/* SET YOUR GAME'S COLOR THEME HERE */
:root {
    --primary-color: #256EFF;
    --primary-hover: #1557d6;
    --hero-gradient-start: rgba(37, 110, 255, 0.1);
    --hero-gradient-end: rgba(37, 110, 255, 0.05);
    --section-bg-start: rgba(37, 110, 255, 0.05);
    --section-bg-end: rgba(37, 110, 255, 0.02);
    --primary-shadow: rgba(37, 110, 255, 0.3);
    --feature-shadow: rgba(37, 110, 255, 0.15);
    --focus-shadow: rgba(37, 110, 255, 0.25);
    --mode-shadow: rgba(37, 110, 255, 0.2);
    --btn-shadow: rgba(37, 110, 255, 0.4);
    --summary-bg-start: rgba(37, 110, 255, 0.1);
    --summary-bg-end: rgba(37, 110, 255, 0.05);
    --accordion-icon-filter: brightness(0) saturate(100%) invert(33%) sepia(91%) saturate(2527%) hue-rotate(215deg) brightness(102%) contrast(103%);
}

.question-instruction {
    font-size: 1.3rem;
    color: #666;
    text-align: center;
    margin-bottom: 1rem;
}

.question-fraction {
    text-align: center;
    margin: 2rem 0;
}

.fraction-display {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    font-size: 3rem;
    font-weight: 700;
    color: #2c3e50;
}

.fraction-display .whole {
    font-size: 2.5rem;
    margin-right: 0.5rem;
}

.fraction-display .numerator {
    padding: 0 0.5rem;
}

.fraction-display .fraction-line {
    width: 100%;
    height: 4px;
    background: #2c3e50;
    margin: 0.2rem 0;
}

.fraction-display .denominator {
    padding: 0 0.5rem;
}

.answer-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    margin: 2rem 0;
}

.answer-option {
    padding: 2rem;
    border: 3px solid #e9ecef;
    border-radius: 1rem;
    background: white;
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: center;
}

.answer-option:hover {
    border-color: var(--primary-color);
    transform: translateY(-3px);
    box-shadow: 0 6px 20px var(--primary-shadow);
}

.answer-option.correct {
    border-color: #4caf50;
    background: rgba(76, 175, 80, 0.1);
}

.answer-option.incorrect {
    border-color: #f44336;
    background: rgba(244, 67, 54, 0.1);
}

.answer-option.disabled {
    pointer-events: none;
    opacity: 0.6;
}

.next-btn {
    display: none;
    margin: 0 auto;
    padding: 1rem 3rem;
    font-size: 1.2rem;
    font-weight: 700;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 3rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.next-btn.show {
    display: block;
}

.next-btn:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px var(--btn-shadow);
}

@keyframes flash-correct {
    0%, 100% {
        background-color: transparent;
        border-color: transparent;
    }
    50% {
        background-color: rgba(76, 175, 80, 0.2);
        border: 3px solid #4caf50;
    }
}

@keyframes flash-wrong {
    0%, 100% {
        background-color: transparent;
        border-color: transparent;
    }
    50% {
        background-color: rgba(244, 67, 54, 0.2);
        border: 3px solid #f44336;
    }
}

.content-card.flash-correct {
    animation: flash-correct 0.6s ease;
}

.content-card.flash-wrong {
    animation: flash-wrong 0.6s ease;
}

/* Clickable steps */
.step.clickable {
    cursor: pointer;
    transition: all 0.3s ease;
}

.step.clickable:hover {
    transform: scale(1.05);
}

.step.clickable:hover .step-circle {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
}

/* Locked steps (non-clickable) */
.step.locked {
    cursor: not-allowed;
    opacity: 0.5;
}

.step.locked:hover {
    transform: none;
}

/* Force stat cards to stay on one row with equal widths */
.game-stats {
    display: flex !important;
    flex-wrap: nowrap !important;
    gap: 1rem;
}

.stat-card {
    flex: 1;
    min-width: 0;
}