/* ========================================
   RULES SECTION - ULTRA COMPACT & ANIMATED
   ======================================== */

.rules-container {
    max-width: 100%;
    margin: 0 auto;
}

.rule-category {
    background: var(--color-bg-card);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-lg);
    padding: clamp(0.6rem, 1vh, 1rem);
    border: 1px solid rgba(255, 255, 255, 0.08);
    margin-bottom: var(--spacing-md);
    transition: all var(--transition-base);
    animation: fadeInUp 0.5s ease forwards;
    opacity: 0;
}

.rule-category:nth-child(1) { animation-delay: 0.08s; }
.rule-category:nth-child(2) { animation-delay: 0.16s; }
.rule-category:nth-child(3) { animation-delay: 0.24s; }
.rule-category:nth-child(4) { animation-delay: 0.32s; }

.rule-category:hover {
    border-color: var(--color-accent-primary);
    box-shadow: var(--shadow-small);
    transform: translateY(-2px);
}

.category-title {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-md);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: inline-block;
}

.rule-item {
    display: flex;
    gap: clamp(0.5rem, 0.8vh, 0.8rem);
    padding: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    background: rgba(0, 217, 255, 0.02);
    border-radius: var(--radius-md);
    border-left: 2px solid var(--color-accent-primary);
    transition: all var(--transition-base);
}

.rule-item:last-child {
    margin-bottom: 0;
}

.rule-item:hover {
    background: rgba(0, 217, 255, 0.06);
    transform: translateX(3px);
}

.rule-number {
    width: 35px;
    height: 35px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    border-radius: var(--radius-md);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-bold);
    flex-shrink: 0;
    box-shadow: var(--glow-primary);
}

.rule-content {
    flex: 1;
}

.rule-content h4 {
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-xs);
    color: var(--color-text-primary);
}

.rule-content p {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    line-height: 1.4;
}

/* Responsive */
@media (max-width: 768px) {
    .rule-category {
        padding: var(--spacing-md);
    }
    
    .rule-item {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .rule-number {
        width: 32px;
        height: 32px;
        font-size: var(--font-size-sm);
    }
}