/* SET YOUR GAME'S COLOR THEME HERE */
:root {
    --primary-color: #28a745;
    --primary-hover: #218838;
    --hero-gradient-start: rgba(40, 167, 69, 0.1);
    --hero-gradient-end: rgba(23, 162, 184, 0.1);
    --section-bg-start: rgba(40, 167, 69, 0.05);
    --section-bg-end: rgba(23, 162, 184, 0.05);
    --primary-shadow: rgba(40, 167, 69, 0.3);
    --feature-shadow: rgba(40, 167, 69, 0.15);
    --focus-shadow: rgba(40, 167, 69, 0.25);
    --mode-shadow: rgba(40, 167, 69, 0.2);
    --btn-shadow: rgba(40, 167, 69, 0.4);
    --summary-bg-start: rgba(40, 167, 69, 0.1);
    --summary-bg-end: rgba(23, 162, 184, 0.05);
    --accordion-icon-filter: invert(48%) sepia(79%) saturate(2476%) hue-rotate(86deg) brightness(90%) contrast(86%);
}

.progress-container {
    width: 100%;
    height: 30px;
    background: #e9ecef;
    border-radius: 15px;
    overflow: hidden;
    margin-bottom: 2rem;
    box-shadow: inset 0 2px 4px rgba(0,0,0,0.1);
}

.progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), #17a2b8);
    transition: width 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 700;
    width: 0%;
}

.game-grid {
    display: grid;
    grid-template-columns: repeat(10, 1fr);
    gap: 0.6rem;
    margin: 2rem 0;
    padding: 1rem;
    background: #f8f9fa;
    border-radius: 1rem;
}

.number-cell {
    aspect-ratio: 1;
    background: white;
    border: 3px solid #dee2e6;
    border-radius: 0.75rem;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.4rem;
    font-weight: 700;
    color: #333;
    cursor: pointer;
    transition: all 0.3s ease;
    user-select: none;
}

.number-cell:hover {
    border-color: var(--primary-color);
    transform: scale(1.05);
    box-shadow: 0 4px 15px var(--primary-shadow);
}

.number-cell.found {
    background: #d4edda;
    border-color: #28a745;
    color: #155724;
    cursor: default;
    pointer-events: none;
}

.number-cell.wrong {
    background: #f8d7da;
    border-color: #dc3545;
    color: #721c24;
    animation: shake 0.5s;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-5px); }
    75% { transform: translateX(5px); }
}

.instructions-text {
    text-align: center;
    font-size: 1.1rem;
    color: #666;
    margin-bottom: 2rem;
}

.instructions-text strong {
    color: var(--primary-color);
    font-size: 1.3rem;
}

.review-numbers {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    justify-content: center;
}

.review-number {
    width: 60px;
    height: 60px;
    background: white;
    border: 2px solid #dee2e6;
    border-radius: 0.5rem;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.3rem;
    font-weight: 700;
}

.review-number.correct {
    border-color: #28a745;
    background: #d4edda;
    color: #155724;
}

.review-number.incorrect {
    border-color: #dc3545;
    background: #f8d7da;
    color: #721c24;
}

@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;
}

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

.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;
}