color: #ef4444;
    animation: mhShake 0.3s ease;
}

@keyframes mhPop {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}
@keyframes mhShake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-6px); }
    75% { transform: translateX(6px); }
}

/* ===== OVERLAYS ===== */
.mh-overlay {
    position: absolute; top: 0; left: 0;
    width: 100%; height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0,0,0,0.55);
    backdrop-filter: blur(8px);
    z-index: 10;
    border-radius: 16px;
    animation: fadeIn 0.3s ease;
}
.mh-overlay.hidden { display: none; }

.mh-overlay-content {
    text-align: center;
    background: rgba(255,255,255,0.08);
    padding: 36px 48px;
    border-radius: 24px;
    backdrop-filter: blur(4px);
    animation: modalPop 0.4s ease;
}

.mh-overlay-icon { font-size: 4rem; margin-bottom: 8px; animation: float 2s ease-in-out infinite; }
.mh-overlay-title {
    font-size: 1.8rem;
    font-weight: 800;
    color: white;
    margin-bottom: 6px;
    text-shadow: 0 2px 20px rgba(0,0,0,0.4);
}
.mh-overlay-sub {
    font-size: 0.95rem;
    color: rgba(255,255,255,0.8);
    margin-bottom: 20px;
}

.mh-btn {
    padding: 12px 40px;
    border-radius: 100px;
    border: none;
    background: linear-gradient(135deg, #a855f7, #7c3aed);
    color: white;
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: inherit;
    box-shadow: 0 4px 20px rgba(168, 85, 247, 0.3);
}
.mh-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(168, 85, 247, 0.5);
}
.mh-btn:active { transform: translateY(0); }

/* ===== TIMER BAR ===== */
.mh-timer-bar {
    width: 100%;
    height: 4px;
    background: rgba(168, 85, 247, 0.1);
    border-radius: 2px;
    overflow: hidden;
    margin-top: 8px;
}
.mh-timer-fill {
    height: 100%;
    background: linear-gradient(90deg, #a855f7, #7c3aed);
    border-radius: 2px;
    transition: width 1s linear;
    width: 100%;
}

/* ===== FEED ===== */
.mh-feed {
    font-size: 1.1rem;
    font-weight: 700;
    color: #ffd700;
    animation: mhFeedUp 0.8s ease forwards;
    pointer-events: none;
}
@keyframes mhFeedUp {
    0%   { opacity: 1; transform: translateY(0); }
    100% { opacity: 0; transform: translateY(-40px); }
}

/* ===== RESPONSIVE ===== */
@media (max-width: 540px) {
    #mh-hud {
        padding: 8px 12px;
        flex-wrap: wrap;
        gap: 4px;
    }
    .mh-title { font-size: 0.95rem; }
    .mh-problem { font-size: 2.2rem; }
    .mh-option { padding: 12px; font-size: 1.2rem; }
    .mh-overlay-content { padding: 24px 20px; }
    .mh-overlay-title { font-size: 1.4rem; }
    .mh-overlay-icon { font-size: 3rem; }
    .mh-btn { padding: 10px 30px; font-size: 0.9rem; }
}